:root {
  color-scheme: dark;
  font-family: "Courier New", ui-monospace, monospace;
  background: #09071c;
  --ink: #fff7d6;
  --gold: #ffd24a;
  --purple: #7b52ff;
  --panel: rgba(12, 9, 35, 0.94);
}

* { box-sizing: border-box; }

html, body { width: 100%; min-height: 100%; margin: 0; overflow: hidden; }

body {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 20%, #2e2276 0, transparent 34rem),
    linear-gradient(#0b0820, #05030e);
  color: var(--ink);
  touch-action: none;
}

.game-shell {
  position: relative;
  width: min(100vw, calc(100vh * 16 / 9));
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #45b8f4;
  box-shadow: 0 0 0 3px #342b67, 0 24px 80px #000a;
}

#ui-buttons {
  position: absolute;
  z-index: 4;
  right: 12px;
  bottom: 12px;
  display: flex;
  gap: 7px;
}

#ui-buttons button {
  padding: 7px 10px;
  border: 1px solid #a89de0;
  border-bottom-width: 3px;
  border-radius: 4px;
  background: rgba(20, 14, 52, .88);
  color: #fff7d6;
  font-size: 10px;
  font-weight: 900;
}

.game-modal {
  position: absolute;
  z-index: 8;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(7, 5, 24, .74);
  backdrop-filter: blur(3px);
}

.game-modal.hidden { display: none; }

.modal-card {
  width: min(720px, 94%);
  max-height: 92%;
  overflow: auto;
  padding: clamp(18px, 3vw, 30px);
  border: 3px solid #9c87ef;
  background: linear-gradient(180deg, #21174d, #100b2b);
  box-shadow: 0 8px 0 #07051a, 0 24px 70px #000b;
  text-align: center;
}

.modal-card h2 {
  margin: 3px 0 20px;
  color: var(--gold);
  font-size: clamp(28px, 5vw, 48px);
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  text-align: left;
}

.shortcut-grid span {
  display: grid;
  grid-template-columns: 105px 1fr;
  align-items: center;
  min-height: 38px;
  padding: 6px 8px;
  background: #2b2158;
  border-left: 3px solid #8466ff;
  font-size: 12px;
}

.shortcut-grid b { font-weight: 700; }
.modal-hint { margin: 18px 0 0; color: #c9c1e8; font-size: 11px; }

.sound-card { width: min(470px, 94%); text-align: left; }
.sound-card h2, .sound-card .eyebrow { text-align: center; }
.sound-card > label:not(.sound-toggle) { display: flex; justify-content: space-between; margin-top: 15px; font-size: 13px; }
.sound-card output { color: #ffe05c; font-weight: 900; }
.sound-card input[type="range"] { width: 100%; margin: 9px 0 12px; accent-color: #8d65ff; }
.sound-toggle { display: flex; align-items: center; gap: 10px; margin: 15px 0 4px; font-weight: 900; }
.sound-toggle input { width: 18px; height: 18px; accent-color: #8d65ff; }
.primary.compact { display: block; margin: 22px auto 0; padding: 9px 22px; }

canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.panel {
  position: absolute;
  z-index: 6;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(18px, 4vw, 48px);
  text-align: center;
  background: linear-gradient(180deg, rgba(10, 7, 32, .38), rgba(10, 7, 32, .92));
  transition: opacity .2s ease, visibility .2s ease;
}

.panel.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.eyebrow { margin: 0 0 4px; color: #a9e9ff; font-weight: 700; letter-spacing: .22em; font-size: clamp(10px, 1.4vw, 15px); }
h1 { margin: 0; color: var(--gold); font-size: clamp(38px, 8vw, 84px); line-height: .95; text-shadow: 0 5px 0 #9b551e, 0 9px 0 #2d174c; }
.story { max-width: 680px; margin: 18px 0; font-size: clamp(12px, 1.7vw, 18px); line-height: 1.45; }

.control-grid {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 8px 18px;
  margin-bottom: 20px;
  text-align: left;
  font-size: clamp(9px, 1.15vw, 13px);
}

kbd {
  display: inline-block;
  min-width: 24px;
  padding: 3px 5px;
  border: 1px solid #8d82bd;
  border-bottom-width: 3px;
  border-radius: 4px;
  background: #2a2250;
  color: #fff;
  text-align: center;
}

button { font: inherit; color: inherit; border: 0; cursor: pointer; user-select: none; }
.primary { padding: 13px 25px; border: 3px solid #fff0a0; background: #7044ee; box-shadow: 0 6px 0 #332070; font-weight: 900; letter-spacing: .05em; }
.primary:active { transform: translateY(4px); box-shadow: 0 2px 0 #332070; }
.hint { margin: 16px 0 0; color: #bcb5d8; font-size: 11px; }

#touch-controls { display: none; position: absolute; inset: 0; pointer-events: none; }
.touch-move, .touch-actions { position: absolute; bottom: max(12px, env(safe-area-inset-bottom)); display: flex; align-items: flex-end; gap: 8px; pointer-events: auto; }
.touch-move { left: max(12px, env(safe-area-inset-left)); }
.touch-actions { right: max(12px, env(safe-area-inset-right)); }
#touch-controls button { width: 52px; height: 52px; border: 2px solid #fff9; border-radius: 50%; background: #18123eb5; font-size: 22px; box-shadow: 0 4px 0 #06051ab5; }
#touch-controls button.small { width: 42px; height: 42px; font-size: 17px; }
#touch-controls button.active { transform: translateY(3px); background: #754cffd9; box-shadow: 0 1px 0 #06051a; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

@media (pointer: coarse), (max-width: 820px) {
  #touch-controls.visible { display: block; }
  .control-grid { grid-template-columns: repeat(3, auto); gap: 6px 12px; }
  #ui-buttons { top: 10px; right: 10px; bottom: auto; }
  #shortcuts-btn { display: none; }
  .shortcut-grid { grid-template-columns: 1fr; }
}

@media (max-height: 500px) {
  .story { margin: 10px 0; }
  .control-grid { margin-bottom: 12px; gap: 4px 12px; }
  .hint { display: none; }
}