:root{--bg-primary:#fff;--bg-soft:#f6f9fc;--bg-sidebar:#fff;--bg-hover:#f0f5fb;--bg-active:#e6f0fa;--text-primary:#0f1b2d;--text-secondary:#4a5d7a;--text-muted:#8694a8;--border-color:#e8edf3;--border-soft:#f0f3f8;--accent:#0a6b9a;--accent-hover:#085580;--accent-light:#e3f1f8;--accent-soft:#f5fafc;--code-bg:#1a2433;--code-text:#d6deeb;--shadow-sm:0 1px 2px #0f1b2d0a;--shadow:0 2px 8px #0f1b2d0f;--shadow-lg:0 8px 24px #0f1b2d14;--radius-sm:6px;--radius:10px;--radius-lg:14px;--sidebar-width:280px}[data-theme=dark]{--bg-primary:#0d1320;--bg-soft:#131a28;--bg-sidebar:#0d1320;--bg-hover:#1a2335;--bg-active:#16243a;--text-primary:#e6edf6;--text-secondary:#a8b6cc;--text-muted:#6d7d97;--border-color:#1f2a3d;--border-soft:#18223a;--accent:#4ba8d6;--accent-hover:#6cbae0;--accent-light:#1a3a4f;--accent-soft:#142836;--code-bg:#0a0f1a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;min-height:100vh;font-family:Google Sans,sans-serif;display:flex}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.topbar{z-index:100;background:var(--bg-primary);border-bottom:1px solid var(--border-color);align-items:center;gap:8px;height:64px;padding:0 20px;display:flex;position:fixed;top:0;left:0;right:0}.brand{color:var(--text-primary);letter-spacing:-.3px;align-items:center;gap:12px;font-size:18px;font-weight:800;display:flex}.brand-logo{width:auto;height:32px;display:block}.brand-tag{color:var(--accent);background:var(--accent-soft);border-radius:6px;margin-left:4px;padding:2px 8px;font-size:12px;font-weight:700}.topbar-spacer{flex:1}.search-wrap{background:var(--bg-soft);border:1px solid var(--border-color);border-radius:var(--radius);align-items:center;gap:10px;width:280px;height:38px;padding:0 14px;transition:all .2s;display:flex}.search-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.search-wrap svg{color:var(--text-muted);flex-shrink:0}.search-wrap input{color:var(--text-primary);background:0 0;border:none;outline:none;width:100%;font-family:Google Sans,sans-serif;font-size:14px}.search-wrap input::placeholder{color:var(--text-muted)}.search-wrap kbd{border:1px solid var(--border-color);color:var(--text-muted);background:var(--bg-primary);border-radius:4px;padding:2px 6px;font-family:Google Sans,sans-serif;font-size:11px;font-weight:600}.icon-btn{border:1px solid var(--border-color);border-radius:var(--radius);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;background:0 0;justify-content:center;align-items:center;font-size:15px;transition:all .15s;display:flex}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--accent)}.download-btn{white-space:nowrap;gap:8px;width:auto;padding:0 14px;font-family:Google Sans,sans-serif;font-size:13px;font-weight:600}.lang-btn{width:38px;font-family:Google Sans,sans-serif;font-size:12px;font-weight:700}.hamburger-btn{border:1px solid var(--border-color);border-radius:var(--radius);cursor:pointer;width:36px;height:36px;color:var(--text-secondary);background:0 0;justify-content:center;align-items:center;transition:all .15s;display:none}.hamburger-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--accent)}.layout{flex:1;margin-top:64px;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);z-index:50;padding:20px 0 40px;transition:transform .3s;position:fixed;top:64px;bottom:0;left:0;overflow-y:auto}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}.sidebar-overlay{z-index:49;background:#0006;display:none;position:fixed;inset:64px 0 0}.sidebar-section{margin-bottom:4px}.sidebar-category{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);padding:8px 24px 6px;font-size:11.5px;font-weight:800}.sidebar-item{color:var(--text-secondary);cursor:pointer;border-left:3px solid #0000;align-items:center;gap:10px;padding:6px 24px;font-size:14px;font-weight:500;line-height:1.3;transition:all .15s;display:flex}.sidebar-item:hover{background:var(--bg-hover);color:var(--text-primary);text-decoration:none}.sidebar-item.active{background:var(--accent-soft);color:var(--accent);border-left-color:var(--accent);font-weight:700}.sidebar-item .method-badge{text-align:center;letter-spacing:.3px;border-radius:4px;flex-shrink:0;min-width:44px;padding:2px 6px;font-size:9.5px;font-weight:800}.method-GET{color:#0a6b9a;background:#e3f1f8}.method-POST{color:#1d7a3e;background:#e3f4ea}.method-PUT{color:#a06a0d;background:#fdf0d8}.method-DELETE{color:#b1252f;background:#fce4e6}[data-theme=dark] .method-GET{color:#6cbae0;background:#143548}[data-theme=dark] .method-POST{color:#5dc285;background:#143524}[data-theme=dark] .method-PUT{color:#e3b365;background:#3a2810}[data-theme=dark] .method-DELETE{color:#e87880;background:#3a1818}.sidebar-section.collapsible .sidebar-category{cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--text-secondary);letter-spacing:.1px;background:0 0;border-radius:0;justify-content:space-between;align-items:center;margin:1px 0;padding:6px 20px;font-size:12px;font-weight:600;display:flex}.sidebar-section.collapsible .sidebar-category:hover{color:var(--accent)}.sidebar-section.collapsible .sidebar-category span{align-items:center;gap:8px;display:inline-flex}.sidebar-section.collapsible .sidebar-category:after{content:"";background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238694a8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0;width:16px;height:16px;transition:transform .2s}.sidebar-section.collapsible.collapsed .sidebar-category:after{transform:rotate(-90deg)}[data-theme=dark] .sidebar-section.collapsible .sidebar-category:after{background-image:url("data:image/svg+xml,%3Csvg 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.15s;display:flex}.sidebar-action-btn:hover{background:var(--bg-hover);color:var(--accent);border-color:var(--accent)}.api-list-label{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);padding:6px 24px 2px;font-size:10px;font-weight:800}.sidebar-item.api-list-item{padding-left:32px;font-size:13px}.sidebar-section.collapsible .sidebar-item{padding-left:44px}.sidebar-section.collapsible .api-list-label{text-transform:none;letter-spacing:normal;color:var(--text-secondary);border-left:3px solid #0000;padding:6px 24px 6px 44px;font-size:14px;font-weight:500}.sidebar-section.collapsible .sidebar-item.api-list-item{padding-left:52px}.sidebar-item.api-list-item .method-badge{min-width:40px;font-size:9px}.main-content{margin-left:var(--sidebar-width);flex:1;max-width:1080px;padding:48px 56px 80px}.page-header{margin-bottom:40px}.page-header h1{color:var(--text-primary);letter-spacing:-.6px;margin-bottom:12px;font-size:32px;font-weight:800}.page-header p{color:var(--text-secondary);max-width:720px;font-size:16px;line-height:1.7}.page-header .version-pill{background:var(--accent-soft);color:var(--accent);vertical-align:middle;border-radius:20px;margin-left:12px;padding:4px 10px;font-size:12px;font-weight:700;display:inline-block}.endpoint-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);margin-bottom:28px;transition:box-shadow .2s;overflow:hidden}.endpoint-card:hover{box-shadow:var(--shadow)}.endpoint-header{border-bottom:1px solid var(--border-soft);padding:22px 28px}.endpoint-header h2{color:var(--text-primary);letter-spacing:-.2px;align-items:center;gap:12px;margin-bottom:14px;font-size:19px;font-weight:700;display:flex}.endpoint-url{background:var(--bg-soft);border-radius:var(--radius);border:1px solid var(--border-soft);word-break:break-all;align-items:center;gap:10px;padding:10px 14px;font-family:SF Mono,Cascadia Code,Fira Code,monospace;font-size:13px;display:flex}.endpoint-url .method{text-transform:uppercase;letter-spacing:.5px;border-radius:5px;flex-shrink:0;padding:4px 10px;font-size:11px;font-weight:800}.endpoint-body{padding:24px 28px 28px}.endpoint-body p{color:var(--text-secondary);margin-bottom:16px;font-size:14.5px;line-height:1.7}.endpoint-body h3{text-transform:uppercase;letter-spacing:.5px;color:var(--text-primary);align-items:center;gap:8px;margin:24px 0 12px;font-size:14px;font-weight:700;display:flex}.endpoint-body h3 .subtitle{color:var(--text-muted);text-transform:none;letter-spacing:0;background:var(--bg-soft);border-radius:4px;padding:2px 8px;font-size:12px;font-weight:600}.endpoint-body h3:before{content:"";background:var(--accent);border-radius:2px;width:3px;height:14px}.endpoint-body ul,.endpoint-body ol{color:var(--text-secondary);margin-bottom:16px;padding-left:22px;font-size:14.5px;line-height:1.8}.endpoint-body li{margin-bottom:4px}code{background:var(--bg-soft);color:var(--accent);border-radius:4px;padding:1px 6px;font-family:SF Mono,Cascadia Code,Fira Code,monospace;font-size:.9em;font-weight:600}.table-wrapper{border:1px solid var(--border-soft);border-radius:var(--radius);margin-bottom:20px;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13.5px}thead th{background:var(--bg-soft);text-align:left;color:var(--text-primary);border-bottom:1px solid var(--border-color);white-space:nowrap;text-transform:uppercase;letter-spacing:.3px;padding:11px 16px;font-size:12.5px;font-weight:700}tbody td{border-bottom:1px solid var(--border-soft);color:var(--text-primary);vertical-align:top;padding:12px 16px}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--bg-soft)}td .tag{text-transform:uppercase;letter-spacing:.4px;border-radius:12px;padding:2px 