body{background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 0}.register-card{background:#fff;border-radius:20px;box-shadow:0 20px 40px #0000001a;padding:3rem;width:100%;max-width:500px}.brand-logo{font-size:2rem;font-weight:700;color:#667eea;text-align:center;margin-bottom:2rem}.form-control{border-radius:10px;padding:.75rem 1rem;border:2px solid #e9ecef;transition:all .3s ease}.form-control:focus{border-color:#667eea;box-shadow:0 0 0 .2rem #667eea40}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:10px;padding:.75rem 2rem;font-weight:600;transition:all .3s ease}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 20px #667eea4d}.divider{text-align:center;margin:2rem 0;position:relative}.divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:#e9ecef}.divider span{background:#fff;padding:0 1rem;color:#6c757d}.social-login{display:flex;gap:1rem;justify-content:center}.btn-social{flex:1;padding:.75rem;border:2px solid #e9ecef;border-radius:10px;transition:all .3s ease}.btn-social:hover{transform:translateY(-2px);box-shadow:0 5px 15px #0000001a}.link-primary{color:#667eea;text-decoration:none;font-weight:500}.link-primary:hover{color:#764ba2}.password-strength{height:5px;border-radius:3px;margin-top:.5rem;background:#e9ecef}.password-strength.weak{background:#dc3545;width:25%}.password-strength.medium{background:#ffc107;width:50%}.password-strength.strong{background:#28a745;width:75%}.password-strength.very-strong{background:#20c997;width:100%}.form-check-input:checked{background-color:#667eea;border-color:#667eea}.terms-link{color:#667eea;text-decoration:none}.terms-link:hover{color:#764ba2;text-decoration:underline}