:root {
  color-scheme: light;
  --paper: #f4f1e9;
  --white: #faf8f2;
  --ink: #222c28;
  --muted: #626b62;
  --line: #d3d4c8;
  --accent: #c74320;
  --soft: #eeebe1;
  --danger: #b73525;
  font-family: 'Segoe UI', ui-sans-serif, system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; width: 100%; height: 100%; overflow: hidden; background: var(--paper); color: var(--ink); }
button, input, select, textarea { font: inherit; }
button, a, input, summary, select { -webkit-tap-highlight-color: transparent; }
button { min-height: 44px; border: 1px solid var(--line); background: var(--white); color: var(--ink); border-radius: 6px; padding: 12px 18px; font-weight: 600; cursor: pointer; transition: background .15s, border-color .15s; }
button:hover { background: #eae7dc; border-color: #9a9e8f; }
button:disabled { opacity: .5; cursor: default; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, canvas:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.primary { color: #fff8ef; background: var(--accent); border-color: var(--accent); }
.primary:hover { background: #ae371b; border-color: #ae371b; }
.quiet, .textBtn { background: transparent; border-color: transparent; }
.textBtn { padding: 4px 0; min-height: 32px; text-align: left; }
.textBtn:hover, .quiet:hover { background: transparent; color: var(--accent); border-color: transparent; }
.hidden { display: none !important; }
.muted, .smallPrint { color: var(--muted); }
.mono, kbd { font-family: ui-monospace, 'SFMono-Regular', Consolas, monospace; }
.eyebrow { margin: 0; color: var(--muted); font: 600 10px/1.4 ui-monospace, Consolas, monospace; letter-spacing: .14em; }
.eyebrow.danger { color: var(--danger); }
.screen { position: fixed; inset: 0; overflow: auto; padding: max(26px, env(safe-area-inset-top)) max(32px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(32px, env(safe-area-inset-left)); }
.menuScreen { display: flex; flex-direction: column; }
.siteHeader, .siteFooter { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; max-width: 1440px; margin: 0 auto; }
.siteHeader { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font: 700 12px ui-monospace, monospace; letter-spacing: .04em; }
.logo { width: 32px; height: 32px; display: grid; place-items: center; color: var(--white); background: var(--accent); font: 500 30px/1 Georgia, serif; border-radius: 4px; }
.edition, .siteFooter { font: 10px/1.4 ui-monospace, monospace; letter-spacing: .05em; color: var(--muted); }
.menuLayout { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: clamp(40px, 7vw, 112px); width: 100%; max-width: 1220px; margin: auto; padding: 54px 0; }
.dot { display: inline-block; height: 7px; width: 7px; background: var(--accent); margin-right: 7px; border-radius: 50%; }
h1 { margin: 22px 0 0; font-size: clamp(45px, 5.3vw, 78px); font-weight: 550; line-height: 1.03; letter-spacing: -.055em; }
h1 em { display: inline-block; color: var(--accent); font-family: Georgia, 'Times New Roman', serif; font-weight: 400; letter-spacing: -.06em; }
.lede { max-width: 405px; margin: 24px 0 28px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.menuActions { display: flex; gap: 10px; max-width: 420px; }
.menuActions button { flex: 1; white-space: nowrap; }
.menuActions .primary { flex: 1.35; display: flex; justify-content: space-between; gap: 22px; }
.saveNote { font: 11px/1.5 ui-monospace, monospace; color: var(--muted); margin: 12px 0 26px; }
.menuLinks { display: flex; flex-direction: column; gap: 5px; }
.menuLinks button { align-self: flex-start; }
.menuLinks > span { color: var(--muted); font-size: 11px; }
.fieldCard { border: 1px solid #c4c9ba; background: #e8eadd; padding: 22px; transform: rotate(1deg); }
.fieldHeader { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; }
.fieldHeader .mono { font-size: 12px; }
.previewFrame { position: relative; border: 1px solid #bdc4af; background: #dfe4d3; overflow: hidden; }
#preview { display: block; width: 100%; height: auto; aspect-ratio: 4/3; }
.previewCaption { display: block; padding: 10px; text-align: center; color: #5f6b57; font: 9px ui-monospace, monospace; letter-spacing: .15em; border-top: 1px solid #bdc4af; }
