/* ========================================
   Link Card Generator - Admin Stylesheet
   ======================================== */

/* CSS Variables for Admin */
:root {
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Gray Colors */
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* White */
    --white: #ffffff;
}

/* Admin Main */
.admin-main {
    max-width: 1200px;
}

.admin-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.admin-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.admin-subtitle {
    color: var(--gray-500);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.storage {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.search-box svg {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--gray-400);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) * 2 + 20px);
    font-size: 1rem;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    outline: none;
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.filter-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.filter-select {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--gray-700);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    outline: none;
    transition: all var(--transition-base);
}

.filter-select:focus {
    border-color: var(--primary);
}

.btn-refresh {
    width: 48px;
    height: 48px;
    padding: 0;
    background: var(--white);
    border: 2px solid var(--gray-200);
    color: var(--gray-600);
}

.btn-refresh:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.btn-refresh svg {
    width: 20px;
    height: 20px;
}

/* Cards Container */
.cards-container {
    min-height: 300px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

/* Card Item */
.card-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
    cursor: pointer;
}

.card-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-item-image {
    width: 100%;
    aspect-ratio: 1.91 / 1;
    object-fit: cover;
    background: var(--gray-100);
}

.card-item-content {
    padding: var(--spacing-md);
}

.card-item-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-item-description {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.5em;
}

.card-item-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--gray-400);
}

.card-item-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.card-item-date svg {
    width: 14px;
    height: 14px;
}

.card-item-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.card-action-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.card-action-btn:hover {
    background: var(--gray-200);
}

.card-action-btn.delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.card-action-btn svg {
    width: 14px;
    height: 14px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--gray-500);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--gray-300);
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.loading-state .spinner {
    margin: 0 auto var(--spacing-md);
}

.loading-state p {
    color: var(--gray-500);
}

/* Modal Variants */
.modal-sm {
    max-width: 400px;
}

.delete-warning {
    text-align: center;
    color: var(--gray-700);
    line-height: 1.8;
}

.delete-warning svg {
    width: 48px;
    height: 48px;
    color: var(--warning);
    margin-bottom: var(--spacing-md);
}

.delete-warning small {
    color: var(--gray-500);
    font-size: 0.875rem;
}

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

.btn-danger:hover {
    background: #dc2626;
}

/* Detail Modal */
.detail-preview {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.detail-preview img {
    width: 100%;
    aspect-ratio: 1.91 / 1;
    object-fit: cover;
}

.detail-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-row label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-row p {
    font-size: 0.9375rem;
    color: var(--gray-800);
    word-break: break-all;
}

.detail-row a {
    color: var(--primary);
    text-decoration: none;
}

.detail-row a:hover {
    text-decoration: underline;
}

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

/* Responsive - Mobile */
@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-bar {
        flex-direction: column;
    }
    
    .filter-actions {
        width: 100%;
    }
    
    .filter-select {
        flex: 1;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .modal-footer {
        flex-direction: column-reverse;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
}


/* Edit Button in Card Actions */
.card-action-btn.edit:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

/* Modal Large */
.modal-lg {
    max-width: 600px;
}

/* Edit Modal Styles */
.edit-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.edit-preview-image {
    width: 100%;
    aspect-ratio: 1.91 / 1;
    object-fit: cover;
    display: block;
}

.edit-image-actions {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-sm svg {
    width: 16px;
    height: 16px;
}

/* Form Styles for Edit Modal */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.char-counter {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: var(--spacing-xs);
}

/* Crop Container for Edit */
.crop-container {
    max-height: 400px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--gray-900);
}

.crop-container img {
    max-width: 100%;
    display: block;
}

.crop-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.crop-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 2px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.crop-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.crop-btn svg {
    width: 20px;
    height: 20px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.loading-content .spinner.large {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
}

.loading-content p {
    color: var(--gray-600);
    font-weight: 500;
}

/* URL Copy Field */
.url-copy-field {
    display: flex;
    gap: var(--spacing-sm);
}

.url-copy-field .form-input {
    flex: 1;
    font-size: 0.875rem;
    padding: var(--spacing-sm) var(--spacing-md);
}

.btn-copy {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    white-space: nowrap;
}

.btn-copy svg {
    width: 16px;
    height: 16px;
}


/* Edit Modal Scroll */
#editModal .modal-content {
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

