:root{--primary: #1e3a8a;--primary-dark: #172554;--accent: #2563eb;--bg: #f1f5f9;--card: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--danger: #dc2626;--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%}body{font-family:Noto Sans Lao,Segoe UI,Tahoma,sans-serif;background:#e2e8f0;color:var(--text);-webkit-font-smoothing:antialiased}#root{min-height:100vh}.app-shell{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative;display:flex;flex-direction:column;box-shadow:0 0 24px #00000014}.app-header{background:var(--primary);color:#fff;padding:14px 16px;padding-top:calc(14px + env(safe-area-inset-top));display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:20}.app-header h1{font-size:18px;font-weight:600}.back-btn{background:#ffffff26;border:none;color:#fff;width:36px;height:36px;border-radius:50%;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}.back-btn:active{background:#ffffff4d}.page-body{flex:1;padding:16px 16px 96px;overflow-y:auto}.menu-grid{display:flex;flex-direction:column;gap:16px;margin-top:8px}.menu-card{background:var(--card);border-radius:16px;padding:28px 20px;display:flex;align-items:center;gap:18px;box-shadow:var(--shadow);cursor:pointer;border:1px solid var(--border)}.menu-card:active{transform:scale(.98)}.menu-icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:34px;flex-shrink:0}.menu-icon.cars{background:#dbeafe}.menu-icon.drivers{background:#dcfce7}.menu-card-text h2{font-size:18px;font-weight:600}.menu-card-text p{font-size:13px;color:var(--muted);margin-top:4px}.list{display:flex;flex-direction:column;gap:12px}.list-item{background:var(--card);border-radius:14px;padding:12px;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow);cursor:pointer;border:1px solid var(--border)}.list-item:active{background:#f8fafc}.item-photo{width:64px;height:64px;border-radius:12px;object-fit:cover;flex-shrink:0;background:#e2e8f0}.item-photo.placeholder{display:flex;align-items:center;justify-content:center;font-size:28px;color:#94a3b8}.item-info{flex:1;min-width:0}.item-info .title{font-size:16px;font-weight:600}.item-info .sub{font-size:13px;color:var(--muted);margin-top:3px}.chevron{color:#cbd5e1;font-size:22px}.fab{position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;background:var(--accent);color:#fff;border:none;font-size:30px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px #2563eb73;cursor:pointer;z-index:30}.fab:active{transform:scale(.92)}@media (min-width: 480px){.fab{right:calc(50% - 216px)}}.form{display:flex;flex-direction:column;gap:18px}.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}.field input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-size:16px;font-family:inherit;background:#fff}.field input:focus{outline:none;border-color:var(--accent)}.field input:disabled{background:#f1f5f9;color:var(--muted)}.field .hint{font-size:12px;color:var(--muted);margin-top:4px}.field .error{font-size:12px;color:var(--danger);margin-top:4px}.photo-picker{width:100%;aspect-ratio:4 / 3;border:2px dashed var(--border);border-radius:14px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--muted);cursor:pointer;overflow:hidden}.photo-picker img{width:100%;height:100%;object-fit:cover}.photo-picker .picker-icon{font-size:40px}.btn{width:100%;padding:14px;border:none;border-radius:12px;font-size:16px;font-weight:600;font-family:inherit;cursor:pointer}.btn-primary{background:var(--accent);color:#fff}.btn-primary:disabled{background:#93c5fd;cursor:not-allowed}.btn-primary:active:not(:disabled){background:var(--primary)}.btn-outline{background:#fff;color:var(--accent);border:1px solid var(--accent)}.qr-card{background:var(--card);border-radius:16px;padding:24px;display:flex;flex-direction:column;align-items:center;gap:16px;box-shadow:var(--shadow);border:1px solid var(--border)}.qr-card canvas{width:240px!important;height:240px!important;border-radius:8px}.qr-caption{text-align:center}.qr-caption .big{font-size:18px;font-weight:700}.qr-caption .small{font-size:13px;color:var(--muted);margin-top:4px;word-break:break-all}.success-banner{background:#dcfce7;color:#166534;border-radius:12px;padding:12px 16px;font-size:14px;font-weight:600;text-align:center;margin-bottom:16px}.state{text-align:center;padding:48px 16px;color:var(--muted)}.state .state-icon{font-size:48px;margin-bottom:12px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}