/* ============================================
   Ancient Ruins Garden Lab - Stylesheet
   Theme: Ancient Botanist
   ============================================ */

/* ============================================
   CSS Custom Properties - Ancient Theme
   ============================================ */

:root {
    /* Stone & Ruins */
    --stone-dark: #4a4543;
    --stone-medium: #8b8178;
    --stone-light: #c4bdb5;
    --moss-accent: #5a7247;

    /* Botanical Garden */
    --vine-green: #3d6b35;
    --leaf-bright: #7cb342;
    --flower-gold: #d4a857;
    --herb-sage: #9caf88;

    /* Lab Equipment */
    --copper-patina: #5c8a7a;
    --glass-blue: #a8d4e6;
    --liquid-amber: #e6a847;

    /* Atmosphere */
    --mist: rgba(255, 255, 255, 0.1);
    --shadow-ancient: rgba(74, 69, 67, 0.6);
    --glow-mystical: rgba(212, 168, 87, 0.3);

    /* Backgrounds */
    --bg-primary: #f5f2ed;
    --bg-secondary: #ede9e3;
    --bg-card: #faf8f5;
    --bg-dark: #3d3835;

    /* Text */
    --text-primary: #3d2c1e;
    --text-secondary: #5c4a3d;
    --text-muted: #8b7355;
    --text-inverse: #faf8f5;

    /* Borders */
    --border-light: #e5ddd3;
    --border-medium: #d4c9bc;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Typography */
    --font-display: 'Cinzel', 'Playfair Display', Georgia, serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(74, 69, 67, 0.12);
    --shadow-md: 0 4px 6px rgba(74, 69, 67, 0.15);
    --shadow-lg: 0 10px 20px rgba(74, 69, 67, 0.2);
    --shadow-xl: 0 20px 40px rgba(74, 69, 67, 0.25);
}

/* ============================================
   Base Styles
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

body.ancient-lab-body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* ============================================
   Ambient Background Layer
   ============================================ */

.ambient-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.mist-layer {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(156, 175, 136, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 168, 87, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: mistFloat 20s ease-in-out infinite;
}

@keyframes mistFloat {
    0%, 100% { opacity: 0.6; transform: translateX(0); }
    50% { opacity: 0.8; transform: translateX(-20px); }
}

.pollen-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.pollen {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--flower-gold);
    border-radius: 50%;
    opacity: 0.4;
    animation: pollenFloat 15s ease-in-out infinite;
}

@keyframes pollenFloat {
    0% { transform: translateY(100vh) translateX(0) rotate(0deg); opacity: 0; }
    10% { opacity: 0.4; }
    90% { opacity: 0.4; }
    100% { transform: translateY(-100px) translateX(50px) rotate(360deg); opacity: 0; }
}

/* ============================================
   Header & Navigation
   ============================================ */

.lab-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    margin: 0;
}

.lab-nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.back-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--vine-green);
}

.back-link svg {
    width: 18px;
    height: 18px;
}

.lab-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.lab-logo {
    width: 32px;
    height: 32px;
    color: var(--vine-green);
}

.lab-title span {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================
   Zone Navigation
   ============================================ */

.zone-nav {
    position: fixed;
    top: 53px;
    left: 0;
    right: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.zone-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-muted);
}

.zone-btn svg {
    width: 24px;
    height: 24px;
}

.zone-btn span {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.zone-btn:hover {
    color: var(--vine-green);
    background: rgba(61, 107, 53, 0.05);
}

.zone-btn.active {
    color: var(--vine-green);
    background: var(--bg-card);
    border-color: var(--vine-green);
    box-shadow: var(--shadow-sm);
}

.zone-connector {
    width: 30px;
    height: 2px;
    background: var(--border-medium);
}

/* ============================================
   Main Content
   ============================================ */

.lab-main {
    position: relative;
    z-index: 1;
    padding-top: 120px;
    min-height: 100vh;
}

/* ============================================
   Zone Base Styles
   ============================================ */

.zone {
    display: none;
    padding: var(--spacing-3xl) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    animation: zoneEnter 0.5s ease;
}

