* { margin: 0; padding: 0; box-sizing: border-box; }

/* ---------- 外观三档：浅色 / 深色 / 午夜（由 body[data-mode] 切换） ---------- */
html, body { --bg: #101010; }
body, body[data-mode="dark"] {
  --bg: #101010; --stage: #1e1e1e; --veil: rgba(12, 12, 12, 0.88);
  --panel: #1e1e1e; --panel-shadow: rgba(0, 0, 0, 0.6);
  --edge: #3c3c3c; --edge-soft: #333333; --scroll: #3c3c3c;
  --tile: #252526; --tile-hi: #2d2d30; --tile-sel: #1e2b1e; --deep: #161616;
  --ink: #d4d4d4; --ink-strong: #e8e8e8; --ink-mid: #9d9d9d; --ink-dim: #8a8a8a; --ink-faint: #6f6f6f;
  --accent: #4ec9b0; --green: #7ed957; --green-ink: #6a9955; --amber: #dcdcaa;
  --red: #d1695c; --rose: #b9707a; --gold: #ffe28a; --gold-bg: #ffe28a; --blue: #569cd6;
  --btn-ink: #0f2a1e; --gold-ink: #3a2a05;
  --art-bg1: #2b2f35; --art-bg2: #1b1d20; --role-bg: rgba(10, 12, 14, 0.62);
  --chip: #21252b; --tile-line: #33363c; --mask: rgba(10, 10, 10, 0.72);
}
body[data-mode="light"] {
  --bg: #e9e6de; --stage: #f7f6f1; --veil: rgba(58, 54, 44, 0.34);
  --panel: #fbfaf6; --panel-shadow: rgba(80, 70, 45, 0.22);
  --edge: #d7d1c3; --edge-soft: #e3ded1; --scroll: #cdc7b8;
  --tile: #f2efe6; --tile-hi: #eae5d7; --tile-sel: #e7f0dd; --deep: #f4f1e8;
  --ink: #35332c; --ink-strong: #1f1e1a; --ink-mid: #5f5b52; --ink-dim: #8b857a; --ink-faint: #a8a294;
  --accent: #0b7285; --green: #3d8740; --green-ink: #4f7a3a; --amber: #8a6100;
  --red: #b3341f; --rose: #a9564f; --gold: #9a6b06; --gold-bg: #f2d268; --blue: #0a5a9e;
  --btn-ink: #f6fbf2; --gold-ink: #3a2a05;
  --art-bg1: #ffffff; --art-bg2: #eae7da; --role-bg: rgba(255, 255, 255, 0.78);
  --chip: #eeeade; --tile-line: #dcd6c8; --mask: rgba(125, 116, 92, 0.52);
}
body[data-mode="midnight"] {
  --bg: #020306; --stage: #05070c; --veil: rgba(2, 4, 10, 0.9);
  --panel: #080b12; --panel-shadow: rgba(0, 0, 0, 0.85);
  --edge: #1c2431; --edge-soft: #141b26; --scroll: #1c2431;
  --tile: #0d1220; --tile-hi: #131a29; --tile-sel: #0f2318; --deep: #04060b;
  --ink: #b9c6d8; --ink-strong: #dde8f4; --ink-mid: #7d8ba0; --ink-dim: #5d6a7e; --ink-faint: #414d5f;
  --accent: #5fded0; --green: #8ef07a; --green-ink: #6ab05c; --amber: #e8cd72;
  --red: #e06a5a; --rose: #c9737e; --gold: #ffe28a; --gold-bg: #ffe28a; --blue: #6db3e8;
  --btn-ink: #05140f; --gold-ink: #241a03;
  --art-bg1: #16243a; --art-bg2: #060911; --role-bg: rgba(3, 6, 12, 0.7);
  --chip: #0d1420; --tile-line: #1c2431; --mask: rgba(0, 0, 4, 0.78);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-monospace, "Cascadia Code", Consolas, "Courier New", monospace;
  overflow: hidden;
  transition: background 0.2s, color 0.2s;
}

.stage {
  position: relative;
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
  margin: auto;
  top: 50%;
  transform: translateY(-50%);
  background: var(--stage);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

