/* bw-tracker — dark theme for black & white cinema */

:root {
    --bg: #0a0a0a;
    --bg-card: #151515;
    --bg-card-hover: #1e1e1e;
    --bg-input: #1a1a1a;
    --border: #2a2a2a;
    --text: #e0e0e0;
    --text-dim: #888;
    --accent: #ccc;
    --chip-bg: #252525;
    --chip-active: #444;
    --tag-bg: #222;
    --rating: #f5c518;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

.hidden { display: none !important; }

/* ── header ── */
header {
    padding: 2.5rem 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
}
header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
header .subtitle {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

/* ── main layout ── */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* ── back button ── */
.back-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.4rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    margin-bottom: 1rem;
    transition: all 0.15s;
}
.back-btn:hover {
    color: var(--text);
    border-color: var(--accent);
}

/* ── filter bar ── */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.category-tabs {
    display: flex;
    gap: 0.25rem;
    width: 100%;
    margin-bottom: 0.5rem;
}
.category-tabs button {
    background: var(--bg-input);
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
}
.category-tabs button:first-child { border-radius: 4px 0 0 4px; }
.category-tabs button:last-child { border-radius: 0 4px 4px 0; }
.category-tabs button.active {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.filter-group label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
}
.filter-group input,
.filter-group select {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.45rem 0.6rem;
    font-size: 0.85rem;
    border-radius: 4px;
    outline: none;
}
.filter-group input:focus,
.filter-group select:focus { border-color: var(--accent); }
.filter-group input[type="text"] { width: 260px; }
.filter-group input[type="number"] { width: 80px; }

.year-range { flex-direction: row; gap: 0.3rem; align-items: flex-end; }
.sort-group { flex-direction: row; gap: 0.3rem; align-items: flex-end; }

#sort-dir {
    background: var(--bg-input);
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 0.45rem 0.6rem;
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
}
#sort-dir:hover { color: var(--text); }

/* ── genre picker ── */
.genre-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    max-width: 600px;
}
.genre-btn {
    background: var(--tag-bg);
    color: var(--text-dim);
    border: 1px solid transparent;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.15s;
}
.genre-btn:hover { color: var(--text); border-color: var(--border); }
.genre-btn.active { background: var(--chip-active); color: var(--text); border-color: var(--accent); }

/* ── active filter chips ── */
.active-filters { display: flex; flex-wrap: wrap; gap: 0.4rem; width: 100%; }
.chip {
    background: var(--chip-bg);
    color: var(--text-dim);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.chip strong { color: var(--text); }
.chip button {
    background: none; border: none; color: var(--text-dim);
    cursor: pointer; font-size: 1rem; line-height: 1; padding: 0;
}
.chip button:hover { color: var(--text); }

/* ── results count ── */
.results-count { color: var(--text-dim); font-size: 0.82rem; margin-bottom: 1rem; }

/* ── film grid ── */
.film-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.2rem;
}

.film-card {
    background: var(--bg-card);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    animation: fadeIn 0.3s ease;
}
.film-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.04);
    background: var(--bg-card-hover);
}
.film-card .poster {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    display: block;
    background: #111;
}
.film-card .info { padding: 0.7rem 0.8rem 0.9rem; }
.film-card .title { font-size: 0.9rem; font-weight: 600; line-height: 1.3; margin-bottom: 0.3rem; }
.film-card .meta {
    font-size: 0.78rem; color: var(--text-dim);
    display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 0.4rem;
}
.film-card .rating { color: var(--rating); font-weight: 600; }
.film-card .director { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 140px; }
.film-card .genres { display: flex; flex-wrap: wrap; gap: 0.25rem; }

.genre-tag {
    background: var(--tag-bg); color: var(--text-dim);
    padding: 0.1rem 0.5rem; border-radius: 10px; font-size: 0.7rem;
    cursor: pointer; transition: all 0.15s;
}
.genre-tag:hover { color: var(--text); background: var(--chip-active); }

.clickable { cursor: pointer; transition: color 0.15s; }
.clickable:hover { color: var(--text); text-decoration: underline; }

.no-results { grid-column: 1 / -1; text-align: center; color: var(--text-dim); padding: 3rem; }

/* ── film detail page ── */
.film-page { animation: fadeIn 0.3s ease; }

.film-backdrop {
    width: 100%;
    height: 400px;
    background-size: cover;
    background-position: center top;
    background-color: #111;
    position: relative;
    margin: -1.5rem -1.5rem 0;
    width: calc(100% + 3rem);
}
.film-backdrop-fade {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 70%;
    background: linear-gradient(transparent, var(--bg));
}

.film-page-content {
    margin-top: -6rem;
    position: relative;
    z-index: 1;
}

.film-page-top {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.film-page-poster {
    flex-shrink: 0;
    width: 250px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
    transition: transform 0.2s;
}
.film-page-poster:hover { transform: scale(1.02); }
.film-page-poster img { width: 100%; display: block; }

.film-page-info { flex: 1; min-width: 0; padding-top: 2rem; }
.film-page-info h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 0.4rem; }
.film-page-meta {
    color: var(--text-dim); font-size: 1rem;
    display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 0.8rem; align-items: center;
}
.film-page-meta .rating { color: var(--rating); font-weight: 700; font-size: 1.1rem; }
.film-page-genres { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.film-page-genres .genre-tag { font-size: 0.85rem; padding: 0.25rem 0.8rem; }

