@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@700&display=swap');
body{font-family:'Heebo',sans-serif;background:#fffef8;color:#0f1720;padding:24px;transition:background .2s,color .2s}
#banner{display:inline-block;padding:6px 10px;border-radius:8px;background:#e2e8f0;margin:8px 0;font-weight:700}
button{padding:6px 10px;border-radius:6px;border:1px solid #cbd5e1;background:#111827;color:#e5edf7}
.hc{background:#0b0f14;color:#e8f2ff}
.hc #banner{background:#22c55e;color:#0b0f14}