.zone.active {
    display: block;
}

@keyframes zoneEnter {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.zone-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.zone-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.zone-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.zone-hint {
    text-align: center;
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-light);
}

.zone-hint p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.zone-continue-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--vine-green) 0%, var(--moss-accent) 100%);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.zone-continue-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.zone-continue-btn svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.zone-continue-btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   ZONE 1: Garden Perimeter
   ============================================ */

.garden-layout {
    max-width: 1000px;
    margin: 0 auto;
}

.garden-beds {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.plant-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.plant-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--vine-green);
}

.plant-visual {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(156, 175, 136, 0.1) 0%, rgba(156, 175, 136, 0.05) 100%);
    padding: var(--spacing-lg);
}

.plant-illustration {
    width: 100px;
    height: 120px;
    color: var(--vine-green);
    transition: transform var(--transition-slow);
}

.plant-card:hover .plant-illustration {
    transform: scale(1.05);
}

.lotus-plant {
    color: #4a7fa8;
}

.mushroom-plant {
    color: #a78bfa;
}

.passion-plant {
    color: #8b5cf6;
}

.plant-info {
    padding: var(--spacing-lg);
}

.plant-category {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--vine-green);
    background: rgba(61, 107, 53, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.plant-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.plant-latin {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--text-muted);
}

.plant-learn-more {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.plant-learn-more:hover {
    color: var(--vine-green);
    border-color: var(--vine-green);
}

.plant-learn-more svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   ZONE 2: Ruins Entrance
   ============================================ */

.zone-ruins {
    padding-top: var(--spacing-md);
}

.ruins-atmosphere {
    position: relative;
    height: 280px;
    margin-bottom: var(--spacing-2xl);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: var(--spacing-md);
}

.ruins-arch {
    width: 100%;
    max-width: 400px;
}

.arch-svg {
    width: 100%;
    height: auto;
}

.ruins-columns {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 10%;
    pointer-events: none;
}

.column {
    position: relative;
    width: 40px;
}

.vine {
    position: absolute;
    width: 20px;
    height: 100px;
    background: linear-gradient(180deg, var(--vine-green) 0%, transparent 100%);
    opacity: 0.3;
    border-radius: 10px;
    animation: vineGrow 3s ease-in-out infinite;
}

.vine-1 { top: 20%; left: 5px; animation-delay: 0s; }
.vine-2 { top: 40%; left: 15px; animation-delay: 1s; }
.vine-3 { top: 30%; right: 5px; animation-delay: 0.5s; }

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

.ruins-content {
    position: relative;
    z-index: 1;
}

.ruins-header {
    margin-bottom: var(--spacing-3xl);
}

.ruins-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1.3;
}

.ruins-description {
    font-size: 1rem;
}

.ruins-wisdom {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.wisdom-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition-base);
}

.wisdom-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.wisdom-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 168, 87, 0.15);
    border-radius: var(--radius-lg);
    color: var(--flower-gold);
}

.wisdom-icon svg {
    width: 28px;
    height: 28px;
}

.wisdom-card h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.wisdom-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   3D Portal Section
   ============================================ */

.portal-section {
    margin: var(--spacing-4xl) 0;
    padding: var(--spacing-2xl) 0;
}

.portal-container {
    text-align: center;
}

.portal-frame {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.portal-arch {
    position: relative;
    width: 220px;
    height: 280px;
    margin: 0 auto;
}

.portal-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

/* Floating particles animation */
.portal-particle {
    animation: portalFloat 3s ease-in-out infinite;
}

.portal-particle.p1 { animation-delay: 0s; }
.portal-particle.p2 { animation-delay: 0.5s; }
.portal-particle.p3 { animation-delay: 1s; }
.portal-particle.p4 { animation-delay: 1.5s; }
.portal-particle.p5 { animation-delay: 2s; }

@keyframes portalFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-15px) scale(1.2);
        opacity: 1;
    }
}

.portal-enter {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -40%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: rgba(26, 46, 24, 0.85);
    border: 2px solid var(--vine-green);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
}

