:root { color-scheme:light; --paper:#f5f2e9; --ink:#183d38; --muted:#526b65; --line:#cbd4c9; --blue:#245fc9; --orange:#ac451c; }
* { box-sizing:border-box; }
body { margin:0; background:var(--paper); color:var(--ink); font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif; }
button,input,select { font:inherit; }
button,select,summary { cursor:pointer; -webkit-tap-highlight-color:transparent; }
button { min-height:46px; border-radius:12px; padding:10px 18px; }
button:disabled { opacity:.45; cursor:default; }
:focus-visible { outline:3px solid #936a13; outline-offset:4px; }
[hidden] { display:none !important; }
.masthead { max-width:860px; margin:auto; padding:22px 26px 16px; display:flex; align-items:center; justify-content:space-between; }
.eyebrow { font-size:10px; font-weight:750; text-transform:uppercase; letter-spacing:.14em; color:var(--muted); }
h1 { margin:0; font:48px/1.1 Georgia,serif; letter-spacing:-.045em; }
h2 { margin:7px 0 9px; font-size:25px; line-height:1.15; letter-spacing:-.035em; }
p { margin:8px 0 14px; }
main { max-width:860px; padding:4px 26px 26px; margin:auto; display:grid; grid-template-columns:minmax(260px,390px) minmax(240px,1fr); gap:36px; align-items:start; }
.board-column { min-width:0; }
.scoreboard { display:flex; align-items:center; justify-content:space-between; gap:10px; margin:4px 0 12px; font-size:12px; white-space:nowrap; }
.scoreboard > span { display:flex; align-items:center; gap:8px; }
.scoreboard b { font-size:28px; line-height:1; font-variant-numeric:tabular-nums; }
.scoreboard .round { color:var(--muted); font-size:11px; }
.blue { color:var(--blue); } .orange { color:var(--orange); }
.table { width:100%; aspect-ratio:7/10; border-radius:23px; overflow:hidden; box-shadow:0 10px 26px #183d381c; outline:1px solid #183d3820; }
canvas { display:block; width:100%; height:100%; touch-action:none; user-select:none; }
.board-note { text-align:center; color:var(--muted); font-size:11px; line-height:1.6; margin:14px 0 0; }
.console { padding-top:4px; }
label { font-size:12px; font-weight:600; display:block; }
select { width:100%; min-height:44px; background:#fffcf5; color:var(--ink); border:1px solid var(--line); border-radius:10px; padding:8px; margin:5px 0 11px; }
.small { font-size:11px; color:var(--muted); margin:-3px 0 16px; }
.turn { border-top:1px solid var(--line); padding-top:18px; margin-top:8px; }
.turn p { color:var(--muted); font-size:13px; min-height:39px; }
fieldset { min-width:0; margin:0 0 15px; padding:0; border:0; }
.power-row { display:flex; gap:12px; align-items:center; margin-bottom:10px; }
.power-row meter { flex:1; height:12px; accent-color:var(--blue); }
.power-row output { min-width:35px; text-align:right; font-size:12px; font-variant-numeric:tabular-nums; }
summary { font-size:12px; min-height:40px; display:list-item; align-content:center; }
details label { display:flex; justify-content:space-between; margin-top:10px; }
input[type=range] { width:100%; min-height:36px; margin:0; accent-color:var(--blue); }
.primary { width:100%; background:var(--ink); color:#fffdf5; border:1px solid var(--ink); font-weight:650; }
.primary:not(:disabled):hover { background:#285b53; }
.quiet { border:1px solid var(--line); color:var(--ink); background:transparent; font-size:12px; }
.rules { margin-top:16px; border-top:1px solid var(--line); padding-top:6px; }
.rules p { font-size:12px; color:var(--muted); }
.footnote { color:var(--muted); font-size:10px; margin-top:16px; }
dialog { inset:0; width:100%; height:100%; max-width:none; max-height:none; margin:0; padding:24px; border:0; color:var(--ink); background:var(--paper); }
dialog[open] { display:grid; place-items:center; }
dialog::backdrop { background:var(--paper); }
.handoff-card { max-width:330px; text-align:center; }
.handoff-card p { color:var(--muted); font-size:14px; margin:18px 0 26px; }
.handoff-card .quiet { margin-top:14px; }
.handoff-mark { font-size:70px; line-height:1; margin:30px 0; }
@media(max-width:680px) {
  body { padding-bottom:76px; }
  .masthead { max-width:430px; padding:16px 16px 10px; }
  h1 { font-size:39px; } h2 { font-size:24px; }
  main { max-width:430px; padding:0 16px 20px; grid-template-columns:1fr; gap:18px; }
  .board-column { display:flex; flex-direction:column; align-items:center; }
  .scoreboard { width:100%; margin:6px 0 10px; }
  .table { width:min(100%, 35svh); }
  .board-note { margin:10px 0 0; }
  .console { display:flex; flex-direction:column; padding-top:0; }
  .setup { order:5; margin-top:24px; border-top:1px solid var(--line); padding-top:16px; }
  .turn { margin:0; padding:0; border:0; }
  .turn h2 { margin-top:3px; }
  .turn p { min-height:0; margin-bottom:12px; }
  .footnote { order:6; margin-top:6px; }
  fieldset { margin-bottom:8px; }
  #action { position:fixed; bottom:12px; left:50%; transform:translateX(-50%); width:min(calc(100% - 32px),398px); z-index:2; box-shadow:0 4px 20px #183d382b; }
}