body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    box-sizing: border-box;
}

.auth-container h2 {
    margin-top: 0;
    margin-bottom: 24px;
    font-size: 22px;
    color: #2c3e50;
    text-align: center;
}

.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    color: #34495e;
    margin-bottom: 6px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.2s;
}

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

.btn {
    width: 100%;
    background: #3498db;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    margin-top: 10px;
    transition: background 0.2s;
}

.btn:hover {
    background: #2980b9;
}

.error-msg {
    background: #fdf2f2;
    color: #e74c3c;
    padding: 10px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
    text-align: center;
    border: 1px solid #f9d6d5;
}

.info-msg {
    background: #e8f4fd;
    color: #2980b9;
    padding: 8px;
    border-radius: 6px;
    font-size: 12px;
    margin-bottom: 16px;
    text-align: center;
}