/* ============================================
   SEARCH TAB STYLES
   ============================================ */

/* ---------- HEADER ---------- */
.search-tab-header {
    margin-bottom: 32px;
    width: 100%;
    text-align: center;
    transition: opacity 0.3s ease, margin 0.3s ease;
}

.search-tab-header.fade-out {
    opacity: 0;
    margin-bottom: 0;
    height: 0;
    overflow: hidden;
}

.search-tab-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.search-tab-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ---------- SEARCH BOX ---------- */
.search-tab-box {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto 32px auto;
    width: 100%;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: .5rem;
    padding: 14px 20px;
    transition: all 0.3s ease;
}

.search-tab-box.focused {
    max-width: 100%;
    border-radius: .5rem;
    margin-bottom: 16px;
}

.search-tab-icon {
    font-size: 2rem;    color: var(--text-tertiary);
    flex-shrink: 0;
}

.search-tab-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-family: 'Poppins', sans-serif;
    min-width: 0;
}

.search-tab-input:focus {
    border: none;
    outline: none;
}

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

.search-tab-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: var(--bg-hover);
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.search-tab-clear:hover {
    background: var(--bg-active);
    color: var(--text-primary);
}

.search-tab-clear .material-icons-round {
    font-size: 1.5rem;    pointer-events: none;
}

/* ---------- FILTER BUTTONS ---------- */
.search-filters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    transition: opacity 0.3s ease, margin 0.3s ease;
}

.search-filters.fade-out {
    opacity: 0;
    margin-bottom: 0;
    height: 0;
    overflow: hidden;
}

.search-filter-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: .5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    font-family: 'Poppins', sans-serif;
    transition: all var(--transition-fast);
}

.search-filter-btn:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.search-filter-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
}

.search-filter-btn .material-icons-round {
    font-size: 1.625rem;    pointer-events: none;
}

.search-filter-label {
    pointer-events: none;
}

/* ---------- RESULTS HEADER ---------- */
.search-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    width: 100%;
}

.search-results-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.search-results-count {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ---------- RESULTS LIST ---------- */
.search-results-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    width: 100%;
}

/* Result tile */
.search-result-tile {
    display: flex;
    align-items: center;
    gap: .1rem;
    padding: 12px 4px;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--divider-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
    max-width: 91svw;
}

.search-result-tile:hover {
    background: var(--bg-surface-light);
}

.search-result-tile:active {
    background: var(--bg-hover);
}

.search-result-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 8px;
    flex-shrink: 0;
    margin-right: .2rem;
}

.search-result-icon .material-icons-round {
    font-size: 1.875rem;    color: #ffffff;
}

.search-result-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.search-result-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

.search-result-subtitle {
    font-size: 0.78rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    flex-wrap: wrap;
}

.search-result-meta .meta-divider {
    width: 3px;
    height: 3px;
    background: var(--text-tertiary);
    border-radius: 50%;
    flex-shrink: 0;
}

.search-result-type {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.search-result-type.quiz {
    background: var(--accent-light);
    color: var(--accent-color);
}

.search-result-type.material {
    background: rgba(33, 150, 243, 0.15);
    color: #2196f3;
}

/* ---------- LOADING STATE ---------- */
.search-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 48px;
    color: var(--text-secondary);
}

.search-loading .material-icons-round {
    font-size: 3.5rem;    color: var(--accent-color);
    animation: pulse 1.5s ease infinite;
}

/* ---------- NO RESULTS STATE ---------- */
.search-no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 48px;
    color: var(--text-secondary);
    text-align: center;
}

.search-no-results .material-icons-round {
    font-size: 3.5rem;    color: var(--text-disabled);
}

/* ---------- DESKTOP RESPONSIVE ---------- */
@media (min-width: 711px) {
    .search-results-list {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
        gap: 0 16px;
    }
    
    .search-result-tile {
        border-bottom: 1px solid var(--divider-color);
    }
}

/* ---------- MOBILE RESPONSIVE ---------- */
@media (max-width: 710px) {
    .search-tab-title {
        font-size: 1.5rem;
    }
    
    .search-tab-box {
        padding: 10px 14px;
        margin-bottom: 20px;
    }
    
    .search-tab-box.focused {
        padding: 10px 14px;
        margin-bottom: 8px;
    }
    
    .search-tab-input {
        font-size: 1.05rem;
    }
    
    .search-filters {
        gap: 8px;
        margin-bottom: 20px;
    }
    
    .search-filter-btn {
        padding: 8px 16px;
        font-size: 1rem;
        flex: 1;
        justify-content: center;
    }
    
    .search-results-list {
        grid-template-columns: 1fr;
    }
    
    .search-result-tile {
        gap: 10px;
        padding: 10px 2px;
    }
    
    .search-result-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
    }
    
    .search-result-icon .material-icons-round {
        font-size: 1.65rem;    }
    
    .search-result-title {
        font-size: 1.05rem;
    }
    
    .search-result-subtitle {
        font-size: .95rem;
    }
    
    .search-result-meta {
        font-size: 0.85rem;
    }
    
    .search-result-type {
        font-size: 0.8rem;
        padding: 2px 6px;
    }
}

/* Thumbnail mode — image fills the tile, icon hidden */
.search-result-icon.has-thumbnail {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.search-result-icon.has-thumbnail .material-icons-round {
    display: none;
}