/**
 * Admin Collections Page Styles
 * ==============================
 * Same aesthetic as front-end collection accordions
 */

/* Page Container - inherits from .main-content */
.main-content.admin-collections-page {
    padding: var(--space-6);
    max-width: 100% !important;
    width: 100% !important;
}

.main-content.admin-collections-page > * {
    max-width: 1000px !important;
    width: 100% !important;
    margin-left: auto;
    margin-right: auto;
}

/* Page Header */
.admin-collections-header {
    margin-bottom: var(--space-6);
}

.admin-collections-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-2) 0;
}

.admin-collections-subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin: 0;
}

/* Collections Container */
.admin-collections-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Add Buttons Row */
.admin-add-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

@media (max-width: 500px) {
    .admin-add-buttons {
        grid-template-columns: 1fr;
    }
}

/* Add Zone (Dashed Box) */
.admin-add-zone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-6);
    background: transparent;
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-2xl);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-default);
}

.admin-add-zone:hover {
    border-color: var(--accent-primary);
    background: var(--accent-softer);
}

.admin-add-zone__icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    color: var(--text-tertiary);
    transition: all var(--duration-fast) var(--ease-default);
}

.admin-add-zone:hover .admin-add-zone__icon {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.admin-add-zone__icon svg {
    width: 20px;
    height: 20px;
}

.admin-add-zone__text {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--duration-fast) var(--ease-default);
}

.admin-add-zone:hover .admin-add-zone__text {
    color: var(--accent-primary);
}

/* Smaller add zones for nested elements */
.admin-add-zone--small {
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.admin-add-zone--small .admin-add-zone__icon {
    width: 32px;
    height: 32px;
}

.admin-add-zone--small .admin-add-zone__icon svg {
    width: 16px;
    height: 16px;
}

.admin-add-zone--small .admin-add-zone__text {
    font-size: var(--text-sm);
}

.admin-add-zone--tiny {
    padding: var(--space-3);
    margin-bottom: var(--space-3);
    border-width: 1px;
}

.admin-add-zone--tiny .admin-add-zone__icon {
    width: 28px;
    height: 28px;
}

.admin-add-zone--tiny .admin-add-zone__icon svg {
    width: 14px;
    height: 14px;
}

.admin-add-zone--tiny .admin-add-zone__text {
    font-size: var(--text-xs);
}

/* Collections List */
.admin-collections-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Loading State */
.admin-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-10);
    color: var(--text-tertiary);
}

.admin-loading__spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-default);
    border-top-color: var(--accent-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.admin-empty {
    padding: var(--space-10);
    text-align: center;
    color: var(--text-tertiary);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
}

/* =============================================
   COLLECTION CARD (Accordion)
   ============================================= */

.admin-collection-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-default);
}

.admin-collection-card:hover {
    border-color: var(--border-default);
}

/* Collection Header */
.admin-collection-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-default);
}

.admin-collection-header:hover {
    background: var(--bg-card-hover);
}

.admin-collection-header__left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex: 1;
    min-width: 0;
}

.admin-collection-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.admin-collection-thumb {
    width: 64px;
    height: 36px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-tertiary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.admin-collection-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-collection-thumb svg {
    width: 24px;
    height: 24px;
}

.admin-collection-info {
    flex: 1;
    min-width: 0;
}

.admin-collection-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-collection-meta {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin: var(--space-1) 0 0 0;
}

.admin-collection-header__right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.admin-collection-status {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.admin-collection-status.active {
    background: var(--success-soft);
    color: var(--success);
}

.admin-collection-status.inactive {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

.admin-collection-edit-btn,
.admin-season-edit-btn,
.admin-season-delete-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-default);
}

.admin-collection-edit-btn:hover,
.admin-season-edit-btn:hover {
    background: var(--accent-soft);
    border-color: var(--accent-tertiary);
    color: var(--accent-primary);
}

.admin-season-delete-btn:hover {
    background: var(--danger-soft);
    border-color: var(--danger);
    color: var(--danger);
}

.admin-collection-edit-btn svg,
.admin-season-edit-btn svg,
.admin-season-delete-btn svg {
    width: 16px;
    height: 16px;
}

.admin-collection-toggle {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.admin-collection-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform var(--duration-normal) var(--ease-default);
}

.admin-collection-card.expanded .admin-collection-toggle svg {
    transform: rotate(180deg);
}

/* Collection Content (hidden by default) */
.admin-collection-content {
    display: none;
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.admin-collection-card.expanded .admin-collection-content {
    display: block;
}

/* =============================================
   SEASON CARD (Nested Accordion)
   ============================================= */

.admin-seasons-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.admin-season-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.admin-season-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-default);
}

.admin-season-header:hover {
    background: var(--bg-card-hover);
}

.admin-season-header__left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
    min-width: 0;
}

.admin-season-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.admin-season-info {
    flex: 1;
    min-width: 0;
}

