/* Dark gray + neon green (with a touch of neon purple) */
:root{
  --bg:#0f1115;          /* deep gray */
  --panel:#161922;       /* card/section bg */
  --text:#e5e7eb;        /* light gray */
  --muted:#9aa0a6;       /* muted text */
  --accent:#39ff14;      /* neon green */
  --accent2:#b026ff;     /* neon purple (sparingly) */
  --link:#39ff14;        /* neon link */
  --border:#222636;      /* subtle border */
  --maxw:1100px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial;
}

/* Links */
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}

/* Header */
.site-header{border-bottom:1px solid var(--border); background:linear-gradient(180deg,#12141b, #0f1115)}
.site-header .inner{max-width:var(--maxw);margin:0 auto;padding:16px}
.brand-and-nav{display:flex;align-items:center;gap:16px;justify-content:space-between;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.25rem;color:#fff;text-decoration:none}
.tabs a{
  margin-right:10px;
  border:1px solid var(--border);
  border-radius:10px;
  padding:6px 10px;
  color:#e7eaf3;
  background:linear-gradient(180deg,#171a23,#141720);
}
.tabs a:hover{box-shadow:0 0 0 2px rgba(57,255,20,.25) inset}
.sep{margin:0 8px;color:var(--muted)}
.tagline,.social{color:var(--muted);margin:6px 0}
.social a{margin-right:10px}

/* Layout */
.container{max-width:var(--maxw);margin:0 auto;padding:24px 16px 48px}
.grid{display:grid;grid-template-columns:3fr 1fr;gap:28px}
.main h1{margin:0 0 12px}

/* Post list (home) */
.post-list{list-style:none;margin:0;padding:0}
.post-item{padding:14px 0;border-bottom:1px solid var(--border)}
.post-title{font-weight:700}
.meta{color:var(--muted);font-size:.95rem;margin-left:8px}

/* Sidebar */
.sidebar .card{
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px;
  background:var(--panel);
}
.sidebar h3{margin:0 0 8px}
.sidebar ul{list-style:none;margin:0;padding:0}
.sidebar li+li{margin-top:8px}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  padding:16px;
  color:var(--muted);
  text-align:center;
  background:linear-gradient(0deg,#12141b,#0f1115);
}

/* Post page */
.post h1{margin:0 0 8px;font-size:1.9rem;line-height:1.2}
.post .meta{margin-bottom:14px}

/* Small screens */
@media (max-width:800px){
  .grid{grid-template-columns:1fr}
}