@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  color-scheme: dark;
  --bg: #0b0c10;
  --surface: #111319;
  --border: #23262f;
  --text: #ecedf1;
  --text-dim: #8c91a0;
  --muted: #8c91a0;
  --green: #ff6a2b;
  --green-dim: #8c91a0;
  --amber: #ffb03b;
  --teal: #53d6c6;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Manrope', sans-serif;
}

html { width: 100%; height: 100%; background: var(--bg); }
body {
  width: 100%; max-width: none; height: 100vh; height: 100dvh;
  margin: 0; padding: 16px; overflow: hidden;
  background: var(--bg); color: var(--text);
  font: 400 12px/1.5 var(--sans);
  display: flex; flex-direction: column;
}
header {
  flex: 0 0 auto; min-height: 40px; align-items: center;
  gap: 16px; margin: 0 0 16px; padding: 0 0 12px;
  border-bottom: 1px solid var(--border);
}
.logo { color: var(--amber); opacity: 1; font-size: 10px; letter-spacing: .1em; }
h1 { color: var(--text); font-size: 14px; font-weight: 500; line-height: 1.5; letter-spacing: .06em; }
.main {
  flex: 1 1 0; width: 100%; min-width: 0; min-height: 0;
  display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px;
  overflow: hidden;
}
.sidebar {
  width: 100%; min-width: 0; min-height: 0; gap: 12px;
  overflow-y: auto; overflow-x: hidden; padding-right: 4px;
  scrollbar-width: thin; scrollbar-color: #393e4c var(--bg);
}
.sidebar::-webkit-scrollbar, .settings-modal::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track, .settings-modal::-webkit-scrollbar-track { background: var(--bg); }
.sidebar::-webkit-scrollbar-thumb, .settings-modal::-webkit-scrollbar-thumb { background: #393e4c; border-radius: 10px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: #555d70; }
.panel { flex: 0 0 auto; padding: 16px; border: 0; border-radius: 12px; background: var(--surface); }
.panel-title, .modal-head h2 {
  color: var(--text-dim); font: 500 10px/1.5 var(--mono);
  text-transform: uppercase; letter-spacing: .14em; margin-bottom: 16px;
}
.controls { gap: 16px; }
.ctrl, .ctrl.speed-ctrl {
  display: grid; grid-template-columns: minmax(0, 1fr) 44px;
  align-items: center; gap: 8px 12px;
}
.ctrl label, .ctrl.speed-ctrl label {
  grid-column: 1 / -1; min-width: 0; white-space: nowrap;
  color: var(--text-dim); font: 500 11px/1.5 var(--sans); letter-spacing: 0;
}
.ctrl span, .ctrl.speed-ctrl span { color: var(--amber); font: 500 12px/1.5 var(--mono); font-variant-numeric: tabular-nums; }
.ctrl input[type=range] {
  width: 100%; min-width: 0; height: 4px; margin: 6px 0;
  background: #303541; border-radius: 10px; cursor: pointer;
}
.ctrl input[type=range]::-webkit-slider-thumb { width: 12px; height: 12px; background: var(--green); box-shadow: none; }
.ctrl input[type=range]::-moz-range-thumb { width: 12px; height: 12px; background: var(--green); box-shadow: none; }
.ctrl.speed-ctrl { margin-top: 16px; }
.btn-row { display: grid; grid-template-columns: 1fr; gap: 8px; }
button {
  min-height: 36px; padding: 8px 12px; border: 1px solid #45404a;
  border-radius: 10px; background: transparent; color: var(--text);
  font: 500 11px/1.5 var(--mono); letter-spacing: .02em; text-transform: none;
}
button:hover { background: #1d2029; border-color: var(--amber); }
#btnPause, #btnPause.is-paused { background: var(--green); color: #0b0c10; border-color: var(--green); font-weight: 600; }
#btnPause:hover { background: #ff854f; border-color: #ff854f; }
#btnReset { color: var(--amber); border-color: #795131; }
.icon-button { width: 36px; height: 36px; min-height: 36px; padding: 0; font: 20px/1 var(--sans); border-color: var(--border); background: var(--surface); }
