/* ===== ORBIT COSMIC CARD SYSTEM ===== */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Cosmic Theme */
    --primary-orange: #d35222;
    --dark-blue: #26272b;
    --dim-grey: #a39d9c;
    --deep-space: #0a0a0a;
    --space-blue: #1a1a1a;
    --white: #ffffff;
    --light-grey: #f5f5f5;
    
    /* Card Colors - Elegant Dark Theme */
    --card-bg: #1a1b1f;
    --card-border: #2a2b2f;
    --card-border-hover: #3a3b3f;
    --card-shadow: rgba(0, 0, 0, 0.3);
    
    /* Typography */
    --font-display: 'Archivo Black', 'Anton', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-system: -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Card Dimensions */
    --card-width: 400px;
    --card-height: 300px;
    --card-border-radius: 24px;
    --card-border-width: 3px;
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* Base Styles */
body {
    font-family: var(--font-mono);
    font-weight: 300;
    background-color: var(--deep-space);
    color: var(--white);
    height: 100vh;
    overflow: hidden;
    line-height: 1.5;
    font-size: 14px;
}

/* App Container */
.app-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* ===== ANIMATED BACKGROUND ===== */
.background-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-orange);
    padding: 8px var(--space-xl) 8px var(--space-xl);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
}

.logo {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    color: var(--primary-orange);
    letter-spacing: 0.05em;
    text-shadow: 0 0 20px rgba(211, 82, 34, 0.3);
    margin: -8px 0 0 0;
    line-height: 1;
}

.logo-svg {
    height: clamp(36px, 5vw, 56px);
    width: auto;
    filter: drop-shadow(0 0 20px rgba(211, 82, 34, 0.3));
    transition: all 0.3s ease;
}

.header-subtitle {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--dim-grey);
    margin-left: var(--space-lg);
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.provider-select {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 12px;
    color: var(--white);
    padding: var(--space-sm) var(--space-md);
    padding-right: var(--space-xl); /* Make room for custom arrow */
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 400;
    transition: var(--transition-fast);
    cursor: pointer !important; /* Override canvas grab cursor */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a39d9c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
}

.provider-select:focus,
.provider-select:hover {
    border-color: var(--card-border-hover);
    background-color: rgba(28, 29, 33, 0.8);
    outline: none;
}

.provider-select:focus {
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 2px rgba(211, 82, 34, 0.1);
}

/* Custom dropdown options styling (limited browser support) */
.provider-select option {
    background: var(--card-bg);
    color: var(--white);
    padding: var(--space-sm);
}

.icon-btn {
    background: rgba(38, 39, 43, 0.9);
    border: 2px solid var(--dim-grey);
    border-radius: 50%;
    color: var(--white);
    width: 44px;
    height: 44px;
    cursor: pointer !important; /* Override canvas grab cursor */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 16px;
}

.icon-btn:hover {
    border-color: var(--primary-orange);
    background: rgba(211, 82, 34, 0.1);
    transform: scale(1.05);
}

/* ===== CANVAS SYSTEM ===== */
.canvas-viewport {
    position: fixed;
    top: 60px; /* Below header */
    left: 0;
    right: 0;
    bottom: 0; /* Fill whole screen - floating input will float above */
    overflow: hidden;
    cursor: grab;
    z-index: 10;
}

.canvas-viewport:active {
    cursor: grabbing;
}

.canvas {
    position: relative;
    width: 100%;
    height: 100%;
    transform-origin: 0 0;
    transition: transform var(--transition-slow) ease-out;
}

.canvas-edges {
    /* CARD-SPACE POSITIONING: Same coordinate space as cards */
    pointer-events: none;
    z-index: 1; /* Below cards but above background */
    overflow: visible;
}

/* Edge line styling for smooth curved connections */
.edge-line {
    transition: stroke-opacity 0.3s ease, stroke-width 0.2s ease;
}

.edge-line:hover {
    stroke-opacity: 0.9;
    stroke-width: 3;
}

/* Arrow head styling */
.edge-arrow {
    transition: opacity 0.3s ease;
}

.edge-line:hover + .edge-arrow {
    opacity: 0.9;
}

/* ===== CARD SYSTEM ===== */
.card {
    position: absolute;
    width: var(--card-width);
    height: var(--card-height);
    background: linear-gradient(135deg, var(--card-bg) 0%, #1c1d21 100%);
    border: var(--card-border-width) solid var(--card-border);
    border-radius: var(--card-border-radius);
    padding: var(--space-lg);
    cursor: default; /* Allow text selection */
    /* CRITICAL FIX: Exclude transform from transitions to prevent position animation flash */
    transition: background var(--transition-medium), border var(--transition-medium), 
                border-radius var(--transition-medium), box-shadow var(--transition-medium),
                width var(--transition-medium), height var(--transition-medium);
    box-shadow: 
        0 8px 32px var(--card-shadow),
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.card:hover {
    /* CRITICAL FIX: Use separate transform for hover - JS position uses primary transform */
    /* Instead of transform, use a subtle box-shadow/scale effect */
    box-shadow: 
        0 12px 48px rgba(0, 0, 0, 0.5),
        0 4px 16px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    border-color: var(--card-border-hover);
    background: linear-gradient(135deg, #1c1d21 0%, #1e1f23 100%);
}

/* Card drag handle */
.card-drag-handle {
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px; /* Back to original size for better centering */
    height: 8px; /* Back to original size for better centering */
    cursor: grab;
    opacity: 0;
    transition: opacity 0.2s ease-out;
    z-index: 2;
    /* Remove background and padding for clean look */
    border-radius: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card:hover .card-drag-handle {
    opacity: 0.6;
}

.card-drag-handle:hover {
    opacity: 1 !important;
}

.card-drag-handle:active {
    cursor: grabbing;
}

.drag-grip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2px;
    width: 18px; /* Fixed width for perfect centering */
    height: 6px;  /* Fixed height for perfect centering */
}

.grip-dot {
    width: 1.5px;
    height: 1.5px;
    background: var(--dim-grey);
    border-radius: 50%;
    transition: all 0.2s ease-out;
    justify-self: center;
    align-self: center;
}

.card-drag-handle:hover .grip-dot {
    background: var(--primary-orange);
    transform: scale(1.2);
}

/* Card dragging state - visual feedback during drag */
.card.dragging {
    z-index: 1000;
    transform-origin: center;
    transition: none !important; /* Remove transitions during drag for responsive feel */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(211, 82, 34, 0.3);
    border-color: var(--primary-orange);
}

.card.dragging .card-drag-handle {
    opacity: 1;
}

/* Apple Vision Pro style resize handle */
.card-resize-handle {
    position: absolute;
    bottom: -12px; /* Half outside the card */
    right: -12px;  /* Half outside the card */
    width: 24px;
    height: 24px;
    cursor: nw-resize;
    opacity: 0;
    transition: all 0.3s ease-out;
    z-index: 2;
    overflow: visible; /* Allow handle to extend outside */
}

.card:hover .card-resize-handle {
    opacity: 0.4;
}

.card-resize-handle:hover {
    opacity: 1 !important;
    transform: scale(1.1);
}

/* Resize corner SVG styling - positioned outside card */
.resize-corner-svg {
    width: 24px;
    height: 24px;
    fill: var(--dim-grey);
    transition: all 0.3s ease-out;
    /* Ensure it's positioned at the actual corner */
    position: relative;
}

.card-resize-handle:hover .resize-corner-svg {
    fill: var(--primary-orange);
    filter: drop-shadow(0 0 8px rgba(211, 82, 34, 0.4));
}

.corner-indicator {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--white) 30%, transparent 30%);
    opacity: 0.3;
    transition: all 0.3s ease-out;
}

.card-resize-handle:hover .corner-indicator {
    opacity: 0.8;
    transform: scale(1.2);
    background: radial-gradient(circle, var(--white) 30%, transparent 30%);
}

/* Message State Classes */
.card.sending {
    opacity: 0.8;
    border-color: var(--dim-grey);
}

.card.sending::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 12px;
    height: 12px;
    background: var(--dim-grey);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

.card.confirmed {
    opacity: 0.9;
    border-color: var(--primary-orange);
}

.card.streaming {
    border-color: var(--primary-orange);
    box-shadow: 0 0 20px rgba(211, 82, 34, 0.3);
}

.card.streaming::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 12px;
    height: 12px;
    background: var(--primary-orange);
    border-radius: 50%;
    animation: pulse 1s ease-in-out infinite;
}

.card.complete {
    opacity: 1;
    border-color: var(--card-border-hover);
}

.card.failed {
    opacity: 0.6;
    border-color: #ff4444;
    background-color: rgba(255, 68, 68, 0.05);
}

.card.failed::after {
    content: '!';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 16px;
    height: 16px;
    background: #ff4444;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: bold;
}

.card.failed .card-footer {
    border-top: 1px solid rgba(255, 68, 68, 0.3);
}

/* Message State Indicators for Messages */
.message.sending,
.chat-message.sending {
    opacity: 0.7;
}

.message.streaming,
.chat-message.streaming {
    /* Orange edge removed - keeping only the circle indicator */
}

/* Orange dot indicator for streaming modal messages */
.chat-message.streaming .chat-message-content::after {
    content: '●';
    display: inline-block;
    animation: pulse 1.5s infinite;
    margin-left: var(--space-xs);
    color: var(--primary-orange);
    font-size: 20px; /* Larger for modal to match text size */
}

.message.failed,
.chat-message.failed {
    opacity: 0.6;
    background-color: rgba(255, 68, 68, 0.05);
    border-left: 3px solid #ff4444;
}

/* Failure Action Buttons */
.failure-actions {
    margin-top: 8px;
    padding: 8px;
    background-color: rgba(255, 68, 68, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 68, 68, 0.3);
}

.failure-message,
.failure-text {
    font-size: 12px;
    color: #ff4444;
    margin-bottom: 6px;
}

.retry-btn,
.remove-btn,
.retry-card-btn,
.remove-card-btn {
    background: transparent;
    border: 1px solid #ff4444;
    color: #ff4444;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer !important; /* Override canvas grab cursor */
    margin-right: 6px;
    transition: all 0.2s ease;
}

.retry-btn:hover,
.retry-card-btn:hover {
    background: #ff4444;
    color: white;
}

.remove-btn:hover,
.remove-card-btn:hover {
    background: rgba(255, 68, 68, 0.1);
    border-color: #cc3333;
}

.card-failure-actions {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 68, 68, 0.3);
}

/* Pulse animation for loading states */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.9);
    }
}

/* Node State Classes (parallel to message states) */
.card.creating {
    opacity: 0.8;
    border-color: var(--dim-grey);
}

.card.creating::before {
    content: 'Creating branch...';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 10px;
    color: var(--dim-grey);
    background: rgba(26, 27, 31, 0.9);
    padding: 2px 6px;
    border-radius: 4px;
    z-index: 1;
}

.card.confirmed {
    /* Normal appearance - branch node created successfully */
    opacity: 1;
}

/* Removed duplicate .card.active styling - now handled in the later section with full styling */

.card.failed {
    opacity: 0.7;
    border-color: #ff4444;
    background-color: rgba(255, 68, 68, 0.05);
}

.card.failed::before {
    content: 'Branch creation failed';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 10px;
    color: #ff4444;
    background: rgba(26, 27, 31, 0.9);
    padding: 2px 6px;
    border-radius: 4px;
    z-index: 1;
}

/* Node failure recovery UI */
.node-failure-actions {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    padding: 8px;
    background: rgba(255, 68, 68, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 68, 68, 0.3);
    z-index: 2;
}

.node-failure-actions .failure-text {
    font-size: 12px;
    color: #ff4444;
    margin-bottom: 6px;
    text-align: center;
}

.node-failure-actions button {
    margin-right: 8px;
    padding: 4px 8px;
    border: 1px solid #ff4444;
    background: transparent;
    color: #ff4444;
    border-radius: 4px;
    cursor: pointer !important; /* Override canvas grab cursor */
    font-size: 11px;
    transition: all 0.2s ease;
}

.node-failure-actions button:last-child {
    margin-right: 0;
}

.node-failure-actions button:hover {
    background: #ff4444;
    color: white;
}


.card.active {
    border: var(--card-border-width) solid var(--primary-orange) !important;
    box-shadow: 
        0 8px 32px var(--card-shadow),
        0 2px 8px rgba(0, 0, 0, 0.2),
        0 0 12px rgba(211, 82, 34, 0.3);
    transform: translateZ(0) scale(1.02);
    z-index: 10; /* Ensure selected card is above others */
}

/* Card Border Decoration */
.card-border {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: var(--card-border-radius);
    pointer-events: none;
}

.orbital-dots {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--card-border-radius);
    pointer-events: none;
}

.orbital-dots::before,
.orbital-dots::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--dim-grey);
    border-radius: 50%;
    opacity: 0.15;
}

.orbital-dots::before {
    top: -2px;
    left: 20%;
    animation: orbit-dot 8s linear infinite;
}

.orbital-dots::after {
    bottom: -2px;
    right: 30%;
    animation: orbit-dot 12s linear infinite reverse;
}

@keyframes orbit-dot {
    0% { transform: rotate(0deg) translateX(20px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(20px) rotate(-360deg); }
}

/* Card Header */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
}

.card-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    flex: 1;
}

.card-badge {
    background: rgba(211, 82, 34, 0.2);
    border: 1px solid var(--primary-orange);
    border-radius: 12px;
    padding: var(--space-xs) var(--space-sm);
    font-size: 10px;
    font-weight: 500;
    color: var(--primary-orange);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Summary Status Indicators */
.card-summary-status {
    padding: 6px 8px;
    background: rgba(163, 157, 156, 0.05);
    border-radius: 6px;
    margin-bottom: var(--space-xs);
}

.summary-indicators {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 9px;
    font-weight: 500;
}

.summary-indicator {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

/* MS Indicator States */
.summary-indicator.ms-indicator {
    background: rgba(139, 211, 34, 0.1);
    color: #8bd322;
    border: 1px solid rgba(139, 211, 34, 0.3);
}

.summary-indicator.ms-indicator.has-summary {
    background: rgba(139, 211, 34, 0.2);
    color: #8bd322;
}

.summary-indicator.ms-indicator.generating {
    background: rgba(211, 82, 34, 0.1);
    color: var(--primary-orange);
    border-color: rgba(211, 82, 34, 0.3);
    animation: pulse 1.5s ease-in-out infinite;
}

/* BS Indicator States */
.summary-indicator.bs-indicator {
    background: rgba(34, 139, 211, 0.1);
    color: #228bd3;
    border: 1px solid rgba(34, 139, 211, 0.3);
}

.summary-indicator.bs-indicator.has-summary {
    background: rgba(34, 139, 211, 0.2);
    color: #228bd3;
}

.summary-indicator.bs-indicator.generating {
    background: rgba(211, 82, 34, 0.1);
    color: var(--primary-orange);
    border-color: rgba(211, 82, 34, 0.3);
    animation: pulse 1.5s ease-in-out infinite;
}

/* Reference Count */
.reference-count {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 2px 6px;
    background: rgba(163, 157, 156, 0.1);
    border: 1px solid rgba(163, 157, 156, 0.2);
    border-radius: 4px;
    color: var(--dim-grey);
    font-size: 9px;
    font-weight: 500;
}

.reference-count.has-references {
    background: rgba(211, 82, 34, 0.1);
    border-color: rgba(211, 82, 34, 0.3);
    color: var(--primary-orange);
}

.reference-text {
    font-weight: 600;
    min-width: 8px;
    text-align: center;
}

.indicator-text {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Card Quote */
.card-quote {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(163, 157, 156, 0.1);
    border-radius: 8px;
    border-left: 3px solid var(--primary-orange);
    margin-bottom: var(--space-sm);
}

