/**
 * Series Detail Page Styles (Level 2)
 *
 * Hero section, seasons with episode grids.
 * Neutral theme that inherits from the page's existing styles.
 * Uses CSS custom properties for theming.
 *
 * @package Tvstartup_OTT_Platform
 * @since   1.13.0
 */

/* ==========================================================================
   Wrapper
   ========================================================================== */

.ts-ott-series-detail-wrapper {
    --ts-sd-accent: #6366f1;
    --ts-sd-text: #1a1a2e;
    --ts-sd-text-muted: #6b7280;
    --ts-sd-bg: #ffffff;
    --ts-sd-card-bg: #f9fafb;
    --ts-sd-border: rgba(0, 0, 0, 0.08);
    --ts-sd-radius: 10px;

    font-family: inherit;
    box-sizing: border-box;
    color: var(--ts-sd-text);
    width: 100%;
}

.ts-ott-series-detail-wrapper *,
.ts-ott-series-detail-wrapper *::before,
.ts-ott-series-detail-wrapper *::after {
    box-sizing: border-box;
}

/* ==========================================================================
   Error / Empty States
   ========================================================================== */

.ts-ott-series-detail-error,
.ts-ott-series-detail-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ts-sd-text-muted);
    font-size: 1rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.ts-ott-series-detail-hero {
    position: relative;
    min-height: 400px;
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-color: #e5e7eb;
    border-radius: var(--ts-sd-radius);
    overflow: hidden;
    margin-bottom: 2rem;
}

.ts-ott-series-detail-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.5) 40%,
        rgba(0, 0, 0, 0.2) 70%,
        rgba(0, 0, 0, 0.1) 100%
    );
    display: flex;
    align-items: flex-end;
    padding: 2.5rem;
}

.ts-ott-series-detail-hero__content {
    max-width: 700px;
}

.ts-ott-series-detail-hero__title {
    font-size: 2.25rem;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 0.75rem 0;
    line-height: 1.15;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.ts-ott-series-detail-hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ts-ott-series-detail-hero__season-count {
    display: inline-block;
    background-color: var(--ts-sd-accent);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ts-ott-series-detail-hero__genre {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.15);
    color: #e5e7eb;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.ts-ott-series-detail-hero__desc {
    font-size: 0.9375rem;
    color: #d1d5db;
    line-height: 1.6;
    margin: 0 0 1.25rem 0;
    max-width: 600px;
}

.ts-ott-series-detail-hero__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.ts-ott-series-detail-wrapper a {
    text-decoration: none !important;
}

.ts-ott-series-detail-wrapper a:link,
.ts-ott-series-detail-wrapper a:visited,
.ts-ott-series-detail-wrapper a:hover,
.ts-ott-series-detail-wrapper a:focus,
.ts-ott-series-detail-wrapper a:active {
    text-decoration: none !important;
}

.ts-ott-series-detail-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.5rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none !important;
    transition: background-color 0.2s ease, transform 0.2s ease;
    cursor: pointer;
    border: none;
    line-height: 1.4;
}

.ts-ott-series-detail-btn--primary {
    background-color: var(--ts-sd-accent);
    color: #ffffff;
}

.ts-ott-series-detail-btn--primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #ffffff;
    text-decoration: none;
}

.ts-ott-series-detail-btn--primary:active {
    transform: translateY(0);
}

.ts-ott-series-detail-btn svg {
    flex-shrink: 0;
}

/* ==========================================================================
   Seasons Section
   ========================================================================== */

.ts-ott-series-detail-seasons {
    padding: 0;
}

.ts-ott-series-detail-seasons__heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ts-sd-text);
    margin: 0 0 1.75rem 0;
    line-height: 1.3;
}

/* ==========================================================================
   Individual Season
   ========================================================================== */

.ts-ott-series-detail-season {
    margin-bottom: 2.5rem;
}

.ts-ott-series-detail-season:last-child {
    margin-bottom: 0;
}

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

.ts-ott-series-detail-season__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.ts-ott-series-detail-season__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--ts-sd-accent);
    color: #ffffff;
    font-size: 1.125rem;
    font-weight: 800;
    flex-shrink: 0;
    line-height: 1;
}

.ts-ott-series-detail-season__info {
    flex: 1;
    min-width: 0;
}

.ts-ott-series-detail-season__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ts-sd-text);
    margin: 0 0 0.25rem 0;
    line-height: 1.3;
}

.ts-ott-series-detail-season__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--ts-sd-text-muted);
}

.ts-ott-series-detail-season__badge {
    display: inline-block;
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--ts-sd-accent);
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.1875rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ts-ott-series-detail-season__episode-count {
    font-size: 0.8125rem;
    color: var(--ts-sd-text-muted);
    font-weight: 500;
}