:where(button, input, select, a):focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.stats-row { gap: 8px; }
.stat { font-size: 11px; letter-spacing: 0; }
.ml-row { padding: 4px 0; font-size: 10px; letter-spacing: 0; }
.ml-row > span { font-family: var(--sans); }
.ml-row b { color: var(--text); }
.leg-item { font-size: 11px; letter-spacing: 0; gap: 8px; }
.hint { font: 400 11px/1.7 var(--sans); letter-spacing: 0; }
/* Definite grid tracks prevent the canvas bitmap dimensions from sizing the layout. */
.canvas-area {
  width: 100%; height: 100%; min-width: 0; min-height: 0;
  display: grid; grid-template-rows: minmax(0, 1fr) clamp(120px, 20vh, 180px);
  gap: 12px; overflow: hidden;
}
.canvas-area canvas, #c, #elev {
  display: block; width: 100%; height: 100%; min-width: 0; min-height: 0;
  border: 0; border-radius: 12px; background: #14161d;
}
.settings-overlay { padding: 72px 24px 24px; background: #0009; backdrop-filter: blur(4px); }
.settings-modal {
  width: min(400px, 100%); max-height: 100%; overflow-y: auto;
  padding: 24px; background: #14161d; border: 1px solid var(--border); border-radius: 14px;
  scrollbar-width: thin; scrollbar-color: #393e4c #14161d;
}
.modal-head h2 { margin: 0; }
.settings-grid { gap: 16px; }
.settings-info { border-color: var(--border); padding-bottom: 12px; }
select { color: var(--text); background: var(--bg); border-color: var(--border); border-radius: 10px; padding: 10px 12px; }
.file-row input[type=file]::file-selector-button { color: var(--amber); border-color: #795131; border-radius: 8px; }
body > a { opacity: .8; }
body > a:hover { opacity: 1; }
@media (max-width: 760px) {
  body { padding: 12px; }
  header { gap: 12px; flex-wrap: wrap; }
  h1 { font-size: 11px; order: 3; flex-basis: 100%; }
  .main { grid-template-columns: 280px minmax(0, 1fr); gap: 12px; }
}
@media (max-width: 560px) {
  body { height: auto; min-height: 100dvh; overflow: auto; }
  .main { flex: none; display: flex; flex-direction: column; overflow: visible; }
  .canvas-area { order: -1; height: 65dvh; min-height: 360px; grid-template-rows: minmax(0, 1fr) 120px; }
  .sidebar { overflow: visible; padding: 0; }
  .settings-overlay { padding: 12px; }
  body > a { position: static !important; align-self: flex-end; margin-top: 12px; }
}

/* Visitor control desk. Keep simulation and developer controls in the DOM. */
#btnSettings, #settingsOverlay, #settingsOverlay.is-open { display: none !important; }
.main { grid-template-columns: 312px minmax(0, 1fr); }
.sidebar {
  gap: 10px; padding-right: 6px; scroll-padding-top: 160px;
  scrollbar-color: #2e323d var(--bg);
}
.sidebar .panel { padding: 20px; border-radius: 14px; }
.sidebar .panel-title {
  margin-bottom: 18px; font: 600 10px/1.4 var(--mono);
  letter-spacing: .1em; color: var(--text-dim);
}
.sidebar .command-panel {
  position: sticky; top: 0; z-index: 5; padding: 16px;
  background: #14161d; box-shadow: 0 8px 20px #0003;
}
.command-panel .panel-title { margin-bottom: 12px; }
.command-panel .btn-row { grid-template-columns: 1fr 1.12fr; gap: 8px; }
.command-panel button {
  min-width: 0; min-height: 40px; padding: 9px 8px;
  font: 600 11px/1.4 var(--sans); letter-spacing: 0; border-radius: 999px;
}
#btnPause, #btnPause.is-paused { background: #ff6a2b; border-color: transparent; color: #0b0c10; }
#btnPause:hover { background: #ff854f; border-color: transparent; }
#btnReset { color: #c7cbd5; border: 1px solid var(--border); background: #111319; }
#btnReset:hover { color: var(--text); background: #20232c; border-color: #393e4c; }
