:root{--bg: #0b1220;--surface: #131c2e;--surface-2: #1c2740;--text: #f5f7fa;--text-dim: #9fb0c8;--line: #2c3a55;--primary: #2e7d32;--primary-press: #1b5e20;--accent: #1f6feb;--danger: #d32f2f;--warn: #ed6c02;--ok: #2e7d32;--radius: 14px;--tap: 56px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:Malgun Gothic,맑은 고딕,system-ui,-apple-system,sans-serif;font-size:18px;line-height:1.5;-webkit-text-size-adjust:100%;overscroll-behavior:none}#app{min-height:100%;display:flex;flex-direction:column}.screen{flex:1;display:flex;flex-direction:column;padding:max(16px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom));gap:16px}.screen-header{display:flex;align-items:center;gap:12px}.screen-header h1{font-size:22px;margin:0;flex:1}.spacer{flex:1}.hint{color:var(--text-dim);font-size:15px}.btn{appearance:none;border:2px solid transparent;border-radius:var(--radius);background:var(--surface-2);color:var(--text);font-size:19px;font-weight:700;min-height:var(--tap);padding:14px 20px;cursor:pointer;touch-action:manipulation;display:inline-flex;align-items:center;justify-content:center;gap:10px}.btn:active{transform:translateY(1px)}.btn-block{width:100%}.btn-primary{background:var(--primary);color:#fff}.btn-primary:active{background:var(--primary-press)}.btn-accent{background:var(--accent);color:#fff}.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}.btn-danger{background:transparent;border-color:var(--danger);color:#ff8a80}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-xl{min-height:72px;font-size:22px}.btn-sm{min-height:44px;font-size:15px;padding:8px 14px}.home{align-items:stretch;justify-content:center;text-align:center}.home .logo{font-size:72px;line-height:1}.home h1{font-size:26px;margin:8px 0 4px}.counter{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums}.counter small{color:var(--text-dim);font-size:18px;font-weight:600}#reader{width:100%;border-radius:var(--radius);overflow:hidden;background:#000;border:2px solid var(--line)}#reader video{width:100%!important;height:auto!important;display:block}.scan-status{display:flex;align-items:center;gap:10px;font-weight:700;padding:10px 14px;border-radius:var(--radius);background:var(--surface);border:2px solid var(--line)}.scan-status .dot{width:14px;height:14px;border-radius:50%;background:var(--text-dim)}.scan-status.live .dot{background:var(--ok);box-shadow:0 0 0 4px #2e7d3240;animation:pulse 1.2s infinite}.scan-status.paused .dot{background:var(--warn)}@keyframes pulse{50%{opacity:.4}}.list{list-style:none;margin:0;padding:0;flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:8px;-webkit-overflow-scrolling:touch}.list li{display:flex;align-items:center;gap:12px;background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);padding:12px 14px}.list li.just-added{border-color:var(--ok);animation:flash .6s ease-out}@keyframes flash{0%{background:#2e7d3259}}.list li .idx{color:var(--text-dim);font-weight:700;min-width:30px}.list li .num{flex:1;font-size:19px;font-weight:700;word-break:break-all}.list-empty{color:var(--text-dim);text-align:center;padding:24px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-weight:700;font-size:16px}.field label .req{color:#ff8a80}.field .sub{color:var(--text-dim);font-size:14px}input,select{appearance:none;width:100%;min-height:var(--tap);background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);color:var(--text);font-size:19px;padding:12px 14px;font-family:inherit}select{background-image:linear-gradient(45deg,transparent 50%,var(--text-dim) 50%),linear-gradient(135deg,var(--text-dim) 50%,transparent 50%);background-position:calc(100% - 20px) center,calc(100% - 14px) center;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px}input:focus,select:focus{outline:none;border-color:var(--accent)}.field.invalid input,.field.invalid select{border-color:var(--danger)}.field .err{color:#ff8a80;font-size:14px;min-height:1.2em}.lot-preview{background:var(--surface-2);border:2px dashed var(--line);border-radius:var(--radius);padding:14px;text-align:center}.lot-preview .label{color:var(--text-dim);font-size:14px}.lot-preview .value{font-size:24px;font-weight:800;letter-spacing:.5px;word-break:break-all}.actionbar{display:flex;gap:10px;padding-top:4px}.actionbar .btn{flex:1}.modal-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;background:#000000c7;backdrop-filter:blur(2px)}.modal-card{width:100%;max-width:460px;background:var(--surface);border-radius:20px;border:3px solid var(--line);padding:28px 22px;text-align:center;animation:pop .18s ease-out}@keyframes pop{0%{transform:scale(.9);opacity:0}}.modal-error .modal-card{border-color:var(--danger);box-shadow:0 0 0 4px #d32f2f4d}.modal-warn .modal-card{border-color:var(--warn)}.modal-icon{font-size:56px;line-height:1;margin-bottom:8px}.modal-error .modal-icon{color:#ff5252}.modal-warn .modal-icon{color:var(--warn)}.modal-title{font-size:24px;margin:6px 0}.modal-message{font-size:19px;color:var(--text);word-break:break-all;margin:8px 0 22px}.modal-confirm{width:100%;background:var(--danger);color:#fff;min-height:64px;font-size:21px}.modal-warn .modal-confirm{background:var(--warn)}.modal-info .modal-confirm{background:var(--accent)}.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%,20px);background:#000;color:#fff;border:1px solid var(--line);padding:12px 20px;border-radius:999px;font-weight:700;opacity:0;transition:all .25s;z-index:1100;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%)}.recover-box{background:var(--surface-2);border:2px solid var(--accent);border-radius:var(--radius);padding:16px;text-align:left}.recover-box h3{margin:0 0 6px}.gate-screen{min-height:100%;flex:1;display:flex;align-items:center;justify-content:center;padding:max(20px,env(safe-area-inset-top)) 18px max(20px,env(safe-area-inset-bottom))}.gate-card{width:100%;max-width:420px;text-align:center}.gate-card.shake{animation:gate-shake .4s}@keyframes gate-shake{0%,to{transform:translate(0)}20%{transform:translate(-12px)}40%{transform:translate(12px)}60%{transform:translate(-8px)}80%{transform:translate(8px)}}.gate-logo{font-size:56px;line-height:1}.gate-title{font-size:24px;margin:6px 0 2px}.gate-sub{color:var(--text-dim);margin:0 0 18px;font-size:17px}.gate-dots{display:flex;gap:18px;justify-content:center;margin:8px 0 26px}.gate-dot{width:18px;height:18px;border-radius:50%;border:2px solid var(--line);background:transparent}.gate-dot.on{background:var(--ok);border-color:var(--ok);box-shadow:0 0 0 4px #2e7d3240}.gate-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.gate-key{appearance:none;border:2px solid var(--line);background:var(--surface);color:var(--text);font-size:28px;font-weight:800;min-height:72px;border-radius:16px;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.gate-key:active{background:var(--surface-2);transform:translateY(1px)}.gate-key-empty{visibility:hidden}.gate-key-back{font-size:24px;color:var(--text-dim)}.gate-hint{color:var(--text-dim);font-size:15px;margin-top:22px}.screen-scan{height:100vh;height:100dvh;max-height:100dvh;overflow:hidden;gap:12px}.screen-scan .screen-header,.screen-scan .scan-status,.screen-scan #reader,.screen-scan>.btn{flex:0 0 auto}.screen-scan #reader{max-height:44vh}.screen-scan #reader video{height:44vh!important;object-fit:cover}.screen-scan .list{flex:1 1 0;min-height:0;overflow-y:auto}