:root{--bg:#0b0f17;--card:#121a26;--muted:#9fb0c3;--text:#e9f1ff;--primary:#2f7dff;--danger:#ff3b5c;--border:rgba(255,255,255,.08)}*{box-sizing:border-box}html,body{height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}#root{height:100%}.app{height:100%;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:10;padding:14px 14px calc(14px + env(safe-area-inset-top));display:flex;align-items:center;justify-content:space-between;background:linear-gradient(180deg,#0b0f17fa,#0b0f17bf);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.title .h1{font-size:18px;font-weight:700}.title .sub{font-size:12px;color:var(--muted);margin-top:2px}.content{width:100%;max-width:560px;margin:0 auto;padding:14px;display:flex;flex-direction:column;gap:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:12px;box-shadow:0 8px 20px #00000040}.cardTitle{display:flex;align-items:center;justify-content:space-between;font-weight:700;margin-bottom:10px}.pill{font-size:11px;padding:4px 8px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}.pill-on{color:#bfe1ff;border-color:#2f7dff59}.pill-off{color:var(--muted)}.cameraCard .row{display:flex;gap:10px;margin-top:10px}.videoWrap{position:relative;width:100%;aspect-ratio:3/4;border-radius:14px;overflow:hidden;border:1px solid var(--border);background:#000}.video{width:100%;height:100%;object-fit:cover}.videoOverlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:16px;text-align:center;color:#fffc;background:linear-gradient(180deg,#00000059,#0000008c);font-weight:600}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:12px;padding:12px 14px;font-weight:700;color:var(--text);cursor:pointer}.btn-primary{background:var(--primary)}.btn-danger{background:var(--danger)}.btn-ghost{flex:1;background:transparent;border:1px solid var(--border);color:var(--text)}.btn:disabled{opacity:.6;cursor:not-allowed}.form{display:flex;flex-direction:column;gap:10px}label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted)}input{border-radius:12px;border:1px solid var(--border);background:#ffffff08;color:var(--text);padding:12px;font-size:14px;outline:none}input:focus{border-color:#2f7dff80}.error{margin-top:10px;padding:10px 12px;border-radius:12px;border:1px solid rgba(255,59,92,.35);background:#ff3b5c14;color:#ffdce4f2;font-size:13px}.empty{color:var(--muted);font-size:14px;padding:8px 2px}.list{display:flex;flex-direction:column;gap:8px}.item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:#ffffff05}.code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:14px;word-break:break-all}.iconBtn{width:36px;height:36px;border-radius:12px;border:1px solid var(--border);background:#ffffff08;color:var(--text);font-weight:900;cursor:pointer}.footer{padding:10px 14px calc(10px + env(safe-area-inset-bottom));color:var(--muted);font-size:12px;text-align:center}.scanZone{position:absolute;left:0;right:0;top:50%;height:40px;transform:translateY(-50%);border-top:2px dashed rgba(47,125,255,.9);border-bottom:2px dashed rgba(47,125,255,.9);pointer-events:none}.scanLine{position:absolute;top:50%;left:0;right:0;height:2px;background:#2f7dff;transform:translateY(-50%)}.modalBackdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;padding:18px;z-index:9999}.modalCard{width:100%;max-width:420px;background:#121a26;border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:14px;box-shadow:0 12px 30px #00000059}.modalTitle{font-weight:800;margin-bottom:10px;font-size:16px}.modalCode{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:18px;padding:12px;border-radius:14px;border:1px solid rgba(255,255,255,.1);background:#ffffff08;word-break:break-all}.modalActions{display:flex;gap:10px;margin-top:12px}.modalActions .btn{flex:1}