/**
 * Export Modal Styles for Koby
 */

/* Modal Overlay */
.export-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    backdrop-filter: blur(5px);
}

.export-modal-content {
    background: var(--bg-color, #ffffff);
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

/* Dark mode support */
body.dark-mode .export-modal-content {
    background: #1e1e1e;
    color: #e0e0e0;
}

/* Modal Header */
.export-modal-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.dark-mode .export-modal-header {
    border-bottom-color: #333;
}

.export-modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.close-button {
    background: none;
    border: none;
    font-size: 32px;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
}

.close-button:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #333;
}

body.dark-mode .close-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* Modal Body */
.export-modal-body {
    padding: 24px 32px;
    overflow-y: auto;
    flex: 1;
}

.export-section {
    margin-bottom: 32px;
}

.export-section:last-child {
    margin-bottom: 0;
}

.export-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 16px 0;
    color: var(--text-color, #333);
}

body.dark-mode .export-section h3 {
    color: #e0e0e0;
}

/* Format Selector */
.format-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.format-option {
    cursor: pointer;
}

.format-option input[type="radio"] {
    display: none;
}

.format-card {
    border: 2px solid var(--border-color, #e0e0e0);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    transition: all 0.2s;
    background: var(--bg-color, #ffffff);
}

body.dark-mode .format-card {
    border-color: #333;
    background: #252525;
}

.format-option input[type="radio"]:checked + .format-card {
    border-color: var(--primary-color, #4CAF50);
    background: rgba(76, 175, 80, 0.1);
}

.format-card:hover {
    border-color: var(--primary-color, #4CAF50);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.format-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.format-name {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-color, #333);
}

body.dark-mode .format-name {
    color: #e0e0e0;
}

.format-desc {
    font-size: 12px;
    color: #999;
}

/* Book Selection */
.book-selection label {
    display: block;
    margin-bottom: 12px;
    cursor: pointer;
}

.book-selection input[type="radio"] {
    margin-right: 8px;
}

#book-list-container {
    margin-top: 16px;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    padding: 12px;
}

body.dark-mode #book-list-container {
    border-color: #333;
}

.book-checklist {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.book-checkbox-item {
    display: flex;
    align-items: center;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.book-checkbox-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

body.dark-mode .book-checkbox-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.book-checkbox-item input[type="checkbox"] {
    margin-right: 12px;
}

.book-title {
    font-weight: 500;
    flex: 1;
}

.book-author {
    font-size: 14px;
    color: #999;
    margin-left: 12px;
}

/* Export Options */
.export-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.export-options label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
}

.export-options input[type="checkbox"] {
    margin-right: 12px;
    margin-top: 2px;
}

.export-options small {
    display: block;
    color: #999;
    font-size: 12px;
    margin-top: 4px;
}

/* File Structure Options */
.file-structure-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.file-structure-options label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.file-structure-options input[type="radio"] {
    margin-right: 12px;
}

/* Flashcard Stats */
.flashcard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    padding: 20px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 12px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color, #4CAF50);
    margin-bottom: 4px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: #666;
}

body.dark-mode .stat-label {
    color: #999;
}

/* Flashcard Preview */
.flashcard-preview-container {
    margin-top: 12px;
    margin-bottom: 12px;
}

.preview-loading,
.preview-error {
    text-align: center;
    padding: 40px;
    color: #999;
    font-style: italic;
}

.preview-card {
    background: var(--bg-color, #f9f9f9);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
}

body.dark-mode .preview-card {
    background: #252525;
    border-color: #333;
}

.preview-card:last-child {
    margin-bottom: 0;
}

.card-front {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color, #333);
}

body.dark-mode .card-front {
    color: #e0e0e0;
}

.card-back {
    color: #666;
    margin-bottom: 8px;
}

body.dark-mode .card-back {
    color: #aaa;
}

.card-context {
    font-style: italic;
    color: #999;
    font-size: 14px;
    margin-bottom: 4px;
}

.card-source {
    font-size: 12px;
    color: #999;
}

/* Modal Footer */
.export-modal-footer {
    padding: 20px 32px;
    border-top: 1px solid var(--border-color, #e0e0e0);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

body.dark-mode .export-modal-footer {
    border-top-color: #333;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-small {
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-color, #4CAF50);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #45a049;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    color: var(--text-color, #333);
    border: 1px solid var(--border-color, #e0e0e0);
}

body.dark-mode .btn-secondary {
    color: #e0e0e0;
    border-color: #333;
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.05);
}

body.dark-mode .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-icon {
    font-size: 18px;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: white;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease-out;
    z-index: 2000;
}

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

.toast-notification.success {
    border-left: 4px solid #4CAF50;
}

.toast-icon {
    font-size: 24px;
}

.toast-message {
    font-weight: 500;
}

body.dark-mode .toast-notification {
    background: #2a2a2a;
    color: #e0e0e0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .export-modal-content {
        max-width: 100%;
        max-height: 95vh;
        margin: 0;
    }

    .export-modal-header,
    .export-modal-body,
    .export-modal-footer {
        padding: 16px 20px;
    }

    .format-selector {
        grid-template-columns: 1fr 1fr;
    }

    .flashcard-stats {
        grid-template-columns: 1fr;
    }

    .export-modal-footer {
        flex-direction: column;
    }

    .export-modal-footer button {
        width: 100%;
    }
}

/* Export Buttons in Profile */
.export-buttons-container {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.export-button {
    padding: 12px 20px;
    border-radius: 8px;
    background: var(--primary-color, #4CAF50);
    color: white;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.export-button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.export-button-icon {
    font-size: 20px;
}

.export-button.secondary {
    background: transparent;
    color: var(--text-color, #333);
    border: 2px solid var(--primary-color, #4CAF50);
}

.export-button.secondary:hover {
    background: rgba(76, 175, 80, 0.1);
}

body.dark-mode .export-button.secondary {
    color: #e0e0e0;
}