/* ==========================================================================
   Multimodel Analysis Package — Enterprise Glassmorphism Design System
   Author: Uditya Narayan Tiwari (udityamerit)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Color Palette - Light Theme (Default) */
    --bg-obsidian: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.85);
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-border-hover: rgba(6, 182, 212, 0.5);
    
    /* Brand Accents */
    --accent-cyan: #0284c7;
    --accent-cyan-glow: rgba(6, 182, 212, 0.35);
    --accent-emerald: #059669;
    --accent-emerald-glow: rgba(16, 185, 129, 0.35);
    --accent-violet: #7c3aed;
    --accent-rose: #e11d48;
    --accent-amber: #d97706;
    --accent-gradient: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
    --hero-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    
    /* Typography Colors */
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #94a3b8;
    --text-on-accent: #ffffff;

    /* Code & Tables */
    --code-bg: #f1f5f9;
    --code-header: #e2e8f0;
    --table-header: #e2e8f0;
    --table-row-even: rgba(0, 0, 0, 0.02);
    --table-row-hover: rgba(6, 182, 212, 0.08);

    /* Shadows & Transitions */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 25px var(--accent-cyan-glow);
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout Dimensions */
    --navbar-height: 72px;
    --sidebar-width: 280px;
}

/* Dark Theme Override */
[data-theme="dark"] {
    --bg-obsidian: #0b0f19;
    --bg-surface: #111827;
    --bg-card: rgba(17, 24, 39, 0.75);
    --glass-bg: rgba(15, 23, 42, 0.85);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(6, 182, 212, 0.4);
    
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-violet: #8b5cf6;
    --accent-rose: #f43f5e;
    --accent-amber: #f59e0b;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --text-on-accent: #0f172a;

    --code-bg: #090e17;
    --code-header: #131d2e;
    --table-header: #162032;
    --table-row-even: rgba(255, 255, 255, 0.02);
    --table-row-hover: rgba(6, 182, 212, 0.06);

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Base & Reset Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--navbar-height) + 24px);
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-obsidian);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-obsidian);
}
::-webkit-scrollbar-thumb {
    background: var(--text-dim);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* ==========================================================================
   Layout & Grid Structure
   ========================================================================== */
.app-container {
    display: flex;
    min-height: 100vh;
    padding-top: var(--navbar-height);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px 6% 80px 6%;
    max-width: 1320px;
}

@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
        padding: 24px 5% 60px 5%;
    }
}

/* ==========================================================================
   Navigation Bar (Header)
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4%;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.25rem;
}

.brand-logo {
    width: 42px;
    height: 42px;
    background: var(--accent-gradient);
    padding: 2px; /* 2px gradient border ring around logo badge */
    border-radius: 50%; /* Precision circular badge shape */
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px var(--accent-cyan-glow);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    flex-shrink: 0;
    overflow: hidden;
}

.brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Fills badge frame edge-to-edge cleanly */
    border-radius: 50%; /* Matches circular badge mask */
    background: var(--code-header); /* Theme adaptive fallback background */
    display: block;
}

.nav-brand:hover .brand-logo {
    transform: scale(1.08) rotate(4deg);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}



/* Nav Buttons & Badges */
.btn-icon {
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-main);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--table-row-hover);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.nav-link-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-pypi {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn-pypi:hover {
    background: var(--accent-emerald);
    color: #fff;
    box-shadow: 0 4px 12px var(--accent-emerald-glow);
}

.btn-github {
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.btn-github:hover {
    border-color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.btn-analytics {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.btn-analytics:hover {
    background: var(--accent-cyan);
    color: #fff;
    box-shadow: 0 4px 12px var(--accent-cyan-glow);
}

/* Hamburger Menu (Mobile) */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 1024px) {
    .mobile-toggle {
        display: block;
    }
    .search-box {
        display: none;
    }
}

/* ==========================================================================
   Sidebar Navigation
   ========================================================================== */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-obsidian);
    border-right: 1px solid var(--glass-border);
    padding: 24px 16px;
    overflow-y: auto;
    z-index: 900;
    transition: transform var(--transition-smooth);
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 8px;
    padding-left: 12px;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    color: var(--text-main);
    background: var(--table-row-hover);
    transform: translateX(4px);
}

