:root{
  color-scheme:dark;
  --bg:#050505;
  --panel:rgba(10,10,10,.72);
  --line:rgba(255,255,255,.18);
  --text:#f6f6f6;
  --muted:#a7a7a7;
  --ok:#45e37f;
  --bad:#ff4e5b;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text)}
body.scanner-page{overflow:hidden;height:100dvh}
.camera-shell{position:relative;width:100%;height:100dvh;background:#000;overflow:hidden}
#video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;transform:scaleX(-1)}
#video.rear-camera{transform:none}
.camera-shell::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at center,transparent 0 30%,rgba(0,0,0,.05) 48%,rgba(0,0,0,.55) 100%)}
.topbar{position:absolute;z-index:5;top:max(16px,env(safe-area-inset-top));left:16px;right:16px;display:flex;align-items:center;gap:9px;padding:11px 13px;border:1px solid var(--line);border-radius:16px;background:rgba(0,0,0,.45);backdrop-filter:blur(14px);font-size:12px;font-weight:800;letter-spacing:.11em}
.brand-dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 16px rgba(255,255,255,.8)}
.flip-btn{margin-left:auto;width:auto;min-width:52px;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.14);font-size:10px;letter-spacing:.08em}
.state-pill{margin-left:0;font-size:10px;letter-spacing:.08em;color:#aaa;padding:5px 8px;border-radius:999px;background:rgba(255,255,255,.08)}
.state-pill.live{color:#b8ffce;background:rgba(69,227,127,.14)}
.scan-frame{position:absolute;z-index:3;left:50%;top:50%;width:min(92vw,520px);aspect-ratio:1;transform:translate(-50%,-50%);border-radius:28px;background:rgba(255,255,255,.015);box-shadow:0 0 0 9999px rgba(0,0,0,.14)}
.scan-frame>span{position:absolute;width:58px;height:58px;border-color:#fff;border-style:solid;filter:drop-shadow(0 1px 5px #000)}
.scan-frame>span:nth-child(1){left:0;top:0;border-width:4px 0 0 4px;border-radius:24px 0 0 0}
.scan-frame>span:nth-child(2){right:0;top:0;border-width:4px 4px 0 0;border-radius:0 24px 0 0}
.scan-frame>span:nth-child(3){right:0;bottom:0;border-width:0 4px 4px 0;border-radius:0 0 24px 0}
.scan-frame>span:nth-child(4){left:0;bottom:0;border-width:0 0 4px 4px;border-radius:0 0 0 24px}
.scan-line{position:absolute;left:8%;right:8%;height:2px;top:12%;background:linear-gradient(90deg,transparent,#fff,transparent);opacity:.8;box-shadow:0 0 13px #fff;animation:sweep 2.2s ease-in-out infinite alternate}
@keyframes sweep{to{top:88%}}
.bottom-hint{position:absolute;z-index:4;left:50%;bottom:max(22px,env(safe-area-inset-bottom));transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);padding:10px 14px;border-radius:999px;background:rgba(0,0,0,.55);border:1px solid var(--line);backdrop-filter:blur(12px);font-size:12px;color:#dedede}
.start-overlay{position:absolute;z-index:20;inset:0;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 42%,#171717 0,#080808 46%,#030303 100%)}
.start-overlay.hidden{display:none}
.start-card{width:min(420px,100%);text-align:center;padding:26px 22px;border:1px solid rgba(255,255,255,.12);border-radius:24px;background:rgba(18,18,18,.9);box-shadow:0 24px 80px rgba(0,0,0,.45)}
.start-logo{width:62px;height:62px;margin:0 auto 16px;display:grid;place-items:center;border-radius:18px;background:#fff;color:#000;font-weight:1000;letter-spacing:-.06em;font-size:21px}
.start-card h1{font-size:24px;margin:0 0 8px}.start-card p{margin:0 auto 20px;max-width:320px;color:var(--muted);line-height:1.5;font-size:14px}.start-card code{color:#fff;background:#252525;padding:2px 6px;border-radius:6px}
