:root {
  color-scheme: dark;
  --bg: #0b0e13; --panel: #11151c; --line: #262c38; --text: #e9edf3; --muted: #8e98a8; --dim: #5d6675;
  --accent: #5b7cfa; --good: #83d9b2; --warn: #d5a64a; --pink: #d97ad1;
  /* the deck's own world, sampled from the screenshot */
  --glass: #0a0a18; --head: #11111f; --head-line: #1c1a2c; --label: #8a8898; --close: #c46f9f;
  font-family: "Segoe UI", system-ui, sans-serif; color: var(--text); background: var(--bg);
}
@font-face { font-family: "Hack"; src: url("Hack-Regular.ttf") format("truetype"); font-display: block; }
* { box-sizing: border-box; }
body { margin: 0; padding-bottom: 72px; }
a { color: var(--good); }
.mono { font-family: Hack, Consolas, monospace; font-size: 12px; color: var(--text); }

.masthead { border-bottom: 1px solid var(--line); background: var(--panel); }
.mast-inner, main { max-width: 1180px; margin: 0 auto; padding: 28px 28px; }
.mast-brand { font-size: 12px; color: var(--muted); letter-spacing: .6px; text-transform: uppercase; }
.mast-dot { margin: 0 6px; }
h1 { font-size: 38px; font-weight: 500; letter-spacing: -.8px; margin: 10px 0 14px; }
.lede { font-size: 15px; line-height: 1.6; color: var(--muted); max-width: 900px; margin: 0 0 22px; }
.lede em { color: var(--text); font-style: normal; font-family: Hack, Consolas, monospace; font-size: 13.5px; }
.rules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.rule { font-size: 13px; line-height: 1.5; color: var(--muted); border-left: 2px solid var(--line); padding-left: 12px; }
.rule-name { display: block; color: var(--text); font-weight: 600; margin-bottom: 4px; }

h2 { font-size: 20px; font-weight: 500; margin: 0 0 6px; }
.controls { display: flex; flex-wrap: wrap; gap: 10px 28px; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 13px; position: sticky; top: 0; background: var(--bg); z-index: 5; }
.ctl-group { display: flex; align-items: center; gap: 10px; }
.ctl-name { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; margin-right: 4px; }
.ctl-group label { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; color: var(--text); }
.ctl-group input { accent-color: var(--good); margin: 0; }

.stand { padding: 26px 0 10px; }
.ref-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.ref-head p { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
.stage { background: #080a0e; border-radius: 8px; padding: 14px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; overflow-x: auto; }

/* ---------- the pane tile, as drawn by tile_head + the glass ---------- */
.tile { display: inline-flex; flex-direction: column; border: 1px solid var(--head-line); background: var(--glass); position: relative; }
.tile .head { display: flex; align-items: center; gap: 8px; height: 22px; padding: 0 10px; background: var(--head); border-bottom: 1px solid var(--head-line);
  font-size: 11px; color: var(--label); white-space: nowrap; user-select: none; }
.tile .head .fill { flex: 1; }
.tile .head .close { color: var(--close); font-size: 12px; }
.tile canvas { display: block; cursor: pointer; }
.tile .capsule { position: absolute; right: 10px; bottom: 8px; padding: 3px 8px; font-size: 10px; letter-spacing: .5px; color: #d7d3e6; background: #1c1a2c; border: 1px solid #2c2a40; opacity: 0; transition: opacity .25s; pointer-events: none; font-family: "Segoe UI", system-ui, sans-serif; }
.tile .capsule.on { opacity: 1; }
.tile.stand-tile { --cols: 104; }
.stand-note { font-size: 12px; color: var(--dim); }
.stand-note b { color: var(--muted); font-weight: 500; }

.variants { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 24px; padding: 20px 0 30px; }
.variant { border: 1px solid var(--line); border-radius: 10px; padding: 14px; background: var(--panel); cursor: pointer; transition: border-color .15s; min-width: 0; }
.variant:hover { border-color: var(--dim); }
.variant.picked { border-color: var(--good); box-shadow: 0 0 0 1px var(--good) inset; }
.v-head { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 10px; }
.v-tag { font-size: 13px; font-weight: 700; color: var(--bg); background: var(--good); border-radius: 6px; padding: 3px 8px; min-width: 30px; text-align: center; }
.variant.picked .v-tag { background: var(--text); }
.v-head h3 { margin: 0; font-size: 17px; font-weight: 600; }
.v-lines { font-size: 12px; color: var(--muted); margin-top: 2px; }
.v-glass { background: #080a0e; border-radius: 6px; padding: 8px; overflow-x: auto; }
.variant > p { font-size: 13px; line-height: 1.5; color: var(--muted); margin: 10px 0 8px; }
.cost { font-size: 12px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.cost b { color: var(--text); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .5px; margin-right: 4px; }
.cost label { display: inline-flex; align-items: center; gap: 5px; color: var(--text); cursor: pointer; margin-left: auto; }
.cost input { accent-color: var(--warn); margin: 0; }
.variant.start .v-tag { outline: 2px solid var(--warn); outline-offset: 1px; }

.legend { padding: 10px 0 30px; border-top: 1px solid var(--line); }
.legend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 20px; font-size: 12.5px; line-height: 1.5; color: var(--muted); margin-top: 12px; }
.legend-grid b { color: var(--text); font-weight: 600; margin-right: 6px; }

/* ---------- pick bar ---------- */
.pickbar { position: fixed; left: 0; right: 0; bottom: 0; background: #0d1117; border-top: 1px solid var(--line); z-index: 6; }
.pick-inner { max-width: 1180px; margin: 0 auto; padding: 12px 28px; display: flex; align-items: center; gap: 20px; font-size: 13px; }
.pick-inner > div { flex: 1; }
.codes { color: var(--muted); }
#pick-link { font-family: Consolas, monospace; font-size: 12px; overflow-wrap: anywhere; }

@media (max-width: 1000px) {
  .variants, .rules, .legend-grid { grid-template-columns: 1fr; }
  .mast-inner, main { padding: 20px 16px; }
}