.admin-season-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.admin-season-meta {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin: var(--space-1) 0 0 0;
}

.admin-season-header__right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.admin-season-toggle {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.admin-season-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform var(--duration-normal) var(--ease-default);
}

.admin-season-card.expanded .admin-season-toggle svg {
    transform: rotate(180deg);
}

/* Season Content (hidden by default) */
.admin-season-content {
    display: none;
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.admin-season-card.expanded .admin-season-content {
    display: block;
}

/* Direct Resources Section */
.admin-direct-resources {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-subtle);
}

.admin-direct-resources__title {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-3) 0;
}

/* =============================================
   RESOURCE ITEM
   ============================================= */

.admin-resources-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.admin-resource-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-default);
}

.admin-resource-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-tertiary);
    transform: translateX(4px);
}

.admin-resource-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.admin-resource-thumb {
    width: 48px;
    height: 27px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-tertiary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.admin-resource-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-resource-thumb svg {
    width: 16px;
    height: 16px;
}

.admin-resource-info {
    flex: 1;
    min-width: 0;
}

.admin-resource-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-resource-item:hover .admin-resource-title {
    color: var(--accent-primary);
}

.admin-resource-meta {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin: 2px 0 0 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.admin-resource-draft {
    display: inline-block;
    padding: 1px var(--space-2);
    background: var(--warning-soft);
    color: var(--warning);
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
}

.admin-resource-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.admin-resource-edit-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-default);
}

.admin-resource-item:hover .admin-resource-edit-btn {
    color: var(--accent-primary);
}

.admin-resource-edit-btn svg {
    width: 18px;
    height: 18px;
}

/* =============================================
   RESPONSIVE
   ============================================= */

/* Access Denied */
.admin-access-denied {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-10);
    text-align: center;
    min-height: 50vh;
}

.admin-access-denied h2 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.admin-access-denied p {
    font-size: var(--text-base);
    color: var(--text-tertiary);
    margin: 0;
}

/* =============================================
   SLIDER CARD (Top-level Accordion)
   ============================================= */

.admin-slider-card {
    background: var(--bg-card);
    border: 2px solid var(--accent-tertiary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-default);
}

.admin-slider-card:hover {
    border-color: var(--accent-secondary);
}

/* Slider Header */
.admin-slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    background: linear-gradient(135deg, var(--accent-softer) 0%, transparent 100%);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-default);
}

.admin-slider-header:hover {
    background: linear-gradient(135deg, var(--accent-soft) 0%, var(--accent-softer) 100%);
}

.admin-slider-header__left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex: 1;
    min-width: 0;
}

.admin-slider-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    border-radius: var(--radius-lg);
    color: var(--bg-primary);
    flex-shrink: 0;
}

.admin-slider-icon svg {
    width: 22px;
    height: 22px;
}

/* Slider collection count badge */
.admin-slider-count {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    border-radius: var(--radius-lg);
    color: var(--bg-primary);
    flex-shrink: 0;
    font-size: var(--text-lg);
    font-weight: 700;
}

/* Podcast slider count - purple/violet */
.admin-slider-count--podcast {
    background: #9333ea;
}

/* Podcast slider icon - purple/violet */
.admin-slider-icon--podcast {
    background: #9333ea;
}

/* Type badge */
.admin-slider-type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: var(--space-2);
}

.admin-slider-type-badge--video {
    background: var(--accent-soft);
    color: var(--accent-primary);
}

.admin-slider-type-badge--podcast {
    background: rgba(147, 51, 234, 0.15);
    color: #9333ea;
}

/* Podcast slider card border */
.admin-slider-card--podcast {
    border-color: rgba(147, 51, 234, 0.4);
}

.admin-slider-card--podcast:hover {
    border-color: rgba(147, 51, 234, 0.6);
}

.admin-slider-card--podcast .admin-slider-header {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.1) 0%, transparent 100%);
}

.admin-slider-card--podcast .admin-slider-header:hover {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.2) 0%, rgba(147, 51, 234, 0.05) 100%);
}

.admin-slider-info {
    flex: 1;
    min-width: 0;
}

.admin-slider-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.admin-slider-meta {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin: var(--space-1) 0 0 0;
}

.admin-slider-header__right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* Slider Content */
.admin-slider-content {
    display: none;
    padding: var(--space-5);
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.admin-slider-card.expanded .admin-slider-content {
    display: block;
}

.admin-slider-collections-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Collection inside slider */
.admin-collection-card--in-slider {
    /* Clean style without left border */
}

/* =============================================
   ORPHAN COLLECTIONS SECTION
   ============================================= */

.admin-orphan-section {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 2px dashed var(--border-default);
}

.admin-orphan-header {
    margin-bottom: var(--space-4);
}

.admin-orphan-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 var(--space-1) 0;
}

