/* ==================== CSS VARIABLES ==================== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.9);
    --bg-glass: rgba(26, 26, 37, 0.6);
    --accent-gold: #d4af37;
    --accent-gold-light: #f4d03f;
    --accent-gold-dark: #b8941f;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-pink: #ec4899;
    --accent-green: #22c55e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --border-color: rgba(212, 175, 55, 0.2);
    --shadow-gold: 0 0 30px rgba(212, 175, 55, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px rgba(139, 92, 246, 0.2);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    --font-quote: 'Playfair Display', serif;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ==================== BACKGROUND EFFECTS ==================== */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(59, 130, 246, 0.03) 0%, transparent 70%);
    z-index: -3;
    pointer-events: none;
}

.ambient-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.03) 0%, transparent 70%);
    z-index: -2;
    pointer-events: none;
    animation: ambientPulse 8s ease-in-out infinite;
}

@keyframes ambientPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-gold);
    border-radius: 50%;
    opacity: 0;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% {
        opacity: 0;
        transform: translateY(100vh) translateX(0) scale(0);
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh) translateX(50px) scale(1);
    }
}

/* ==================== NAVIGATION ==================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 3rem;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-medium);
}

.main-nav.scrolled {
    padding: 0.75rem 3rem;
    background: rgba(10, 10, 15, 0.95);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-decoration: none;
    cursor: pointer;
}

.nav-brand i {
    font-size: 1.75rem;
    animation: hourglass 3s ease-in-out infinite;
}

.version-badge {
    font-size: 0.6rem;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: white;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    margin-left: 0.25rem;
}

@keyframes hourglass {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.1);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.library-count {
    background: var(--accent-gold);
    color: var(--bg-primary);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.25rem;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border: none;
    border-radius: 25px;
    padding: 0.6rem 1.25rem;
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.login-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-gold);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.4rem 0.75rem;
    border-radius: 25px;
    transition: var(--transition-fast);
}

.user-profile:hover {
    background: rgba(255, 255, 255, 0.05);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
    object-fit: cover;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
}

.user-profile:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    padding: 1rem;
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
}

.mobile-link {
    display: block;
    padding: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.mobile-link:hover {
    background: var(--bg-tertiary);
    color: var(--accent-gold);
}

.mobile-user {
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* ==================== MAIN CONTENT ==================== */
main {
    min-height: 100vh;
    padding-top: 80px;
}

/* ==================== HOME PAGE ==================== */
.home-page {
    padding: 1rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

@media (min-width: 768px) {
    .home-page {
        padding: 2rem;
    }
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 2rem;
    margin-bottom: 2rem;
}

.greeting {
    font-size: 1.1rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-gold) 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.1s forwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

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

/* Search Bar */
.search-container {
    max-width: 700px;
    margin: 0 auto 4rem;
    position: relative;
    z-index: 100;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 0.5rem;
    padding-left: 1.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition-medium);
    position: relative;
}

.search-box:focus-within {
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-gold);
    transform: scale(1.02);
}

.search-box i {
    color: var(--accent-gold);
    font-size: 1.25rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    min-width: 0;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1rem;
    padding: 0.75rem 0;
}

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

.search-btn {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border: none;
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    color: var(--bg-primary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    white-space: nowrap;
}

.search-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-gold);
}

/* Search Suggestions */
.search-suggestions {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    display: none;
    z-index: 200;
    box-shadow: var(--shadow-card);
    max-height: 400px;
    overflow-y: auto;
}

.search-suggestions.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.suggestion-item {
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--bg-secondary);
}

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

.suggestion-item:hover {
    background: rgba(212, 175, 55, 0.15);
}

.suggestion-title {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.suggestion-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.suggestion-category {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: rgba(212, 175, 55, 0.1);
    border-bottom: 1px solid var(--border-color);
}

/* ==================== DAILY HISTORY SECTION ==================== */
.daily-history-section {
    margin-top: 2rem;
    margin-bottom: 4rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.section-title i {
    color: var(--accent-gold);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
}

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

.date-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(59, 130, 246, 0.2));
    color: var(--accent-purple);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.daily-cards-scroll {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding: 0.5rem 0.5rem 1.5rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    min-height: 300px;
}