.sidebar-link.active {
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    font-weight: 600;
    border-left: 3px solid var(--accent-cyan);
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    padding: 60px 0 80px 0;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 60px;
    overflow: hidden;
}

/* Background Glow Orb */
.hero::before {
    content: '';
    position: absolute;
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 350px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 70%);
    filter: blur(60px);
    z-index: -1;
}

.badge-version {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(6, 182, 212, 0.2);
    margin-bottom: 24px;
    animation: fadeInDown 0.6s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 20px;
}

.gradient-text {
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--text-muted);
    max-width: 760px;
    margin: 0 auto 36px auto;
    font-weight: 400;
}

/* =====================================================================
   INSTALLATION HUB — Hero Terminal Switcher
   ===================================================================== */
.install-hub {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 680px;
    margin: 0 auto 44px auto;
    gap: 0;
}

.install-tab-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-bottom: none;
    border-radius: 12px 12px 0 0;
    padding: 6px 6px 0;
    width: 100%;
}

.install-tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 9px 16px;
    border-radius: 8px 8px 0 0;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 7px;
    letter-spacing: 0.01em;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
}

.install-tab:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}

.install-tab.active {
    color: var(--accent-cyan);
    background: var(--code-bg);
    border-bottom: 2px solid var(--accent-cyan);
    box-shadow: 0 -1px 0 0 var(--accent-cyan);
}

.install-panel {
    width: 100%;
    background: var(--code-bg);
    border: 1px solid var(--glass-border);
    border-radius: 0 0 12px 12px;
    overflow: hidden;
}

.install-panel-top {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--code-header);
    border-bottom: 1px solid var(--glass-border);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.dot-red    { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green  { background: #28c840; }

.terminal-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 0.03em;
}

.terminal-body {
    padding: 18px 20px;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 12px;
}

.terminal-prompt {
    color: var(--accent-emerald);
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    font-weight: 600;
    user-select: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.install-cmd {
    font-family: 'Fira Code', monospace;
    color: var(--text-main);
    font-size: 0.95rem;
    user-select: all;
    flex: 1;
    overflow-x: auto;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.terminal-copy {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.terminal-copy:hover {
    background: var(--accent-cyan);
    color: #000;
    border-color: var(--accent-cyan);
}

.install-hint {
    padding: 10px 20px 14px;
    font-size: 0.82rem;
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
    line-height: 1.5;
    margin: 0;
}

.install-hint code {
    font-family: 'Fira Code', monospace;
    font-size: 0.82rem;
    color: var(--accent-amber);
    background: rgba(245, 158, 11, 0.1);
    padding: 1px 5px;
    border-radius: 3px;
}

/* =====================================================================
   PLATFORM INSTALLATION CARDS (Full Section)
   ===================================================================== */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.platform-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.platform-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--glass-border-hover);
}

.platform-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    position: relative;
}

.platform-windows { background: linear-gradient(135deg, #0078d4, #106ebe); }
.platform-mac     { background: linear-gradient(135deg, #555, #1c1c1e); }
.platform-linux   { background: linear-gradient(135deg, #e95420, #c94017); }
.platform-conda   { background: linear-gradient(135deg, #44a833, #2d7d23); }
.platform-docker  { background: linear-gradient(135deg, #2496ed, #1171c4); }

.platform-icon-wrap {
    width: 46px;
    height: 46px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.platform-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.platform-sub {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
    font-weight: 400;
}

.platform-badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 20px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 0.3);
    white-space: nowrap;
}

.platform-badge-emerald {
    background: rgba(16, 185, 129, 0.25);
    border-color: rgba(16, 185, 129, 0.4);
}

.platform-card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
}

.platform-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Code Block Pro */
.code-block-pro {
    background: var(--code-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    overflow: hidden;
}

.code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: var(--code-header);
    border-bottom: 1px solid var(--glass-border);
}

.code-lang-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.btn-copy-pro {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 3px 10px;
    border-radius: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.btn-copy-pro:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: #000;
}

