:root{
  --bg:#0f1720;
  --card:#0b1220;
  --accent:#2dd4bf;
  --muted:#94a3b8;
  --surface:#07121a;
}
*{box-sizing:border-box}
body{font-family:Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial; margin:0; padding:0; background:linear-gradient(180deg,#071428 0%, #071a28 60%); color:#e6eef6}
.container{max-width:1100px;margin:0 auto;padding:28px}
.site-header{background:linear-gradient(90deg,var(--surface),#04202a);padding:18px 0;border-bottom:1px solid rgba(255,255,255,0.03)}
.site-header .header-inner{display:flex;align-items:center;justify-content:space-between}
.brand{margin:0;font-size:20px}
.brand a{color:var(--accent);text-decoration:none}
.main-nav a{color:#cdeee8;text-decoration:none;margin-left:18px;font-weight:600}
.main-nav a:hover{color:var(--accent)}
.site-footer{background:transparent;color:var(--muted);padding:18px 0;margin-top:30px;text-align:center}
article{background:linear-gradient(180deg,#071726, #0b2430);padding:26px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.6);border:1px solid rgba(255,255,255,0.02)}
h1,h2,h3{color:#e6ffff}
.form-row{margin-bottom:14px}
label{display:block;margin-bottom:6px;color:var(--muted)}
input[type="text"], input[type="email"], textarea{width:100%;padding:10px;border:1px solid rgba(255,255,255,0.06);border-radius:6px;background:transparent;color:#e6eef6}
button{padding:10px 16px;background:var(--accent);border:0;color:#04121a;border-radius:6px;cursor:pointer;font-weight:700}
small.note{color:var(--muted)}
.markdown h1,.markdown h2,.markdown h3{color:var(--accent)}
.markdown pre{background:#021219;padding:12px;border-radius:6px;overflow:auto;border:1px solid rgba(255,255,255,0.03)}
.markdown code{background:#021219;padding:2px 6px;border-radius:4px}
.markdown a{color:var(--accent)}
.markdown ul{padding-left:20px}