:root {
  --bg: #0a0e14;
  --surface: #151b26;
  --surface2: #1c2433;
  --border: #2d3a4f;
  --text: #e8edf4;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --layer-map: #22c55e;
  --layer-road: #0ea5e9;
  --layer-me: #a78bfa;
  --layer-terms: #f59e0b;
  --font: "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

.layout {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-wrap: wrap;
}

header h1 { margin: 0; font-size: 1rem; font-weight: 600; }
header p { margin: 0.15rem 0 0; font-size: 0.8rem; color: var(--muted); }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge.layer-map { background: #14532d; color: #86efac; }
.badge.layer-road { background: #0c4a6e; color: #7dd3fc; }
.badge.layer-me { background: #4c1d95; color: #c4b5fd; }
.badge.layer-terms { background: #422006; color: #fcd34d; }
.badge.tool { background: #334155; color: #cbd5e1; }

.toolbar { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

.toolbar a, .toolbar button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: none;
}

.toolbar a:hover, .toolbar button:hover { border-color: var(--accent); }
.toolbar button.is-active { border-color: var(--accent); background: #1e3a5f; }

main.split {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 0;
}

aside {
  border-right: 1px solid var(--border);
  padding: 1rem;
  overflow: auto;
  background: #0d1219;
}

aside h2 {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

aside pre {
  margin: 0 0 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.7rem;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow: auto;
}

.content { overflow: auto; padding: 1.25rem; }

.card-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.card {
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.card h3 { margin: 0 0 0.35rem; font-size: 0.95rem; }
.card p { margin: 0; font-size: 0.82rem; color: var(--muted); line-height: 1.45; }

.pill {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 600;
}

.search {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.search:focus { outline: none; border-color: var(--accent); }

.empty { color: var(--muted); text-align: center; padding: 2rem; }

@media (max-width: 900px) {
  main.split { grid-template-columns: 1fr; }
  aside { max-height: 200px; border-right: none; border-bottom: 1px solid var(--border); }
}