:root {
  --rock: #1b1917;
  --rock-2: #262320;
  --floor: #3a3128;
  --floor-2: #4a3d2f;
  --dark: #0d0c0b;
  --ink: #f3ebdd;
  --muted: #a9998a;
  --amber: #ffb457;
  --green: #8fd6a6;
  --line: #302a24;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(110% 60% at 15% -10%, #241d16 0, transparent 55%),
    radial-gradient(90% 60% at 100% 0%, #1a1512 0, transparent 50%),
    #100e0c;
  color: var(--ink);
  font: 400 16.5px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

h1, h2 { font-family: ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif; }

.masthead {
  max-width: 62rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 0.5rem;
}
.masthead h1 {
  margin: 0;
  font-size: clamp(1.9rem, 6vw, 2.9rem);
  letter-spacing: -.02em;
}
.tagline {
  margin: .5rem 0 0;
  color: var(--muted);
  max-width: 42rem;
  font-size: .98rem;
}

.layout {
  max-width: 62rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  display: grid;
  gap: 1.75rem;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: start;
}
@media (max-width: 56rem) {
  .layout { grid-template-columns: minmax(0, 1fr); }
}

.stage { min-width: 0; }

.hud {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem 1.25rem;
  margin-bottom: .85rem;
}
.hud-item { margin: 0; font-size: .95rem; }
.hud-label {
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-right: .3rem;
}
.arrows { letter-spacing: .1em; }
.arrows .spent { opacity: .22; }
.status { width: 100%; color: var(--muted); }
.status.win { color: var(--green); }
.status.dead { color: var(--amber); }

/* The cave itself: a container, so the glyphs can be sized off its width. */
.cave {
  container-type: inline-size;
  display: grid;
  grid-template-columns: repeat(var(--cols, 12), minmax(0, 1fr));
  gap: 3px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #0a0908;
  box-shadow: inset 0 0 60px rgba(0, 0, 0, .9), 0 18px 40px -24px rgba(0, 0, 0, .9);
}

.tile {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 5px;
  font-size: 5.4cqw;
  line-height: 1;
  background: var(--dark);
}

.tile.unknown { background: var(--dark); }
.tile.rock {
  background:
    linear-gradient(140deg, var(--rock-2) 0%, var(--rock) 75%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04), inset 0 -2px 4px rgba(0, 0, 0, .6);
}
.tile.lit { background: var(--dark); }
.tile.lit:not(.rock) {
  background:
    radial-gradient(120% 120% at 30% 20%, var(--floor-2) 0%, var(--floor) 60%, #2b241c 100%);
}
.tile.lit:not(.rock):not(.here):not(.pit):not(.bats) { box-shadow: inset 0 0 8px rgba(0, 0, 0, .45); }

.tile.here {
  background: radial-gradient(120% 120% at 50% 40%, #6b4b22 0%, #3a2a15 70%);
  box-shadow: 0 0 0 1px var(--amber), 0 0 18px -2px rgba(255, 180, 87, .7);
}
.tile.pit { background: radial-gradient(120% 120% at 50% 50%, #000 0%, #0b0a09 70%); }
.tile.bats { background: radial-gradient(120% 120% at 40% 30%, #2c2433 0%, #1a1720 70%); }
.tile.wumpus, .tile.dead { background: radial-gradient(120% 120% at 50% 50%, #4a1414 0%, #240d0d 75%); }
.tile.wumpus { box-shadow: 0 0 0 1px #b3443a, 0 0 18px -2px rgba(200, 60, 50, .6); }
.tile.dead { filter: grayscale(.6); }

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin: 1.25rem 0 0;
}
.pad-label {
  margin: 0 0 .35rem;
  text-align: center;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.pad {
  display: grid;
  grid-template-columns: repeat(3, 3.1rem);
  grid-template-rows: repeat(3, 3.1rem);
  gap: 4px;
}
.pad .key {
  font: inherit;
  color: var(--ink);
  background: #221e1a;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}
.pad .key:hover { background: #2c2620; }
.pad .key:active { transform: translateY(1px); }
.pad .up { grid-area: 1 / 2; }
.pad .left { grid-area: 2 / 1; }
.pad .right { grid-area: 2 / 3; }
.pad .down { grid-area: 3 / 2; }
.pad.fire .key { background: #2b2317; font-size: 1.15rem; }
.pad.fire .key:hover { background: #3a2f1e; }

.row { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.25rem; }

.btn {
  font: inherit;
  font-weight: 600;
  color: #241a0c;
  background: var(--amber);
  border: 0;
  border-radius: 999px;
  padding: .55rem 1.1rem;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.07); }
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  font-weight: 500;
}
.btn.ghost:hover { background: rgba(255, 255, 255, .05); }
.btn:focus-visible, .key:focus-visible, input:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.hint { color: var(--muted); font-size: .85rem; margin: 1rem 0 0; }
kbd {
  font: inherit;
  font-size: .8em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: .05em .35em;
  background: rgba(255, 255, 255, .04);
}

.side { display: grid; gap: 1.25rem; min-width: 0; }

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, .02);
}
.panel h2 { margin: 0 0 .6rem; font-size: 1.05rem; }
.note { color: var(--muted); font-size: .86rem; margin: .6rem 0 0; }

.senses { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.senses li { display: flex; gap: .55rem; font-size: .95rem; }
.senses li.quiet { color: var(--muted); }

.log {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 11.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  font-size: .92rem;
}
.log li { color: var(--muted); }
.log li:last-child { color: var(--ink); }
.log li.good { color: var(--green); }
.log li.bad { color: #f09a86; }

.board { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; font-size: .95rem; }
.board li { display: flex; justify-content: space-between; gap: 1rem; }
.board .who { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board .pts { color: var(--amber); font-variant-numeric: tabular-nums; }
.board li.empty { color: var(--muted); display: block; }

.boardform { margin: 0 0 .9rem; }
.boardform label { display: block; font-size: .92rem; margin-bottom: .5rem; }
.boardform-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.boardform input {
  font: inherit;
  flex: 1 1 9rem;
  min-width: 0;
  color: var(--ink);
  background: #16130f;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .5rem .9rem;
}
.boardform .note { width: 100%; margin: 0; }

.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; grid-template-columns: 1fr 1fr; font-size: .9rem; }
.legend li { display: flex; align-items: center; gap: .45rem; color: var(--muted); }
.legend .glyph { font-size: 1rem; }
.legend .swatch { width: 1rem; height: 1rem; border-radius: 4px; display: inline-block; }
.legend .swatch.rock { background: linear-gradient(140deg, var(--rock-2), var(--rock)); }
.legend .swatch.dark { background: var(--dark); border: 1px solid var(--line); }

.rules summary { cursor: pointer; font-family: ui-serif, Georgia, serif; font-size: 1.05rem; }
.rules p { margin: .75rem 0; }
.rules ul { margin: 0; padding-left: 1.1rem; display: grid; gap: .4rem; font-size: .92rem; color: var(--muted); }
.rules strong { color: var(--ink); }

.footer {
  max-width: 62rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}
.footer p { margin: 0 0 .5rem; }

@media print {
  body { background: #fff; color: #000; }
  .controls, .row, .hint, .boardform { display: none; }
  .panel, .cave, .footer { border-color: #bbb; }
}