/**
 * Enhanced Search Styles
 * Modern, accessible search interface for Sphinx documentation
 */

/* Search Modal */
.enhanced-search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 8vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.enhanced-search-modal.visible {
    opacity: 1;
    visibility: visible;
}

/* Backdrop */
.enhanced-search-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

/* Main Container - NVIDIA theme aligned */
.enhanced-search-container {
    position: relative;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: var(--pst-color-background, #ffffff);
    border: 1px solid var(--pst-color-on-surface, #333);
    border-radius: 12px;
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.15),
        0 10px 10px -5px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(-20px);
    transition: transform 0.2s ease;
    font-family: var(--pst-font-family-base, 'NVIDIA', Arial, Helvetica, Sans-Serif);
}

.enhanced-search-modal.visible .enhanced-search-container {
    transform: translateY(0);
}

/* Header */
.enhanced-search-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--pst-color-border, #e5e7eb);
}

.enhanced-search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.enhanced-search-input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    font-size: 16px;
    line-height: 1.5;
    border: 2px solid var(--pst-color-border, #e5e7eb);
    border-radius: 8px;
    background: var(--pst-color-surface, #ffffff);
    color: var(--pst-color-text-base, #374151);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.enhanced-search-input:focus {
    outline: none;
    border-color: var(--nv-color-green, #76b900);
    box-shadow: 0 0 0 3px rgba(118, 185, 0, 0.1);
}

.search-icon {
    position: absolute;
    left: 16px;
    color: var(--pst-color-text-muted, #6b7280);
    font-size: 18px;
    pointer-events: none;
}

.enhanced-search-close {
    position: absolute;
    right: 12px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--pst-color-text-muted, #6b7280);
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.enhanced-search-close:hover {
    background: var(--pst-color-surface-200, #f3f4f6);
    color: var(--pst-color-text-base, #374151);
}

.enhanced-search-stats {
    font-size: 14px;
    color: var(--pst-color-text-muted, #6b7280);
    min-height: 20px;
}

/* Results Container */
.enhanced-search-results {
    flex: 1;
    overflow-y: auto;
    max-height: 60vh;
}

.search-results-list {
    padding: 8px 0;
}

/* Result Items */
.search-result-item {
    display: flex;
    align-items: flex-start;
    padding: 16px 20px;
    border-bottom: 1px solid var(--pst-color-border-100, #f3f4f6);
    cursor: pointer;
    transition: background-color 0.2s ease;
    outline: none;
}

.search-result-item:hover,
.search-result-item.selected {
    background: var(--pst-color-surface-100, #f9fafb);
}

.search-result-item.selected {
    border-left: max(3px, .1875rem, .12em) solid var(--nv-color-green, #76b900);
}

.search-result-content {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--pst-color-text-base, #374151);
    margin-bottom: 4px;
    line-height: 1.4;
}

.search-result-summary {
    font-size: 14px;
    color: var(--pst-color-text-muted, #6b7280);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.search-result-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.search-result-breadcrumb {
    font-size: 12px;
    color: var(--pst-color-text-muted, #9ca3af);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.search-result-tags {
    display: flex;
    gap: 4px;
}

.search-result-tags .tag {
    display: inline-block;
    padding: 2px 6px;
    font-size: 11px;
    background: var(--pst-color-surface-200, #e5e7eb);
    color: var(--pst-color-text-base, #374151);
    border-radius: 4px;
    font-weight: 500;
}

.search-result-score {
    color: var(--pst-color-text-muted, #9ca3af);
    font-size: 16px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.search-result-item:hover .search-result-score,
.search-result-item.selected .search-result-score {
    opacity: 1;
}

/* Matching Sections */
.search-result-sections {
    margin: 12px 0 8px 0;
    padding-left: 8px;
    border-left: 2px solid var(--pst-color-border, #e5e7eb);
}

.search-result-section {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    margin: 2px 0;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: var(--pst-color-text-muted, #6b7280);
}

.search-result-section:hover {
    background: var(--pst-color-surface-200, #f3f4f6);
    color: var(--pst-color-text-base, #374151);
}

.search-result-section .section-icon {
    font-size: 11px;
    width: 12px;
    text-align: center;
    opacity: 0.7;
}