button{appearance:none;border:0;border-radius:14px;background:#fff;color:#050505;padding:13px 18px;font-weight:800;font-size:14px;cursor:pointer;width:100%}button:active{transform:translateY(1px)}
.small-note{margin-top:12px;color:#6f6f6f;font-size:11px}
.result-overlay{position:absolute;z-index:15;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none;opacity:0;transition:opacity .16s ease;background:rgba(0,0,0,.55);backdrop-filter:blur(5px)}
.result-overlay.show{opacity:1}.result-icon{display:grid;place-items:center;width:92px;height:92px;border-radius:50%;font-size:48px;font-weight:900;margin-bottom:18px}.result-title{font-weight:950;font-size:38px;letter-spacing:.07em}.result-sub{margin-top:8px;font-size:14px;color:#ddd}
.result-overlay.ok .result-icon{background:var(--ok);color:#051b0d;box-shadow:0 0 60px rgba(69,227,127,.35)}
.result-overlay.bad .result-icon{background:var(--bad);color:#210306;box-shadow:0 0 60px rgba(255,78,91,.35)}

/* PC page */
body.pc-page{min-height:100dvh;background:radial-gradient(circle at 50% 0,#181818 0,#080808 43%,#030303 100%);padding:28px}
.pc-wrap{width:min(900px,100%);margin:0 auto}.pc-head{display:flex;gap:14px;align-items:center;margin-bottom:22px}.pc-logo{width:48px;height:48px;border-radius:14px;background:#fff;color:#000;display:grid;place-items:center;font-weight:950}.pc-head h1{margin:0;font-size:22px}.pc-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.pc-status{margin-left:auto;display:flex;align-items:center;gap:7px;color:#aaa;font-size:12px}.pc-status i{display:block;width:8px;height:8px;border-radius:50%;background:#777}.pc-status.online i{background:var(--ok);box-shadow:0 0 14px rgba(69,227,127,.6)}
.pc-card{border:1px solid rgba(255,255,255,.1);background:rgba(18,18,18,.75);border-radius:22px;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.pc-actions{display:flex;gap:10px;align-items:center;margin-bottom:18px}.pc-actions button{width:auto;min-width:170px}.pc-actions .muted{color:var(--muted);font-size:12px}
.latest{min-height:190px;border:1px solid rgba(255,255,255,.08);border-radius:18px;background:#0a0a0a;display:grid;place-items:center;text-align:center;padding:24px;margin-bottom:16px}.latest.idle .big-check{background:#1b1b1b;color:#777}.big-check{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;background:var(--ok);color:#051b0d;font-size:38px;font-weight:900}.latest h2{margin:0;font-size:24px}.latest p{margin:7px 0 0;color:var(--muted);font-size:13px}.events-title{font-size:12px;color:#888;text-transform:uppercase;letter-spacing:.1em;font-weight:800;margin:4px 0 10px}.events{display:grid;gap:8px}.event{display:flex;align-items:center;gap:12px;border:1px solid rgba(255,255,255,.07);background:#0c0c0c;padding:12px 13px;border-radius:14px}.event-badge{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(69,227,127,.13);color:var(--ok);font-weight:900}.event-main{font-size:13px;font-weight:700}.event-time{margin-left:auto;color:#777;font-size:11px}.empty{color:#666;font-size:13px;padding:16px 4px}
@media(max-width:600px){body.pc-page{padding:18px}.pc-head{align-items:flex-start}.pc-status{margin-left:0}.pc-head{flex-wrap:wrap}.pc-actions{align-items:stretch;flex-direction:column}.pc-actions button{width:100%}}
.pc-status.error{border-color:rgba(255,90,90,.28);color:#ff8f8f;background:rgba(120,20,20,.18)}
.pc-status.error i{background:#ff6262;box-shadow:0 0 14px rgba(255,75,75,.7)}