/* ============================================
   Admin Dashboard Styles
   ============================================ */

:root {
    --primary: #0d3b66;
    --primary-light: #1976d2;
    --accent: #00a878;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #f3f4f6;
    --bg-white: #ffffff;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

/* ============================================
   Login Screen
   ============================================ */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0d3b66 0%, #1976d2 35%, #00a878 100%);
    padding: 20px;
}

.login-box {
    background: white;
    padding: 48px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.login-box h1 {
    font-size: 1.75rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-box h1 svg {
    flex-shrink: 0;
}

.login-box p {
    color: var(--text-light);
    margin-bottom: 32px;
}

.login-box form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-box input {
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    text-align: center;
}

.login-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.error-text {
    color: var(--danger);
    font-size: 14px;
    min-height: 20px;
}

/* ============================================
   Admin Dashboard
   ============================================ */
.admin-dashboard {
    min-height: 100vh;
}

.admin-header {
    background: var(--bg-white);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left h1 {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-left h1 svg {
    flex-shrink: 0;
}

.header-right {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-link svg {
    flex-shrink: 0;
}

.btn-link:hover {
    color: var(--primary);
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary svg {
    flex-shrink: 0;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: white;
    color: var(--text);
    border: 2px solid var(--border);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary svg {
    flex-shrink: 0;
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-danger {
    background: white;
    color: var(--danger);
    border: 2px solid var(--danger);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-danger svg {
    flex-shrink: 0;
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-icon {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    font-size: 16px;
}

/* ============================================
   Tabs
   ============================================ */
.admin-tabs {
    background: var(--bg-white);
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 16px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.tab-btn svg {
    flex-shrink: 0;
}

.tab-btn:hover {
    color: var(--text);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ============================================
   Tab Content
   ============================================ */
.admin-content {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.section-header {
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-header h2 svg {
    flex-shrink: 0;
}

.section-header p {
    color: var(--text-light);
}

/* ============================================
   Manager Controls
   ============================================ */
.manager-controls {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-box > svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 12px 40px 12px 44px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-box .btn-icon {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
}

.filter-btns {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn, .schedule-filter {
    padding: 10px 16px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.filter-btn svg, .schedule-filter svg {
    flex-shrink: 0;
}

.filter-btn:hover, .schedule-filter:hover {
    border-color: var(--primary);
}

.filter-btn.active, .schedule-filter.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.gallery-count {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
}

/* ============================================
   Gallery Grid
   ============================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.2s;
}

.gallery-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.gallery-item-cover {
    aspect-ratio: 3/2;
    background: var(--bg);
    overflow: hidden;
    position: relative;
}

.gallery-item-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item-status {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(0,0,0,0.7);
    color: white;
}

.status-badge.warning {
    background: var(--warning);
}

.status-badge.success {
    background: var(--success);
}

.gallery-item-info {
    padding: 16px;
}

.gallery-item-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.gallery-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: var(--text-light);
}

.gallery-item-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    color: var(--text-light);
}

/* ============================================
   Featured Galleries
   ============================================ */
.featured-manager {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.featured-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.featured-slot {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.slot-label {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--primary);
}

.featured-select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: white;
    cursor: pointer;
}

.featured-select:focus {
    outline: none;
    border-color: var(--primary);
}

.slot-preview {
    margin-top: 12px;
}

.preview-thumb {
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.preview-thumb img {
    width: 100%;
    aspect-ratio: 3/2;
    object-fit: cover;
}

.no-thumb {
    background: var(--border);
    aspect-ratio: 3/2;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 12px;
}

.featured-actions {
    display: flex;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* ============================================
   Schedule
   ============================================ */
.schedule-controls {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.schedule-results {
    display: grid;
    gap: 12px;
}

.schedule-item {
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.2s;
}

.schedule-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
}

.schedule-item-content {
    flex: 1;
}

.schedule-item-date {
    font-size: 13px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.schedule-item-date .date-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.schedule-item-date .date-indicator.upcoming {
    background: var(--success);
}

.schedule-item-date .date-indicator.past {
    background: var(--warning);
}

.schedule-item.upcoming .schedule-item-date {
    color: var(--success);
}

.schedule-item.past .schedule-item-date {
    color: var(--warning);
}

.schedule-item-details {
    display: flex;
    align-items: center;
    gap: 6px;
}

.schedule-item-details svg {
    flex-shrink: 0;
}

.btn-select {
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-select:hover {
    background: var(--primary-light);
}

.schedule-item-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
}

.schedule-item-details {
    font-size: 13px;
    color: var(--text-light);
}

.schedule-item button {
    flex-shrink: 0;
}

/* ============================================
   Gallery Form
   ============================================ */
.gallery-form {
    background: white;
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-field.full-width {
    grid-column: 1 / -1;
}

.form-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
}

.form-field input,
.form-field select {
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-field input:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--primary);
}

.toggle-btns {
    display: flex;
    gap: 8px;
}

.toggle-btn {
    padding: 10px 20px;
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.toggle-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
}

.modal-close:hover {
    color: var(--text);
}

.modal-content h2 {
    margin-bottom: 24px;
}

/* Cover Section */
.cover-section {
    margin-bottom: 24px;
}

.cover-preview {
    position: relative;
    aspect-ratio: 3/2;
    background: var(--bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 12px;
    cursor: pointer;
}

.cover-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.2s;
}

.cover-preview:hover .cover-overlay {
    opacity: 1;
}

/* ============================================
   Toast
   ============================================ */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--text);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .featured-slots {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .admin-tabs {
        overflow-x: auto;
        padding: 0 16px;
    }
    
    .tab-btn {
        padding: 12px 16px;
        white-space: nowrap;
    }
    
    .admin-content {
        padding: 16px;
    }
    
    .manager-controls {
        flex-direction: column;
    }
    
    .filter-btns {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-slots {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
}