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

:root {
    --bg-primary: #0d0d0f;
    --bg-secondary: #16161a;
    --bg-card: #1a1a1f;
    --bg-card-hover: #222228;
    --border: #2a2a32;
    --text-primary: #f0f0f2;
    --text-secondary: #a0a0a8;
    --text-muted: #6a6a72;
    --accent: #5865f2;
    --accent-hover: #4752c4;
    --danger: #ed4245;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --poster-ratio: 0.7;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    line-height: 1.5;
}

/* ========== الهيدر والبحث ========== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.app-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: nowrap;
}

.app-logo {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

.app-logo:hover {
    color: var(--accent);
}

.search-wrap {
    flex: 1;
    min-width: 0;
    display: flex;
    gap: 0.5rem;
}

@media (min-width: 480px) {
    .search-wrap {
        max-width: 380px;
    }
}

.search-input {
    flex: 1;
    padding: 0.65rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.2);
}

.btn {
    padding: 0.65rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========== المحتوى الرئيسي ========== */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

@media (max-width: 479px) {
    .main-content {
        padding: 0.75rem;
    }
    .app-header-inner {
        padding: 0;
    }
}

/* ========== شبكة الأنمي (الصفحة الرئيسية) ========== */
.anime-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1.25rem;
}

.anime-card {
    display: block;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.anime-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.anime-card-poster {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    display: block;
    background: var(--bg-secondary);
}

.anime-card-poster-placeholder {
    width: 100%;
    aspect-ratio: 2/3;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.anime-card-title {
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.anime-card-meta {
    padding: 0 0.75rem 0.6rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========== عرض التفاصيل ========== */
.detail-view {
    display: none;
}

.detail-view.is-visible {
    display: block;
}

.detail-back {
    margin-bottom: 1rem;
}

.detail-layout {
    display: grid;
    gap: 1.25rem;
}

@media (max-width: 639px) {
    .detail-layout {
        grid-template-columns: 1fr;
        grid-template-areas: "poster" "info";
    }
    .detail-poster-wrap {
        grid-area: poster;
        max-width: 200px;
        margin: 0 auto;
        width: 100%;
    }
    .detail-info {
        grid-area: info;
    }
}

@media (min-width: 640px) {
    .detail-layout {
        grid-template-columns: 220px 1fr;
    }
}

.detail-poster-wrap {
    position: sticky;
    top: 1rem;
}

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

.detail-poster-placeholder {
    width: 100%;
    aspect-ratio: 2/3;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.detail-info h1 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.detail-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.detail-story {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

/* ========== المشغل (فيديو داخل الصفحة) ========== */
.player-section {
    margin-bottom: 1.5rem;
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16/9;
    max-height: 70vh;
}

.player-section video {
    width: 100%;
    height: 100%;
    display: block;
}

.player-placeholder {
    width: 100%;
    height: 100%;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ========== أزرار التحكم (السابق / التالي / انتقل لحلقة) ========== */
.player-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.player-controls .btn {
    flex-shrink: 0;
}

.episode-jump-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: auto;
}

@media (max-width: 639px) {
    .player-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .episode-jump-wrap {
        margin-right: 0;
    }
}

.episode-jump-wrap label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.ep-num-input {
    width: 4rem;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.9rem;
    text-align: center;
}

.ep-num-input:focus {
    outline: none;
    border-color: var(--accent);
}

.ep-num-input::-webkit-inner-spin-button {
    opacity: 1;
}

/* ========== قائمة الحلقات ========== */
.episodes-section h3 {
    margin: 0 0 0.75rem 0;
    font-size: 1.1rem;
}

.episodes-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.episode-btn {
    display: inline-block;
    padding: 0.5rem 0.85rem;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

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

.episode-btn.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ========== الحالة والرسائل ========== */
.status-message {
    padding: 1rem;
    text-align: center;
    border-radius: var(--radius-sm);
}

.status-message.loading {
    color: var(--text-muted);
}

.status-message.error {
    background: rgba(237, 66, 69, 0.15);
    color: var(--danger);
}

/* ========== إخفاء/إظهار المشاهد ========== */
.view-home {
    display: none;
}

.view-home.is-visible {
    display: block;
}

.view-detail {
    display: none;
}

.view-detail.is-visible {
    display: block;
}