/* === Quote Game Styles === */
:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #1a1a1d;
    --bg-card: #151517;
    
    --text-primary: #f5f5f0;
    --text-secondary: #a8a8a0;
    --text-muted: #6b6b65;
    
    --accent-gold: #d4a853;
    --accent-gold-light: #e8c478;
    --accent-gold-dark: #b8923a;
    --accent-coral: #e07a5f;
    --accent-mint: #81b29a;
    --accent-blue: #6b9ac4;
    
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.12);
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Instrument Sans', -apple-system, sans-serif;
    --font-mono: 'Source Code Pro', monospace;
    
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
}

/* === Grain === */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* === Navbar === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 1.25rem 2rem;
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-left {
    justify-self: start;
}

.back-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.03);
}

.back-link:hover {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
    background: rgba(212, 168, 83, 0.1);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    color: var(--accent-gold);
    font-size: 1.25rem;
}

.brand-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.nav-right {
    justify-self: end;
}

.nav-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--accent-gold);
    text-transform: uppercase;
}

/* === Screens === */
.intro-screen,
.quote-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 7rem 2rem 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s var(--ease-out-expo), visibility 0.5s;
    overflow-y: auto;
}

.intro-screen {
    align-items: center;
}

.intro-screen.active,
.quote-screen.active {
    opacity: 1;
    visibility: visible;
}

/* === Intro Screen === */
.intro-content {
    text-align: center;
    max-width: 700px;
}

.intro-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    padding: 0.5rem 1.5rem;
    margin-bottom: 2rem;
}

.intro-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.title-accent {
    font-style: italic;
    color: var(--accent-gold);
}

.intro-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.intro-subtitle em {
    color: var(--accent-coral);
    font-style: italic;
}

.start-btn,
.next-btn,
.restart-btn,
.home-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--bg-primary);
    background: var(--accent-gold);
    border: none;
    padding: 1rem 2.5rem;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-quart);
    text-decoration: none;
}

.start-btn:hover,
.next-btn:hover,
.restart-btn:hover,
.home-btn:hover {
    background: var(--accent-gold-light);
    transform: translateY(-2px);
}

.btn-arrow {
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.start-btn:hover .btn-arrow,
.next-btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* === Quote Container === */
.quote-container {
    max-width: 1000px;
    width: 100%;
}

/* === Quote Phases === */
.quote-phase {
    display: none;
}

.quote-phase.active {
    display: block;
    animation: fadeIn 0.6s var(--ease-out-expo);
}

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

/* === Question Phase === */
.phase-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    color: var(--accent-gold);
    margin-bottom: 2rem;
    text-align: center;
}

.mystery-quote {
    background: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    padding: 3rem;
    margin-bottom: 3rem;
    position: relative;
}

.quote-mark {
    font-family: var(--font-display);
    font-size: 6rem;
    color: var(--accent-gold);
    position: absolute;
    top: 0;
    left: 1.5rem;
    line-height: 1;
    opacity: 0.3;
}

.mystery-quote p {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-style: italic;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.mystery-quote .quote-addition {
    margin-top: 1rem;
    color: var(--text-secondary);
}

.guess-prompt {
    text-align: center;
}

.prompt-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.guess-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.guess-btn {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-medium);
    padding: 1.25rem 2rem;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-quart);
    min-width: 180px;
}

.guess-btn:hover {
    border-color: var(--accent-gold);
    transform: translateY(-4px);
}

.guess-sub {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* === Reveal Phase === */
.phase-reveal {
    padding-top: 2rem;
}

.reveal-dramatic {
    text-align: center;
    margin-bottom: 2rem;
    animation: revealPop 0.8s var(--ease-out-expo);
}

@keyframes revealPop {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.reveal-year {
    font-family: var(--font-display);
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 700;
    color: var(--accent-coral);
    line-height: 1;
}

.reveal-ago {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
}

.reveal-person {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    animation: fadeIn 0.6s var(--ease-out-expo) 0.2s backwards;
}

.person-image {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bg-primary);
}

.person-info h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
}

.person-info p {
    color: var(--text-secondary);
}

/* === Comparison Table === */
.comparison-table {
    background: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    margin-bottom: 2rem;
    animation: fadeIn 0.6s var(--ease-out-expo) 0.3s backwards;
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.col-header {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 1rem 1.5rem;
    text-align: center;
}

