/* AA Literature Study - Search Styles */

/* Search Panel */
.search-panel {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: 400px;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    z-index: 90;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.search-panel.visible {
    transform: translateX(0);
}

.search-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.search-panel-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.search-filters {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.search-filters select {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.search-filters select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.search-results {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

/* Search Result Item */
.search-result {
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.search-result:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-sm);
}

.search-result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.search-result-book {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--accent-color);
}

.search-result-location {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.search-result-snippet {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.search-result-snippet mark {
    background-color: var(--highlight-yellow);
    color: inherit;
    padding: 1px 2px;
    border-radius: 2px;
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.no-results svg {
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.no-results h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* Search Stats */
.search-stats {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-tertiary);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Advanced Search */
.advanced-search {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.advanced-search-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
}

.advanced-search-toggle:hover {
    color: var(--text-primary);
}

.advanced-search-options {
    display: none;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.advanced-search-options.visible {
    display: flex;
}

.search-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-option label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.search-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    background-color: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.visible .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

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

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Modal Form Elements */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* Selected Text Preview in Modal */
.selected-text-preview {
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: 6px;
    margin-bottom: var(--spacing-md);
    font-style: italic;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-color);
}

/* Cross Reference Modal */
.crossref-step {
    margin-bottom: var(--spacing-lg);
}

.crossref-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-right: var(--spacing-sm);
}

.crossref-step-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.crossref-target {
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.crossref-target:hover {
    background-color: var(--bg-tertiary);
}

.crossref-target.selected {
    border: 2px solid var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .search-panel {
        width: 100%;
    }

    .modal {
        width: 95%;
        max-height: 90vh;
    }
}