.quote-indicator {
    font-size: 12px;
    opacity: 0.7;
    flex-shrink: 0;
}

.quote-text {
    font-size: 12px;
    font-style: italic;
    color: var(--dim-grey);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Card Content */
.card-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    user-select: text; /* Allow text selection */
    cursor: text; /* Show text cursor when hovering over content */
}

/* Collapsed card state - physically smaller and manually resizable */
.card.collapsed,
.card:not(.expanded) {
    /* Remove height: auto !important to allow manual resizing */
    min-height: 240px; /* Smaller minimum height for collapsed state */
}

.card.collapsed .card-content,
.card:not(.expanded) .card-content {
    overflow-y: auto;
    /* Remove fixed max-height to allow content area to grow with card */
    flex: 1; /* Take up available space within the card */
    scrollbar-width: thin;
    scrollbar-color: var(--dim-grey) transparent;
}

/* Expanded card state - auto-grows to accommodate content */
.card.expanded {
    height: auto !important; /* Force auto-height for content fitting */
    min-height: var(--card-height); /* At least default height when expanded */
    transition: width var(--transition-medium), height var(--transition-medium), min-height var(--transition-medium);
}

.card.expanded .card-content {
    overflow-y: visible; /* Allow content to expand fully */
    min-height: 200px; /* Ensure content area has reasonable minimum height */
    scrollbar-width: thin;
    scrollbar-color: var(--dim-grey) transparent;
}

/* Custom scrollbar styling for card content */
.card-content::-webkit-scrollbar {
    width: 8px; /* Slightly wider for better visibility */
}

.card-content::-webkit-scrollbar-track {
    background: rgba(163, 157, 156, 0.1);
    border-radius: 4px;
}

.card-content::-webkit-scrollbar-thumb {
    background: var(--dim-grey);
    border-radius: 4px;
    transition: var(--transition-fast);
    min-height: 20px; /* Ensure minimum thumb size */
}

.card-content::-webkit-scrollbar-thumb:hover {
    background: var(--primary-orange);
}

/* Force scrollbar to always be visible when content overflows */
.card-content {
    scrollbar-gutter: stable; /* Reserve space for scrollbar */
}

/* Expand/Collapse button icon switching - Default state (collapsed) */
.expand-btn .expand-icon {
    display: block; /* Show chevron down by default */
}

.expand-btn .collapse-icon {
    display: none; /* Hide chevron up by default */
}

/* Override for expanded state */
.card.expanded .expand-btn .expand-icon {
    display: none !important; /* Hide chevron down when expanded */
}

.card.expanded .expand-btn .collapse-icon {
    display: block !important; /* Show chevron up when expanded */
}

/* Smooth transition for card resize changes - handled by main .card rule above */

.card-empty {
    color: var(--dim-grey);
    font-style: italic;
    text-align: center;
    padding: var(--space-lg);
    font-size: 12px;
}

.card-message {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    font-size: 12px;
    line-height: 1.4;
    margin-bottom: var(--space-sm);
}

.card-message:last-child {
    margin-bottom: 0;
}

.card-message .message-role {
    font-size: 10px;
    opacity: 0.7;
    flex-shrink: 0;
}

.card-message .message-content {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--white);
}

.card-message.user .message-content {
    color: var(--primary-orange);
}

/* Card message quote styling */
.card-message-quote {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 6px;
    padding: 4px 8px;
    background: rgba(211, 82, 34, 0.08);
    border-left: 2px solid var(--primary-orange);
    border-radius: 4px;
    font-size: 10px;
}

.card-message-quote svg {
    flex-shrink: 0;
    color: var(--primary-orange);
    opacity: 0.8;
}

.card-message-quote .quote-text {
    color: var(--white);
    font-style: italic;
    opacity: 0.9;
    line-height: 1.2;
}

.card-message .message-text {
    color: inherit;
    user-select: text; /* Allow text selection */
    cursor: text; /* Show text cursor when hovering over text */
}

/* Card Footer */
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(163, 157, 156, 0.2);
}

.card-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    font-size: 10px;
    color: var(--dim-grey);
}

.card-actions {
    display: flex;
    gap: var(--space-xs);
}

.card-action-btn {
    background: rgba(163, 157, 156, 0.2);
    border: 1px solid rgba(163, 157, 156, 0.4);
    border-radius: 8px;
    color: var(--white);
    width: 28px;
    height: 28px;
    cursor: pointer !important; /* Override canvas grab cursor */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: var(--transition-fast);
}

.card-action-btn:hover {
    background: rgba(211, 82, 34, 0.2);
    border-color: var(--primary-orange);
    transform: scale(1.1);
}

/* ===== FLOATING INPUT SYSTEM ===== */
.floating-input {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(38, 39, 43, 0.95);
    backdrop-filter: blur(20px);
    border: 2px solid var(--dim-grey);
    border-radius: 24px;
    padding: var(--space-lg);
    min-width: 600px;
    max-width: 800px;
    z-index: 1000;
    box-shadow: 
        0 12px 48px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(211, 82, 34, 0.1);
    transition: var(--transition-medium);
}

/* Modal active state - keep input floating naturally */
.floating-input.modal-connected {
    z-index: 20001;
    /* Remove bottom connection, keep natural floating position */
}

/* Ensure quote stays above modal when input is modal-connected */
.floating-input.modal-connected .selected-quote {
    z-index: 20002;
}

/* Branch Arrow Container - Updated for mode selection with proper spacing */
.branch-arrow-container {
    position: absolute;
    right: -140px;  /* Moved much further right to avoid text input collision */
    top: -20px;
    bottom: -20px;
    width: auto;
    min-width: 35px;
    height: 200px;
    pointer-events: auto;
    z-index: 1001;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.branch-arrow-container.visible {
    opacity: 0.7;
}

.branch-arrow-container:hover {
    opacity: 1;
}

/* Branch Arrow - Updated positioning */
.branch-arrow {
    width: 35px;
    height: 200px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.branch-arrow:hover {
    transform: scale(1.05);
}

.branch-arrow-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 1px 4px rgba(255, 255, 255, 0.1));
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.branch-arrow:hover .branch-arrow-svg path {
    stroke: var(--primary-orange);
}

.branch-arrow:hover .branch-arrow-svg {
    filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.3));
}

/* Animation for arrow appearance */
@keyframes branch-arrow-appear {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 0.7;
        transform: scale(1);
    }
}

.branch-arrow.animate-in {
    animation: branch-arrow-appear 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Branch Mode Selection - Dramatic fly-out animation with pure text */
.branch-modes {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-left: 20px;  /* More space from arrow */
    z-index: 1002;
}

.branch-mode,
.branch-mode-edit {
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer !important; /* Override canvas grab cursor */
    white-space: nowrap;
    user-select: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateX(-30px) scale(0.8);
    pointer-events: none;
}

.branch-mode:hover,
.branch-mode-edit:hover {
    color: var(--primary-orange);
    transform: translateX(0) scale(1.05);
}

.branch-mode-edit {
    font-size: 16px;
    color: var(--dim-grey);
    text-align: center;
    width: 20px;
}

.branch-mode-edit:hover {
    color: var(--card-border-hover);
}

/* Dramatic fly-out animations - one by one (supports up to 5 modes) */
.branch-arrow-container:hover .branch-mode:nth-child(1) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s forwards;
}

.branch-arrow-container:hover .branch-mode:nth-child(2) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards;
}

.branch-arrow-container:hover .branch-mode:nth-child(3) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}

.branch-arrow-container:hover .branch-mode:nth-child(4) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.4s forwards;
}

.branch-arrow-container:hover .branch-mode:nth-child(5) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.5s forwards;
}

.branch-arrow-container:hover .branch-mode-edit {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards;
}

/* Tutorial-specific hover state - matches all :hover styles above */
.branch-arrow-container.tutorial-hover-active {
    opacity: 1;
}

.branch-arrow-container.tutorial-hover-active .branch-mode:nth-child(1) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s forwards;
}

.branch-arrow-container.tutorial-hover-active .branch-mode:nth-child(2) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards;
}

.branch-arrow-container.tutorial-hover-active .branch-mode:nth-child(3) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}

.branch-arrow-container.tutorial-hover-active .branch-mode:nth-child(4) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.4s forwards;
}

.branch-arrow-container.tutorial-hover-active .branch-mode:nth-child(5) {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.5s forwards;
}

.branch-arrow-container.tutorial-hover-active .branch-mode-edit {
    animation: fly-out-text 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards;
}

@keyframes fly-out-text {
    0% {
        opacity: 0;
        transform: translateX(-30px) scale(0.8);
        pointer-events: none;
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
        pointer-events: auto;
    }
}

.floating-input:focus-within {
    border-color: var(--primary-orange);
    box-shadow: 
        0 12px 48px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(211, 82, 34, 0.2);
}

.input-context {
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative; /* For tooltip positioning */
}

.context-label {
    font-size: 11px;
    color: var(--dim-grey);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* Context Mode Selector */
.context-mode-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.context-mode-select {
    background: rgba(163, 157, 156, 0.1);
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 12px;
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    padding: 4px 8px;
    min-width: 90px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: var(--transition-medium);
}

.context-mode-select:hover {
    border-color: rgba(211, 82, 34, 0.5);
    background: rgba(211, 82, 34, 0.1);
}

.context-mode-select:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 2px rgba(211, 82, 34, 0.2);
}

.context-mode-select option {
    background: var(--dark-blue);
    color: var(--white);
}

.context-customize-btn {
    background: transparent;
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 8px;
    color: var(--dim-grey);
    padding: 4px;
    cursor: pointer !important; /* Override canvas grab cursor */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-medium);
}

.context-customize-btn:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
    background: rgba(211, 82, 34, 0.1);
}

.context-customize-btn:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 2px rgba(211, 82, 34, 0.2);
}

/* Mode-specific styling */
.context-mode-selector.mode-deep-dive .context-mode-select {
    border-color: rgba(34, 139, 211, 0.5);
}

.context-mode-selector.mode-side-quest .context-mode-select {
    border-color: rgba(139, 211, 34, 0.5);  
}

.context-mode-selector.mode-custom .context-mode-select {
    border-color: rgba(211, 139, 34, 0.5);
}

/* Context Preview Tooltip */
.context-preview-tooltip {
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    transform: translateY(-100%);
    background: rgba(38, 39, 43, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 12px;
    padding: var(--space-md);
    max-width: 400px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(211, 82, 34, 0.1);
    z-index: 1003;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-medium);
    font-family: var(--font-mono);
    font-size: 12px;
}

.context-preview-tooltip.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(calc(-100% - 8px));
}

.context-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid rgba(163, 157, 156, 0.2);
}

.context-preview-title {
    color: var(--white);
    font-weight: 500;
}

.context-preview-tokens {
    color: var(--dim-grey);
    font-size: 11px;
}

.context-preview-content {
    color: var(--dim-grey);
    line-height: 1.4;
    max-height: 200px;
    overflow-y: auto;
}

.context-preview-item {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
    padding: 2px 0;
}

.context-preview-icon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.context-preview-icon.verbatim {
    background: rgba(34, 139, 211, 0.7);
}

.context-preview-icon.summary {
    background: rgba(139, 211, 34, 0.7);
}

.context-preview-icon.excluded {
    background: rgba(163, 157, 156, 0.3);
}

.context-preview-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.input-container {
    display: flex;
    align-items: flex-end;
    gap: var(--space-md);
}

.message-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    resize: none;
    max-height: 180px; /* Increased for more lines */
    min-height: 24px;
    outline: none;
    padding: var(--space-xs) 0;
    overflow-y: hidden; /* Hide scrollbar initially */
    scrollbar-width: thin; /* Firefox */
    scrollbar-color: var(--dim-grey) transparent; /* Firefox */
}

/* Custom scrollbar for floating input */
.message-input::-webkit-scrollbar {
    width: 6px;
    background: transparent;
}

.message-input::-webkit-scrollbar-track {
    background: transparent !important;
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.message-input::-webkit-scrollbar-track-piece {
    background: transparent !important;
}

.message-input::-webkit-scrollbar-thumb {
    background: rgba(163, 157, 156, 0.6);
    border-radius: 3px;
    border: none;
    box-shadow: none;
}

.message-input::-webkit-scrollbar-thumb:hover {
    background: rgba(138, 132, 129, 0.8);
}

.message-input::-webkit-scrollbar-corner {
    background: transparent;
}

.message-input.has-overflow {
    overflow-y: auto;
}

.message-input::placeholder {
    color: var(--dim-grey);
    opacity: 0.7;
}

.send-btn {
    background: var(--primary-orange);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer !important; /* Override canvas grab cursor */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

.send-btn:hover:not(:disabled) {
    background: #b8441c;
    transform: scale(1.05);
}

.send-btn:disabled {
    background: var(--dim-grey);
    cursor: not-allowed;
    opacity: 0.5;
}

/* Send button stays simple - no more split mode */

/* Normal send icon - always visible */
.send-btn .send-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: scale(1);
}

/* Send spinner - shown during streaming */
.send-btn .send-spinner {
    position: absolute;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.send-btn.streaming .send-spinner {
    opacity: 1;
    transform: scale(1);
}

/* During streaming, gray out send button but keep visible */
.send-btn.streaming .send-icon {
    opacity: 0.6;
    transform: scale(1);
    pointer-events: none;
}

.send-btn.streaming {
    background: var(--dim-grey);
    cursor: not-allowed;
}

/* Orbit loader replaces the basic spinner */

/* Context Customize Button */
.context-customize-btn {
    background: rgba(163, 157, 156, 0.1);
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 6px;
    width: 24px;
    height: 24px;
    cursor: pointer !important; /* Override canvas grab cursor */
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 var(--space-xs) auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--dim-grey);
    font-size: 12px;
    position: relative;
    z-index: 10;
}

.context-customize-btn:hover {
    background: rgba(163, 157, 156, 0.2);
    border-color: rgba(163, 157, 156, 0.5);
    color: white;
    transform: scale(1.05);
}

/* Active custom context state */
.context-customize-btn.active-custom-context {
    background: rgba(211, 82, 34, 0.2);
    border-color: var(--primary-orange);
    color: var(--primary-orange);
    box-shadow: 0 0 8px rgba(211, 82, 34, 0.3);
}

.context-customize-btn.active-custom-context:hover {
    background: rgba(211, 82, 34, 0.3);
    border-color: var(--primary-orange);
    color: white;
    box-shadow: 0 0 12px rgba(211, 82, 34, 0.5);
}

.context-customize-btn svg {
    width: 16px;
    height: 16px;
}

/* Button divider */
.btn-divider {
    width: 1px;
    height: 20px;
    background: var(--card-border);
    opacity: 0.5;
    margin: 0 2px;
}

/* Context Header Preview */
.context-header-preview {
    margin-top: var(--space-md);
    padding: var(--space-sm);
    background: rgba(38, 39, 43, 0.8);
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.context-header-title {
    color: var(--primary-orange);
    font-size: 12px;
    font-weight: 600;
    margin: 0 0 var(--space-xs) 0;
    text-transform: uppercase;
}

.context-header-content {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    line-height: 1.4;
    color: var(--dim-grey);
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    background: rgba(0, 0, 0, 0.3);
    padding: var(--space-xs);
    border-radius: 4px;
    border: 1px solid rgba(163, 157, 156, 0.2);
}

/* Card entrance animation */
.card.entering {
    animation: card-zoom-in 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes card-zoom-in {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.send-icon {
    color: var(--white);
    width: 18px;
    height: 18px;
}

