/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --surface-0: #030214;
    --surface-1: #080525;
    --surface-2: #0f0b33;
    --surface-3: rgba(255, 255, 255, 0.05);
    --primary-color: #caa6ff;
    --secondary-color: #78f1d8;
    --accent-color: #ffb86c;
    --text-primary: #f4f2ff;
    --text-secondary: rgba(244, 242, 255, 0.65);
    --border-color: rgba(255, 255, 255, 0.12);
    --card-bg: rgba(9, 8, 20, 0.75);
    --shadow: 0 25px 80px rgba(0, 0, 0, 0.55);
    --shadow-hover: 0 35px 90px rgba(122, 102, 255, 0.35);
    --transition: all 0.35s ease;
    --code-bg: rgba(5, 5, 15, 0.9);
    --code-inline-bg: rgba(255, 255, 255, 0.08);
    --blockquote-bg: rgba(122, 102, 255, 0.15);
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(circle at 20% 20%, #1c1550, #050310 45%, #02010b 90%);
    color: var(--text-primary);
    line-height: 1.65;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
    padding-bottom: 60px;
}

/* Light mode */
[data-theme="light"] {
    --surface-0: #fdf7f0;
    --surface-1: #fffaf4;
    --surface-2: #f7efe6;
    --surface-3: rgba(28, 25, 23, 0.06);
    --primary-color: #7c5dff;
    --secondary-color: #16a39c;
    --accent-color: #f08a4b;
    --text-primary: #1c1a1a;
    --text-secondary: rgba(28, 26, 26, 0.65);
    --border-color: rgba(28, 26, 26, 0.15);
    --card-bg: rgba(255, 255, 255, 0.9);
    --shadow: 0 18px 40px rgba(28, 25, 23, 0.12);
    --shadow-hover: 0 30px 60px rgba(124, 93, 255, 0.25);
    --blockquote-bg: rgba(124, 93, 255, 0.12);
}

html[data-theme="light"] body {
    background: radial-gradient(circle at 15% 20%, #fff3e4, #f8efe7 45%, #f3eadf 90%);
    color: var(--text-primary);
}

html[data-theme="light"] body::before {
    opacity: 0.25;
    background-image:
        linear-gradient(120deg, rgba(28, 26, 26, 0.08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(28, 26, 26, 0.08) 1px, transparent 1px);
}

html[data-theme="light"] .hero-content,
html[data-theme="light"] .world-card,
html[data-theme="light"] .download-section,
html[data-theme="light"] .topics-section,
html[data-theme="light"] .content-section {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(28, 26, 26, 0.1);
    box-shadow: 0 25px 70px rgba(28, 25, 23, 0.15);
}

html[data-theme="light"] .hero-visual-panel {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 249, 242, 0.95));
    border-color: rgba(28, 26, 26, 0.15);
    box-shadow: 0 35px 90px rgba(28, 25, 23, 0.22);
}

html[data-theme="light"] .hero-visual-card {
    background: rgba(255, 255, 255, 0.96);
    color: var(--text-primary);
    border-color: rgba(28, 26, 26, 0.15);
    box-shadow: 0 20px 40px rgba(28, 25, 23, 0.28);
}

html[data-theme="light"] .hero-visual-panel::after {
    content: '';
    position: absolute;
    inset: 12px;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 20px 60px rgba(124, 93, 255, 0.3);
    pointer-events: none;
    opacity: 0.7;
}

html[data-theme="light"] .download-btn {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(28, 26, 26, 0.1);
    color: var(--text-primary);
}

html[data-theme="light"] .download-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

html[data-theme="light"] .hero-title .highlight {
    color: var(--primary-color);
}

html[data-theme="light"] body.world-page {
    background: radial-gradient(circle at 40% 10%, #fff4e8, #f2e9df 55%, #eedfd3 100%);
    color: var(--text-primary);
}

html[data-theme="light"] .world-page .hero-section {
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.9), rgba(255, 248, 240, 0.85));
    border-bottom: 1px solid rgba(28, 26, 26, 0.08);
}

html[data-theme="light"] .world-page .hero-content,
html[data-theme="light"] .world-page .hero-visual-panel {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(28, 26, 26, 0.08);
    color: var(--text-primary);
}

html[data-theme="light"] .world-page .hero-chip {
    background: rgba(124, 93, 255, 0.12);
    border-color: rgba(124, 93, 255, 0.3);
    color: var(--text-primary);
}

html[data-theme="light"] .world-layout .topics-section,
html[data-theme="light"] .world-main .content-section {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(28, 26, 26, 0.08);
    box-shadow: 0 25px 70px rgba(28, 25, 23, 0.12);
}

html[data-theme="light"] .topics-grid .topic-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(28, 26, 26, 0.1);
    color: var(--text-primary);
}