.code-content {
    padding: 14px 16px;
    margin: 0;
    font-family: 'Fira Code', monospace;
    font-size: 0.82rem;
    line-height: 1.8;
    color: var(--text-main);
    overflow-x: auto;
    white-space: pre;
}

.code-prompt {
    color: var(--accent-emerald);
    font-weight: 600;
    user-select: none;
}

.inline-code {
    font-family: 'Fira Code', monospace;
    font-size: 0.85em;
    color: var(--accent-amber);
    background: rgba(245, 158, 11, 0.1);
    padding: 1px 6px;
    border-radius: 4px;
}

/* System Requirements Bar */
.install-requirements {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-top: 24px;
    padding: 16px 20px;
    background: rgba(6, 182, 212, 0.05);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 12px;
}

.req-icon {
    color: var(--accent-cyan);
    flex-shrink: 0;
    margin-top: 2px;
}

.req-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.req-content strong {
    font-size: 0.9rem;
    color: var(--text-main);
    white-space: nowrap;
}

.req-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.req-pill {
    background: var(--code-header);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.25);
    font-family: 'Fira Code', monospace;
    font-size: 0.78rem;
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.install-cmd {
    font-family: 'Fira Code', monospace;
    color: var(--accent-emerald);
    font-size: 1rem;
    user-select: all;
}

.btn-copy {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-copy:hover {
    background: var(--accent-cyan);
    color: #000;
}

/* Stats Badges Row */
.stats-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 16px 28px;
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(12px);
    transition: transform var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan);
}

.stat-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    display: block;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   Content Sections & Cards
   ========================================================================== */
.section {
    margin-bottom: 70px;
    scroll-margin-top: 90px;
}

.section-header {
    margin-bottom: 32px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 28px;
    background: var(--accent-gradient);
    border-radius: 4px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(12px);
    transition: all var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.feature-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   Interactive Benchmarking Simulator (Playground)
   ========================================================================== */
.playground-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.playground-header {
    background: var(--code-header);
    padding: 16px 24px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.playground-title {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.playground-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.control-select {
    background: var(--bg-obsidian);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}

.btn-run {
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--accent-cyan-glow);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-run:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

.btn-run:active {
    transform: translateY(0);
}

.playground-body {
    padding: 24px;
}

/* Active Dataset Info Banner */
.dataset-info-box {
    background: var(--code-bg);
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--accent-cyan);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 24px;
    box-shadow: inset 0 0 20px rgba(6, 182, 212, 0.05);
}

/* Custom Styled Range Sliders for Light and Dark Mode */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--code-header);
    border-radius: 4px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: currentColor;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    border: 2px solid var(--bg-surface);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: currentColor;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    border: 2px solid var(--bg-surface);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.15);
}

.ds-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 8px;
}

.ds-icon {
    font-size: 1.2rem;
}

.ds-badge {
    font-size: 0.75rem;
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.ds-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 12px;
}

/* Simulation Progress */
.sim-progress {
    display: none;
    margin-bottom: 24px;
}

.sim-progress.active {
    display: block;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--bg-obsidian);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    width: 0%;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Simulation Leaderboard Table */
.table-responsive {
    overflow-x: auto;
}

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

.data-table th {
    background: var(--table-header);
    color: var(--text-main);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 2px solid var(--glass-border);
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-muted);
}

.data-table tr:hover td {
    background: var(--table-row-hover);
    color: var(--text-main);
}

.rank-badge {
    display: inline-block;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    text-align: center;
    line-height: 26px;
    font-weight: 700;
    font-size: 0.8rem;
}

.rank-1 { background: rgba(16, 185, 129, 0.2); color: var(--accent-emerald); border: 1px solid var(--accent-emerald); }
.rank-2 { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); }
.rank-3 { background: rgba(139, 92, 246, 0.2); color: var(--accent-violet); }

.model-name {
    font-weight: 600;
    color: var(--text-main);
}

.score-highlight {
    color: var(--accent-emerald);
    font-weight: 700;
    font-family: 'Fira Code', monospace;
}

/* ==========================================================================
   Tabbed Code Showcase
   ========================================================================== */
.code-showcase {
    background: var(--code-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-smooth);
}