/* ==========================================================================
   Episode Grid (4 columns)
   ========================================================================== */

.ts-ott-series-detail-episodes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

/* ==========================================================================
   Episode Card
   ========================================================================== */

.ts-ott-series-detail-episode {
    background-color: var(--ts-sd-card-bg);
    border-radius: var(--ts-sd-radius);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    border: 1px solid var(--ts-sd-border);
}

.ts-ott-series-detail-episode:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

/* --- Episode Thumbnail --- */

.ts-ott-series-detail-episode__thumbnail {
    position: relative;
    overflow: hidden;
    background-color: #e5e7eb;
    aspect-ratio: 16 / 9;
}

.ts-ott-series-detail-episode__thumbnail img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.ts-ott-series-detail-episode:hover .ts-ott-series-detail-episode__thumbnail img {
    transform: scale(1.05);
}

.ts-ott-series-detail-episode__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    aspect-ratio: 16 / 9;
    background-color: #e5e7eb;
    color: #9ca3af;
}

/* --- Duration Badge --- */

.ts-ott-series-detail-episode__duration {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background-color: rgba(0, 0, 0, 0.75);
    color: #ffffff;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.1875rem 0.5rem;
    border-radius: 4px;
    line-height: 1.4;
    z-index: 5;
    letter-spacing: 0.025em;
}

/* --- Episode Number Badge --- */

.ts-ott-series-detail-episode__number-badge {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background-color: var(--ts-sd-accent);
    color: #ffffff;
    font-size: 0.625rem;
    font-weight: 800;
    padding: 0.1875rem 0.4375rem;
    border-radius: 4px;
    line-height: 1.3;
    z-index: 5;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* --- Episode Content --- */

.ts-ott-series-detail-episode__content {
    padding: 0.875rem 1rem;
}

.ts-ott-series-detail-episode__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ts-sd-text);
    margin: 0 0 0.25rem 0;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ts-ott-series-detail-episode__desc {
    font-size: 0.75rem;
    color: var(--ts-sd-text-muted);
    margin: 0 0 0.625rem 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Play Episode Button --- */

.ts-ott-series-detail-episode__play-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background-color: var(--ts-sd-accent);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    border-radius: 5px;
    text-decoration: none;
    transition: opacity 0.2s ease, transform 0.15s ease;
    line-height: 1.4;
}

.ts-ott-series-detail-episode__play-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #ffffff;
    text-decoration: none;
}

.ts-ott-series-detail-episode__play-btn:active {
    transform: translateY(0);
}

.ts-ott-series-detail-episode__play-btn svg {
    flex-shrink: 0;
}

/* ==========================================================================
   Responsive: Large Tablet (max-width: 1024px)
   ========================================================================== */

@media (max-width: 1024px) {
    .ts-ott-series-detail-episodes {
        grid-template-columns: repeat(3, 1fr);
    }

    .ts-ott-series-detail-hero__title {
        font-size: 2rem;
    }

    .ts-ott-series-detail-hero__overlay {
        padding: 2rem;
    }
}

/* ==========================================================================
   Responsive: Tablet (max-width: 768px)
   ========================================================================== */

@media (max-width: 768px) {
    .ts-ott-series-detail-episodes {
        grid-template-columns: repeat(2, 1fr);
    }

    .ts-ott-series-detail-hero {
        min-height: 320px;
    }

    .ts-ott-series-detail-hero__title {
        font-size: 1.75rem;
    }

    .ts-ott-series-detail-hero__overlay {
        padding: 1.5rem;
    }

    .ts-ott-series-detail-hero__desc {
        font-size: 0.875rem;
        -webkit-line-clamp: 3;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .ts-ott-series-detail-seasons__heading {
        font-size: 1.25rem;
    }

    .ts-ott-series-detail-season__number {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* ==========================================================================
   Responsive: Mobile (max-width: 480px)
   ========================================================================== */

@media (max-width: 480px) {
    .ts-ott-series-detail-episodes {
        grid-template-columns: 1fr;
    }

    .ts-ott-series-detail-hero {
        min-height: 260px;
    }

    .ts-ott-series-detail-hero__title {
        font-size: 1.375rem;
    }

    .ts-ott-series-detail-hero__overlay {
        padding: 1.25rem;
    }

    .ts-ott-series-detail-hero__desc {
        display: none;
    }

    .ts-ott-series-detail-season__header {
        gap: 0.75rem;
    }

    .ts-ott-series-detail-season__title {
        font-size: 1rem;
    }

    .ts-ott-series-detail-episode__content {
        padding: 0.75rem;
    }
}