:root { --bg: #1a1a1a; --fg: #ffffff; --muted: #888; }
body { background: var(--bg); color: var(--fg); font-family: sans-serif; }
.btn { padding: 8px 12px; border-radius: 8px; background: #fff; color: #000; text-decoration: none; display: inline-block; border:none; cursor:pointer; }
.card { background: rgba(255,255,255,0.05); border: 1px solid #444; padding: 15px; border-radius: 12px; margin-bottom: 15px; }