:root{--bg: #0b1220;--bg-card: #111a2e;--bg-input: #0e1729;--border: #24324d;--text: #e2e8f0;--muted: #94a3b8;--primary: #38bdf8;--primary-dark: #0ea5e9;--on-primary: #0b1220;--header-bg: rgba(11, 18, 32, .92);--video-bg: #000;--ok: #22c55e;--ok-bg: rgba(34, 197, 94, .14);--warn: #f59e0b;--warn-bg: rgba(245, 158, 11, .14);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .14);--radius: 14px;font-size:16px}[data-theme=light]{--bg: #eef2f7;--bg-card: #ffffff;--bg-input: #f1f5f9;--border: #d5dce7;--text: #0f172a;--muted: #5b6b83;--primary: #0284c7;--primary-dark: #0369a1;--on-primary: #ffffff;--header-bg: rgba(238, 242, 247, .92);--video-bg: #0b1220;--ok: #16a34a;--ok-bg: rgba(22, 163, 74, .12);--warn: #d97706;--warn-bg: rgba(217, 119, 6, .12);--danger: #dc2626;--danger-bg: rgba(220, 38, 38, .12)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent;transition:background .2s ease,color .2s ease}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 18px;background:var(--header-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header-controls{display:flex;align-items:center;gap:8px}.icon-btn{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--border);background:var(--bg-input);color:var(--muted);cursor:pointer;transition:color .15s ease,border-color .15s ease}.icon-btn:hover{color:var(--primary);border-color:var(--primary)}.icon-btn svg{width:18px;height:18px}[data-theme=dark] .icon-sun,[data-theme=light] .icon-moon,.icon-btn.sound-off .icon-sound-on{display:none}.icon-btn:not(.sound-off) .icon-sound-off{display:none}.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:var(--on-primary);font-weight:900;font-size:18px}.brand h1{margin:0;font-size:17px;font-weight:700;letter-spacing:.02em}.brand em{font-style:normal;color:var(--primary)}.conn{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.dot{width:9px;height:9px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 3px #ef444433}.dot.online{background:var(--ok);box-shadow:0 0 0 3px #22c55e33}main{max-width:520px;margin:0 auto;padding:16px 16px 40px;display:grid;gap:16px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.card h2{margin:0 0 6px;font-size:15px;display:flex;align-items:center;gap:10px}.step{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#38bdf826;color:var(--primary);font-size:13px;font-weight:700}.hint{margin:0 0 14px;font-size:13px;color:var(--muted);line-height:1.5}.field{display:block;margin-bottom:12px}.field span{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.field input{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--border);background:var(--bg-input);color:var(--text);font-size:14px}.field input:focus{outline:none;border-color:var(--primary)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pair-row{display:flex;gap:12px;align-items:flex-end;margin-top:12px}.pair-row .field{flex:1}.pair-row .btn{width:auto;padding:13px 20px;flex-shrink:0}.field select{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--border);background:var(--bg-input);color:var(--text);font-size:14px}.field select:focus{outline:none;border-color:var(--primary)}.event-picker{margin:14px 0;padding:14px;border-radius:12px;border:1px dashed var(--border);background:var(--bg-input)}.btn-secondary{background:var(--bg-input);border-color:var(--primary);color:var(--primary)}.btn{width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--border);background:var(--bg-input);color:var(--text);font-size:15px;font-weight:600;cursor:pointer;transition:transform .05s ease,filter .15s ease}.btn:active{transform:scale(.99)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:var(--on-primary);border:none;margin-top:4px}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:transparent}.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}.scan-actions{display:flex;gap:10px;margin-top:12px}.scan-actions .btn{flex:1;margin-top:0}.status{margin:10px 0 0;font-size:13px;color:var(--muted);min-height:18px;word-break:break-word}.status.error{color:var(--danger)}.status.ok{color:var(--ok)}.queue-status{margin:10px 0 0;font-size:12px;min-height:16px}.queue-status.synced{color:var(--ok)}.queue-status.pending{color:var(--primary)}.queue-status.offline{color:var(--danger)}.summary{margin-top:14px;padding:12px;border-radius:10px;background:#38bdf814;border:1px solid rgba(56,189,248,.25);font-size:13px;line-height:1.6}.summary b{color:var(--primary)}.advanced{margin-top:14px;border:1px solid var(--border);border-radius:12px;background:var(--bg-card);overflow:hidden}.advanced summary{cursor:pointer;padding:12px 14px;font-size:13px;font-weight:600;color:var(--muted);-webkit-user-select:none;user-select:none;list-style:none;display:flex;align-items:center;gap:8px}.advanced summary::-webkit-details-marker{display:none}.advanced summary:before{content:"";width:7px;height:7px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);transition:transform .15s ease;flex-shrink:0}.advanced[open] summary:before{transform:rotate(45deg)}.advanced-body{padding:14px;border-top:1px solid var(--border)}.advanced-actions{display:flex;gap:10px;margin-top:12px}.advanced-actions .btn{flex:1}.mode-toggle{display:flex;gap:6px;margin:0 0 12px;padding:4px;border-radius:12px;background:var(--bg-input);border:1px solid var(--border)}.mode-btn{flex:1;padding:9px 12px;border:none;border-radius:9px;background:transparent;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer;transition:background .15s ease,color .15s ease}.mode-btn:hover{color:var(--text)}.mode-btn.active{background:var(--primary);color:#fff}.mode-btn.hidden{display:none}.video-wrap{position:relative;width:100%;aspect-ratio:1 / 1;border-radius:12px;overflow:hidden;background:var(--video-bg);margin-bottom:12px}.video-wrap video{width:100%;height:100%;object-fit:cover}.scanline{position:absolute;left:8%;right:8%;top:0;height:3px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent);box-shadow:0 0 14px var(--primary);animation:scan 2s linear infinite}@keyframes scan{0%{top:4%}50%{top:94%}to{top:4%}}.camera-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;color:var(--muted);font-size:13px;margin:0}.result{margin-top:12px;padding:16px;border-radius:12px;font-size:15px;text-align:center}.result .big{font-size:26px;font-weight:800;letter-spacing:.02em;display:block;margin-bottom:4px}.result .sub{font-size:13px;opacity:.85;word-break:break-word}.result.valid{background:var(--ok-bg);border:1px solid rgba(34,197,94,.4);color:var(--ok)}.result.already_used{background:var(--warn-bg);border:1px solid rgba(245,158,11,.4);color:var(--warn)}.result.invalid{background:var(--danger-bg);border:1px solid rgba(239,68,68,.4);color:var(--danger)}.log-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:4px}.empty{color:var(--muted);font-size:13px;text-align:center;padding:12px 0}.log-list{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px;max-height:320px;overflow-y:auto}.log-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;background:var(--bg-input);border:1px solid var(--border);font-size:13px}.log-item .meta{display:flex;flex-direction:column;gap:2px;min-width:0}.log-item .time{color:var(--muted);font-size:12px}.log-item .pill{flex-shrink:0;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:4px 8px;border-radius:999px}.pill.valid{background:var(--ok-bg);color:var(--ok)}.pill.already_used{background:var(--warn-bg);color:var(--warn)}.pill.invalid_signature{background:var(--danger-bg);color:var(--danger)}.pill.synced{background:#38bdf826;color:var(--primary)}.pill.pending{background:#94a3b826;color:var(--muted)}.app-footer{padding:10px 18px 22px;text-align:center;color:var(--muted);font-size:12px}.hidden{display:none!important}@media(max-width:420px){.grid{grid-template-columns:1fr}}