:root{--cyan: #00aeef;--cyan-deep: #159cea;--cyan-ink: #0a7fb0;--cyan-dim: rgba(0, 174, 239, .12);--cyan-glow: rgba(0, 174, 239, .35);--ink: #0a0e14;--ink-2: #10151d;--ink-line: rgba(255, 255, 255, .08);--ink-soft: rgba(255, 255, 255, .55);--ink-mute: rgba(255, 255, 255, .4);--paper: #eef2f7;--surface: #ffffff;--text: #16202e;--muted: #64748b;--line: #e2e8f1;--line-strong: #cdd8e6;--danger: #e5484d;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(16, 32, 54, .06), 0 12px 32px -12px rgba(16, 32, 54, .18);--display: "Inter", system-ui, sans-serif;--mono: "JetBrains Mono", ui-monospace, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--display);color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}#root:before{content:"";position:fixed;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--cyan-deep) 55%,transparent);z-index:100}.app{display:grid;grid-template-columns:268px 1fr;min-height:100vh}.rail{position:sticky;top:0;align-self:start;height:100vh;background:radial-gradient(120% 60% at 100% 0%,rgba(0,174,239,.12),transparent 60%),linear-gradient(180deg,var(--ink-2),var(--ink));border-right:1px solid var(--ink-line);color:var(--ink-soft);display:flex;flex-direction:column;padding:22px 18px;overflow:hidden}.brand-chip{background:#fff;border-radius:10px;padding:14px 16px;display:flex;align-items:center;box-shadow:0 8px 24px -12px #0009}.brand-chip img{height:30px;width:auto;display:block}.rail-tag{margin-top:14px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);font-weight:600;display:flex;align-items:center;gap:8px}.rail-tag:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px var(--cyan-dim)}.rail-spacer{flex:1}.rail-deco{height:96px;margin:0 -18px -22px;background-image:linear-gradient(var(--ink-line) 1px,transparent 1px),linear-gradient(90deg,var(--ink-line) 1px,transparent 1px);background-size:22px 22px;transform:skewY(-6deg) translateY(20px);opacity:.6;mask-image:linear-gradient(180deg,transparent,#000);-webkit-mask-image:linear-gradient(180deg,transparent,#000)}.rail-foot{font-size:11px;color:var(--ink-mute);margin-top:18px;line-height:1.5}.main{min-width:0;display:flex;flex-direction:column}.topbar{height:64px;display:flex;align-items:center;padding:0 34px;border-bottom:1px solid var(--line);background:#ffffffb3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}.crumb{font-size:13px;color:var(--muted)}.crumb b{color:var(--text);font-weight:600}.content{padding:34px;max-width:720px;width:100%;margin:0 auto}.page-head{margin-bottom:22px}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan-ink);font-weight:700;margin-bottom:8px}h1.title{font-size:30px;font-weight:800;letter-spacing:-.02em;margin:0;line-height:1.1}.sub{color:var(--muted);margin:8px 0 0;font-size:15px;max-width:60ch}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card+.card{margin-top:18px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:999px;background:linear-gradient(180deg,var(--cyan),var(--cyan-deep));color:#fff;font-family:var(--display);font-weight:600;font-size:14px;padding:11px 22px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;box-shadow:0 6px 18px -6px var(--cyan-glow);transition:transform .12s,box-shadow .15s,filter .15s}.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px -8px var(--cyan-glow)}.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;filter:grayscale(.3);transform:none}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line-strong);box-shadow:none}.btn.secondary:hover{border-color:var(--cyan);color:var(--cyan-ink)}.btn.ghost{background:transparent;color:var(--muted);box-shadow:none;padding:11px 14px}.btn.ghost:hover{color:var(--text)}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}.field>label{font-size:13px;font-weight:600;color:var(--text)}.field input[type=text]{font-family:var(--display);font-size:14px;color:var(--text);padding:10px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);width:100%;transition:border-color .15s,box-shadow .15s}.field input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px var(--cyan-dim)}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);font-size:13px;font-weight:500;color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .14s}.chip:hover{border-color:var(--cyan)}.chip.on{background:var(--cyan-dim);border-color:var(--cyan);color:var(--cyan-ink);font-weight:600}.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--line-strong)}.chip.on .dot{background:var(--cyan);box-shadow:0 0 0 3px var(--cyan-dim)}.issue{color:var(--danger);font-size:12.5px;margin:-8px 0 14px;display:flex;align-items:center;gap:6px}.issue:before{content:"!";display:inline-grid;place-items:center;width:15px;height:15px;border-radius:50%;background:var(--danger);color:#fff;font-size:10px;font-weight:700}.muted{color:var(--muted)}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}@media (max-width: 900px){.app{grid-template-columns:1fr}.rail{position:static;height:auto;flex-direction:row;align-items:center;gap:16px}.rail-deco,.rail-foot,.rail-spacer,.rail-tag{display:none}}