/**
 * Semantic Search Styles
 */

.aidb-semantic-search {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Search Form */
.aidb-semantic-search-form {
    margin-bottom: 20px;
}

.aidb-semantic-search-input-wrapper {
    display: flex;
    align-items: center;
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 8px 12px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.aidb-semantic-search-input-wrapper:focus-within {
    border-color: #1a1a2e;
    box-shadow: 0 0 0 3px rgba(26, 26, 46, 0.1);
}

.aidb-semantic-search-icon {
    font-size: 18px;
    margin-right: 10px;
    opacity: 0.6;
}

.aidb-semantic-search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    padding: 8px 0;
    background: transparent;
}

.aidb-semantic-search-input::placeholder {
    color: #999;
}

.aidb-semantic-search-btn {
    background: #1a1a2e;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.aidb-semantic-search-btn:hover {
    background: #2d2d4a;
}

.aidb-semantic-search-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Filters */
.aidb-semantic-search-filters {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    padding-left: 40px;
}

.aidb-semantic-search-filters label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #666;
    cursor: pointer;
}

.aidb-semantic-search-filters input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

/* Example Queries */
.aidb-semantic-search-examples {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 0 4px;
}

.aidb-semantic-search-examples-label {
    font-size: 13px;
    color: #888;
    margin-right: 4px;
}

.aidb-semantic-search-example {
    display: inline-block;
    padding: 6px 12px;
    font-size: 13px;
    color: #555;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.aidb-semantic-search-example:hover {
    background: #f0f0f5;
    border-color: #1a1a2e;
    color: #1a1a2e;
}

.aidb-semantic-search-example:active {
    background: #e5e5eb;
    transform: scale(0.98);
}

/* Status */
.aidb-semantic-search-status {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 14px;
}

.aidb-semantic-search-status.loading::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #1a1a2e;
    border-top-color: transparent;
    border-radius: 50%;
    margin-right: 8px;
    animation: aidb-spin 0.8s linear infinite;
    vertical-align: middle;
}

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

/* Results */
.aidb-semantic-search-results-header {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 16px;
}

.aidb-semantic-search-results-count {
    font-size: 14px;
    color: #666;
}

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

/* Result Item */
.aidb-semantic-search-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.aidb-semantic-search-item:hover {
    border-color: #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.aidb-semantic-search-item-thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    background: #f5f5f5;
}

.aidb-semantic-search-item-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.aidb-semantic-search-item-content {
    flex: 1;
    min-width: 0;
}

.aidb-semantic-search-item-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px;
}

.aidb-semantic-search-item-type {
    flex-shrink: 0;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

.aidb-semantic-search-item-type.type-post {
    background: #e3f2fd;
    color: #1565c0;
}

.aidb-semantic-search-item-type.type-paper {
    background: #fce4ec;
    color: #c2185b;
}

.aidb-semantic-search-item-type.type-brief {
    background: #e8f5e9;
    color: #2e7d32;
}

.aidb-semantic-search-item-title {
    flex: 1;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.aidb-semantic-search-item-title a {
    color: #333;
    text-decoration: none;
}

.aidb-semantic-search-item-title a:hover {
    color: #4a90d9;
}

.aidb-semantic-search-item-score {
    flex-shrink: 0;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 600;
    color: #4a90d9;
    background: rgba(74, 144, 217, 0.1);
    border-radius: 4px;
}

.aidb-semantic-search-item-excerpt {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
}

.aidb-semantic-search-item-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: #999;
}

.aidb-semantic-search-item-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.aidb-semantic-search-item-keyword {
    padding: 2px 8px;
    font-size: 11px;
    background: #f5f5f5;
    border-radius: 3px;
    color: #666;
}

/* No Results */
.aidb-semantic-search-no-results {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.aidb-semantic-search-no-results-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Compact/Sidebar Layout */
.aidb-semantic-search-compact,
.widget .aidb-semantic-search,
.sidebar .aidb-semantic-search {
    padding: 0;
    max-width: 100%;
}

.aidb-semantic-search-compact .aidb-semantic-search-form,
.widget .aidb-semantic-search .aidb-semantic-search-form,
.sidebar .aidb-semantic-search .aidb-semantic-search-form {
    margin-bottom: 12px;
}

.aidb-semantic-search-compact .aidb-semantic-search-input-wrapper,
.widget .aidb-semantic-search .aidb-semantic-search-input-wrapper,
.sidebar .aidb-semantic-search .aidb-semantic-search-input-wrapper {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    border: none;
    background: transparent;
}

.aidb-semantic-search-compact .aidb-semantic-search-input-wrapper:focus-within,
.widget .aidb-semantic-search .aidb-semantic-search-input-wrapper:focus-within,
.sidebar .aidb-semantic-search .aidb-semantic-search-input-wrapper:focus-within {
    box-shadow: none;
}

.aidb-semantic-search-compact .aidb-semantic-search-icon,
.widget .aidb-semantic-search .aidb-semantic-search-icon,
.sidebar .aidb-semantic-search .aidb-semantic-search-icon {
    display: none;
}

.aidb-semantic-search-compact .aidb-semantic-search-input,
.widget .aidb-semantic-search .aidb-semantic-search-input,
.sidebar .aidb-semantic-search .aidb-semantic-search-input {
    width: 100%;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 14px;
    margin-bottom: 8px;
    box-sizing: border-box;
}

.aidb-semantic-search-compact .aidb-semantic-search-input:focus,
.widget .aidb-semantic-search .aidb-semantic-search-input:focus,
.sidebar .aidb-semantic-search .aidb-semantic-search-input:focus {
    border-color: #1a1a2e;
    outline: none;
}

.aidb-semantic-search-compact .aidb-semantic-search-btn,
.widget .aidb-semantic-search .aidb-semantic-search-btn,
.sidebar .aidb-semantic-search .aidb-semantic-search-btn {
    width: 100%;
    padding: 10px 16px;
}

.aidb-semantic-search-compact .aidb-semantic-search-examples,
.widget .aidb-semantic-search .aidb-semantic-search-examples,
.sidebar .aidb-semantic-search .aidb-semantic-search-examples {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin-top: 12px;
    padding: 0;
}

.aidb-semantic-search-compact .aidb-semantic-search-examples-label,
.widget .aidb-semantic-search .aidb-semantic-search-examples-label,
.sidebar .aidb-semantic-search .aidb-semantic-search-examples-label {
    margin-bottom: 4px;
}

.aidb-semantic-search-compact .aidb-semantic-search-example,
.widget .aidb-semantic-search .aidb-semantic-search-example,
.sidebar .aidb-semantic-search .aidb-semantic-search-example {
    width: 100%;
    text-align: left;
    padding: 8px 12px;
    font-size: 12px;
    white-space: normal;
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 600px) {
    .aidb-semantic-search {
        padding: 16px;
    }

    .aidb-semantic-search-input-wrapper {
        flex-wrap: wrap;
    }

    .aidb-semantic-search-input {
        width: 100%;
    }

    .aidb-semantic-search-btn {
        width: 100%;
        margin-top: 8px;
    }

    .aidb-semantic-search-item {
        flex-direction: column;
    }

    .aidb-semantic-search-item-thumbnail {
        width: 100%;
        height: 160px;
    }

    .aidb-semantic-search-filters {
        flex-wrap: wrap;
        padding-left: 0;
    }

    .aidb-semantic-search-examples {
        flex-direction: column;
        align-items: flex-start;
    }

    .aidb-semantic-search-example {
        width: 100%;
        text-align: left;
    }
}