/* 佈局樣式 - Layout Styles */

/* 標題區域 */
header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: white;
    position: relative;
    overflow: hidden;
}

/* 深色模式下的header適配 */
@media (prefers-color-scheme: dark) {
    header {
        color: var(--text-primary);
    }
    
    header h1 {
        text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    }
    
    .subtitle {
        border: 1px solid rgba(255, 255, 255, 0.2);
        background: rgba(0, 0, 0, 0.3);
        text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    }
}

/* 手動淺色模式下的header適配 */
[data-theme="light"] header {
    color: var(--text-primary);
}

[data-theme="light"] header h1 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

[data-theme="light"] .subtitle {
    border: 1px solid rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.3);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    color: var(--text-primary);
}

/* 手動深色模式下的header適配 */
[data-theme="dark"] header {
    color: var(--text-primary);
}

[data-theme="dark"] header h1 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

[data-theme="dark"] .subtitle {
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
}

header h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    display: inline-block;
    margin: var(--spacing-sm) 0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.header-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.1;
    border-radius: var(--radius-xl);
    z-index: 1;
    transition: background-image 0.5s ease;
}

.header-content {
    position: relative;
    z-index: 2;
}

/* 搜索區域 */
.search-section {
    background: var(--background-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* 深色模式下的搜索區域適配 */
@media (prefers-color-scheme: dark) {
    .search-section {
        background: var(--background-dark);
        border: 1px solid var(--border-color);
    }
}

[data-theme="dark"] .search-section {
    background: var(--background-dark);
    border: 1px solid var(--border-color);
}

[data-theme="light"] .search-section {
    background: var(--background-white);
    border: none;
}

.input-group {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

.quick-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* 手動淺色模式下的搜索區域適配 */
[data-theme="light"] .search-section {
    background: var(--background-white);
    box-shadow: var(--shadow-lg);
}

[data-theme="light"] .results {
    background: var(--background-white);
    box-shadow: var(--shadow-lg);
}

/* 手動深色模式下的搜索區域適配 */
[data-theme="dark"] .search-section {
    background: var(--background-dark);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .results {
    background: var(--background-dark);
    border: 1px solid var(--border-color);
}

/* 結果區域 */
.results {
    background: var(--background-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
}

.result-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.result-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
}

/* 信息網格 */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: var(--spacing-md);
}

/* 詳細信息區域 */
.additional-info {
    margin-top: var(--spacing-lg);
}

.info-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

/* 頁腳 */
footer {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(135deg, 
        rgba(74, 144, 226, 0.15) 0%, 
        rgba(80, 227, 194, 0.15) 50%,
        rgba(255, 107, 107, 0.1) 100%);
    color: var(--text-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl) auto;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: rgba(255,255,255,0.95);
}

.footer-section p {
    line-height: 1.6;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    padding: var(--spacing-xs) 0;
    opacity: 0.9;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-section li:last-child {
    border-bottom: none;
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.keyword {
    background: rgba(255,255,255,0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.keyword:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.2);
}

.footer-bottom p {
    margin: var(--spacing-xs) 0;
    opacity: 0.8;
}

.disclaimer {
    font-size: 0.9rem;
    opacity: 0.7 !important;
}

/* 隱藏的 SEO 內容 */
.seo-content {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* 屏幕閱讀器專用標籤 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 深色模式下的 footer 適配 */
@media (prefers-color-scheme: dark) {
    footer {
        background: linear-gradient(135deg, 
            rgba(var(--primary-color-rgb), 0.2) 0%, 
            rgba(var(--primary-color-rgb), 0.15) 50%,
            rgba(var(--primary-color-rgb), 0.1) 100%),
            var(--background-dark);
        color: var(--text-primary);
    }
    
    footer .footer-section h3,
    footer .footer-section h4 {
        color: var(--text-primary);
    }
    
    footer .keyword {
        background: rgba(var(--primary-color-rgb), 0.2);
        color: var(--text-primary);
    }
    
    footer .keyword:hover {
        background: rgba(var(--primary-color-rgb), 0.3);
    }
}

[data-theme="dark"] footer {
    background: linear-gradient(135deg, 
        rgba(var(--primary-color-rgb), 0.2) 0%, 
        rgba(var(--primary-color-rgb), 0.15) 50%,
        rgba(var(--primary-color-rgb), 0.1) 100%),
        var(--background-dark);
    color: var(--text-primary);
}

[data-theme="dark"] footer .footer-section h3,
[data-theme="dark"] footer .footer-section h4 {
    color: var(--text-primary);
}

[data-theme="dark"] footer .keyword {
    background: rgba(var(--primary-color-rgb), 0.2);
    color: var(--text-primary);
}

[data-theme="dark"] footer .keyword:hover {
    background: rgba(var(--primary-color-rgb), 0.3);
}

[data-theme="light"] footer {
    background: linear-gradient(135deg, 
        rgba(var(--primary-color-rgb), 0.15) 0%, 
        rgba(var(--primary-color-rgb), 0.1) 50%,
        rgba(255, 107, 107, 0.1) 100%);
}

/* 響應式設計 */
@media (max-width: 768px) {
    footer {
        padding: 1.5rem 1rem 1rem;
        margin-top: 1.5rem;
        border-radius: 1.2rem 1.2rem 0 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .footer-section {
        padding: 1rem;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 1rem;
        backdrop-filter: blur(5px);
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    
    .footer-section h4 {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }
    
    .footer-section p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    .footer-section ul li {
        font-size: 0.8rem;
        padding: 0.25rem 0;
    }
    
    .keywords {
        gap: 0.25rem;
        justify-content: center;
    }
    
    .keyword {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }
}