.search-result-section .title-icon {
    color: var(--pst-color-primary, #0ea5e9);
}

.search-result-section .h1-icon {
    color: #059669;
}

.search-result-section .h2-icon {
    color: #7c3aed;
}

.search-result-section .h3-icon {
    color: #dc2626;
}

.search-result-section .content-icon {
    color: var(--pst-color-text-muted, #9ca3af);
}

.search-result-section .section-text {
    flex: 1;
    line-height: 1.3;
}

.search-result-section-more {
    font-size: 12px;
    color: var(--pst-color-text-muted, #9ca3af);
    padding: 4px 8px;
    font-style: italic;
}

/* Multiple Matches Indicator */
.search-result-matches-count {
    display: inline-block;
    padding: 2px 6px;
    font-size: 11px;
    background: var(--pst-color-primary, #0ea5e9);
    color: white;
    border-radius: 10px;
    font-weight: 600;
    margin-left: 8px;
    vertical-align: middle;
}

/* Highlight - NVIDIA theme */
.search-highlight {
    background: var(--nv-color-green, #76b900);
    color: white;
    padding: 1px 2px;
    border-radius: 2px;
    font-weight: 600;
}

/* Empty States */
.search-empty-state,
.search-no-results {
    padding: 40px 20px;
    text-align: center;
    color: var(--pst-color-text-muted, #6b7280);
}

.search-empty-state i,
.search-no-results i {
    font-size: 48px;
    color: var(--pst-color-text-muted, #d1d5db);
    margin-bottom: 16px;
    display: block;
}

.search-empty-state p,
.search-no-results p {
    font-size: 18px;
    margin-bottom: 24px;
    color: var(--pst-color-text-base, #374151);
}

.search-tips,
.search-suggestions {
    text-align: left;
    max-width: 300px;
    margin: 0 auto;
    background: var(--pst-color-surface-100, #f9fafb);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--pst-color-border, #e5e7eb);
}

.search-tips strong,
.search-suggestions strong {
    color: var(--pst-color-text-base, #374151);
    display: block;
    margin-bottom: 8px;
}

.search-tips ul,
.search-suggestions ul {
    margin: 0;
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.search-tips li,
.search-suggestions li {
    margin-bottom: 4px;
}

/* Footer */
.enhanced-search-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--pst-color-border, #e5e7eb);
    background: var(--pst-color-surface-100, #f9fafb);
}

.enhanced-search-shortcuts {
    display: flex;
    gap: 16px;
    justify-content: center;
    font-size: 12px;
    color: var(--pst-color-text-muted, #6b7280);
}

.enhanced-search-shortcuts kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--pst-color-surface, #ffffff);
    border: 1px solid var(--pst-color-border, #d1d5db);
    border-radius: 4px;
    font-family: monospace;
    font-size: 11px;
    font-weight: 600;
    color: var(--pst-color-text-base, #374151);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Error State */
.search-error {
    padding: 20px;
    text-align: center;
    color: var(--pst-color-danger, #dc2626);
    background: var(--pst-color-danger-bg, #fef2f2);
    border: 1px solid var(--pst-color-danger-border, #fecaca);
    border-radius: 8px;
    margin: 20px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .enhanced-search-container {
        background: var(--pst-color-surface, #1f2937);
        color: var(--pst-color-text-base, #f9fafb);
    }
    
    .search-highlight {
        background: var(--nv-color-green, #76b900);
        color: var(--pst-color-background, #111);
    }
    
    .search-result-tags .tag {
        background: var(--pst-color-surface-300, #374151);
        color: var(--pst-color-text-base, #f9fafb);
    }
    
    .enhanced-search-shortcuts kbd {
        background: var(--pst-color-surface-300, #374151);
        border-color: var(--pst-color-border, #4b5563);
        color: var(--pst-color-text-base, #f9fafb);
    }
    
    .search-tips,
    .search-suggestions {
        background: var(--pst-color-surface-200, #374151);
        border-color: var(--pst-color-border, #4b5563);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .enhanced-search-modal {
        padding: 4vh 16px;
    }
    