/* Selected Quote in Input */
.selected-quote {
    position: absolute;
    bottom: calc(100% + var(--space-sm));
    left: 0;
    right: 0;
    background: rgba(38, 39, 43, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(211, 82, 34, 0.3);
    border-radius: 12px;
    padding: var(--space-md);
    border-left: 4px solid var(--primary-orange);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(211, 82, 34, 0.1);
    z-index: 1001; /* Above floating-input */
    transform: translateY(0);
    opacity: 1;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.selected-quote[style*="display: none"] {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}

.quote-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.quote-label {
    font-size: 11px;
    color: var(--dim-grey);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.quote-close {
    background: none;
    border: none;
    color: var(--dim-grey);
    font-size: 18px;
    cursor: pointer !important; /* Override canvas grab cursor */
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.quote-close:hover {
    background: rgba(211, 82, 34, 0.2);
    color: var(--white);
}

.selected-quote .quote-text {
    font-size: 13px;
    line-height: 1.4;
    color: var(--white);
    margin-bottom: var(--space-md);
    font-style: italic;
    padding-left: var(--space-md);
    border-left: 2px solid var(--primary-orange);
}

.quote-actions {
    display: flex;
    gap: var(--space-sm);
}

.quote-action {
    background: rgba(163, 157, 156, 0.2);
    border: 1px solid rgba(163, 157, 156, 0.4);
    color: var(--white);
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: var(--transition-fast);
    font-family: var(--font-mono);
}

.quote-action:hover {
    background: rgba(163, 157, 156, 0.3);
    border-color: var(--dim-grey);
}

.quote-action.primary {
    background: var(--primary-orange);
    border-color: var(--primary-orange);
    color: var(--white);
}

.quote-action.primary:hover {
    background: #b8441c;
}

/* ===== NAVIGATION SYSTEM ===== */
.minimap {
    position: fixed;
    top: 120px;
    right: var(--space-xl);
    width: 280px;
    max-height: 60vh;
    background: rgba(38, 39, 43, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid var(--dim-grey);
    border-radius: 16px;
    overflow: hidden;
    z-index: 1000;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.minimap:hover {
    border-color: var(--primary-orange);
}

/* Navigation Header */
.navigation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid var(--dim-grey);
    background: rgba(0, 0, 0, 0.2);
}

.navigation-title {
    font-size: 11px;
    color: var(--dim-grey);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* Navigation controls container */
.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-collapse-btn,
.nav-refresh-btn,
.nav-panel-collapse {
    background: none;
    border: none;
    color: var(--dim-grey);
    cursor: pointer !important; /* Override canvas grab cursor */
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-collapse-btn:hover,
.nav-refresh-btn:hover,
.nav-panel-collapse:hover {
    color: var(--primary-orange);
    background: rgba(211, 82, 34, 0.1);
}

/* Special styling for the panel collapse button */
.nav-panel-collapse {
    border-left: 1px solid var(--dim-grey);
    padding-left: var(--space-xs);
    margin-left: var(--space-xs);
}

/* Navigation Tree */
.navigation-tree {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
    max-height: calc(60vh - 60px);
}

.navigation-tree::-webkit-scrollbar {
    width: 4px;
}

.navigation-tree::-webkit-scrollbar-thumb {
    background: var(--dim-grey);
    border-radius: 2px;
}

.nav-empty {
    color: var(--dim-grey);
    font-size: 12px;
    text-align: center;
    padding: var(--space-lg);
    font-style: italic;
}

/* Navigation Nodes */
.nav-node-container {
    margin-bottom: 2px;
}

.nav-node {
    position: relative;
}

.nav-node-content {
    display: flex;
    align-items: center;
    padding: 6px 8px;
    border-radius: 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: var(--transition-fast);
    min-height: 28px;
}

.nav-node-content:hover {
    background: rgba(211, 82, 34, 0.1);
}

.nav-node.active .nav-node-content {
    background: rgba(211, 82, 34, 0.2);
    border: 1px solid var(--primary-orange);
}

.nav-expand-btn {
    background: none;
    border: none;
    color: var(--dim-grey);
    cursor: pointer !important; /* Override canvas grab cursor */
    padding: 2px;
    margin-right: 4px;
    border-radius: 4px;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
}

.nav-expand-btn:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-expand-btn.expanded svg {
    transform: rotate(180deg);
}

.nav-spacer {
    width: 16px;
    height: 16px;
    margin-right: 4px;
}

.nav-node-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    color: var(--primary-orange);
}

.nav-node-label {
    flex: 1;
    font-size: 12px;
    color: var(--white);
    font-weight: 400;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-node.active .nav-node-label {
    font-weight: 500;
}

.nav-node-stats {
    font-size: 10px;
    color: var(--dim-grey);
    background: rgba(163, 157, 156, 0.2);
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
}

/* Navigation Children */
.nav-children {
    margin-left: 16px;
    border-left: 1px solid rgba(163, 157, 156, 0.2);
}

/* Hidden minimap */
.minimap.hidden {
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
}

/* Navigation toggle button active state */
.canvas-control-btn.navigation-hidden {
    background: var(--card-bg);
    border-color: var(--card-border-hover);
}

/* ===== CANVAS CONTROLS ===== */
.canvas-controls {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: 1000;
}

.canvas-control-btn {
    background: rgba(38, 39, 43, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid var(--dim-grey);
    border-radius: 50%;
    color: var(--white);
    width: 44px;
    height: 44px;
    cursor: pointer !important; /* Override canvas grab cursor */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.canvas-control-btn:hover {
    border-color: var(--primary-orange);
    background: rgba(211, 82, 34, 0.1);
    transform: scale(1.05);
}

/* ===== SEND BUTTON ORBIT LOADER ===== */
.orbit-loader {
    position: relative;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Central pulsing core */
.orbit-center {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-orange);
    border-radius: 50%;
    animation: orbitCorePulse 1.5s ease-in-out infinite;
    box-shadow: 0 0 6px rgba(211, 82, 34, 0.6);
}

/* Orbital particles */
.orbit-loader .orbit-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--white);
    border-radius: 50%;
    opacity: 0.8;
}

.orbit-loader .orbit-particle:nth-child(2) {
    animation: orbitParticle1 1.2s linear infinite;
}

.orbit-loader .orbit-particle:nth-child(3) {
    animation: orbitParticle2 1.6s linear infinite reverse;
    background: var(--dim-grey);
    animation-delay: -0.4s;
}

.orbit-loader .orbit-particle:nth-child(4) {
    animation: orbitParticle3 2s linear infinite;
    background: var(--primary-orange);
    animation-delay: -0.8s;
}

/* Keyframe Animations for Compact Loader */
@keyframes orbitCorePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 6px rgba(211, 82, 34, 0.6);
    }
    50% {
        transform: scale(1.3);
        box-shadow: 0 0 10px rgba(211, 82, 34, 0.8);
    }
}

@keyframes orbitParticle1 {
    from { transform: rotate(0deg) translateX(8px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(8px) rotate(-360deg); }
}

@keyframes orbitParticle2 {
    from { transform: rotate(0deg) translateX(6px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(6px) rotate(-360deg); }
}

@keyframes orbitParticle3 {
    from { transform: rotate(0deg) translateX(10px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(10px) rotate(-360deg); }
}

/* ===== SELECTION TOOLTIP ===== */
.selection-tooltip {
    position: absolute;
    background: rgba(38, 39, 43, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary-orange);
    border-radius: 12px;
    padding: var(--space-sm);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    display: flex;
    gap: var(--space-sm);
    z-index: 10000;
}

.tooltip-btn {
    background: var(--primary-orange);
    border: none;
    color: var(--white);
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    font-size: 12px;
    font-family: var(--font-mono);
    font-weight: 500;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: var(--transition-fast);
}

.tooltip-btn:hover {
    background: #b8441c;
    transform: scale(1.05);
}

.tooltip-btn.secondary {
    background: rgba(163, 157, 156, 0.3);
    border: 1px solid var(--dim-grey);
}

.tooltip-btn.secondary:hover {
    background: rgba(163, 157, 156, 0.5);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from { 
        opacity: 0; 
    }
    to { 
        opacity: 1; 
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.card {
    animation: slideInUp 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .minimap {
        display: none;
    }
    
    .canvas-controls {
        right: var(--space-md);
    }
    
    .floating-input {
        min-width: 500px;
        left: var(--space-md);
        right: var(--space-md);
        transform: none;
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--space-md);
    }
    
    .header-subtitle {
        display: none;
    }
    
    .logo {
        font-size: 40px;
    }
    
    .floating-input {
        min-width: auto;
        left: var(--space-sm);
        right: var(--space-sm);
        padding: var(--space-md);
    }
    
    .canvas-viewport {
        top: 80px;
        bottom: 0; /* Fill whole screen on mobile too */
    }
    
    :root {
        --card-width: 300px;
        --card-height: 240px;
    }
}

@media (max-width: 480px) {
    .header-controls {
        gap: var(--space-sm);
    }
    
    .provider-select {
        font-size: 10px;
        padding: var(--space-xs) var(--space-sm);
    }
    
    .icon-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .floating-input {
        bottom: var(--space-md);
    }
    
    .canvas-controls {
        bottom: var(--space-md);
        right: var(--space-md);
    }
}

/* ===== UTILITIES ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.no-select {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.pointer-events-none {
    pointer-events: none;
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    :root {
        --primary-orange: #ff6b35;
        --dim-grey: #c0c0c0;
    }
    
    .card {
        border-width: 4px;
    }
    
    .floating-input {
        border-width: 3px;
    }
}

/* ===== CARD CHAT INTERFACES ===== */

/* Full chat interface for focused cards */
.card-chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin: var(--space-md) 0;
}

.card-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
    gap: var(--space-sm);
    display: flex;
    flex-direction: column;
    scrollbar-width: thin;
    scrollbar-color: var(--dim-grey) transparent;
}

.card-messages::-webkit-scrollbar {
    width: 6px;
}

.card-messages::-webkit-scrollbar-track {
    background: transparent;
}

.card-messages::-webkit-scrollbar-thumb {
    background: var(--dim-grey);
    border-radius: 3px;
}

.card-messages::-webkit-scrollbar-thumb:hover {
    background: var(--primary-orange);
}

/* Message styles within cards */
.card .message {
    margin-bottom: var(--space-sm);
    padding: 0;
    border-radius: 0;
    max-width: 100%;
    word-wrap: break-word;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
}

.card .message.user {
    background-color: transparent;
    color: #d35222;
    align-self: flex-start;
    margin-left: 0;
    padding: 0;
    border-radius: none;
    max-width: 100%;
}

.card .message.assistant {
    background-color: transparent;
    color: var(--white);
    border: none;
    align-self: flex-start;
    padding: 0;
    margin-bottom: var(--space-lg);
    max-width: 100%;
}

.card .message.system-error {
    background-color: #ff6b6b;
    color: var(--white);
    align-self: center;
    margin: var(--space-sm) auto;
    text-align: center;
    font-size: 0.8rem;
}

.card .message.streaming {
    opacity: 0.8;
    position: relative;
}

.card .message.streaming::after {
    content: '●';
    display: inline-block;
    animation: pulse 1.5s infinite;
    margin-left: var(--space-xs);
    color: var(--primary-orange);
    font-size: 10px; /* Smaller for card previews */
}

/* Simple streaming indicator - appears at end of conversation */
.simple-streaming-indicator::after {
    content: '●';
    display: inline-block;
    animation: pulse 1.5s infinite;
    color: var(--primary-orange);
    font-size: 20px; /* Modal size by default */
}

.simple-streaming-indicator.card-size::after {
    font-size: 10px; /* Smaller for card previews */
}

.simple-streaming-indicator {
    margin: var(--space-xs) 0;
    min-height: 1em;
}

/* Preview messages for unfocused cards */
.preview-messages {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.preview-messages .message {
    padding: var(--space-xs) var(--space-sm);
    border-radius: 8px;
    font-size: 0.75rem;
    margin-bottom: var(--space-xs);
}


/* Main card styling - subtle distinction */
.card.is-main {
    border-color: var(--card-border-hover);
    box-shadow: 0 0 15px rgba(58, 59, 63, 0.4);
}

.card.is-main .card-badge {
    background-color: var(--card-border-hover);
    color: var(--white);
    font-weight: 500;
}

/* Main button styling */
.card-action-btn.main-btn {
    background-color: var(--dim-grey);
    transition: all var(--transition-fast);
}

.card.is-main .card-action-btn.main-btn {
    background-color: var(--primary-orange);
    color: var(--white);
}

.card-action-btn.main-btn:hover {
    background-color: var(--primary-orange);
    color: var(--white);
}

/* Responsive adjustments for chat */
@media (max-width: 768px) {
    
    .card .message {
        font-size: 0.8rem;
        padding: var(--space-xs) var(--space-sm);
        max-width: 90%;
    }
    
    .card-messages {
        padding: var(--space-xs);
    }
}

/* ===== CHAT MODAL OVERLAY ===== */
.chat-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-out;
}

.chat-modal.active {
    opacity: 1;
    visibility: visible;
}

.chat-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.chat-modal-container {
    position: relative;
    width: 100%;
    height: calc(100vh - var(--floating-input-height, 120px));
    max-width: 800px;
    background: var(--deep-space);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease-out, height 0.3s ease-out;
}

.chat-modal.active .chat-modal-container {
    transform: translateY(0);
}

.chat-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--card-border);
    flex-shrink: 0;
}

.chat-modal-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    color: var(--white);
    margin: 0;
}

.chat-modal-close {
    background: transparent;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--dim-grey);
    width: 44px;
    height: 44px;
    cursor: pointer !important; /* Override canvas grab cursor */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.chat-modal-close:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
    background: rgba(211, 82, 34, 0.1);
}

.chat-modal-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    padding-bottom: 140px; /* Extra space to prevent floating input overlap */
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.chat-modal-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-modal-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-modal-messages::-webkit-scrollbar-thumb {
    background: var(--dim-grey);
    border-radius: 3px;
}

.chat-modal-messages::-webkit-scrollbar-thumb:hover {
    background: var(--card-border-hover);
}

.chat-message {
    display: flex;
    margin-bottom: 0; /* Remove margin since container handles spacing */
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.assistant {
    justify-content: flex-start;
    display: block;
}

.chat-message-content {
    max-width: 100%;
    padding: 0;
    border-radius: 0;
    font-family: var(--font-mono);
    font-size: 15px;
    line-height: 1.6;
    word-wrap: break-word;
}

.chat-message.user .chat-message-content {
    background: var(--primary-orange);
    color: var(--white);
    border-bottom-right-radius: 6px;
}

.chat-message.assistant .chat-message-content {
    background: transparent;
    color: var(--white);
    border: none;
    border-radius: 0;
    position: relative;
    padding: 0;
    margin-bottom: var(--space-lg);
}

/* Message editing styles */
.chat-message.assistant {
    position: relative;
    display: block;
    margin-bottom: var(--space-lg);
}

.chat-message-content.editable-message {
    transition: all 0.2s ease;
}

.chat-message-content.editing {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
    border-radius: 12px;
    background: rgba(211, 82, 34, 0.1);
    cursor: text;
}

.message-controls {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 10;
    background: rgba(10, 10, 10, 0.8);
    border-radius: 20px;
    padding: 4px;
    backdrop-filter: blur(8px);
}

.chat-message.assistant:hover .message-controls {
    opacity: 1;
}

.control-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--dim-gray);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: all 0.2s ease;
    padding: 0;
}

.control-btn:hover {
    background: var(--primary-orange);
    color: var(--white);
    border-color: var(--primary-orange);
    transform: scale(1.1);
}

.control-btn:active {
    transform: scale(0.95);
}

.control-btn svg {
    width: 14px;
    height: 14px;
}

/* Edit state colors */
.save-btn:hover {
    background: #22c55e;
    border-color: #22c55e;
}

