/* Modern Responsive Stylesheet for ORBIT-Q landing page with Default Light Theme & Dark Theme override */

/* Color Palette - Default Light Theme */
:root {
    --bg-base: #f8fafc;
    --bg-surface: rgba(255, 255, 255, 0.8);
    --bg-surface-solid: #ffffff;
    --bg-card: rgba(241, 245, 249, 0.7);
    --border-color: rgba(15, 23, 42, 0.08);
    --border-glow: rgba(14, 165, 233, 0.12);
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-white: #0f172a;
    --text-muted: #64748b;
    
    /* Harmonious Color Palette */
    --primary: #6366f1; /* Indigo */
    --primary-glow: rgba(99, 102, 241, 0.15);
    --accent: #0ea5e9; /* Sky Blue */
    --accent-glow: rgba(14, 165, 233, 0.15);
    --purple: #a855f7; /* Violet */
    --purple-glow: rgba(168, 85, 247, 0.15);
    
    /* System Statuses */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.06);
    --success-border: rgba(16, 185, 129, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.06);
    --danger-border: rgba(239, 68, 68, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.06);
    --warning-border: rgba(245, 158, 11, 0.15);
    
    --terminal-bg: #090d16;
    --terminal-header: #121824;
    --terminal-tab-bg: #0d121c;
    
    /* Typography */
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-subheading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Google Sans Code', monospace;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables Override */
[data-theme="dark"] {
    --bg-base: #080b11;
    --bg-surface: rgba(17, 22, 34, 0.85);
    --bg-surface-solid: #0d1220;
    --bg-card: rgba(22, 28, 45, 0.4);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(56, 189, 248, 0.15);
    
    --text-primary: #cbd5e1;
    --text-secondary: #94a3b8;
    --text-white: #ffffff;
    --text-muted: #64748b;
    
    --primary-glow: rgba(99, 102, 241, 0.3);
    --accent-glow: rgba(14, 165, 233, 0.3);
    --purple-glow: rgba(168, 85, 247, 0.3);
    
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-border: rgba(16, 185, 129, 0.2);
    --danger-bg: rgba(239, 68, 68, 0.1);
    --danger-border: rgba(239, 68, 68, 0.2);
    --warning-bg: rgba(245, 158, 11, 0.1);
    --warning-border: rgba(245, 158, 11, 0.2);
    
    --terminal-bg: #07090e;
    --terminal-header: #0d111a;
    --terminal-tab-bg: #0a0e17;
}

/* Theme Toggle Button Style */
.theme-toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    color: var(--text-white);
    background: rgba(15, 23, 42, 0.06);
}

[data-theme="dark"] .theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

.theme-toggle-btn svg {
    transition: transform 0.4s ease;
}

.theme-toggle-btn:active svg {
    transform: rotate(45deg);
}

.hidden {
    display: none !important;
}

/* Reset and Core Layout */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    /* Subtle background grid (Light is default) */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.02) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.02) 0%, transparent 50%),
        linear-gradient(rgba(15, 23, 42, 0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.01) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

[data-theme="dark"] body {
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.06) 0%, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.003) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.003) 1px, transparent 1px);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #38bdf8;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: var(--bg-surface);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    padding: 0 24px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--text-white);
}

.logo-icon {
    color: var(--accent);
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-text {
    background: linear-gradient(135deg, var(--text-white) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.92rem;
    font-weight: 500;
}

.nav-links a:not(.nav-git-btn) {
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--text-white);
}

.nav-git-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    color: var(--text-white);
    font-weight: 500;
    transition: var(--transition);
}

.nav-git-btn:hover {
    background: var(--bg-surface-solid);
    border-color: var(--text-muted);
    color: var(--text-white);
    box-shadow: 0 0 12px var(--border-glow);
}

/* Glassmorphism/Glow Card Base Styles */
.card-glow {
    background-color: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .card-glow {
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

.card-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.3), transparent);
    z-index: 1;
}

/* Hero Section */
.hero-section {
    padding: 140px 24px 80px;
    position: relative;
    text-align: center;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #4f46e5;
    background: rgba(99, 102, 241, 0.07);
    border: 1px solid rgba(99, 102, 241, 0.25);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

[data-theme="dark"] .hero-badge {
    color: var(--primary);
    background: var(--primary-glow);
    box-shadow: 0 0 15px var(--primary-glow);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-white) 20%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.05));
}

.hero-subtitle-gradient {
    font-family: var(--font-subheading);
    font-size: 1.6rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: 24px;
    background: linear-gradient(90deg, #0ea5e9, #6366f1, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 760px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-white);
}

.btn-secondary:hover {
    background: var(--bg-surface-solid);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-tertiary {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 16px;
}

.btn-tertiary:hover {
    color: var(--text-white);
}

/* Sections */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-white) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    color: var(--text-white);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 48px;
}

