* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', 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: 450px;
}

.registration-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.card-header {
    text-align: center;
    margin-bottom: 30px;
}

.card-header h2 {
    color: #2d3748;
    margin-bottom: 10px;
}

.card-header p {
    color: #718096;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: #4a5568;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
}

.input-group input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.error-message {
    color: #e53e3e;
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #5a67d8;
}

.login-link {
    text-align: center;
    margin-top: 20px;
    color: #718096;
    font-size: 0.95rem;
}

.login-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

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

/* Responsive Design */
@media (max-width: 480px) {
    .registration-card {
        padding: 20px;
    }

    .card-header h2 {
        font-size: 1.5rem;
    }

    .form-group label {
        font-size: 0.9rem;
    }

    .input-group input {
        padding: 10px 15px 10px 40px;
        font-size: 0.95rem;
    }

    .submit-btn {
        padding: 10px;
        font-size: 0.95rem;
    }
}

.input-group {
    position: relative;
}

.toggle-password {

    cursor: pointer;
    color: #a0aec0;
}

.toggle-password:hover {
    color: #667eea;
}