:root {
  color-scheme: dark;
  --bg: #101713;
  --bg-alt: #0b110d;
  --panel: #141e16;
  --panel-2: #172019;
  --line: #2b382e;
  --line-2: #3a4b38;
  --text-1: #eef1e9;
  --text-2: #acb7ac;
  --muted: #7f967a;
  --accent: #b4f784;
  --accent-dim: #669a45;
  --accent-bg: #1e2c1f;
  --track: #253322;
  --ink: #182613;
  --warn: #f2a07b;
  --sans: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Space Grotesk", "DM Sans", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text-1); font: 15px/1.5 var(--sans); }
button, select, input { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
[hidden] { display: none !important; }

.bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 32px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text-1); text-decoration: none; }
.brand svg { width: 20px; height: 20px; color: var(--accent); }
.brand strong { font: 600 19px/1 var(--display); letter-spacing: -0.4px; }
.brand span { color: var(--text-2); font-size: 15px; }
.modes { display: flex; gap: 4px; padding: 4px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.modes button {
  border: 0; background: none; padding: 7px 14px; border-radius: 7px; color: var(--text-2);
  font-size: 14px; font-weight: 500;
}
.modes button[aria-selected="true"] { background: var(--accent-bg); color: var(--accent); }
.modes button:hover { color: var(--text-1); }
.lang { border: 1px solid var(--line); background: none; border-radius: 7px; padding: 6px 10px; color: var(--text-2); font-size: 13px; }

.stage {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 32px; align-items: start;
  max-width: 1240px; margin: 0 auto; padding: 28px 32px 12px;
}
.game { display: grid; grid-template-columns: auto 132px; gap: 22px; }
.well-frame { padding: 12px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 14px; position: relative; width: max-content; }
#well { display: block; }
.overlay {
  position: absolute; inset: 12px; display: grid; place-items: center; text-align: center;
  background: rgba(11, 17, 13, 0.82); border-radius: 6px; padding: 20px;
}
.overlay h2 { margin: 0 0 6px; font: 500 26px/1.2 var(--display); }
.overlay p { margin: 0; color: var(--text-2); font-size: 14px; }
.side { display: flex; flex-direction: column; gap: 18px; padding-top: 2px; }
.label { font: 11px/1 var(--mono); letter-spacing: 1.8px; color: var(--muted); text-transform: uppercase; }
#next { display: block; width: 110px; height: 150px; margin-top: 10px; }
.stat dd { margin: 6px 0 0; font: 500 30px/1 var(--display); letter-spacing: -0.5px; }
.stat dt { font: 11px/1 var(--mono); letter-spacing: 1.8px; color: var(--muted); text-transform: uppercase; }
dl { margin: 0; display: flex; flex-direction: column; gap: 18px; }
.goal small { font: 15px var(--sans); color: var(--muted); margin-left: 4px; }
.goal .meter { height: 4px; margin-top: 10px; background: var(--track); border-radius: 2px; overflow: hidden; width: 112px; }
.goal .meter i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 2px; transition: width 0.3s ease; }
.goal.done dd { color: var(--accent); }