.parameter-group + .parameter-group { border-top: 1px solid var(--border); margin-top: 22px; padding-top: 20px; }
.group-title {
  display: flex; align-items: center; gap: 8px; margin: 0 0 16px;
  color: var(--text); font: 600 12px/1.5 var(--sans); letter-spacing: 0;
}
.group-title::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #ffb03b; }
.defense .group-title::before { background: var(--teal); }
.sidebar .controls { gap: 18px; }
.sidebar .ctrl {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 8px; align-items: center;
}
.sidebar .ctrl label {
  grid-column: 1; grid-row: 1; white-space: normal;
  color: #b1b6c3; font: 500 11px/1.5 var(--sans);
}
.sidebar .ctrl > span {
  grid-column: 2; grid-row: 1; min-width: 38px; padding: 3px 7px;
  border-radius: 6px; background: #1d2029; color: #ecedf1;
  text-align: center; font: 500 11px/1.4 var(--mono); font-variant-numeric: tabular-nums;
}
.sidebar .ctrl input[type=range] {
  grid-column: 1 / -1; grid-row: 2; appearance: none;
  width: 100%; height: 16px; margin: 0; border-radius: 99px;
  background: linear-gradient(#303440, #303440) center / 100% 3px no-repeat;
  cursor: pointer;
}
.sidebar .ctrl input[type=range]::-webkit-slider-thumb {
  appearance: none; width: 13px; height: 13px; border: 0;
  border-radius: 50%; background: #ff6a2b; box-shadow: 0 0 0 4px #ff6a2b12;
  transition: box-shadow .15s;
}
.sidebar .ctrl input[type=range]::-moz-range-thumb {
  width: 13px; height: 13px; border: 0; border-radius: 50%;
  background: #ff6a2b; box-shadow: 0 0 0 4px #ff6a2b12;
}
.sidebar .ctrl input[type=range]:hover::-webkit-slider-thumb { box-shadow: 0 0 0 5px #ff6a2b24; }
.sidebar .ctrl input[type=range]:hover::-moz-range-thumb { box-shadow: 0 0 0 5px #ff6a2b24; }
.sidebar .ctrl input[type=range]:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }
.sidebar .speed-ctrl { margin-top: 14px; gap: 6px 8px; }
.sidebar .stats-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.sidebar .stat {
  display: flex; flex-direction: column; justify-content: center;
  min-width: 0; min-height: 78px; padding: 12px;
  border-radius: 10px; background: #171a22; letter-spacing: 0;
}
.sidebar .stat b { color: #ffb03b; font: 500 23px/1.3 var(--mono); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.sidebar .stat-label { margin-top: 5px; color: var(--text-dim); font: 500 10px/1.4 var(--sans); }
.sidebar .stat-hit b { color: #f79b70; }
.sidebar .stat-int b, .sidebar .stat-ad b { color: var(--teal); }
.sidebar .stat-time b, .sidebar .stat-reward b { color: #c1c6d2; font-size: 16px; }
.sidebar .secondary-panel { background: transparent; border-top: 1px solid var(--border); border-radius: 0; padding-top: 18px; padding-bottom: 12px; }
.sidebar .secondary-panel .panel-title { margin-bottom: 12px; }
.sidebar .ml-row { padding: 4px 0; font-size: 10px; }
.sidebar .ml-row b { color: #a7adbb; font: 400 10px/1.5 var(--mono); }
.sidebar .legend { gap: 10px; }
.sidebar .leg-item { font: 400 11px/1.5 var(--sans); }
.sidebar .leg-dot { width: 6px; height: 6px; opacity: .8; }
.sidebar .mt-auto { margin-top: 0; padding-top: 8px; background: transparent; }
.sidebar .hint { font-size: 10px; color: #8c91a0; }
@media (max-width: 760px) and (min-width: 561px) {
  .main { grid-template-columns: 292px minmax(0, 1fr); }
  .sidebar .panel { padding: 16px; }
}
@media (max-width: 560px) {
  .sidebar { padding-right: 0; overflow: visible; }
  .sidebar .command-panel { top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .sidebar button, .sidebar input { transition: none; }
}