.signup-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.signup-card{background:white;border-radius:16px;box-shadow:0 20px 40px rgba(0,0,0,.1);padding:40px;width:100%;max-width:400px;animation:slideUp .6s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.signup-header{text-align:center;margin-bottom:32px}.signup-header h1{font-size:28px;font-weight:700;color:#1a1a1a;margin-bottom:8px}.signup-header p{color:#666;font-size:16px;margin:0}.signup-form{margin-bottom:24px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:#333;font-size:14px}.form-group input{width:100%;padding:12px 16px;border:2px solid #e1e5e9;border-radius:8px;font-size:16px;transition:border-color .2s ease;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.1)}.error-message{background:#fee;color:#c53030;padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:14px;border:1px solid #fed7d7}.signup-btn{width:100%;background:linear-gradient(135deg,#667eea,#764ba2);color:white;border:none;padding:14px 24px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease}.signup-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px rgba(102,126,234,.3)}.signup-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.signup-footer{text-align:center}.signup-footer p{margin-bottom:16px;color:#666;font-size:14px}.login-link{color:#667eea;text-decoration:none;font-weight:500;margin-left:4px}.login-link:hover{text-decoration:underline}.back-home{color:#999;text-decoration:none;font-size:14px;transition:color .2s ease}.back-home:hover{color:#667eea}.success-message{text-align:center;padding:20px}.success-icon{font-size:48px;margin-bottom:16px}.success-message h2{color:#22c55e;margin-bottom:16px;font-size:24px}.success-message p{color:#666;margin-bottom:12px;line-height:1.5}@media (max-width:480px){.signup-container{padding:16px}.signup-card{padding:24px}.signup-header h1{font-size:24px}}