/* ---------- overlays ---------- */
.ov {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--veil);
  z-index: 5;
}
.ov.hidden { display: none; }
.hidden { display: none !important; }

.panel {
  width: min(760px, 92%);
  max-height: 94%;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 10px;
  padding: 34px 44px 30px;
  text-align: center;
  box-shadow: 0 20px 60px var(--panel-shadow);
  transition: background 0.2s, border-color 0.2s;
}
.panel.slim { width: min(560px, 92%); }
.panel::-webkit-scrollbar { width: 8px; }
.panel::-webkit-scrollbar-thumb { background: var(--scroll); border-radius: 4px; }

.kicker {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--green-ink);
  margin-bottom: 14px;
}

/* meme logo: green MICROSOFT / stone CODE, like the PvZ logo parody */
.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  margin-bottom: 10px;
}
.lg-ms {
  font-size: clamp(38px, 7vw, 62px);
  font-weight: 900;
  letter-spacing: 0.02em;
  background: linear-gradient(#b8e986 0%, #7ed957 45%, #3f9e3f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-stroke: 2px #10330f;
  text-shadow: 0 3px 0 #10330f;
  font-family: "Arial Black", "Segoe UI", sans-serif;
}
.lg-vs {
  margin: 6px 0;
  padding: 3px 14px;
  background: #6d6d6d;
  border: 2px solid #2b2b2b;
  border-radius: 10px;
  color: #f2f2f2;
  font-weight: 900;
  font-size: 16px;
  font-family: "Arial Black", "Segoe UI", sans-serif;
  transform: rotate(-3deg);
}
.lg-code {
  font-size: clamp(34px, 6.4vw, 56px);
  font-weight: 900;
  letter-spacing: 0.06em;
  background: linear-gradient(#f0f0f0 0%, #bdbdbd 55%, #8f8f8f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-stroke: 2px #262626;
  text-shadow: 0 3px 0 #262626;
  font-family: "Arial Black", "Segoe UI", sans-serif;
}

.zh-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink-strong);
  margin: 8px 0 10px;
  letter-spacing: 0.14em;
}
.zh-title.small { font-size: 22px; margin-bottom: 16px; }

.lede {
  font-size: 13px;
  color: var(--ink-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* ---------- roster ---------- */
.roster {
  display: flex;
  gap: 26px;
  justify-content: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.side { flex: 1 1 300px; max-width: 340px; }
.side-title {
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 5px 0;
  border-bottom: 1px solid var(--edge-soft);
  margin-bottom: 10px;
}
.side-title.you { color: var(--green); }
.side-title.foe { color: var(--red); }
.units {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 8px 6px;
}
.unit { text-align: center; }
.unit canvas { width: 46px; height: 46px; }
.unit .nm { font-size: 10px; color: var(--ink-mid); line-height: 1.3; }
.unit .cost { font-size: 9px; color: var(--ink-faint); }

.hint {
  font-size: 11px;
  color: var(--ink-dim);
  line-height: 1.9;
  margin-bottom: 18px;
}
.hint b { color: var(--amber); font-weight: 600; }

/* ---------- buttons ---------- */
.actions { display: flex; gap: 12px; justify-content: center; }
.actions.col { flex-direction: column; }
.btn {
  display: inline-block;
  padding: 10px 30px;
  font: 600 14px/1 ui-monospace, Consolas, monospace;
  letter-spacing: 0.1em;
  color: var(--btn-ink);
  background: var(--green);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s, background 0.12s, color 0.12s, border-color 0.12s;
}
.btn:hover { background: var(--green); filter: brightness(1.12); transform: translateY(-1px); }
.btn.ghost {
  background: transparent;
  color: var(--ink-mid);
  border: 1px solid var(--edge);
}
.btn.ghost:hover { color: var(--ink-strong); border-color: var(--ink-dim); background: var(--tile); }

/* ---------- end screen ---------- */
.term {
  text-align: left;
  background: var(--deep);
  border: 1px solid var(--edge-soft);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 11.5px;
  line-height: 1.9;
  color: var(--ink-dim);
  margin-bottom: 14px;
  white-space: pre-line;
}
.term .ok { color: var(--green); }
.term .bad { color: var(--red); }
.term .dim { color: var(--ink-faint); }
.stats {
  font-size: 12px;
  color: var(--ink-mid);
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}

