/* ============================================================================
   SEARCH RESULTS COMPONENT
   ============================================================================
   
   Display component for search results showing matched documents/chunks.
   Includes metadata summary, signal breakdowns, and result cards with scoring.
   
   Search signals: Lexical (BM25), Semantic (embeddings), Authority (citations)
   
   ============================================================================ */

/* ============================================================================
   MAIN CONTAINER
   ============================================================================ */

.search-results-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}


/* ============================================================================
   LOADING STATE
   ============================================================================ */

.search-results-loading {
    text-align: center;
    padding: 60px 20px;
}

.loading-spinner {
    font-size: 3rem;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-bottom: 20px;
}


/* ============================================================================
   EMPTY STATE
   ============================================================================ */

.search-results-empty {
    text-align: center;
    padding: 60px 20px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.empty-message {
    font-size: 1.125rem;
    color: #6b7280;  /* TODO: Add --color-empty-text to variables */
    font-family: var(--font-primary);
}


/* ============================================================================
   METADATA SECTION
   ============================================================================ */

.search-metadata {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.metadata-summary {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    font-size: 1rem;
}

.search-mode-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
    background: var(--color-primary);
    color: white;
}

.search-mode-detail {
    font-size: 0.75rem;
    color: #6b7280;
    font-style: italic;
    font-family: var(--font-primary);
}

.result-count {
    font-weight: 600;
    color: #1f2937;  /* TODO: Add --color-result-count to variables */
}

.search-time {
    color: #6b7280;  /* TODO: Add --color-time-gray to variables */
    margin-inline-end: auto;
}

/* Root expansion info */
.roots-info {
    margin: 12px 0;
    padding: 12px;
    background: #f3f4f6;  /* TODO: Add --color-roots-bg to variables */
    border-radius: var(--radius-lg);
}

.roots-label {
    font-weight: 600;
    margin-inline-end: 8px;
}

.root-tag {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin: 0 4px;
    font-size: 0.875rem;
}

/* Signal statistics */
.signal-stats {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.stat-item {
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.stat-item.lexical {
    background: var(--p-brown-100);
    color: var(--p-brown-800);
}

.stat-item.semantic {
    background: var(--p-amber-100);
    color: var(--p-amber-800);
}

.stat-item.authority {
    background: var(--p-red-100);
    color: var(--p-red-800);
}

.stat-item.semantic-unavailable {
    background: #fef3c7;  /* TODO: Add --color-unavailable-bg to variables */
    color: #92400e;       /* TODO: Add --color-unavailable-text to variables */
}


/* ============================================================================
   RESULTS LIST
   ============================================================================ */

.results-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}


/* ============================================================================
   RESULT CARD
   ============================================================================ */

.search-result-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition-all);
}

.search-result-card:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}


/* ============================================================================
   RESULT HEADER
   ============================================================================ */

.result-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.result-rank {
    font-size: 1.5rem;
    font-weight: bold;
    color: #6b7280;  /* TODO: Add --color-rank-gray to variables */
    min-width: 40px;
}

.result-score {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
}

.result-primary-signal {
    margin-inline-end: auto;
    padding: 4px 12px;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
}

/* Signal color badges */
.text-blue-600 {
    background: var(--p-brown-100);
    color: var(--p-brown-800);
}

.text-green-600 {
    background: var(--p-amber-100);
    color: var(--p-amber-800);
}

.text-purple-600 {
    background: var(--p-red-100);
    color: var(--p-red-800);
}


/* ============================================================================
   RESULT CONTENT
   ============================================================================ */

.result-content {
    margin: 16px 0;
}

.result-text {
    font-size: 1rem;
    line-height: 1.8;
    color: #1f2937;  /* TODO: Add --color-result-text to variables */
    margin-bottom: 12px;
    font-family: var(--font-primary);
}

/* Highlighted search terms in preview */
.result-text strong {
    color: #8b0000;  /* Dark blood red */
    font-weight: 800;
    font-size: 1.15em;
}

/* Root/morphological expansion matches — secondary tier. Softer than the
   query's own words (above) so related surface forms are visible without
   being mistaken for a verbatim hit: muted amber, no size bump, dotted
   underline to read as "morphologically related". */
.result-text .hl-root {
    color: #a16207;  /* muted amber-brown */
    font-weight: 600;
    text-decoration: underline dotted;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

.result-metadata {
    font-size: 0.875rem;
    color: #6b7280;  /* TODO: Add --color-metadata-gray to variables */
}

/* Citation header row: title — author (ت XXX هـ) + location badge + chevron */
.result-content .result-metadata {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid #f3f4f6;
}

.result-content .result-metadata .document-title {
    font-weight: 700;
    color: #1f2937;
    font-size: 0.9375rem;
}

.result-location-badge {
    background: #eef2ff;
    color: #3730a3;
    padding: 2px 10px;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
}

.result-expand-indicator {
    margin-inline-start: auto;
    color: #9ca3af;
    font-size: 0.6875rem;
}