.film-page-links {
    display: flex; gap: 0.5rem; flex-wrap: wrap;
}
.film-page-links a, .person-page-links a {
    background: var(--chip-bg); color: var(--text);
    padding: 0.4rem 1rem; border-radius: 4px;
    font-size: 0.85rem; text-decoration: none;
    transition: background 0.15s;
}
.film-page-links a:hover, .person-page-links a:hover { background: var(--chip-active); }

.film-page-section { margin-bottom: 2rem; }
.film-page-section h2 {
    font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--text-dim); margin-bottom: 0.8rem;
    padding-bottom: 0.4rem; border-bottom: 1px solid var(--border);
}

.film-overview { color: var(--text); line-height: 1.8; font-size: 0.95rem; }

/* ── people grid ── */
.people-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.person-card {
    background: var(--bg-card);
    border-radius: 6px;
    overflow: hidden;
    width: 120px;
    cursor: pointer;
    transition: transform 0.15s, background 0.15s;
    text-align: center;
}
.person-card:hover { transform: translateY(-2px); background: var(--bg-card-hover); }
.person-card img {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    display: block;
    background: #111;
}
.no-photo {
    width: 100%;
    aspect-ratio: 2/3;
    background: #1a1a1a;
}
.person-name {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 0.4rem 0.1rem;
    line-height: 1.2;
}
.person-role {
    display: block;
    font-size: 0.7rem;
    color: var(--text-dim);
    padding: 0 0.4rem 0.5rem;
}

/* ── person page ── */
.person-page { animation: fadeIn 0.3s ease; }

.person-page-header {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}
.person-page-photo {
    flex-shrink: 0;
    width: 200px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.person-page-photo img { width: 100%; display: block; }
.person-page-no-photo {
    width: 200px;
    aspect-ratio: 2/3;
    background: #1a1a1a;
    border-radius: 8px;
}
.person-page-info { padding-top: 1rem; }
.person-page-info h1 { font-size: 2rem; font-weight: 700; margin-bottom: 0.3rem; }
.person-film-count { color: var(--text-dim); margin-bottom: 1rem; }
.person-page-links { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.person-page-section { margin-bottom: 2rem; }
.person-page-section h2 {
    font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--text-dim); margin-bottom: 1rem;
    padding-bottom: 0.4rem; border-bottom: 1px solid var(--border);
}

/* ── poster lightbox ── */
.lightbox {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(0, 0, 0, 0.92);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
}
.lightbox.hidden { display: none; }
.lightbox img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: 4px; }

/* ── footer ── */
footer {
    text-align: center; padding: 2rem; color: var(--text-dim);
    font-size: 0.8rem; border-top: 1px solid var(--border); margin-top: 3rem;
}
footer a { color: var(--accent); }

/* ── view nav ── */
.view-nav {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}
.view-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 0.9rem;
    padding: 0.4rem 0;
    margin-right: 1.5rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}
.view-btn:hover { color: var(--text); }
.view-btn.active { color: var(--text); border-bottom-color: var(--text); }

/* ── favorites page ── */
.favorites-view { max-width: 100%; padding: 0; }

.favorites-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.favorites-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeIn 0.6s ease;
}
.favorites-header h1 {
    font-size: 3rem;
    font-weight: 200;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.favorites-header p {
    color: var(--text-dim);
    font-size: 1rem;
    font-style: italic;
    margin-bottom: 2rem;
}
.fav-back-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
}
.fav-back-btn:hover { color: var(--text); border-color: var(--accent); }

.favorites-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    width: 100%;
}

.fav-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 2/3;
    animation: favSlideUp 0.8s ease both;
}
.fav-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, filter 0.4s ease;
    filter: grayscale(30%);
}
.fav-card:hover img {
    transform: scale(1.05);
    filter: grayscale(0%);
}
.fav-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 3rem 1.5rem 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    transition: padding-bottom 0.3s;
}
.fav-card:hover .fav-overlay { padding-bottom: 2rem; }
.fav-overlay h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}
.fav-year {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}
.fav-note {
    display: block;
    color: rgba(255,255,255,0.4);
    font-size: 0.75rem;
    font-style: italic;
    margin-top: 0.3rem;
}

@keyframes favSlideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── animation ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ── responsive ── */
@media (max-width: 768px) {
    header { padding: 1.5rem 1rem 1rem; }
    header h1 { font-size: 1.3rem; }
    main { padding: 1rem; }
    .filter-group input[type="text"] { width: 100%; }
    .film-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.8rem; }
    .film-backdrop { height: 250px; margin: -1rem -1rem 0; width: calc(100% + 2rem); }
    .film-page-top { flex-direction: column; align-items: center; text-align: center; }
    .film-page-poster { width: 180px; }
    .film-page-info { padding-top: 0.5rem; }
    .film-page-info h1 { font-size: 1.5rem; }
    .film-page-meta { justify-content: center; }
    .film-page-genres { justify-content: center; }
    .film-page-links { justify-content: center; }
    .person-page-header { flex-direction: column; align-items: center; text-align: center; }
    .person-page-photo { width: 150px; }
    .person-page-links { justify-content: center; }
    .favorites-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .favorites-header h1 { font-size: 2rem; }
    .fav-overlay h2 { font-size: 1rem; }
}