    .enhanced-search-container {
        width: 100%;
        max-height: 85vh;
    }
    
    .enhanced-search-input {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .enhanced-search-shortcuts {
        gap: 12px;
        flex-wrap: wrap;
    }
    
    .search-result-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}

@media (max-width: 480px) {
    .search-result-item {
        padding: 16px;
    }
    
    .enhanced-search-header {
        padding: 16px;
    }
    
    .enhanced-search-footer {
        padding: 16px;
    }
    
    .search-empty-state,
    .search-no-results {
        padding: 32px 16px;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    .enhanced-search-modal,
    .enhanced-search-container,
    .search-result-item,
    .enhanced-search-input,
    .enhanced-search-close {
        transition: none;
    }
}

/* Focus Management */
.enhanced-search-modal:focus-within .enhanced-search-input {
    border-color: var(--nv-color-green, #76b900);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .enhanced-search-container {
        border: 2px solid var(--pst-color-text-base, #000000);
    }
    
    .search-result-item.selected {
        border-left-width: 4px;
        background: var(--pst-color-primary-bg, #dbeafe);
    }
    
    .search-highlight {
        background: #ffff00;
        color: #000000;
        outline: 1px solid #000000;
    }
}

/* Enhanced Search Styling - NVIDIA Theme Compatible */

/* Search Input */
#enhanced-search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--pst-color-on-surface);
    border-radius: 0.25rem;
    background-color: var(--pst-color-surface);
    color: var(--pst-color-text-base);
    font-family: var(--pst-font-family-base);
    font-size: 1rem;
    line-height: 1.5;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

#enhanced-search-input:focus {
    outline: none;
    border-color: var(--nv-color-green);
    box-shadow: 0 0 0 0.2rem rgba(118, 185, 0, 0.25);
}

#enhanced-search-input::placeholder {
    color: var(--pst-color-text-muted);
}

/* Loading Spinner */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--pst-color-text-muted);
    font-family: var(--pst-font-family-base);
}

.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 0.25rem solid var(--pst-color-surface);
    border-radius: 50%;
    border-top-color: var(--nv-color-green);
    animation: spin 1s ease-in-out infinite;
}

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

/* Search Results Container */
#search-results {
    margin-top: 1.5rem;
}

/* RAG Analysis Card */
.rag-analysis-card {
    background: linear-gradient(135deg, var(--pst-color-surface) 0%, var(--pst-color-background) 100%);
    border: 1px solid var(--pst-color-on-surface);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: box-shadow 0.15s ease-in-out;
}

.rag-analysis-card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.rag-analysis-card h3 {
    color: var(--pst-color-heading);
    font-family: var(--pst-font-family-heading);
    font-weight: var(--pst-font-weight-heading);
    font-size: var(--pst-font-size-h3);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rag-analysis-card h3::before {
    content: "🤖";
    font-size: 1.5rem;
}

.rag-analysis-content {
    color: var(--pst-color-text-base);
    font-family: var(--pst-font-family-base);
    line-height: 1.6;
}

.rag-analysis-content p {
    margin-bottom: 1rem;
}

.rag-analysis-content p:last-child {
    margin-bottom: 0;
}

.rag-sources {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--pst-color-on-surface);
}

.rag-sources h4 {
    color: var(--pst-color-heading);
    font-family: var(--pst-font-family-heading);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.5rem 0;
}

.rag-sources ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rag-sources li {
    margin-bottom: 0.25rem;
}

.rag-sources a {
    color: var(--pst-color-primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.15s ease-in-out;
}

.rag-sources a:hover {
    color: var(--nv-color-green);
    text-decoration: underline;
    text-decoration-color: var(--nv-color-green);
    text-decoration-thickness: max(3px, 0.1875rem, 0.12em);
}

/* Search Result Card */
.search-result {
    background-color: var(--pst-color-surface);
    border: 1px solid var(--pst-color-on-surface);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.2s ease-in-out;
    position: relative;
    overflow: hidden;
}

.search-result::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--nv-color-green), var(--nv-color-green-2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease-in-out;
}

.search-result:hover {
    border-color: var(--nv-color-green);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    transform: translateY(-0.125rem);
}