/* Abstract and highlights */
.info-panel {
    padding: 48px;
}

.abstract-text {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.75;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: var(--transition);
}

.highlight-card:hover {
    background: var(--bg-surface);
    border-color: rgba(56, 189, 248, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.hl-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.hl-num {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.hl-header h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-white);
}

.highlight-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Figure Exhibition Panel */
.fig-tabs-container {
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s ease;
}

.fig-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 24px;
    overflow-x: auto;
    scrollbar-width: none;
}

.fig-tabs::-webkit-scrollbar {
    display: none;
}

.fig-tab-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.92rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.fig-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .fig-tab-btn:hover {
    background: rgba(255, 255, 255, 0.02);
}

.fig-tab-btn.active {
    color: var(--text-white);
    background: var(--bg-card);
    border-color: var(--border-color);
}

.fig-content-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.fig-content-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.fig-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 32px;
    align-items: center;
}

.fig-img-area {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

[data-theme="dark"] .fig-img-area {
    background: rgba(0, 0, 0, 0.3);
}

.paper-fig {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s ease;
}

.paper-fig:hover {
    transform: scale(1.01);
}

.fig-desc-area h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.fig-caption {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.65;
}

.fig-caption strong {
    color: var(--text-white);
}

/* Leaderboard Interactive Layout */
.leaderboard-tabs-container {
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: background-color 0.3s ease;
}

.leaderboard-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.lead-tab-btn {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 14px 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.lead-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .lead-tab-btn:hover {
    background: rgba(255, 255, 255, 0.02);
}

.lead-tab-btn.active {
    color: #4f46e5;
    background: rgba(99, 102, 241, 0.06);
    border-color: rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .lead-tab-btn.active {
    color: var(--text-white);
    background: var(--primary-glow);
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow: 0 0 20px var(--primary-glow);
}

.axis-view {
    display: none;
    animation: fadeIn 0.4s ease;
}

.axis-view.active {
    display: block;
}

.view-intro {
    color: var(--text-secondary);
    font-size: 0.98rem;
    margin-bottom: 28px;
    line-height: 1.6;
}

/* Summary Cards */
.summary-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.summary-card h4 {
    font-family: var(--font-subheading);
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.summary-card .metric-val {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-white);
}

.summary-card .metric-lbl {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Alert Message Box */
.warning-alert {
    display: flex;
    gap: 16px;
    background-color: var(--warning-bg);
    border: 1px solid var(--warning-border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 28px;
}

.alert-icon {
    color: var(--warning);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.alert-text {
    font-size: 0.92rem;
    color: #b45309;
    line-height: 1.55;
}

[data-theme="dark"] .alert-text {
    color: var(--warning);
    filter: brightness(0.9);
}

.alert-text strong {
    color: #92400e;
}

[data-theme="dark"] .alert-text strong {
    color: var(--text-white);
}

/* Data Tables */
.table-scroll-container {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.4);
    margin-bottom: 32px;
}

[data-theme="dark"] .table-scroll-container {
    background: rgba(0, 0, 0, 0.15);
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.leaderboard-table th, 
.leaderboard-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.leaderboard-table th {
    background: rgba(0, 0, 0, 0.02);
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

[data-theme="dark"] .leaderboard-table th {
    background: rgba(0, 0, 0, 0.08);
}

.leaderboard-table tbody tr {
    transition: var(--transition);
}

.leaderboard-table tbody tr:hover {
    background: rgba(0, 0, 0, 0.01);
}

[data-theme="dark"] .leaderboard-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.015);
}

.leaderboard-table td.num-col,
.leaderboard-table th.num-col {
    text-align: right;
    font-family: var(--font-mono);
}

/* Sub-selection Selector Buttons */
.subsection-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 16px;
}

.framework-selectors, 
.agent-selectors {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.selector-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: var(--font-heading);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.selector-btn:hover {
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-white);
}

[data-theme="dark"] .selector-btn:hover {
    background: rgba(255, 255, 255, 0.02);
}

.selector-btn.active {
    color: #0369a1;
    background: rgba(14, 165, 233, 0.07);
    border-color: rgba(14, 165, 233, 0.3);
}

[data-theme="dark"] .selector-btn.active {
    color: var(--accent);
    background: var(--accent-glow);
    border-color: rgba(14, 165, 233, 0.35);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Badges for Pass/Fail */
.badge-pass {
    display: inline-flex;
    align-items: center;
    background-color: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--font-heading);
}

.badge-fail {
    display: inline-flex;
    align-items: center;
    background-color: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--font-heading);
}

.badge-ref {
    display: inline-flex;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-family: var(--font-mono);
}

/* Task Explorer Grid */
.task-explorer-area {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 28px;
    min-height: 520px;
}

.task-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-height: 520px;
    overflow-y: auto;
    padding-right: 8px;
}

.task-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.task-card:hover {
    background: var(--bg-surface);
    border-color: rgba(168, 85, 247, 0.2);
}

