:root {
  --bg: #070b10;
  --panel: rgba(5, 10, 16, 0.72);
  --text: #d7e0ea;
  --muted: #93a8bb;
  --accent: #53ffb7;
  --accent2: #6aa9ff;
  --border: rgba(131, 159, 187, 0.22);
  --shadow: rgba(0,0,0,.55);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 800px at 15% 10%, rgba(106,169,255,.10), transparent 60%),
    radial-gradient(900px 600px at 85% 20%, rgba(83,255,183,.10), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.02), transparent 25%),
    var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  line-height: 1.6;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 42px 18px 72px;
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: baseline;
  text-decoration: none;
  color: var(--text);
}

.prompt { color: var(--accent); }
.dim { color: var(--muted); }

.links a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  padding-bottom: 2px;
}
.links a:hover { color: var(--text); border-bottom-color: var(--border); }

.panel {
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), transparent 55%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.02), rgba(255,255,255,.02) 1px, transparent 1px, transparent 3px),
    var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 22px 60px var(--shadow);
  overflow: hidden;
}

.panel-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.header-left {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}

.badge {
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
}

.panel-body { padding: 18px 18px 8px; }

h1 {
  margin: 0 0 8px;
  font-size: 32px;
  letter-spacing: .2px;
}

h2 {
  margin: 22px 0 10px;
  font-size: 18px;
  color: var(--accent2);
}

p { margin: 10px 0; color: var(--text); }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

kbd, code {
  font-family: inherit;
  font-size: .95em;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 8px;
}

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

a:hover { text-decoration: underline; }

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(12, 1fr);
  margin: 12px 0 18px;
}

.card {
  grid-column: span 12;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(0,0,0,.14);
}

.card h3 { margin: 0 0 6px; font-size: 16px; color: var(--text); }
.card p { margin: 6px 0; color: var(--muted); }

@media (min-width: 820px) {
  .card.half { grid-column: span 6; }
}

.footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  display:flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}