.daily-cards-scroll::-webkit-scrollbar {
    height: 6px;
}

.daily-cards-scroll::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.daily-cards-scroll::-webkit-scrollbar-thumb {
    background: var(--accent-gold);
    border-radius: 3px;
}

.daily-card {
    flex: 0 0 350px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-medium);
    scroll-snap-align: start;
}

.daily-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-card), var(--shadow-gold);
}

.daily-card-image {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.daily-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, var(--bg-card), transparent);
}

.daily-card-year {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    color: var(--accent-gold);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
}

.daily-card-content {
    padding: 1.5rem;
}

.daily-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.daily-card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.daily-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    color: var(--accent-gold);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.daily-card-btn:hover {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--accent-gold);
}

/* ==================== PERSONALIZED TIMELINE CTA ==================== */
.timeline-cta-section {
    margin-top: 3rem;
    margin-bottom: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(212, 175, 55, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.timeline-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-gold));
}

.timeline-cta-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.timeline-cta-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.timeline-cta-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.timeline-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border: none;
    border-radius: 25px;
    padding: 1rem 2rem;
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.timeline-cta-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-gold);
}

/* ==================== FEATURED TOPICS ==================== */
.featured-section {
    margin-top: 3rem;
    margin-bottom: 4rem;
    width: 100%;
    padding: 2rem 0;
}

.featured-section .section-header {
    margin-bottom: 2rem;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

@media (max-width: 640px) {
    .topics-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.topic-card {
    background: linear-gradient(145deg, #1e1e2e 0%, #2a2a3e 50%, #1e1e2e 100%);
    border: 2px solid rgba(212, 175, 55, 0.4);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(212, 175, 55, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.topic-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-gold);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.6),
        0 0 30px rgba(212, 175, 55, 0.3),
        0 0 0 1px rgba(212, 175, 55, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.topic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-purple), var(--accent-gold));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.topic-card:hover::before {
    transform: scaleX(1);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.topic-image {
    height: 180px;
    min-height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
    flex-shrink: 0;
}

.topic-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(
        to top, 
        #1e1e2e 0%, 
        #1e1e2e 25%,
        rgba(30, 30, 46, 0.95) 40%,
        rgba(30, 30, 46, 0.7) 60%,
        rgba(30, 30, 46, 0.3) 80%,
        transparent 100%
    );
}

.topic-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: transparent;
    position: relative;
    z-index: 2;
    margin-top: -60px;
}

.topic-era {
    color: #ffd700;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 0.75rem;
    padding: 0.4rem 0.8rem;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    display: inline-block;
    width: fit-content;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.topic-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
    line-height: 1.3;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.topic-desc {
    color: #c0c0d0;
    font-size: 1rem;
    line-height: 1.7;
    margin-top: auto;
    font-weight: 400;
}

/* Topic card badge */
.topic-card .topic-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    color: #0a0a0f;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    z-index: 3;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

/* ==================== TIMELINE SLIDER ==================== */
.timeline-section-home {
    margin-top: 4rem;
    padding: 3rem 2rem;
    background: linear-gradient(180deg, transparent 0%, rgba(5, 5, 5, 0.8) 100%);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.timeline-header {
    margin-bottom: 2rem;
}

.timeline-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-container {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.timeline-current {
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-gold);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.slider-wrapper {
    position: relative;
    height: 40px;
    display: flex;
    align-items: center;
}

.slider-track {
    position: absolute;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.slider-fill {
    position: absolute;
    left: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--accent-gold-dark) 0%, var(--accent-gold) 100%);
    border-radius: 3px;
    transition: width 0.1s ease;
    pointer-events: none;
}

.timeline-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: transparent;
    outline: none;
    cursor: pointer;
    position: relative;
    z-index: 2;
}

.timeline-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 32px;
    height: 32px;
    background: var(--accent-gold);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.8), 0 0 40px rgba(212, 175, 55, 0.4);
    transition: all var(--transition-fast);
    border: 4px solid var(--bg-primary);
}

.timeline-slider::-webkit-slider-thumb:hover {
    transform: scale(1.3);
    box-shadow: var(--shadow-gold);
}

.timeline-slider::-moz-range-thumb {
    width: 32px;
    height: 32px;
    background: var(--accent-gold);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.8);
    border: 4px solid var(--bg-primary);
    transition: all var(--transition-fast);
}

