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

body {
    font-family: 'Poppins', sans-serif;
    background: #0A0E1A;
    color: #FFFFFF;
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    overflow-x: hidden;
}

.header {
    background: linear-gradient(90deg, #A3BFFA, #6B7FD7);
    padding: 20px;
    text-align: center;
    border-radius: 12px;
    margin-bottom: 20px;
    max-width: 100%;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 5px;
}