:root{--bg: #0f172a;--panel: #1e293b;--ink: #e2e8f0;--muted: #94a3b8;--accent: #38bdf8;--ok: #22c55e;--warn: #f59e0b;--bad: #ef4444}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app-head{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;border-bottom:1px solid #334155;font-weight:600}.scanner-page{max-width:1000px;margin:0 auto;padding:24px 20px}.picker{display:flex;flex-direction:column;gap:16px;max-width:480px;margin:24px auto}label{display:flex;flex-direction:column;gap:6px;font-weight:600}select,input{padding:10px 12px;border-radius:8px;border:1px solid #334155;background:var(--panel);color:var(--ink);font-size:15px}button{padding:10px 16px;border-radius:8px;border:1px solid #334155;background:var(--panel);color:var(--ink);font-size:15px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}.btn-link{background:none;border:none;color:var(--accent);padding:0}.panel{background:var(--panel);border-radius:12px;padding:18px}.panel h2,.panel h3{margin-top:0}.muted{color:var(--muted);font-size:13px}.error{color:var(--bad)}.gate-btn{display:block;width:100%;margin:6px 0;text-align:left}.inline-form{display:flex;gap:8px;margin-top:10px}.inline-form input{flex:1}.scan-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 760px){.scan-grid{grid-template-columns:1fr}}.scanner-video{width:100%;border-radius:8px;margin:10px 0;background:#000}.camera-row{margin-top:10px}.scan-result{margin-top:14px;padding:14px;border-radius:10px;display:flex;flex-direction:column;gap:4px;font-size:18px}.scan-result.ok{background:#052e16;color:var(--ok);border:1px solid var(--ok)}.scan-result.warn{background:#431407;color:var(--warn);border:1px solid var(--warn)}.scan-result.bad{background:#450a0a;color:var(--bad);border:1px solid var(--bad)}.stats{display:flex;gap:18px;margin:0 0 16px}.stats div{background:var(--bg);padding:10px 14px;border-radius:8px;text-align:center}.stats dt{font-size:12px;color:var(--muted)}.stats dd{font-size:22px;font-weight:700;margin:4px 0 0}.scan-history{list-style:none;padding:0;margin:0;max-height:300px;overflow:auto}.scan-history li{display:flex;justify-content:space-between;padding:8px 10px;border-radius:6px;margin:4px 0;font-size:14px}.scan-history li.ok{background:#052e16}.scan-history li.warn{background:#431407}.scan-history li.bad{background:#450a0a}.scan-history code{font-size:12px;color:var(--muted)}