/* Backgammon: board, checkers, dice, player bars, dialogs. Layout and the result card come from cb-arcade.css. */
.bg-page {
  --felt: #1d4b47; --felt-2: #173d3a; --wood: #6e4b30; --wood-2: #5a3b24;
  --pt-a: #ecd29c; --pt-b: #3f9488; --light: #fff8ec; --light-rim: #b89a72; --dark: #2c2236; --dark-rim: #6d5a80;
  --hl: #ffd23f; --sel: #2f6bff;
}
.bg-page [hidden] { display: none !important; }

.bg-tabs { display: flex; gap: 6px; margin: 0 0 10px; background: var(--cbx-soft); padding: 4px; border-radius: 14px; }
.bg-tabs button { flex: 1; border: 0; background: transparent; padding: 10px 8px; border-radius: 11px; font: 900 15px var(--cbx-body); color: var(--cbx-muted); cursor: pointer; }
.bg-tabs button[aria-selected="true"] { background: #fff; color: var(--cbx-ink); box-shadow: 0 2px 6px rgba(42, 29, 23, .12); }

.bg-card { padding: 12px; }
.bg-player { display: flex; align-items: center; gap: 10px; min-height: 38px; padding: 2px 4px; font: 900 15px var(--cbx-body); }
.bg-player .dot { width: 16px; height: 16px; border-radius: 50%; flex: none; }
.bg-player .dot.p0 { background: var(--light); box-shadow: inset 0 0 0 2px var(--light-rim); }
.bg-player .dot.p1 { background: var(--dark); box-shadow: inset 0 0 0 2px var(--dark-rim); }
.bg-player .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bg-player .pip { flex: none; font: 900 13px var(--cbx-body); color: var(--cbx-muted); }
.bg-player .pip b { color: var(--cbx-ink); }
.bg-player.turn .nm::after { content: ' • to move'; color: var(--cbx-good); font-size: 13px; }

.bg-board { display: block; width: min(100%, 560px); margin: 0 auto; user-select: none; -webkit-user-select: none; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.bg-board svg { display: block; width: 100%; height: auto; border-radius: 12px; box-shadow: 0 12px 30px rgba(42, 29, 23, .25); }
.bg-board [data-t] { cursor: pointer; }
.bg-board.locked [data-t] { cursor: default; }
.bg-board.flash svg { animation: bg-flash .5s; }
@keyframes bg-flash { 50% { box-shadow: 0 0 0 6px rgba(255, 77, 77, .55); } }
.bg-board .dice.rolling { animation: bg-shake .14s linear infinite; transform-box: fill-box; transform-origin: center; }
@keyframes bg-shake { 0% { transform: translate(0, 0) rotate(0); } 25% { transform: translate(1.5px, -1px) rotate(6deg); } 50% { transform: translate(-1px, 1px) rotate(-5deg); } 75% { transform: translate(1px, 1.5px) rotate(4deg); } }
.bg-board .tgt { animation: bg-pulse 1.1s ease-in-out infinite; }
@keyframes bg-pulse { 50% { opacity: .55; } }

.bg-status { margin: 10px 0 0; min-height: 24px; text-align: center; font: 900 16px var(--cbx-body); color: var(--cbx-ink); }
.bg-status.good { color: var(--cbx-good); } .bg-status.bad { color: var(--cbx-bad); }
.bg-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 10px; }
.bg-actions .cbx-btn { min-height: 46px; }
.bg-send { display: grid; gap: 8px; margin-top: 10px; }
.bg-level { display: flex; gap: 6px; justify-content: center; margin-top: 10px; }
.bg-level button { border: 0; padding: 8px 14px; border-radius: 999px; background: var(--cbx-soft); font: 900 14px var(--cbx-body); color: var(--cbx-muted); cursor: pointer; }
.bg-level button[aria-pressed="true"] { background: var(--cbx-accent); color: #fff; }
.bg-moves { margin: 12px 0 0; padding: 8px 10px; border-radius: 12px; background: var(--cbx-soft); font: 800 14px/1.6 var(--cbx-body); color: var(--cbx-ink-2); max-height: 96px; overflow-y: auto; }
.bg-moves:empty { display: none; }
.bg-moves div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bg-moves b { color: var(--cbx-muted); font-weight: 900; }
.bg-moves i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 5px; vertical-align: 1px; }
.bg-moves i.p0 { background: var(--light); box-shadow: inset 0 0 0 1.5px var(--light-rim); } .bg-moves i.p1 { background: var(--dark); }
.bg-banner, .cbx-card .bg-banner { margin: 0 0 10px; padding: 10px 12px; border-radius: 12px; background: #1d2740; color: #fff; font: 800 14px/1.4 var(--cbx-body); }
.bg-banner b { color: #ffd66b; }
.bg-result { margin-top: 12px; padding: 12px; border-radius: 14px; background: var(--cbx-soft); }
.bg-result .lbl { display: block; font: 900 30px/1.1 var(--cbx-display); color: var(--cbx-accent); }
.cbx-card .bg-result p { margin: 4px 0 0; font: 800 15px var(--cbx-body); color: var(--cbx-ink-2); }

.bg-dlg { border: 0; padding: 0; border-radius: 22px; width: min(420px, calc(100vw - 32px)); box-shadow: 0 30px 80px rgba(0, 0, 0, .35); }
.bg-dlg::backdrop { background: rgba(42, 29, 23, .45); }
.bg-dlg-card { padding: 20px; }
.bg-dlg h2 { margin: 0 0 6px; font: 900 22px var(--cbx-display); }
.bg-dlg p { margin: 0 0 12px; font: 800 15px/1.45 var(--cbx-body); color: var(--cbx-muted); }
.bg-field { display: grid; gap: 4px; margin: 0 0 10px; font: 900 13px var(--cbx-body); color: var(--cbx-ink-2); }
.bg-field input { font: 800 17px var(--cbx-body); padding: 11px 12px; border: 2px solid var(--cbx-line); border-radius: 12px; }
.bg-colors { display: flex; gap: 8px; margin: 4px 0 10px; }
.bg-colors label { flex: 1; display: grid; place-items: center; gap: 4px; padding: 10px 6px; border-radius: 12px; border: 2px solid var(--cbx-line); font: 900 13px var(--cbx-body); cursor: pointer; }
.bg-colors input { display: none; }
.bg-colors label:has(input:checked) { border-color: var(--cbx-accent); background: color-mix(in srgb, var(--cbx-accent) 10%, #fff); }
.bg-colors .ck { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font: 900 15px var(--cbx-body); }
.bg-colors .ck.p0 { background: var(--light); box-shadow: inset 0 0 0 3px var(--light-rim); }
.bg-colors .ck.p1 { background: var(--dark); box-shadow: inset 0 0 0 3px var(--dark-rim); }
.bg-colors .ck.r { background: linear-gradient(90deg, var(--light) 50%, var(--dark) 50%); box-shadow: inset 0 0 0 2px var(--light-rim); }
.bg-dlg-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 10px; flex-wrap: wrap; }
.bg-mine { margin-top: 14px; border-top: 2px solid var(--cbx-line); padding-top: 10px; }
.bg-mine h3 { margin: 0 0 6px; font: 900 14px var(--cbx-body); }
.bg-mine ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.bg-mine a { display: block; padding: 9px 12px; border-radius: 10px; background: var(--cbx-soft); font: 800 14px var(--cbx-body); color: var(--cbx-ink); text-decoration: none; }