#editModal .modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

#editModal .modal-body::-webkit-scrollbar {
    width: 8px;
}

#editModal .modal-body::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

#editModal .modal-body::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

#editModal .modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Detail Modal Scroll */
#detailModal .modal-content {
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

#detailModal .modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

#detailModal .modal-body::-webkit-scrollbar {
    width: 8px;
}

#detailModal .modal-body::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

#detailModal .modal-body::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

#detailModal .modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Crop Modal Scroll */
#editCropModal .modal-content {
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

#editCropModal .modal-body {
    flex: 1;
    overflow-y: auto;
}

/* ================================================
   Edit Modal - Cushion Page Settings
   ================================================ */

/* Section Divider */
.edit-section-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    gap: var(--spacing-md);
}

.edit-section-divider::before,
.edit-section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.edit-section-divider span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    white-space: nowrap;
}

/* Cushion Toggle Group */
.cushion-toggle-group {
    margin-bottom: var(--spacing-md);
}

.cushion-toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.cushion-toggle-wrapper .form-label {
    margin-bottom: 0;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    transition: 0.3s;
    border-radius: 26px;
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Input Hint */
.input-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
    line-height: 1.4;
}

/* Cushion Settings Container */
#editCushionSettings {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

#editCushionSettings.cushion-disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Toggle Advanced Button */
.toggle-advanced {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: all 0.2s ease;
    margin-bottom: var(--spacing-md);
}

.toggle-advanced:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.toggle-advanced svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.toggle-advanced.active svg {
    transform: rotate(180deg);
}

/* Advanced Settings */
.advanced-settings {
    padding: var(--spacing-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

/* Background Type Selector */
.bg-type-selector {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.bg-type-option {
    flex: 1;
    min-width: 80px;
}

.bg-type-option input {
    display: none;
}

.bg-type-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.75rem;
    color: var(--gray-600);
}

.bg-type-option input:checked + .bg-type-label {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
    color: var(--primary-color);
}

.bg-type-icon {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

.bg-type-icon.solid-icon {
    background: var(--gray-400);
}

.bg-type-icon.gradient-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.bg-type-icon.image-icon {
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%239ca3af" stroke-width="2"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="8.5" cy="8.5" r="1.5"/><path d="M21 15l-5-5L5 21"/></svg>') center/contain no-repeat;
    background-color: var(--gray-200);
}

/* Background Settings */
.bg-settings {
    margin-top: var(--spacing-md);
}

/* Color Picker Wrapper */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.color-picker {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    background: transparent;
}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.color-picker::-webkit-color-swatch {
    border-radius: 4px;
    border: none;
}

.color-text {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: monospace;
    font-size: 0.875rem;
    text-transform: uppercase;
}

/* Color Presets */
.color-presets {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.color-preset {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--gray-200);
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.color-preset:hover {
    transform: scale(1.1);
    border-color: var(--gray-400);
}

/* Gradient Colors */
.gradient-colors {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.gradient-color-item {
    flex: 1;
    min-width: 140px;
}

.gradient-color-item label {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
}

/* Gradient Presets */
.gradient-presets {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.gradient-preset {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 2px solid var(--gray-200);
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.gradient-preset:hover {
    transform: scale(1.1);
    border-color: var(--gray-400);
}

/* Range Slider */
.range-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--gray-200);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.range-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Background Image Upload */
.bg-image-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.bg-image-upload:hover,
.bg-image-upload.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.bg-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-500);
}

.bg-image-placeholder svg {
    width: 32px;
    height: 32px;
}

.bg-image-placeholder span {
    font-size: 0.875rem;
}

.bg-image-preview {
    position: relative;
}

.bg-image-preview img {
    max-width: 100%;
    max-height: 150px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.bg-image-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--error-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.bg-image-remove:hover {
    transform: scale(1.1);
}

.bg-image-remove svg {
    width: 14px;
    height: 14px;
}

/* Responsive adjustments for edit modal */
@media (max-width: 640px) {
    .cushion-toggle-wrapper {
        flex-wrap: wrap;
    }
    
    .bg-type-selector {
        flex-direction: column;
    }
    
    .bg-type-option {
        min-width: 100%;
    }
    
    .gradient-colors {
        flex-direction: column;
    }
    
    .gradient-color-item {
        min-width: 100%;
    }
}