/* shadcn/ui "neutral" tokens (docs/UI_DESIGN_SPEC.md §1). Light by default, dark through the same tokens. */
:root{--background:#fff;--foreground:#0a0a0a;--card:#fff;--muted:#f5f5f5;--muted-foreground:#737373;--border:#e5e5e5;--input:#e5e5e5;--primary:#171717;--primary-foreground:#fafafa;--accent:#f5f5f5;--sidebar:#fafafa;--sidebar-accent:#e8e8e8;--ring:#a3a3a3;
--success:#16a34a;--success-bg:#f0fdf4;--success-bd:#bbf7d0;--warn:#b45309;--warn-bg:#fffbeb;--warn-bd:#fde68a;--danger:#dc2626;--danger-bg:#fef2f2;--danger-bd:#fecaca}
:root.dark{--background:#0a0a0a;--foreground:#fafafa;--card:#171717;--muted:#262626;--muted-foreground:#a3a3a3;--border:rgba(255,255,255,.1);--input:rgba(255,255,255,.15);--primary:#fafafa;--primary-foreground:#171717;--accent:#262626;--sidebar:#171717;--sidebar-accent:#262626;--ring:#737373;
--success:#4ade80;--success-bg:rgba(34,197,94,.12);--success-bd:rgba(34,197,94,.3);--warn:#fbbf24;--warn-bg:rgba(245,158,11,.12);--warn-bd:rgba(245,158,11,.3);--danger:#f87171;--danger-bg:rgba(239,68,68,.12);--danger-bd:rgba(239,68,68,.3)}
*{box-sizing:border-box;margin:0}html{color-scheme:light}html.dark{color-scheme:dark}
body{font-family:"DM Sans",ui-sans-serif,system-ui,sans-serif;font-size:14px;line-height:1.5;color:var(--foreground);background:var(--background);-webkit-font-smoothing:antialiased}
a{color:inherit}button,input{font:inherit;color:inherit}button{cursor:pointer;background:none;border:0}
code,pre,kbd.mono{font-family:"JetBrains Mono",ui-monospace,monospace}code{font-size:12px;background:var(--muted);padding:1px 6px;border-radius:6px}
svg.i{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.shell{display:flex;min-height:100vh}
aside{width:256px;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;flex:none;position:sticky;top:0;height:100vh;overflow:hidden;transition:width .2s}
.brand{height:56px;display:flex;align-items:center;gap:10px;padding:0 16px;font-weight:600;text-decoration:none;flex:none}
.logo{width:28px;height:28px;border-radius:6px;background:var(--primary);color:var(--primary-foreground);display:grid;place-items:center;font-weight:700;font-size:15px}
.side-search{margin:0 8px 8px;height:32px;border:1px solid var(--border);border-radius:8px;background:var(--background);display:flex;align-items:center;gap:8px;padding:0 8px;color:var(--muted-foreground);flex:none}
.side-search input{flex:1;min-width:0;border:0;background:none;outline:none}kbd{font:500 12px "DM Sans";background:var(--muted);border-radius:4px;padding:0 5px;color:var(--muted-foreground)}
nav{flex:1;overflow-y:auto;padding:0 8px 8px}.grp{font-size:12px;font-weight:500;color:var(--muted-foreground);padding:12px 8px 4px;white-space:nowrap}
.nav-item{display:flex;align-items:center;gap:8px;height:36px;padding:0 8px;border-radius:8px;color:var(--muted-foreground);text-decoration:none;white-space:nowrap}
.nav-parent{display:flex;align-items:center;position:relative}.nav-parent .nav-item{flex:1}.chev{position:absolute;right:4px;width:28px;height:28px;border-radius:6px;display:grid;place-items:center;color:var(--muted-foreground)}.chev:hover{background:var(--sidebar-accent)}.chev svg{transition:transform .15s}
.nav-group.open>.nav-parent .chev svg{transform:rotate(90deg)}.sub{display:none;margin:2px 0 4px 16px;padding-left:8px;border-left:1px solid var(--border)}.nav-group.open>.sub{display:block}
.nav-sub{display:block;height:32px;line-height:32px;padding:0 8px;border-radius:8px;color:var(--muted-foreground);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-sub.on,.nav-sub:hover{background:var(--sidebar-accent);color:var(--foreground)}
.nav-item:hover,.nav-item.active{background:var(--sidebar-accent);color:var(--foreground)}.nav-item.active{font-weight:500}.nav-item .label{overflow:hidden;text-overflow:ellipsis}
html.collapsed aside{width:56px}html.collapsed .nav-group,html.collapsed .grp,html.collapsed .side-search input,html.collapsed .side-search kbd,html.collapsed .brand .name,html.collapsed nav{display:none}html.collapsed .side-search{justify-content:center}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
header{height:56px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;padding:0 16px;position:sticky;top:0;background:var(--background);z-index:10}
.icon-btn{width:32px;height:32px;border-radius:8px;display:grid;place-items:center}.icon-btn:hover{background:var(--accent)}.crumb{font-weight:500}.spacer{flex:1}.ver{color:var(--muted-foreground);font-size:13px}
