dialog:has(.pingpong-panel) { width: min(980px, calc(100% - 24px)); }
.pingpong-panel { padding: 20px; background: linear-gradient(145deg,#eef5ff,#f4f0ff); }
.pingpong-rules-strip { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px; }
.pingpong-rules-strip span { border: 1px solid #cfe0f3; border-radius: 999px; padding: 7px 11px; background: rgba(255,255,255,.85); color: #3f5878; font-size: .78rem; font-weight: 800; }
.pingpong-setup { display: flex; gap: 12px; justify-content: space-between; align-items: stretch; margin-bottom: 14px; }
.pingpong-difficulties { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; flex: 1; }
.pingpong-difficulties button { border: 2px solid #d8e2ef; border-radius: 14px; padding: 9px 12px; background: #fff; color: #3c506b; font: 850 .95rem/1.1 var(--font-game); cursor: pointer; }
.pingpong-difficulties button small { display: block; margin-top: 4px; color: #71819a; font: 700 .68rem/1.1 var(--font-body); }
.pingpong-difficulties button.active { border-color: #3977d5; color: #2456a8; box-shadow: 0 0 0 3px rgba(57,119,213,.12); }
.pingpong-difficulties button:disabled:not(.active) { opacity: .42; }
.pingpong-scoreboard { display: grid; grid-template-columns: 150px 1fr 150px; gap: 10px; align-items: stretch; margin-bottom: 12px; }
.pingpong-scoreboard > div { border: 2px solid #d8e3f1; border-radius: 16px; background: #fff; padding: 10px 14px; }
.pingpong-scoreboard [data-score-player] { display: grid; grid-template-columns: 1fr auto; align-items: center; text-align: left; transition: border-color .2s, box-shadow .2s; }
.pingpong-scoreboard [data-score-player].serving { border-color: #f0ad24; box-shadow: 0 0 0 4px rgba(240,173,36,.15); }
.pingpong-scoreboard [data-score-player].serving span::after { content: " ●"; color: #ef9f17; }
.pingpong-scoreboard [data-score-player] span { font-weight: 900; }
.pingpong-scoreboard [data-score-player] strong { grid-row: 1/3; grid-column: 2; color: #214f96; font: 900 2.35rem/1 var(--font-game); }
.pingpong-scoreboard [data-score-player] small { color: #687891; }
.pingpong-game-label { display: grid; place-items: center; align-content: center; gap: 4px; }
.pingpong-game-label span { color: #62728a; font-size: .8rem; font-weight: 800; }
.pingpong-game-label strong { color: #263f63; font: 850 .92rem/1.2 var(--font-game); }
.pingpong-canvas-wrap { position: relative; width: min(100%, 50vh, 570px); margin-inline: auto; overflow: hidden; border: 3px solid #fff; border-radius: 12px; box-shadow: 0 14px 28px rgba(23,51,86,.2); }
#pingPongCanvas { display: block; width: 100%; height: auto; aspect-ratio: 30/41; touch-action: none; cursor: none; }
.pingpong-start-card { position: absolute; inset: 50% auto auto 50%; width: min(360px,82%); transform: translate(-50%,-50%); display: grid; gap: 7px; border: 2px solid rgba(255,255,255,.8); border-radius: 18px; padding: 20px; background: rgba(13,35,62,.88); color: #fff; backdrop-filter: blur(8px); }
.pingpong-start-card[hidden] { display: none; }
.pingpong-start-card strong { font: 900 1.35rem/1 var(--font-game); }
.pingpong-start-card span { color: #d9e7f7; }
.pingpong-power { display: grid; grid-template-columns: auto minmax(100px,1fr) 62px; gap: 10px; align-items: center; margin-top: 13px; color: #52647d; font-size: .78rem; font-weight: 850; text-align: left; }
.pingpong-power i { display: block; height: 11px; overflow: hidden; border-radius: 99px; background: #d9e3ef; box-shadow: inset 0 1px 2px rgba(24,48,81,.12); }
.pingpong-power b { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg,#3f80e5 0%,#f2b335 62%,#e94b55 100%); transition: width .08s linear; }
.pingpong-power strong { color: #2f568f; font-family: var(--font-game); text-align: right; }
.pingpong-controls { display: grid; grid-template-columns: 1fr; gap: 12px; align-items: center; margin-top: 14px; }
.pingpong-controls p { min-height: 1.4em; margin: 0; color: #4e617b; font-weight: 800; text-align: left; }
.pingpong-message.good { color: #187b5b; }
.pingpong-message.bad { color: #b13d50; }
.pingpong-message.win { color: #79530a; font-size: 1.08rem; }
.pingpong-full-rules { margin-top: 15px; border-radius: 14px; background: #fff; color: #41546f; text-align: left; }
.pingpong-full-rules summary { padding: 12px 15px; color: #2e538e; font-weight: 850; cursor: pointer; }
.pingpong-full-rules ul { margin: 0; padding: 0 34px 16px; }
.pingpong-full-rules li { margin: 6px 0; line-height: 1.42; }
body.standalone-game #modal:has(.pingpong-panel) { width: min(980px, calc(100% - 24px)); }
@media (max-width: 700px) {
  .pingpong-panel { padding: 12px; }
  .pingpong-setup { display: grid; }
  .pingpong-scoreboard { grid-template-columns: 1fr 1fr; }
  .pingpong-game-label { grid-column: 1/-1; grid-row: 1; min-height: 54px; }
  .pingpong-scoreboard [data-score-player="ai"] { grid-column: 1; }
  .pingpong-scoreboard [data-score-player="human"] { grid-column: 2; }
  .pingpong-controls { grid-template-columns: 1fr; }
  .pingpong-controls p { text-align: center; }
  #pingPongCanvas { max-height: none; }
}
@media (max-width: 430px) {
  .pingpong-difficulties button { padding: 8px 5px; font-size: .8rem; }
  .pingpong-rules-strip span:nth-child(4) { display: none; }
  .pingpong-scoreboard > div { padding: 8px 10px; }
}