:root {
  color-scheme: dark;
  font-family: "Courier New", "Lucida Console", monospace;
  background: #070b07;
  color: #72d45b;
  --ink: #72d45b;
  --ink-bright: #b7ff9d;
  --ink-dim: #385f36;
  --line: #2b512b;
  --panel: #0b130b;
  --gold: #f1d85a;
  --danger: #ff806d;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 18rem;
  min-height: 100vh;
  margin: 0;
  padding: 1rem;
  background:
    radial-gradient(circle at 50% 0%, #172817 0, #0b120b 42%, #070b07 82%);
  color: var(--ink);
}

button,
kbd,
pre {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  padding: 0.4rem 0.6rem;
  color: var(--ink-bright);
  background: #0a120a;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

button:hover,
button:focus-visible {
  border-color: var(--ink-bright);
  background: #183318;
  color: #ffffff;
  outline: 2px solid var(--ink-bright);
  outline-offset: 2px;
}

button:active {
  background: #244a24;
}

.shell {
  width: min(100%, 58rem);
  margin: 0 auto;
  border: 1px solid var(--line);
  padding: clamp(0.65rem, 2vw, 1rem);
  background: rgba(5, 12, 5, 0.72);
  box-shadow: 0 0 0 1px #101e10, 0 1rem 3rem rgba(0, 0, 0, 0.28);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line);
}

h1 {
  margin: 0;
  color: var(--ink-bright);
  font-size: clamp(1rem, 3vw, 1.4rem);
  letter-spacing: 0.08em;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 11rem;
  gap: clamp(0.8rem, 3vw, 1.35rem);
  align-items: start;
}

.dungeon-panel {
  min-width: 0;
}

.dungeon {
  min-height: 22rem;
  margin: 0;
  overflow: auto;
  border: 1px solid var(--line);
  padding: clamp(0.55rem, 2vw, 0.85rem);
  color: var(--ink);
  background: #050905;
  font-size: clamp(0.57rem, 1.8vw, 0.92rem);
  line-height: 1.25;
  letter-spacing: 0.03em;
  user-select: none;
  scrollbar-color: var(--line) #081008;
}

.dungeon:focus-visible {
  outline: 2px solid var(--ink-bright);
  outline-offset: 3px;
}

.side-panel {
  min-width: 0;
}

.panel-section {
  margin: 0 0 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
}

h2 {
  margin: 0 0 0.7rem;
  color: var(--ink-bright);
  font-size: 0.8rem;
  font-weight: normal;
  letter-spacing: 0.1em;
}

dl {
  margin: 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  margin: 0.65rem 0;
}

dt,
dd {
  margin: 0;
}

dd {
  color: var(--gold);
  font-weight: bold;
}

.instructions p {
  margin: 0.65rem 0;
  font-size: 0.8rem;
  line-height: 1.35;
}

strong {
  color: var(--gold);
}

kbd {
  display: inline-block;
  min-width: 1.4em;
  border: 1px solid var(--ink-dim);
  padding: 0.05rem 0.2rem;
  color: var(--ink-bright);
  background: #101c10;
  text-align: center;
}

.message {
  margin-top: 0.9rem;
  border: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
  background: var(--panel);
}

.message h2 {
  margin-bottom: 0.35rem;
}

.message p {
  margin: 0;
  color: var(--ink-bright);
  font-size: 0.85rem;
  line-height: 1.4;
}

.message[data-paused] {
  border-color: var(--gold);
}

.mobile-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem;
}

.mobile-controls button {
  min-height: 2.5rem;
  font-size: 1.1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

@media (max-width: 40rem) {
  body {
    padding: 0.5rem;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .dungeon {
    min-height: 0;
  }

  .side-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0 1rem;
  }

  .mobile-controls {
    grid-column: 1 / -1;
  }
}

@media (max-width: 28rem) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar button {
    width: 100%;
  }

  .side-panel {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}