.admin-orphan-subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin: 0;
}

/* =============================================
   LIGHT MODE ADJUSTMENTS
   ============================================= */

[data-theme="light"] .admin-collection-content {
    background: #F0EBE3;
}

[data-theme="light"] .admin-season-content {
    background: #EBE5DC;
}

[data-theme="light"] .admin-season-card {
    background: #FAF8F5;
}

[data-theme="light"] .admin-resource-item {
    background: #FAF8F5;
}

[data-theme="light"] .admin-resource-item:hover {
    background: #F5F0E8;
}

[data-theme="light"] .admin-slider-content {
    background: #F5F0E8;
}

[data-theme="light"] .admin-slider-header {
    background: linear-gradient(135deg, rgba(200, 170, 130, 0.15) 0%, transparent 100%);
}

[data-theme="light"] .admin-slider-header:hover {
    background: linear-gradient(135deg, rgba(200, 170, 130, 0.25) 0%, rgba(200, 170, 130, 0.1) 100%);
}

/* =============================================
   SECTION HEADERS (VIDEO / PODCAST)
   ============================================= */

.admin-section-header {
    margin: var(--space-6) 0 var(--space-4) 0;
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(135deg, var(--accent-softer) 0%, transparent 100%);
    border-left: 4px solid var(--accent-primary);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.admin-section-header:first-child {
    margin-top: 0;
}

.admin-section-header--podcast {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.1) 0%, transparent 100%);
    border-left-color: #9333ea;
}

.admin-section-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.admin-orphan-label {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    font-style: italic;
    margin-top: var(--space-4);
    border-top: 1px dashed var(--border-subtle);
}

/* Light mode */
[data-theme="light"] .admin-section-header {
    background: linear-gradient(135deg, rgba(200, 170, 130, 0.15) 0%, transparent 100%);
}

[data-theme="light"] .admin-section-header--podcast {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.1) 0%, transparent 100%);
}

/* =============================================
   REORDER ARROWS
   ============================================= */

.admin-reorder-arrows {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
    margin-right: var(--space-3);
}

.admin-reorder-arrows--small {
    margin-right: var(--space-2);
}

.admin-reorder-arrows--tiny {
    margin-right: var(--space-2);
}

.admin-reorder-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 18px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-default);
    padding: 0;
}

.admin-reorder-btn svg {
    width: 14px;
    height: 14px;
}

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

.admin-reorder-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Smaller arrows for nested elements */
.admin-reorder-arrows--small .admin-reorder-btn {
    width: 20px;
    height: 16px;
}

.admin-reorder-arrows--small .admin-reorder-btn svg {
    width: 12px;
    height: 12px;
}

.admin-reorder-arrows--tiny .admin-reorder-btn {
    width: 18px;
    height: 14px;
}

.admin-reorder-arrows--tiny .admin-reorder-btn svg {
    width: 10px;
    height: 10px;
}

/* Light mode */
[data-theme="light"] .admin-reorder-btn {
    background: rgba(200, 170, 130, 0.15);
    color: #6B5B4F;
}

[data-theme="light"] .admin-reorder-btn:hover:not(.disabled) {
    background: rgba(200, 170, 130, 0.35);
    color: #4A3F35;
}

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

    .admin-collections-title {
        font-size: var(--text-2xl);
    }

    .admin-collection-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .admin-collection-header__right {
        width: 100%;
        justify-content: space-between;
    }

    .admin-collection-thumb {
        display: none;
    }

    .admin-resource-thumb {
        display: none;
    }
}

/* =============================================
   NEW ITEM HIGHLIGHT
   ============================================= */

.admin-item--new {
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 2px var(--accent-soft), 0 4px 16px rgba(212, 175, 125, 0.25);
    animation: newItemPulse 2s ease-in-out infinite;
}

.admin-item--new .admin-slider-header,
.admin-item--new .admin-collection-header,
.admin-item--new .admin-season-header {
    background: linear-gradient(135deg, var(--accent-soft) 0%, var(--accent-softer) 100%);
}

@keyframes newItemPulse {
    0%, 100% {
        box-shadow: 0 0 0 2px var(--accent-soft), 0 4px 16px rgba(212, 175, 125, 0.25);
    }
    50% {
        box-shadow: 0 0 0 4px var(--accent-soft), 0 4px 20px rgba(212, 175, 125, 0.4);
    }
}

/* Light mode */
[data-theme="light"] .admin-item--new {
    box-shadow: 0 0 0 2px rgba(200, 170, 130, 0.4), 0 4px 16px rgba(200, 170, 130, 0.2);
}

[data-theme="light"] .admin-item--new .admin-slider-header,
[data-theme="light"] .admin-item--new .admin-collection-header,
[data-theme="light"] .admin-item--new .admin-season-header {
    background: linear-gradient(135deg, rgba(200, 170, 130, 0.35) 0%, rgba(200, 170, 130, 0.15) 100%);
}