.panel { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; min-height: 40px; }
.controls label { display: flex; align-items: center; gap: 8px; color: var(--text-2); font-size: 13px; }
.controls select, .controls input {
  background: var(--panel); border: 1px solid var(--line-2); border-radius: 7px; padding: 6px 10px; font-size: 14px;
}
.controls input { width: 88px; }
.button {
  display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-2); background: var(--panel);
  border-radius: 8px; padding: 7px 14px; font-size: 14px; font-weight: 500; color: var(--text-1);
}
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.button.primary:hover { background: #ceffa8; }
.button:hover { border-color: var(--accent-dim); }
.speed { display: inline-flex; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; }
.speed button { border: 0; background: var(--panel); padding: 7px 11px; font: 13px var(--mono); color: var(--text-2); }
.speed button[aria-pressed="true"] { background: var(--accent-bg); color: var(--accent); }
.hint { color: var(--muted); font-size: 13px; }
.status { font: 12px var(--mono); color: var(--muted); }
.status.ok { color: var(--accent); }
.status.error { color: var(--warn); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px 16px; }
.card-head { display: flex; align-items: center; gap: 18px; }
.card-head code { font: 14px var(--mono); color: var(--text-2); }
.card-head .count { font: 11px var(--mono); letter-spacing: 1.6px; color: var(--muted); }
.pill { margin-left: auto; font: 10px/1 var(--mono); letter-spacing: 1.4px; color: var(--accent); border: 1px solid #49633b; border-radius: 5px; padding: 5px 7px; }
.subtitle { margin: 10px 0 12px; font-size: 15px; font-weight: 500; }
.sweep { height: 1px; background: var(--line); position: relative; overflow: hidden; }
.sweep i { position: absolute; top: 0; height: 2px; width: 30%; background: var(--accent); left: -30%; opacity: 0; }
.card.waiting .sweep i { opacity: 1; animation: sweep 0.65s linear infinite; }
@keyframes sweep { to { left: 100%; } }
.row-label { display: flex; justify-content: space-between; margin: 14px 0 8px; }
.row-label span { font: 11px var(--mono); letter-spacing: 1.8px; color: var(--muted); text-transform: uppercase; }
.row-label .meta { letter-spacing: 0; text-transform: none; }
.sheet-wrap { min-height: 64px; overflow-x: auto; }
.prompt-label { display: none; }
.no-image .image-label, .no-image .sheet-wrap { display: none; }
.no-image .prompt-label { display: inline; }
#sheet { display: block; max-width: 100%; height: auto; image-rendering: pixelated; border-radius: 4px; }
#sheet-img { display: block; max-width: 100%; height: auto; image-rendering: pixelated; border-radius: 4px; }
.plans { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.plans li {
  display: grid; grid-template-columns: 30px minmax(0, 1fr) minmax(90px, 200px) 58px; align-items: center; gap: 12px;
  padding: 5px 8px; margin: 0 -8px; border-radius: 7px; transition: background 0.3s ease;
}
.plans li.chosen { background: var(--accent-bg); }
.badge { font: 500 12px/20px var(--mono); text-align: center; border-radius: 5px; background: #1c2a20; color: var(--text-2); transition: background 0.3s, color 0.3s; }
.chosen .badge { background: var(--accent); color: var(--ink); }
.facts { font-size: 14px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.facts .good { color: var(--accent); }
.facts .bad { color: var(--warn); }
.track { height: 6px; background: var(--track); border-radius: 3px; overflow: hidden; }
.track i { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg, var(--accent-dim), var(--accent)); transition: width 0.33s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pct { font: 13px var(--mono); text-align: right; color: var(--text-2); }
.chosen .pct { color: var(--text-1); }
.metrics { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); font: 12px var(--mono); color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 16px; min-height: 30px; }
.metrics b { color: var(--text-1); font-weight: 500; }
.metrics b.accent { color: var(--accent); }

.keys { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; min-height: 36px; font-size: 13px; color: var(--muted); }
.keys .then { margin: 0 6px 0 10px; }
.key {
  width: 34px; height: 30px; display: inline-grid; place-items: center; border-radius: 7px;
  border: 1px solid var(--line-2); background: #17201a; color: var(--text-2);
}
.key svg { width: 16px; height: 16px; }
.key.done { background: #1c2a20; border-color: #28382a; color: var(--muted); }
.key.active { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.piece-chip { width: 22px; height: 14px; }

.help { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px 18px; margin: 0; padding: 0; list-style: none; }
.help li { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: 14px; }
.help kbd { font: 12px var(--mono); border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px; padding: 2px 7px; color: var(--text-1); min-width: 28px; text-align: center; }

.touch { display: none; grid-column: 1 / -1; gap: 8px; justify-content: center; }
.touch button { width: 56px; height: 48px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--panel); display: grid; place-items: center; }
.touch svg { width: 20px; height: 20px; }
@media (pointer: coarse) { .playing .touch { display: flex; } }

.foot { max-width: 1240px; margin: 0 auto; padding: 8px 32px 28px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 12px; }
.foot a { color: var(--text-2); }

html[data-lang="en"] [lang="zh"], html[data-lang="zh"] [lang="en"] { display: none !important; }

@media (max-width: 980px) {
  .stage { grid-template-columns: 1fr; padding: 20px 16px 8px; }
  .game { justify-content: center; }
  .bar { padding: 12px 16px; flex-wrap: wrap; }
  .foot { padding: 8px 16px 24px; flex-direction: column; }
}
@media (max-width: 480px) {
  .game { grid-template-columns: auto; justify-items: center; }
  .side { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 14px 22px; }
  .side dl { flex-direction: row; flex-wrap: wrap; gap: 14px 22px; }
  .stat dd { font-size: 24px; }
  .plans li { grid-template-columns: 28px minmax(0, 1fr) 70px 52px; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}