.search-result:hover::before {
    transform: scaleX(1);
}

/* Result Header */
.result-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.section-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.result-info {
    flex-grow: 1;
    min-width: 0;
}

.result-title {
    margin: 0 0 0.5rem 0;
    font-family: var(--pst-font-family-heading);
    font-weight: var(--pst-font-weight-heading);
    font-size: var(--pst-font-size-h4);
    line-height: 1.25;
}

.result-title a {
    color: var(--pst-color-heading);
    text-decoration: none;
    transition: color 0.15s ease-in-out;
}

.result-title a:hover {
    color: var(--nv-color-green);
    text-decoration: underline;
    text-decoration-color: var(--nv-color-green);
    text-decoration-thickness: max(3px, 0.1875rem, 0.12em);
}

/* Breadcrumb */
.result-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--pst-color-text-muted);
    margin-bottom: 0.5rem;
    font-family: var(--pst-font-family-base);
}

.result-breadcrumb .breadcrumb-separator {
    color: var(--pst-color-text-muted);
    font-weight: 400;
}

/* Section Badge and Score */
.result-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background-color: var(--pst-color-background);
    border: 1px solid var(--pst-color-on-surface);
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--pst-color-text-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.relevance-score {
    font-size: 0.75rem;
    color: var(--pst-color-text-muted);
    font-weight: 500;
    font-family: var(--pst-font-family-monospace);
}

/* Result Content */
.result-content {
    color: var(--pst-color-text-base);
    font-family: var(--pst-font-family-base);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.result-content p {
    margin: 0 0 0.75rem 0;
}

.result-content p:last-child {
    margin-bottom: 0;
}

/* Matching Sections */
.matching-sections {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--pst-color-on-surface);
}

.matching-sections h4 {
    color: var(--pst-color-heading);
    font-family: var(--pst-font-family-heading);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.75rem 0;
}

.section-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.section-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    background-color: var(--pst-color-background);
    border: 1px solid var(--pst-color-on-surface);
    border-radius: 0.25rem;
    font-size: 0.875rem;
    color: var(--pst-color-text-base);
    text-decoration: none;
    transition: all 0.15s ease-in-out;
    font-family: var(--pst-font-family-base);
}

.section-link:hover {
    background-color: var(--nv-color-green);
    border-color: var(--nv-color-green);
    color: white;
    text-decoration: none;
    transform: translateY(-0.0625rem);
    box-shadow: 0 0.25rem 0.5rem rgba(118, 185, 0, 0.25);
}

.section-link::before {
    content: "§";
    font-weight: 700;
    opacity: 0.7;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--pst-color-text-muted);
    font-family: var(--pst-font-family-base);
}

.no-results h3 {
    color: var(--pst-color-heading);
    font-family: var(--pst-font-family-heading);
    font-weight: var(--pst-font-weight-heading);
    font-size: var(--pst-font-size-h3);
    margin: 0 0 1rem 0;
}

.no-results p {
    font-size: 1.125rem;
    line-height: 1.6;
    margin: 0;
}

/* Error States */
.error-message {
    background-color: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 1rem 0;
    color: #dc2626;
    font-family: var(--pst-font-family-base);
}

html[data-theme="dark"] .error-message {
    background-color: #1f1f1f;
    border-color: #dc2626;
    color: #fca5a5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .search-result {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .result-header {
        gap: 0.75rem;
    }
    
    .section-icon {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
    
    .result-title {
        font-size: 1.125rem;
    }
    
    .result-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .section-links {
        gap: 0.375rem;
    }
    
    .section-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.8125rem;
    }
    
    .rag-analysis-card {
        padding: 1rem;
    }
}

/* Dark mode specific adjustments */
html[data-theme="dark"] .search-result {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
}

html[data-theme="dark"] .search-result:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.4);
}

html[data-theme="dark"] .rag-analysis-card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
}

html[data-theme="dark"] .rag-analysis-card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.4);
}

/* Print styles */
@media print {
    .search-result {
        break-inside: avoid;
        border: 1px solid #ccc;
        box-shadow: none;
    }
    
    .section-icon {
        background: #f0f0f0 !important;
        color: #333 !important;
    }
    
    .rag-analysis-card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}