:root {
  --bg: #120a1c;
  --panel: #1a1028;
  --line: #3a2a4a;
  --gold: #e6c27a;
  --gold-2: #8a6a32;
  --danger: #e15a4a;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: #f4ead8;
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

button { font: inherit; color: inherit; }

#app {
  height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  position: relative;
}

header, footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--panel);
}

header { border-bottom: 1px solid var(--gold-2); }
footer { border-top: 1px solid var(--gold-2); flex-wrap: wrap; }

.brand {
  font-family: "Noto Serif TC", serif;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.pill {
  font-size: 14px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  white-space: nowrap;
}

#stock b { font-weight: 700; margin: 0 6px 0 2px; }
.night #day { color: #9ab8ff; border-color: #4a5a9a; }
.low { color: var(--danger); border-color: var(--danger); }

.spacer { flex: 1; }

button {
  background: #241833;
  border: 1px solid var(--gold-2);
  padding: 6px 10px;
  cursor: pointer;
}

button:hover:not(:disabled) { border-color: var(--gold); }
button:disabled { opacity: 0.45; cursor: default; }
button.on { background: #4a3466; border-color: var(--gold); }

main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  min-height: 0;
}

#stage {
  display: grid;
  place-items: center;
  min-height: 0;
  overflow: hidden;
}

canvas {
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 16 / 9;
  image-rendering: pixelated;
  cursor: crosshair;
}

aside {
  background: var(--panel);
  border-left: 1px solid var(--gold-2);
  padding: 10px 12px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.5;
}

aside h2 {
  font-family: "Noto Serif TC", serif;
  font-size: 15px;
  color: var(--gold);
  margin: 4px 0 6px;
}

aside section + section { margin-top: 16px; }
.fc-row { display: flex; justify-content: space-between; gap: 6px; }
.fc-tip { color: #b9a9cc; font-size: 13px; margin: 0 0 6px; }

#tools { display: flex; gap: 4px; flex-wrap: wrap; }
#tools button { font-size: 13px; padding: 4px 8px; line-height: 1.25; text-align: left; }
#tools small { display: block; color: #b9a9cc; font-size: 11px; }
#tools button.poor small { color: var(--danger); }

#hint { flex: 1; min-width: 240px; font-size: 14px; color: var(--gold); }

#overlay {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(10, 6, 16, 0.82);
}

#overlay.show { display: grid; }

.card {
  background: var(--panel);
  border: 1px solid var(--gold-2);
  padding: 22px 26px;
  max-width: 640px;
  width: calc(100% - 32px);
  max-height: 90vh;
  overflow-y: auto;
}

.card h1 {
  font-family: "Noto Serif TC", serif;
  color: var(--gold);
  margin: 0 0 10px;
  font-size: 24px;
}

.card ol, .card ul { padding-left: 20px; line-height: 1.7; }
.card .row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.perk { flex: 1 1 160px; text-align: left; padding: 12px; }
.perk b { display: block; color: var(--gold); margin-bottom: 4px; }
.card table { border-collapse: collapse; width: 100%; font-size: 14px; }
.card td, .card th { border-bottom: 1px solid var(--line); padding: 3px 6px; text-align: left; }