body {
     display: flex;
     align-items: center;
     justify-content: center;
     min-height: 100vh;
     background: #0a3d2e;
     font-family: Arial, sans-serif;
 }

 .register-card {
     background: #ffffff;
     padding: 32px;
     border-radius: 16px;
     width: 100%;
     max-width: 420px;
     box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
 }

 .register-card h1 {
     margin: 0 0 24px 0;
     font-size: 26px;
     color: #0a3d2e;
     text-align: center;
 }

 .register-card label {
     display: block;
     margin-bottom: 8px;
     font-weight: 600;
     color: #0a3d2e;
 }

 .register-card input[type="text"],
 .register-card input[type="password"] {
     width: 100%;
     padding: 10px 12px;
     border: 1px solid #d1d5db;
     border-radius: 8px;
     font-size: 14px;
     margin-bottom: 16px;
 }

 .register-card button {
     width: 100%;
     padding: 12px;
     border: none;
     border-radius: 8px;
     background: #0a3d2e;
     color: #ffffff;
     font-size: 16px;
     font-weight: 600;
     cursor: pointer;
 }

 .register-card button:hover {
     background: #0d5242;
 }

 .register-card .error {
     background: #fee2e2;
     color: #b91c1c;
     padding: 10px 12px;
     border-radius: 8px;
     margin-bottom: 16px;
     font-size: 14px;
 }

 .register-card .footer-link {
     margin-top: 16px;
     font-size: 13px;
     color: #4b5563;
     text-align: center;
 }

 .register-card .footer-link a {
     color: #0a3d2e;
     font-weight: 600;
     text-decoration: none;
 }