/* =========================================================
   Musée Numérique du Web & de la Tech — Feuille de style
   Organisation : variables > base > header/filtres > grille
   > cartes > modale > footer
   ========================================================= */

:root {
    --bg-color: #0b0d17;
    --card-bg: #15192c;
    --accent-cyan: #00f3ff;
    --accent-pink: #ff0055;
    --accent-purple: #9d4edd;
    --text-color: #e2e8f0;
    --text-muted: #8a99ad;
    --border-color: #232946;
    --surface-hover: #191f36;
    --radius-card: 10px;
    --shadow-card: 0 10px 28px rgba(0, 0, 0, 0.22);
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

.crt-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
    background-size: 100% 4px;
    z-index: 999;
    pointer-events: none;
    opacity: 0.6;
}

/* ---------- Header ---------- */

header {
    text-align: center;
    padding: 2rem 1rem 1.4rem;
    background: linear-gradient(180deg, #13172b 0%, var(--bg-color) 100%);
    border-bottom: 1px solid var(--border-color);
}

h1 {
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: clamp(1.55rem, 3vw, 2.2rem);
    line-height: 1.15;
    margin-top: 0;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 12px rgba(0, 243, 255, 0.5);
}

.subtitle {
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 1.1rem;
    font-size: 0.95rem;
}

/* ---------- Recherche & filtres ---------- */

.search-bar-container {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    max-width: 750px;
    margin: 0 auto 0.9rem;
    padding: 0 1rem;
    flex-wrap: wrap;
}

.search-bar-container input,
.search-bar-container select {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    min-height: 40px;
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-bar-container input { flex: 1 1 250px; }
.search-bar-container select { flex: 0 1 200px; cursor: pointer; }

.search-bar-container input:focus,
.search-bar-container select:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 8px rgba(0, 243, 255, 0.3);
}

.filters-container {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.filter-btn {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.32rem 0.78rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    font-size: 0.85rem;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--accent-cyan);
    color: #000;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.4);
}

/* ---------- Grille d'artefacts ---------- */

main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 1rem 2rem;
}

.collection-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.85rem;
}

.results-count { margin: 0; color: var(--text-muted); font-size: 0.85rem; }

.view-switcher {
    display: inline-flex;
    gap: 0.25rem;
    padding: 0.22rem;
    background: #101426;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.view-btn, .load-more-btn {
    border: 0;
    color: var(--text-muted);
    background: transparent;
    cursor: pointer;
    font: inherit;
    font-size: 0.8rem;
    font-weight: 700;
}

.view-btn { padding: 0.35rem 0.65rem; border-radius: 6px; }
.view-btn:hover, .view-btn.active { color: #041014; background: var(--accent-cyan); }

.load-more-btn {
    display: block;
    min-width: 180px;
    margin: 1.25rem auto 0;
    padding: 0.65rem 1rem;
    color: var(--accent-cyan);
    background: rgba(0, 243, 255, 0.08);
    border: 1px solid rgba(0, 243, 255, 0.45);
    border-radius: 8px;
    transition: background 0.2s, transform 0.2s;
}

.load-more-btn:hover { background: rgba(0, 243, 255, 0.16); transform: translateY(-2px); }
.load-more-btn[hidden] { display: none; }

.category-web { --category-color: #00f3ff; --category-rgb: 0, 243, 255; }
.category-hardware { --category-color: #ff9f1c; --category-rgb: 255, 159, 28; }
.category-software { --category-color: #b26bff; --category-rgb: 178, 107, 255; }
.category-communication { --category-color: #ff4d8d; --category-rgb: 255, 77, 141; }
.category-ia { --category-color: #42f59e; --category-rgb: 66, 245, 158; }

.grid-container {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    align-items: stretch;
}

.card {
    background: linear-gradient(145deg, var(--card-bg), #121627);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--category-color, var(--accent-cyan));
    border-radius: var(--radius-card);
    padding: 0.9rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
}

.card:hover {
    transform: translateY(-3px);
    background: linear-gradient(145deg, var(--surface-hover), #14192c);
    border-color: var(--category-color, var(--accent-cyan));
    box-shadow: var(--shadow-card), 0 0 18px rgba(var(--category-rgb, 0, 243, 255), 0.16);
}

.card:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 3px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.55rem;
}

.badge {
    display: inline-block;
    background-color: rgba(var(--category-rgb, 0, 243, 255), 0.1);
    color: var(--category-color, var(--accent-cyan));
    max-width: calc(100% - 3.5rem);
    padding: 0.13rem 0.48rem;
    border-radius: 5px;
    font-size: 0.67rem;
    border: 1px solid var(--category-color, var(--accent-cyan));
    text-transform: uppercase;
    font-weight: bold;
    line-height: 1.35;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Chronologie ---------- */