/* Expanded card: full chunk context + reader link */
.search-result-card.expanded {
    border-inline-start: 3px solid var(--color-primary);
}

.result-text-full {
    max-height: 60vh;
    overflow-y: auto;
    background: #fafafa;
    border-radius: var(--radius-md);
    padding: 12px 14px;
}

.result-actions {
    display: flex;
    justify-content: flex-start;
    margin-top: 10px;
}

.result-open-reader {
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 8px 18px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: background 0.15s;
}

.result-open-reader:hover {
    background: var(--color-primary-dark);
}


/* ============================================================================
   SIGNAL BREAKDOWN BAR
   ============================================================================ */

.signal-breakdown {
    margin: 16px 0;
}

.signal-bar {
    height: 8px;
    background: #f3f4f6;  /* TODO: Add --color-signal-bg to variables */
    border-radius: var(--radius-sm);
    display: flex;
    overflow: hidden;
    margin-bottom: 8px;
}

.signal-segment {
    height: 100%;
    transition: opacity 0.2s;
}

.signal-segment.lexical {
    background: var(--color-primary);
}

.signal-segment.semantic {
    background: var(--color-goldenrod);
}

.signal-segment.authority {
    background: var(--color-chocolate);
}

.signal-details {
    display: flex;
    gap: 16px;
    font-size: 0.75rem;
    color: #6b7280;  /* TODO: Add --color-details-gray to variables */
}

.signal-score {
    font-weight: 600;
}


/* ============================================================================
   RESULT FOOTER
   ============================================================================ */

.result-footer {
    display: flex;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid #e5e7eb;  /* TODO: Add --color-footer-border to variables */
    font-size: 0.75rem;
    color: #9ca3af;  /* TODO: Add --color-footer-text to variables */
}

.chunk-id, .quality-score {
    font-family: monospace;
}
/* Load More Button */
.load-more-container {
    display: flex;
    justify-content: center;
    padding: 1.5rem;
    margin-top: 1rem;
}

.load-more-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.load-more-button:hover:not(:disabled) {
    background: var(--accent-hover, #3a7bc8);
    transform: translateY(-1px);
}

.load-more-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.load-more-button .spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* No More Results */
.no-more-results {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-secondary, #666);
    font-size: 0.9rem;
}

.no-more-results p {
    margin: 0;
}


/* ============================================================================
   PAGINATION CONTROLS
   ============================================================================ */

.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 16px;
    margin: 16px 0;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.pagination-container.with-page-size {
    justify-content: space-between;
}

/* Page size selector */
.page-size-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
}

.page-size-selector label {
    color: #6b7280;
}

.page-size-selector select {
    padding: 6px 12px;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: white;
    cursor: pointer;
    direction: ltr;
}

.page-size-selector select:hover {
    border-color: var(--color-primary);
}

.page-size-selector select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

/* Sort selector — styled to match the page-size control (was unstyled/raw) */
.sort-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
}

.sort-selector label {
    color: #6b7280;
}

.sort-selector select {
    padding: 6px 12px;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: white;
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.sort-selector select:hover {
    border-color: var(--color-primary);
}

.sort-selector select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

/* Pagination controls container */
.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Page navigation buttons (Previous/Next) */
.page-nav-button {
    padding: 8px 16px;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    background: white;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-all);
}

.page-nav-button:hover:not(:disabled) {
    background: #f3f4f6;
    border-color: var(--color-primary);
}

.page-nav-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Page numbers container */
.page-numbers {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Individual page number buttons */
.page-number {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    background: white;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-all);
}

.page-number:hover:not(:disabled):not(.current) {
    background: #f3f4f6;
    border-color: var(--color-primary);
}

.page-number.current {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    cursor: default;
}

.page-number:disabled:not(.current) {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Ellipsis between page numbers */
.page-ellipsis {
    padding: 0 8px;
    color: #6b7280;
    font-size: 0.875rem;
}

/* "Jump to page" control */
.pagination-controls .page-jump {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-inline-start: 8px;
    font-size: 0.875rem;
}

.pagination-controls .page-jump label {
    color: #6b7280;
    white-space: nowrap;
}

.pagination-controls .page-jump-input {
    width: 60px;
    height: 36px;
    padding: 0 8px;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: white;
    text-align: center;
    direction: ltr;
    -moz-appearance: textfield;
}

.pagination-controls .page-jump-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.pagination-controls .page-jump-go {
    height: 36px;
    padding: 0 14px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: white;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-all);
}

.pagination-controls .page-jump-go:hover:not(:disabled) {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.pagination-controls .page-jump-go:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Hide the number-input spinner arrows for a cleaner box */
.page-jump-input::-webkit-outer-spin-button,
.page-jump-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .pagination-container {
        flex-direction: column;
        gap: 12px;
    }

    .pagination-container.with-page-size {
        justify-content: center;
    }

    .page-nav-button {
        padding: 6px 12px;
        font-size: 0.8125rem;
    }

    .page-number {
        min-width: 32px;
        height: 32px;
        font-size: 0.8125rem;
    }
}