.timeline-hint {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    letter-spacing: 0.1em;
}

.timeline-era {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--accent-gold);
    margin-top: 0.5rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.explore-era-btn {
    margin-top: 1.5rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border: none;
    border-radius: 25px;
    padding: 0.875rem 2.5rem;
    color: var(--bg-primary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}

.explore-era-btn.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.explore-era-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-gold);
}

/* ==================== HISTORY PAGE ==================== */
.history-page {
    min-height: calc(100vh - 80px);
}

.history-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: flex-end;
    padding: 3rem;
    background-size: cover;
    background-position: center;
}

.history-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, var(--bg-primary) 100%);
}

.history-hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.history-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.history-era {
    color: var(--accent-gold);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.history-category {
    background: rgba(139, 92, 246, 0.2);
    color: var(--accent-purple);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    text-transform: uppercase;
}

.history-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    word-wrap: break-word;
    line-height: 1.2;
}

.history-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    min-width: 100px;
}

.action-btn:hover {
    border-color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.15);
}

.action-btn i {
    color: var(--accent-gold);
}

.action-btn.saved {
    background: rgba(212, 175, 55, 0.25);
    border-color: var(--accent-gold);
}

.action-btn.share-btn {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(59, 130, 246, 0.2));
    border-color: rgba(139, 92, 246, 0.3);
}

.action-btn.share-btn:hover {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.3);
}

/* History Content */
.history-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.history-main h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.history-text {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: 1.05rem;
}

.history-text p {
    margin-bottom: 1.5rem;
}

/* Timeline */
.timeline-section {
    margin: 3rem 0;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-gold), var(--accent-purple));
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--accent-gold);
    border-radius: 50%;
    transform: translateX(-5px);
}

.timeline-year {
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.timeline-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Key Facts */
.facts-grid {
    display: grid;
    gap: 1rem;
}

.fact-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.25rem;
    transition: var(--transition-fast);
}

.fact-card:hover {
    border-color: var(--accent-gold);
    transform: translateX(5px);
}

.fact-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.fact-value {
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

/* Summary Section */
.summary-section {
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(212, 175, 55, 0.05);
    border-radius: 16px;
    border-left: 3px solid var(--accent-gold);
}

.summary-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.summary-list {
    list-style: none;
}

.summary-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.summary-list li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
}

/* Smart Suggestions */
.suggestions-section {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.suggestions-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.suggestions-title span {
    color: var(--accent-gold);
}

.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.suggestion-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.25rem;
    cursor: pointer;
    transition: var(--transition-medium);
}

.suggestion-card:hover {
    border-color: var(--accent-purple);
    transform: translateY(-3px);
}

.suggestion-card-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.suggestion-card-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ==================== PERSONALIZED TIMELINE PAGE ==================== */
.timeline-generator-page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline-generator-hero {
    text-align: center;
    padding: 3rem 2rem;
    margin-bottom: 3rem;
}

.timeline-generator-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.timeline-generator-hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.timeline-form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.interest-tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 0.75rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.interest-tag:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.interest-tag.selected {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.generate-timeline-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border: none;
    border-radius: 12px;
    padding: 1.25rem;
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.generate-timeline-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-gold);
}

/* Generated Timeline Display */
.generated-timeline {
    margin-top: 4rem;
}

.timeline-intro-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(212, 175, 55, 0.15));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.timeline-intro-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-intro-card p {
    color: var(--text-secondary);
}

.personal-timeline {
    position: relative;
    padding-left: 3rem;
}

.personal-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--accent-gold), var(--accent-purple), var(--accent-blue));
    border-radius: 3px;
}

.personal-timeline-item {
    position: relative;
    margin-bottom: 3rem;
    opacity: 0;
    animation: slideInLeft 0.6s ease-out forwards;
}

.personal-timeline-item:nth-child(1) { animation-delay: 0.1s; }
.personal-timeline-item:nth-child(2) { animation-delay: 0.2s; }
.personal-timeline-item:nth-child(3) { animation-delay: 0.3s; }
.personal-timeline-item:nth-child(4) { animation-delay: 0.4s; }
.personal-timeline-item:nth-child(5) { animation-delay: 0.5s; }

