/* ── Google Fonts ───────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;600&display=swap');

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

/* ── Variables ──────────────────────────────────────────── */
:root {
    --bg: #04040f;
    --surface: rgba(10, 10, 30, 0.85);
    --neon-pink: #ff2d6d;
    --neon-blue: #00d4ff;
    --neon-purple: #a855f7;
    --text: #e8eaf6;
    --muted: #5a6a8a;
    --radius: 4px;
    --glow-pink: 0 0 20px rgba(255, 45, 109, 0.5);
    --glow-blue: 0 0 20px rgba(0, 212, 255, 0.5);
}

/* ── Body ───────────────────────────────────────────────── */
body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Rajdhani', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ── Parallax Background ────────────────────────────────── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(168, 85, 247, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(255, 45, 109, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ── Page Wrapper (centrage universel) ──────────────────── */
.page-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
}

/* ── Formes géométriques parallax ───────────────────────── */
.geo-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.geo-layer .shape {
    position: absolute;
    border: 1px solid;
    opacity: 0.12;
}

.shape-1 {
    width: 300px; height: 300px;
    border-color: var(--neon-blue);
    top: -100px; left: -80px;
    transform: rotate(20deg);
    animation: float1 25s linear infinite;
}
.shape-2 {
    width: 200px; height: 200px;
    border-color: var(--neon-pink);
    top: 60%; right: -60px;
    transform: rotate(45deg);
    animation: float2 18s linear infinite;
}
.shape-3 {
    width: 150px; height: 150px;
    border-color: var(--neon-purple);
    bottom: 10%; left: 10%;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    border: none;
    background: rgba(168, 85, 247, 0.06);
    animation: float3 22s linear infinite;
}
.shape-4 {
    width: 80px; height: 80px;
    border-color: var(--neon-blue);
    top: 30%; right: 15%;
    transform: rotate(15deg);
    animation: float1 14s linear infinite;
    opacity: 0.18;
}
.shape-5 {
    width: 400px; height: 400px;
    border-color: var(--neon-pink);
    bottom: -150px; right: -100px;
    transform: rotate(30deg);
    animation: float2 30s linear infinite;
    opacity: 0.06;
}
.shape-6 {
    width: 60px; height: 60px;
    top: 15%; left: 25%;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    border: none;
    background: rgba(0, 212, 255, 0.08);
    animation: float3 16s linear infinite;
}

.geo-layer::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

@keyframes float1 {
    0%   { transform: rotate(20deg) translateY(0px); }
    50%  { transform: rotate(25deg) translateY(-30px); }
    100% { transform: rotate(20deg) translateY(0px); }
}
@keyframes float2 {
    0%   { transform: rotate(45deg) translateX(0px); }
    50%  { transform: rotate(40deg) translateX(20px); }
    100% { transform: rotate(45deg) translateX(0px); }
}
@keyframes float3 {
    0%   { transform: translateY(0px) scale(1); }
    50%  { transform: translateY(-20px) scale(1.05); }
    100% { transform: translateY(0px) scale(1); }
}

/* ── Container ──────────────────────────────────────────── */
.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 580px;
    padding: 2.5rem 2rem;
    text-align: center;
    background: var(--surface);
    border: 1px solid rgba(0, 212, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 0 40px rgba(0, 212, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), var(--neon-pink), transparent);
}

/* ── Typographie ────────────────────────────────────────── */
h1 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
    text-transform: uppercase;
}

.subtitle {
    color: var(--muted);
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

/* ── Filtres ────────────────────────────────────────────── */
.filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-align: left;
    flex: 1;
    min-width: 140px;
}

.filter-group label {
    font-size: 0.75rem;
    color: var(--neon-blue);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-family: 'Orbitron', monospace;
}

select {
    background: rgba(0, 0, 20, 0.8);
    color: var(--text);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius);
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    font-family: 'Rajdhani', sans-serif;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

select:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: var(--glow-blue);
}

/* ── Boutons ────────────────────────────────────────────── */
.btn-play, .btn-submit, .btn-next {
    position: relative;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--neon-pink);
    border-radius: var(--radius);
    padding: 0.75rem 2.5rem;
    font-size: 1rem;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s;
    overflow: hidden;
    margin-top: 0.5rem;
}

.btn-play::before, .btn-submit::before, .btn-next::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 45, 109, 0.15), rgba(0, 212, 255, 0.15));
    opacity: 0;
    transition: opacity 0.2s;
}

.btn-play:hover, .btn-submit:hover, .btn-next:hover {
    border-color: var(--neon-blue);
    box-shadow: var(--glow-pink), var(--glow-blue);
    color: white;
}

.btn-play:hover::before, .btn-submit:hover::before, .btn-next:hover::before {
    opacity: 1;
}

