/* ── بخش «جلسات دوره» (PDP) — هم‌سبک با doreh-comments/overview ─── */

.doreh-videos {
    --dv-radius: 1rem;
    --dv-radius-sm: 0.65rem;
    --dv-accent: #5a6d9a;
    --dv-accent-soft: rgba(90, 109, 154, 0.12);
    --dv-border: rgba(0, 0, 0, 0.08);
    --dv-surface: rgba(255, 255, 255, 0.92);
    --dv-surface-elevated: #ffffff;
    --dv-muted: rgba(0, 0, 0, 0.5);
    --dv-row-bg: rgba(0, 0, 0, 0.025);
    --dv-row-hover: rgba(90, 109, 154, 0.07);
    --dv-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
    --dv-ease: cubic-bezier(0.22, 1, 0.36, 1);
    /* دکمه CTA — کنتراست جدا از accent تزئینی */
    --dv-btn-primary-bg: #4a5d82;
    --dv-btn-primary-hover: #3d4f6e;
    --dv-btn-primary-text: #ffffff;
    --dv-btn-outline-text: #4a5d82;
    --dv-btn-outline-border: rgba(74, 93, 130, 0.45);
}

/* خنثی‌سازی padding سراسری تم روی div مستقیم (style-rtl.css) */
.doreh-videos__panel {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    border: 1px solid var(--dv-border);
    border-radius: var(--dv-radius);
    background: var(--dv-surface-elevated);
    box-shadow: var(--dv-shadow);
    overflow: hidden;
    transition: border-color 0.25s var(--dv-ease), box-shadow 0.25s var(--dv-ease);
}

.doreh-videos__panel:hover {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05), 0 12px 28px rgba(0, 0, 0, 0.08);
}

/* ── هدر ─────────────────────────────────────────────────────────── */

.doreh-videos__panel-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 0;
    padding: 0.65rem 1.15rem 0.7rem;
    border-bottom: 1px solid var(--dv-border);
    background: var(--dv-surface-elevated);
}

.doreh-videos__heading {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex: 1;
    min-width: 0;
}

.doreh-videos__heading-icon {
    flex-shrink: 0;
    width: 2.45rem;
    height: 2.45rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--dv-radius-sm);
    background: var(--dv-accent-soft);
    color: var(--dv-accent);
    font-size: 1.1rem;
    box-shadow: inset 3px 0 0 var(--dv-accent);
}

.doreh-videos__heading-text {
    flex: 1;
    min-width: 0;
}

.doreh-videos__heading-eyebrow {
    display: block;
    margin-bottom: 0.15rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--dv-muted);
    line-height: 1.3;
}

.doreh-videos__panel-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.4;
    color: inherit;
    word-wrap: break-word;
    overflow-wrap: anywhere;
}

.doreh-videos__stats {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.doreh-videos__stat-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--dv-accent);
    background: var(--dv-accent-soft);
    border-radius: 2rem;
    line-height: 1.3;
}

.doreh-videos__stat-badge i {
    font-size: 0.85em;
    opacity: 0.85;
}

/* ── آکاردئون فصل‌ها ─────────────────────────────────────────────── */

.doreh-videos__accordion {
    padding: 0.75rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.doreh-videos__chapter {
    border: 1px solid var(--dv-border);
    border-radius: var(--dv-radius-sm);
    overflow: hidden;
    transition: border-color 0.2s var(--dv-ease), box-shadow 0.2s var(--dv-ease);
}

.doreh-videos__chapter:has(.accordion-collapse.show) {
    border-color: rgba(90, 109, 154, 0.3);
    box-shadow: 0 2px 8px rgba(90, 109, 154, 0.08);
}

.doreh-videos__chapter-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1rem;
    background: var(--dv-row-bg);
    border: none;
    cursor: pointer;
    text-align: right;
    direction: rtl;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    color: inherit;
    transition: background 0.18s var(--dv-ease);
}

.doreh-videos__chapter-btn:hover {
    background: var(--dv-row-hover);
}

.doreh-videos__chapter-btn.collapsed .doreh-videos__chapter-chevron {
    transform: rotate(0deg);
}

.doreh-videos__chapter-btn:not(.collapsed) .doreh-videos__chapter-chevron {
    transform: rotate(-180deg);
}

.doreh-videos__chapter-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.45rem;
    background: var(--dv-accent-soft);
    color: var(--dv-accent);
    font-size: 0.9rem;
}

.doreh-videos__chapter-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
}

.doreh-videos__chapter-title {
    flex: 1;
    min-width: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.45;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.doreh-videos__chapter-meta {
    flex-shrink: 0;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--dv-muted);
    white-space: nowrap;
}

.doreh-videos__chapter-meta::before {
    content: "·";
    margin-inline-start: 0.15rem;
    margin-inline-end: 0.35rem;
    color: var(--dv-muted);
    opacity: 0.65;
}