.cancel-btn:hover {
    background: #ef4444;
    border-color: #ef4444;
}

/* Unmerge button specific styling */
.unmerge-btn {
    background: rgba(168, 85, 247, 0.1) !important;
    border-color: rgba(168, 85, 247, 0.3) !important;
    color: #a855f7 !important;
}

.unmerge-btn:hover {
    background: #a855f7 !important;
    border-color: #a855f7 !important;
    color: var(--white) !important;
    transform: scale(1.1);
}

.unmerge-btn svg {
    opacity: 0.9;
}

/* Edited indicator */
.edited-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: var(--dim-grey);
    background: rgba(163, 157, 156, 0.2);
    padding: 2px 6px;
    border-radius: 10px;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    cursor: default;
}

.edited-indicator:hover {
    opacity: 1;
}

.edited-indicator svg {
    width: 12px;
    height: 12px;
    opacity: 0.8;
}

.edited-indicator span {
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Unmerge indicator - styled to match edited indicator but as clickable */
.unmerge-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: var(--primary-orange);
    background: rgba(211, 82, 34, 0.15);
    padding: 2px 6px;
    border-radius: 10px;
    opacity: 0.8;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
    margin-left: 4px;
}

.unmerge-indicator:hover {
    opacity: 1;
    background: rgba(211, 82, 34, 0.25);
    border-color: rgba(211, 82, 34, 0.3);
    transform: scale(1.05);
}

.unmerge-indicator span {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Message container - wraps quote + message for proper vertical layout */
.message-container {
    display: block;
    margin-bottom: var(--space-md);
}

/* Message container for user messages should align right */
.message-container:has(.chat-message.user) {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* Message quote display - shown above user messages */
.message-quote {
    margin-bottom: 8px;
    padding: 8px 12px;
    background: rgba(211, 82, 34, 0.1);
    border-left: 3px solid var(--primary-orange);
    border-radius: 6px;
    font-size: 13px;
    max-width: 80%; /* Same max-width as user messages */
    width: fit-content; /* Don't stretch to full width */
}

.quote-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 4px;
    font-size: 10px;
    color: var(--primary-orange);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.quote-indicator svg {
    opacity: 0.8;
}

.quote-content {
    color: var(--white);
    font-style: italic;
    line-height: 1.4;
    overflow-wrap: break-word;
}

.cancel-btn:hover {
    background: #ef4444;
    border-color: #ef4444;
}

/* Modal Quote Display */
.modal-quote-display {
    margin: 0 var(--space-lg);
    background: rgba(163, 157, 156, 0.1);
    border: 1px solid rgba(211, 82, 34, 0.3);
    border-radius: 12px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.modal-quote-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.modal-quote-label {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--primary-orange);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.modal-quote-close {
    background: none;
    border: none;
    color: var(--primary-orange);
    cursor: pointer !important; /* Override canvas grab cursor */
    font-size: 18px;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.modal-quote-close:hover {
    background: rgba(211, 82, 34, 0.1);
}

.modal-quote-text {
    font-size: 13px;
    line-height: 1.4;
    color: var(--white);
    font-style: italic;
    opacity: 0.9;
}







/* Chat Modal Responsive */
@media (max-width: 768px) {
    .chat-modal-container {
        width: 100vw;
        height: 100vh;
        max-width: none;
        border-radius: 0;
        border: none;
    }
    
    .chat-modal-title {
        font-size: 24px;
    }
    
    .chat-message-content {
        max-width: 100%;
        font-size: 14px;
    }
    
    .chat-message.user .chat-message-content {
        max-width: 90%;
    }
}

/* ===== MARKDOWN RENDERING STYLES ===== */

/* Base markdown content styling */
.chat-message-content p,
.markdown-chat p {
    margin: 0 0 var(--space-sm) 0;
}

.chat-message-content p:last-child,
.markdown-chat p:last-child {
    margin-bottom: 0;
}

/* Headings */
.chat-message-content h1,
.chat-message-content h2,
.chat-message-content h3,
.chat-message-content h4,
.chat-message-content h5,
.chat-message-content h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    margin: var(--space-lg) 0 var(--space-md) 0;
    color: var(--white);
}

.chat-message-content h1:first-child,
.chat-message-content h2:first-child,
.chat-message-content h3:first-child,
.chat-message-content h4:first-child,
.chat-message-content h5:first-child,
.chat-message-content h6:first-child {
    margin-top: 0;
}

.chat-message-content h1 { font-size: 1.8em; }
.chat-message-content h2 { font-size: 1.6em; }
.chat-message-content h3 { font-size: 1.4em; }
.chat-message-content h4 { font-size: 1.2em; }
.chat-message-content h5 { font-size: 1.1em; }
.chat-message-content h6 { font-size: 1em; }

/* Text formatting */
.chat-message-content strong {
    font-weight: 600;
    color: var(--white);
}

.chat-message-content em {
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
}

.chat-message-content u {
    text-decoration: underline;
    text-decoration-color: var(--primary-orange);
}

.chat-message-content s {
    text-decoration: line-through;
    opacity: 0.7;
}

/* Inline code - subtle gray background like GitHub/Notion */
.chat-message-content code:not([class*="language-"]) {
    background: rgba(163, 157, 156, 0.2);
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 6px;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--white);
    word-break: break-word;
}

/* Lists */
.chat-message-content ul,
.chat-message-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.chat-message-content ul ul,
.chat-message-content ol ol,
.chat-message-content ul ol,
.chat-message-content ol ul {
    margin: var(--space-xs) 0;
}

.chat-message-content li {
    margin-bottom: var(--space-xs);
    line-height: 1.6;
}

.chat-message-content li:last-child {
    margin-bottom: 0;
}

.chat-message-content ul > li {
    list-style: none;
    position: relative;
    padding-left: 1.5em;
}

.chat-message-content ul > li::before {
    content: '•';
    color: var(--primary-orange);
    font-size: 1.2em;
    position: absolute;
    left: 0;
    top: -0.1em;
}

.chat-message-content ol > li {
    list-style: none;
    counter-increment: list-counter;
}

.chat-message-content ol {
    counter-reset: list-counter;
}

.chat-message-content ol > li {
    position: relative;
    padding-left: 1.8em;
}

.chat-message-content ol > li::before {
    content: counter(list-counter) '.';
    color: var(--primary-orange);
    font-weight: 600;
    position: absolute;
    left: 0;
    width: 1.5em;
    text-align: left;
}

/* Blockquotes */
.chat-message-content blockquote {
    margin: var(--space-md) 0;
    padding: var(--space-md) var(--space-lg);
    border-left: 4px solid var(--primary-orange);
    background: rgba(211, 82, 34, 0.08);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
}

.chat-message-content blockquote p {
    margin: 0;
}

.chat-message-content blockquote p + p {
    margin-top: var(--space-sm);
}

/* Horizontal rules */
.chat-message-content hr {
    margin: var(--space-lg) 0;
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--dim-grey), transparent);
}

/* Tables */
.chat-message-content table {
    width: 100%;
    margin: var(--space-md) 0;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--card-border);
}

.chat-message-content th,
.chat-message-content td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid rgba(163, 157, 156, 0.2);
}

.chat-message-content th {
    background: rgba(163, 157, 156, 0.1);
    font-weight: 600;
    color: var(--white);
    font-family: var(--font-display);
}

.chat-message-content tr:last-child td {
    border-bottom: none;
}

.chat-message-content tr:nth-child(even) {
    background: rgba(163, 157, 156, 0.05);
}

/* Links */
.chat-message-content a {
    color: var(--primary-orange);
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: all 0.2s ease;
}

.chat-message-content a:hover {
    text-decoration-color: var(--primary-orange);
    color: #ff6b35;
}

/* ===== CODE BLOCK STYLES ===== */

.code-block {
    margin: var(--space-md) 0;
    border-radius: 12px;
    background: #1a1a1a;
    border: 1px solid var(--card-border);
    overflow: hidden;
    position: relative;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(163, 157, 156, 0.1);
    border-bottom: 1px solid var(--card-border);
}

.code-language {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--dim-grey);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.code-copy-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 6px;
    padding: 4px 8px;
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 10px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: all 0.2s ease;
}

.code-copy-btn:hover {
    background: var(--primary-orange);
    border-color: var(--primary-orange);
    color: var(--white);
    transform: scale(1.05);
}

.code-copy-btn.copied {
    background: #22c55e;
    border-color: #22c55e;
    color: var(--white);
}

.code-copy-btn .copy-text {
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.code-content {
    margin: 0;
    padding: var(--space-md);
    background: #1a1a1a;
    color: #e2e8f0;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    overflow-x: auto;
    white-space: pre;
}

.code-content code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
    word-break: normal;
}

/* Prism.js syntax highlighting overrides for dark theme */
.code-content .token.comment,
.code-content .token.prolog,
.code-content .token.doctype,
.code-content .token.cdata {
    color: #64748b;
    font-style: italic;
}

.code-content .token.punctuation {
    color: #94a3b8;
}

.code-content .token.property,
.code-content .token.tag,
.code-content .token.constant,
.code-content .token.symbol,
.code-content .token.deleted {
    color: #f87171;
}

.code-content .token.boolean,
.code-content .token.number {
    color: #fbbf24;
}

.code-content .token.selector,
.code-content .token.attr-name,
.code-content .token.string,
.code-content .token.char,
.code-content .token.builtin,
.code-content .token.inserted {
    color: #34d399;
}

.code-content .token.operator,
.code-content .token.entity,
.code-content .token.url,
.language-css .token.string,
.style .token.string,
.code-content .token.variable {
    color: #60a5fa;
}

.code-content .token.atrule,
.code-content .token.attr-value,
.code-content .token.function,
.code-content .token.class-name {
    color: var(--primary-orange);
}

.code-content .token.keyword {
    color: #c084fc;
    font-weight: 600;
}

.code-content .token.regex,
.code-content .token.important {
    color: #fb7185;
}

.code-content .token.important,
.code-content .token.bold {
    font-weight: bold;
}

.code-content .token.italic {
    font-style: italic;
}

.code-content .token.entity {
    cursor: help;
}

/* Custom scrollbar for code blocks */
.code-content::-webkit-scrollbar {
    height: 8px;
    background: rgba(0, 0, 0, 0.2);
}

.code-content::-webkit-scrollbar-thumb {
    background: rgba(163, 157, 156, 0.4);
    border-radius: 4px;
}

.code-content::-webkit-scrollbar-thumb:hover {
    background: rgba(163, 157, 156, 0.6);
}

/* ===== MATH EQUATION STYLES ===== */

.math-block {
    margin: var(--space-md) 0;
    text-align: center;
    padding: var(--space-md);
    background: rgba(163, 157, 156, 0.05);
    border-radius: 8px;
    overflow-x: auto;
}

.math-inline {
    display: inline;
    margin: 0 2px;
}

/* KaTeX styling adjustments for dark theme */
.katex {
    color: var(--white) !important;
}

.katex .base {
    color: var(--white);
}

.katex .mord {
    color: var(--white);
}

.katex .mbin,
.katex .mrel {
    color: var(--primary-orange);
}

.katex .mopen,
.katex .mclose,
.katex .mpunct {
    color: var(--dim-grey);
}

.katex .sizing,
.katex .mtight {
    color: inherit;
}

/* Math error styling */
.katex .katex-error {
    color: #ff4444 !important;
    background: rgba(255, 68, 68, 0.1);
    border-radius: 4px;
    padding: 2px 4px;
}

/* ===== CONTEXT-AWARE MARKDOWN STYLING ===== */

/* Chat context - full-featured markdown (default behavior) */
.markdown-chat {
    /* Inherits existing .chat-message-content styles */
}

/* ===== CONTEXT CUSTOMIZATION MODAL ===== */

.context-customization-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 30000 !important;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.context-customization-modal.show {
    display: flex !important;
    opacity: 1 !important;
}

.context-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
}

.context-modal-container {
    position: relative;
    width: 90vw;
    height: 80vh;
    max-width: 1200px;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.context-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-bottom: 1px solid var(--card-border);
    background: rgba(163, 157, 156, 0.05);
}

.context-modal-title-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex-grow: 1;
}

.context-modal-title-section h2 {
    margin: 0;
    color: white;
    font-size: 1.2rem;
}

.context-graph-filter-section {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.context-graph-filter-label {
    color: var(--dim-grey);
    font-size: 0.9rem;
    font-weight: 500;
}

.context-graph-filter-dropdown {
    background: var(--dark-blue);
    border: 2px solid var(--card-border);
    border-radius: 8px;
    color: white;
    padding: 6px 12px;
    font-size: 0.9rem;
    font-family: inherit;
    min-width: 200px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.context-graph-filter-dropdown:hover {
    border-color: var(--primary-orange);
    background: rgba(211, 82, 34, 0.1);
}

.context-graph-filter-dropdown:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 8px rgba(211, 82, 34, 0.3);
}

.context-graph-filter-dropdown option {
    background: var(--dark-blue);
    color: white;
    padding: 8px;
}

.context-modal-close {
    background: none;
    border: none;
    color: var(--dim-grey);
    font-size: 1.5rem;
    cursor: pointer !important; /* Override canvas grab cursor */
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.context-modal-close:hover {
    background: rgba(163, 157, 156, 0.2);
    color: white;
}

.context-modal-body {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.context-modal-panels {
    display: flex;
    width: 100%;
    height: 100%;
}

/* Left Panel - Conversation Tree */
.context-left-panel {
    width: 30%;
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
}

.context-left-header {
    padding: var(--space-sm) var(--space-md);
    background: rgba(163, 157, 156, 0.05);
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
    color: var(--dim-grey);
    font-size: 0.9rem;
}

.context-lineage-tree {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
}

/* New Tree Structure Styles */
.context-tree-node {
    margin-bottom: 2px;
}

.context-tree-node-header {
    display: flex;
    align-items: center;
    padding: 6px 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: background-color 0.2s ease;
}

.context-tree-node-header:hover {
    background: rgba(163, 157, 156, 0.1);
}

.context-expand-btn {
    background: none;
    border: none;
    color: var(--dim-grey);
    padding: 2px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: all 0.2s ease;
    margin-right: 4px;
    min-width: 16px;
}

.context-expand-btn:hover {
    color: var(--primary-orange);
    transform: scale(1.1);
}

.context-expand-btn.expanded svg {
    transform: rotate(0deg);
}

.context-expand-btn:not(.expanded) svg {
    transform: rotate(-90deg);
}

.context-spacer {
    width: 16px;
    margin-right: 4px;
}

.context-node-icon {
    margin-right: 6px;
    color: var(--dim-grey);
    display: flex;
    align-items: center;
}

.context-tree-node-title {
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 13px;
    flex: 1;
    margin-right: 8px;
}

.context-tree-node-count {
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 11px;
}

.context-node-messages {
    margin-left: 16px;
    border-left: 1px solid rgba(163, 157, 156, 0.2);
}

.context-tree-message {
    display: flex;
    align-items: center;
    padding: 4px 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: background-color 0.2s ease;
}

.context-tree-message:hover {
    background: rgba(163, 157, 156, 0.08);
}

.context-tree-message.selected {
    background: rgba(211, 82, 34, 0.15);
    border-left: 2px solid var(--primary-orange);
}

.message-checkbox {
    margin-right: 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
}

.context-message-role {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    margin-right: 6px;
    min-width: 35px;
}

.context-message-role.user {
    color: var(--primary-orange);
}

.context-message-role.assistant {
    color: #4fc3f7;
}

.context-message-preview {
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 11px;
    flex: 1;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.context-empty {
    padding: var(--space-lg);
    text-align: center;
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 13px;
    font-style: italic;
}