.btn-home {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.2s;
    font-family: 'Orbitron', monospace;
}

.btn-home:hover { color: var(--neon-blue); }

/* ── Timer ──────────────────────────────────────────────── */
.timer {
    font-family: 'Orbitron', monospace;
    font-size: 5rem;
    font-weight: 900;
    color: var(--neon-blue);
    text-shadow: var(--glow-blue);
    margin: 1.5rem 0 0.5rem;
    line-height: 1;
    transition: color 0.3s;
}

.timer.urgent {
    color: var(--neon-pink);
    text-shadow: var(--glow-pink);
    animation: pulse 0.5s ease-in-out infinite alternate;
}

@keyframes pulse {
    from { opacity: 1; }
    to   { opacity: 0.6; }
}

.timer-bar {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.05);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.timer-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
    transition: width 1s linear;
    box-shadow: 0 0 10px var(--neon-blue);
}

/* ── Input réponse ──────────────────────────────────────── */
.answer-zone {
    display: flex;
    gap: 0.5rem;
}

input[type="text"] {
    flex: 1;
    background: rgba(0, 0, 20, 0.8);
    color: var(--text);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: 'Rajdhani', sans-serif;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: var(--glow-blue);
}

input[type="text"]:disabled { opacity: 0.5; }

/* ── Vue Résultat ───────────────────────────────────────── */
.result-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
}

.result-verdict {
    font-family: 'Orbitron', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.correct-text { color: var(--neon-blue); text-shadow: var(--glow-blue); }
.wrong-text   { color: var(--neon-pink); text-shadow: var(--glow-pink); }

.illustration-large {
    width: 100%;
    max-width: 340px;
    border-radius: var(--radius);
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: var(--glow-blue);
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}

.result-details {
    width: 100%;
    border: 1px solid rgba(0, 212, 255, 0.15);
    background: rgba(0, 0, 20, 0.5);
    padding: 0.8rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.detail-label {
    font-family: 'Orbitron', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    white-space: nowrap;
}

.detail-value {
    font-size: 1rem;
    color: var(--text);
    text-align: right;
}

.result-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
}

.btn-retour {
    color: var(--muted);
    text-decoration: none;
    font-family: 'Orbitron', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.2s, border-color 0.2s;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
}

.btn-retour:hover { color: var(--neon-blue); border-color: rgba(0, 212, 255, 0.3); }

/* ── Utilitaires ────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 480px) {
    h1 { font-size: 1.3rem; }
    .timer { font-size: 3.5rem; }
    .container { padding: 1.5rem 1rem; }
    .filters { flex-direction: column; }
    .answer-zone { flex-direction: column; }
    .btn-play, .btn-submit, .btn-next { width: 100%; }
    .result-actions { flex-direction: column; }
    .btn-retour { width: 100%; text-align: center; }
}

/* ── Bibliothèque ───────────────────────────────────────── */
.bib-search {
    margin-bottom: 1.2rem;
}

.bib-search input {
    width: 100%;
}

.bib-table-wrapper {
    width: 100%;
    overflow-x: auto;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

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

.bib-table th {
    font-family: 'Orbitron', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--neon-blue);
    padding: 0.7rem 0.8rem;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    background: rgba(0, 0, 20, 0.6);
    white-space: nowrap;
}

.bib-table td {
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text);
    vertical-align: middle;
}

.bib-table tbody tr:hover {
    background: rgba(0, 212, 255, 0.04);
}

.type-badge {
    font-family: 'Orbitron', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--neon-pink);
    border: 1px solid rgba(255, 45, 109, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 2px;
    white-space: nowrap;
}

.btn-play-mini {
    background: transparent;
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--neon-blue);
    border-radius: var(--radius);
    width: 32px;
    height: 32px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.btn-play-mini:hover,
.btn-play-mini.playing {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--neon-blue);
    box-shadow: var(--glow-blue);
}

.bib-actions {
    margin-top: 1.5rem;
    text-align: center;
}

/* Boutons côte à côte sur index */
.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.btn-secondary {
    position: relative;
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-radius: var(--radius);
    padding: 0.75rem 2.5rem;
    font-size: 1rem;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
    overflow: hidden;
    margin-top: 0.5rem;
}

.btn-secondary:hover {
    border-color: var(--neon-blue);
    box-shadow: var(--glow-blue);
    color: white;
}

.project-note {
    margin-top: 1.5rem;
    font-size: 0.90rem;
    color: var(--text);
    letter-spacing: 0.05em;
    line-height: 1.6;
}

.project-note a {
    color: var(--neon-blue);
    transition: opacity 0.2s;
}

.project-note a:hover { opacity: 0.7; }

@media (max-width: 480px) {
    .btn-group { flex-direction: column; }
    .btn-secondary { width: 100%; text-align: center; }
}