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

.personal-timeline-item::before {
    content: '';
    position: absolute;
    left: -3rem;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--accent-gold);
    border-radius: 50%;
    transform: translateX(-6.5px);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.personal-timeline-year {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-bottom: 0.25rem;
}

.personal-timeline-age {
    font-size: 0.85rem;
    color: var(--accent-purple);
    margin-bottom: 0.75rem;
}

.personal-timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.personal-timeline-desc {
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline-share-section {
    margin-top: 3rem;
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.timeline-share-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* ==================== WORLD MAP PAGE ==================== */
.map-page {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.map-header {
    text-align: center;
    margin-bottom: 3rem;
}

.map-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.map-subtitle {
    color: var(--text-secondary);
}

.map-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.world-map {
    width: 100%;
    height: auto;
    display: block;
}

/* Continent-specific map colors matching legend */
.map-country {
    stroke-width: 0.5;
    cursor: pointer;
    transition: var(--transition-fast);
}

/* Europe - Gold/Brown */
.map-country.europe {
    fill: rgba(212, 175, 55, 0.4);
    stroke: rgba(212, 175, 55, 0.6);
}

.map-country.europe:hover {
    fill: rgba(212, 175, 55, 0.7);
    stroke: var(--accent-gold);
    stroke-width: 1;
}

/* Asia - Purple */
.map-country.asia {
    fill: rgba(139, 92, 246, 0.4);
    stroke: rgba(139, 92, 246, 0.6);
}

.map-country.asia:hover {
    fill: rgba(139, 92, 246, 0.7);
    stroke: var(--accent-purple);
    stroke-width: 1;
}

/* Africa - Green */
.map-country.africa {
    fill: rgba(34, 197, 94, 0.4);
    stroke: rgba(34, 197, 94, 0.6);
}

.map-country.africa:hover {
    fill: rgba(34, 197, 94, 0.7);
    stroke: #22c55e;
    stroke-width: 1;
}

/* Americas - Blue */
.map-country.americas {
    fill: rgba(59, 130, 246, 0.4);
    stroke: rgba(59, 130, 246, 0.6);
}

.map-country.americas:hover {
    fill: rgba(59, 130, 246, 0.7);
    stroke: #3b82f6;
    stroke-width: 1;
}

/* Oceania - Pink/Magenta */
.map-country.oceania {
    fill: rgba(236, 72, 153, 0.4);
    stroke: rgba(236, 72, 153, 0.6);
}

.map-country.oceania:hover {
    fill: rgba(236, 72, 153, 0.7);
    stroke: #ec4899;
    stroke-width: 1;
}

.map-tooltip {
    position: absolute;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    pointer-events: none;
    opacity: 0;
    transition: var(--transition-fast);
    z-index: 10;
    white-space: nowrap;
}

.map-tooltip.visible {
    opacity: 1;
}

.map-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.legend-color.europe { background: rgba(212, 175, 55, 0.5); }
.legend-color.asia { background: rgba(139, 92, 246, 0.5); }
.legend-color.africa { background: rgba(34, 197, 94, 0.5); }
.legend-color.americas { background: rgba(59, 130, 246, 0.5); }
.legend-color.oceania { background: rgba(236, 72, 153, 0.5); }

/* ==================== QUOTES PAGE ==================== */
.quotes-page {
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.quotes-header {
    text-align: center;
    margin-bottom: 3rem;
}

.quotes-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.quotes-grid {
    display: grid;
    gap: 2rem;
}

.quote-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    transition: var(--transition-medium);
}

.quote-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-5px);
}

.quote-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    left: 1.5rem;
}

.quote-text {
    font-family: var(--font-quote);
    font-size: 1.5rem;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.quote-author {
    color: var(--accent-gold);
    font-weight: 600;
}

.quote-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.quote-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quote-btn:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* ==================== LIBRARY PAGE ==================== */
.library-page {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.library-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.library-title {
    font-family: var(--font-heading);
    font-size: 2rem;
}

.library-count-badge {
    background: var(--accent-gold);
    color: var(--bg-primary);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.empty-library {
    text-align: center;
    padding: 6rem 2rem;
    color: var(--text-secondary);
}

.empty-library i {
    font-size: 5rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-library h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-library p {
    margin-bottom: 1.5rem;
}

