/**
 * 字体网站样式表
 * 响应式设计，适配各种设备
 */

/* CSS变量定义 */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --transition: all 0.3s ease;
}

/* 重置样式 */
* {
    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(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 头部导航 */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #7c3aed 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo:hover {
    color: white;
}

.logo-icon {
    width: 42px;
    height: 42px;
    display: inline-block;
    vertical-align: middle;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-menu li a {
    color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* 主要内容区 */
.main-content {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

/* 页面标题 */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb-separator {
    color: var(--text-secondary);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

/* 分类网格 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

/* 分类卡片 */
.category-card {
    background: var(--card-background);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-card-image {
    height: 180px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.category-card-image::before {
    content: 'Aa';
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 700;
}

.category-card-content {
    padding: 1.25rem;
}

.category-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.category-card-count {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* 字体网格 */
.font-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

/* 字体卡片 */
.font-card {
    background: var(--card-background);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.font-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.font-card-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;background-image: url("bg.png");
}

.font-preview-image {
   width:auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
}

.font-card:hover .font-preview-image {
    transform: scale(1.05);
}

.font-preview-text {
    font-size: 2.5rem;
    color: var(--text-primary);
    text-align: center;
    line-height: 1.2;
    word-break: break-word;
}

.font-card-content {
    padding: 1.25rem;
}

.font-card-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.font-card-meta {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.font-card-extension {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    margin-left: 0.5rem;
    text-transform: uppercase;
}

/* 字体详情页面 */
.font-detail {
    background: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.font-detail-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem 2rem;
    color: white;
    text-align: center;
}

.font-detail-preview {
    font-size: 2rem;
    margin-bottom: 1rem;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-word;
}

.font-detail-title {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.font-detail-subtitle {
    opacity: 0.9;
    font-size: 1rem;
}

.font-detail-body {
    padding: 2rem;
}

.font-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.font-info-item {
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--radius-md);
}

.font-info-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.font-info-value {
    font-size: 1rem;
    color: var(--text-primary);
    word-break: break-word;
}

/* 下载按钮 */
.download-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    background: var(--primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.download-btn-icon {
    font-size: 1.25rem;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state-text {
    font-size: 1rem;
}

/* 页脚 */
.footer {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    text-align: center;
}

.footer-text {
    font-size: 0.875rem;
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0.25rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li a {
        padding: 0.75rem 1rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .category-grid,
    .font-grid {
        grid-template-columns: 1fr;
    }

    .font-detail-header {
        padding: 2rem 1rem;
    }

    .font-detail-preview {
        font-size: 2.5rem;
    }

    .font-detail-title {
        font-size: 1.5rem;
    }

    .font-detail-body {
        padding: 1.5rem 1rem;
    }

    .font-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .header-content {
        gap: 0.5rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .main-content {
        padding: 1rem 0;
    }

    .category-card-image {
        height: 140px;
    }

    .font-card-preview {
        height: 120px;
    }

    .font-preview-text {
        font-size: 2rem;
    }
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .download-section,
    .breadcrumb {
        display: none;
    }

    .font-detail {
        box-shadow: none;
    }
}

/* 辅助类 */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden {
    display: none !important;
}

/* 分类徽章 */
.font-category-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

.font-card-size {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding: 2rem 0;
    flex-wrap: wrap;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    background: var(--card-background);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.pagination-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.pagination-ellipsis {
    color: var(--text-secondary);
    padding: 0 0.25rem;
}

@media (max-width: 768px) {
    .pagination {
        gap: 0.25rem;
    }

    .pagination-btn {
        min-width: 36px;
        height: 36px;
        font-size: 0.85rem;
        padding: 0 0.5rem;
    }
}

@media (max-width: 480px) {
    .pagination-numbers {
        display: none;
    }

    .pagination {
        justify-content: space-between;
    }
}

/* 预览控制面板样式 */
.preview-control-panel {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 16px;
    padding: 20px 24px;
    margin-bottom: 32px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    border: 1px solid #e2e8f0;
}

.control-group {
    display: flex;
    gap: 6px;
}

.control-group label {
    font-size: 13px;
    font-weight: 500;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 6px;
}

.control-input {
    padding: 8px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    width: 180px;
    transition: all 0.2s;
}

.control-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.control-select {
    padding: 8px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    cursor: pointer;
}

.control-color {
    width: 30px;
    height: 30px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    cursor: pointer;
    padding: 2px;
}

.control-btn-small {
    padding: 6px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: white;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.control-btn-small:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
}

.control-btn-primary,
.control-btn-secondary {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.control-btn-primary {
    background: #3b82f6;
    color: white;
}

.control-btn-primary:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.control-btn-secondary {
    background: #e2e8f0;
    color: #475569;
}

.control-btn-secondary:hover {
    background: #cbd5e1;
}

.char-count {
    font-size: 12px;
    color: #94a3b8;line-height: 34px;
    margin-left: 8px;
}

/* 响应式 */
@media (max-width: 768px) {
    .preview-control-panel {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-input,
    .control-select {
        width: 100%;
    }
    
    .control-group {
        width: 100%;
    }
    
    .control-btn-primary,
    .control-btn-secondary {
        width: 100%;
    }
}
.live-preview-container img{margin: 0 auto;}
.live-preview-container {background-image: url("bg.png");}