:root {
  --bg: #12140f;
  --text: #e7e1d1;
  --muted: #9a927f;
  --accent: #e0a100;
  --danger: #d4543c;
  --ok: #8fbf6a;
  --line: #2a2e24;
  --field: #1a1d16;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 ui-sans-serif, system-ui, sans-serif;
}

.wrap {
  max-width: 72rem;
  margin: 0 auto;
  padding: 12px 16px 28px;
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.sub {
  margin-left: 8px;
  color: var(--muted);
  font-size: 13px;
}

.version {
  color: var(--muted);
  font-family: ui-monospace, monospace;
  font-size: 12px;
}

.boundary {
  margin: 12px 0 0;
  padding: 8px 10px;
  border-left: 3px solid var(--accent);
  font-size: 14px;
}

form { margin: 14px 0; }

.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 10px;
}

.name {
  width: 6.5rem;
  color: var(--muted);
}

label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

input[type="number"] {
  width: 7rem;
  padding: 6px 8px;
  color: var(--text);
  background: var(--field);
  border: 1px solid var(--line);
  font: 14px/1.2 ui-monospace, monospace;
}

input[type="number"]:focus,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  padding: 8px 14px;
  color: #12140f;
  background: var(--accent);
  border: 0;
  font: 600 14px/1 ui-sans-serif, system-ui, sans-serif;
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: wait;
}

button.plane {
  color: var(--text);
  background: var(--field);
  border: 1px solid var(--line);
}

button.plane.on {
  color: #12140f;
  background: var(--accent);
  border-color: var(--accent);
}

#map-scroll {
  max-height: 70vh;
  overflow: auto;
  border: 1px solid var(--line);
  background: #12140f;
}

#map-stage {
  position: relative;
}

#map-img {
  display: block;
  width: 100%;
  height: auto;
}

#map-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

#status {
  margin: 8px 0 2px;
  font-weight: 600;
}

#status.ok { color: var(--ok); }
#status.bad { color: var(--danger); }
#status.wait { color: var(--accent); }

#ticks,
#meta,
#collision {
  margin: 2px 0;
}

.muted { color: var(--muted); }

.coords { font-family: ui-monospace, monospace; font-size: 13px; }

#collision { color: var(--text); }

ol {
  margin: 8px 0;
  padding-left: 1.2rem;
  font-family: ui-monospace, monospace;
  font-size: 13px;
}

li { margin: 4px 0; }

.instr {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
}

canvas {
  display: block;
  width: 100%;
  height: 360px;
  background: var(--field);
  border: 1px solid var(--line);
}

.foot { margin: 12px 0 0; font-size: 13px; }

a { color: var(--accent); }