/* Signup page styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 400px;
}

.form-container {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

label {
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

input {
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: #667eea;
}

input:invalid {
    border-color: #667eea;
}

button {
    padding: 12px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s;
    margin-bottom: 20px;
}

button:hover {
    transform: translateY(-2px);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-link {
    text-align: center;
    color: #666;
}

.login-link a {
    color: #667eea;
    text-decoration: none;
}

.login-link a:hover {
    text-decoration: underline;
}

.message {
    font-size: 14px;
    margin-bottom: 15px;
    text-align: center;
}

.message.success {
    color: #27ae60;
}

.message.error {
    color: #e74c3c;
}

.message.hidden {
    display: none;
}

/* Responsive design */
@media (max-width: 480px) {
    .form-container {
        padding: 30px 20px;
    }
}