.dailyCard { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 24px 0 20px; }
.dailyCard h2 { font-size: 20px; margin: 5px 0; letter-spacing: -.03em; }
.dailyCard p:last-child { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.dailyCard button { white-space: nowrap; background: transparent; border-color: #bbc3ad; font-size: 12px; }
.seedDetails { border-top: 1px solid #c4c9ba; }
.seedDetails summary { cursor: pointer; padding: 15px 0 0; font-size: 12px; list-style: none; }
.seedDetails summary::-webkit-details-marker { display: none; }
.seedDetails summary span { float: right; }
.seedDetails form { padding-top: 16px; }
.seedDetails label { display: block; font-size: 11px; margin-bottom: 7px; }
.seedRow { display: flex; gap: 6px; }
.seedRow input { width: 0; flex: 1; min-width: 80px; border: 1px solid #bbc3ad; background: var(--white); border-radius: 4px; padding: 10px; font: 14px ui-monospace, monospace; }
.seedRow button { font-size: 12px; }
.siteFooter { padding-top: 20px; border-top: 1px solid var(--line); }
.siteFooter > div { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.siteFooter b { font-weight: 500; color: var(--ink); margin-right: 15px; }
#game { position: fixed; inset: 0; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
.hud { position: fixed; z-index: 5; inset: 0 0 auto; pointer-events: none; padding: max(14px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) 0 max(20px, env(safe-area-inset-left)); }
.hudTop { display: flex; gap: 18px; align-items: center; background: var(--paper); border: 1px solid #c6cabc; padding: 10px 14px; border-radius: 6px; pointer-events: auto; }
.squareBtn { display: inline-grid; place-items: center; min-width: 44px; width: 44px; height: 44px; padding: 0; font-size: 23px; }
.lineIcon { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.runIdentity { min-width: 172px; }
.runIdentity strong { display: block; font: 700 12px ui-monospace, monospace; }
.runIdentity strong span { color: var(--muted); font-weight: 400; }
.runIdentity .textBtn { color: var(--muted); font: 10px ui-monospace, monospace; }
.hudMetrics { display: flex; gap: clamp(20px, 4vw, 64px); margin: 0 auto; }
.hudMetrics span { display: block; text-transform: uppercase; font: 9px ui-monospace, monospace; letter-spacing: .08em; color: var(--muted); margin-bottom: 4px; }
.hudMetrics strong { font: 600 20px ui-monospace, monospace; }
.hudMetrics > div:first-child strong { color: var(--accent); }
.boardInfo { display: flex; justify-content: space-between; padding: 9px 4px; color: #48513f; font: 10px ui-monospace, monospace; letter-spacing: .04em; }
.boardInfo button { pointer-events: auto; padding: 0; min-height: 24px; font: inherit; color: inherit; }
.boardControls { position: fixed; z-index: 5; bottom: max(18px, env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); text-align: center; max-width: calc(100% - 16px); }
#boardHint { font: 11px/1.5 ui-monospace, monospace; color: #4e5844; background: var(--paper); padding: 4px 8px; display: inline-block; margin: 0 0 10px; border-radius: 4px; }
.controlDock { display: flex; align-items: center; gap: 4px; padding: 6px; border: 1px solid #bfc7b2; background: var(--paper); border-radius: 8px; box-shadow: 0 4px 14px #27332115; }
.controlDock .squareBtn { background: transparent; border-color: transparent; }
.controlDock .squareBtn:hover { background: #e5e7d9; }
.modeSwitch { display: flex; gap: 2px; }
.modeSwitch button { padding: 8px 12px; background: transparent; border-color: transparent; font-size: 14px; }
.modeSwitch button.selected { background: var(--ink); color: var(--paper); }
.dockDivider { height: 25px; width: 1px; background: var(--line); margin: 0 5px; }
#zoomValue { width: 42px; font-size: 10px; }
.boardSettings { position: absolute; right: 0; bottom: 70px; display: grid; gap: 14px; background: var(--white); border: 1px solid var(--line); border-radius: 6px; padding: 18px; text-align: left; box-shadow: 0 4px 12px #27332115; }
