/* Web3.0 风格样式 - 奇书工具导航 */

/* 导入现代字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS变量定义 */
:root {
    --primary-color: #2545C1;
    --secondary-color: #F6F8FF;
    --primary-hover: #1e3a9a;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--secondary-color);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a9a 100%);
    color: white;
    padding: 16px 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    color: white;
}

.logo-text h1 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 2px;
}

.logo-text h1 a {
    color: white;
    text-decoration: none;
}

.logo-text p {
    font-size: 12px;
    opacity: 0.9;
    font-weight: 400;
}

/* 搜索框样式 */
.search-form {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: none;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.95);
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.search-input:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 69, 193, 0.1);
}

.search-button {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 16px;
    cursor: pointer;
}

/* 主要内容区域 */
main {
    padding: 24px 0;
}

/* 分类区域样式 */
.category-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.category-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--secondary-color);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.category-item {
    display: block;
    padding: 12px 8px;
    text-align: center;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background: white;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    font-size: 13px;
}

.category-item:hover {
    border-color: var(--primary-color);
    background: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.category-name {
    font-weight: 600;
    margin-bottom: 4px;
}

.category-count {
    font-size: 11px;
    opacity: 0.7;
}

/* 资源列表区域 */
.resource-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.resource-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--secondary-color);
}

.resource-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 表格样式 */
.resource-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.resource-table th {
    background: var(--secondary-color);
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.resource-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: middle;
}

.resource-table tr:hover {
    background: var(--secondary-color);
}

.resource-name {
    font-weight: 500;
    color: var(--text-primary);
}

.resource-category {
    display: inline-block;
    padding: 4px 8px;
    background: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}

.resource-scope {
    color: var(--text-secondary);
    font-size: 12px;
}

.resource-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.resource-link:hover {
    color: var(--primary-hover);
}

.resource-tutorial {
    color: #059669;
    text-decoration: none;
    font-weight: 500;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.resource-tutorial:hover {
    color: #047857;
}

/* 搜索表单样式 */
.search-form-inline {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-input-inline {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 13px;
    width: 240px;
    transition: var(--transition);
}

.search-input-inline:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 69, 193, 0.1);
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background: #4b5563;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 12px;
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    gap: 4px;
}

.pagination-link {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}

.pagination-link:hover {
    background: var(--secondary-color);
    border-color: var(--primary-color);
}

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

.pagination-ellipsis {
    padding: 6px 10px;
    color: var(--text-light);
    font-size: 12px;
}

/* 广告区域样式 */
.ad-section {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    margin-bottom: 20px;
}

.ad-section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* 页脚样式 */
footer {
    background: #1f2937;
    color: white;
    padding: 24px 0;
    margin-top: 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.footer-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.footer-info p {
    font-size: 12px;
    color: #9ca3af;
}

.footer-link {
    color: #60a5fa;
    text-decoration: none;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.footer-link:hover {
    color: #93c5fd;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
    }
    
    .search-form {
        max-width: 100%;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 8px;
    }
    
    .resource-header {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .search-form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-input-inline {
        width: 100%;
    }
    
    .pagination {
        flex-direction: column;
        gap: 12px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-color);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* 焦点样式 */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 加载状态 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 13px;
}

/* 管理页面专用样式 */
.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px;
}

.admin-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a9a 100%);
    color: white;
    padding: 16px 0;
    box-shadow: var(--shadow-lg);
}

.admin-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.admin-logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-logo-icon {
    font-size: 28px;
    color: white;
}

.admin-logo-text h1 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 2px;
}

.admin-logo-text p {
    font-size: 12px;
    opacity: 0.9;
    font-weight: 400;
}

.admin-nav {
    display: flex;
    gap: 16px;
    align-items: center;
}

.admin-nav-link {
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.admin-nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

.admin-nav-link.active {
    background: rgba(255, 255, 255, 0.2);
}

.admin-main {
    padding: 24px 0;
    min-height: calc(100vh - 200px);
}

.admin-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.admin-section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--secondary-color);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.admin-stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.admin-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.admin-stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.admin-stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.admin-btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.admin-btn-primary {
    background: var(--primary-color);
    color: white;
}

.admin-btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.admin-btn-success {
    background: #059669;
    color: white;
}

.admin-btn-success:hover {
    background: #047857;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.admin-btn-danger {
    background: #dc2626;
    color: white;
}

.admin-btn-danger:hover {
    background: #b91c1c;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.admin-btn-secondary {
    background: #6b7280;
    color: white;
}

.admin-btn-secondary:hover {
    background: #4b5563;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.admin-table th {
    background: var(--secondary-color);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table td {
    padding: 12px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: middle;
}

.admin-table tr:hover {
    background: var(--secondary-color);
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 600px;
}

.admin-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.admin-form-input {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.admin-form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 69, 193, 0.1);
}

.admin-form-textarea {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    resize: vertical;
    min-height: 100px;
}

.admin-form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 69, 193, 0.1);
}

.admin-message {
    padding: 12px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.admin-message i {
    font-size: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

.admin-message > div {
    flex: 1;
}

.admin-message h3 {
    font-weight: 600;
    margin-bottom: 4px;
}

.admin-message ul {
    margin-top: 8px;
    padding-left: 16px;
}

.admin-message li {
    margin-bottom: 2px;
}

.admin-message code {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

.admin-message-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.admin-message-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.admin-message-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

/* 响应式管理页面 */
@media (max-width: 768px) {
    .admin-header-content {
        flex-direction: column;
        gap: 16px;
    }
    
    .admin-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .admin-stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .admin-actions {
        flex-direction: column;
    }
    
    .admin-table {
        font-size: 12px;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 8px;
    }
}