:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#eef2f7;--surface:#fff;--text:#172033;--muted:#667085;--line:#d9e0eb;--accent:#007a7a;--accent-strong:#005f62;--warning:#b35c00;--danger:#bb2a3b;--shadow:0 24px 70px #10182824}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:linear-gradient(135deg, #007a7a1f, transparent 34%), linear-gradient(315deg, #f8b5002e, transparent 38%), var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}button{font:inherit}.gate-shell{place-items:center;min-height:100vh;padding:clamp(18px,3vw,42px);display:grid}.gate-display{width:min(100%,1180px);min-height:min(820px,100vh - 48px);box-shadow:var(--shadow);background:#fffffff0;border:1px solid #d9e0ebe6;grid-template-rows:auto 1fr auto;gap:clamp(18px,3vh,34px);padding:clamp(20px,3vw,44px);display:grid}.gate-header,.gate-footer{justify-content:space-between;align-items:center;gap:20px;display:flex}.eyebrow{color:var(--accent-strong);letter-spacing:0;text-transform:uppercase;margin:0 0 8px;font-size:14px;font-weight:700}h1{letter-spacing:0;margin:0;font-size:clamp(40px,7vw,86px);line-height:.95}.status-pill{border:1px solid var(--line);min-width:148px;min-height:44px;color:var(--muted);white-space:nowrap;justify-content:center;align-items:center;gap:10px;padding:10px 16px;font-weight:700;display:inline-flex}.status-pill.ready{color:var(--accent-strong);background:#007a7a14;border-color:#007a7a3d}.status-pill.warning{color:var(--warning);background:#ffe8c0cc;border-color:#b35c003d}.status-dot{background:currentColor;border-radius:999px;width:10px;height:10px}.qr-stage{border:1px solid var(--line);background:#f8fafc;place-items:center;min-height:0;padding:clamp(16px,3vw,36px);display:grid;position:relative}.qr-used-warning{min-height:72px;color:var(--warning);background:#fff7e8f5;border:1px solid #b35c0057;gap:4px;padding:14px 18px;display:grid;position:absolute;inset:auto clamp(18px,3vw,36px) clamp(18px,3vw,36px);box-shadow:0 14px 34px #10182829}.qr-used-warning strong{font-size:18px}.qr-used-warning span{color:#5b3b12;font-size:16px;font-weight:700}.qr-code{aspect-ratio:1;background:#fff;border:1px solid #cfd8e5;place-items:center;width:min(78vh,72vw,620px);padding:clamp(16px,3vw,28px);display:grid}.qr-code svg{width:100%;height:100%;display:block}.qr-placeholder{aspect-ratio:1;width:min(78vh,72vw,620px);color:var(--muted);text-align:center;background:#fff;border:1px dashed #a9b6c8;place-items:center;padding:28px;font-size:clamp(22px,3vw,34px);font-weight:700;display:grid}.qr-placeholder.error{color:var(--danger);align-content:center;gap:12px}.qr-placeholder.error span{max-width:420px;color:var(--muted);font-size:18px;font-weight:500}.gate-metrics{flex:1;grid-template-columns:repeat(3,minmax(150px,1fr));gap:12px;margin:0;display:grid}.gate-metrics div{border:1px solid var(--line);background:#fff;min-height:70px;padding:12px 14px}.gate-metrics dt{color:var(--muted);letter-spacing:0;text-transform:uppercase;margin:0 0 8px;font-size:13px;font-weight:700}.gate-metrics dd{overflow-wrap:anywhere;margin:0;font-size:clamp(18px,2vw,26px);font-weight:800}.refresh-button{background:var(--accent);color:#fff;cursor:pointer;border:0;min-width:132px;min-height:70px;padding:0 24px;font-weight:800}.refresh-button:hover:not(:disabled),.refresh-button:focus-visible:not(:disabled){background:var(--accent-strong)}.refresh-button:disabled{cursor:wait;opacity:.72}@media (max-width:760px){.gate-display{min-height:calc(100vh - 28px)}.gate-header,.gate-footer{flex-direction:column;align-items:stretch}.status-pill,.refresh-button{width:100%}.gate-metrics{grid-template-columns:1fr}.qr-code,.qr-placeholder{width:min(82vw,520px)}}