.empty-library-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border: none;
    border-radius: 25px;
    padding: 0.875rem 1.5rem;
    color: var(--bg-primary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.empty-library-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-gold);
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.library-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: var(--transition-medium);
    animation: fadeInUp 0.5s ease-out;
}

.library-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.library-card-image {
    height: 160px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.library-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, var(--bg-card), transparent);
}

.library-card-content {
    padding: 1.25rem;
}

.library-card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.library-card-era {
    color: var(--accent-gold);
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.library-card-actions {
    display: flex;
    gap: 0.5rem;
}

.library-card-btn {
    flex: 1;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 8px;
    padding: 0.6rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.library-card-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    color: var(--accent-gold);
}

.library-card-btn.remove:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

/* ==================== AUDIO PLAYER ==================== */
.audio-player {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 1000;
    box-shadow: var(--shadow-card);
    transition: var(--transition-medium);
}

.audio-player.active {
    transform: translateX(-50%) translateY(0);
}

.audio-waveform {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 24px;
}

.audio-waveform span {
    width: 3px;
    background: var(--accent-gold);
    border-radius: 2px;
    animation: waveform 0.8s ease-in-out infinite;
}

.audio-waveform span:nth-child(1) { height: 8px; animation-delay: 0s; }
.audio-waveform span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.audio-waveform span:nth-child(3) { height: 24px; animation-delay: 0.2s; }
.audio-waveform span:nth-child(4) { height: 16px; animation-delay: 0.3s; }
.audio-waveform span:nth-child(5) { height: 8px; animation-delay: 0.4s; }

@keyframes waveform {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

.audio-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--accent-gold);
    font-size: 0.9rem;
}

.audio-controls {
    display: flex;
    gap: 0.5rem;
}

.audio-btn {
    background: rgba(212, 175, 55, 0.2);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: var(--accent-gold);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.audio-btn:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
}

.audio-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-close:hover {
    color: var(--text-primary);
}

/* ==================== TOAST NOTIFICATIONS ==================== */
.toast-container {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-card);
    max-width: 400px;
}

.toast.success {
    border-color: rgba(34, 197, 94, 0.5);
}

.toast.success i {
    color: #22c55e;
}

.toast.error {
    border-color: rgba(239, 68, 68, 0.5);
}

.toast.error i {
    color: #ef4444;
}

.toast.info {
    border-color: rgba(59, 130, 246, 0.5);
}

.toast.info i {
    color: #3b82f6;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== MODALS ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
    padding: 1rem;
}

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

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-medium);
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.modal h3 {
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Auth Modal */
.auth-modal .modal-content {
    max-width: 450px;
    text-align: center;
}

.auth-hero {
    margin-bottom: 2rem;
}

.auth-hero i {
    font-size: 4rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    animation: hourglass 3s ease-in-out infinite;
}

.auth-hero h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.auth-hero p {
    color: var(--text-secondary);
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

.google-btn {
    background: white;
    color: #333;
}

.google-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.guest-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.guest-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.auth-terms {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Timeline Modal */
.timeline-modal .modal-content {
    max-width: 600px;
}

.timeline-intro {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Share Modal */
.share-preview {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-card-preview {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 9/16;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.share-card-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-purple));
}

.share-card-logo {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.share-card-content {
    text-align: center;
}

.share-card-year {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.share-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.share-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.share-card-footer {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.share-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.share-action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem;
    border-radius: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

.download-btn {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    color: var(--bg-primary);
}

.copy-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.share-action-btn:hover {
    transform: scale(1.02);
}

.share-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.share-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-btn:hover {
    transform: scale(1.1);
}

.share-btn.twitter { background: #000; }
.share-btn.facebook { background: #4267b2; }
.share-btn.whatsapp { background: #25d366; }
.share-btn.telegram { background: #0088cc; }

/* ==================== LOADING OVERLAY ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

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

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-ring {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid transparent;
    border-top-color: rgba(139, 92, 246, 0.3);
    border-radius: 50%;
    animation: spin 2s linear infinite reverse;
}

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

.loading-text {
    font-family: var(--font-heading);
    color: var(--accent-gold);
    margin-top: 2rem;
    letter-spacing: 0.1em;
    font-size: 1.1rem;
}