.boardSettings label { display: flex; gap: 12px; align-items: center; white-space: nowrap; font-size: 14px; }
input[type=checkbox] { width: 17px; height: 17px; accent-color: var(--accent); }
.modal { position: fixed; z-index: 20; inset: 0; padding: 24px; overflow: auto; background: #28322770; display: grid; place-items: center; }
.modalCard { width: min(620px, 100%); border: 1px solid var(--line); background: var(--paper); border-radius: 8px; padding: 30px; box-shadow: 0 20px 60px #15231c25; }
h2 { font-size: clamp(30px, 4vw, 48px); margin: 0; line-height: 1.08; letter-spacing: -.05em; font-weight: 550; }
.bigScore { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.bigScore > span { font: 10px ui-monospace, monospace; color: var(--muted); }
.bigScore strong { font: 600 clamp(38px, 7vw, 64px) ui-monospace, monospace; color: var(--accent); }
.statGrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px 12px; margin: 24px 0; }
.statGrid span { display: block; color: var(--muted); font-size: 11px; }
.statGrid strong { display: block; margin-top: 5px; font: 600 15px ui-monospace, monospace; }
.modalActions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.smallPrint { font-size: 11px; line-height: 1.65; margin-bottom: 0; }
.shareCodeWrap { margin-top: 14px; }
.shareCodeWrap label { font-size: 12px; }
.shareCodeWrap textarea { width: 100%; min-height: 90px; background: var(--white); border: 1px solid var(--line); padding: 12px; font: 11px ui-monospace, monospace; }
.helpDialog { width: min(620px, calc(100% - 28px)); max-height: calc(100dvh - 32px); border: 1px solid var(--line); border-radius: 8px; padding: 28px; color: var(--ink); background: var(--paper); }
.helpDialog::backdrop { background: #28322785; }
.helpDialog > p { color: var(--muted); font-size: 14px; line-height: 1.65; }
.guideSteps { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 28px 0; }
.guideSteps b { color: var(--accent); font: 600 11px ui-monospace, monospace; }
.guideSteps p { margin: 7px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.keyboardGuide { padding-top: 18px; border-top: 1px solid var(--line); }
kbd { font-size: 11px; font-weight: 600; color: var(--ink); }
.resultsBtn { position: fixed; z-index: 6; bottom: max(102px, calc(env(safe-area-inset-bottom) + 84px)); left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--white); border-color: var(--accent); }
.statsScreen { max-width: 1440px; margin: auto; }
.statsHeader { display: flex; gap: 22px; align-items: center; margin: 18px 0 32px; }
.statsHeader h2 { margin-top: 6px; }
.archiveSummary { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 30px; padding: 22px 0; }
.archiveSummary > div { padding: 0 20px; border-right: 1px solid var(--line); }
.archiveSummary > div:last-child { border: 0; }
.archiveSummary span { display: block; color: var(--muted); font: 10px ui-monospace, monospace; text-transform: uppercase; margin-bottom: 6px; }
.archiveSummary strong { font: 500 28px ui-monospace, monospace; }
.statsLayout { display: grid; grid-template-columns: minmax(280px, 360px) 1fr; gap: 24px; }
.panel { min-width: 0; border: 1px solid var(--line); background: var(--white); border-radius: 6px; padding: 22px; }
.panelTitle { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 20px; }
.panelTitle h3 { margin: 6px 0 0; font-size: 21px; font-weight: 550; letter-spacing: -.025em; }
.smallBtn { font-size: 12px; padding: 8px 12px; }
.history { display: grid; }
.historyRow { display: grid; grid-template-columns: 26px 1fr auto; gap: 10px; padding: 15px 0; border-top: 1px solid var(--line); font: 11px ui-monospace, monospace; }
.historyRow > span { color: var(--muted); padding-top: 3px; }
.historyRow strong { display: block; font-size: 20px; color: var(--accent); margin-bottom: 5px; }
.historyRow small { color: var(--muted); font-size: 10px; }
.historyRow button { min-height: 32px; padding: 5px 8px; align-self: center; font-size: 11px; }
.filters { display: flex; flex-wrap: wrap; gap: 7px; }
.filters select, .filters input { border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 4px; padding: 10px; font-size: 12px; min-height: 44px; }
