/* ============================================
   ADVANCED SEARCH - GLOBAL NAVIGATION SEARCH
   ============================================ */

/* Search Wrapper */
.search-wrapper {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

/* Navbar Search Integration */
.navbar .search-wrapper {
    max-width: 400px;
    margin-left: var(--space-4);
    flex: 1;
}

/* Search Container */
.search-container {
    position: relative;
    z-index: 100;
}

/* Search Input */
.search-input {
    width: 100%;
    padding: var(--space-3) var(--space-12) var(--space-3) var(--space-4);
    background: var(--color-bg-medium);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--text-base);
    transition: var(--transition-all);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-input:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
    background: var(--color-bg-light);
}

/* Search Icon */
.search-icon {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-all);
}

.search-input:focus ~ .search-icon {
    color: var(--color-primary);
}

/* Clear Button */
.search-clear {
    position: absolute;
    right: var(--space-10);
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: var(--color-text-muted);
    border: none;
    border-radius: 50%;
    color: var(--color-bg-dark);
    font-size: 14px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: var(--transition-all);
    opacity: 0.7;
}

.search-clear:hover {
    opacity: 1;
    background: var(--color-error);
    transform: translateY(-50%) scale(1.1);
}

.search-input:not(:placeholder-shown) ~ .search-clear {
    display: flex;
}

/* Loading Spinner */
.search-loading {
    position: absolute;
    right: var(--space-10);
    top: 50%;
    transform: translateY(-50%);
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border-medium);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.search-container.loading .search-loading {
    display: block;
}

.search-container.loading .search-clear,
.search-container.loading .search-icon {
    display: none;
}

@keyframes spin {
    to { transform: translateY(-50%) rotate(360deg); }
}

/* ============================================
   SEARCH RESULTS DROPDOWN
   ============================================ */

.search-results {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 0;
    right: 0;
    max-height: 600px;
    background: var(--color-bg-medium);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl), var(--shadow-glow-primary);
    overflow-y: auto;
    display: none;
    z-index: 1000;
}

.search-results.active {
    display: block;
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Custom Scrollbar */
.search-results::-webkit-scrollbar {
    width: 8px;
}

.search-results::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
    border-radius: var(--radius-base);
}

.search-results::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-base);
}

/* Results Header */
.search-results-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-bg-dark);
}

.search-results-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.search-results-count {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: var(--font-bold);
}

/* Results Category */
.search-category {
    padding: var(--space-4) var(--space-6) var(--space-2);
}

.search-category-title {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.search-category-icon {
    font-size: 14px;
}

/* Result Item */
.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-6);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: var(--transition-all);
    border-left: 3px solid transparent;
    cursor: pointer;
}

.search-result-item:hover,
.search-result-item.active {
    background: var(--color-bg-light);
    border-left-color: var(--color-primary);
}

.search-result-item.active {
    box-shadow: inset 0 0 0 2px var(--color-primary);
}

/* Result Icon */
.search-result-icon {
    width: 40px;
    height: 40px;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.search-result-item:hover .search-result-icon {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
}

/* Result Content */
.search-result-content {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text-heading);
    margin-bottom: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.search-result-match {
    background: var(--color-primary);
    color: #000;
    padding: 0 2px;
    border-radius: 2px;
}

.search-result-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Result Meta */
.search-result-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    flex-shrink: 0;
}

/* Keyboard Shortcut Badge */
.search-shortcut {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* No Results */
.search-no-results {
    padding: var(--space-12) var(--space-6);
    text-align: center;
}

.search-no-results-icon {
    font-size: 64px;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.search-no-results-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    color: var(--color-text-heading);
    margin-bottom: var(--space-2);
}

.search-no-results-text {
    color: var(--color-text-secondary);
}

/* Search Footer */
.search-results-footer {
    padding: var(--space-3) var(--space-6);
    border-top: 1px solid var(--color-border-subtle);
    background: var(--color-bg-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-footer-shortcuts {
    display: flex;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.search-footer-shortcut {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ============================================
   SEARCH OVERLAY (Modal Mode)
   ============================================ */

.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    overflow-y: auto;
}

.search-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

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

.search-overlay .search-wrapper {
    max-width: 800px;
    width: 100%;
}

.search-overlay .search-results {
    position: static;
    margin-top: var(--space-4);
}

/* Close Button */
.search-overlay-close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    width: 40px;
    height: 40px;
    background: var(--color-bg-medium);
    border: 2px solid var(--color-border-medium);
    border-radius: 50%;
    color: var(--color-text-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-all);
}

.search-overlay-close:hover {
    background: var(--color-error);
    border-color: var(--color-error);
    color: #FFF;
    transform: rotate(90deg);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .navbar .search-wrapper {
        position: fixed;
        top: 60px;
        left: var(--space-4);
        right: var(--space-4);
        max-width: none;
        z-index: 999;
    }

    .search-results {
        max-height: calc(100vh - 140px);
    }

    .search-result-item {
        padding: var(--space-3) var(--space-4);
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .search-result-meta {
        width: 100%;
        justify-content: space-between;
    }

    .search-footer-shortcuts {
        display: none;
    }
}

/* ============================================
   THEME INTEGRATION
   ============================================ */

[data-theme="light"] .search-input {
    background: #F5F5F5;
    border-color: #E0E0E0;
}

[data-theme="light"] .search-input:focus {
    background: #FFFFFF;
}

[data-theme="light"] .search-results {
    background: #FFFFFF;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .search-result-item:hover {
    background: #F5F5F5;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.search-input:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.search-result-item:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .search-input,
    .search-results,
    .search-result-item {
        border-width: 2px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .search-results,
    .search-overlay,
    .search-result-item {
        animation: none !important;
        transition: none !important;
    }
}