.portal-enter:hover {
    background: rgba(61, 107, 53, 0.9);
    border-color: var(--leaf-bright);
    transform: translate(-50%, -40%) scale(1.05);
    box-shadow: 0 0 30px rgba(124, 179, 66, 0.4);
}

.portal-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    color: var(--leaf-bright);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
}

.portal-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.portal-glow-ring {
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-xl);
    background: linear-gradient(45deg, transparent, var(--vine-green), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: portalPulse 2s ease-in-out infinite;
}

.portal-enter:hover .portal-glow-ring {
    opacity: 0.5;
}

@keyframes portalPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.3;
    }
}

.portal-description {
    font-size: 0.9rem;
    color: var(--text-muted);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Responsive portal */
@media (max-width: 480px) {
    .portal-arch {
        width: 180px;
        height: 230px;
    }

    .portal-enter {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .portal-text {
        font-size: 0.875rem;
    }
}

/* ============================================
   ZONE 3: Lab Interior
   ============================================ */

.lab-layout {
    max-width: 1000px;
    margin: 0 auto;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-xl);
}

.equipment-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.equipment-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--copper-patina);
}

.equipment-visual {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(92, 138, 122, 0.08) 0%, rgba(92, 138, 122, 0.02) 100%);
    padding: var(--spacing-lg);
}

.equipment-illustration {
    width: 120px;
    height: 150px;
    color: var(--copper-patina);
    transition: transform var(--transition-slow);
}

.equipment-card:hover .equipment-illustration {
    transform: scale(1.05);
}

.equipment-info {
    padding: var(--spacing-lg);
}

.equipment-tag {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--copper-patina);
    background: rgba(92, 138, 122, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.equipment-info h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.equipment-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.equipment-learn-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    border-top: 1px solid var(--border-light);
    color: var(--copper-patina);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.equipment-learn-btn:hover {
    background: rgba(92, 138, 122, 0.05);
}

.equipment-learn-btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.equipment-learn-btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   3D Lab Experience Card
   ============================================ */

.lab-3d-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(61, 107, 53, 0.1) 0%, rgba(124, 179, 66, 0.05) 100%);
    border: 1px solid var(--vine-green);
    border-radius: var(--radius-2xl);
    position: relative;
    overflow: hidden;
}

.lab-3d-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(124, 179, 66, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.lab-3d-visual {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(61, 107, 53, 0.2);
    border-radius: var(--radius-xl);
    position: relative;
}

.lab-3d-icon {
    width: 70px;
    height: 70px;
    animation: float3d 4s ease-in-out infinite;
}

@keyframes float3d {
    0%, 100% { transform: translateY(0) rotateY(0deg); }
    50% { transform: translateY(-5px) rotateY(10deg); }
}

.lab-3d-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.lab-3d-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--leaf-bright);
    margin-bottom: var(--spacing-sm);
}

.lab-3d-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.lab-3d-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--vine-green);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lab-3d-btn:hover {
    background: var(--leaf-bright);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(124, 179, 66, 0.3);
}

.lab-3d-btn svg {
    width: 16px;
    height: 16px;
}

.lab-experience-btns {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.lab-2d-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    color: var(--vine-green);
    border: 2px solid var(--vine-green);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lab-2d-btn:hover {
    background: var(--vine-green);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(61, 107, 53, 0.3);
}

.lab-2d-btn svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 600px) {
    .lab-3d-card {
        flex-direction: column;
        text-align: center;
    }

    .lab-3d-visual {
        width: 80px;
        height: 80px;
    }

    .lab-experience-btns {
        justify-content: center;
    }

    .lab-3d-icon {
        width: 50px;
        height: 50px;
    }
}

/* ============================================
   ZONE 4: Library
   ============================================ */

.library-layout {
    max-width: 1000px;
    margin: 0 auto;
}

.library-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .library-controls {
        flex-direction: row;
        align-items: center;
    }
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box svg {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--vine-green);
    box-shadow: 0 0 0 3px rgba(61, 107, 53, 0.1);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.filter-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    border-color: var(--vine-green);
    color: var(--vine-green);
}