.tree-node {
    margin-bottom: var(--space-xs);
}

.tree-node-header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs);
    background: rgba(163, 157, 156, 0.1);
    border-radius: 6px;
    margin-bottom: var(--space-xs);
}

.tree-node-title {
    font-weight: 600;
    color: white;
    font-size: 0.9rem;
}

.tree-node-count {
    color: var(--dim-grey);
    font-size: 0.8rem;
}

.tree-message {
    display: flex;
    align-items: start;
    gap: var(--space-xs);
    padding: var(--space-xs);
    cursor: pointer !important; /* Override canvas grab cursor */
    border-radius: 4px;
    transition: all 0.2s ease;
    margin-bottom: 2px;
}

.tree-message:hover {
    background: rgba(163, 157, 156, 0.1);
}

.tree-message.selected {
    background: rgba(211, 82, 34, 0.2);
    border-left: 3px solid var(--primary-orange);
}

.message-role {
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 60px;
}

.message-role.user {
    color: #d35222;
}

.message-role.assistant {
    color: white;
}

.message-preview {
    font-size: 0.8rem;
    color: var(--dim-grey);
    line-height: 1.3;
    overflow: hidden;
}

/* Center Panel - Message Viewer */
.context-center-panel {
    width: 40%;
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
}

.context-center-header {
    padding: var(--space-sm) var(--space-md);
    background: rgba(163, 157, 156, 0.05);
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
    color: var(--dim-grey);
    font-size: 0.9rem;
}

.context-message-viewer {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.message-viewer {
    height: 100%;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--card-border);
}

.message-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--dim-grey);
}

.message-content {
    margin-bottom: var(--space-lg);
    color: white;
    line-height: 1.6;
}

.inclusion-controls {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--card-border);
}

.inclusion-controls h4 {
    margin: 0 0 var(--space-sm) 0;
    color: white;
    font-size: 0.9rem;
}

.inclusion-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.inclusion-options label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--dim-grey);
    font-size: 0.9rem;
    cursor: pointer !important; /* Override canvas grab cursor */
}

.inclusion-options input[type="radio"] {
    accent-color: var(--primary-orange);
}

.add-to-context-btn {
    background: var(--primary-orange);
    border: none;
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    font-weight: 600;
    transition: all 0.3s ease;
}

.add-to-context-btn:hover {
    background: #b8441c;
    transform: translateY(-1px);
}

/* Right Panel - Token Meter & Preview */
.context-right-panel {
    width: 30%;
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-lg);
}

.token-meter h4,
.context-preview h4 {
    margin: 0 0 var(--space-sm) 0;
    color: white;
    font-size: 0.9rem;
}

.token-progress {
    margin-bottom: var(--space-sm);
}

.token-bar {
    width: 100%;
    height: 8px;
    background: rgba(163, 157, 156, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.token-fill {
    height: 100%;
    background: var(--primary-orange);
    transition: all 0.3s ease;
    border-radius: 4px;
}

.token-text {
    font-size: 0.85rem;
    color: var(--dim-grey);
    font-family: 'JetBrains Mono', monospace;
}

.context-items {
    flex: 1;
    overflow-y: auto;
    margin-bottom: var(--space-md);
}

.empty-context {
    color: var(--dim-grey);
    font-style: italic;
    text-align: center;
    padding: var(--space-lg);
}

.context-item {
    background: rgba(163, 157, 156, 0.1);
    border-radius: 8px;
    padding: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.context-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xs);
    font-size: 0.8rem;
}

.context-item-role.user {
    color: #d35222;
    font-weight: 600;
}

.context-item-role.assistant {
    color: white;
    font-weight: 600;
}

.context-item-inclusion {
    color: var(--dim-grey);
    font-size: 0.75rem;
}

.context-item-tokens {
    color: var(--dim-grey);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
}

.remove-context-item {
    background: none;
    border: none;
    color: var(--dim-grey);
    cursor: pointer !important; /* Override canvas grab cursor */
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.remove-context-item:hover {
    background: rgba(255, 68, 68, 0.2);
    color: #ff4444;
}

.context-item-preview {
    color: var(--dim-grey);
    font-size: 0.8rem;
    line-height: 1.3;
}

.context-actions {
    display: flex;
    gap: var(--space-sm);
}

.clear-context-btn,
.apply-context-btn {
    flex: 1;
    padding: var(--space-sm);
    border: none;
    border-radius: 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    font-weight: 600;
    transition: all 0.3s ease;
}

.clear-context-btn {
    background: rgba(163, 157, 156, 0.2);
    color: var(--dim-grey);
}

.clear-context-btn:hover {
    background: rgba(163, 157, 156, 0.3);
    color: white;
}

.apply-context-btn {
    background: var(--primary-orange);
    color: white;
}

.apply-context-btn:hover {
    background: #b8441c;
    transform: translateY(-1px);
}

/* ===== CONTEXT RULES MODAL ===== */

.context-rules-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 25000;
    display: none;
    align-items: center;
    justify-content: center;
}

.context-rules-modal.show {
    display: flex !important;
}

.context-rules-container {
    position: relative;
    width: 600px;
    max-height: 80vh;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.context-rules-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.rules-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--card-border);
}

.rules-section:last-child {
    border-bottom: none;
}

.rules-section h3 {
    margin: 0 0 var(--space-md) 0;
    color: white;
    font-size: 1.1rem;
}

.mode-config {
    background: rgba(163, 157, 156, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.mode-config h4 {
    margin: 0 0 var(--space-xs) 0;
    color: var(--primary-orange);
    font-size: 1rem;
}

.mode-config p {
    margin: 0 0 var(--space-md) 0;
    color: var(--dim-grey);
    font-size: 0.9rem;
    line-height: 1.4;
}

.mode-settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.mode-settings label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: white;
    font-size: 0.9rem;
    cursor: pointer !important; /* Override canvas grab cursor */
}

.mode-settings input[type="checkbox"] {
    accent-color: var(--primary-orange);
}

.custom-modes-list {
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(163, 157, 156, 0.05);
    border: 1px dashed var(--card-border);
    border-radius: 8px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.no-custom-modes {
    color: var(--dim-grey);
    font-style: italic;
    margin: 0;
}

.create-mode-btn {
    background: var(--primary-orange);
    border: none;
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    font-weight: 600;
    transition: all 0.3s ease;
}

.create-mode-btn:hover {
    background: #b8441c;
    transform: translateY(-1px);
}

.default-settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.default-settings label {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    color: white;
    font-size: 0.9rem;
}

.default-mode-select,
.token-threshold {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: var(--space-sm);
    color: white;
    font-size: 0.9rem;
}

.default-mode-select:focus,
.token-threshold:focus {
    outline: none;
    border-color: var(--primary-orange);
}

.context-rules-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-top: 1px solid var(--card-border);
    background: rgba(163, 157, 156, 0.05);
}

.context-modal-btn {
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    font-weight: 600;
    transition: all 0.3s ease;
}

.context-modal-btn.secondary {
    background: rgba(163, 157, 156, 0.2);
    color: var(--dim-grey);
}

.context-modal-btn.secondary:hover {
    background: rgba(163, 157, 156, 0.3);
    color: white;
}

.context-modal-btn.primary {
    background: var(--primary-orange);
    color: white;
}

.context-modal-btn.primary:hover {
    background: #b8441c;
    transform: translateY(-1px);
}

.context-modal-btn.danger {
    background: #dc3545;
    border-color: #dc3545;
    color: white;
}

.context-modal-btn.danger:hover {
    background: #c82333;
    border-color: #bd2130;
}

/* ===== NEW CONTEXT RULES MODAL STYLES ===== */

/* Rules Views */
.rules-view {
    min-height: 400px;
}

.section-header {
    margin-bottom: var(--space-lg);
}

.section-header h3 {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.section-description {
    color: var(--dim-grey);
    font-size: 0.9rem;
    margin: 0;
}

/* Back Button */
.back-btn {
    background: none;
    border: 1px solid var(--card-border);
    color: var(--dim-grey);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.9rem;
    cursor: pointer !important;
    margin-bottom: var(--space-md);
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: rgba(163, 157, 156, 0.2);
    border-color: var(--primary-orange);
    color: white;
}

/* Modes List */
.modes-list {
    background: rgba(163, 157, 156, 0.05);
    border-radius: 8px;
    border: 1px solid var(--card-border);
    padding: var(--space-xs);
    margin-bottom: var(--space-lg);
    min-height: 200px;
}

.mode-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: var(--space-md);
    margin-bottom: var(--space-xs);
    cursor: move !important;
    transition: all 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.mode-item:last-child {
    margin-bottom: 0;
}

.mode-item:hover {
    background: rgba(163, 157, 156, 0.1);
    border-color: rgba(211, 82, 34, 0.5);
    transform: translateY(-1px);
}

.mode-item.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
}

.mode-item.default-mode {
    border-color: var(--primary-orange);
    background: rgba(211, 82, 34, 0.1);
}

.mode-info {
    flex: 1;
}

.mode-name {
    font-weight: 600;
    color: white;
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.mode-badge {
    background: var(--primary-orange);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
}

.mode-badge.built-in {
    background: var(--dim-grey);
}

.mode-badge.default {
    background: var(--primary-orange);
}

.mode-description {
    color: var(--dim-grey);
    font-size: 0.85rem;
    margin: 0;
}

.mode-actions {
    display: flex;
    gap: var(--space-xs);
}

.mode-action-btn {
    background: none;
    border: 1px solid var(--card-border);
    color: var(--dim-grey);
    padding: var(--space-xs);
    border-radius: 4px;
    cursor: pointer !important;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.mode-action-btn:hover {
    background: rgba(163, 157, 156, 0.2);
    border-color: var(--primary-orange);
    color: white;
}

.mode-action-btn.danger:hover {
    background: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #dc3545;
}

/* Mode List Actions */
.mode-list-actions {
    display: flex;
    justify-content: center;
}

.create-mode-btn {
    background: var(--primary-orange);
    color: white;
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer !important;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.create-mode-btn:hover:not(.disabled) {
    background: #b8441c;
    transform: translateY(-1px);
}

.create-mode-btn.disabled {
    background: var(--dim-grey);
    cursor: not-allowed !important;
    opacity: 0.6;
}

.create-mode-btn.disabled:hover {
    background: var(--dim-grey);
    transform: none;
}

/* Mode Editor */
.mode-editor {
    max-width: 600px;
}

.mode-basic-info {
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    color: white;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.mode-name-input, .mode-description-input {
    width: 100%;
    background: rgba(163, 157, 156, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: var(--space-sm);
    color: white;
    font-family: var(--font-mono);
    transition: border-color 0.2s ease;
}

.mode-name-input:focus, .mode-description-input:focus {
    outline: none;
    border-color: var(--primary-orange);
}

.mode-description-input {
    resize: vertical;
    min-height: 60px;
}

/* Scope Rules */
.scope-rules-container h4 {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.scope-explanation {
    color: var(--dim-grey);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

.scope-rule {
    background: rgba(163, 157, 156, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.scope-header {
    flex: 1;
}

.scope-header h5 {
    color: white;
    font-weight: 600;
    margin: 0 0 var(--space-xs) 0;
}

.scope-header p {
    color: var(--dim-grey);
    font-size: 0.85rem;
    margin: 0;
}

.scope-rule-select {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: var(--space-sm);
    color: white;
    cursor: pointer !important;
    min-width: 200px;
    font-size: 0.9rem;
    transition: border-color 0.2s ease;
}

.scope-rule-select:focus {
    outline: none;
    border-color: var(--primary-orange);
}

/* Mode Editor Actions */
.mode-editor-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--card-border);
}

/* Preview context - compact markdown for card previews */
.markdown-preview {
    font-size: 11px;
    line-height: 1.2;
    color: var(--white);
}

/* Preview Headings - Weight-based emphasis, minimal size changes */
.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4,
.markdown-preview h5,
.markdown-preview h6 {
    font-family: var(--font-mono);
    margin: 2px 0;
    color: var(--white);
    line-height: 1.1;
}

.markdown-preview h1 { font-weight: 700; font-size: 1.1em; }
.markdown-preview h2 { font-weight: 650; font-size: 1.05em; }
.markdown-preview h3 { font-weight: 600; font-size: 1.0em; }
.markdown-preview h4 { font-weight: 550; font-size: 1.0em; }
.markdown-preview h5 { font-weight: 500; font-size: 0.95em; }
.markdown-preview h6 { font-weight: 450; font-size: 0.95em; }

/* Preview Text Formatting */
.markdown-preview strong {
    font-weight: 600;
    color: var(--white); /* Default to white - orange is reserved for user content */
}

/* Orange bold text ONLY for user messages - respects design system color semantics */
.card-message.user .markdown-preview strong {
    color: var(--primary-orange);
}

.markdown-preview em {
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
}

/* Inline code only - subtle gray background like GitHub/Notion */
.markdown-preview code:not(.code-content code) {
    background: rgba(163, 157, 156, 0.15);
    color: var(--white);
    padding: 2px 4px;
    border-radius: 4px;
    font-size: 1em;
    font-family: var(--font-mono);
}

/* Ensure code block content doesn't get inline code styling */
.markdown-preview .code-content code {
    background: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    color: inherit !important;
}

/* Preview Code Blocks - Compact display */
.markdown-preview .code-block {
    margin: 4px 0;
    border-radius: 6px;
    background: #1a1a1a;
    border: 1px solid var(--card-border);
    overflow: hidden;
    font-size: 10px;
}

.markdown-preview .code-header {
    padding: 2px 6px;
    background: rgba(163, 157, 156, 0.1);
    border-bottom: 1px solid var(--card-border);
    font-size: 9px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.markdown-preview .code-language {
    font-family: var(--font-mono) !important;
    font-size: 9px !important;
    font-weight: 400 !important;
    text-transform: uppercase;
    color: var(--dim-grey);
    letter-spacing: 0.05em;
}

.markdown-preview .code-content {
    padding: 4px 6px;
    font-family: var(--font-mono);
    font-size: 9px;
    line-height: 1.2;
    overflow-x: auto;
    color: #e2e8f0;
}

/* Ensure Prism.js syntax highlighting works in preview code blocks */
.markdown-preview .code-content .token.comment,
.markdown-preview .code-content .token.prolog,
.markdown-preview .code-content .token.doctype,
.markdown-preview .code-content .token.cdata {
    color: #64748b;
    font-style: italic;
}

.markdown-preview .code-content .token.punctuation {
    color: #94a3b8;
}

.markdown-preview .code-content .token.property,
.markdown-preview .code-content .token.tag,
.markdown-preview .code-content .token.constant,
.markdown-preview .code-content .token.symbol,
.markdown-preview .code-content .token.deleted {
    color: #f87171;
}

.markdown-preview .code-content .token.boolean,
.markdown-preview .code-content .token.number {
    color: #fbbf24;
}

.markdown-preview .code-content .token.selector,
.markdown-preview .code-content .token.attr-name,
.markdown-preview .code-content .token.string,
.markdown-preview .code-content .token.char,
.markdown-preview .code-content .token.builtin,
.markdown-preview .code-content .token.inserted {
    color: #34d399;
}

.markdown-preview .code-content .token.operator,
.markdown-preview .code-content .token.entity,
.markdown-preview .code-content .token.url,
.markdown-preview .code-content .token.variable {
    color: #60a5fa;
}

.markdown-preview .code-content .token.atrule,
.markdown-preview .code-content .token.attr-value,
.markdown-preview .code-content .token.function,
.markdown-preview .code-content .token.class-name {
    color: var(--primary-orange);
}

.markdown-preview .code-content .token.keyword {
    color: #c084fc;
    font-weight: 600;
}

.markdown-preview .code-content .token.regex,
.markdown-preview .code-content .token.important {
    color: #fb7185;
}