.filters input { flex: 1; min-width: 140px; }
.check { display: flex; align-items: center; gap: 6px; padding: 6px 8px; font-size: 12px; }
.statusText { font-size: 12px; color: var(--muted); line-height: 1.5; }
.tableWrap { overflow: auto; border: 1px solid var(--line); border-radius: 4px; }
table { border-collapse: collapse; width: 100%; min-width: 530px; }
th, td { padding: 13px 10px; text-align: right; border-bottom: 1px solid var(--line); font: 12px ui-monospace, monospace; }
th { background: var(--soft); color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .05em; }
th:nth-child(1), td:nth-child(1), th:nth-child(2), td:nth-child(2) { text-align: left; }
.rank { color: var(--muted); }
.player { display: flex; align-items: center; gap: 7px; color: var(--ink); text-decoration: none; font-weight: 600; }
.player img { width: 24px; height: 24px; border-radius: 50%; }
.empty { color: var(--muted); padding: 26px 12px !important; text-align: center !important; font-size: 13px; line-height: 1.6; }
.toast { position: fixed; z-index: 50; left: 50%; top: max(24px, env(safe-area-inset-top)); transform: translate(-50%, -8px); max-width: calc(100% - 24px); width: max-content; text-align: center; opacity: 0; pointer-events: none; background: var(--ink); color: var(--paper); border-radius: 6px; padding: 13px 18px; font-size: 12px; transition: opacity .15s, transform .15s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.srOnly { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media (min-width: 1600px) { .menuLayout { max-width: 1320px; } }
@media (max-width: 1050px) { .edition { display: none; } .menuLayout { gap: 40px; } h1 { font-size: 58px; } .hudMetrics { gap: 24px; } .runIdentity { min-width: 130px; } .runIdentity strong span { display: none; } .statsLayout { grid-template-columns: minmax(0, 1fr); } .history { grid-template-columns: 1fr 1fr; column-gap: 24px; } .siteFooter > span { display: none; } }
@media (max-width: 760px) {
  .screen { padding: max(18px, env(safe-area-inset-top)) 20px max(20px, env(safe-area-inset-bottom)); }
  .siteHeader { padding-bottom: 14px; gap: 10px; }
  .wordmark { font-size: 10px; gap: 8px; }
  .siteHeader .quiet { font-size: 11px; padding: 8px; }
  .menuLayout { grid-template-columns: 1fr; gap: 34px; padding: 38px 0; max-width: 500px; }
  h1 { font-size: clamp(43px, 8vw, 62px); }
  .lede { font-size: 15px; max-width: 380px; margin: 18px 0 24px; }
  .menuActions { max-width: none; }
  .saveNote { margin-bottom: 16px; }
  .fieldCard { padding: 16px; transform: none; }
  #preview { max-height: 220px; }
  .dailyCard { padding-top: 20px; }
  .siteFooter { justify-content: center; }
  .siteFooter > div { justify-content: center; gap: 5px; font-size: 9px; }
  .siteFooter b { margin-right: 6px; }
  .hud { padding: max(8px, env(safe-area-inset-top)) 8px 0; }
  .hudTop { gap: 8px; padding: 8px; }
  .runIdentity { display: none; }
  .hudMetrics { gap: 15px; }
  .hudMetrics strong { font-size: 16px; }
  .hudMetrics > div:nth-child(4) { display: none; }
  .hudMetrics span { font-size: 8px; }
  .hudTop > .squareBtn { width: 36px; min-width: 36px; }
  .boardInfo { font-size: 9px; }
  .controlDock { gap: 0; padding: 4px; }
  .modeSwitch button { padding: 8px 10px; }
  .dockDivider { margin: 0 3px; }
  #zoomValue { display: none; }
  .controlDock .squareBtn { width: 38px; min-width: 38px; }
  #boardHint { font-size: 10px; max-width: 340px; }
  .modal { padding: 14px; }
  .modalCard, .helpDialog { padding: 22px; }
  .panel { padding: 16px; }
  .archiveSummary strong { font-size: 22px; }
  .archiveSummary > div { padding: 0 10px; }
}
@media (max-width: 390px) { .modeSwitch button { padding: 8px; } .controlDock .squareBtn { width: 34px; min-width: 34px; } .hudMetrics { gap: 10px; } .hudMetrics strong { font-size: 14px; } .statGrid { grid-template-columns: 1fr 1fr; } .modalActions, .guideSteps, .history { grid-template-columns: 1fr; } .dailyCard { gap: 8px; } .dailyCard h2 { font-size: 18px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }