body {
  background: #0b1020;
  color: #e6ebff;
  font-family:
    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 96px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 56px;
  border-bottom: 1px solid #1a2238;
  padding-bottom: 16px;
}

.brand {
  font-weight: 700;
  font-size: 16px;
  color: #93c5fd;
}

.brand .glyph {
  color: #34d399;
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: #94a3b8;
}

.nav a {
  text-decoration: none;
}

.hero h1 {
  font-family:
    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 40px;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  color: #f8fafc;
}

.hero p {
  font-family:
    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  color: #94a3b8;
  max-width: 60ch;
  margin: 0 0 32px;
}

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: -1px;
  font-size: 13px;
}

.tab {
  background: #111a2f;
  color: #94a3b8;
  border: 1px solid #1a2238;
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: 8px 16px;
  cursor: pointer;
}

.tab.active {
  background: #0e1730;
  color: #e6ebff;
}

.editor {
  background: #0e1730;
  border: 1px solid #1a2238;
  border-radius: 0 12px 12px 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
}

.editor .pane {
  padding: 20px 24px;
  font-size: 13px;
  line-height: 1.7;
  white-space: pre;
  overflow: auto;
}

.editor .pane + .pane {
  border-left: 1px solid #1a2238;
}

.pane h4 {
  margin: 0 0 12px;
  font-family:
    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #64748b;
}

.k {
  color: #93c5fd;
}
.s {
  color: #fbbf24;
}
.n {
  color: #c4b5fd;
}
.c {
  color: #4b5563;
  font-style: italic;
}

.diagnostics {
  font-family:
    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
  color: #94a3b8;
}

.diagnostics .ok {
  color: #34d399;
}

.diagnostics .warn {
  color: #fbbf24;
}

.diagnostics .row {
  padding: 8px 0;
  border-bottom: 1px solid #1a2238;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
}

.tools {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.tool {
  background: #0e1730;
  border: 1px solid #1a2238;
  border-radius: 12px;
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  font-family:
    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  display: grid;
  gap: 6px;
}

.tool:hover {
  border-color: #34d399;
}

.tool .badge {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #34d399;
}

.tool h3 {
  margin: 0;
  font-size: 16px;
  color: #f8fafc;
}

.tool p {
  margin: 0;
  color: #94a3b8;
  font-size: 13px;
}

.back {
  margin-top: 64px;
  font-family:
    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 13px;
}

.back a {
  color: #94a3b8;
}