.markdown-preview .code-content .token.important,
.markdown-preview .code-content .token.bold {
    font-weight: bold;
}

.markdown-preview .code-content .token.italic {
    font-style: italic;
}


/* Preserve user message orange color in preview cards */
.card-message.user .markdown-preview,
.card-message.user .markdown-preview * {
    color: var(--primary-orange) !important;
}

/* Preview Math - Compact inline display */
.markdown-preview .math-block {
    margin: 2px 4px;
    padding: 4px 6px;
    background: rgba(163, 157, 156, 0.05);
    border-radius: 4px;
    font-size: 0.8em;
    text-align: center;
    display: inline-block;
}

.markdown-preview .math-inline {
    font-size: 0.9em;
    padding: 0 2px;
}

/* Preview Lists - Minimal indentation */
.markdown-preview ul,
.markdown-preview ol {
    margin: 2px 0;
    padding-left: 12px;
}

.markdown-preview li {
    margin: 1px 0;
    line-height: 1.2;
}

.markdown-preview ul > li {
    list-style: none;
    position: relative;
}

.markdown-preview ul > li::before {
    content: '•';
    color: var(--primary-orange);
    margin-right: 4px;
    position: absolute;
    left: -8px;
}

/* Preview Tables - Compact cell padding */
.markdown-preview table {
    border-collapse: collapse;
    margin: 4px 0;
    font-size: 9px;
    width: 100%;
}

.markdown-preview th,
.markdown-preview td {
    border: 1px solid var(--card-border);
    padding: 2px 4px;
    text-align: left;
}

.markdown-preview th {
    background: rgba(163, 157, 156, 0.1);
    font-weight: 600;
}

/* Preview Blockquotes - Minimal styling */
.markdown-preview blockquote {
    margin: 4px 0;
    padding: 4px 8px;
    border-left: 2px solid var(--primary-orange);
    background: rgba(163, 157, 156, 0.05);
    font-style: italic;
    opacity: 0.9;
    font-size: 0.95em;
}

/* Preview Paragraphs - Tight spacing */
.markdown-preview p {
    margin: 2px 0;
    line-height: 1.2;
}

.markdown-preview p:last-child {
    margin-bottom: 0;
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */

@media (max-width: 768px) {
    .code-block {
        margin: var(--space-sm) 0;
    }
    
    .code-content {
        padding: var(--space-sm);
        font-size: 12px;
    }
    
    .code-header {
        padding: var(--space-xs) var(--space-sm);
    }
    
    .code-copy-btn {
        padding: 2px 6px;
        font-size: 9px;
    }
    
    .chat-message-content {
        font-size: 14px;
    }
    
    .chat-message-content h1 { font-size: 1.5em; }
    .chat-message-content h2 { font-size: 1.4em; }
    .chat-message-content h3 { font-size: 1.3em; }
    .chat-message-content h4 { font-size: 1.2em; }
    .chat-message-content h5 { font-size: 1.1em; }
    .chat-message-content h6 { font-size: 1em; }
    
    .math-block {
        padding: var(--space-sm);
        font-size: 0.9em;
    }
}


/* ===== ADVANCED CONTEXT CUSTOMIZATION MODAL (Phase 2.3) ===== */

/* Three-Panel Layout */
.context-panels-container {
    display: flex;
    width: 100%;
    height: 100%;
    min-height: 600px;
    gap: 1px;
    background: rgba(163, 157, 156, 0.1);
}

.context-outline-panel,
.context-viewer-panel,
.context-preview-panel {
    background: var(--dark-blue);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.context-outline-panel {
    flex: 0 0 300px;
    border-right: 1px solid rgba(163, 157, 156, 0.2);
}

.context-viewer-panel {
    flex: 1;
    min-width: 400px;
    border-right: 1px solid rgba(163, 157, 156, 0.2);
}

.context-preview-panel {
    flex: 0 0 320px;
}

.context-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid rgba(163, 157, 156, 0.2);
    background: rgba(163, 157, 156, 0.05);
}

.context-panel-header h3 {
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    margin: 0;
}

.context-modal-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.context-control-btn {
    background: transparent;
    border: 1px solid rgba(163, 157, 156, 0.3);
    color: var(--dim-grey);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer !important; /* Override canvas grab cursor */
    font-size: 12px;
    transition: var(--transition-medium);
}

.context-control-btn:hover {
    color: var(--white);
    border-color: rgba(163, 157, 156, 0.5);
    background: rgba(163, 157, 156, 0.1);
}

/* Left Panel - Conversation Tree */
.context-tree {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
}

.context-tree-node {
    margin-bottom: 4px;
}

.context-tree-item {
    display: flex;
    align-items: center;
    padding: 6px 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: all 0.2s ease;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.context-tree-item:hover {
    background: rgba(163, 157, 156, 0.1);
}

.context-tree-item.selected {
    background: rgba(211, 82, 34, 0.2);
    border-left: 3px solid var(--primary-orange);
    color: var(--white);
}

.context-tree-item.included {
    opacity: 1;
}

.context-tree-item.excluded {
    opacity: 0.5;
    text-decoration: line-through;
}

.tree-expand-icon {
    margin-right: 6px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: transform 0.2s ease;
    font-size: 10px;
    color: var(--dim-grey);
}

.tree-expand-icon.expanded {
    transform: rotate(90deg);
}

.tree-icon {
    margin-right: 8px;
    font-size: 14px;
}

.context-tree-children {
    margin-left: 20px;
}

/* Center Panel - Message Viewer */
.message-viewer {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    min-height: 0; /* Allow flex shrinking */
    max-height: calc(80vh - 200px); /* Ensure content fits within modal */
}

/* Ensure summary type selector and buttons are visible */
.summary-type-selector {
    position: sticky;
    bottom: 0;
    background: var(--card-bg);
    padding: 12px 0;
    border-top: 1px solid rgba(163, 157, 156, 0.2);
    margin-top: auto;
}

.inclusion-controls {
    display: flex;
    align-items: center;
}

.inclusion-mode-select {
    background: rgba(163, 157, 156, 0.1);
    border: 1px solid rgba(163, 157, 156, 0.3);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
}

.message-content {
    color: var(--white);
    line-height: 1.6;
}

.message-meta {
    padding: 8px 0;
    border-bottom: 1px solid rgba(163, 157, 156, 0.2);
    margin-bottom: 12px;
}

.message-text {
    margin: 12px 0;
}

.node-quote {
    font-style: italic;
    border-left: 3px solid var(--primary-orange);
    padding-left: 12px;
    margin: 12px 0;
}

.summary-management {
    margin-top: 16px;
    padding: 12px;
    background: rgba(163, 157, 156, 0.08);
    border-radius: 8px;
}

.summary-status {
    margin-bottom: 8px;
    font-size: 11px;
}

/* Right Panel - Token Meter & Preview */
.token-meter-container {
    margin-bottom: 12px;
}

.token-meter {
    width: 100%;
    height: 6px;
    background: rgba(163, 157, 156, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 4px;
}

.token-meter-fill {
    height: 100%;
    background: var(--primary-orange);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.token-count-display {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--dim-grey);
    text-align: center;
}

.preview-items-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
}

.preview-item {
    display: flex;
    align-items: center;
    padding: 8px;
    margin-bottom: 4px;
    background: rgba(163, 157, 156, 0.05);
    border-radius: 4px;
    cursor: move;
    transition: all 0.2s ease;
    font-family: var(--font-mono);
    font-size: 11px;
}

.preview-item:hover {
    background: rgba(163, 157, 156, 0.1);
    transform: translateY(-1px);
}

.preview-item.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
}

.preview-item-icon {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
}

.preview-item-text {
    flex: 1;
    color: var(--white);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-item-tokens {
    color: var(--dim-grey);
    font-size: 10px;
    margin-left: 8px;
    margin-right: 20px; /* Make space for remove button */
    flex-shrink: 0;
}

/* Modal Footer */
.context-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: var(--space-md);
    border-top: 1px solid rgba(163, 157, 156, 0.2);
    background: rgba(163, 157, 156, 0.02);
}

/* ===== NEW MESSAGE VIEWER INTERFACE ===== */

/* Message Pair Viewer */
.message-pair-viewer {
    background: rgba(38, 39, 43, 0.3);
    border-radius: 12px;
    padding: var(--space-md);
    border: 1px solid rgba(163, 157, 156, 0.2);
}

.viewer-header {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid rgba(163, 157, 156, 0.2);
}

.viewer-header h3 {
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 500;
    margin: 0 0 4px 0;
}

.pair-meta {
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 11px;
}

/* Summary Type Selector */
.summary-type-selector {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    padding: var(--space-sm);
    background: rgba(163, 157, 156, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(163, 157, 156, 0.2);
}

.summary-type-selector label {
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    flex-shrink: 0;
}

#summary-type-select,
#node-summary-type-select {
    flex: 1;
    background: rgba(38, 39, 43, 0.5);
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 6px;
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 6px 8px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: var(--transition-medium);
}

#summary-type-select:hover,
#node-summary-type-select:hover {
    border-color: var(--primary-orange);
}

#summary-type-select:focus,
#node-summary-type-select:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 2px rgba(211, 82, 34, 0.2);
}

.add-btn {
    background: var(--primary-orange);
    border: none;
    border-radius: 6px;
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 12px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: var(--transition-medium);
    flex-shrink: 0;
}

.add-btn:hover:not(:disabled) {
    background: #e85a2d;
    transform: translateY(-1px);
}

.add-btn:disabled {
    background: rgba(163, 157, 156, 0.3);
    color: var(--dim-grey);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Message Content Area */
.message-content-area {
    background: rgba(10, 10, 10, 0.3);
    border-radius: 8px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    border: 1px solid rgba(163, 157, 156, 0.1);
    max-height: 400px;
    overflow-y: auto;
}

.user-message,
.assistant-message {
    margin-bottom: var(--space-md);
    padding: var(--space-sm);
    border-radius: 6px;
    border-left: 3px solid transparent;
}

.user-message {
    background: rgba(66, 133, 244, 0.05);
    border-left-color: #4285f4;
}

.assistant-message {
    background: rgba(211, 82, 34, 0.05);
    border-left-color: var(--primary-orange);
}

.user-message:last-child,
.assistant-message:last-child {
    margin-bottom: 0;
}

.message-header {
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.user-message .message-header {
    color: #4285f4;
}

.assistant-message .message-header {
    color: var(--primary-orange);
}

.message-body {
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
}

.message-body em {
    color: var(--dim-grey);
    font-style: italic;
}

.no-content {
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 12px;
    text-align: center;
    padding: var(--space-lg);
    font-style: italic;
}

/* Summary Management Enhanced */
.summary-management.user {
    border-left-color: #4285f4;
}

.summary-management.assistant {
    border-left-color: var(--primary-orange);
}

/* Node Info Viewer */
.node-info-viewer {
    background: rgba(38, 39, 43, 0.3);
    border-radius: 12px;
    padding: var(--space-md);
    border: 1px solid rgba(163, 157, 156, 0.2);
}

.node-meta {
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 11px;
}

.branch-summary-management {
    background: rgba(156, 39, 176, 0.05);
    border-left: 3px solid rgba(156, 39, 176, 0.7);
}

/* Remove Button for Preview Items */
.remove-item-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(211, 34, 34, 0.8);
    border: none;
    border-radius: 50%;
    color: white;
    width: 16px;
    height: 16px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer !important; /* Override canvas grab cursor */
    display: none;
    align-items: center;
    justify-content: center;
    transition: var(--transition-medium);
}

.preview-item:hover .remove-item-btn {
    display: flex;
}

.remove-item-btn:hover {
    background: #d32f2f;
    transform: translateY(-50%) scale(1.1);
}

/* Enhanced Preview Item */
.preview-item {
    position: relative;
    padding-right: 24px; /* Make space for remove button */
}

/* Auto-extract specific styling */
.preview-item.auto-extract {
    border-left-color: rgba(255, 193, 7, 0.7);
    color: rgba(255, 193, 7, 1);
}

.preview-item.branch-summary {
    border-left-color: rgba(156, 39, 176, 0.7);
    color: rgba(156, 39, 176, 1);
}

.preview-item.all-messages {
    border-left-color: rgba(34, 139, 211, 0.7);
    color: rgba(34, 139, 211, 1);
}

.preview-item.recent-messages {
    border-left-color: rgba(63, 81, 181, 0.7);
    color: rgba(63, 81, 181, 1);
}

/* Success feedback styling */
.add-btn.success {
    background: #4CAF50 !important;
}

/* Token count debugging info */
.token-debug-info {
    background: rgba(163, 157, 156, 0.05);
    border: 1px solid rgba(163, 157, 156, 0.2);
    border-radius: 4px;
    padding: 6px 8px;
    margin-top: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--dim-grey);
}

/* Responsive adjustments for new interface */
@media (max-width: 1000px) {
    .summary-type-selector {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .summary-type-selector label {
        margin-bottom: 4px;
    }
    
    .user-message,
    .assistant-message {
        padding: 8px;
    }
    
    .message-body {
        font-size: 11px;
    }
}

@media (max-width: 600px) {
    .message-pair-viewer,
    .node-info-viewer {
        padding: var(--space-sm);
    }
    
    .viewer-header h3 {
        font-size: 14px;
    }
    
    .message-content-area {
        padding: var(--space-sm);
        max-height: 300px;
    }
}

/* ===== CUSTOMIZATION TOGGLE SECTION ===== */

.customization-toggle-section {
    padding: 16px 24px;
    background: rgba(163, 157, 156, 0.05);
    border-bottom: 1px solid rgba(163, 157, 156, 0.1);
}

.toggle-container {
    display: flex;
    align-items: center;
}

.customization-toggle-label {
    display: flex;
    align-items: center;
    cursor: pointer !important; /* Override canvas grab cursor */
    font-size: 14px;
    user-select: none;
}

.customization-toggle-label input[type="checkbox"] {
    margin-right: 12px;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-orange);
    cursor: pointer !important; /* Override canvas grab cursor */
}

.toggle-text {
    font-weight: 500;
    color: white;
    margin-right: 8px;
}

.toggle-description {
    font-size: 12px;
    color: var(--dim-grey);
    font-style: italic;
}

/* Disable modal panels when toggle is off */
.context-panels-container.disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* No summary message styling */
.no-summary-message {
    padding: 16px;
    background: rgba(163, 157, 156, 0.1);
    border: 1px dashed rgba(163, 157, 156, 0.3);
    border-radius: 8px;
    text-align: center;
    color: var(--dim-grey);
    font-style: italic;
}


/* ===== MERGE FUNCTIONALITY STYLES ===== */

/* Edge hover effects */
.edge-group {
    transition: all var(--transition-fast);
}

.edge-group:hover {
    filter: drop-shadow(0 0 8px rgba(211, 82, 34, 0.6));
}

/* Merge Tooltip */
.merge-tooltip {
    font-family: var(--font-system);
    color: var(--white);
    animation: merge-tooltip-appear 0.2s ease-out;
}

@keyframes merge-tooltip-appear {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.merge-tooltip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(211, 82, 34, 0.3);
}

.merge-tooltip-title {
    font-weight: 600;
    color: var(--primary-orange);
    font-size: 14px;
}

.merge-tooltip-close {
    background: none;
    border: none;
    color: var(--dim-grey);
    font-size: 18px;
    cursor: pointer !important; /* Override canvas grab cursor */
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.merge-tooltip-close:hover {
    background: rgba(211, 82, 34, 0.2);
    color: var(--primary-orange);
}

.merge-direction {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--primary-orange);
    margin-bottom: 8px;
}

.merge-description {
    font-size: 13px;
    color: var(--dim-grey);
    margin-bottom: 12px;
}

