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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --code-bg: #1e1e1e;
    --code-text: #d4d4d4;
    --sidebar-width: 280px;
    --topbar-height: 52px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    font-size: 14px;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* 顶部导航栏 */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--topbar-height);
    padding: 0 16px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.version-badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 4px;
}

.topbar-right {
    display: flex;
    gap: 8px;
}

/* 主容器 */
.main-container {
    display: flex;
    margin-top: var(--topbar-height);
    height: calc(100vh - var(--topbar-height));
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    padding: 12px 0;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 12px 12px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.search-box svg {
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 13px;
    background: transparent;
    color: var(--text-primary);
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.search-box .shortcut {
    font-size: 11px;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
}

.nav-tree {
    padding: 0 8px;
}

/* 导航项 */
.nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.15s;
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--bg-tertiary);
}

.nav-item.active {
    background: #eff6ff;
    color: var(--primary-color);
    font-weight: 500;
}

.nav-item .nav-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-item .arrow {
    color: var(--text-tertiary);
    flex-shrink: 0;
    margin-left: 8px;
    transition: transform 0.2s;
}

.nav-item.has-submenu .arrow {
    transform: rotate(90deg);
}

.nav-item.has-submenu.submenu-open .arrow {
    transform: rotate(-90deg);
}

/* 子菜单 */
.submenu {
    display: none;
    padding-left: 16px;
    border-left: 1px solid var(--border-color);
    margin-left: 12px;
}

.submenu.show {
    display: block;
}

.submenu .nav-item {
    padding: 6px 12px;
    font-size: 13px;
}

.submenu .nav-item::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--text-tertiary);
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
}

/* 导航分组 */
.nav-group {
    margin-bottom: 4px;
}

.nav-group-title {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.15s;
}

.nav-group-title:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.chevron {
    transition: transform 0.2s;
    color: var(--text-tertiary);
}

.nav-group.collapsed .chevron {
    transform: rotate(0deg);
}

.nav-group:not(.collapsed) .chevron {
    transform: rotate(90deg);
}

.nav-group-content {
    overflow: hidden;
}

.nav-group.collapsed .nav-group-content {
    display: none;
}

/* 方法标签 */
.method-tag {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: monospace;
    flex-shrink: 0;
    margin-left: 8px;
}

.method-tag.get {
    background: #dbeafe;
    color: #1d4ed8;
}

.method-tag.post {
    background: #dcfce7;
    color: #15803d;
}

/* 内容区 */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px 48px;
    overflow-y: auto;
    background: var(--bg-primary);
}

.content-section h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.content-section > p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.content-section h2 {
    font-size: 16px;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--text-primary);
}

.content-section h3 {
    font-size: 14px;
    font-weight: 600;
    margin: 20px 0 10px;
    color: var(--text-primary);
}

/* 支持列表 */
.support-list {
    margin: 16px 0;
    padding-left: 20px;
}

.support-list li {
    margin: 8px 0;
    color: var(--text-primary);
}

/* 代码语言切换 */
.code-tabs {
    display: flex;
    gap: 4px;
    margin: 14px 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.code-tab {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: -1px;
}

.code-tab:hover {
    color: var(--text-primary);
}

.code-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

/* 端点信息 */
.endpoint-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin: 20px 0;
}

.http-method {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    font-family: monospace;
}

.http-method.get {
    background: #dbeafe;
    color: #1d4ed8;
}

.http-method.post {
    background: #dcfce7;
    color: #15803d;
}

.endpoint {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 13px;
    color: var(--text-primary);
}

/* 参数表格 */
.params-table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: 13px;
}

.params-table th,
.params-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.params-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.params-table td {
    color: var(--text-primary);
}

.params-table code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 12px;
}

.required {
    color: var(--error-color);
    font-weight: 500;
}

/* 代码块 */
.code-block {
    background: var(--code-bg);
    border-radius: 8px;
    margin: 14px 0;
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: #2d2d2d;
    border-bottom: 1px solid #404040;
}

.code-header span {
    font-size: 12px;
    color: #9ca3af;
    font-weight: 500;
}

.copy-btn {
    padding: 4px 10px;
    background: transparent;
    border: 1px solid #4a4a4a;
    border-radius: 4px;
    color: #9ca3af;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: #3a3a3a;
    color: white;
}

.code-block pre {
    padding: 14px 16px;
    overflow-x: auto;
    margin: 0;
}

.code-block code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 12px;
    line-height: 1.6;
    color: var(--code-text);
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

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

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

/* 响应式 */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .content {
        margin-left: 0;
        padding: 24px 20px;
    }
    
    .code-tabs {
        overflow-x: auto;
    }
}