:root {
  color-scheme: light;
  --ink: #28312f;
  --soft-ink: rgba(40, 49, 47, 0.72);
  --panel: rgba(255, 253, 247, 0.84);
  --panel-strong: rgba(255, 253, 247, 0.96);
  --line: rgba(47, 60, 54, 0.16);
  --sage: #607d72;
  --sage-dark: #35584d;
  --gold: #d7a74d;
  --shadow: rgba(36, 33, 27, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #dfe8df;
  color: var(--ink);
  font-family:
    "Noto Sans TC",
    "Microsoft JhengHei",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
}

body {
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font: inherit;
}

.stage-shell {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  touch-action: none;
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

#game.is-grabbing {
  cursor: grabbing;
}

.toolbar {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  right: max(14px, env(safe-area-inset-right));
  display: flex;
  gap: 10px;
  z-index: 4;
}

.toolbar button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--sage-dark);
  box-shadow: 0 12px 28px var(--shadow);
  cursor: pointer;
}

.toolbar button:active {
  transform: translateY(1px);
}

.tuning-panel {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  left: max(14px, env(safe-area-inset-left));
  z-index: 5;
  width: min(340px, calc(100vw - 28px));
  max-height: min(680px, calc(100vh - 28px));
  overflow: auto;
  border: 1px solid rgba(47, 60, 54, 0.18);
  border-radius: 8px;
  background: rgba(255, 253, 247, 0.92);
  box-shadow: 0 18px 44px rgba(36, 33, 27, 0.2);
  backdrop-filter: blur(14px);
  color: var(--ink);
}

.tuning-panel[hidden] {
  display: none !important;
}

.tuning-panel header,
.tuning-panel footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
}

.tuning-panel header {
  border-bottom: 1px solid var(--line);
}

.tuning-panel footer {
  border-top: 1px solid var(--line);
}

.tuning-panel header button,
.tuning-panel footer button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--sage-dark);
  cursor: pointer;
}

.tuning-panel header button {
  width: 34px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
}

.tuning-panel footer button {
  padding: 0 10px;
}

.tuning-panel small {
  color: var(--soft-ink);
  font-size: 12px;
  line-height: 1.35;
}

.tuning-form {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.tuning-row {
  display: grid;
  grid-template-columns: minmax(82px, 1fr) auto;
  align-items: center;
  gap: 7px 10px;
}

.tuning-row label {
  color: var(--sage-dark);
  font-size: 13px;
  font-weight: 700;
}

.tuning-row output {
  min-width: 58px;
  color: var(--soft-ink);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.tuning-row input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--sage-dark);
}

.chat-dock {
  position: fixed;
  left: max(14px, env(safe-area-inset-left));
  right: max(14px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 4;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: min(680px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 36px var(--shadow);
  backdrop-filter: blur(14px);
}

.chat-dock[hidden] {
  display: none !important;
}

.chat-dock label {
  padding: 0 4px;
  color: var(--sage-dark);
  font-weight: 700;
  white-space: nowrap;
}

.chat-dock input {
  min-width: 0;
  height: 42px;
  border: 1px solid rgba(65, 85, 76, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  outline: none;
  padding: 0 12px;
}

.chat-dock input:focus {
  border-color: rgba(53, 88, 77, 0.58);
  box-shadow: 0 0 0 3px rgba(96, 125, 114, 0.18);
}

.chat-dock button {
  height: 42px;
  border: 0;
  border-radius: 8px;
  background: var(--sage-dark);
  color: white;
  padding: 0 16px;
  cursor: pointer;
}

.chat-dock button:active {
  transform: translateY(1px);
}

@media (max-width: 560px) {
  .toolbar {
    top: max(10px, env(safe-area-inset-top));
    right: max(10px, env(safe-area-inset-right));
    gap: 8px;
  }

  .toolbar button {
    width: 40px;
    height: 40px;
  }

  .tuning-panel {
    top: auto;
    bottom: max(10px, env(safe-area-inset-bottom));
    width: min(340px, calc(100vw - 20px));
    max-height: min(520px, calc(100vh - 20px));
  }

  .chat-dock {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px;
    padding: 8px;
  }

  .chat-dock button {
    grid-column: 1 / -1;
    width: 100%;
  }
}