:root { --bg:#0f1115; --fg:#e6e6e6; --muted:#9aa0aa; --card:#1a1f29; --accent:#5b9cff; }
*{box-sizing:border-box} body{background:var(--bg);color:var(--fg);font-family:system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,sans-serif;margin:0}
.container{max-width:800px;margin:40px auto;padding:0 16px}
h1{font-size:28px;margin-bottom:16px}
.card{background:var(--card);border-radius:16px;padding:16px;margin:12px 0;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.btn{background:var(--accent);color:#fff;border:none;padding:10px 14px;border-radius:12px;cursor:pointer}
.btn:hover{opacity:.9}
code{background:#2a3140;padding:2px 6px;border-radius:6px}
.share a{display:inline-block;margin-right:12px;color:#fff;text-decoration:none;padding:8px 10px;background:#2a3140;border-radius:10px}
.muted{color:var(--muted)}