:root{--bg:#f4f6fa;--surface:#fff;--ink:#0f1e3d;--muted:#5a667e;--border:#e3e8f0;--brand:#14294f;--gold:#c9a227}@media (prefers-color-scheme:dark){:root{--bg:#080f1d;--surface:#0e1a30;--ink:#e9eef6;--muted:#93a2bc;--border:#1e3053;--brand:#3d6ac9;--gold:#d4af37}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:inherit}:root{--gold-soft:#f6efd8;--surface-2:#f7f9fc;--good:#15803d;--good-soft:#e4f5ea;--warn:#b45309;--warn-soft:#fbeedd;--crit:#c0392b;--crit-soft:#fbe7e4}@media (prefers-color-scheme:dark){:root{--gold-soft:#2a2413;--surface-2:#132441;--good:#3bd07e;--good-soft:#123324;--warn:#e0a34b;--warn-soft:#33260f;--crit:#ef6c5a;--crit-soft:#3a1b18}}.k-wrap{min-height:100vh;display:flex;flex-direction:column}.k-bar{display:flex;align-items:center;gap:16px;padding:14px 22px;background:var(--brand);color:#fff;border-bottom:3px solid var(--gold)}.k-bar .k-logo{width:30px;height:30px;border-radius:8px;background:var(--gold);display:grid;place-items:center;font-size:16px}.k-bar h1{font-size:18px;margin:0;font-weight:700;letter-spacing:-.01em}.k-tabs{display:flex;gap:6px;margin-left:8px}.k-tabs a{padding:7px 15px;border-radius:8px;font-weight:650;font-size:14px;text-decoration:none;color:rgba(255,255,255,.8)}.k-exit,.k-tabs a.on{background:#fff;color:var(--brand)}.k-exit{margin-left:auto;border:0;border-radius:8px;padding:8px 14px;font-weight:650;cursor:pointer;text-decoration:none}.k-body{flex:1 1;padding:26px;max-width:820px;margin:0 auto;width:100%}.k-prompt{font-size:26px;font-weight:750;letter-spacing:-.01em;margin:4px 0 14px}.k-scan{display:flex;gap:10px;border:2px solid var(--brand);border-radius:12px;padding:6px 6px 6px 16px;background:var(--surface-2);align-items:center}.k-scan input{flex:1 1;border:0;background:transparent;outline:none;font-size:22px;font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--ink);padding:12px 0}.k-btn{border:1px solid var(--brand);background:var(--brand);color:#fff;border-radius:9px;padding:12px 18px;font-weight:650;font-size:15px;cursor:pointer}.k-btn.ghost{background:transparent;color:var(--brand)}.k-btn.warn{background:var(--warn);border-color:var(--warn)}.k-btn:disabled{opacity:.5;cursor:not-allowed}.k-card{border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:15px 16px;margin-top:12px;display:flex;align-items:center;gap:14px}.k-card .seq{width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:750;flex:none;font-family:ui-monospace,monospace}.k-card .grow{flex:1 1}.k-card .loc{font-family:ui-monospace,monospace;font-weight:700}.k-sub{color:var(--muted);font-size:13px}.k-toast{margin-top:16px;padding:12px 15px;border-radius:10px;font-weight:650}.k-toast.ok{background:var(--good-soft);color:var(--good)}.k-toast.err{background:var(--crit-soft);color:var(--crit)}.k-field{display:flex;flex-direction:column;gap:6px;margin-top:14px}.k-field label{font-size:12px;font-weight:650;color:var(--muted)}.k-field input,.k-field select{padding:12px;border:1px solid var(--border);border-radius:9px;background:var(--surface-2);color:var(--ink);font-size:16px;font-family:inherit}.k-label{border:2px dashed var(--gold);border-radius:12px;padding:18px;margin-top:16px;background:var(--gold-soft)}.k-label .tn{font-family:ui-monospace,monospace;font-size:22px;font-weight:750}.k-pill{font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px}.k-pill.ok{background:var(--good-soft);color:var(--good)}.k-pill.no{background:var(--warn-soft);color:var(--warn)}.k-home{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-top:20px}.k-home a{border:1px solid var(--border);border-radius:14px;padding:26px;background:var(--surface);text-decoration:none;color:inherit}.k-home a:hover{border-color:var(--brand)}.k-home h2{margin:0 0 6px;font-size:19px}