.timeline-container { position: relative; max-width: 1040px; margin: 0 auto; }
.timeline-container::before {
    content: '';
    position: absolute;
    top: 0; bottom: 0; left: 56px;
    width: 2px;
    background: linear-gradient(var(--accent-cyan), var(--accent-purple), var(--accent-pink));
    opacity: 0.45;
}

.timeline-group {
    position: relative;
    display: grid;
    grid-template-columns: 76px 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.timeline-marker { position: relative; z-index: 1; align-self: start; padding-top: 0.65rem; }
.timeline-marker span {
    display: inline-block;
    min-width: 58px;
    padding: 0.2rem 0.35rem;
    color: #031316;
    background: var(--accent-cyan);
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 900;
    text-align: center;
    box-shadow: 0 0 12px rgba(0, 243, 255, 0.3);
}

.timeline-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }
.timeline-card { min-height: 120px; }

.year-tag {
    color: var(--accent-pink);
    font-weight: bold;
    font-size: 0.83rem;
    white-space: nowrap;
}

.card h3 {
    margin: 0 0 0.35rem;
    color: #fff;
    font-size: 1.05rem;
    line-height: 1.25;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.card p {
    color: #94a3b8;
    font-size: 0.8rem;
    line-height: 1.38;
    margin: 0;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.card-tags {
    display: flex;
    gap: 0.3rem;
    margin-top: 0.55rem;
    overflow: hidden;
}

.card-tags span {
    padding: 0.12rem 0.38rem;
    color: var(--category-color, var(--accent-cyan));
    background: rgba(var(--category-rgb, 0, 243, 255), 0.07);
    border-radius: 999px;
    font-size: 0.62rem;
    line-height: 1.35;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-context {
    display: flex;
    justify-content: space-between;
    gap: 0.4rem;
    margin-top: 0.45rem;
    padding-top: 0.4rem;
    border-top: 1px solid rgba(var(--category-rgb, 0, 243, 255), 0.12);
    color: var(--text-muted);
    font-size: 0.64rem;
}

.card-context span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Modale ---------- */

.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(6px);
    justify-content: center;
    align-items: center;
    padding: 1rem;
    z-index: 1000;
}

.modal-content {
    background-color: var(--card-bg);
    border: 1px solid var(--category-color, var(--accent-cyan));
    box-shadow: 0 0 30px rgba(var(--category-rgb, 0, 243, 255), 0.22);
    border-radius: 14px;
    padding: 1.1rem 1.2rem;
    max-width: 820px;
    width: min(92%, 820px);
    max-height: 88vh;
    overflow-y: auto;
    position: relative;
    animation: modalPop 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}

.close-btn {
    position: absolute;
    top: 0.65rem; right: 0.85rem;
    background: none; border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    transition: color 0.2s;
    z-index: 10;
}

.close-btn:hover { color: var(--accent-pink); }

body.modal-open { overflow: hidden; }

.modal-layout {
    display: grid;
    grid-template-columns: minmax(225px, 0.82fr) minmax(300px, 1.18fr);
    gap: 0.85rem;
    align-items: start;
}

.modal-visual-column,
.modal-info-column { min-width: 0; }

.modal-visual-column {
    position: sticky;
    top: 0;
}

.importance-box {
    clear: both;
    margin: 0.25rem 0 0.75rem;
    padding: 0.65rem 0.75rem;
    background: rgba(var(--category-rgb, 0, 243, 255), 0.07);
    border-left: 3px solid var(--category-color, var(--accent-cyan));
    border-radius: 7px;
}

.importance-box strong { color: var(--category-color, var(--accent-cyan)); font-size: 0.82rem; }
.importance-box p { margin: 0.25rem 0 0; color: var(--text-color); font-size: 0.82rem; line-height: 1.4; }

.technical-specs {
    margin: 0.7rem 0;
    padding: 0.6rem 0.7rem;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.technical-specs h4,
.related-section h4 {
    margin: 0 0 0.45rem;
    color: var(--category-color, var(--accent-cyan));
    font-size: 0.78rem;
    text-transform: uppercase;
}

.technical-specs > div {
    display: flex;
    justify-content: space-between;
    gap: 0.6rem;
    padding: 0.25rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.72rem;
}

.technical-specs > div:last-child { border-bottom: 0; }
.technical-specs span { color: var(--text-muted); }
.technical-specs strong { text-align: right; }

.related-section { margin-top: 0.8rem; }
.related-links { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.related-links button {
    padding: 0.3rem 0.5rem;
    color: var(--text-color);
    background: rgba(var(--category-rgb, 0, 243, 255), 0.08);
    border: 1px solid rgba(var(--category-rgb, 0, 243, 255), 0.35);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.72rem;
}

.related-links button:hover { color: #071012; background: var(--category-color, var(--accent-cyan)); }

.modal-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem 1rem;
    margin: 0.7rem 0;
    padding: 0.55rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border-left: 4px solid var(--accent-pink);
}

