/* Air Hockey - the stylesheet.  One page, no framework, no external font: the type is the
   platform's own stack, which is the only way to ship a self-contained bundle honestly.        */
:root {
  --bg: #0b1220; --bg2: #111a2c; --card: #162034;
  --edge: #22304c; --ink: #e6ecf7; --dim: #93a2bd; --dimmer: #6b7b98;
  --a: #e03d43; --b: #2e8cea; --puck: #f9d42e; --ok: #66e698; --warn: #f9923b;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--ink); min-height: 100vh;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; z-index: 40; background: var(--card); padding: 8px 12px; border-radius: 6px; }
a { color: #8fc0ff; }

.bar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 10px 16px; background: linear-gradient(180deg, #16203a, #101829);
  border-bottom: 1px solid var(--edge);
}
.bar h1 { margin: 0; font-size: 19px; letter-spacing: .3px; font-weight: 650; }
.scores { display: flex; align-items: center; gap: 10px; margin-left: 6px; }
.side { display: flex; align-items: center; gap: 7px; padding: 4px 10px; border-radius: 999px;
  background: #0e1626; border: 1px solid transparent; }
.side.is-turn { background: #182338; }
.side b { font-size: 18px; font-variant-numeric: tabular-nums; }
.who { color: var(--dim); font-size: 13px; }
.vs { color: var(--dimmer); }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot-a { background: var(--a); } .dot-b { background: var(--b); }
.setline { color: var(--dim); font-size: 12.5px; margin-left: 4px; }
.bar-actions { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.btn {
  font: inherit; font-size: 13.5px; color: var(--ink); background: #1d2942;
  border: 1px solid var(--edge); border-radius: 8px; padding: 7px 12px; cursor: pointer;
}
.btn:hover { background: #263554; }
.btn:focus-visible { outline: 2px solid #4d8ff0; outline-offset: 2px; }
.btn.is-on { background: #2b60a8; border-color: #3f7fd0; }
.btn-x { position: absolute; top: 14px; right: 16px; }

main { display: grid; grid-template-columns: minmax(0, 1fr) 322px; gap: 16px; padding: 16px; align-items: start; }
@media (max-width: 940px) { main { grid-template-columns: minmax(0, 1fr); } }

.stage { position: relative; background: #060a12; border: 1px solid var(--edge); border-radius: 12px; overflow: hidden; }
canvas#table { display: block; width: 100%; height: auto; touch-action: none; cursor: none; }
.nogl { padding: 28px; color: var(--warn); }
.hud { position: absolute; left: 0; right: 0; top: 0; padding: 10px 14px; pointer-events: none;
  background: linear-gradient(180deg, rgba(6,10,18,.82), rgba(6,10,18,0)); }
.hud p { margin: 0 0 2px; }
.turn { font-weight: 600; }
.msg { color: var(--ok); min-height: 20px; font-size: 13.5px; }
.clock { color: var(--warn); font-variant-numeric: tabular-nums; font-size: 13.5px; min-height: 20px; }
.hint-overlay { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
  margin: 0; padding: 7px 14px; border-radius: 999px; background: rgba(8,14,24,.86);
  border: 1px solid var(--edge); color: var(--dim); font-size: 13px; pointer-events: none; }
.hint-overlay.is-off { display: none; }

.panel { display: grid; gap: 14px; }
.card { background: var(--card); border: 1px solid var(--edge); border-radius: 12px; padding: 13px 14px; }
.card h2 { margin: 0 0 7px; font-size: 14px; letter-spacing: .5px; text-transform: uppercase; color: var(--dim); }
.hint { margin: 0 0 10px; color: var(--dim); font-size: 12.8px; }
.small { font-size: 12.4px; }
.dim { color: var(--dimmer); }
.levels { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; }
.fld { display: block; margin: 10px 0 4px; font-size: 12.8px; color: var(--dim); }
.fld output { color: var(--ink); float: right; font-variant-numeric: tabular-nums; }
.fld input[type=range] { width: 100%; margin-top: 7px; accent-color: #4d8ff0; }
.chk { display: block; margin-top: 9px; font-size: 12.8px; color: var(--dim); cursor: pointer; }
.chk input { accent-color: #4d8ff0; margin-right: 6px; }
dl.facts { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 8px 0 0; font-size: 12.8px; }
dl.facts dt { color: var(--dimmer); }
dl.facts dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }

.sheet { position: fixed; inset: 0; background: rgba(4,7,13,.78); z-index: 30; overflow: auto; padding: 24px 16px; }
.sheet-in { position: relative; max-width: 880px; margin: 0 auto; background: var(--bg2);
  border: 1px solid var(--edge); border-radius: 14px; padding: 20px 22px 26px; }
.sheet-in h2 { margin: 0 0 12px; font-size: 20px; }
.sheet-in h3 { margin: 22px 0 6px; font-size: 15px; color: #cfe0ff; }
.sheet-in h4 { margin: 16px 0 4px; font-size: 13.5px; color: var(--dim); text-transform: uppercase; letter-spacing: .5px; }
.sheet-in p, .sheet-in li { color: #d3ddef; font-size: 13.6px; }
.sheet-in table { width: 100%; border-collapse: collapse; margin: 8px 0 4px; font-size: 13px; }
.sheet-in th, .sheet-in td { text-align: left; padding: 5px 8px; border-bottom: 1px solid #1e2a42; vertical-align: top; }
.sheet-in th { color: var(--dim); font-weight: 600; }
.sheet-in code { background: #0d1523; padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
.rule { color: #8fc0ff; font-size: 12.4px; white-space: nowrap; }
/* Source cells can be a sentence long; on a phone they must wrap or the Table sheet scrolls sideways. */
.sheet-in td.rule, .sheet-in td.recon { white-space: normal; }
@media (max-width: 600px) { .sheet-in th, .sheet-in td { padding: 5px 5px; overflow-wrap: anywhere; } }
.recon { color: var(--warn); font-size: 12.2px; text-transform: uppercase; letter-spacing: .4px; }
.reflab { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 7px; margin: 8px 0; }
.reflab .btn { text-align: left; font-size: 12.6px; padding: 6px 9px; }

.foot { padding: 8px 18px 26px; }
.foot p { color: var(--dimmer); font-size: 12.4px; max-width: 78ch; margin: 0; }