.loading-subtext {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ==================== SKELETON LOADING ==================== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, rgba(255,255,255,0.05) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .history-content {
        grid-template-columns: 1fr;
    }
    
    .topics-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .daily-card {
        flex: 0 0 300px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        padding: 1rem 1.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu.active {
        display: block;
    }
    
    .hero-section {
        padding: 2rem 1rem;
    }
    
    .search-box {
        padding: 0.4rem;
        padding-left: 1rem;
    }
    
    .search-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .history-hero {
        padding: 2rem 1.5rem;
        height: 50vh;
    }
    
    .history-content {
        padding: 2rem 1.5rem;
    }
    
    .history-actions {
        justify-content: center;
    }
    
    .action-btn {
        min-width: 80px;
        padding: 0.6rem 1rem;
    }
    
    .home-page,
    .map-page,
    .quotes-page,
    .library-page,
    .timeline-generator-page {
        padding: 1rem;
    }
    
    .map-container {
        padding: 1rem;
    }
    
    .quote-card {
        padding: 1.5rem;
    }
    
    .quote-text {
        font-size: 1.25rem;
    }
    
    .audio-player {
        left: 1rem;
        right: 1rem;
        transform: translateY(150%);
        border-radius: 16px;
        padding: 0.6rem 1rem;
    }
    
    .audio-player.active {
        transform: translateY(0);
    }
    
    .toast-container {
        right: 1rem;
        left: 1rem;
    }
    
    .timeline-current {
        font-size: 1.5rem;
    }
    
    .daily-card {
        flex: 0 0 280px;
    }
    
    .timeline-cta-section {
        padding: 2rem 1.5rem;
    }
    
    .timeline-form-container {
        padding: 2rem 1.5rem;
    }
    
    .personal-timeline {
        padding-left: 2rem;
    }
    
    .personal-timeline-item::before {
        left: -2rem;
        width: 12px;
        height: 12px;
        transform: translateX(-4.5px);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .daily-card {
        padding: 1.25rem;
    }
    
    .daily-title {
        font-size: 1.25rem;
    }
    
    .history-title {
        font-size: 1.5rem;
    }
    
    .action-btn span {
        display: none;
    }
    
    .action-btn {
        min-width: 50px;
        padding: 0.75rem;
    }
    
    .summary-section,
    .additional-info {
        padding: 1.5rem;
    }
    
    .share-actions {
        flex-direction: column;
    }
    
    .user-name {
        display: none;
    }
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(212, 175, 55, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 175, 55, 0.5);
}

/* ==================== SELECTION ==================== */
::selection {
    background: rgba(212, 175, 55, 0.3);
    color: var(--text-primary);
}

/* ==================== FOCUS STYLES ==================== */
*:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

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

/* ==================== APK DOWNLOAD BUTTON ==================== */
.apk-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border: none;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    margin: 1rem;
    text-decoration: none;
}

.apk-download-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-gold);
}

.apk-download-btn i {
    font-size: 1.25rem;
}

/* ==================== ENHANCED LIBRARY SYSTEM ==================== */
.library-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.library-tab {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 0.6rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.library-tab:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.library-tab.active {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.library-tab i {
    font-size: 0.9rem;
}

/* Collections */
.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.collection-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition-medium);
    text-align: center;
}

.collection-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.collection-card i {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.collection-card.war i { color: #ef4444; }
.collection-card.business i { color: #22c55e; }
.collection-card.kings i { color: #d4af37; }
.collection-card.dark i { color: #8b5cf6; }
.collection-card.custom i { color: #3b82f6; }

.collection-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.collection-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Notes Feature */
.notes-section {
    margin-top: 2rem;
}

.note-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition-fast);
}

.note-card:hover {
    border-color: var(--accent-gold);
}

.note-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.note-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--accent-gold);
}

.note-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.note-content {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.note-actions {
    display: flex;
    gap: 0.5rem;
}

.note-btn {
    background: var(--bg-tertiary);
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.note-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    color: var(--accent-gold);
}

/* Add Note Modal */
.note-input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    resize: vertical;
    min-height: 150px;
    font-family: var(--font-body);
}