.filter-tab.active {
    background: var(--vine-green);
    border-color: var(--vine-green);
    color: var(--text-inverse);
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.library-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    cursor: pointer;
}

.library-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--vine-green);
}

.library-card.hidden {
    display: none;
}

.library-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.library-card-icon svg {
    width: 24px;
    height: 24px;
}

.library-card-icon.plants {
    background: rgba(61, 107, 53, 0.1);
    color: var(--vine-green);
}

.library-card-icon.processes {
    background: rgba(212, 168, 87, 0.1);
    color: var(--flower-gold);
}

.library-card-icon.equipment {
    background: rgba(92, 138, 122, 0.1);
    color: var(--copper-patina);
}

.library-card-icon.research {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.library-card h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.library-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.library-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.library-card-tags span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.library-no-results {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    color: var(--text-muted);
}

.library-no-results svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ============================================
   Modal
   ============================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(61, 56, 53, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    max-width: 640px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-light);
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

/* Modal Header with Decorative Elements */
.modal-header {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    background: linear-gradient(
        135deg,
        rgba(61, 107, 53, 0.08) 0%,
        rgba(90, 114, 71, 0.05) 50%,
        transparent 100%
    );
    border-bottom: 1px solid var(--border-light);
}

.modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--vine-green) 0%,
        var(--leaf-bright) 25%,
        var(--flower-gold) 50%,
        var(--leaf-bright) 75%,
        var(--vine-green) 100%
    );
}

/* Decorative vine corner accents */
.modal-header::after {
    content: '';
    position: absolute;
    top: 12px;
    right: 60px;
    width: 60px;
    height: 60px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 60' fill='none'%3E%3Cpath d='M60 0C40 10 20 30 15 50Q10 55 5 58Q8 52 12 48C18 35 35 15 60 0Z' fill='%233d6b35' opacity='0.15'/%3E%3Ccircle cx='8' cy='55' r='3' fill='%233d6b35' opacity='0.2'/%3E%3Ccircle cx='14' cy='48' r='2' fill='%233d6b35' opacity='0.15'/%3E%3C/svg%3E") no-repeat;
    pointer-events: none;
}

.modal-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.modal-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--vine-green), var(--leaf-bright));
    opacity: 0.2;
    z-index: -1;
}

.modal-icon svg {
    width: 28px;
    height: 28px;
}

.modal-icon.plants {
    background: linear-gradient(135deg, rgba(61, 107, 53, 0.2), rgba(124, 179, 66, 0.1));
    color: var(--vine-green);
}

.modal-icon.processes {
    background: linear-gradient(135deg, rgba(212, 168, 87, 0.2), rgba(230, 168, 71, 0.1));
    color: var(--flower-gold);
}

.modal-icon.equipment {
    background: linear-gradient(135deg, rgba(92, 138, 122, 0.2), rgba(168, 212, 230, 0.1));
    color: var(--copper-patina);
}

.modal-icon.research {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(167, 139, 250, 0.1));
    color: #8b5cf6;
}

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs);
    line-height: 1.3;
}

.modal-header .modal-latin {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.modal-category-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

.modal-category-badge svg {
    width: 12px;
    height: 12px;
}

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

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    z-index: 10;
    backdrop-filter: blur(4px);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.15);
    border-color: var(--vine-green);
    color: var(--vine-green);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-body {
    padding: var(--spacing-xl) var(--spacing-2xl);
    padding-right: var(--spacing-lg);
    margin: var(--spacing-sm);
    margin-top: 0;
    overflow-y: auto;
    max-height: calc(85vh - 160px);
    border-radius: var(--radius-xl);
}

/* Content Sections */
.modal-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.modal-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.modal-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.modal-section-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(61, 107, 53, 0.1);
    color: var(--vine-green);
    flex-shrink: 0;
}

.modal-section-icon svg {
    width: 14px;
    height: 14px;
}

.modal-body h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-body h3::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-light), transparent);
    margin-left: var(--spacing-sm);
}

