*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f7f8fa;--surface: #ffffff;--surface-2: #f0f2f5;--border: #e4e7ec;--border-subtle: #f0f2f5;--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--accent: #16a34a;--accent-light: #dcfce7;--accent-hover: #15803d;--danger: #dc2626;--danger-light: #fee2e2;--warning: #d97706;--warning-light: #fef3c7;--blue: #2563eb;--blue-light: #dbeafe;--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow: 0 4px 16px rgba(0,0,0,.07), 0 1px 3px rgba(0,0,0,.05);--font: "DM Sans", sans-serif;--mono: "DM Mono", monospace}html,body,#root{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text-primary);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}button{font-family:var(--font);cursor:pointer}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13.5px;font-weight:500;border:none;transition:all .15s ease;cursor:pointer;line-height:1}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--surface-2);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{background:var(--danger-light);color:var(--danger)}.btn-danger:hover:not(:disabled){background:#fecaca}.btn-sm{padding:6px 12px;font-size:12.5px}.btn-lg{padding:11px 22px;font-size:14.5px}.toggle-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border-subtle)}.toggle-wrap:last-child{border-bottom:none}.toggle-label{font-size:13.5px;font-weight:500;color:var(--text-primary)}.toggle-desc{font-size:12px;color:var(--text-secondary);margin-top:2px}.toggle{position:relative;width:40px;height:22px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0;position:absolute}.toggle-track{position:absolute;top:0;right:0;bottom:0;left:0;background:#d1d5db;border-radius:999px;transition:background .2s ease;cursor:pointer}.toggle input:checked+.toggle-track{background:var(--accent)}.toggle-track:after{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s ease;box-shadow:0 1px 3px #0003}.toggle input:checked+.toggle-track:after{transform:translate(18px)}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:500}.badge:before{content:"";width:6px;height:6px;border-radius:50%;flex-shrink:0}.badge-connected{background:var(--accent-light);color:var(--accent)}.badge-connected:before{background:var(--accent)}.badge-waiting{background:var(--warning-light);color:var(--warning)}.badge-waiting:before{background:var(--warning);animation:pulse 1.4s infinite}.badge-disconnected{background:var(--surface-2);color:var(--text-secondary)}.badge-disconnected:before{background:var(--text-tertiary)}.badge-scanned{background:var(--blue-light);color:var(--blue)}.badge-scanned:before{background:var(--blue);animation:pulse 1.4s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.page-wrap{min-height:100%;display:flex;flex-direction:column;align-items:center;padding:32px 16px 60px}.page-inner{width:100%;max-width:560px}.page-header{margin-bottom:24px}.page-title{font-size:18px;font-weight:600;color:var(--text-primary)}.page-sub{font-size:13px;color:var(--text-secondary);margin-top:3px}.section-label{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:8px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.full-center{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;background:var(--bg)}