:root {
  --bg: #f4f1ea;
  --fg: #1d1d1f;
  --muted: #6b6b70;
  --panel: #ffffff;
  --border: #ddd6c8;
  --accent: #2f6fde;
  --played: rgba(47, 111, 222, 0.12);
  --error: #c0392b;
  --sq-light: #ebd9b5;
  --sq-dark: #b2875f;
  --last: rgba(255, 214, 10, 0.45);
  --sel: rgba(47, 111, 222, 0.45);
  --check: rgba(220, 40, 40, 0.75);
  --hint: rgba(20, 20, 20, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17181b;
    --fg: #e8e6e3;
    --muted: #9a9aa2;
    --panel: #212226;
    --border: #34353b;
    --accent: #6b9cff;
    --played: rgba(107, 156, 255, 0.16);
    --error: #ff6b5b;
    --sq-light: #c9b48f;
    --sq-dark: #8a6a4b;
  }
}

:root[data-theme="dark"] {
  --bg: #17181b;
  --fg: #e8e6e3;
  --muted: #9a9aa2;
  --panel: #212226;
  --border: #34353b;
  --accent: #6b9cff;
  --played: rgba(107, 156, 255, 0.16);
  --error: #ff6b5b;
  --sq-light: #c9b48f;
  --sq-dark: #8a6a4b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
}

button, select {
  font: inherit;
  color: var(--fg);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
}
button:disabled { opacity: 0.45; cursor: default; }
button.ghost { background: transparent; }

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.top h1 { margin: 0; font-size: 20px; letter-spacing: 0.02em; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.controls label { display: flex; gap: 6px; align-items: center; color: var(--muted); }

.layout {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 24px;
  padding: 16px;
}

.board-col { display: flex; flex-direction: column; gap: 10px; }

.board-row { display: flex; gap: 8px; align-items: flex-start; }

.powers { display: flex; flex-direction: column; gap: 14px; width: 40px; }
.power-group { display: flex; flex-direction: column; gap: 6px; }
.power {
  width: 40px;
  height: 40px;
  padding: 7px;
  border-radius: 8px;
  color: #fff;
  border: none;
}
.power svg { width: 100%; height: 100%; display: block; }
.power-group.mulligan .power { background: #2e9e6b; }
.power-group.missile .power { background: #d9534f; }
.power:not(.spent):not(:disabled):hover { filter: brightness(1.15); }
.power:disabled { opacity: 0.55; }
.power.spent { background: var(--border) !important; color: var(--muted); opacity: 0.6; }

.board {
  --sz: min(calc(100vw - 80px), 560px);
  width: var(--sz);
  height: var(--sz);
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  border-radius: 4px;
  overflow: hidden;
  user-select: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.sq {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sq.light { background: var(--sq-light); }
.sq.dark { background: var(--sq-dark); }
.sq.last { box-shadow: inset 0 0 0 999px var(--last); }
.sq.sel { box-shadow: inset 0 0 0 999px var(--sel); }
.sq.check { background-image: radial-gradient(circle, var(--check) 0%, transparent 70%); }
.sq.target::after {
  content: "";
  width: 28%;
  height: 28%;
  border-radius: 50%;
  background: var(--hint);
}
.sq.capture::after {
  content: "";
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  border: 5px solid var(--hint);
}

.pc {
  width: 92%;
  height: 92%;
  cursor: default;
  z-index: 1;
}
.pc[draggable="true"] { cursor: grab; }

.coord {
  position: absolute;
  font-size: 11px;
  font-weight: 600;
  opacity: 0.7;
  color: #3a2a1a;
  pointer-events: none;
}
.coord.rank { top: 2px; left: 3px; }
.coord.file { bottom: 1px; right: 3px; }

.nav { display: flex; gap: 6px; align-items: center; }
.nav [data-nav] { min-width: 42px; font-size: 18px; padding: 2px 10px; }
.nav .ghost { margin-left: auto; }

.status { min-height: 1.4em; color: var(--muted); }
.status.over { color: var(--fg); font-weight: 600; }
.status.error { color: var(--error); }

.side {
  width: min(calc(100vw - 32px), 400px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}
.panel h2 { margin: 0 0 6px; font-size: 15px; }
.muted { color: var(--muted); font-weight: normal; }
.meta { color: var(--muted); font-size: 13px; margin-bottom: 8px; }

.stats {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}
.stats th, .stats td { padding: 4px 6px; text-align: right; }
.stats th:first-child, .stats td:first-child { text-align: left; }
.stats th { color: var(--muted); font-weight: 500; border-bottom: 1px solid var(--border); }
.stats tr.played td { background: var(--played); font-weight: 600; }
.stats tr.played td:first-child { box-shadow: inset 3px 0 0 var(--accent); }

.moves {
  margin: 0;
  padding: 0;
  list-style: none;
  max-height: 260px;
  overflow-y: auto;
  font-variant-numeric: tabular-nums;
}
.moves li { display: grid; grid-template-columns: 36px 1fr 1fr; padding: 1px 0; }
.moves .num { color: var(--muted); }
.moves .mv { cursor: pointer; padding: 0 6px; border-radius: 4px; }
.moves .mv:hover { background: var(--played); }
.moves .mv.cur { background: var(--accent); color: #fff; }

