:root {
    --bg-color: #F5F0EB;
    --card-bg: #ffffff;
    --primary: #1E2A3A;
    --accent: #C9A84C;
    --correct: #C9A84C;
    --text: #1E2A3A;
}
* { 
    box-sizing: border-box; 
    -webkit-tap-highlight-color: transparent; 
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-size: auto 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--text);
    margin: 0; 
    padding: 12px; 
    display: flex; 
    flex-direction: column; 
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.container {
    max-width: 600px; 
    width: 100%; 
    padding: 40px 25px; 
    border-radius: 16px; 
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    text-align: center;
}
h1 { 
    margin: 0 0 15px 0; 
    font-size: 1.8em; 
    color: white;
}
.play-btn {
    display: inline-block; 
    width: 100%; 
    background: var(--accent); 
    color: white;
    text-decoration: none;
    border: none; 
    padding: 15px; 
    border-radius: 12px; 
    font-size: 1.1em;
    font-weight: bold; 
    cursor: pointer; 
    box-shadow: 0 4px 12px rgba(201, 168, 76, 0.3);
    transition: background 0.2s ease, transform 0.1s ease;
}
.btn-spacing {
    margin-bottom: 15px;
}
.play-btn:hover {
    background: #B8972E;
}
.play-btn:active {
    transform: scale(0.98);
}