.task-card.active {
    color: #7e22ce;
    background: rgba(168, 85, 247, 0.06);
    border-color: rgba(168, 85, 247, 0.3);
}

[data-theme="dark"] .task-card.active {
    color: var(--text-white);
    background: var(--purple-glow);
    border-color: rgba(168, 85, 247, 0.35);
    box-shadow: 0 0 15px var(--purple-glow);
}

.task-card-id {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: #9333ea;
    font-weight: 600;
    margin-bottom: 4px;
    display: block;
}

[data-theme="dark"] .task-card-id {
    color: var(--purple);
}

.task-card-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-white);
    line-height: 1.4;
}

/* Task Details Panel */
.task-details-panel {
    border-radius: 12px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 480px;
}

.panel-empty-state {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    gap: 16px;
    padding: 40px;
    flex: 1;
}

.panel-empty-state p {
    font-size: 0.95rem;
    max-width: 240px;
    line-height: 1.5;
}

.panel-content.hidden {
    display: none;
}

.task-details-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 24px;
}

.task-detail-id {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #9333ea;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 6px;
}

[data-theme="dark"] .task-detail-id {
    color: var(--purple);
}

.task-detail-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1.35;
}

.task-detail-body {
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex: 1;
}

.detail-section h4 {
    font-family: var(--font-subheading);
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.03em;
}

.detail-section p {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.65;
}

.detail-links {
    margin-top: auto;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.github-link-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: var(--font-heading);
    font-weight: 500;
    transition: var(--transition);
}

.github-link-btn:hover {
    background: var(--bg-surface);
    border-color: var(--text-secondary);
    color: var(--text-white);
}

/* Quick Start Terminal UI */
.terminal-container {
    background-color: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: background-color 0.3s ease;
}

.terminal-header {
    background: var(--terminal-header);
    border-bottom: 1px solid var(--border-color);
    height: 40px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    position: relative;
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

.terminal-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.terminal-tabs {
    display: flex;
    background: var(--terminal-tab-bg);
    border-bottom: 1px solid var(--border-color);
}

.term-tab-btn {
    background: transparent;
    border: none;
    border-right: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 10px 18px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    cursor: pointer;
    transition: var(--transition);
}

.term-tab-btn:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.01);
}

.term-tab-btn.active {
    color: var(--accent);
    background: var(--terminal-bg);
    border-bottom: 1px solid transparent;
}

.terminal-body {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: #cbd5e1;
    min-height: 200px;
}

[data-theme="dark"] .terminal-body {
    color: #e2e8f0;
}

.term-content {
    display: none;
}

.term-content.active {
    display: block;
}

.term-line {
    margin-bottom: 8px;
    word-break: break-all;
}

.term-prompt {
    color: #10b981;
    margin-right: 8px;
    user-select: none;
}

.term-cmd {
    color: #f8fafc;
}

[data-theme="dark"] .term-cmd {
    color: #f1f5f9;
}

.term-cmd[style*="comment"], 
.term-line:first-child .term-cmd {
    color: var(--text-muted);
}

.term-info {
    margin-top: 16px;
    color: var(--text-muted);
    border-left: 2px solid rgba(14, 165, 233, 0.3);
    padding-left: 12px;
    font-size: 0.8rem;
    line-height: 1.5;
}

.terminal-copy-btn {
    position: absolute;
    bottom: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #cbd5e1;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: var(--transition);
}

[data-theme="dark"] .terminal-copy-btn {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    color: #94a3b8;
}

.terminal-copy-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
}

/* Citation & Bibtex style */
.citation-container {
    max-width: 900px;
}

.citation-block {
    position: relative;
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    margin-top: 20px;
}

.citation-block pre {
    margin: 0;
    overflow-x: auto;
}

.citation-block code {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--text-primary);
}

.citation-copy-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: var(--transition);
}

.citation-copy-btn:hover {
    background: var(--bg-surface);
    color: var(--text-white);
    border-color: var(--text-secondary);
}

/* Footer styling */
.footer {
    background: var(--bg-surface-solid);
    border-top: 1px solid var(--border-color);
    padding: 32px 24px;
    margin-top: 60px;
    transition: background-color 0.3s ease;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--text-secondary);
}

/* Responsive Grid/Breakpoints */
@media (max-width: 992px) {
    .fig-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .fig-img-area {
        order: 1;
    }
    .fig-desc-area {
        order: 2;
    }
    .task-explorer-area {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .task-grid {
        max-height: 320px;
    }
    .task-details-panel {
        min-height: auto;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
    .hero-subtitle-gradient {
        font-size: 1.3rem;
    }
    .nav-links {
        display: none;
    }
    .section-container {
        padding: 40px 16px;
    }
    .info-panel {
        padding: 24px;
    }
    .task-grid {
        grid-template-columns: 1fr;
    }
}