html[data-theme="light"] .topics-grid .topic-card.active {
    border-color: var(--primary-color);
    background: rgba(124, 93, 255, 0.1);
    box-shadow: 0 20px 50px rgba(124, 93, 255, 0.2);
}

html[data-theme="light"] .nav-back {
    border-color: rgba(28, 26, 26, 0.2);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.85);
}

html[data-theme="light"] .nav-back:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(120deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 160px 160px;
    opacity: 0.5;
    animation: gridPan 30s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes gridPan {
    0% { transform: translateY(0); }
    100% { transform: translateY(160px); }
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: center;
    padding: clamp(50px, 8vw, 120px) clamp(20px, 8vw, 120px);
    position: relative;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 0%, rgba(122, 102, 255, 0.35), transparent 55%);
    opacity: 0.7;
    pointer-events: none;
    z-index: -1;
}

.hero-content {
    background: rgba(5, 5, 20, 0.55);
    border: 1px solid var(--border-color);
    border-radius: 32px;
    padding: clamp(24px, 4vw, 45px);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}

.hero-title {
    font-family: 'Cinzel', serif;
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hero-title .highlight {
    color: var(--secondary-color);
}

html[data-theme="light"] .hero-title {
    color: #2d2542;
}

html[data-theme="light"] .hero-title .highlight {
    color: #5a3df7;
}

html[data-theme="light"] .hero-visual-label {
    color: rgba(28, 26, 26, 0.75);
}

html[data-theme="light"] .hero-visual-value,
html[data-theme="light"] .hero-visual-note {
    color: #2d2542;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 10px;
}

.hero-actions .download-btn,
.hero-actions .nav-back {
    flex: 0 0 auto;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.stat {
    flex: 1 1 120px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    text-align: left;
}

.stat-number {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual-panel {
    position: relative;
    width: min(420px, 100%);
    aspect-ratio: 4 / 5;
    border-radius: 36px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(5, 5, 20, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.18);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    backdrop-filter: blur(15px);
}

.hero-visual-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(120deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 38px 38px;
    opacity: 0.5;
}

.hero-visual-grid,
.hero-visual-glow {
    position: absolute;
    inset: 0;
}

.hero-visual-grid {
    background: radial-gradient(circle at top, rgba(255, 255, 255, 0.4), transparent 50%);
    mix-blend-mode: screen;
    animation: slowPan 16s linear infinite;
}

.hero-visual-glow {
    inset: 24px;
    border-radius: 26px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: inset 0 0 35px rgba(255, 255, 255, 0.2);
    animation: pulseGlow 8s ease-in-out infinite;
}

.hero-visual-card {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 22px;
    padding: 18px;
    border-radius: 18px;
    background: rgba(2, 2, 18, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.45);
}

.hero-visual-label {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.hero-visual-value {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.hero-visual-note {
    margin-top: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(10px, 5vw, 70px) clamp(20px, 4vw, 50px);
    position: relative;
    z-index: 1;
}

.download-section {
    text-align: left;
    margin-top: 40px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 32px;
    padding: clamp(30px, 5vw, 60px);
    box-shadow: var(--shadow);
}

.download-section h3 {
    font-family: 'Cinzel', serif;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    margin-bottom: 12px;
    color: var(--text-primary);
}

.download-description {
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.download-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    border-radius: 18px;
    text-decoration: none;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.download-btn:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
}

.download-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.download-btn:hover::after {
    opacity: 1;
}

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

/* Worlds Section */
.worlds-section {
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.section-title {
    font-family: 'Cinzel', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

/* Enhanced World Grid */
.world-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.world-card {
    border-radius: 28px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    box-shadow: var(--shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.world-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(140deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.world-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 30px 90px rgba(122, 102, 255, 0.35);
}

.world-card:hover::after {
    opacity: 1;
}

/* wrap entire card with link */
.card-link-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-decoration: none;
    height: 100%;
}

.card-visual {
    display: flex;
    align-items: center;
    gap: 14px;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.card-content {
    flex: 1;
}

.card-link-wrapper h2 {
    font-size: 1.4rem;
    margin: 0 0 8px;
    color: var(--text-primary);
}

.card-link-wrapper:hover h2 {
    color: var(--primary-color);
}

.card-meta {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.card-content p {
    margin: 0;
    color: var(--text-secondary);
}

/* World-specific hover colors */
.world-card[data-realm="arcadia"]:hover { border-color: var(--arcadia-primary); }
.world-card[data-realm="brightveil"]:hover { border-color: var(--brightveil-primary); }
.world-card[data-realm="convergence"]:hover { border-color: var(--convergence-primary); }
.world-card[data-realm="deepforge"]:hover { border-color: var(--deepforge-primary); }
.world-card[data-realm="drakoria"]:hover { border-color: var(--drakoria-primary); }
.world-card[data-realm="grimmar"]:hover { border-color: var(--grimmar-primary); }
.world-card[data-realm="sylvara"]:hover { border-color: var(--sylvara-primary); }
.world-card[data-realm="terrana"]:hover { border-color: var(--terrana-primary); }

