* { margin:0; padding:0; box-sizing:border-box; font-family: Arial, sans-serif; }
body { background:#1b1b1b; color:#f9f5e3; }
a, a:visited, a:hover, a:active { color:#ffd700; text-decoration:none; }
.logo { max-width:180px; display:block; margin:0 auto 20px; }
h1,h2,h3 { color:#ffd700; margin-bottom:20px; }
button { padding:12px 25px; margin:5px; cursor:pointer; background:#ffd700; border:none; border-radius:8px; color:#1b1b1b; font-weight:bold; transition:0.2s; box-shadow:0 4px 6px rgba(255,215,0,0.3);}
button:hover { background:#ffecb3; box-shadow:0 6px 10px rgba(255,215,0,0.5);}
.stats, .external-prices, .crypto-news { margin:20px auto; max-width:1000px; background:#2a2a2a; padding:15px; border-radius:12px; box-shadow:0 4px 12px rgba(0,0,0,0.4);}
.crypto-news ul, .external-prices ul { list-style:none; padding-left:0; }
.crypto-news li, .external-prices li { margin-bottom:8px; }