/* YRPay Docs */

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

:root {
    --sidebar: 240px;
    --header: 56px;
    --blue: #2563eb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: #374151;
    background: #fff;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 导航 */
.docs-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header);
    background: #fff;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    padding: 0 20px;
    z-index: 100;
}

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

.docs-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #111;
}

.docs-logo:hover { text-decoration: none; }

.docs-logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: block;
    object-fit: contain;
}

.docs-logo-text { font-size: 15px; }
.docs-logo-text span { color: #666; }

.docs-nav-divider {
    width: 1px;
    height: 20px;
    background: #ddd;
}

.docs-nav-title {
    font-size: 13px;
    color: #666;
}

.docs-nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 6px;
}

.docs-nav-link {
    padding: 6px 12px;
    font-size: 13px;
    color: #555;
    border-radius: 4px;
}

.docs-nav-link:hover {
    background: #f5f5f5;
    text-decoration: none;
    color: #111;
}

.docs-nav-btn {
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    background: #111;
    border-radius: 4px;
}

.docs-nav-btn:hover {
    background: #333;
    color: #fff;
    text-decoration: none;
}

.docs-mobile-toggle {
    display: none;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: #666;
}

/* 布局 */
.docs-layout {
    display: flex;
    padding-top: var(--header);
}

/* 侧边栏 */
.docs-sidebar {
    position: fixed;
    top: var(--header);
    left: 0;
    bottom: 0;
    width: var(--sidebar);
    background: #fafafa;
    border-right: 1px solid #eee;
    overflow-y: auto;
    padding: 20px 0;
}

.docs-sidebar-section { margin-bottom: 24px; }

.docs-sidebar-title {
    font-size: 14px;
    font-weight: 600;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0 20px 10px;
}

.docs-sidebar-nav {
    display: flex;
    flex-direction: column;
}

.docs-sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    font-size: 16px;
    color: #555;
}

.docs-sidebar-link:hover {
    color: #111;
    background: #f0f0f0;
    text-decoration: none;
}

.docs-sidebar-link.active {
    color: var(--blue);
    background: #e8f0fe;
    font-weight: 500;
}

.docs-sidebar-link svg {
    width: 18px;
    height: 18px;
    opacity: 0.5;
}

/* 主内容 */
.docs-main {
    flex: 1;
    margin-left: var(--sidebar);
    padding: 40px 48px 60px 40px;
    width: calc(100% - var(--sidebar));
}

.docs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #999;
    margin-bottom: 24px;
}

.docs-breadcrumb a { color: #666; }
.docs-breadcrumb a:hover { color: var(--blue); }
.docs-breadcrumb svg { width: 12px; height: 12px; }

/* 内容 */
.docs-content { max-width: 100%; }

.docs-content h1 {
    font-size: 28px;
    font-weight: 600;
    color: #111;
    margin-bottom: 8px;
}

.docs-content h1 + p {
    font-size: 16px;
    color: #666;
    margin-bottom: 32px;
}

.docs-content h2 {
    font-size: 20px;
    font-weight: 600;
    color: #111;
    margin: 40px 0 16px;
    padding-top: 24px;
    border-top: 1px solid #eee;
}

.docs-content h2:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.docs-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: #222;
    margin: 28px 0 12px;
}

.docs-content p {
    margin-bottom: 16px;
    color: #444;
}

.docs-content ul, .docs-content ol {
    margin: 0 0 16px 20px;
    color: #444;
}

.docs-content li { margin-bottom: 6px; }
.docs-content strong { color: #111; }

.docs-content code {
    font-family: "SF Mono", Consolas, monospace;
    font-size: 13px;
    background: #f5f5f5;
    color: #d63384;
    padding: 2px 5px;
    border-radius: 3px;
}

.docs-content pre {
    background: #1a1a1a;
    border-radius: 6px;
    padding: 16px;
    margin: 16px 0;
    overflow-x: auto;
}

.docs-content pre code {
    background: none;
    color: #ddd;
    padding: 0;
    font-size: 13px;
}

.docs-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

.docs-content th, .docs-content td {
    padding: 10px 12px;
    text-align: left;
    border: 1px solid #eee;
}