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--light-bg);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.scroll-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 0 2px 2px 0;
    transition: width 0.3s ease;
}

/* Ripple Effect */
@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 12px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.theme-toggle-icon {
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Enhanced Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    margin-top: 80px;
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--accent-color);
}

/* Responsive Design Enhancements */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 40px 20px;
    }

    .hero-content {
        text-align: left;
    }

    .hero-stats {
        flex-direction: column;
    }

    .download-links {
        grid-template-columns: 1fr;
    }

    .world-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 40px 15px;
    }

    .hero-title {
        font-size: clamp(2rem, 15vw, 3rem);
    }

    .section-title {
        font-size: 2rem;
    }

    .download-section h3 {
        font-size: 1.5rem;
    }
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #ffffff;
        --secondary-color: #ffff00;
        --accent-color: #00ff00;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --card-bg: #000000;
        --border-color: #ffffff;
    }
}

/* Print styles */
@media print {
    body {
        background: white !important;
        color: black !important;
    }

    .hero-visual,
    .theme-toggle,
    .scroll-progress,
    #loading-screen {
        display: none !important;
    }

    .world-card {
        break-inside: avoid;
        border: 1px solid #000;
        box-shadow: none;
    }
}

/* World Page Styles */

.world-page {
    background: radial-gradient(circle at top, #05030d, #090617 45%, #04030c 90%);
}

#loading-screen {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at top, rgba(25, 20, 45, 0.95), rgba(5, 4, 15, 0.98));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 9999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

#loading-screen .loading-content {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 420px;
    width: 90%;
}

#loading-screen h2 {
    color: white;
    margin-bottom: 10px;
}

#loading-screen p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* Refined world hero */
.world-page .hero-section {
    position: relative;
    padding: clamp(60px, 12vw, 140px) clamp(20px, 6vw, 80px) clamp(40px, 8vw, 90px);
    overflow: hidden;
    background: linear-gradient(120deg, rgba(30, 20, 50, 0.9), rgba(10, 8, 20, 0.95));
}

.world-page .hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.world-page .hero-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    align-items: stretch;
}

.world-page .hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 32px;
    border-radius: 30px;
    background: rgba(10, 8, 20, 0.6);
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
}

.world-page .hero-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.world-page .breadcrumb {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.world-page .breadcrumb span:last-child {
    color: #fff;
    font-weight: 600;
}


.world-page .hero-text .hero-title {
    font-size: clamp(2.6rem, 5vw, 3.8rem);
    margin-bottom: 10px;
    color: #fff;
}

html[data-theme="light"] .world-page .hero-text .hero-title {
    color: #2d2542;
}

.world-page .hero-text .hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

html[data-theme="light"] .world-page .hero-text .hero-subtitle,
html[data-theme="light"] .world-page .hero-text .hero-description {
    color: rgba(45, 37, 66, 0.75);
}

.world-page .hero-text .hero-description {
    color: rgba(255, 255, 255, 0.75);
    max-width: 680px;
}

.world-page .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.world-page .hero-actions .nav-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.world-page .hero-actions .download-btn {
    min-width: 200px;
}

.world-page .hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual-panel .hero-visual-note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 8px;
}

/* Section layout */
.world-main {
    padding: clamp(40px, 5vw, 80px) clamp(20px, 5vw, 80px) 100px;
}

.world-layout {
    display: grid;
    grid-template-columns: minmax(260px, 360px) 1fr;
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.world-layout .topics-section {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 24px;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    position: sticky;
    top: 40px;
    height: fit-content;
}

.section-heading {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 20px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
}

.section-note {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.world-layout .topics-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.world-layout .topic-card {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 18px 20px;
    border-radius: 16px;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.world-layout .topic-card.active {
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.4);
}

.world-layout .topic-card h3 {
    margin-bottom: 6px;
}

.world-layout .topic-card p {
    margin: 0;
    color: var(--text-secondary);
}

.world-layout .topic-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
}

.world-main .content-section {
    background: rgba(10, 8, 20, 0.6);
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
    padding: clamp(24px, 4vw, 50px);
    min-height: 60vh;
}

.world-main .content-section #content {
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
}

.world-main .content-section #loading {
    border: none;
    background: transparent;
}

.content-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@media (max-width: 1024px) {
    .world-layout {
        grid-template-columns: 1fr;
    }

    .world-layout .topics-section {
        position: static;
    }
}

@media (max-width: 640px) {
    .world-page .hero-content {
        padding: 24px;
    }

