:root {
    --color-primary: #4a148c;
    --color-secondary: #ff6f00;
    --color-background: #1a1a2e;
    --color-text: #e6e6e6;
    --color-panel: #16213e;
    --color-success: #4caf50;
    --color-warning: #ff9800;
    --color-error: #f44336;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    user-select: none;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    margin-bottom: 20px;
    padding: 20px;
    background: linear-gradient(135deg, var(--color-primary), #6a1b9a);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.header h1 {
    margin: 0;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.header p {
    margin: 10px 0 0 0;
    opacity: 0.9;
}