.docs-content th {
    background: #fafafa;
    font-weight: 600;
    color: #111;
}

.docs-content td { color: #444; }

.docs-tip {
    display: flex;
    gap: 10px;
    padding: 14px 16px;
    background: #f0f7ff;
    border-left: 3px solid var(--blue);
    margin: 16px 0;
}

.docs-tip-icon {
    width: 18px;
    height: 18px;
    color: var(--blue);
}

.docs-tip-content {
    font-size: 14px;
    color: #1e40af;
}

.docs-warning {
    background: #fffbeb;
    border-left-color: #f59e0b;
}

.docs-warning .docs-tip-icon { color: #d97706; }
.docs-warning .docs-tip-content { color: #92400e; }

/* 底部导航 */
.docs-page-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid #eee;
}

.docs-page-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 6px;
    flex: 1;
    max-width: 260px;
}

.docs-page-nav-btn:hover {
    border-color: #ccc;
    text-decoration: none;
}

.docs-page-nav-btn.next {
    flex-direction: row-reverse;
    text-align: right;
    margin-left: auto;
}

.docs-page-nav-btn svg {
    width: 16px;
    height: 16px;
    color: #999;
}

.docs-page-nav-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.docs-page-nav-label {
    font-size: 11px;
    color: #999;
}

.docs-page-nav-title {
    font-size: 14px;
    font-weight: 500;
    color: #111;
}

/* 首页卡片 */
.docs-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.docs-card {
    padding: 20px;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 8px;
}

.docs-card:hover {
    border-color: #ccc;
    text-decoration: none;
}

.docs-card-icon {
    width: 36px;
    height: 36px;
    background: #111;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 12px;
}

.docs-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: #111;
    margin-bottom: 4px;
}

.docs-card p {
    font-size: 13px;
    color: #666;
}

/* 响应式 */
@media (max-width: 768px) {
    .docs-mobile-toggle { display: block; }
    .docs-nav-right .docs-nav-link { display: none; }
    
    .docs-sidebar {
        transform: translateX(-100%);
        transition: transform 0.2s;
        z-index: 99;
        background: #fff;
    }
    
    .docs-sidebar.show { transform: translateX(0); }
    
    .docs-main {
        margin-left: 0;
        padding: 24px 20px;
    }
    
    .docs-content h1 { font-size: 24px; }
    
    .docs-page-nav { flex-direction: column; }
    .docs-page-nav-btn { max-width: none; }
    .docs-page-nav-btn.next { margin-left: 0; }
    
    .docs-cards { grid-template-columns: 1fr; }
}

.docs-sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--header);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    z-index: 98;
}

.docs-sidebar-overlay.show { display: block; }

/* 页脚 */
.docs-footer {
    position: fixed;
    bottom: 0;
    left: var(--sidebar);
    right: 0;
    padding: 12px 40px;
    background: #fff;
    border-top: 1px solid #eee;
    font-size: 12px;
    color: #999;
    text-align: center;
}

.docs-footer a {
    color: #666;
}

.docs-footer a:hover {
    color: #111;
}

@media (max-width: 768px) {
    .docs-footer {
        left: 0;
    }
}

/* 定价卡片 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 24px 0;
}

.pricing-card {
    position: relative;
    padding: 28px 24px;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 12px;
}

.pricing-card.recommended {
    background: #fff;
    border: 2px solid var(--blue);
}

.pricing-card.recommended h3 {
    color: #111;
}

.pricing-card.recommended .pricing-desc {
    color: #666;
}

.pricing-card.recommended .pricing-price {
    color: #666;
}

.pricing-card.recommended .pricing-price span {
    color: var(--blue);
}

.pricing-card.recommended li {
    color: #444;
}

.pricing-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--blue);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
}

.pricing-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #111;
    margin-bottom: 4px;
}

.pricing-desc {
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
}

.pricing-price {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}

.pricing-price span {
    font-size: 48px;
    font-weight: 700;
    color: #111;
}

.pricing-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pricing-card li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 14px;
    color: #444;
}

.pricing-card li::before {
    content: "✓";
    color: #10b981;
    font-weight: 600;
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}