/* ─── Series Page ─── */

.series-page {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-6) var(--space-16);
}

/* ─── Hero ─── */
.series-hero {
    display: flex;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-4);
    position: relative;
    overflow: hidden;
}

.series-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    background:
        radial-gradient(ellipse 600px 200px at 0% 50%, var(--accent-primary-subtle) 0%, transparent 70%),
        radial-gradient(ellipse 400px 150px at 100% 30%, var(--accent-violet-subtle) 0%, transparent 70%);
    pointer-events: none;
}

.series-hero > * { position: relative; }

.series-hero-cover {
    flex-shrink: 0;
    width: 180px;
}

.series-hero-cover img {
    width: 180px;
    height: 260px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    background: var(--surface-bg);
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
    display: block;
    animation: series-cover-in 1s ease-out forwards;
}

@keyframes series-cover-in {
    0% {
        filter: drop-shadow(0 0 0px rgba(79, 143, 224, 0));
        transform: scale(0.98);
    }
    60% {
        filter: drop-shadow(0 0 24px rgba(79, 143, 224, 0.35));
    }
    100% {
        filter: drop-shadow(0 8px 32px rgba(79, 143, 224, 0.2));
        transform: scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .series-hero-cover img {
        animation: none;
        filter: drop-shadow(0 8px 32px rgba(79, 143, 224, 0.2));
    }
}

.series-hero-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    flex: 1;
}

.series-hero-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--text-primary);
    margin: 0 0 var(--space-1);
}

.series-hero-author {
    font-size: var(--body);
    color: var(--text-secondary);
    margin: 0 0 var(--space-4);
}

.series-hero-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.series-hero-meta .series-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.15rem 0.6rem;
    font-size: var(--xs);
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    line-height: 1.4;
}

.series-badge-ongoing {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(79, 184, 133, 0.2);
}

.series-badge-completed {
    background: var(--accent-primary-subtle);
    color: var(--accent-primary);
    border: 1px solid rgba(79, 143, 224, 0.2);
}

.series-badge-hiatus {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid rgba(244, 184, 96, 0.25);
}

.series-hero-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-3);
    flex-wrap: wrap;
}

/* ─── Stats Obi (signature element) ─── */
.series-obi {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    overflow: hidden;
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow);
}

.series-obi-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-2);
    text-align: center;
    position: relative;
    gap: 0.125rem;
}

.series-obi-item + .series-obi-item {
    border-left: 1px solid var(--border);
}

.series-obi-value {
    font-size: var(--heading);
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    font-family: var(--font-display);
    letter-spacing: var(--tracking-tight);
    line-height: 1.1;
}

.series-obi-label {
    font-size: var(--xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-weight: var(--weight-medium);
}

.series-obi-item--highlight .series-obi-value {
    color: var(--accent-primary);
}

.series-obi-item--gold .series-obi-value {
    color: var(--accent-gold);
}

.series-obi-item--rating .series-obi-value {
    color: var(--accent-gold);
}

.series-obi-item--trackers .series-obi-value {
    color: var(--accent-primary);
}

/* ─── Content Grid ─── */
.series-content {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--space-6);
    align-items: start;
}

.series-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.series-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

/* ─── Cards ─── */
.series-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}

.series-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border);
}

.series-card-icon {
    width: 1.25rem;
    height: 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.series-card-title {
    font-size: var(--title);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

/* ─── Prediction Strip ─── */
.prediction-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.prediction-stat {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.prediction-stat-label {
    font-size: var(--caption);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-weight: var(--weight-medium);
}

.prediction-stat-value {
    font-size: 1rem;
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    font-family: var(--font-display);
    letter-spacing: var(--tracking-tight);
}

.prediction-stat-value--highlight {
    color: var(--accent-primary);
}

.prediction-stat-value--gold {
    color: var(--accent-gold);
}

.prediction-confidence-bar {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-1);
}

.prediction-confidence-track {
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.prediction-confidence-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--gradient-brand);
    transition: width var(--transition-smooth);
}