.doreh-videos__chapter-chevron {
    flex-shrink: 0;
    font-size: 1rem;
    color: var(--dv-muted);
    transition: transform 0.25s var(--dv-ease);
    margin-right: auto;
}

/* ── ردیف هر جلسه ────────────────────────────────────────────────── */

.doreh-videos__lesson-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0.85rem 0.65rem;
}

.doreh-videos__lesson {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--dv-radius-sm);
    transition: background 0.18s var(--dv-ease);
}

.doreh-videos__lesson:hover {
    background: var(--dv-row-hover);
}

.doreh-videos__lesson-num {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.78rem;
    font-weight: 700;
    background: var(--dv-accent-soft);
    color: var(--dv-accent);
    border: 1px solid rgba(90, 109, 154, 0.2);
    font-variant-numeric: tabular-nums;
}

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

.doreh-videos__lesson-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.doreh-videos__lesson-time {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--dv-muted);
    margin-top: 0.1rem;
}

.doreh-videos__lesson-time i {
    font-size: 0.8em;
}

.doreh-videos__lesson-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* دکمه‌های جلسه */
.doreh-videos__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.22rem 0.55rem;
    border-radius: var(--dv-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.35;
    text-decoration: none;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: background 0.18s var(--dv-ease), border-color 0.18s var(--dv-ease), color 0.18s var(--dv-ease);
    cursor: pointer;
}

.doreh-videos__btn i {
    font-size: 0.88em;
}

.doreh-videos__btn--primary {
    background: var(--dv-btn-primary-bg);
    color: var(--dv-btn-primary-text);
    border-color: var(--dv-btn-primary-bg);
}

.doreh-videos__btn--primary:hover,
.doreh-videos__btn--primary:focus {
    background: var(--dv-btn-primary-hover);
    border-color: var(--dv-btn-primary-hover);
    color: var(--dv-btn-primary-text);
}

.doreh-videos__btn--outline {
    background: rgba(0, 0, 0, 0.03);
    color: var(--dv-btn-outline-text);
    border-color: var(--dv-btn-outline-border);
}

.doreh-videos__btn--outline:hover {
    background: rgba(74, 93, 130, 0.1);
    color: var(--dv-btn-outline-text);
}

.doreh-videos__btn--locked {
    background: transparent;
    color: var(--dv-muted);
    border-color: var(--dv-border);
    cursor: default;
    pointer-events: none;
}

/* ── تم تیره ─────────────────────────────────────────────────────── */

[data-bs-theme="dark"] .doreh-videos,
.dark-mode .doreh-videos,
body.dark .doreh-videos {
    --dv-border: rgba(255, 255, 255, 0.1);
    --dv-surface: rgba(255, 255, 255, 0.04);
    --dv-surface-elevated: rgba(255, 255, 255, 0.03);
    --dv-muted: rgba(255, 255, 255, 0.52);
    --dv-row-bg: rgba(255, 255, 255, 0.04);
    --dv-row-hover: rgba(143, 163, 200, 0.1);
    --dv-accent: #8fa3c8;
    --dv-accent-soft: rgba(143, 163, 200, 0.14);
    --dv-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.25);
    /* CTA گرم — کنتراست با پس‌زمینه تیره و متن accent */
    --dv-btn-primary-bg: #c9782e;
    --dv-btn-primary-hover: #b56a26;
    --dv-btn-primary-text: #fff8f2;
    --dv-btn-outline-text: #d4dce8;
    --dv-btn-outline-border: rgba(212, 220, 232, 0.35);
}

[data-bs-theme="dark"] .doreh-videos .doreh-videos__btn--outline,
.dark-mode .doreh-videos .doreh-videos__btn--outline,
body.dark .doreh-videos .doreh-videos__btn--outline {
    background: rgba(255, 255, 255, 0.06);
}

[data-bs-theme="dark"] .doreh-videos .doreh-videos__btn--outline:hover,
.dark-mode .doreh-videos .doreh-videos__btn--outline:hover,
body.dark .doreh-videos .doreh-videos__btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ── ریسپانسیو ───────────────────────────────────────────────────── */

@media (max-width: 575.98px) {
    .doreh-videos__panel-header {
        padding: 0.6rem 1rem 0.65rem;
    }

    .doreh-videos__stats {
        display: none;
    }

    .doreh-videos__accordion {
        padding: 0.5rem 0.5rem 0.65rem;
    }

    .doreh-videos__lesson {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .doreh-videos__lesson-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .doreh-videos__chapter-text {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.15rem;
    }

    .doreh-videos__chapter-meta::before {
        display: none;
    }

    .doreh-videos__chapter-title {
        white-space: normal;
    }

    .doreh-videos__btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.72rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .doreh-videos__panel,
    .doreh-videos__chapter,
    .doreh-videos__lesson,
    .doreh-videos__chapter-chevron {
        transition: none;
    }
}