.merge-branch-info {
    padding: 8px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    font-size: 12px;
}

.merge-branch-info div {
    margin-bottom: 4px;
}

.merge-branch-info div:last-child {
    margin-bottom: 0;
}

.merge-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.merge-btn {
    padding: 8px 12px;
    border: 1px solid var(--primary-orange);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: all var(--transition-fast);
    font-family: var(--font-system);
    flex: 1;
    text-align: center;
}

.merge-btn-preview {
    background: transparent;
    color: var(--primary-orange);
}

.merge-btn-preview:hover {
    background: rgba(211, 82, 34, 0.1);
}

.merge-btn-merge {
    background: var(--primary-orange);
    color: var(--white);
}

.merge-btn-merge:hover {
    background: #b84820;
}

.merge-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.merge-options {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(163, 157, 156, 0.2);
}

.merge-option {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--dim-grey);
    cursor: pointer !important; /* Override canvas grab cursor */
}

.merge-option input[type="checkbox"] {
    accent-color: var(--primary-orange);
}

/* Merge Modal */
.merge-modal {
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.merge-modal-container {
    background: linear-gradient(135deg, var(--dark-blue), #1f2023);
    border: 2px solid var(--primary-orange);
    border-radius: 16px;
    padding: 0;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-medium);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.merge-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(211, 82, 34, 0.3);
    background: rgba(211, 82, 34, 0.1);
}

.merge-modal-title {
    color: var(--primary-orange);
    font-family: var(--font-system);
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.merge-modal-close {
    background: none;
    border: none;
    color: var(--dim-grey);
    font-size: 24px;
    cursor: pointer !important; /* Override canvas grab cursor */
    padding: 4px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.merge-modal-close:hover {
    background: rgba(211, 82, 34, 0.2);
    color: var(--primary-orange);
}

.merge-modal-content {
    padding: 24px;
    max-height: calc(90vh - 140px);
    overflow-y: auto;
    color: var(--white);
    font-family: var(--font-system);
}

.merge-modal-actions {
    display: flex;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid rgba(163, 157, 156, 0.2);
    background: rgba(0, 0, 0, 0.2);
    justify-content: flex-end;
}

.merge-btn-cancel {
    background: transparent;
    color: var(--dim-grey);
    border: 1px solid var(--dim-grey);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: all var(--transition-fast);
}

.merge-btn-cancel:hover {
    background: rgba(163, 157, 156, 0.1);
    color: var(--white);
}

.merge-btn-confirm {
    background: var(--primary-orange);
    color: var(--white);
    border: 1px solid var(--primary-orange);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer !important; /* Override canvas grab cursor */
    transition: all var(--transition-fast);
}

.merge-btn-confirm:hover {
    background: #b84820;
    border-color: #b84820;
}

/* Modal Content Sections */
.merge-preview-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.merge-info-section {
    background: rgba(0, 0, 0, 0.3);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid rgba(163, 157, 156, 0.2);
}

.merge-info-item {
    margin-bottom: 8px;
    font-size: 14px;
}

.merge-info-item:last-child {
    margin-bottom: 0;
}

.positive-change {
    color: #4caf50;
    font-weight: 500;
}

.neutral-change {
    color: var(--dim-grey);
}

.merge-branch-conversation {
    background: rgba(26, 27, 31, 0.5);
    border: 1px solid rgba(163, 157, 156, 0.2);
    border-radius: 8px;
    padding: 16px;
}

.merge-branch-conversation h4 {
    color: var(--primary-orange);
    margin-bottom: 12px;
    font-size: 14px;
}

.conversation-content {
    max-height: 200px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.3);
    padding: 12px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.4;
}

.conversation-message {
    margin-bottom: 8px;
    padding: 6px;
    border-radius: 4px;
}

.conversation-message.user {
    background: rgba(211, 82, 34, 0.1);
    border-left: 3px solid var(--primary-orange);
}

.conversation-message.assistant {
    background: rgba(163, 157, 156, 0.1);
    border-left: 3px solid var(--dim-grey);
}

.conversation-message .role {
    font-weight: 600;
    color: var(--primary-orange);
}

.conversation-quote {
    background: rgba(211, 82, 34, 0.15);
    padding: 8px;
    border-radius: 4px;
    border-left: 3px solid var(--primary-orange);
    margin-bottom: 8px;
}

.quote-label {
    font-weight: 600;
    color: var(--primary-orange);
}

.merge-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    align-items: start;
}

.comparison-column {
    display: flex;
    flex-direction: column;
}

.comparison-column h4 {
    color: var(--primary-orange);
    margin-bottom: 8px;
    font-size: 14px;
}

.content-preview {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 8px;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    max-height: 300px;
    overflow-y: auto;
    word-wrap: break-word;
}

.original-content {
    border-left: 3px solid var(--dim-grey);
}

.merged-content {
    border-left: 3px solid var(--primary-orange);
}

.comparison-arrow {
    align-self: center;
    color: var(--primary-orange);
    font-size: 24px;
    font-weight: bold;
}

.truncated {
    color: var(--dim-grey);
    font-style: italic;
}

/* Success and Error States */
.merge-success {
    text-align: center;
    padding: 24px;
}

.success-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.merge-success h3 {
    color: #4caf50;
    margin-bottom: 16px;
}

.success-details {
    color: var(--dim-grey);
    line-height: 1.6;
}

.success-note {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    padding: 12px;
    border-radius: 6px;
    margin-top: 16px;
    font-size: 13px;
}

.merge-error {
    text-align: center;
    padding: 24px;
}

.error-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.merge-error h3 {
    color: #f44336;
    margin-bottom: 16px;
}

.error-message {
    color: var(--white);
    font-weight: 500;
    margin-bottom: 8px;
}

.error-help {
    color: var(--dim-grey);
    font-size: 14px;
}

/* Message merge indicators */
.message-merge-indicator {
    background: linear-gradient(135deg, #d35222, #a82a0a);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 4px 0;
}

.unmerge-btn {
    color: var(--primary-orange);
    background: none;
    border: none;
    cursor: pointer !important; /* Override canvas grab cursor */
    text-decoration: underline;
    font-size: 12px;
    padding: 2px 4px;
    border-radius: 3px;
    transition: all var(--transition-fast);
}

.unmerge-btn:hover {
    background: rgba(211, 82, 34, 0.1);
    text-decoration: none;
}

/* Error tooltip for merge operations */
.merge-error-tooltip {
    animation: merge-error-appear 0.3s ease-out;
}

@keyframes merge-error-appear {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal open state for canvas dimming */
body.modal-open .canvas-viewport::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    z-index: 5000;
    pointer-events: none;
}

/* Responsive design for merge modal */
@media (max-width: 768px) {
    .merge-modal-container {
        width: 95%;
        margin: 16px;
    }
    
    .merge-comparison {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
        align-self: center;
        justify-self: center;
    }
    
    .merge-actions {
        flex-direction: column;
        gap: 8px;
    }
}

/* Ensure edge cursor overrides canvas cursor */
.canvas-viewport .edge-group,
.canvas-viewport .edge-line,
.canvas-viewport .edge-arrow,
.canvas-viewport .edge-hit-area {
    cursor: pointer !important;
}

/* ===== LOGIN MODAL ===== */
.login-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.login-modal.open {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.login-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.login-modal-container {
    background: var(--card-bg);
    border: var(--card-border-width) solid var(--primary-orange);
    border-radius: var(--card-border-radius);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(211, 82, 34, 0.3);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    transform: scale(0.8) translateY(50px);
    opacity: 0;
    transition: all var(--transition-medium);
}

.login-modal.open .login-modal-container {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.login-modal-header {
    padding: var(--space-xl) var(--space-xl) var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.login-modal-title {
    font-family: var(--font-display);
    font-size: 28px;
    color: var(--white);
    margin: 0;
    background: linear-gradient(135deg, var(--white), var(--primary-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-modal-close {
    background: none;
    border: none;
    color: var(--dim-grey);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.login-modal-close:hover {
    color: var(--white);
    background: rgba(163, 157, 156, 0.1);
}

.login-modal-body {
    padding: var(--space-xl);
}

.login-intro {
    margin-bottom: var(--space-xl);
}

.login-subtitle {
    font-family: var(--font-mono);
    font-size: 15px;
    color: var(--dim-grey);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.login-feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.login-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--dim-grey);
}

.login-feature svg {
    color: var(--primary-orange);
    flex-shrink: 0;
}

.login-form {
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.email-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: rgba(163, 157, 156, 0.05);
    border: 2px solid var(--card-border);
    border-radius: 12px;
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 15px;
    transition: all var(--transition-fast);
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(211, 82, 34, 0.1);
    background: rgba(163, 157, 156, 0.08);
}

.email-input::placeholder {
    color: var(--dim-grey);
}

.email-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.send-login-btn {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--primary-orange);
    border: none;
    border-radius: 12px;
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: relative;
    overflow: hidden;
}

.send-login-btn:hover:not(:disabled) {
    background: #e85a2a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(211, 82, 34, 0.4);
}

.send-login-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Google Sign-In Button */
.google-signin-btn {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--white);
    border: 2px solid #dadce0;
    border-radius: 12px;
    color: #3c4043;
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: relative;
    overflow: hidden;
    margin-top: var(--space-md);
}

.google-signin-btn:hover:not(:disabled) {
    background: #f8f9fa;
    border-color: #c1c7cd;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.google-signin-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.google-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    color: var(--dim-grey);
    font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--card-border);
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.login-status-message {
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 13px;
    margin-top: var(--space-md);
}

.login-status-message.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.login-status-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.guest-access {
    border-top: 1px solid var(--card-border);
    padding-top: var(--space-lg);
    margin-top: var(--space-lg);
}

.divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 12px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--card-border);
}

.guest-btn {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: 2px solid var(--card-border);
    border-radius: 12px;
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.guest-btn:hover {
    border-color: var(--dim-grey);
    color: var(--white);
}

.guest-limitation {
    font-size: 11px;
    opacity: 0.7;
}

/* Guest data warning */
.guest-data-warning {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 8px;
    padding: var(--space-md);
    margin: var(--space-lg) 0;
}

.warning-icon {
    color: #ffc107;
    flex-shrink: 0;
    margin-top: 2px;
}

.warning-content {
    flex: 1;
}

.warning-title {
    font-weight: 500;
    color: var(--white);
    margin: 0 0 4px 0;
    font-size: 14px;
}

.warning-message {
    color: var(--dim-grey);
    margin: 0;
    font-size: 12px;
    line-height: 1.4;
}

/* Notification system */
.orbit-notification {
    position: fixed;
    top: 80px;
    right: -400px; /* Start off-screen */
    width: 350px;
    max-width: 90vw;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 12px;
    padding: var(--space-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.orbit-notification.show {
    right: 20px;
}

.orbit-notification-warning {
    border-color: #ffc107;
    background: linear-gradient(135deg, var(--card-bg), rgba(255, 193, 7, 0.05));
}

.orbit-notification-info {
    border-color: var(--primary-orange);
    background: linear-gradient(135deg, var(--card-bg), rgba(211, 82, 34, 0.05));
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 500;
    color: var(--white);
    font-size: 14px;
    margin-bottom: 4px;
}

.notification-message {
    color: var(--dim-grey);
    font-size: 12px;
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--dim-grey);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    font-size: 16px;
    line-height: 1;
    margin-top: -2px;
    transition: all 0.2s ease;
}

.notification-close:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .orbit-notification {
        width: calc(100vw - 32px);
        right: -100vw;
        top: 60px;
    }
    
    .orbit-notification.show {
        right: 16px;
    }
}

/* Auth section in header */
.auth-section {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Login button in header */
.login-btn {
    padding: 8px 16px;
    background: var(--primary-orange);
    border: none;
    border-radius: 8px;
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.login-btn:hover {
    background: #e85a2a;
    transform: translateY(-1px);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--dim-grey);
}

.user-avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 10px;
    font-weight: 500;
}

.logout-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 11px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
}

/* Provider restriction styling */
.provider-select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.provider-select option:disabled {
    color: var(--dim-grey);
    background: var(--card-bg);
}

/* ===== CONFIRMATION DIALOG ===== */
.confirmation-dialog {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 25000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-out;
}

.confirmation-dialog.show {
    opacity: 1;
    visibility: visible;
}

.confirmation-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.confirmation-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    background: var(--deep-space);
    border: 2px solid var(--primary-orange);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    transform: translateY(20px) scale(0.9);
    transition: transform 0.3s ease-out;
    margin: 20px;
}

.confirmation-dialog.show .confirmation-container {
    transform: translateY(0) scale(1);
}

.confirmation-header {
    padding: 24px 24px 16px 24px;
    border-bottom: 1px solid rgba(163, 157, 156, 0.2);
}

.confirmation-title {
    margin: 0;
    color: var(--text-white);
    font-size: 20px;
    font-weight: 600;
    text-align: center;
}

.confirmation-body {
    padding: 24px;
    text-align: center;
}

.confirmation-message {
    margin: 0;
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.5;
}

.confirmation-footer {
    display: flex;
    gap: 12px;
    padding: 16px 24px 24px 24px;
    justify-content: center;
}

.confirmation-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
}

.confirmation-btn.secondary {
    background: rgba(163, 157, 156, 0.1);
    color: var(--text-dim);
    border: 1px solid rgba(163, 157, 156, 0.3);
}

.confirmation-btn.secondary:hover {
    background: rgba(163, 157, 156, 0.2);
    color: var(--text-white);
}

.confirmation-btn.primary {
    background: var(--primary-orange);
    color: var(--text-white);
    border: 1px solid var(--primary-orange);
}

.confirmation-btn.primary:hover {
    background: #e55a2b;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(211, 82, 34, 0.3);
}

.confirmation-btn.danger {
    background: #dc2626;
    color: var(--text-white);
    border: 1px solid #dc2626;
}

.confirmation-btn.danger:hover {
    background: #ef4444;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

/* Responsive design for login modal */
@media (max-width: 768px) {
    .login-modal-container {
        width: 95%;
        margin: 16px;
        max-height: 95vh;
    }
    
    .login-modal-title {
        font-size: 22px;
    }
    
    .login-modal-header,
    .login-modal-body {
        padding: var(--space-lg);
    }
}

/* ===== TUTORIAL SYSTEM STYLES ===== */

/* Tutorial Container */
.tutorial-container {
    position: fixed;
    inset: 0;
    z-index: 9998;
    pointer-events: none;
    opacity: 0;
    transition: opacity 400ms ease;
}

.tutorial-container.active {
    opacity: 1;
    pointer-events: auto;
}

/* Tutorial Overlay with Spotlight Effect */
.tutorial-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    transition: all 400ms ease;
    pointer-events: auto;
    cursor: pointer;
}

/* Tutorial Card/Tooltip */
.tutorial-card {
    position: fixed;
    background: linear-gradient(135deg, #26272b 0%, #1f2023 100%);
    border: 2px solid var(--primary-orange);
    border-radius: 16px;
    padding: 28px;
    max-width: 480px;
    min-width: 360px;
    box-shadow: 
        0 20px 60px rgba(211, 82, 34, 0.3),
        0 4px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    pointer-events: auto;
    z-index: 10003;
}

/* Skip Button - Always Visible */
.tutorial-skip {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(211, 82, 34, 0.15);
    border: 1px solid rgba(211, 82, 34, 0.5);
    color: var(--primary-orange);
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 200ms ease;
    z-index: 10000;
}

.tutorial-skip:hover {
    background: rgba(211, 82, 34, 0.25);
    border-color: var(--primary-orange);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(211, 82, 34, 0.3);
}

/* Progress Indicator */
.tutorial-progress {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
    align-items: center;
    justify-content: center;
}

