/* Base layout */
body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Arial, sans-serif; background:#0b0f14; color:#e8e8ea; }
header { display:flex; align-items:center; justify-content:space-between; padding:16px 20px; border-bottom:1px solid rgba(255,255,255,0.1); }
.brand { font-weight:700; letter-spacing:0.4px; }
main { max-width: 900px; margin: 40px auto; padding: 0 20px; }
.panel { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.18); border-radius:12px; padding: 16px; }
.row { display:flex; gap:16px; align-items:center; }
.btn { appearance:none; border:1px solid rgba(255,255,255,0.18); border-radius:10px; padding:10px 14px; background:rgba(255,255,255,0.08); color:#e8e8ea; cursor:pointer; text-decoration:none; display:inline-block; }
.btn-primary { border-color:#39ff14; background: linear-gradient(180deg,#71ff42,#39ff14); color:#0a0a0a; font-weight:700; }
.muted { color:#97a5c3; }
img.avatar { width:64px; height:64px; border-radius:50%; }

footer { margin-top: 40px; padding: 16px 20px; border-top:1px solid rgba(255,255,255,0.1); color:#8fa0bf; font-size: 14px; }