*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--red: #cc0000;--red-dark: #990000;--red-light: #fff5f5;--green: #22863a;--green-light: #d4edda;--yellow: #856404;--yellow-light: #fff3cd;--gray: #6c757d;--gray-light: #e2e3e5;--blue: #0066cc;--blue-light: #e8f0fe;--white: #ffffff;--bg: #f8f9fa;--border: #dee2e6;--text: #212529;--text-muted: #6c757d;--radius: 8px;--shadow: 0 2px 8px rgba(0,0,0,.1)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}h1{font-size:1.75rem;font-weight:700}h2{font-size:1.4rem;font-weight:600}h3{font-size:1.1rem;font-weight:600}.container{width:100%;max-width:480px;margin:0 auto;padding:16px}.container-wide{width:100%;max-width:1100px;margin:0 auto;padding:16px 24px}.header{background:var(--red);color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.header-title{font-size:1.1rem;font-weight:700}.header-subtitle{font-size:.8rem;opacity:.85}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s;text-decoration:none}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover:not(:disabled){background:var(--red-dark)}.btn-success{background:var(--green);color:#fff}.btn-success:hover:not(:disabled){opacity:.9}.btn-outline{background:transparent;border:2px solid var(--border);color:var(--text)}.btn-outline:hover:not(:disabled){background:var(--bg)}.btn-danger{background:#dc3545;color:#fff}.btn-danger:hover:not(:disabled){background:#b02a37}.btn-sm{padding:6px 12px;font-size:.875rem}.btn-full{width:100%}.btn-xl{padding:18px 24px;font-size:1.2rem;border-radius:12px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.9rem;font-weight:600;color:var(--text-muted);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:1rem;color:var(--text);background:#fff;transition:border-color .15s}.form-input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px #cc00001a}.form-input.error{border-color:#dc3545}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:.95rem}.alert-error{background:#fdecea;color:#721c24;border:1px solid #f5c6cb}.alert-success{background:var(--green-light);color:var(--green);border:1px solid #c3e6cb}.alert-info{background:var(--blue-light);color:var(--blue);border:1px solid #b8daff}.alert-warning{background:var(--yellow-light);color:var(--yellow);border:1px solid #ffeeba}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:.8rem;font-weight:600}.badge-in{background:var(--green-light);color:var(--green)}.badge-out{background:var(--gray-light);color:var(--gray)}.badge-none{background:var(--yellow-light);color:var(--yellow)}.badge-active{background:var(--green-light);color:var(--green)}.badge-inactive{background:var(--gray-light);color:var(--gray)}.table-wrapper{overflow-x:auto;margin:-4px;padding:4px}table{width:100%;border-collapse:collapse;font-size:.9rem}thead th{text-align:left;padding:10px 12px;background:var(--bg);border-bottom:2px solid var(--border);font-size:.8rem;font-weight:700;text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em}tbody td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:var(--bg)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--red);border-radius:50%;animation:spin .7s linear infinite;margin:24px auto}@keyframes spin{to{transform:rotate(360deg)}}.result-icon{font-size:4rem;text-align:center;margin-bottom:16px}.result-title{text-align:center;font-size:1.5rem;font-weight:700;margin-bottom:8px}.result-message{text-align:center;color:var(--text-muted);margin-bottom:24px}.text-muted{color:var(--text-muted)}.text-center{text-align:center}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.flex{display:flex}.flex-col{flex-direction:column}.gap-8{gap:8px}.gap-12{gap:12px}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}#qr-reader{border:none!important}#qr-reader video{border-radius:var(--radius)}#qr-reader__scan_region{background:transparent!important}#qr-reader__dashboard_section_swaplink{color:var(--red)!important}.admin-nav{background:#fff;border-bottom:2px solid var(--border);padding:0 24px;display:flex;align-items:center;gap:24px}.admin-nav a{display:inline-flex;align-items:center;padding:14px 4px;color:var(--text-muted);text-decoration:none;font-size:.9rem;font-weight:500;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s}.admin-nav a:hover,.admin-nav a.active{color:var(--red);border-bottom-color:var(--red)}@media (max-width: 600px){.container-wide{padding:12px 16px}thead th,tbody td{padding:8px;font-size:.8rem}}[data-theme=dark]{--bg: #1a1a1a;--surface: #242424;--border: #383838;--text: #e0e0e0;--text-muted: #999;--white: #242424;--gray-light: #333;--blue-light: #1a2a40;--green-light: #1a2e1a;--yellow-light: #2a2200;--red-light: #2a0a0a;--shadow: 0 2px 8px rgba(0,0,0,.4)}[data-theme=dark] body{background:var(--bg);color:var(--text)}[data-theme=dark] .card{background:var(--surface);border:1px solid var(--border)}[data-theme=dark] .header{background:#8b0000}[data-theme=dark] table{color:var(--text)}[data-theme=dark] thead th{background:#2a2a2a;color:var(--text-muted);border-bottom-color:var(--border)}[data-theme=dark] tbody td{border-bottom-color:var(--border)}[data-theme=dark] tbody tr:hover td{background:#2a2a2a}[data-theme=dark] .form-input{background:#2a2a2a;border-color:var(--border);color:var(--text)}[data-theme=dark] .form-input:focus{border-color:var(--red);box-shadow:0 0 0 3px #c003}[data-theme=dark] .btn-outline{border-color:var(--border);color:var(--text);background:transparent}[data-theme=dark] .btn-outline:hover:not(:disabled){background:#2a2a2a}[data-theme=dark] .admin-nav{background:var(--surface);border-bottom-color:var(--border)}[data-theme=dark] .admin-nav a{color:var(--text-muted)}[data-theme=dark] .alert-error{background:#2a0a0a;color:#f08080;border-color:#5a1a1a}[data-theme=dark] .alert-success{background:#0a1a0a;color:#80c080;border-color:#1a4a1a}[data-theme=dark] .alert-info{background:#0a1a2a;color:#80b0e0;border-color:#1a3a5a}[data-theme=dark] .alert-warning{background:#2a1a00;color:#c0a050;border-color:#4a3a00}[data-theme=dark] select option{background:var(--surface);color:var(--text)}