.prediction-confidence-label {
    font-size: var(--xs);
    color: var(--text-muted);
    font-weight: var(--weight-medium);
    min-width: 3rem;
    text-align: right;
}

/* ─── Review Summary ─── */
.review-summary {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.review-stars-large {
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--accent-gold);
    line-height: 1;
}

.review-stats {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.review-rating-value {
    font-size: var(--heading);
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    font-family: var(--font-display);
    letter-spacing: var(--tracking-tight);
}

.review-count-label {
    font-size: var(--caption);
    color: var(--text-muted);
}

/* ─── Source List ─── */
.source-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
    margin: 0;
}

.source-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1-5);
    padding: var(--space-2) var(--space-3);
    font-size: var(--caption);
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: var(--bg-surface);
}

.source-chip:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-primary-subtle);
    transform: translateY(-1px);
}

.source-chip-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.source-chip-dot--royalroad { background: #F4A460; }
.source-chip-dot--scribblehub { background: #FF69B4; }
.source-chip-dot--wuxiaworld { background: #E53935; }
.source-chip-dot--webnovel { background: #FFB300; }
.source-chip-dot--mvlempyr { background: #6C63FF; }

/* ─── Alias List ─── */
.alias-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.alias-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--surface-bg);
    border-radius: var(--radius-md);
    font-size: var(--body);
    color: var(--text-secondary);
}

.alias-lang {
    font-size: var(--xs);
    color: var(--text-muted);
    background: var(--surface-bg);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
}

.alias-lang--en { color: var(--accent-primary); }
.alias-lang--zh { color: var(--accent-gold); }
.alias-lang--ja { color: var(--accent-violet); }
.alias-lang--ko { color: var(--success); }

/* ─── CTA Card ─── */
.cta-card {
    text-align: center;
    background: var(--gradient-subtle);
    border-color: var(--accent-primary-subtle);
}

.cta-card-icon {
    font-size: 2rem;
    margin-bottom: var(--space-2);
    display: block;
    color: var(--accent-primary);
}

.cta-card h3 {
    font-size: var(--title);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    margin: 0 0 var(--space-1);
}

.cta-card p {
    font-size: var(--body);
    color: var(--text-muted);
    margin: 0 0 var(--space-4);
    line-height: var(--leading-normal);
}

.cta-card .btn {
    width: 100%;
}

/* ─── Sidebar Stats ─── */
.sidebar-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
}

.sidebar-stat + .sidebar-stat {
    border-top: 1px solid var(--border);
}

.sidebar-stat-label {
    font-size: var(--body);
    color: var(--text-secondary);
}

.sidebar-stat-value {
    font-size: var(--body);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    font-family: var(--font-display);
}

/* ─── Chapter History Preview ─── */
.chapter-history-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.chapter-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--caption);
    color: var(--text-muted);
    padding: var(--space-1) 0;
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
    .series-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .series-page {
        padding: var(--space-4) var(--space-4) var(--space-8);
    }

    .series-hero {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--space-6);
    }

    .series-hero-cover {
        width: 140px;
    }

    .series-hero-cover img {
        width: 140px;
        height: 200px;
    }

    .series-hero-meta {
        justify-content: center;
    }

    .series-hero-actions {
        justify-content: center;
    }

    .series-obi {
        flex-wrap: wrap;
    }

    .series-obi-item {
        min-width: 50%;
        flex: 1 0 50%;
    }

    .series-obi-item:nth-child(2) {
        border-left: 1px solid var(--border);
    }

    .series-obi-item:nth-child(3) {
        border-left: none;
        border-top: 1px solid var(--border);
    }

    .series-obi-item:nth-child(4) {
        border-top: 1px solid var(--border);
    }

    .series-hero-title {
        font-size: 1.35rem;
    }

    .prediction-grid {
        grid-template-columns: 1fr;
    }

    .review-summary {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .series-page {
        padding: var(--space-3) var(--space-3) var(--space-6);
    }

    .series-hero {
        padding: var(--space-4);
        gap: var(--space-4);
    }

    .series-hero-cover {
        width: 110px;
    }

    .series-hero-cover img {
        width: 110px;
        height: 158px;
    }
}