/* Base Styles */
:root {
    --primary-color: #4285f4;
    --secondary-color: #f1f1f1;
    --text-color: #333;
    --light-text: #777;
    --border-color: #ddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --error-color: #e74c3c;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Registration Container */
.registration-container {
    width: 100%;
    max-width: 500px;
}

.registration-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow-color);
    padding: 2rem;
    width: 100%;
}

.registration-title {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

/* Form Styles */
.registration-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-color);
}

.form-group input {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.2);
}

.submit-button {
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: #3367d6;
}

/* Login Link */
.login-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--light-text);
}

.login-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

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

/* Responsive Design */
@media (max-width: 600px) {
    .registration-card {
        padding: 1.5rem;
    }
    
    .registration-title {
        font-size: 1.5rem;
    }
    
    .form-group input {
        padding: 10px 12px;
    }
    
    .submit-button {
        padding: 10px;
    }
}