.code-header-tabs {
    background: var(--code-header);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 16px;
    border-bottom: 1px solid var(--glass-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab-list {
    display: flex;
    gap: 4px;
}

.code-tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 14px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.code-tab:hover {
    color: var(--text-main);
}

.code-tab.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.05);
}

.showcase-body {
    position: relative;
    padding: 0;
    margin: 0;
    background: var(--code-bg);
}

.code-pane {
    display: none;
    animation: fadeIn 0.25s ease;
}

.code-pane.active {
    display: block;
}

/* Clean, zero-collapse pre & code block formatting */
.code-pane pre {
    margin: 0;
    padding: 48px 24px 20px 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
    box-sizing: border-box;
    background: transparent;
    border: none;
}

.code-pane pre code {
    display: block;
    margin: 0;
    padding: 0;
    background: transparent;
    font-family: 'Fira Code', monospace;
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-main);
    white-space: pre;
}

.code-copy-btn {
    position: absolute;
    top: 14px;
    right: 16px;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(8px);
}

.code-copy-btn:hover {
    color: #000;
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 12px var(--accent-cyan-glow);
}

/* Syntax Highlighting Mock */
.kw { color: #f43f5e; font-weight: 600; }
.fn { color: #06b6d4; }
.str { color: #10b981; }
.com { color: #64748b; font-style: italic; }
.var { color: #f8fafc; }
.num { color: #8b5cf6; }

/* ==========================================================================
   Diagnostic Visualizations Gallery
   ========================================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    width: 100%;
}

.gallery-item {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.gallery-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan);
    box-shadow: 0 8px 24px var(--accent-cyan-glow);
}

.gallery-img-box {
    width: 100%;
    height: 220px;
    background: var(--code-bg);
    background-image: radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 75%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    padding: 12px;
    box-sizing: border-box;
}

.gallery-caption {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.gallery-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-main);
}

.gallery-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin: 0;
}

/* Simulated Charts (SVG / CSS Mockups) */
.chart-mock {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-mock svg {
    width: 100%;
    height: 100%;
    max-height: 100%;
    object-fit: contain;
    overflow: visible;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--glass-border);
    padding: 48px 6% 32px 6%;
    margin-left: var(--sidebar-width);
    text-align: center;
}

@media (max-width: 1024px) {
    .footer {
        margin-left: 0;
    }
}

.footer-content {
    max-width: 1320px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-link {
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent-emerald);
    text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    align-items: center;
}

/* ==========================================================================
   Comprehensive Device Responsiveness (Laptops, Tablets, Mobiles)
   ========================================================================== */

/* Global Device Overflow & Box-Sizing Protection */
html, body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
    width: 100%;
    position: relative;
}

*, *::before, *::after {
    box-sizing: border-box !important;
}

.main-content, .section, .playground-card, .playground-body, .table-responsive, 
.code-showcase, .code-content, .gallery-item, .gallery-grid, .feature-grid, 
.calc-grid, .calc-metrics-grid, .hero, .navbar, .footer {
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
}

/* Touch-friendly Table Scrolling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    display: block;
}

.data-table th, .data-table td {
    white-space: nowrap;
}

svg {
    max-width: 100%;
    height: auto;
}

/* 1. Medium Screens / Laptops & Tablets Landscape (max-width: 1024px) */
@media (max-width: 1024px) {
    .main-content {
        padding: 24px 4% 60px 4%;
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .stats-row {
        gap: 16px;
    }
    /* Hide PePy and GitHub in top navbar on <= 1024px; accessible via slide-out drawer */
    .navbar .btn-analytics, .navbar .btn-github {
        display: none !important;
    }
    .sidebar {
        max-width: 85vw;
    }
}