/* ---------- level select ---------- */
.lv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 10px;
  text-align: left;
}
.lv-card {
  position: relative;
  display: block;
  background: var(--tile);
  border: 1px solid var(--edge);
  border-top: 3px solid var(--accent);
  border-radius: 6px 6px 6px 6px;
  padding: 12px 12px 10px;
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.12s, background 0.12s;
}
.lv-card:hover { background: var(--tile-hi); transform: translateY(-2px); border-color: var(--ink-dim); }
.lv-card.locked { opacity: 0.45; cursor: not-allowed; border-top-color: var(--edge-soft); }
.lv-card .lv-n {
  font-size: 10px;
  color: var(--green-ink);
  letter-spacing: 0.18em;
  margin-bottom: 6px;
}
.lv-card .lv-name { font-size: 15px; font-weight: 700; color: var(--ink-strong); margin-bottom: 3px; }
.lv-card .lv-file { font-size: 10px; color: var(--blue); margin-bottom: 8px; }
.lv-card .lv-brief { font-size: 10.5px; color: var(--ink-dim); line-height: 1.6; }
.lv-card .lv-tag {
  position: absolute;
  top: 8px; right: 8px;
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--chip);
  border: 1px solid var(--tile-line);
  color: var(--blue);
}
.lv-card .lv-tag + .lv-tag { top: 28px; color: var(--accent); }
.lv-card .lv-tag2 { color: var(--accent); }

/* ---------- seed picker ---------- */
.pk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(86px, 1fr));
  gap: 8px;
  margin: 6px 0 14px;
}
.pk-card {
  position: relative;
  background: var(--tile);
  border: 1.5px solid var(--edge);
  border-radius: 8px;
  padding: 6px 4px 7px;
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  text-align: center;
  transition: border-color .12s, transform .08s, background .12s;
}
.pk-card:hover { border-color: var(--ink-dim); transform: translateY(-1px); }
.pk-card.sel { border-color: var(--green); background: var(--tile-sel); box-shadow: 0 0 0 1px var(--green) inset; }
.pk-card.dis { opacity: 0.4; cursor: not-allowed; }
.pk-card canvas { width: 44px; height: 44px; }
.pk-card .nm { font-size: 10.5px; font-weight: 700; }
.pk-card .cost { font-size: 9px; color: var(--ink-dim); }
.pk-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.pk-count { font-size: 12px; color: var(--ink-mid); }
.pk-count b { color: var(--amber); }

/* ---------- npm shop ---------- */
.shop-head { display: flex; align-items: center; gap: 16px; justify-content: center; margin-bottom: 12px; }
.shop-head canvas { width: 120px; height: 100px; }
.shop-stars { font-size: 15px; font-weight: 700; color: var(--gold); }
.shop-list { display: flex; flex-direction: column; gap: 7px; text-align: left; }
.shop-row {
  display: grid;
  grid-template-columns: 190px 1fr 92px;
  gap: 10px;
  align-items: center;
  background: var(--tile);
  border: 1px solid var(--edge-soft);
  border-radius: 6px;
  padding: 8px 12px;
}
.shop-row.owned { opacity: 0.55; }
.sp-pkg { font-size: 12px; font-weight: 700; color: var(--accent); word-break: break-all; }
.sp-desc { font-size: 11px; color: var(--ink-mid); line-height: 1.5; }
.sp-buy { padding: 6px 0; font-size: 11px; width: 92px; text-align: center; }
.sp-buy.buyable { background: var(--gold-bg); color: var(--gold-ink); }
.sp-buy.buyable:hover { filter: brightness(1.1); }

/* ---------- garden ---------- */
.gar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.plot {
  background: var(--tile-sel);
  border: 1px dashed var(--green-ink);
  border-radius: 8px;
  padding: 10px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-height: 150px;
  justify-content: center;
}
.plot canvas { width: 64px; height: 64px; }
.plot.empty { border-color: var(--edge); background: var(--tile); }
.plot-add { font-size: 12px; color: var(--green-ink); letter-spacing: .1em; }
.plot-name { font-size: 10.5px; color: var(--ink-mid); }
.plot-btn { padding: 5px 10px; font-size: 10.5px; }
.plot-btn:disabled { opacity: .45; cursor: default; }
.plot-btn.buyable { background: var(--gold-bg); color: var(--gold-ink); }