.col-header.past {
    background: rgba(212, 168, 83, 0.1);
    color: var(--accent-gold);
    border-bottom: 2px solid var(--accent-gold);
}

.col-header.present {
    background: rgba(107, 154, 196, 0.1);
    color: var(--accent-blue);
    border-bottom: 2px solid var(--accent-blue);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--border-subtle);
}

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

.col-cell {
    padding: 1.5rem;
    border-right: 1px solid var(--border-subtle);
}

.col-cell:last-child {
    border-right: none;
}

.col-cell.past {
    background: rgba(212, 168, 83, 0.03);
}

.col-cell.present {
    background: rgba(107, 154, 196, 0.03);
}

.cell-person {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.person-avatar {
    width: 48px;
    height: 48px;
    background: var(--accent-gold);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.person-avatar.modern {
    background: var(--accent-blue);
}

.cell-person strong {
    display: block;
    font-size: 0.95rem;
}

.cell-person span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cell-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.cell-quote {
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.6;
}

.cell-quote.secondary {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.result-row .col-cell.result {
    background: rgba(224, 122, 95, 0.1);
}

.result-row .col-cell.question {
    background: rgba(129, 178, 154, 0.1);
}

.answer-hint {
    font-size: 0.85rem;
    color: var(--accent-mint);
    margin-top: 0.5rem;
}

/* === Lesson Box === */
.lesson-box {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.15) 0%, rgba(212, 168, 83, 0.05) 100%);
    border: 1px solid var(--accent-gold);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    animation: fadeIn 0.6s var(--ease-out-expo) 0.4s backwards;
}

.lesson-icon {
    font-size: 2rem;
}

.lesson-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-style: italic;
}

.next-btn {
    display: flex;
    margin: 0 auto;
    animation: fadeIn 0.6s var(--ease-out-expo) 0.5s backwards;
}

/* === Conclusion Screen === */
.conclusion-screen {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.conclusion-container {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

.conclusion-header {
    margin-bottom: 3rem;
}

.conclusion-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.conclusion-header h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 400;
}

/* === Timeline === */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 3rem;
    text-align: left;
}

.timeline-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-bottom: none;
    transition: all 0.3s ease;
}

.timeline-item:first-child {
    border-radius: 8px 8px 0 0;
}

.timeline-item:last-child {
    border-bottom: 1px solid var(--border-subtle);
    border-radius: 0 0 8px 8px;
}

.timeline-item:hover {
    background: var(--bg-tertiary);
}

.timeline-item.current {
    background: rgba(212, 168, 83, 0.1);
    border-color: var(--accent-gold);
}

.timeline-year {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
}

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

.timeline-content strong {
    color: var(--text-primary);
}

.timeline-result {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.timeline-result.fail {
    background: rgba(224, 122, 95, 0.15);
    color: var(--accent-coral);
}

.timeline-result.question {
    background: rgba(129, 178, 154, 0.15);
    color: var(--accent-mint);
}

/* === Final Lesson === */
.final-lesson {
    margin-bottom: 3rem;
}

.final-lesson blockquote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 1rem;
}

.final-lesson blockquote strong {
    color: var(--accent-gold);
}

.lesson-subtitle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

/* === Conclusion Actions === */
.conclusion-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.restart-btn {
    background: transparent;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
}

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

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

.home-btn:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* === Responsive === */
@media (max-width: 768px) {
    .navbar {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        text-align: center;
    }
    
    .nav-left, .nav-right {
        justify-self: center;
    }
    
    .intro-screen,
    .quote-screen {
        padding: 5rem 1rem 1rem;
    }
    
    .mystery-quote {
        padding: 2rem 1.5rem;
    }
    
    .quote-mark {
        font-size: 4rem;
        left: 0.5rem;
    }
    
    .guess-options {
        flex-direction: column;
    }
    
    .guess-btn {
        width: 100%;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .col-cell {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }
    
    .col-cell:last-child {
        border-bottom: none;
    }
    
    .reveal-person {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .conclusion-actions {
        flex-direction: column;
    }
}