/**
 * OCR Page Selector Styles
 * Styling for page range selection UI
 */

.page-selector-panel {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    margin: 15px 0;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-selector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #dee2e6;
}

.page-selector-header h4 {
    margin: 0;
    color: #333;
    font-size: 16px;
}

.page-count-badge {
    background: #667eea;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}

/* Mode Selection */
.page-selector-modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.mode-option {
    display: flex;
    align-items: flex-start;
    padding: 12px;
    border: 2px solid #dee2e6;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.mode-option:hover {
    border-color: #667eea;
    background: #f0f2ff;
}

.mode-option input[type="radio"] {
    margin-right: 10px;
    margin-top: 2px;
    cursor: pointer;
}

.mode-option input[type="radio"]:checked + .mode-label {
    color: #667eea;
}

.mode-option input[type="radio"]:checked {
    accent-color: #667eea;
}

.mode-label {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.mode-label strong {
    font-size: 14px;
    color: #333;
}

.mode-label small {
    font-size: 12px;
    color: #6c757d;
}

/* Input Containers */
.range-input-container,
.custom-input-container {
    margin: 15px 0;
    padding: 15px;
    background: white;
    border: 2px solid #0d6efd;
    border-radius: 6px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.range-input-container label,
.custom-input-container label {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.range-input-container strong,
.custom-input-container strong {
    color: #333;
    font-size: 14px;
}

.page-range-input {
    padding: 10px 12px;
    border: 2px solid #dee2e6;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s ease;
    font-family: 'Courier New', monospace;
}

.page-range-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-hint {
    color: #6c757d;
    font-size: 12px;
    font-style: italic;
}

/* Page Preview */
.page-preview-container {
    margin: 15px 0;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.preview-header strong {
    color: #333;
    font-size: 14px;
}

.btn-toggle-preview {
    background: #6c757d;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-toggle-preview:hover {
    background: #5a6268;
}

.page-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: 6px;
    max-height: 400px;
    overflow-y: auto;
}

.page-thumbnail {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    border: 2px solid #dee2e6;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.page-thumbnail:hover {
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.page-thumbnail img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page-number {
    margin-top: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #6c757d;
}

.page-thumbnails .loading,
.page-thumbnails .error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 20px;
    color: #6c757d;
}

.page-thumbnails .error {
    color: #dc3545;
}

.preview-note {
    grid-column: 1 / -1;
    text-align: center;
    padding: 10px;
    color: #6c757d;
    font-size: 13px;
    font-style: italic;
    background: #f8f9fa;
    border-radius: 4px;
}

/* Summary */
.page-selector-summary {
    margin-top: 15px;
    padding: 12px 15px;
    background: white;
    border-left: 4px solid #667eea;
    border-radius: 4px;
    font-size: 14px;
}

.page-selector-summary strong {
    color: #333;
    margin-right: 8px;
}

#selected-pages-display {
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* Responsive */
@media (max-width: 768px) {
    .page-selector-modes {
        grid-template-columns: 1fr;
    }

    .page-thumbnails {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .page-selector-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

/* Scrollbar styling for page thumbnails */
.page-thumbnails::-webkit-scrollbar {
    width: 8px;
}

.page-thumbnails::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.page-thumbnails::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.page-thumbnails::-webkit-scrollbar-thumb:hover {
    background: #555;
}