* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #f4f6f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.auth-container {
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-header {
    text-align: center;
    margin-bottom: 25px;
}

.auth-header h2 {
    color: #2c3e50;
    font-size: 24px;
    margin-bottom: 8px;
}

.auth-header p {
    color: #7f8c8d;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #34495e;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: #3498db;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    border: none;
    border-radius: 4px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s;
}

.btn-submit:hover {
    background-color: #2980b9;
}

.auth-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 13px;
}

.auth-footer a {
    color: #3498db;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.separator {
    margin: 0 8px;
    color: #cccccc;
}

.alert {
    padding: 10px;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 13px;
    text-align: center;
}

.hidden {
    display: none;
}