/* AI工具網站樣式 */

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --border-color: #e2e8f0;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 60px;
    --header-height: 60px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
}

/* 側邊欄樣式 */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: white;
    border-right: 1px solid var(--border-color);
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    margin-right: 0.5rem;
    font-size: 1.5rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}

.sidebar-toggle:hover {
    background-color: var(--light-color);
}

/* 搜索區域 */
.search-section {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.search-form .input-group {
    border-radius: 0.5rem;
    overflow: hidden;
}

.search-form .form-control {
    border: 1px solid var(--border-color);
    border-right: none;
    padding: 0.75rem;
}

.search-form .btn {
    border: 1px solid var(--primary-color);
    background-color: var(--primary-color);
    padding: 0.75rem 1rem;
}

/* 快速搜索 */
.quick-search {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.quick-search h6 {
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.search-engines {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.search-engine {
    display: flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    background-color: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    text-decoration: none;
    color: var(--dark-color);
    font-size: 0.875rem;
    transition: all 0.2s;
}

.search-engine:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.search-engine i {
    margin-right: 0.375rem;
}

/* 分類導航 */
.categories-section {
    padding: 1rem;
}

.categories-section h6 {
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.category-list {
    list-style: none;
}

.category-link {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    color: var(--dark-color);
    text-decoration: none;
    border-radius: 0.5rem;
    margin-bottom: 0.25rem;
    transition: all 0.2s;
}

.category-link:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

.category-link.active {
    background-color: var(--primary-color);
    color: white;
}

.category-link i {
    margin-right: 0.75rem;
    width: 1.25rem;
    text-align: center;
}

/* 主內容區域 */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* 頂部導航 */
.top-nav {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
}

.nav-stats {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

/* 內容區域 */
.content-area {
    padding: 2rem 1.5rem;
}

/* 區塊標題 */
.content-area h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
}

.content-area h2 i {
    margin-right: 0.75rem;
    color: var(--primary-color);
}

/* 工具卡片 */
.tool-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.tool-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.tool-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    position: relative;
}

.tool-logo {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    object-fit: cover;
    margin-right: 0.75rem;
    border: 1px solid var(--border-color);
}

.tool-logo-placeholder {
    width: 48px;
    height: 48px;
    background: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.tool-info h5, .tool-info h6 {
    margin: 0;
    font-weight: 600;
    color: var(--dark-color);
    line-height: 1.3;
}

.tool-info h5 {
    font-size: 1.125rem;
}

.tool-info h6 {
    font-size: 1rem;
}

.category-badge {
    display: inline-block;
    background-color: var(--light-color);
    color: var(--secondary-color);
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

.new-badge {
    position: absolute;
    top: -0.5rem;
    right: -0.5rem;
    background-color: var(--danger-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.tool-description {
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.tool-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.pricing-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-free {
    background-color: #dcfce7;
    color: #166534;
}

.pricing-freemium {
    background-color: #fef3c7;
    color: #92400e;
}

.pricing-paid {
    background-color: #fee2e2;
    color: #991b1b;
}

/* 空狀態 */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--secondary-color);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

/* 快訊列表 */
.news-list {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
}

.news-item {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.news-item:last-child {
    border-bottom: none;
}

.news-content h6 {
    margin-bottom: 0.5rem;
}

.news-content h6 a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 600;
}

.news-content h6 a:hover {
    color: var(--primary-color);
}

.news-content p {
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

/* 遮罩層 */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

/* 響應式設計 */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 767.98px) {
    .content-area {
        padding: 1rem;
    }
    
    .top-nav {
        padding: 1rem;
    }
    
    .tool-card {
        padding: 1rem;
    }
    
    .search-engines {
        flex-direction: column;
    }
    
    .search-engine {
        justify-content: center;
    }
}

/* 分頁樣式 */
.pagination {
    margin-top: 2rem;
}

.page-link {
    color: var(--primary-color);
    border-color: var(--border-color);
}

.page-link:hover {
    color: white;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 動畫效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tool-card {
    animation: fadeInUp 0.5s ease-out;
}

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

.sidebar::-webkit-scrollbar-track {
    background: var(--light-color);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}