.note-input:focus {
    outline: none;
    border-color: var(--accent-gold);
}

/* ==================== FUTURE PREDICTION MODE ==================== */
.prediction-page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.prediction-hero {
    text-align: center;
    padding: 3rem 2rem;
    margin-bottom: 3rem;
}

.prediction-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.prediction-hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.prediction-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.prediction-category {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    cursor: pointer;
    transition: var(--transition-medium);
    text-align: center;
}

.prediction-category:hover {
    border-color: var(--accent-gold);
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
}

.prediction-category i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.prediction-category.tech i { color: #3b82f6; }
.prediction-category.country i { color: #22c55e; }
.prediction-category.economy i { color: #d4af37; }

.prediction-category h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

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

/* Prediction Results */
.prediction-results {
    margin-top: 3rem;
}

.prediction-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(139, 92, 246, 0.1));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.prediction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-purple));
}

.prediction-year {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.prediction-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.prediction-desc {
    color: var(--text-secondary);
    line-height: 1.7;
}

.prediction-confidence {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    margin-top: 1rem;
}

/* ==================== COMPARE LEGENDS MODE ==================== */
.compare-page {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.compare-hero {
    text-align: center;
    padding: 3rem 2rem;
    margin-bottom: 3rem;
}

.compare-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.compare-hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.compare-selector {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.compare-input-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.compare-input-group span {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-gold);
}

.compare-input {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.compare-input:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.compare-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border: none;
    border-radius: 12px;
    padding: 1rem 2rem;
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.compare-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-gold);
}

/* Comparison Results */
.comparison-result {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .comparison-result {
        grid-template-columns: 1fr;
    }
}

.comparison-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-medium);
}

.comparison-card:hover {
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-card);
}

.comparison-card-header {
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-card-header img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-gold);
    margin-bottom: 1rem;
}

.comparison-card-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.comparison-card-header p {
    color: var(--accent-gold);
    font-size: 0.9rem;
}

.comparison-card-body {
    padding: 2rem;
}

.comparison-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-stat:last-child {
    border-bottom: none;
}

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

.comparison-stat-value {
    font-weight: 600;
    color: var(--accent-gold);
}

/* VS Badge */
.vs-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bg-primary);
    z-index: 10;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

.comparison-wrapper {
    position: relative;
}

/* Predefined Comparisons */
.predefined-comparisons {
    margin-top: 3rem;
}

.predefined-comparisons h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.comparison-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.comparison-chip {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 0.6rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.comparison-chip:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.comparison-chip i {
    color: var(--accent-gold);
}

/* Winner Banner */
.winner-banner {
    background: linear-gradient(135deg, rgba(212, 175, 37, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid var(--accent-gold);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    margin-top: 2rem;
}

.winner-banner h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.winner-banner p {
    color: var(--text-secondary);
}

/* ==================== SIDE MENU ENHANCEMENTS ==================== */
.side-menu {
    position: fixed;
    top: 0;
    right: -350px;
    width: 350px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    z-index: 2000;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.side-menu.active {
    right: 0;
}

.side-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

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

.side-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.side-menu-header h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
}

.side-menu-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.side-menu-close:hover {
    color: var(--accent-gold);
}

.side-menu-content {
    padding: 1rem;
}

.side-menu-section {
    margin-bottom: 1.5rem;
}

.side-menu-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.side-menu-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition-fast);
    cursor: pointer;
}

.side-menu-item:hover {
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
}

.side-menu-item i {
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
}

.side-menu-item.featured {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(139, 92, 246, 0.1));
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.side-menu-item.featured:hover {
    border-color: var(--accent-gold);
}

/* ==================== COLLECTION SELECTOR ==================== */
.collection-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.collection-tag {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 0.4rem 0.875rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.collection-tag:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.collection-tag.selected {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* Add to Collection Button */
.add-to-collection-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-top: 1rem;
}

.add-to-collection-btn:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* Library Card with Collection Badge */
.library-card-collection {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(212, 175, 55, 0.15);
    color: var(--accent-gold);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    margin-bottom: 0.75rem;
}

/* Empty State for Collections */
.empty-collection {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-collection i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-collection h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}


/* Topic Card Entrance Animation */
.topic-card {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Make sure featured section is visible */
.featured-section {
    position: relative;
    z-index: 10;
}