/* 2. Tablets Portrait & Small Laptops (max-width: 768px) */
@media (max-width: 768px) {
    .navbar {
        padding: 0 16px;
    }
    .nav-brand span {
        font-size: 1.1rem;
    }
    .nav-controls {
        gap: 8px;
    }
    .nav-link-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    .hero {
        padding: 40px 0 60px 0;
        margin-bottom: 40px;
    }
    .hero-title {
        font-size: 2.3rem;
    }
    .hero-subtitle {
        font-size: 1.05rem;
        padding: 0 10px;
        margin-bottom: 28px;
    }
    .install-box {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        padding: 12px 16px;
        width: 100%;
        max-width: 500px;
        margin: 0 auto 32px auto;
    }
    .install-cmd {
        font-size: 0.9rem;
        word-break: break-all;
    }
    .stats-row {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }
    .stat-card {
        padding: 14px 12px;
    }
    .stat-val {
        font-size: 1.3rem;
    }
    .feature-grid,
    .gallery-grid,
    .calc-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 16px;
    }
    .platform-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }
    .calc-metrics-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .feature-card {
        padding: 20px;
    }
    .playground-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 16px;
    }
    .playground-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .control-group {
        justify-content: space-between;
        width: 100%;
        flex-wrap: wrap;
    }
    .control-select {
        flex: 1;
        min-width: 180px;
        max-width: 100%;
    }
    .btn-run {
        width: 100%;
        justify-content: center;
    }
    .playground-body {
        padding: 16px;
    }
    .ds-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    .data-table th, .data-table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    .code-header-tabs {
        padding: 0 8px;
    }
    .code-tab {
        padding: 12px 14px;
        font-size: 0.8rem;
    }
    .code-pane pre {
        padding: 16px;
        font-size: 0.82rem;
    }
    .footer {
        padding: 36px 4% 24px 4%;
    }
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}

/* 3. Mobile Phones (max-width: 600px) */
@media (max-width: 600px) {
    .main-content {
        padding: 16px 3% 40px 3%;
    }
    .nav-brand span {
        display: inline-block !important;
        font-size: 0.92rem;
        font-weight: 700;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 200px;
    }
    .brand-logo {
        width: 34px;
        height: 34px;
        font-size: 1rem;
    }
    /* Hide all top navbar external buttons on mobile phones; accessible via sidebar drawer */
    .navbar .btn-analytics, .navbar .btn-pypi, .navbar .btn-github {
        display: none !important;
    }
    .hero-title {
        font-size: 1.8rem;
    }
    .hero-subtitle {
        font-size: 0.95rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .section-desc {
        font-size: 0.92rem;
    }
    .feature-grid,
    .gallery-grid,
    .calc-grid,
    .platform-grid,
    .calc-metrics-grid {
        grid-template-columns: 1fr !important;
    }
    .data-table {
        font-size: 0.78rem;
    }
    .data-table th, .data-table td {
        padding: 8px 6px;
    }
    .rank-badge {
        width: 22px;
        height: 22px;
        line-height: 22px;
        font-size: 0.75rem;
    }
    .control-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .control-select {
        width: 100%;
    }
}

/* 4. Small Phones & Narrow Screens (max-width: 400px) */
@media (max-width: 400px) {
    .nav-brand span {
        display: inline-block !important;
        font-size: 0.85rem;
        font-weight: 700;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 150px;
    }
    .hero-title {
        font-size: 1.5rem;
    }
    .stats-row {
        grid-template-columns: 1fr;
    }
    .install-box {
        padding: 8px 10px;
        flex-direction: column;
        text-align: center;
    }
    .install-cmd {
        font-size: 0.82rem;
    }
    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
}

/* ==========================================================================
   API Reference Table Interactive Links & Code Example Modal
   ========================================================================== */

/* Interactive Method Link Button in API Table */
.api-method-link {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--accent-cyan, #06b6d4);
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    text-align: left;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.15s ease, transform 0.15s ease;
}

.api-method-link:hover {
    color: var(--accent-cyan, #06b6d4);
    text-decoration: underline;
    transform: translateX(2px);
}

.api-method-link code {
    font-weight: 700;
    cursor: pointer;
}

.api-note-banner {
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-left: 4px solid var(--accent-cyan, #06b6d4);
    border-radius: 12px;
    padding: 14px 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: inset 0 0 20px rgba(6, 182, 212, 0.04);
}

.api-row {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.api-row:hover {
    background-color: var(--hover-row, rgba(2, 132, 199, 0.04));
}