.modal-meta p { margin: 0; }

.anecdote-box {
    background: rgba(157, 78, 221, 0.1);
    border: 1px solid var(--accent-purple);
    border-radius: 8px;
    padding: 0.6rem 0.7rem;
    margin: 0.7rem 0;
    font-size: 0.84rem;
}

.anecdote-box strong { color: var(--accent-purple); }

.audio-btn {
    background: var(--accent-pink);
    color: #fff;
    border: none;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    margin-top: 0.35rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.share-link-btn {
    float: right;
    margin: 0.25rem 0 0.45rem 0.6rem;
    padding: 0.38rem 0.65rem;
    color: var(--category-color, var(--accent-cyan));
    background: rgba(var(--category-rgb, 0, 243, 255), 0.08);
    border: 1px solid rgba(var(--category-rgb, 0, 243, 255), 0.45);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
}

.share-link-btn:hover { background: rgba(var(--category-rgb, 0, 243, 255), 0.16); }

.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0.6rem;
    margin: 0.8rem 0;
}

.gallery-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.35rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.gallery-image {
    width: 100%;
    height: 110px;
    object-fit: contain;
    background: #0d101d;
    border-radius: 6px;
}

.gallery-image.image-unavailable {
    display: grid;
    place-items: center;
    min-height: 110px;
    background: repeating-linear-gradient(135deg, #0d101d, #0d101d 10px, #12172a 10px, #12172a 20px);
}

.gallery-caption {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin: 0.3rem 0 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.5rem;
    margin: 0.8rem 0;
}

.stat-card {
    background: rgba(0, 243, 255, 0.05);
    border: 1px solid rgba(0, 243, 255, 0.2);
    padding: 0.5rem;
    border-radius: 8px;
    text-align: center;
}

.stat-card .val {
    font-size: 0.95rem;
    font-weight: bold;
    color: var(--accent-cyan);
}

.stat-card .lbl {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.modal-text-content h4 {
    color: var(--accent-cyan);
    margin-top: 0.9rem;
    margin-bottom: 0.35rem;
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    padding-bottom: 0.3rem;
}

.modal-text-content p {
    margin: 0 0 0.7rem;
    font-size: 0.9rem;
    line-height: 1.48;
    text-align: justify;
    white-space: pre-line;
}

.chart-container {
    background: #0d101d;
    border: 1px solid var(--border-color);
    padding: 0.7rem;
    border-radius: 8px;
    margin-top: 0.9rem;
}

.chart-title {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 0.55rem;
    text-transform: uppercase;
    font-weight: bold;
}

.bar-group { margin-bottom: 0.6rem; }

.bar-label {
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.2rem;
}

.bar-year { color: var(--category-color, var(--accent-pink)); }

.bar-bg {
    background: rgba(255, 255, 255, 0.05);
    height: 10px;
    border-radius: 6px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
    border-radius: 6px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    padding: 2rem;
}

/* ---------- Footer ---------- */

footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
    font-size: 0.85rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 1050px) {
    header { padding-top: 1.5rem; }

    .grid-container {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .grid-container { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .timeline-cards { grid-template-columns: 1fr; }

    .modal-layout { grid-template-columns: 1fr; }
    .modal-visual-column { position: static; }
}

@media (max-width: 560px) {
    header { padding: 1.25rem 0.75rem 1rem; }
    h1 { letter-spacing: 1.5px; }
    .subtitle { font-size: 0.86rem; }

    .search-bar-container {
        display: grid;
        grid-template-columns: 1fr;
        padding: 0;
    }

    .search-bar-container input,
    .search-bar-container select { width: 100%; }

    .filters-container {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 0 0 0.35rem;
        scrollbar-width: thin;
    }

    .filter-btn { flex: 0 0 auto; }
    main { padding: 0.85rem 0.75rem 1.5rem; }

    .collection-toolbar { align-items: flex-start; }
    .view-switcher { flex: 0 0 auto; }
    .view-btn { padding-inline: 0.5rem; }

    .grid-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.6rem;
    }

    .card { padding: 0.72rem; }
    .card-header { align-items: flex-start; }
    .card h3 { font-size: 0.95rem; }
    .card p { font-size: 0.76rem; -webkit-line-clamp: 4; }

    .modal-content {
        width: 100%;
        max-height: calc(100vh - 1rem);
        padding: 1.1rem;
    }

    .modal { padding: 0.5rem; }
    .modal-meta { grid-template-columns: 1fr; }
    .gallery-image { height: 100px; }

    .timeline-container::before { left: 31px; }
    .timeline-group { grid-template-columns: 52px 1fr; gap: 0.55rem; }
    .timeline-marker span { min-width: 48px; font-size: 0.65rem; }
}

@media (max-width: 360px) {
    .grid-container { grid-template-columns: 1fr; }
}

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