/* 自定义样式 */

/* 暗色主题变量 */
:root {
    --bg-primary: #f5f5f5;      /* 更深一点的浅灰色背景 */
    --bg-secondary: #ffffff;    /* 纯白色卡片背景 */
    --bg-tertiary: #f0f0f0;     /* 更深的灰色用于hover状态 */
    --text-primary: #1a1a1a;    /* 深灰色主文字 */
    --text-secondary: #6b7280;  /* 中等灰色副文字 */
    --text-muted: #9ca3af;      /* 浅灰色辅助文字 */
    --border-color: #e5e7eb;    /* 浅灰色边框 */
    --border-hover: #d1d5db;    /* hover时的边框颜色 */
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.05);  /* 很浅的阴影 */
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.08); /* 中等阴影 */
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #475569;
    --border-hover: #64748b;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
}

/* 全局样式 */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* 链接样式 */
a {
    text-decoration: none;
    transition: color 0.2s ease;
}

/* 按钮样式增强 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #2563eb;
}

/* 卡片样式 */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-light);
    transition: all 0.2s ease;
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-medium);
    transform: translateY(-1px);
}

/* 特殊卡片样式 */
.card-elevated {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.875rem;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
}

.card-elevated:hover {
    box-shadow: 0 8px 25px -2px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    border-color: var(--border-hover);
}

/* 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;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 响应式图片 */
.responsive-img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* 表单样式增强 */
.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

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

.form-input:hover {
    border-color: var(--border-hover);
}

/* 按钮样式增强 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: #2563eb;
    border-color: #2563eb;
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

/* 移动端优化 */
@media (max-width: 768px) {
    .card {
        margin: 0.5rem;
        border-radius: 0.5rem;
        border-width: 1px;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* 高亮效果 */
.highlight-border {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
}

/* 导航栏样式增强 */
.nav-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* 内容区域样式 */
.content-container {
    background: var(--bg-primary);
    min-height: 100vh;
}

/* 页脚样式 */
.footer-card {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

/* 主题切换按钮样式 */
#theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

/* 特殊视觉效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .glass-effect {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(71, 85, 105, 0.3);
}

/* 打印样式 */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Markdown 内容样式 */
.markdown-content {
    line-height: 1.7;
    font-size: 1rem;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

.markdown-content h1 {
    font-size: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.markdown-content h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

.markdown-content h3 {
    font-size: 1.25rem;
}

.markdown-content h4 {
    font-size: 1.125rem;
}

.markdown-content h5,
.markdown-content h6 {
    font-size: 1rem;
}

.markdown-content p {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.markdown-content ul,
.markdown-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.markdown-content li {
    margin-bottom: 0.25rem;
}

.markdown-content li > ul,
.markdown-content li > ol {
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
}

/* 任务列表样式 */
.markdown-content input[type="checkbox"] {
    margin-right: 0.5rem;
}

.markdown-content li input[type="checkbox"] {
    margin-left: -1.5rem;
    margin-right: 0.5rem;
}

/* 代码样式 */
.markdown-content code {
    background-color: #f1f5f9;
    color: #e11d48;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

[data-theme="dark"] .markdown-content code {
    background-color: #374151;
    color: #fbbf24;
}

.markdown-content pre {
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.5;
}

[data-theme="dark"] .markdown-content pre {
    background-color: #1f2937;
}

.markdown-content pre code {
    background: none;
    color: inherit;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

/* 引用块样式 */
.markdown-content .markdown-blockquote,
.markdown-content blockquote {
    margin: 1rem 0;
    padding: 1rem;
    background-color: #f8fafc;
    border-left: 4px solid #3b82f6;
    border-radius: 0 0.5rem 0.5rem 0;
    color: var(--text-secondary);
}

[data-theme="dark"] .markdown-content .markdown-blockquote,
[data-theme="dark"] .markdown-content blockquote {
    background-color: #1f2937;
    border-left-color: #60a5fa;
}

.markdown-content blockquote p {
    margin: 0;
}

/* 表格样式 */
.markdown-content .markdown-table,
.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
}

.markdown-content table th,
.markdown-content table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.markdown-content table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: var(--text-primary);
}

[data-theme="dark"] .markdown-content table th {
    background-color: #374151;
}

.markdown-content table tr:last-child td {
    border-bottom: none;
}

.markdown-content table tr:nth-child(even) {
    background-color: #f9fafb;
}

[data-theme="dark"] .markdown-content table tr:nth-child(even) {
    background-color: #1f2937;
}

/* 链接样式 */
.markdown-content a {
    color: #3b82f6;
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: all 0.2s ease;
}

.markdown-content a:hover {
    color: #2563eb;
    text-decoration-color: #2563eb;
}

[data-theme="dark"] .markdown-content a {
    color: #60a5fa;
}

[data-theme="dark"] .markdown-content a:hover {
    color: #93c5fd;
    text-decoration-color: #93c5fd;
}

/* 图片样式 */
.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 1rem 0;
    box-shadow: var(--shadow-light);
}

/* 水平分割线 */
.markdown-content hr {
    margin: 2rem 0;
    border: none;
    height: 1px;
    background-color: var(--border-color);
}

/* 强调和加粗 */
.markdown-content strong {
    font-weight: 600;
    color: var(--text-primary);
}

.markdown-content em {
    font-style: italic;
}

/* 删除线 */
.markdown-content del {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* 标记/高亮 */
.markdown-content mark {
    background-color: #fef3c7;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
}

[data-theme="dark"] .markdown-content mark {
    background-color: #451a03;
    color: #fbbf24;
}

/* 上标和下标 */
.markdown-content sup,
.markdown-content sub {
    font-size: 0.75rem;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

.markdown-content sup {
    top: -0.5em;
}

.markdown-content sub {
    bottom: -0.25em;
}

/* 脚注样式 */
.markdown-content .footnotes {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.markdown-content .footnotes ol {
    padding-left: 1.5rem;
}

/* 定义列表样式 */
.markdown-content dl {
    margin: 1rem 0;
}

.markdown-content dt {
    font-weight: 600;
    margin-top: 1rem;
    color: var(--text-primary);
}

.markdown-content dd {
    margin-left: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* 缩写样式 */
.markdown-content abbr {
    border-bottom: 1px dotted var(--text-muted);
    cursor: help;
}