/* Modal Overlay Backdrop */
.api-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.api-modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Modal Card Box */
.api-modal-card {
    background: var(--bg-surface, #ffffff);
    border: 1px solid var(--glass-border, #e2e8f0);
    border-radius: 20px;
    max-width: 680px;
    width: 100%;
    padding: 28px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.1);
    transform: scale(0.92) translateY(10px);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.api-modal-overlay.active .api-modal-card {
    transform: scale(1) translateY(0);
}

/* Modal Header & Tag */
.api-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 12px;
}

.api-modal-tag {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-primary, #0284c7);
    margin-bottom: 6px;
}

.api-modal-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-main, #0f172a);
    margin: 0;
    font-family: var(--font-mono, monospace);
    line-height: 1.2;
}

.api-modal-close {
    background: var(--code-header, #f1f5f9);
    border: 1px solid var(--glass-border, #cbd5e1);
    color: var(--text-muted, #64748b);
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.api-modal-close:hover {
    background: var(--accent-rose, #f43f5e);
    color: #ffffff;
    border-color: var(--accent-rose, #f43f5e);
    transform: rotate(90deg);
}

/* Modal Description */
.api-modal-desc {
    font-size: 0.95rem;
    color: var(--text-muted, #475569);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Code Block Container Inside Modal - Theme Responsive */
.api-modal-code-box {
    border-radius: 14px;
    overflow: hidden;
    background: var(--code-bg, #f8fafc);
    border: 1px solid var(--glass-border, #cbd5e1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.api-modal-code-header {
    padding: 10px 16px;
    background: var(--code-header, #e2e8f0);
    border-bottom: 1px solid var(--glass-border, #cbd5e1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

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

.api-modal-code-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

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

.api-modal-code-header .code-lang {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-muted, #64748b);
    margin-left: 6px;
}

.code-modal-copy-btn {
    background: var(--bg-surface, #ffffff);
    border: 1px solid var(--glass-border, #cbd5e1);
    color: var(--text-main, #0f172a);
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.code-modal-copy-btn:hover {
    background: var(--accent-primary, #0284c7);
    color: #ffffff !important;
    border-color: var(--accent-primary, #0284c7);
}

.api-modal-code-body {
    position: relative;
    padding: 18px 20px;
    background: var(--code-bg, #f8fafc);
    border-left: 4px solid var(--accent-primary, #0284c7);
    overflow-x: auto;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.api-modal-code-body pre {
    margin: 0;
    font-family: 'Fira Code', Consolas, Monaco, monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-main, #0f172a); /* High contrast theme text */
}

.api-modal-code-body code {
    background: transparent;
    padding: 0;
    color: inherit;
    font-family: inherit;
}

/* Syntax Highlighting Tokens - Light Mode Default */
.api-modal-code-body .kw  { color: #dc2626; font-weight: 700; } /* Keywords: from, import, def, return */
.api-modal-code-body .cls { color: #0284c7; font-weight: 600; } /* Class Names & Types: MultiModelClassifier */
.api-modal-code-body .fn  { color: #7c3aed; font-weight: 600; } /* Functions & Methods: plot_comparison, print */
.api-modal-code-body .var { color: #334155; }                   /* Variables & Params: save_path, X_train, reg, clf */
.api-modal-code-body .str { color: #0369a1; }                   /* Strings: "..." */
.api-modal-code-body .num { color: #c2410c; font-weight: 600; } /* Numbers & Booleans: True, False, 42, 0.2 */
.api-modal-code-body .cm  { color: #64748b; font-style: italic; } /* Comments: # ... */
.api-modal-code-body .op  { color: #475569; }                   /* Operators: =, ,, (, ) */

/* Syntax Highlighting Tokens - Dark Mode Overrides */
[data-theme="dark"] .api-modal-code-body pre {
    color: #f8fafc;
}
[data-theme="dark"] .api-modal-code-body .kw  { color: #f43f5e; }
[data-theme="dark"] .api-modal-code-body .cls { color: #34d399; }
[data-theme="dark"] .api-modal-code-body .fn  { color: #c084fc; }
[data-theme="dark"] .api-modal-code-body .var { color: #93c5fd; }
[data-theme="dark"] .api-modal-code-body .str { color: #38bdf8; }
[data-theme="dark"] .api-modal-code-body .num { color: #fbbf24; }
[data-theme="dark"] .api-modal-code-body .cm  { color: #94a3b8; }
[data-theme="dark"] .api-modal-code-body .op  { color: #cbd5e1; }

