:root{--bg: #ffffff;--surface: #fbfbfc;--ink: #14181f;--ink-muted: #5b6472;--line: #e3e6eb;--accent: #1f5f8b;--good: #1c7c4a;--warn: #a86a00;--danger: #b3261e;--neutral: #5b6472;--radius: 10px;--gap: 14px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}:root[data-theme=dark]{--bg: #101318;--surface: #171b22;--ink: #e8ecf2;--ink-muted: #98a2b3;--line: #262c36;--accent: #5aa9dd;--good: #4ec27f;--warn: #e0a33a;--danger: #f2685e;--neutral: #98a2b3}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14.5px;line-height:1.5}.mono,.sum,.hash{font-family:var(--mono);font-variant-numeric:tabular-nums}a{color:var(--accent)}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.rail{border-right:1px solid var(--line);background:var(--surface);padding:18px 14px;display:flex;flex-direction:column;gap:18px}.rail-brand{font-weight:800;font-size:17px;text-decoration:none;color:var(--ink)}.rail-portal{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted)}.rail-items{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.nav-item{display:block;padding:9px 10px;border-radius:8px;color:var(--ink);text-decoration:none;min-height:44px;display:flex;align-items:center}.nav-item-active{background:color-mix(in srgb,var(--accent) 14%,transparent);font-weight:600}.nav-item-locked{color:var(--ink-muted);cursor:not-allowed}.lock{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--warn);margin-left:8px}.rail-org{margin-top:auto;font-size:12.5px;color:var(--ink-muted)}.rail-org-name{color:var(--ink);font-weight:600}.rail-training{margin-top:8px;padding:4px 8px;border-radius:6px;background:var(--warn);color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;display:inline-block}.main{padding:24px 28px}.page-state{padding:32px;color:var(--ink-muted)}.page-state-error{color:var(--danger)}.chooser{max-width:720px;margin:0 auto;padding:64px 24px}.chooser h1{font-size:30px;margin:0 0 4px}.chooser-org{color:var(--ink-muted);margin:0 0 28px}.chooser-list{list-style:none;padding:0;margin:0;display:grid;gap:var(--gap)}.chooser-card{display:block;padding:16px 18px;border-radius:var(--radius);border:1px solid var(--line);text-decoration:none;color:var(--ink)}.chooser-card:hover{border-color:var(--accent)}.chooser-title{display:block;font-weight:700;font-size:16px}.chooser-blurb{display:block;color:var(--ink-muted);font-size:13px;margin-top:2px}.chooser-verify{margin-top:32px;font-size:13px;color:var(--ink-muted)}.placeholder{max-width:620px}.placeholder-wave{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:6px}.placeholder h1{font-size:22px;margin:0 0 10px}.placeholder p{color:var(--ink-muted)}.placeholder-ref{font-size:12.5px}@media (max-width: 720px){.shell{grid-template-columns:1fr}.rail{border-right:none;border-bottom:1px solid var(--line)}.rail-items{flex-direction:row;flex-wrap:wrap}.main{padding:18px 16px}}