.modal-body p {
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

/* Info highlight box */
.modal-highlight {
    background: linear-gradient(135deg, rgba(61, 107, 53, 0.08), rgba(90, 114, 71, 0.04));
    border: 1px solid rgba(61, 107, 53, 0.2);
    border-left: 3px solid var(--vine-green);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.modal-highlight p {
    margin: 0;
    font-size: 0.875rem;
}

.modal-body ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
    padding: 0;
}

.modal-body li {
    position: relative;
    padding-left: var(--spacing-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.modal-body li::before {
    content: '';
    position: absolute;
    left: var(--spacing-xs);
    top: 0.55em;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--vine-green), var(--leaf-bright));
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(61, 107, 53, 0.15);
}

/* Alkaloid/Chemical Lists */
.modal-body .alkaloid-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.modal-body .alkaloid-item {
    background: linear-gradient(135deg, var(--bg-secondary), rgba(61, 107, 53, 0.05));
    border: 1px solid rgba(61, 107, 53, 0.15);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    color: var(--vine-green);
    text-align: center;
    transition: all var(--transition-fast);
}

.modal-body .alkaloid-item:hover {
    background: rgba(61, 107, 53, 0.1);
    border-color: var(--vine-green);
    transform: translateY(-1px);
}

/* Stats/Info Grid */
.modal-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.modal-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.modal-stat-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--vine-green);
    margin-bottom: var(--spacing-xs);
}

.modal-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Image/Visual placeholder */
.modal-visual {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--bg-secondary), rgba(61, 107, 53, 0.05));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--border-light);
    overflow: hidden;
}

.modal-visual svg {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
    opacity: 0.5;
}

/* Footer action area */
.modal-footer {
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.modal-footer-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.modal-footer-info svg {
    width: 16px;
    height: 16px;
    opacity: 0.6;
}

.modal-action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--vine-green);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-action-btn:hover {
    background: var(--moss-accent);
    transform: translateY(-1px);
}

.modal-action-btn svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   Custom Scrollbar - Ancient Theme
   ============================================ */

/* Webkit browsers (Chrome, Safari, Edge) */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 8px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(
        180deg,
        var(--vine-green) 0%,
        var(--moss-accent) 50%,
        var(--stone-medium) 100%
    );
    border-radius: 8px;
    border: 2px solid var(--bg-secondary);
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(
        180deg,
        var(--leaf-bright) 0%,
        var(--vine-green) 50%,
        var(--moss-accent) 100%
    );
}

.modal-body::-webkit-scrollbar-thumb:active {
    background: var(--flower-gold);
}

/* Firefox */
.modal-body {
    scrollbar-width: thin;
    scrollbar-color: var(--vine-green) var(--bg-secondary);
}

/* Scrollbar for zone navigation on mobile */
.zone-nav::-webkit-scrollbar {
    height: 4px;
}

.zone-nav::-webkit-scrollbar-track {
    background: transparent;
}

.zone-nav::-webkit-scrollbar-thumb {
    background: var(--stone-medium);
    border-radius: 4px;
}

.zone-nav::-webkit-scrollbar-thumb:hover {
    background: var(--vine-green);
}

/* Library content scrollbar */
.library-content::-webkit-scrollbar,
.filter-tabs::-webkit-scrollbar {
    height: 6px;
    width: 8px;
}

.library-content::-webkit-scrollbar-track,
.filter-tabs::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 6px;
}

.library-content::-webkit-scrollbar-thumb,
.filter-tabs::-webkit-scrollbar-thumb {
    background: var(--stone-medium);
    border-radius: 6px;
}

.library-content::-webkit-scrollbar-thumb:hover,
.filter-tabs::-webkit-scrollbar-thumb:hover {
    background: var(--vine-green);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .lab-nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .back-link span {
        display: none;
    }

    .lab-title span {
        font-size: 1rem;
    }

    .zone-nav {
        top: 48px;
        padding: var(--spacing-xs) var(--spacing-sm);
        justify-content: center;
        gap: var(--spacing-xs);
    }

    /* Hide connectors on mobile */
    .zone-connector {
        display: none;
    }

    .zone-btn {
        flex: 1;
        max-width: 80px;
        padding: var(--spacing-xs) var(--spacing-sm);
        flex-direction: column;
        gap: 2px;
    }

