:root{--tx-void: #070a12;--tx-surface: #0e1320;--tx-raised: #161d2e;--tx-line: #242d42;--tx-ink: #e8ecf5;--tx-ink-dim: #9aa5bd;--tx-ink-faint: #7b849e;--tx-accent: #6ea8fe;--tx-accent-ink: #08111f;--tx-good: #4ade80;--tx-warn: #fbbf24;--tx-bad: #f87171;--tx-radius: 10px;--tx-gap: 1rem;--tx-font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--tx-mono: ui-monospace, "Cascadia Code", "Consolas", monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--tx-void);color:var(--tx-ink);font-family:var(--tx-font);line-height:1.5;-webkit-font-smoothing:antialiased}:focus-visible{outline:2px solid var(--tx-accent);outline-offset:2px}button,input,textarea,select{font:inherit;color:inherit}a{color:var(--tx-accent)}.tx-shell{display:grid;grid-template-rows:auto 1fr;min-height:100%}.tx-header{display:flex;align-items:center;gap:var(--tx-gap);padding:.75rem 1.25rem;border-bottom:1px solid var(--tx-line);background:var(--tx-surface)}.tx-wordmark{font-family:var(--tx-mono);font-size:.95rem;letter-spacing:.08em;color:var(--tx-ink);text-decoration:none}.tx-nav{margin-left:auto;display:flex;gap:1rem}.tx-nav a{color:var(--tx-ink-dim);text-decoration:none;font-size:.9rem}.tx-nav a[aria-current=page]{color:var(--tx-ink)}.tx-main{padding:2rem 1.25rem}.tx-centred{max-width:46rem;margin:0 auto}.tx-card{background:var(--tx-surface);border:1px solid var(--tx-line);border-radius:var(--tx-radius);padding:1.25rem}.tx-muted{color:var(--tx-ink-dim)}.tx-faint{color:var(--tx-ink-faint);font-size:.85rem}