    .world-page .hero-actions {
        flex-direction: column;
    }
}

/* World-specific body colors */
body[data-realm="arcadia"] {
    --realm-primary: #8bc34a;
    --realm-secondary: #689f38;
    --realm-accent: #4caf50;
}

body[data-realm="brightveil"] {
    --realm-primary: #e91e63;
    --realm-secondary: #c2185b;
    --realm-accent: #f06292;
}

body[data-realm="convergence"] {
    --realm-primary: #9c27b0;
    --realm-secondary: #7b1fa2;
    --realm-accent: #ba68c8;
}

body[data-realm="deepforge"] {
    --realm-primary: #ff9800;
    --realm-secondary: #f57c00;
    --realm-accent: #ffb74d;
}

body[data-realm="drakoria"] {
    --realm-primary: #f44336;
    --realm-secondary: #d32f2f;
    --realm-accent: #ef5350;
}

body[data-realm="grimmar"] {
    --realm-primary: #607d8b;
    --realm-secondary: #455a64;
    --realm-accent: #78909c;
}

body[data-realm="sylvara"] {
    --realm-primary: #4caf50;
    --realm-secondary: #388e3c;
    --realm-accent: #66bb6a;
}

body[data-realm="terrana"] {
    --realm-primary: #2196f3;
    --realm-secondary: #1976d2;
    --realm-accent: #42a5f5;
}

/* Header styles */
header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInDown 0.8s ease-out;
}

h1 {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Navigation styles */
.nav-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.nav-back:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateX(-4px);
}

.topic-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    list-style: none;
    margin: 40px 0;
    animation: fadeIn 1s ease-out;
}

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

.topic-nav li {
    flex: 1 1 auto;
}

.topic-nav a {
    display: block;
    padding: 15px 25px;
    background: var(--card-bg);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.topic-nav a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--border-color);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.topic-nav a:hover::before {
    width: 300px;
    height: 300px;
}

.topic-nav a:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    color: white;
}

.topic-nav a span {
    position: relative;
    z-index: 1;
}

.topic-nav a.active {
    background: var(--primary-color);
    border-color: var(--accent-color);
    box-shadow: var(--shadow);
    color: white;
}

/* Content area */
#loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-style: italic;
    animation: pulse 1.5s ease-in-out infinite;
}

#content {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    min-height: 400px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    animation: fadeIn 0.5s ease-out;
}

#content h1, #content h2, #content h3 {
    color: var(--primary-color);
    margin-top: 30px;
    margin-bottom: 15px;
    position: relative;
    padding-left: 20px;
}

#content h1::before, #content h2::before, #content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 1.2em;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
}

#content p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--text-primary);
}

#content ul, #content ol {
    margin-left: 30px;
    margin-bottom: 15px;
}

#content li {
    margin-bottom: 8px;
    color: var(--text-primary);
}

#content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

#content a:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

#content code {
    background: var(--code-inline-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--accent-color);
}

#content pre {
    background: var(--code-bg);
    padding: 20px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 20px 0;
    border-left: 4px solid var(--primary-color);
}

#content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
    margin: 20px 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--blockquote-bg);
    padding: 15px 20px;
    border-radius: 8px;
}

/* Scroll progress bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    z-index: 9999;
    transition: width 0.1s ease-out;
    box-shadow: 0 0 10px var(--primary-color);
}

/* Responsive design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .world-grid {
        grid-template-columns: 1fr;
    }

    .topic-nav {
        flex-direction: column;
    }

    #content {
        padding: 20px;
    }

    .container {
        padding: 20px 15px;
    }
}

/* Loading animation */
.loader {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 5px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Footer styles */
.footer {
    margin-top: 80px;
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background: var(--card-bg);
    backdrop-filter: blur(10px);
}

.footer p {
    color: var(--text-secondary);
    margin: 10px 0;
    font-size: 0.9rem;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

/* Search functionality styles */
.search-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
    max-width: 100%;
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(122, 102, 255, 0.3);
}

.search-button {
    display: none;
}

.search-results {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-height: 500px;
    overflow-y: auto;
    animation: fadeIn 0.2s ease-out;
}

.search-results-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.search-result-item {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: var(--transition);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.search-result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.search-result-icon {
    font-size: 1.5rem;
}

.search-result-title {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.search-result-count {
    font-size: 0.85rem;
    color: var(--accent-color);
    background: rgba(255, 184, 108, 0.15);
    padding: 4px 10px;
    border-radius: 12px;
}

.search-result-snippets {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.search-snippet {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border-left: 3px solid var(--border-color);
}

.search-snippet mark {
    background: var(--accent-color);
    color: #000;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

.search-no-results {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

#content mark {
    background: var(--accent-color);
    color: #000;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

/* Copy button styles */
.copy-button {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 15px;
    background: var(--primary-color);
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s;
}

pre:hover .copy-button {
    opacity: 1;
}