:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --text-color: #333;
    --card-background: #fff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-image: linear-gradient(to bottom right, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin: 0;
}

header p {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

main {
    width: 100%;
    max-width: 600px;
}