.seg{display:inline-flex;background:var(--muted);border-radius:8px;padding:2px}.seg span{height:28px;line-height:28px;padding:0 10px;border-radius:6px;font-size:13px;font-weight:500;color:var(--muted-foreground)}.seg .on{background:#fbbf24;color:#0a0a0a}
.content{padding:24px;width:100%;max-width:1400px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}h1{font-size:24px;font-weight:600;letter-spacing:-.01em}.h2{font-size:16px;font-weight:600}.sub{color:var(--muted-foreground)}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;min-width:0}
.card-h{padding:16px;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.card-h h3{font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card-h p{color:var(--muted-foreground);font-size:14px;margin-top:2px}.card-b{padding:16px;flex:1;min-width:0}.path{font-size:13px;background:none;padding:0}
.method{font:600 11px "JetBrains Mono",monospace;padding:2px 8px;border-radius:6px;background:var(--primary);color:var(--primary-foreground)}.m-get{background:var(--muted);color:var(--foreground)}.m-delete{background:var(--danger-bg);color:var(--danger);box-shadow:inset 0 0 0 1px var(--danger-bd)}
.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;padding:0 8px;height:22px;font-size:12px;font-weight:500;white-space:nowrap}.badge::before{content:"";width:6px;height:6px;border-radius:99px;background:currentColor}
.badge.ok{color:var(--success);background:var(--success-bg);border-color:var(--success-bd)}.badge.warn{color:var(--warn);background:var(--warn-bg);border-color:var(--warn-bd)}.badge.bad{color:var(--danger);background:var(--danger-bg);border-color:var(--danger-bd)}
.table{overflow:auto;margin:8px 0 16px;border:1px solid var(--border);border-radius:8px}table{width:100%;border-collapse:collapse}
th{text-align:left;font-weight:500;color:var(--muted-foreground);padding:10px 16px;border-bottom:1px solid var(--border);white-space:nowrap;font-size:13px;background:var(--muted)}td{padding:10px 16px;border-bottom:1px solid var(--border);vertical-align:top}tr:last-child td{border-bottom:0}
h4{margin:20px 0 4px;font-size:14px;font-weight:600}h4 small{font-weight:400;color:var(--muted-foreground)}.facts{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px;margin:12px 0}.facts dt{color:var(--muted-foreground)}.facts dd{margin:0}
pre{background:var(--muted);border-radius:8px;padding:12px;overflow-x:auto;font-size:12px;line-height:1.6;margin:8px 0}pre code{background:none;padding:0}details{margin:8px 0}summary{cursor:pointer;color:var(--muted-foreground)}
.note{border:1px solid var(--border);background:var(--muted);border-radius:8px;padding:10px 12px;font-size:13px;color:var(--muted-foreground)}.note a,.prose a,.toc a:hover{text-decoration:underline}.prose a{text-underline-offset:2px}
.prose{line-height:1.65}.prose>*+*{margin-top:12px}.prose h1{font-size:24px}.prose h2{font-size:18px;font-weight:600;margin-top:28px;padding-top:20px;border-top:1px solid var(--border)}.prose h3{font-size:15px;font-weight:600;margin-top:20px}
.prose ul,.prose ol{padding-left:22px}.prose li+li{margin-top:4px}.prose table{display:block;overflow:auto;border:1px solid var(--border);border-radius:8px}
.toc{list-style:none;padding:0;display:flex;flex-direction:column}.toc a{display:flex;gap:10px;align-items:center;padding:6px 8px;border-radius:8px;text-decoration:none}.toc a:hover{background:var(--accent);text-decoration:none}.toc span{color:var(--muted-foreground)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}a.card{text-decoration:none;gap:4px;padding:16px}a.card:hover{background:var(--accent)}a.card span{color:var(--muted-foreground)}a.card small{color:var(--muted-foreground);font-size:12px}
.btn{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 12px;border-radius:8px;border:1px solid var(--input);background:var(--background);font-weight:500;text-decoration:none;white-space:nowrap}.btn:hover{background:var(--accent)}.btn.primary{background:var(--primary);color:var(--primary-foreground);border-color:var(--primary)}.toolbar{display:flex;gap:8px;align-items:center}
pre.spec{max-height:70vh;overflow:auto;margin:0}
@media (max-width:900px){aside{display:none;position:fixed;inset:0 auto 0 0;z-index:20;width:256px}body.open aside{display:flex}.content{padding:16px}.facts{grid-template-columns:1fr}}