:root {
  --bg: #07111f;
  --bg-2: #0d1a2c;
  --panel: rgba(13, 24, 40, 0.84);
  --border: rgba(162, 184, 220, 0.16);
  --text: #edf4ff;
  --muted: #a1b5d4;
  --accent: #84a7ff;
  --accent-soft: rgba(132, 167, 255, 0.16);
  --danger: rgba(255, 90, 102, 0.28);
  --water: rgba(73, 166, 255, 0.28);
  --grass: rgba(53, 193, 116, 0.28);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  font: 14px/1.45 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(72, 105, 188, 0.22), transparent 34%),
    linear-gradient(180deg, #08111d 0%, #07111f 55%, #050b14 100%);
}
.shell {
  max-width: 1520px;
  margin: 0 auto;
  padding: 24px;
}
.hero, .viewer-card, .sidebar-card {
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.04);
}
.hero {
  border-radius: 26px;
  padding: 24px;
  display: grid;
  gap: 18px;
  margin-bottom: 20px;
}
.eyebrow {
  margin: 0 0 8px;
  color: #8eb1ff;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 11px;
}
h1, h2, h3 { margin: 0; }
h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.05; }
.subcopy, .sidecopy, .helper { color: var(--muted); }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.meta-pill {
  min-width: 180px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}
.meta-pill span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 4px;
}
.meta-pill strong { font-size: 15px; }
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 20px;
}
.viewer-card, .sidebar-card {
  border-radius: 26px;
  padding: 18px;
}
.viewer-topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.viewer-title-wrap p { margin: 8px 0 0; color: var(--muted); }
.viewer-actions, .tool-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
button {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.045);
  color: var(--text);
  border-radius: 14px;
  padding: 11px 14px;
  font: inherit;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
button:hover {
  transform: translateY(-1px);
  border-color: rgba(132, 167, 255, 0.4);
}
.tool-grid button.is-active {
  background: var(--accent-soft);
  border-color: rgba(132, 167, 255, 0.56);
  box-shadow: inset 0 0 0 1px rgba(132,167,255,0.24), 0 0 0 1px rgba(132,167,255,0.16);
}
.viewer-wrap {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(22,37,60,.88), rgba(11,18,31,.94));
}
#mapCanvas {
  display: block;
  width: 100%;
  max-height: 78vh;
  height: auto;
  image-rendering: pixelated;
}
.legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
  color: var(--muted);
}
.swatch {
  width: 14px;
  height: 14px;
  display: inline-block;
  border-radius: 4px;
  margin-right: 6px;
  vertical-align: -2px;
  border: 1px solid rgba(255,255,255,0.18);
}
.swatch-player { background: rgba(255, 228, 92, 0.78); }
.swatch-barrier { background: var(--danger); }
.swatch-water { background: var(--water); }
.swatch-grass { background: var(--grass); }
.sidebar-card {
  display: grid;
  gap: 18px;
  align-content: start;
}
.stats dl {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
}
.stats div, #tileStats div, #mapStats div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.stats dt, #tileStats dt, #mapStats dt { color: var(--muted); }
textarea {
  width: 100%;
  min-height: 320px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(4, 11, 20, 0.86);
  color: #dff0ff;
  padding: 14px;
  resize: vertical;
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
kbd, code {
  font: 12px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
kbd {
  padding: 3px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  margin-right: 4px;
}
@media (max-width: 1120px) {
  .layout { grid-template-columns: 1fr; }
}