/* ---------- main menu ---------- */
.panel.menu { max-width: 520px; }
.save-line { font-size: 12px; color: var(--accent); margin: 4px 0 18px; letter-spacing: .05em; }
.menu-list { display: flex; flex-direction: column; gap: 10px; max-width: 300px; margin: 0 auto 18px; }
.menu-btn { padding: 12px 20px; }

/* ---------- chapter roadmap ---------- */
.ch-map { display: flex; flex-direction: column; gap: 10px; text-align: left; }
.ch-row {
  border: 1px solid var(--edge-soft);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  background: var(--chip);
  padding: 10px 14px;
}
.ch-name { font-size: 14px; font-weight: 700; color: var(--ink-strong); }
.ch-file { font-size: 10.5px; color: var(--blue); margin-top: 2px; }
.ch-nodes { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.nd {
  position: relative;
  width: 104px;
  background: var(--tile-hi);
  border: 1px solid var(--edge);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  transition: transform .08s, border-color .12s, background .12s;
}
.nd:hover { transform: translateY(-2px); border-color: var(--ink-dim); }
.nd.locked { opacity: .4; cursor: not-allowed; }
.nd.done { border-color: var(--green-ink); background: var(--tile-sel); }
.nd-n { font-size: 13px; font-weight: 900; color: var(--amber); }
.nd-name { font-size: 11px; color: var(--ink-mid); margin-top: 2px; }
.nd-star { position: absolute; top: 6px; right: 8px; color: var(--gold); font-size: 13px; }

/* ---------- codex ---------- */
.panel.book { width: min(900px, 94%); padding: 30px 36px 26px; }
.book-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 10px; }
.book-tabs .tab {
  flex: 0 1 250px;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  padding: 10px 14px; font-size: 13px;
}
.book-tabs .tab.on { background: var(--tile-hi); color: var(--ink-strong); border-color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); }
.book-tabs .tab#tabFoe.on { border-color: var(--rose); box-shadow: inset 0 -2px 0 var(--rose); }
.tb-n {
  font-size: 10.5px; color: var(--ink-dim); letter-spacing: .04em;
  border: 1px solid var(--tile-line); border-radius: 20px; padding: 1px 7px;
}
.tab.on .tb-n { color: var(--ink-mid); border-color: var(--ink-dim); }
.book-meta { font-size: 11.5px; color: var(--ink-dim); margin: 0 0 16px; }

.units-book { grid-template-columns: repeat(auto-fill, minmax(134px, 1fr)); gap: 12px; max-width: 100%; margin: 0 auto; }
button.unit {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  text-align: center;
  background: var(--tile);
  border: 1px solid var(--tile-line);
  border-radius: 8px;
  padding: 15px 10px 11px;
  font: inherit; color: inherit;
  cursor: pointer;
  transition: transform .1s, border-color .14s, background .14s;
}
button.unit:hover { transform: translateY(-2px); border-color: var(--accent); background: var(--tile-hi); }
button.unit.foe:hover { border-color: var(--rose); }
button.unit::after {
  content: '档案'; position: absolute; top: 6px; right: 8px;
  font-size: 9px; letter-spacing: .08em; color: var(--ink-faint);
}
button.unit:hover::after { color: var(--accent); }
button.unit.foe:hover::after { color: var(--rose); }
.unit canvas { width: 52px; height: 52px; }
.unit .nm { font-size: 12px; color: var(--amber); line-height: 1.25; }
.unit .fx { font-size: 9.5px; color: var(--green-ink); line-height: 1.35; min-height: 2.7em; }
.unit .cost { font-size: 9.5px; color: var(--ink-dim); letter-spacing: .03em; }
.unit.locked { opacity: .42; }
.unit.locked canvas { filter: grayscale(1) brightness(.62); }
.unit.locked:hover { border-color: var(--edge); background: var(--tile); transform: none; }
.unit.locked:hover::after { color: var(--ink-faint); }

