/* ===== 搜尋自動完成樣式 ===== */

/* 建議容器 */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 0.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.search-suggestions.show {
    opacity: 1;
    transform: translateY(0);
}

/* 滾動條樣式 */
.search-suggestions::-webkit-scrollbar {
    width: 8px;
}

.search-suggestions::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 0 12px 12px 0;
}

.search-suggestions::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

.search-suggestions::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

/* 建議項目 */
.suggestion-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: #333;
    transition: all 0.2s ease;
    cursor: pointer;
}

.suggestion-item:first-child {
    border-radius: 12px 12px 0 0;
}

.suggestion-item:last-child {
    border-bottom: none;
    border-radius: 0 0 12px 12px;
}

.suggestion-item:hover,
.suggestion-item.active {
    background: linear-gradient(135deg, #f0f3ff 0%, #e8f4fd 100%);
}

/* 建議圖示 */
.suggestion-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

/* 建議內容 */
.suggestion-content {
    flex: 1;
    min-width: 0;
}

.suggestion-text {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.suggestion-text mark {
    background-color: #ffeb3b;
    color: #000;
    padding: 0.1rem 0.2rem;
    border-radius: 2px;
    font-weight: 700;
}

.suggestion-type {
    font-size: 0.85rem;
    color: #667eea;
    font-weight: 600;
}

/* 載入狀態 */
.suggestion-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f0f0f0;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.suggestion-loading span {
    color: #667eea;
    font-weight: 600;
}

/* 無結果狀態 */
.suggestion-no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.no-results-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.suggestion-no-results p {
    color: #666;
    margin: 0 0 1rem 0;
    font-size: 1rem;
}

.btn-advanced-search {
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-advanced-search:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* 搜尋框容器 */
.search-form {
    position: relative;
}

/* 增強搜尋框樣式 */
.search-input[data-autocomplete="true"] {
    padding-right: 3rem;
}

/* 搜尋清除按鈕 */
.search-clear-btn {
    position: absolute;
    right: 3.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    transition: color 0.3s ease;
    display: none;
}

.search-clear-btn.show {
    display: block;
}

.search-clear-btn:hover {
    color: #667eea;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .search-suggestions {
        max-height: 300px;
    }

    .suggestion-item {
        padding: 0.75rem;
    }

    .suggestion-icon {
        font-size: 1.3rem;
        margin-right: 0.75rem;
    }

    .suggestion-text {
        font-size: 0.95rem;
    }

    .suggestion-type {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .search-suggestions {
        margin-top: 0.3rem;
        border-radius: 8px;
        max-height: 250px;
    }

    .suggestion-item {
        padding: 0.6rem;
    }

    .suggestion-icon {
        font-size: 1.2rem;
        margin-right: 0.5rem;
    }

    .suggestion-text {
        font-size: 0.9rem;
    }

    .no-results-icon {
        font-size: 2.5rem;
    }
}

/* 搜尋框聚焦效果增強 */
.search-input[data-autocomplete="true"]:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* 鍵盤導航指示器 */
.suggestion-item.active::before {
    content: '▶';
    position: absolute;
    left: 0.5rem;
    color: #667eea;
    font-size: 0.8rem;
}

/* 動畫效果 */
.suggestion-item {
    animation: slideIn 0.2s ease;
}

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

/* 高級搜尋連結 */
.search-suggestions-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid #f0f0f0;
    background: #fafafa;
    border-radius: 0 0 12px 12px;
}

.advanced-search-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.advanced-search-link:hover {
    color: #764ba2;
}

.advanced-search-link::after {
    content: '→';
    margin-left: 0.5rem;
}