/* ==========================================================================
   Mobile Responsiveness for Code Blocks, Modals & Terminals
   ========================================================================== */

/* Universal Code Box Overflow & Touch Scroll Guards */
pre, code, .code-content, .install-cmd, .api-modal-code-body {
    max-width: 100%;
    box-sizing: border-box;
}

pre::-webkit-scrollbar,
.code-content::-webkit-scrollbar,
.api-modal-code-body::-webkit-scrollbar,
.install-tab-bar::-webkit-scrollbar,
.code-header-tabs::-webkit-scrollbar {
    height: 6px;
    width: 6px;
}

pre::-webkit-scrollbar-thumb,
.code-content::-webkit-scrollbar-thumb,
.api-modal-code-body::-webkit-scrollbar-thumb,
.install-tab-bar::-webkit-scrollbar-thumb,
.code-header-tabs::-webkit-scrollbar-thumb {
    background: rgba(6, 182, 212, 0.3);
    border-radius: 4px;
}

pre::-webkit-scrollbar-track,
.code-content::-webkit-scrollbar-track,
.api-modal-code-body::-webkit-scrollbar-track {
    background: transparent;
}

/* Tablet & Mobile Breakpoint (<= 768px) */
@media (max-width: 768px) {
    /* Showcase Code Tabs */
    .code-header-tabs {
        padding: 0 4px;
    }
    .code-tab {
        padding: 10px 14px;
        font-size: 0.78rem;
        flex-shrink: 0;
    }
    .code-pane pre {
        padding: 44px 14px 14px 14px;
    }
    .code-pane pre code {
        font-size: 0.8rem;
        line-height: 1.55;
    }
    .code-copy-btn {
        top: 10px;
        right: 10px;
        padding: 4px 10px;
        font-size: 0.72rem;
    }

    /* API Modal Card Responsiveness */
    .api-modal-overlay {
        padding: 12px;
    }
    .api-modal-card {
        padding: 16px;
        border-radius: 14px;
        max-width: 100%;
        width: calc(100vw - 24px);
        max-height: 88vh;
        margin: 0 auto;
    }
    .api-modal-title {
        font-size: 1.15rem;
        word-break: break-word;
    }
    .api-modal-desc {
        font-size: 0.85rem;
        margin-bottom: 14px;
    }
    .api-modal-code-header {
        padding: 8px 12px;
    }
    .api-modal-code-body {
        padding: 12px;
    }
    .api-modal-code-body pre {
        font-size: 0.78rem;
        line-height: 1.5;
    }

    /* Installation Terminal Responsiveness */
    .install-hub {
        max-width: 100%;
    }
    .install-tab-bar {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding: 4px 4px 0 4px;
    }
    .install-tab {
        padding: 7px 10px;
        font-size: 0.75rem;
        flex-shrink: 0;
    }
    .terminal-body {
        padding: 12px 14px;
    }
    .terminal-line {
        gap: 8px;
    }
    .terminal-prompt {
        font-size: 0.8rem;
    }
    .install-cmd {
        font-size: 0.8rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Small Mobile Phones (<= 480px) */
@media (max-width: 480px) {
    .code-pane pre {
        padding: 42px 10px 12px 10px;
    }
    .code-pane pre code {
        font-size: 0.75rem;
    }
    .api-modal-card {
        padding: 14px 12px;
    }
    .api-modal-title {
        font-size: 1.05rem;
    }
    .api-modal-code-body {
        padding: 10px 8px;
    }
    .api-modal-code-body pre {
        font-size: 0.74rem;
        line-height: 1.45;
    }
    .terminal-line {
        flex-direction: column;
        align-items: flex-start;
    }
    .terminal-copy {
        align-self: flex-end;
        margin-top: 4px;
    }
}