:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.qr-scanner-container{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%;max-width:500px;margin:0 auto;padding:1rem}.qr-scanner{width:100%;max-width:400px;border-radius:8px;overflow:hidden;background:#000;position:relative}.qr-scanner video{width:100%;height:auto}.scan-button,.stop-button{padding:12px 24px;font-size:16px;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease;min-width:150px}.scan-button{background:#4caf50;color:#fff}.scan-button:hover:not(:disabled){background:#45a049;transform:translateY(-2px);box-shadow:0 4px 8px #0003}.scan-button:disabled{background:#ccc;cursor:not-allowed}.stop-button{background:#f44336;color:#fff}.stop-button:hover{background:#da190b;transform:translateY(-2px);box-shadow:0 4px 8px #0003}.error-message{color:#f44336;background:#ffebee;padding:12px;border-radius:4px;text-align:center;width:100%;font-size:14px}.scan-instructions{color:#101010;font-size:14px;text-align:center;margin:0}.checkin-status{margin:2rem auto;padding:2rem;border-radius:12px;max-width:400px;text-align:center;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.checkin-status.loading{background:#e3f2fd}.checkin-status.success{background:#e8f5e9;border:2px solid #4caf50}.checkin-status.error{background:#ffebee;border:2px solid #f44336}.status-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.spinner{width:40px;height:40px;border:4px solid #bbdefb;border-top:4px solid #2196f3;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.success-icon{width:60px;height:60px;background:#4caf50;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;animation:scaleIn .3s ease-out}@keyframes scaleIn{0%{transform:scale(0)}to{transform:scale(1)}}.error-icon{width:60px;height:60px;background:#f44336;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;animation:scaleIn .3s ease-out}.status-message{font-size:18px;font-weight:600;margin:0;color:#333}.status-email{font-size:14px;color:#666;margin:0;word-break:break-all}.app{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#667eea,#764ba2)}.app-header{padding:2rem 1rem;text-align:center;color:#fff}.app-header h1{margin:0 0 .5rem;font-size:2rem;font-weight:700}.app-header p{margin:0;font-size:1rem;opacity:.9}.app-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1rem;max-width:600px;margin:0 auto;width:100%}@media(max-width:768px){.app-header h1{font-size:1.5rem}.app-main{padding:.5rem}}