body{background-color:#1a1a1a;color:#fff}:root{--color-bg-primary: #1a1a1a;--color-bg-secondary: #2a2a2a;--color-text-primary: #e0e0e0;--color-text-secondary: #a0a0a0;--color-accent: #d4af37;--color-accent-glow: rgba(212, 175, 55, .5);--color-yang: #ffffff;--color-yin: #000000;--font-serif: "Times New Roman", serif;--font-sans: "Inter", system-ui, sans-serif;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 32px;--transition-fast: .2s ease;--transition-slow: .5s ease}body{margin:0;background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);color:var(--color-accent)}.container{max-width:600px;margin:0 auto;padding:var(--spacing-md);text-align:center;min-height:100vh;display:flex;flex-direction:column;justify-content:center}button{background:transparent;border:1px solid var(--color-accent);color:var(--color-accent);padding:10px 20px;font-size:1rem;cursor:pointer;transition:all var(--transition-fast);border-radius:4px}button:hover{background:var(--color-accent);color:var(--color-bg-primary);box-shadow:0 0 10px var(--color-accent-glow)}button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}