:root{--color-orange-500:#ff8313;--color-purple-400:#8146e5}.attendance-form{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 10px 40px #0003}.hp-field{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute;top:-9999px;left:-9999px;overflow:hidden}.form-group{margin-bottom:1.5rem}.form-group label{color:#333;margin-bottom:.5rem;font-size:1.1rem;font-weight:600;display:block}.form-group input{text-align:center;letter-spacing:2px;border:2px solid #e1e5eb;border-radius:8px;width:100%;padding:1rem 1.25rem;font-size:1.25rem;transition:border-color .2s,box-shadow .2s}.form-group input:focus{border-color:var(--color-purple-400);box-shadow:0 0 0 3px color-mix(in srgb, var(--color-purple-400) 15%, transparent);outline:none}.form-group .error{color:#e53e3e;margin-top:.5rem;font-size:.875rem;display:block}.location-warning{color:#92400e;background:#fef3c7;border:1px solid #f59e0b;border-radius:8px;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.75rem 1rem;font-size:.875rem;display:flex}.offline-warning{color:#991b1b;background:#fee2e2;border:1px solid #ef4444;border-radius:8px;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.75rem 1rem;font-size:.875rem;display:flex}.warning-icon{font-size:1.25rem}.submit-button{background:linear-gradient(135deg, var(--color-orange-500) 0%, var(--color-purple-400) 100%);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:1.25rem;font-size:1.25rem;font-weight:600;transition:transform .2s,box-shadow .2s}.submit-button:hover:not(:disabled){box-shadow:0 5px 20px color-mix(in srgb, var(--color-orange-500) 40%, transparent);transform:translateY(-2px)}.submit-button:disabled{opacity:.7;cursor:not-allowed}.loading-text{justify-content:center;align-items:center;gap:.5rem;display:flex}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.message{text-align:center;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;margin-top:1rem;padding:1rem;font-weight:500;display:flex}.message.success{color:#276749;background:#c6f6d5;flex-direction:column;align-items:flex-start}.message.error{color:#c53030;background:#fed7d7}.success-content{flex-direction:column;gap:.75rem;width:100%;display:flex}.success-title{align-items:center;gap:.5rem;margin:0;font-size:1rem;font-weight:600;display:flex}.registration-details{background:#ffffff80;border-radius:6px;flex-direction:column;gap:.5rem;padding:.75rem;font-size:.875rem;display:flex}.detail-item{margin:0;line-height:1.5}.detail-item strong{color:#1e5c3f}.success-icon,.error-icon{font-size:1.25rem;font-weight:700}.captcha-notice{color:#718096;text-align:center;margin-top:1.5rem;font-size:.75rem;line-height:1.5}.captcha-notice a{color:var(--color-purple-400);text-decoration:none}.captcha-notice a:hover{text-decoration:underline}.app{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.app-header{text-align:center;color:#fff;margin-bottom:2rem}.app-header h1{text-shadow:2px 2px 4px #0003;margin-bottom:.5rem;font-size:2.5rem}.app-header p{opacity:.9;font-size:1.1rem}.app-main{width:100%;max-width:400px}.app-error{color:#c53030;text-align:center;background:#fed7d7;border-radius:12px;max-width:400px;padding:2rem}.app-error h2{margin-bottom:.5rem}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}#root{min-height:100vh}