8px;font-size:10.5px;font-weight:800;display:inline-block}.tag-required{color:#b1252f;background:#fce4e6}.tag-optional{color:#5a6b85;background:#eef2f7}[data-theme=dark] .tag-required{color:#e87880;background:#3a1818}[data-theme=dark] .tag-optional{color:#94a3b8;background:#1f2a3d}.code-block{background:var(--code-bg);color:var(--code-text);border-radius:var(--radius);border:1px solid var(--border-soft);white-space:pre;margin-bottom:20px;padding:18px 22px;font-family:SF Mono,Cascadia Code,Fira Code,monospace;font-size:13px;line-height:1.7;position:relative;overflow-x:auto}.code-block .label{text-transform:uppercase;color:#6c8eaf;letter-spacing:.8px;background:#ffffff0d;border-radius:4px;padding:2px 8px;font-size:10px;font-weight:800;position:absolute;top:10px;right:14px}.featured-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin:28px 0 32px;display:grid}.featured-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);cursor:default;padding:22px;transition:all .2s}.featured-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.featured-card .icon{background:var(--accent-soft);border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:14px;font-size:22px;display:flex}.featured-card h4{color:var(--text-primary);margin-bottom:6px;font-size:15px;font-weight:700}.featured-card p{color:var(--text-secondary);font-size:13px;line-height:1.5}.info-banner{background:var(--accent-soft);border:1px solid var(--accent-light);border-left:4px solid var(--accent);border-radius:var(--radius);color:var(--text-primary);margin:20px 0;padding:16px 20px;font-size:14px;line-height:1.6}.info-banner strong{color:var(--accent)}.flow-placeholder{background:var(--bg-soft);border:2px dashed var(--border-color);border-radius:var(--radius);text-align:center;color:var(--text-secondary);margin:16px 0;padding:48px;font-size:14px}.flow-placeholder p{margin-bottom:0}.page-nav{border-top:1px solid var(--border-soft);justify-content:space-between;margin-top:48px;padding-top:24px;display:flex}.page-nav a{border:1px solid var(--border-color);border-radius:var(--radius);color:var(--text-secondary);flex-direction:column;max-width:48%;padding:14px 22px;font-size:13px;transition:all .2s;display:flex}.page-nav a:hover{border-color:var(--accent);background:var(--accent-soft);text-decoration:none}.page-nav a .dir{color:var(--text-muted);margin-bottom:4px;font-size:11px;font-weight:600}.page-nav a .title{color:var(--text-primary);font-weight:700}@media (width<=1024px){.main-content{padding:32px 24px 60px}.endpoint-header{padding:18px 20px}.endpoint-body{padding:20px}.page-header h1{font-size:26px}.featured-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}}@media (width<=768px){.topbar{gap:10px;padding:0 12px}.hamburger-btn{display:flex}.search-wrap,.brand-tag{display:none}.brand{gap:8px;font-size:16px}.brand-logo{height:28px}.download-btn span{display:none}.download-btn{justify-content:center;width:38px;padding:0}.sidebar{z-index:51;width:280px;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay.active{display:block}.main-content{max-width:100%;margin-left:0;padding:20px 14px 60px}.page-header h1{margin-bottom:8px;font-size:22px}.page-header p{font-size:14px}.page-header .version-pill{margin-left:8px;padding:3px 8px;font-size:11px}.endpoint-card{border-radius:var(--radius);margin-bottom:20px}.endpoint-header{padding:16px}.endpoint-header h2{margin-bottom:10px;font-size:16px}.endpoint-body{padding:16px}.endpoint-body h3{margin:18px 0 10px;font-size:13px}.endpoint-body p,.endpoint-body ul,.endpoint-body ol{font-size:13.5px}.endpoint-url{flex-wrap:wrap;padding:8px 10px;font-size:11px}.table-wrapper{font-size:12px}thead th{padding:8px 10px;font-size:11px}tbody td{padding:8px 10px;font-size:12px}.code-block{border-radius:var(--radius-sm);padding:14px;font-size:11px}.featured-grid{grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 20px}.featured-card{padding:14px}.featured-card .icon{width:36px;height:36px;margin-bottom:10px;font-size:18px}.featured-card h4{margin-bottom:4px;font-size:13px}.featured-card p{font-size:11px}.info-banner{margin:14px 0;padding:12px 14px;font-size:13px}.page-nav{flex-direction:column;gap:10px;margin-top:32px;padding-top:16px}.page-nav a{max-width:100%;padding:12px 16px}.endpoint-body img{max-width:100%;height:auto}}@media (width<=480px){.topbar{height:56px;padding:0 10px}.layout{margin-top:56px}.sidebar{top:56px}.main-content{padding:16px 10px 50px}.page-header h1{font-size:20px}.page-header p{font-size:13px;line-height:1.6}.featured-grid{grid-template-columns:1fr}.endpoint-header,.endpoint-body{padding:14px 12px}.endpoint-url{padding:6px 8px;font-size:10px}.code-block{padding:10px;font-size:10px}.icon-btn{width:34px;height:34px}}