:root{--surface: #0e1420;--surface-low: #121a29;--surface-container: #17202f;--surface-high: #1e2939;--surface-highest: #273344;--on-surface: #dfe6f4;--on-surface-dim: #93a0b5;--outline: #33405a;--primary: #7fb2ff;--on-primary: #0a1930;--primary-container: #24406b;--accent: #8fe3c0;--danger: #ff9d94;--danger-container: #5a1f1c;--warn: #ffd58f;--radius: 12px;--radius-sm: 8px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple SD Gothic Neo", sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, monospace}@media (prefers-color-scheme: light){:root{--surface: #f6f8fc;--surface-low: #eef2f9;--surface-container: #ffffff;--surface-high: #e7edf7;--surface-highest: #dde5f2;--on-surface: #1a2334;--on-surface-dim: #5b6779;--outline: #ccd6e6;--primary: #2b5cad;--on-primary: #ffffff;--primary-container: #d7e4fb;--accent: #1d7d5b;--danger: #b3261e;--danger-container: #f9dedc;--warn: #8a5a00}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--surface);color:var(--on-surface);font-family:var(--font);font-size:15px;line-height:1.55}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.shell{display:flex;min-height:100vh}.nav{width:216px;flex-shrink:0;padding:20px 12px;background:var(--surface-low);border-right:1px solid var(--outline);display:flex;flex-direction:column;gap:2px}.nav .brand{font-weight:700;font-size:17px;padding:6px 10px 16px;letter-spacing:-.02em}.nav a{display:block;padding:8px 10px;border-radius:var(--radius-sm);color:var(--on-surface-dim);font-weight:500}.nav a:hover{background:var(--surface-container);text-decoration:none}.nav a.active{background:var(--primary-container);color:var(--on-surface)}.nav .spacer{flex:1}.main{flex:1;padding:28px clamp(16px,4vw,48px);max-width:980px}h1{font-size:24px;letter-spacing:-.02em;margin:0 0 4px}h2{font-size:17px;margin:0 0 10px}.sub{color:var(--on-surface-dim);margin:0 0 22px}.card{background:var(--surface-container);border:1px solid var(--outline);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}.card h2{display:flex;align-items:center;gap:8px}.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}.btn{display:inline-block;border:1px solid var(--outline);border-radius:var(--radius-sm);background:var(--surface-high);color:var(--on-surface);padding:7px 14px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}.btn:hover{background:var(--surface-highest)}.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.btn.primary:hover{filter:brightness(1.08)}.btn.danger{background:transparent;border-color:var(--danger);color:var(--danger)}.btn.danger:hover{background:var(--danger-container)}.btn:disabled{opacity:.5;cursor:default}.btn.sm{padding:4px 10px;font-size:13px}input[type=text],input[type=email],input[type=number],textarea,select{width:100%;padding:9px 12px;border-radius:var(--radius-sm);border:1px solid var(--outline);background:var(--surface-low);color:var(--on-surface);font-family:inherit;font-size:14px}textarea{min-height:84px;resize:vertical}label.field{display:block;margin-bottom:12px;font-size:13px;color:var(--on-surface-dim);font-weight:600}label.field>*{margin-top:5px}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700;background:var(--surface-highest);color:var(--on-surface-dim);vertical-align:middle}.badge.ok{background:var(--primary-container);color:var(--on-surface)}.badge.accent{color:var(--accent);border:1px solid var(--accent);background:transparent}.badge.warn{color:var(--warn);border:1px solid var(--warn);background:transparent}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.list{display:flex;flex-direction:column;gap:10px}.item{border:1px solid var(--outline);border-radius:var(--radius-sm);padding:12px 14px;background:var(--surface-low)}.item .meta{font-size:12px;color:var(--on-surface-dim);margin-top:4px}.kv{font-family:var(--mono);font-size:13px}code,.code{font-family:var(--mono);font-size:13px;background:var(--surface-low);border:1px solid var(--outline);border-radius:6px;padding:2px 6px;word-break:break-all}pre.code{padding:12px;overflow-x:auto;display:block}.flash{position:fixed;bottom:20px;right:20px;max-width:420px;z-index:50;padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;background:var(--primary-container);color:var(--on-surface);border:1px solid var(--outline);box-shadow:0 6px 24px #00000059}.flash.error{background:var(--danger-container);color:var(--danger);border-color:var(--danger)}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(420px,100%)}.steps{margin:0;padding-left:20px}.steps li{margin-bottom:8px}.tierbar{display:flex;gap:6px;margin:8px 0}.tierbar .t{flex:1;text-align:center;padding:6px 4px;border-radius:6px;font-size:12px;font-weight:700;background:var(--surface-low);color:var(--on-surface-dim);border:1px solid var(--outline)}.tierbar .t.on{background:var(--primary-container);color:var(--on-surface)}.msg{padding:8px 12px;border-radius:10px;background:var(--surface-high);max-width:85%}.msg.mine{margin-left:auto;background:var(--primary-container)}.msg .lbl{font-size:11px;color:var(--on-surface-dim);margin-top:2px}hr.sep{border:0;border-top:1px solid var(--outline);margin:14px 0}@media (max-width: 760px){.shell{flex-direction:column}.nav{width:100%;flex-direction:row;overflow-x:auto;align-items:center;padding:10px 12px}.nav .brand{padding:0 12px 0 0;white-space:nowrap}.nav a{white-space:nowrap}.nav .spacer{display:none}}