.who { display: flex; gap: 10px; align-items: center; color: var(--muted); }
.who span { color: var(--fg); font-weight: 600; }

.screen { display: flex; justify-content: center; padding: 32px 16px; }
.screen[hidden], .layout[hidden] { display: none; }

.card {
  width: min(100%, 420px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.card.wide { width: min(100%, 640px); }
.card h2 { margin: 0; font-size: 18px; }
.card input[type="text"], .card input:not([type]) {
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
button.big { font-size: 18px; padding: 10px; }
.error { color: var(--error); margin: 0; min-height: 1.2em; }

.nav-links { display: flex; gap: 16px; margin-right: auto; margin-left: 24px; }
.nav-links[hidden] { display: none; }
.nav-links a { color: var(--fg); text-decoration: none; font-weight: 500; }
.nav-links a:hover { color: var(--accent); }

.card.xwide { width: min(100%, 860px); }
.small { font-size: 13px; }
.grow { flex: 1; min-width: 200px; }
.row input.grow {
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
}
.file-btn {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
}
#play-options { display: flex; flex-direction: column; gap: 12px; }
#play-options[hidden] { display: none; }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab { border-radius: 999px; }
.tab.on { background: var(--accent); border-color: var(--accent); color: #fff; }

.table-wrap { overflow-x: auto; }
.list {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}
.list th, .list td { padding: 6px 8px; text-align: right; white-space: nowrap; }
.list .l { text-align: left; }
.list th { color: var(--muted); font-weight: 500; border-bottom: 1px solid var(--border); }
.list tr + tr td { border-top: 1px solid var(--border); }
.list a { color: var(--accent); text-decoration: none; font-weight: 600; }
.list tr.link { cursor: pointer; }
.list tr.link:hover td { background: var(--played); }

.modes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
}
.mode {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.mode input { position: absolute; opacity: 0; pointer-events: none; }
.mode span { color: var(--muted); font-size: 13px; }
.mode:has(input:checked) { border-color: var(--accent); background: var(--played); }

.row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.row[hidden] { display: none; }
.row-label { width: 110px; color: var(--muted); }
.seg { display: flex; flex-wrap: wrap; }
.seg label { cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span {
  display: block;
  padding: 5px 12px;
  border: 1px solid var(--border);
  margin-left: -1px;
}
.seg label:first-child span { border-radius: 6px 0 0 6px; margin-left: 0; }
.seg label:last-child span { border-radius: 0 6px 6px 0; }
.seg input:checked + span { background: var(--accent); border-color: var(--accent); color: #fff; }
.seg input:disabled + span { opacity: 0.4; cursor: default; }

.check { display: flex; gap: 10px; align-items: center; cursor: pointer; }
.check small { color: var(--muted); }

.game-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.mode-label { font-weight: 600; margin-right: auto; }
.nav .push { margin-left: auto; }
.side-controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.side-controls label { display: flex; gap: 6px; align-items: center; color: var(--muted); margin-right: auto; }

.moves .mv.opening { color: var(--muted); font-style: italic; }
.moves .mv.missile { box-shadow: inset 0 -2px 0 var(--error); }

.banner {
  background: #d39b1c;
  color: #1d1d1f;
  text-align: center;
  font-weight: 600;
  padding: 8px 16px;
}
.banner[hidden] { display: none; }

.foot {
  max-width: 860px;
  margin: 24px auto 16px;
  padding: 0 16px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}
.foot a { color: inherit; }

.review-box { width: min(calc(100vw - 32px), 420px); }
.review-box h3 { margin: 4px 0 0; font-size: 15px; }
.review-result { margin: 0; font-weight: 600; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.per-move { max-height: 220px; overflow-y: auto; }
.sab { font-variant-numeric: tabular-nums; font-weight: 600; }
.movetable {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  table-layout: fixed;
}
.movetable td, .movetable th { padding: 2px 4px; text-align: right; white-space: nowrap; }
.movetable th { color: var(--muted); font-weight: 500; font-size: 12px; }
.movetable .l, .movetable .mvc { text-align: left; }
.movetable .num { color: var(--muted); width: 36px; }
.movetable.scored .num { width: 30px; }
.movetable.scored .qv, .movetable.scored .sab { font-size: 12px; width: 60px; }
.movetable.scored td.mvc { border-left: 1px solid var(--border); }
.movetable.scored th.l { padding-left: 8px; }
.movetable.scored td.mvc .mv { margin-left: 2px; }
.movetable tbody tr:nth-child(even) { background: var(--played); }
.movetable .qv { color: var(--muted); }
.sab.ok { color: #2e9e6b; }
.sab.warn { color: #d39b1c; }
.sab.bad { color: var(--error); }
.moves .mv.cur .sab { color: #fff; }
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-variant-numeric: tabular-nums;
}
.stat span { color: var(--muted); font-size: 13px; }
.stat b { font-size: 18px; }
.worst { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 4px; }
.worst a { color: var(--accent); text-decoration: none; font-weight: 600; margin-right: 8px; }

.promo {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}
.promo[hidden] { display: none; }
.promo-box {
  display: flex;
  gap: 8px;
  background: var(--panel);
  padding: 12px;
  border-radius: 10px;
}
.promo-box button { padding: 6px; background: var(--sq-light); }
.promo-box .pc { width: 64px; height: 64px; }