:root{--op-brand: #1b4dff;--op-brand-2: #4d7cff;--op-ink: #0a1120;--op-ink2: #3a465c;--op-muted: #66748c;--op-faint: #9aa6bd;--op-line: #e7ebf3;--op-line2: #f0f3f9;--op-panel: #ffffff;--op-bg: #f4f6fb;--op-red: #e5352b;--op-amber: #f0870a;--op-green: #0fb872;--op-red-s: #fdece9;--op-amber-s: #fff3e2;--op-green-s: #e4f8ef;--op-brand-s: #edf1ff;--op-sh-s: 0 1px 2px rgba(13, 28, 60, .06);--op-sh-m: 0 6px 20px -8px rgba(13, 28, 60, .16);--op-sh-l: 0 20px 48px -16px rgba(13, 28, 60, .24);--brand: var(--op-brand);--brand-d: #1540c9;--navy: #14328f;--navy-2: #0e2569;--green: var(--op-green);--green-d: #0a7a4b;--bg: var(--op-bg);--card: var(--op-panel);--text: var(--op-ink);--muted: var(--op-muted);--line: var(--op-line);--red: var(--op-red);--amber: var(--op-amber);--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%}body{margin:0;font-family:Geist,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);overscroll-behavior-y:none;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}.app{min-height:100%;display:flex;flex-direction:column}.topbar{background:linear-gradient(140deg,var(--op-brand),var(--op-brand-2));color:#fff;padding:calc(var(--safe-t) + 14px) 18px 14px;display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:20;box-shadow:0 6px 18px -6px #1b4dff80}.topbar h1{font-size:17px;margin:0;font-weight:700;letter-spacing:-.01em}.topbar .sub{font-size:12px;opacity:.85}.content{flex:1;padding:16px 16px calc(84px + var(--safe-b));animation:fade .25s ease}@keyframes fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.card{background:var(--card);border-radius:16px;padding:16px;border:1px solid var(--line);box-shadow:var(--op-sh-s),var(--op-sh-m);margin-bottom:14px}.card h2{font-size:11.5px;font-weight:700;margin:0 0 12px;text-transform:uppercase;letter-spacing:.07em;color:var(--op-faint)}.muted{color:var(--muted)}.small{font-size:13px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.stack{display:flex;flex-direction:column;gap:10px}.check-section-header{position:sticky;top:calc(var(--safe-t) + 58px);z-index:10;background:var(--card);padding:8px 10px;border:1px solid var(--line);border-radius:10px}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:none;border-radius:14px;padding:16px;font-size:16px;font-weight:600;cursor:pointer;background:var(--card);color:var(--text);box-shadow:0 1px 3px #0d1c3c14;transition:transform .12s ease,box-shadow .12s ease}.btn:active{transform:scale(.98)}.btn.primary{background:linear-gradient(140deg,var(--op-brand),var(--op-brand-2));color:#fff;box-shadow:0 6px 16px -6px #1b4dff8c}.btn.navy{background:var(--navy);color:#fff}.btn.safe{background:var(--green);color:#fff}.btn.ghost{background:transparent;box-shadow:none;color:var(--muted)}.btn.lg{padding:20px;font-size:17px}.btn:disabled{opacity:.5}.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tile{background:var(--card);border-radius:16px;padding:18px 14px;text-align:left;border:1px solid var(--line);box-shadow:0 1px 2px #0d1c3c0f,0 8px 20px -10px #0d1c3c24;cursor:pointer;display:flex;flex-direction:column;gap:10px;min-height:96px}.tile:active{transform:scale(.98)}.tile .ico{font-size:26px}.tile .lbl{font-weight:600;font-size:15px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.input,select.input,textarea.input{width:100%;border:1px solid var(--line);border-radius:12px;padding:14px;font-size:16px;background:#fff;color:var(--text)}.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #1b4dff1f}.item{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.item:last-child{border-bottom:none}.item .ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(140deg,#eef2fb,#e3eafa);border:1px solid #e4ebf7;color:var(--brand);font-size:20px}.item .main{flex:1;min-width:0}.item .t{font-weight:700;font-size:15px;letter-spacing:-.01em}.item .s{font-size:12.5px;color:var(--muted);margin-top:1px;font-variant-numeric:tabular-nums}.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:600;border:1px solid transparent}.pill.green{background:var(--op-green-s);color:var(--green-d);border-color:#c6ecd8}.pill.red{background:var(--op-red-s);color:#bd271d;border-color:#f7d5cf}.pill.amber{background:var(--op-amber-s);color:#a85e08;border-color:#f6dcb4}.pill.blue{background:var(--op-brand-s);color:var(--brand);border-color:#d6e0ff}.pill.grey{background:#eef1f6;color:#64748b;border-color:#e2e8f0}.nav{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);display:flex;padding:8px 8px calc(8px + var(--safe-b))}.nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px;color:var(--muted);font-size:11px;font-weight:600}.nav a .ico{font-size:22px}.nav a.on{color:var(--brand)}.auth{min-height:100%;display:flex;flex-direction:column;justify-content:center;padding:24px;background:linear-gradient(160deg,var(--navy),var(--brand))}.auth .brand{text-align:center;color:#fff;margin-bottom:24px}.auth .brand .name{font-size:26px;font-weight:800;letter-spacing:-.02em}.auth .brand .tag{opacity:.85;font-size:14px}.auth .panel{background:#fff;border-radius:20px;padding:22px;box-shadow:0 20px 48px -16px #0d1c3c66}.center{display:grid;place-items:center;min-height:60vh;text-align:center;padding:20px}.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.err{color:var(--red);font-size:14px;margin-top:8px}.ok{color:var(--green-d);background:var(--op-green-s);border:1px solid #c6ecd8;border-radius:14px;padding:14px;font-size:14px;margin-bottom:14px}.qr-video{display:block;width:100%;min-height:240px;object-fit:cover;border-radius:14px;background:#0a1120}.scan-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check-progress{height:7px;border-radius:999px;background:var(--op-line2);overflow:hidden}.check-progress span{display:block;height:100%;border-radius:inherit;background:var(--brand);transition:width .2s ease}.check-question{font-size:22px;line-height:1.25;font-weight:800;letter-spacing:-.02em;margin:24px 0}.check-answer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.check-answer{border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--muted);min-height:76px;font:inherit;font-weight:700;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.check-answer span{font-size:24px}.check-answer.selected{color:#fff;border-color:transparent}.check-answer.selected.pass{background:var(--green)}.check-answer.selected.defect{background:var(--red)}.check-answer.selected.na{background:var(--muted)}.check-nav{display:grid;grid-template-columns:1fr 2fr;gap:8px;margin-top:18px}