/* ═══════════════════════════════════════════════════════════
   DRAMAS  –  Global stylesheet
   Dark Netflix-style streaming UI
═══════════════════════════════════════════════════════════ */

:root {
    --primary:         #e50914;
    --primary-dark:    #b20710;
    --primary-light:   #ff1a24;
    --bg-primary:      #0a0a0a;
    --bg-secondary:    #141414;
    --bg-tertiary:     #1a1a1a;
    --bg-card:         #1f1f1f;
    --bg-hover:        #2a2a2a;
    --text-primary:    #ffffff;
    --text-secondary:  #b3b3b3;
    --text-tertiary:   #808080;
    --border-color:    #2a2a2a;
    --radius-sm:       6px;
    --radius-md:       10px;
    --radius-lg:       16px;
    --shadow-sm:       0 2px 8px rgba(0,0,0,.4);
    --shadow-md:       0 4px 16px rgba(0,0,0,.6);
    --shadow-lg:       0 8px 32px rgba(0,0,0,.8);
    --shadow-glow:     0 0 30px rgba(229,9,20,.35);
    --transition-fast: .15s ease;
    --transition-base: .3s ease;
    --transition-slow: .5s ease;
    --header-h:        72px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }

/* ── HEADER ─────────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: linear-gradient(180deg, rgba(10,10,10,.97) 0%, rgba(10,10,10,.6) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,.04);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    background: rgba(10,10,10,.96);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    height: 100%;
    padding: 0 clamp(1rem, 4vw, 2.5rem);
}

/* Logo */
.logo {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Platform tabs */
.platform-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--border-color);
}

.tab-btn {
    padding: 7px 18px;
    border-radius: var(--radius-sm);
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.tab-btn.active {
    background: var(--primary);
    color: #fff;
}

.tab-btn:hover:not(.active) {
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* Search */
.header-right { margin-left: auto; }

.search-bar {
    position: relative;
    width: 280px;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px; height: 18px;
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 14px 10px 42px;
    color: var(--text-primary);
    font-size: .9rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition-base);
}

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

.search-input:focus {
    border-color: var(--primary);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 3px rgba(229,9,20,.12);
}

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
    position: relative;
    height: 88vh;
    min-height: 580px;
    margin-top: var(--header-h);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center top;
    animation: ken-burns 30s ease-in-out infinite alternate;
}

@keyframes ken-burns {
    from { transform: scale(1); }
    to   { transform: scale(1.08); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to right, rgba(10,10,10,.96) 0%, rgba(10,10,10,.6) 55%, transparent 100%),
        linear-gradient(to top, rgba(10,10,10,1) 0%, transparent 55%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
    padding: 0 clamp(1rem, 4vw, 2.5rem);
    animation: fadeUp .8s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1rem;
}

.hero-tag {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: .8rem;
    color: var(--text-secondary);
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.75rem;
    color: var(--text-secondary);
    font-size: .9rem;
    flex-wrap: wrap;
}

.hero-meta span { display: flex; align-items: center; gap: 6px; }

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

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border: none;
    border-radius: var(--radius-md);
    font-size: .95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-base);
    outline: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255,255,255,.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,.2);
}

.btn-secondary:hover {
    background: rgba(255,255,255,.2);
    border-color: #fff;
}

.btn-sm { padding: 8px 16px; font-size: .85rem; }

.btn-load-more {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 14px 48px;
    font-size: 1rem;
}

.btn-load-more:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
    color: #fff;
}

/* ── FILTER BAR ─────────────────────────────────────────────── */
.filter-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: var(--header-h);
    z-index: 100;
    backdrop-filter: blur(12px);
}

.filter-inner {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: .75rem clamp(1rem, 4vw, 2.5rem);
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-tertiary);
}

.filter-inner::-webkit-scrollbar { height: 3px; }
.filter-inner::-webkit-scrollbar-track { background: var(--bg-tertiary); }
.filter-inner::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

.filter-chip {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 7px 16px;
    border-radius: 50px;
    font-size: .82rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.filter-chip:hover {
    color: var(--text-primary);
    border-color: var(--primary);
}

.filter-chip.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ── SORT BAR ───────────────────────────────────────────────── */
.sort-bar {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,.04);
}

.sort-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 clamp(1rem, 4vw, 2.5rem);
}

.sort-label { color: var(--text-tertiary); font-size: .85rem; }

.sort-select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-family: inherit;
    font-size: .85rem;
    outline: none;
    cursor: pointer;
}

.sort-select:focus { border-color: var(--primary); }

.results-count {
    margin-left: auto;
    color: var(--text-tertiary);
    font-size: .85rem;
}

/* ── MAIN / GRID ────────────────────────────────────────────── */
.main-content {
    padding: 2rem clamp(1rem, 4vw, 2.5rem) 4rem;
    min-height: 60vh;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

/* ── CARD ───────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
    border: 1px solid transparent;
    position: relative;
    display: block;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.card-poster {
    position: relative;
    padding-top: 150%;  /* 2:3 aspect ratio */
    overflow: hidden;
    background: var(--bg-tertiary);
}

.card-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-img { transform: scale(1.05); }

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.92) 0%, rgba(0,0,0,.3) 50%, transparent 100%);
    opacity: 0;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card:hover .card-overlay { opacity: 1; }

.card-play {
    width: 54px; height: 54px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(.7);
    opacity: 0;
    transition: var(--transition-base);
    box-shadow: var(--shadow-glow);
}

.card:hover .card-play { transform: scale(1); opacity: 1; }

.card-play svg { width: 22px; height: 22px; color: #fff; margin-left: 3px; }

.card-eps {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,.75);
    color: #fff;
    font-size: .72rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.card-info { padding: .875rem 1rem 1rem; }

