:root {
  --bg: #0a0c10;
  --panel: #11151b;
  --border: #1d2530;
  --text: #d9e2ec;
  --muted: #7b8794;
  --accent: #44C5DB;
  --hover: #18202a;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  line-height: 1.6;
  padding: 40px;
  max-width: 900px;
  margin: auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.8; }

.mono { font-family: "JetBrains Mono", monospace; }

.back {
  display: inline-block;
  margin-bottom: 30px;
  font-size: 14px;
}

header.post {
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}

.tag {
  color: var(--accent);
  font-size: 14px;
  margin-bottom: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

h1 { font-size: 38px; line-height: 1.15; margin-bottom: 12px; }

.meta { color: var(--muted); font-size: 14px; }

h2 {
  font-size: 22px;
  margin-top: 40px;
  margin-bottom: 14px;
  color: var(--text);
}

p { margin-bottom: 16px; color: var(--text); }

code {
  font-family: "JetBrains Mono", monospace;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  overflow-x: auto;
  margin-bottom: 18px;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  line-height: 1.5;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--border);
}

th { background: var(--panel); color: var(--accent); }
td { color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  transition: 0.2s ease;
}

.card:hover { transform: translateY(-3px); background: var(--hover); }
.card h3 { margin-bottom: 12px; font-size: 20px; }
.card p { color: var(--muted); font-size: 15px; margin-bottom: 0; }

footer {
  margin-top: 80px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 700px) {
  body { padding: 24px; }
  h1 { font-size: 28px; }
}