.cd-top { display: flex; gap: 26px; align-items: flex-start; text-align: left; }
#bookDetail:not(.hidden) ~ .actions { display: none; }
.cd-art-box {
  position: relative; flex: 0 0 auto; width: 176px;
  border: 1px solid var(--tile-line); border-radius: 8px; overflow: hidden;
  background: radial-gradient(circle at 50% 58%, var(--art-bg1) 0%, var(--art-bg2) 72%);
}
.cd-art-box canvas { width: 176px; height: 176px; }
.cd-art-box.locked canvas { filter: grayscale(1) brightness(.14) contrast(1.5); }
.cd-role {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 5px 0; text-align: center;
  font-size: 9.5px; letter-spacing: .16em; color: var(--accent);
  background: var(--role-bg); border-top: 1px solid var(--tile-line);
}
.cd-role.foe { color: var(--rose); }
.cd-head { flex: 1 1 auto; min-width: 0; }
.cd-name { font-size: 26px; font-weight: 500; color: var(--ink-strong); letter-spacing: .01em; }
.cd-tagline { font-size: 12px; color: var(--ink-dim); margin: 4px 0 14px; }
.cd-stats { border-collapse: collapse; margin-bottom: 12px; }
.cd-stats th { text-align: left; font-weight: 400; font-size: 11px; color: var(--green-ink); letter-spacing: .05em; padding: 3px 20px 3px 0; white-space: nowrap; }
.cd-stats td { font-size: 12.5px; color: var(--amber); }
.cd-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.cd-chips span { font-size: 10.5px; color: var(--ink-mid); background: var(--chip); border: 1px solid var(--tile-line); border-radius: 20px; padding: 3px 10px; }
.cd-sec {
  text-align: left; font-size: 10.5px; letter-spacing: .2em; color: var(--accent);
  margin: 22px 0 8px; padding-top: 11px; border-top: 1px solid var(--edge-soft);
}
.cd-body { text-align: left; font-size: 12.5px; line-height: 2; color: var(--ink); }
.cd-body.story { color: var(--ink-mid); }
.cd-body.dim { color: var(--ink-faint); }
@media (max-width: 720px) {
  .cd-top { flex-direction: column; align-items: center; }
  .cd-head { width: 100%; }
  .cd-stats { margin: 0 auto 12px; }
}

/* ---------- mobile dock ---------- */
.dock {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  gap: 6px;
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  background: var(--veil);
  border-top: 1px solid var(--edge-soft);
  overflow-x: auto;
  z-index: 4;
}
.dock.hidden { display: none; }
.dock button {
  position: relative;
  flex: 0 0 auto;
  width: 58px;
  height: 72px;
  background: var(--tile-hi);
  border: 2px solid var(--edge);
  border-radius: 8px;
  overflow: hidden;
  padding: 2px 0 0;
  touch-action: none;
}
.dock button canvas { width: 40px; height: 40px; display: block; margin: 0 auto; }
.dock .dk-cost {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--amber);
  text-align: center;
  font-family: ui-monospace, Consolas, monospace;
}
.dock button.on { border-color: var(--amber); background: var(--tile-sel); }
.dock button.poor { opacity: .5; }
.dock button.poor .dk-cost { color: var(--red); }
.dock .dk-cd {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 0;
  background: var(--mask);
  pointer-events: none;
}
.dock .dk-shovel::before {
  content: '⌫';
  display: block;
  font-size: 26px;
  color: #b0895a;
  text-align: center;
  line-height: 40px;
}

/* ---------- portrait / small screens ---------- */
@media (orientation: portrait) {
  body.portrait .stage {
    width: 100vw;
    height: auto;
    top: 50%;
    transform: translateY(-50%);
    margin-top: 0;
  }
  body.portrait .ov { position: fixed; }
  body.portrait .dock {
    position: static;
    justify-content: center;
    border-top: 1px solid var(--edge-soft);
    padding-bottom: 8px;
  }
  body.portrait .panel { max-height: 86vh; }
}
@media (max-width: 720px) {
  .panel { padding: 22px 18px 20px; }
  .lg-ms { font-size: 34px; }
  .lg-code { font-size: 30px; }
  .zh-title { font-size: 20px; }
  .shop-row { grid-template-columns: 1fr; gap: 4px; }
  .sp-buy { width: 100%; }
}