.progress-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(211, 82, 34, 0.3);
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-dot.active {
    background: var(--primary-orange);
    box-shadow: 
        0 0 16px rgba(211, 82, 34, 0.6),
        0 0 32px rgba(211, 82, 34, 0.3);
    transform: scale(1.3);
}

/* Tutorial Content */
.tutorial-title {
    color: white;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}

.tutorial-content {
    color: var(--dim-grey);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.tutorial-content strong {
    color: white;
    font-weight: 600;
}

.tutorial-content em {
    color: rgba(163, 157, 156, 0.8);
    font-style: italic;
}

/* Tutorial Navigation - Fixed to screen corner */
.tutorial-actions {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 12px;
    align-items: center;
    z-index: 10004;
    background: rgba(38, 39, 43, 0.95);
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid rgba(211, 82, 34, 0.4);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.tutorial-btn {
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 200ms ease;
    border: none;
}

.tutorial-back {
    background: rgba(163, 157, 156, 0.1);
    color: var(--dim-grey);
    border: 1px solid rgba(163, 157, 156, 0.3);
}

.tutorial-back:hover {
    background: rgba(163, 157, 156, 0.2);
    color: white;
    transform: translateY(-1px);
}

.tutorial-next,
.tutorial-finish {
    background: linear-gradient(135deg, var(--primary-orange), #c24719);
    color: white;
    box-shadow: 0 4px 12px rgba(211, 82, 34, 0.3);
}

.tutorial-next:hover,
.tutorial-finish:hover {
    background: linear-gradient(135deg, #e55a2b, var(--primary-orange));
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(211, 82, 34, 0.4);
}

/* ===== TUTORIAL ANIMATION CLASSES ===== */

/* Pulse Effect */
.tutorial-pulse {
    animation: tutorialPulse 2s ease-in-out infinite;
}

@keyframes tutorialPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(211, 82, 34, 0.7);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(211, 82, 34, 0);
        transform: scale(1.02);
    }
}

/* Glow Effect */
.tutorial-glow {
    box-shadow: 
        0 0 20px rgba(211, 82, 34, 0.6),
        0 0 40px rgba(211, 82, 34, 0.3),
        0 4px 20px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-orange) !important;
}

/* White Spotlight Effect */
.tutorial-white-spotlight {
    filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.3)) drop-shadow(0 0 20px rgba(255, 255, 255, 0.2));
    box-shadow: 
        0 0 0 2px rgba(255, 255, 255, 0.1),
        0 0 20px rgba(255, 255, 255, 0.1);
}

/* Highlight Effect */
.tutorial-highlight {
    background: rgba(211, 82, 34, 0.15) !important;
    border-color: var(--primary-orange) !important;
    box-shadow: 
        0 0 16px rgba(211, 82, 34, 0.4),
        0 4px 16px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
    transition: all 300ms ease;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate(-50%, -50%) translateY(0);
    }
    40%, 43% {
        transform: translate(-50%, -50%) translateY(-8px);
    }
    70% {
        transform: translate(-50%, -50%) translateY(-4px);
    }
    90% {
        transform: translate(-50%, -50%) translateY(-2px);
    }
}

/* Fade In Up Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== TUTORIAL SPECIFIC ELEMENTS ===== */

/* Tutorial Text Selection */
.tutorial-text-selection {
    background: rgba(211, 82, 34, 0.3) !important;
    border: 1px solid var(--primary-orange);
    border-radius: 4px;
    padding: 2px 6px;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

/* Quote Tooltip */
.tutorial-quote-tooltip {
    background: linear-gradient(135deg, #26272b, #1f2023);
    border: 2px solid var(--primary-orange);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 13px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.quote-tooltip-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
}

.quote-btn {
    background: var(--primary-orange);
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    color: white;
    cursor: pointer;
}

/* Branch Mode Highlights */
.tutorial-active .branch-modes {
    animation: expandModes 500ms ease;
}

@keyframes expandModes {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal Preview */
.tutorial-modal-preview {
    background: linear-gradient(135deg, #26272b, #1f2023);
    border: 2px solid var(--primary-orange);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 
        0 20px 60px rgba(211, 82, 34, 0.3),
        0 4px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    animation: modalPreview 3s ease-in-out;
}

@keyframes modalPreview {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    20%, 80% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
}

.preview-header {
    color: white;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.preview-panels {
    display: flex;
    gap: 16px;
}

.preview-panel {
    text-align: center;
    color: var(--dim-grey);
    padding: 12px;
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 8px;
    background: rgba(163, 157, 156, 0.05);
    min-width: 80px;
}

.panel-icon {
    font-size: 20px;
    margin-bottom: 8px;
}

.panel-name {
    font-size: 12px;
    font-weight: 500;
}

/* ===== DEMO ELEMENTS ===== */

/* Demo Canvas */
.demo-canvas {
    background: rgba(10, 10, 10, 0.3);
    border-radius: 16px;
    border: 1px dashed rgba(211, 82, 34, 0.5);
    backdrop-filter: blur(10px);
}

/* Demo Cards */
.demo-card {
    background: linear-gradient(135deg, #26272b, #1f2023);
    border: 2px solid var(--primary-orange);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: all 300ms ease;
    animation: cardAppear 500ms ease;
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.demo-card-header {
    color: white;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(163, 157, 156, 0.2);
}

.demo-card-content {
    color: var(--dim-grey);
    font-size: 12px;
    line-height: 1.4;
    position: relative;
}

/* Demo Edge */
.demo-edge {
    animation: edgeAppear 500ms ease;
}

@keyframes edgeAppear {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.demo-edge-path {
    stroke-dasharray: 10, 5;
    animation: edgeDash 2s linear infinite;
}

@keyframes edgeDash {
    to {
        stroke-dashoffset: -15;
    }
}

/* Demo Merge Tooltip */
.demo-merge-tooltip {
    animation: tooltipBounce 1s ease;
}

@keyframes tooltipBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Unmerge Button */
.unmerge-btn {
    transition: all 200ms ease;
    animation: unmergeAppear 500ms ease;
}

@keyframes unmergeAppear {
    from {
        opacity: 0;
        transform: scale(0);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.unmerge-btn:hover {
    background: #e55a2b !important;
    transform: scale(1.1);
}

/* ===== TUTORIAL RESPONSIVE DESIGN ===== */

@media (max-width: 768px) {
    .tutorial-card {
        max-width: 90%;
        min-width: 320px;
        padding: 20px;
        margin: 20px;
    }
    
    .tutorial-title {
        font-size: 18px;
    }
    
    .tutorial-content {
        font-size: 14px;
    }
    
    .demo-canvas {
        width: 90% !important;
        height: 250px !important;
    }
    
    .demo-card {
        width: 140px !important;
        font-size: 11px;
    }
    
    .preview-panels {
        flex-direction: column;
        gap: 8px;
    }
    
    .preview-panel {
        min-width: auto;
        padding: 8px;
    }
}

/* ===== TUTORIAL HINT ELEMENTS ===== */

.tutorial-hint {
    font-family: var(--font-system);
    white-space: nowrap;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* Branch Mode Tutorial Styles */
.tutorial-active {
    position: relative;
}

.tutorial-expanded {
    animation: slideDown 300ms ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus on specific tutorial elements */
.tutorial-spotlight-element {
    position: relative;
    z-index: 9999;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    box-shadow: 
        0 0 0 4px rgba(211, 82, 34, 0.3),
        0 0 30px rgba(211, 82, 34, 0.2);
}

/* Smooth transitions for tutorial elements */
.tutorial-transition {
    transition: all 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tutorial completion celebration */
@keyframes celebration {
    0% {
        transform: scale(1) rotate(0deg);
    }
    25% {
        transform: scale(1.1) rotate(-5deg);
    }
    50% {
        transform: scale(1.1) rotate(5deg);
    }
    75% {
        transform: scale(1.05) rotate(-2deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
    }
}

.tutorial-celebrate {
    animation: celebration 600ms ease;
}

/* Merge explanation styles */
.merge-explanation {
    animation: slideDown 400ms ease;
}

.merge-demo-text {
    color: #ffffff;
}

.merge-step {
    padding: 8px 0;
    border-left: 3px solid #d35222;
    padding-left: 12px;
    margin: 6px 0;
    opacity: 0;
    animation: stepFadeIn 400ms ease forwards;
}

.merge-step:nth-child(1) {
    animation-delay: 200ms;
}

.merge-step:nth-child(2) {
    animation-delay: 600ms;
}

.merge-step:nth-child(3) {
    animation-delay: 1000ms;
}

@keyframes stepFadeIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ============================================
   GRAPH SELECTOR STYLES
   ============================================ */

.graph-selector {
    position: relative;
    display: inline-block;
}

.graph-selector-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(38, 39, 43, 0.7);
    border: 1px solid rgba(163, 157, 156, 0.3);
    color: var(--white);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 13px;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.graph-selector-btn:hover {
    background: rgba(38, 39, 43, 0.9);
    border-color: rgba(163, 157, 156, 0.5);
    color: var(--primary-orange);
}

.graph-selector-btn .dropdown-arrow {
    margin-left: auto;
    transition: transform 0.2s ease;
}

.graph-selector-btn:hover .dropdown-arrow {
    transform: translateY(1px);
}

.graph-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--dark-blue);
    border: 1px solid rgba(163, 157, 156, 0.3);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    z-index: 1000;
    min-width: 280px;
}

.graph-dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(163, 157, 156, 0.2);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--dim-grey);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.create-graph-btn {
    background: rgba(211, 82, 34, 0.8);
    border: none;
    border-radius: 6px;
    color: white;
    padding: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.create-graph-btn:hover {
    background: rgba(211, 82, 34, 1);
    transform: scale(1.05);
}

.graph-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 8px 0;
}

.graph-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.graph-item:hover {
    background: rgba(163, 157, 156, 0.1);
    border-left-color: var(--dim-grey);
}

.graph-item.active {
    background: rgba(211, 82, 34, 0.1);
    border-left-color: var(--primary-orange);
}

.graph-item.active:hover {
    background: rgba(211, 82, 34, 0.15);
}

.graph-item-content {
    flex: 1;
    min-width: 0;
}

.graph-name {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--white);
    font-weight: 500;
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.graph-item.active .graph-name {
    color: var(--primary-orange);
}

.graph-description {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--dim-grey);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.default-badge {
    display: inline-block;
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}


/* ===== GRAPH PANEL (LEFT SIDEBAR) ===== */

.graph-panel {
    position: fixed;
    top: 0;
    left: -320px; /* Initially hidden */
    width: 320px;
    height: 100vh;
    background: var(--dark-blue);
    border-right: 3px solid var(--primary-orange);
    z-index: 1000;
    transition: left 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
}

.graph-panel.open {
    left: 0;
}

.graph-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 2px solid rgba(211, 82, 34, 0.2);
    background: rgba(211, 82, 34, 0.05);
}

.graph-panel-header h3 {
    margin: 0;
    color: white;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.graph-panel-close {
    background: none;
    border: none;
    color: var(--dim-grey);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.graph-panel-close:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.graph-panel-content {
    flex: 1;
    padding: var(--space-md);
    overflow-y: auto;
}

.create-graph-panel-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--primary-orange), #e64a19);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(211, 82, 34, 0.3);
}

.create-graph-panel-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 82, 34, 0.4);
    background: linear-gradient(135deg, #e64a19, var(--primary-orange));
}

.create-graph-panel-btn:active {
    transform: translateY(0);
}

.graph-panel-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.graph-panel-item {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid transparent;
    border-radius: 12px;
    transition: all 0.2s ease;
    position: relative;
    display: flex;
    align-items: stretch;
    gap: var(--space-sm);
}

.graph-panel-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(211, 82, 34, 0.3);
    transform: translateX(4px);
}

.graph-panel-item.active {
    background: rgba(211, 82, 34, 0.15);
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 1px rgba(211, 82, 34, 0.2);
}

.graph-panel-item-main {
    flex: 1;
    cursor: pointer;
    min-width: 0; /* Allow text overflow handling */
}

.graph-panel-item-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.graph-panel-item:hover .graph-panel-item-actions {
    opacity: 1;
}

.graph-action-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 6px;
    color: var(--dim-grey);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.graph-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
}

.edit-graph-btn:hover {
    background: rgba(76, 175, 80, 0.2);
    border-color: rgba(76, 175, 80, 0.4);
    color: #4CAF50;
}

.delete-graph-btn:hover {
    background: rgba(244, 67, 54, 0.2);
    border-color: rgba(244, 67, 54, 0.4);
    color: #F44336;
}

.graph-panel-item-name {
    color: white;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.graph-panel-item-description {
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.4;
    margin-bottom: 8px;
    opacity: 0.8;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.graph-panel-item-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-top: var(--space-xs);
}

.graph-timestamp {
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    opacity: 0.7;
    white-space: nowrap;
    flex-shrink: 0;
}

.graph-panel-item-meta .default-badge {
    flex-shrink: 0;
}

/* Graph Panel Toggle Button */
.graph-panel-toggle {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-orange), #e64a19);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 6px 20px rgba(211, 82, 34, 0.4);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.graph-panel-toggle:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(211, 82, 34, 0.5);
}

.graph-panel-toggle:active {
    transform: translateY(-1px) scale(1.02);
}

.graph-panel-toggle.panel-open {
    left: 344px; /* Move right when panel is open */
    background: rgba(26, 27, 43, 0.9);
    border: 2px solid var(--primary-orange);
}

/* Graph Panel Item Status Indicators */
.graph-status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dim-grey);
    margin-right: 8px;
    flex-shrink: 0;
}

.graph-status-indicator.active {
    background: var(--primary-orange);
    box-shadow: 0 0 8px rgba(211, 82, 34, 0.6);
}

.graph-status-indicator.default {
    background: #4CAF50;
    box-shadow: 0 0 8px rgba(76, 175, 80, 0.6);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .graph-panel {
        width: 100%;
        left: -100%;
    }
    
    .graph-panel-toggle.panel-open {
        left: 24px; /* Stay in bottom left on mobile */
    }
}


/* ===== GRAPH RENAME MODAL ===== */
#graph-rename-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 25000;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

#graph-rename-modal.show {
    display: flex !important;
    opacity: 1 !important;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

#graph-rename-modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--card-border);
}

.modal-header h3 {
    margin: 0;
    color: white;
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--dim-grey);
    font-size: 24px;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(163, 157, 156, 0.2);
    color: white;
}

.modal-body {
    padding: var(--space-lg);
}

.modal-body p {
    margin: 0 0 var(--space-md) 0;
    color: white;
    font-family: var(--font-mono);
    font-size: 14px;
}

.graph-rename-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: var(--space-md);
    color: white;
    font-family: var(--font-mono);
    font-size: 14px;
    margin-bottom: var(--space-sm);
    transition: border-color 0.2s ease;
}

.graph-rename-input:focus {
    border-color: var(--primary-orange);
    outline: none;
    box-shadow: 0 0 0 3px rgba(211, 82, 34, 0.1);
}

.graph-rename-input::placeholder {
    color: var(--dim-grey);
    opacity: 0.7;
}

.graph-rename-hint {
    color: var(--dim-grey);
    font-family: var(--font-mono);
    font-size: 11px;
    opacity: 0.8;
    font-style: italic;
    margin-top: var(--space-xs);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border-top: 1px solid var(--card-border);
}

.btn {
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn.secondary {
    background: rgba(163, 157, 156, 0.2);
    color: var(--dim-grey);
    border: 1px solid rgba(163, 157, 156, 0.3);
}

.btn.secondary:hover {
    background: rgba(163, 157, 156, 0.3);
    color: white;
}

.btn.primary {
    background: var(--primary-orange);
    color: white;
}

.btn.primary:hover {
    background: #b8441c;
    transform: translateY(-1px);
}