.card-title {
    font-size: .92rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: .5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.4em;
}

.card-meta { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: .4rem; }

.card-tag {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    padding: 2px 8px;
    border-radius: 50px;
    font-size: .7rem;
    color: var(--text-tertiary);
    transition: var(--transition-fast);
}

.card:hover .card-tag {
    background: rgba(229,9,20,.15);
    border-color: rgba(229,9,20,.4);
    color: var(--primary-light);
}

.card-stats { display: flex; gap: .75rem; }

.card-views {
    font-size: .72rem;
    color: var(--text-tertiary);
}

/* ── LOADING / EMPTY STATES ─────────────────────────────────── */
.loading-state,
.empty-state,
.page-loading,
.page-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 2rem;
    gap: 1.25rem;
    text-align: center;
}

.spinner {
    width: 44px; height: 44px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    flex-shrink: 0;
}

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

.loading-state p,
.empty-state p,
.page-loading p { color: var(--text-secondary); font-size: .95rem; }

.empty-state h3,
.page-error h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: .25rem;
}

.load-more-wrap {
    display: flex;
    justify-content: center;
    padding: 2.5rem 0;
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2.5rem clamp(1rem, 4vw, 2.5rem);
    margin-top: 2rem;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text { color: var(--text-tertiary); font-size: .85rem; }

/* ══════════════════════════════════════════════════════════════
   WATCH PAGE
══════════════════════════════════════════════════════════════ */

.watch-body { background: var(--bg-primary); }

.page-loading,
.page-error {
    min-height: calc(100vh - var(--header-h));
    margin-top: var(--header-h);
}

.watch-content { margin-top: var(--header-h); }

/* ── Player ─────────────────────────────────────────────────── */
.player-section {
    background: #000;
    width: 100%;
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    overflow: hidden;
}

.player-container {
    position: relative;
    flex: 1;
    min-height: 0;
    background: #000;
    overflow: hidden;
}

.player-container > * {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.video-player {
    width: 100%;
    height: 100%;
    display: block;
    background: #000;
}

.player-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: #000;
    color: var(--text-tertiary);
    font-size: .95rem;
}

.player-error { gap: .5rem; }

.player-error-msg { font-size: .82rem; color: var(--text-tertiary); }

/* ── Drama Detail ───────────────────────────────────────────── */
.drama-detail {
    padding: 2.5rem clamp(1rem, 4vw, 2.5rem);
    border-bottom: 1px solid var(--border-color);
}

.drama-detail-inner {
    display: flex;
    gap: 2.5rem;
    max-width: 1200px;
}

.drama-poster-wrap {
    flex-shrink: 0;
    width: 180px;
}

.drama-poster {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    aspect-ratio: 2/3;
    object-fit: cover;
}

.drama-info { flex: 1; min-width: 0; }

.drama-badges {
    display: flex;
    gap: .5rem;
    margin-bottom: .75rem;
    flex-wrap: wrap;
}

.badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.badge-platform {
    background: rgba(229,9,20,.2);
    border: 1px solid var(--primary);
    color: var(--primary);
}

.badge-complete {
    background: rgba(16,185,129,.15);
    border: 1px solid #10b981;
    color: #10b981;
}

.drama-title {
    font-size: clamp(1.5rem, 3.5vw, 2.4rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: .875rem;
}

.drama-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: .9rem;
    flex-wrap: wrap;
}

.drama-stats span { display: flex; align-items: center; gap: 5px; }

.drama-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: 1.25rem;
}

.drama-tag {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: .78rem;
    color: var(--text-secondary);
}

.drama-description {
    font-size: .95rem;
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 700px;
}

/* ── Episodes ───────────────────────────────────────────────── */
.episodes-section {
    padding: 2rem clamp(1rem, 4vw, 2.5rem) 3rem;
}

.episodes-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.episodes-title {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.episodes-count { color: var(--text-tertiary); font-size: .85rem; }

.episodes-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
}

.episode-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: .5rem;
    font-family: inherit;
    color: var(--text-secondary);
}

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

.episode-card.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.ep-num { font-size: .85rem; font-weight: 600; }

.ep-play { font-size: .7rem; opacity: .6; }

.episode-card.active .ep-play { opacity: 1; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .search-bar { width: 220px; }
}

@media (max-width: 768px) {
    :root { --header-h: 62px; }

    .header-inner { gap: .875rem; }

    .platform-tabs { display: none; }

    .search-bar { width: auto; flex: 1; }

    .hero { height: 72vh; min-height: 460px; }

    .card-grid { grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); gap: .875rem; }

    .drama-detail-inner { flex-direction: column; gap: 1.5rem; }

    .drama-poster-wrap { width: 120px; }

    .episodes-grid { gap: .45rem; }
}

@media (max-width: 480px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); gap: .75rem; }

    .hero { height: 65vh; }

    .episode-card { padding: 8px 12px; }

    .btn { padding: 11px 20px; }
}

/* ── Episode nav bar (below player) ──────────────────────────────────────── */
.ep-nav {
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: .6rem clamp(.75rem, 3vw, 1.5rem);
    flex-shrink: 0;
}

.ep-nav-prev,
.ep-nav-next {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
    flex-shrink: 0;
}

.ep-nav-prev svg,
.ep-nav-next svg { width: 18px; height: 18px; }

.ep-nav-prev:hover:not(:disabled),
.ep-nav-next:hover:not(:disabled) {
    background: var(--primary);
    border-color: var(--primary);
}

.ep-nav-prev:disabled,
.ep-nav-next:disabled {
    opacity: .25;
    cursor: not-allowed;
}

.ep-nav-label {
    font-size: .85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: .02em;
    flex: 1;
    text-align: center;
}