:root {
    --bg: #0f1017;
    --bg-soft: #171926;
    --bg-panel: #1f2133;
    --border: rgba(255, 255, 255, 0.08);
    --accent: #ffb347;
    --accent-2: #ffcc66;
    --text: #f6f6fb;
    --muted: rgba(246, 246, 251, 0.72);
    --card-radius: 24px;
    font-family: "Inter", "HarmonyOS Sans", "PingFang SC", sans-serif;
    color: var(--text);
    background: var(--bg);
}

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

body.atelier-body {
    margin: 0;
    background: radial-gradient(circle at top, #1f2134 0%, #0d0e15 55%);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

.atelier-shell {
    width: min(1200px, 100% - 40px);
    margin: 0 auto;
}

.atelier-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(20px);
    background: rgba(12, 13, 20, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.atelier-header .atelier-shell {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: grid;
    place-items: center;
    font-weight: 700;
    color: #111;
}

.brand-info strong {
    display: block;
    font-size: 17px;
}

.brand-info small {
    color: var(--muted);
    font-size: 12px;
}

.atelier-nav {
    display: flex;
    gap: 12px;
    flex: 1;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    color: var(--muted);
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--accent);
    border-color: rgba(255, 179, 71, 0.4);
    background: rgba(255, 179, 71, 0.08);
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    padding: 4px;
    border-radius: 999px;
}

.search-box input {
    background: transparent;
    border: none;
    color: var(--text);
    padding: 6px 12px;
    min-width: 180px;
}

.search-box input:focus {
    outline: none;
}

.search-box button {
    border: none;
    border-radius: 999px;
    padding: 6px 16px;
    background: var(--accent);
    color: #111;
    font-weight: 600;
    cursor: pointer;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text);
}

.atelier-main {
    padding: 40px 0 80px;
}

.atelier-section {
    margin-bottom: 40px;
}

.hero-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 26px;
    background: var(--bg-panel);
    border-radius: 32px;
    border: 1px solid var(--border);
    padding: 36px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    margin-bottom: 40px;
}

.hero-panel h1 {
    margin: 0 0 14px;
    font-size: 36px;
}

.hero-panel p {
    margin: 0 0 20px;
    color: var(--muted);
    font-size: 15px;
}

.hero-actions {
    display: flex;
    gap: 12px;
}

.hero-actions a {
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 14px;
}

.hero-actions a.primary {
    background: var(--accent);
    color: #111;
    border: none;
}

.hero-stats {
    display: grid;
    gap: 14px;
    background: linear-gradient(135deg, rgba(255, 179, 71, 0.15), rgba(255, 204, 102, 0.05));
    border-radius: 22px;
    padding: 24px;
    border: 1px solid rgba(255, 179, 71, 0.3);
}

.hero-stats span {
    font-size: 15px;
    color: var(--muted);
}

.hero-stats strong {
    color: var(--accent);
    font-size: 20px;
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-head h2 {
    margin: 0;
    font-size: 22px;
}

.section-head a {
    font-size: 14px;
    color: var(--accent);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 20px;
}

.video-card {
    background: var(--bg-panel);
    border-radius: var(--card-radius);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform .2s ease, border .2s ease;
}

.video-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 179, 71, 0.5);
}

.card-thumb {
    position: relative;
    padding-top: 140%;
    overflow: hidden;
}

.card-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 999px;
    font-size: 12px;
}

.card-info {
    padding: 16px 18px 20px;
}

.card-info .title {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 15px;
}

.card-info .meta {
    color: var(--muted);
    font-size: 13px;
}

.empty-state {
    border: 1px dashed var(--border);
    border-radius: 24px;
    padding: 60px;
    text-align: center;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.01);
}

.atelier-detail {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    background: var(--bg-panel);
    border-radius: 30px;
    border: 1px solid var(--border);
    padding: 32px;
    margin-bottom: 30px;
}

.detail-poster img {
    width: 100%;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.45);
}

.detail-meta h1 {
    margin: 0 0 16px;
    font-size: 32px;
}

.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.detail-tags span {
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(255, 179, 71, 0.15);
    color: var(--accent);
    font-size: 12px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px 18px;
    font-size: 14px;
    color: var(--muted);
}

.detail-grid strong {
    display: block;
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 4px;
}

.atelier-player {
    background: var(--bg-panel);
    border-radius: 28px;
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 30px;
}

.atelier-player #artplayer-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: #05060a;
}

.atelier-player .player-panel {
    padding: 22px 26px;
    border-top: 1px solid var(--border);
}

.panel-block:not(:last-child) {
    margin-bottom: 20px;
}

.source-list,
.episode-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.source-btn,
.episode-btn {
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: all .2s ease;
}

.source-btn.active,
.episode-btn.active {
    background: var(--accent);
    color: #111;
    border-color: var(--accent);
}

.atelier-desc {
    background: var(--bg-panel);
    border-radius: 28px;
    border: 1px solid var(--border);
    padding: 26px;
    line-height: 1.8;
    color: var(--muted);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
}

.pagination a,
.pagination span {
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
}

.pagination .active {
    background: var(--accent);
    color: #111;
    border-color: var(--accent);
}

.atelier-footer {
    padding: 30px 0 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(8, 9, 14, 0.95);
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 900px) {
    .atelier-nav {
        position: absolute;
        top: 100%;
        right: 20px;
        flex-direction: column;
        background: var(--bg-panel);
        padding: 18px;
        border-radius: 20px;
        border: 1px solid var(--border);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        opacity: 0;
        pointer-events: none;
        transform: translateY(10px);
        transition: all .2s ease;
    }

    .atelier-nav[data-open="true"] {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-toggle {
        display: flex;
    }

    .search-box {
        width: 100%;
    }

    .atelier-detail {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 580px) {
    .hero-panel {
        padding: 26px;
    }

    .card-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}