/* Global Search Styles */
.global-search-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 1000;
}

.global-search-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.global-search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.global-search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.global-search-overlay.hidden {
    display: none;
}

.global-search-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.global-search-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

#globalSearchInput {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 25px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s ease;
    background: white;
}

#globalSearchInput:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-close-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: #ff6b6b;
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-close-btn:hover {
    background: #ff5252;
    transform: scale(1.1);
}

.search-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
}

.status-indicator {
    font-size: 12px;
}

.status-text {
    font-weight: 500;
}

.global-search-results {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    max-height: 60vh;
}

.search-placeholder {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.search-icon {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.search-loading {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.search-no-results {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.no-results-icon {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.search-error {
    text-align: center;
    padding: 60px 20px;
    color: #ff6b6b;
}

.error-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.search-results-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.search-results-header h3 {
    margin: 0;
    color: #333;
    font-size: 18px;
    font-weight: 600;
}

.search-section {
    margin-bottom: 30px;
}

.section-title {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.section-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    border: 1px solid #e1e5e9;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.search-item:hover {
    border-color: #667eea;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.item-icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 10px;
    flex-shrink: 0;
}

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

.item-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-score {
    font-size: 12px;
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.item-description {
    font-size: 14px;
    color: #666;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
}

.item-category,
.item-tags,
.item-source,
.item-date,
.item-complexity {
    background: #f8f9fa;
    color: #666;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.item-category {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

/* 特定類型項目的樣式 */
.portal-item .item-icon {
    background: rgba(102, 126, 234, 0.1);
}

.news-item .item-icon {
    background: rgba(255, 107, 107, 0.1);
}

.ai-tool-item .item-icon {
    background: rgba(255, 193, 7, 0.1);
}

.model-item .item-icon {
    background: rgba(76, 175, 80, 0.1);
}

.mcp-server-item .item-icon {
    background: rgba(156, 39, 176, 0.1);
}

/* 更新通知樣式 */
.search-update-notification {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: slideInRight 0.3s ease;
    z-index: 1002;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 響應式設計 */
@media (max-width: 768px) {
    .global-search-container {
        width: 95%;
        max-height: 90vh;
    }
    
    .global-search-header {
        padding: 15px;
    }
    
    #globalSearchInput {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .global-search-results {
        padding: 15px;
        max-height: 70vh;
    }
    
    .search-item {
        padding: 12px;
        gap: 12px;
    }
    
    .item-icon {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
    
    .item-title {
        font-size: 15px;
    }
    
    .item-description {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .global-search-btn {
        top: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .search-input-wrapper {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-close-btn {
        align-self: flex-end;
    }
    
    .search-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .item-icon {
        align-self: flex-start;
    }
}

/* 滾動條樣式 */
.global-search-results::-webkit-scrollbar {
    width: 6px;
}

.global-search-results::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.global-search-results::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.global-search-results::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 動畫效果 */
.search-item {
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 高亮搜索詞 */
.search-highlight {
    background: rgba(255, 193, 7, 0.3);
    padding: 1px 2px;
    border-radius: 2px;
    font-weight: 600;
}

/* 狀態指示器動畫 */
.status-indicator {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

/* 加載狀態 */
.status-indicator.loading {
    animation: spin 1s linear infinite;
}

/* 錯誤狀態 */
.status-indicator.error {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}