:root{color-scheme:dark;--ink:#f5f7fb;--muted:#aab2c0;--accent:#7cf6c4;--danger:#ff7b86;--glass:rgba(16,21,29,.72)}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;min-height:100%;background:#080b10;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}button{font:inherit}body{min-height:100svh;overflow:hidden}.scanner{position:relative;min-height:100svh;background:radial-gradient(circle at 50% 35%,#1a2230 0,#080b10 60%)}.camera{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,6,9,.65),transparent 22%,transparent 70%,rgba(3,6,9,.88))}.topbar{position:absolute;z-index:3;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:max(18px,env(safe-area-inset-top)) 20px 12px;gap:10px}.pill{display:flex;align-items:center;gap:10px;background:var(--glass);border:1px solid rgba(255,255,255,.12);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-radius:999px;padding:10px 14px;font-weight:650}.camera-icon{width:20px;height:16px;border:2px solid var(--accent);border-radius:4px;position:relative}.camera-icon:before{content:"";position:absolute;left:5px;top:3px;width:6px;height:6px;border:2px solid var(--accent);border-radius:50%}.timer{font-variant-numeric:tabular-nums;color:#dfe5ee}.timer span{color:var(--muted);font-weight:500;font-size:.82rem}.scan-frame{position:absolute;z-index:2;left:50%;top:44%;translate:-50% -50%;width:min(72vw,390px);aspect-ratio:1;border-radius:26px;background:linear-gradient(var(--accent),var(--accent)) 0 0/42px 3px no-repeat,linear-gradient(var(--accent),var(--accent)) 0 0/3px 42px no-repeat,linear-gradient(var(--accent),var(--accent)) 100% 0/42px 3px no-repeat,linear-gradient(var(--accent),var(--accent)) 100% 0/3px 42px no-repeat,linear-gradient(var(--accent),var(--accent)) 0 100%/42px 3px no-repeat,linear-gradient(var(--accent),var(--accent)) 0 100%/3px 42px no-repeat,linear-gradient(var(--accent),var(--accent)) 100% 100%/42px 3px no-repeat,linear-gradient(var(--accent),var(--accent)) 100% 100%/3px 42px no-repeat;box-shadow:0 0 70px #7cf6c41a}.controls{position:absolute;z-index:4;left:0;right:0;bottom:0;padding:18px 22px max(24px,env(safe-area-inset-bottom));text-align:center}.instruction{max-width:480px;margin:0 auto 10px;color:#e8edf4;font-size:1rem;line-height:1.45;text-shadow:0 2px 14px #000}.disclosure{max-width:470px;margin:0 auto 18px;color:var(--muted);font-size:.84rem;line-height:1.4}.shutter{width:76px;height:76px;border-radius:50%;border:5px solid var(--ink);background:transparent;padding:6px;cursor:pointer;transition:.15s ease}.shutter span{display:block;width:100%;height:100%;border-radius:50%;background:var(--ink)}.shutter:hover{scale:1.04}.shutter:active{scale:.96}.shutter:disabled{opacity:.45;cursor:not-allowed}.state-panel{position:absolute;z-index:10;inset:0;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 25%,#17202c,#080b10 62%)}.state-card{width:min(100%,470px);text-align:center}.state-icon{width:72px;height:72px;margin:0 auto 22px;border-radius:22px;display:grid;place-items:center;background:#ff7b861f;color:var(--danger);border:1px solid rgba(255,123,134,.2);font-size:38px}h1{font-size:clamp(1.8rem,7vw,2.6rem);margin:0 0 14px;letter-spacing:-.04em}.state-card p{color:var(--muted);line-height:1.6;margin:0 0 26px;font-size:1rem}.primary{width:100%;border:0;border-radius:14px;padding:14px 18px;font-weight:700;cursor:pointer;background:var(--accent);color:#062318}.toast{position:absolute;z-index:20;left:50%;bottom:150px;translate:-50% 0;background:#090d12f0;border:1px solid rgba(255,255,255,.14);padding:12px 16px;border-radius:12px;white-space:nowrap;max-width:calc(100vw - 32px);overflow:hidden;text-overflow:ellipsis;box-shadow:0 12px 40px #0008}@media(min-width:760px){.topbar{padding:26px 32px}.controls{padding-bottom:34px}.scan-frame{top:46%}}@media(max-width:460px){.timer span{display:none}.pill{padding:10px 12px}}.scan-pulse{width:58px;height:58px;margin:0 auto;border-radius:50%;border:2px solid rgba(124,246,196,.35);display:grid;place-items:center;animation:pulse 1.5s ease-in-out infinite}.scan-pulse span{width:18px;height:18px;border-radius:50%;background:var(--accent);box-shadow:0 0 24px #7cf6c4cc}.success-panel{position:absolute;z-index:30;inset:0;display:grid;place-items:center;padding:24px;background:#050a0ee6;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.success-card{text-align:center}.success-icon{width:92px;height:92px;margin:0 auto 22px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#062318;font-size:54px;font-weight:900;box-shadow:0 0 60px #7cf6c459}.success-card h2{font-size:clamp(1.8rem,7vw,2.5rem);margin:0 0 12px}.success-card p{margin:0;color:#c8d2dc;font-size:1.05rem}@keyframes pulse{50%{scale:1.1;opacity:.65}}