    .zone-btn svg {
        width: 18px;
        height: 18px;
    }

    .zone-btn span {
        font-size: 0.625rem;
    }

    .lab-main {
        padding-top: 115px;
    }

    .zone {
        padding: var(--spacing-xl) var(--spacing-md);
        padding-top: var(--spacing-lg);
    }

    .zone-title {
        font-size: 1.75rem;
    }

    .zone-description {
        font-size: 1rem;
    }

    .garden-beds,
    .equipment-grid,
    .library-grid {
        grid-template-columns: 1fr;
    }

    .ruins-atmosphere {
        height: 180px;
        padding-top: var(--spacing-sm);
    }

    /* Smaller title to fit inside pillars on mobile */
    .ruins-title {
        font-size: 1.1rem;
        line-height: 1.4;
        padding: 0 var(--spacing-2xl);
        margin-bottom: var(--spacing-lg);
    }

    .ruins-header {
        margin-bottom: var(--spacing-xl);
    }

    .ruins-description {
        font-size: 0.875rem;
        padding: 0 var(--spacing-sm);
        margin-top: var(--spacing-md);
    }

    .wisdom-card {
        padding: var(--spacing-lg);
    }

    .modal-content {
        max-height: 90vh;
        border-radius: var(--radius-xl);
    }

    .modal-header {
        padding: var(--spacing-lg);
        padding-bottom: var(--spacing-md);
    }

    .modal-header::after {
        display: none;
    }

    .modal-icon {
        width: 48px;
        height: 48px;
    }

    .modal-icon svg {
        width: 24px;
        height: 24px;
    }

    .modal-header h2 {
        font-size: 1.25rem;
    }

    .modal-body {
        padding: var(--spacing-lg);
        padding-right: var(--spacing-md);
        max-height: calc(90vh - 140px);
    }

    .modal-section {
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-md);
    }

    .modal-body h3 {
        font-size: 0.9375rem;
    }

    .modal-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .modal-stat {
        padding: var(--spacing-sm);
    }

    .modal-stat-value {
        font-size: 1rem;
    }

    .modal-stat-label {
        font-size: 0.65rem;
    }

    .modal-footer {
        padding: var(--spacing-md) var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .modal-close {
        top: var(--spacing-md);
        right: var(--spacing-md);
        width: 32px;
        height: 32px;
    }

    .modal-close svg {
        width: 16px;
        height: 16px;
    }

    .alkaloid-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .lab-main {
        padding-top: 105px;
    }

    .zone-nav {
        top: 44px;
        gap: 2px;
        padding: var(--spacing-xs) 4px;
    }

    .zone-btn {
        max-width: 70px;
        padding: 6px 4px;
        border-radius: var(--radius-md);
    }

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

    .zone-btn span {
        font-size: 0.5rem;
    }

    .zone-title {
        font-size: 1.5rem;
    }

    .zone-description {
        font-size: 0.9rem;
    }

    /* Even smaller ruins title for small phones */
    .ruins-title {
        font-size: 1rem;
        padding: 0 var(--spacing-2xl);
        margin-bottom: var(--spacing-md);
    }

    .ruins-description {
        margin-top: var(--spacing-lg);
    }

    .ruins-atmosphere {
        height: 160px;
    }

    .filter-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--spacing-sm);
    }

    .filter-tab {
        flex: 0 0 auto;
    }

    /* Modal adjustments for small screens */
    .modal-header {
        padding: var(--spacing-md);
    }

    .modal-icon {
        width: 40px;
        height: 40px;
    }

    .modal-header h2 {
        font-size: 1.125rem;
    }

    .modal-body {
        padding: var(--spacing-md);
        max-height: calc(90vh - 120px);
    }

    .modal-section {
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
    }
}

/* ============================================
   Reduced Motion
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .lab-header,
    .zone-nav,
    .ambient-layer,
    .modal-overlay {
        display: none !important;
    }

    .lab-main {
        padding-top: 0;
    }

    .zone {
        display: block !important;
        page-break-inside: avoid;
    }
}