:root{--pong-bg:#061522;--pong-panel:#0a2133;--pong-line:rgba(117,197,231,.17);--pong-cyan:#4cc9f0;--pong-green:#5ee3a2;--pong-red:#ff6f7d;--pong-amber:#ffbd59;--pong-text:#edf8fc;--pong-muted:#95acbd}
.pong-page{background:radial-gradient(circle at 50% 20%,rgba(76,201,240,.08),transparent 32%),var(--pong-bg);color:var(--pong-text);overscroll-behavior-y:none}.pong-page-shell{max-width:1120px}.pong-intro{max-width:800px;padding:34px 0 22px}.pong-intro h1{margin:10px 0 12px;font-size:clamp(2.6rem,7vw,5rem);line-height:.98;letter-spacing:-.055em}.pong-intro h1 span{color:var(--pong-cyan)}.pong-intro p{max-width:720px;margin:0;color:var(--pong-muted);font-size:.98rem;line-height:1.65}
.pong-layout{display:grid;grid-template-columns:minmax(320px,620px) minmax(250px,1fr);gap:18px;align-items:start}.pong-game-card,.pong-side-card{border:1px solid var(--pong-line);border-radius:24px;background:linear-gradient(155deg,rgba(12,43,65,.96),rgba(7,24,38,.98));box-shadow:0 25px 55px rgba(0,0,0,.24);overflow:hidden}.pong-hud{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:13px 16px;border-bottom:1px solid var(--pong-line)}.pong-side-score{display:flex;align-items:center;gap:9px}.pong-side-score--buyer{justify-content:flex-end}.pong-side-score small,.pong-rally small{color:#86a2b5;font-size:.62rem;font-weight:900;letter-spacing:.11em}.pong-side-score strong{font-size:1.8rem;line-height:1}.pong-side-score--seller strong{color:var(--pong-red)}.pong-side-score--buyer strong{color:var(--pong-green)}.pong-rally{display:grid;place-items:center;min-width:72px}.pong-rally strong{font-size:1.2rem}.pong-rally span{color:var(--pong-amber);font-size:.52rem;font-weight:950;letter-spacing:.1em}
.pong-arena-wrap{position:relative;width:100%;height:min(66vh,650px);min-height:470px;background:#06111d;overflow:hidden;isolation:isolate}.pong-arena-wrap:after{content:"";position:absolute;z-index:1;inset:50% 0 auto;height:1px;background:linear-gradient(90deg,transparent,rgba(76,201,240,.2),transparent);pointer-events:none}.pong-arena-wrap canvas{position:relative;z-index:2;display:block;width:100%;height:100%;touch-action:none;cursor:crosshair}.pong-overlay{position:absolute;z-index:8;inset:0;display:grid;place-items:center;padding:22px;background:rgba(3,13,22,.68);backdrop-filter:blur(4px)}.pong-overlay[hidden]{display:none}.pong-overlay-card{width:min(100%,360px);padding:22px;border:1px solid rgba(76,201,240,.22);border-radius:21px;background:linear-gradient(155deg,rgba(12,41,61,.97),rgba(5,20,32,.98));text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.35)}.pong-overlay-card>span{color:var(--pong-cyan);font-size:.64rem;font-weight:950;letter-spacing:.12em}.pong-overlay-card h2{margin:8px 0 9px;font-size:1.7rem;line-height:1.05}.pong-overlay-card p{margin:0 0 16px;color:#a8bdcb;font-size:.82rem;line-height:1.55}.pong-primary,.pong-secondary{width:100%;min-height:50px;border:0;border-radius:13px;font:inherit;font-weight:950;cursor:pointer;touch-action:manipulation}.pong-primary{background:var(--pong-cyan);color:#042033}.pong-secondary{margin-top:8px;border:1px solid rgba(94,227,162,.28);background:rgba(94,227,162,.1);color:#78efb7}.pong-share-status{min-height:1.1em;margin:9px 0 0!important;color:#7be9b3!important}.pong-point-flash{position:absolute;z-index:7;left:50%;top:50%;transform:translate(-50%,-50%) scale(.8);opacity:0;color:#fff;font-size:clamp(2rem,10vw,4rem);font-weight:950;text-shadow:0 8px 24px rgba(0,0,0,.45);pointer-events:none}.pong-point-flash.show{animation:pongFlash .72s ease-out}@keyframes pongFlash{0%{opacity:0;transform:translate(-50%,-50%) scale(.65)}25%{opacity:1;transform:translate(-50%,-50%) scale(1)}100%{opacity:0;transform:translate(-50%,-60%) scale(1.08)}}
.pong-thumb-guide{display:flex;align-items:center;justify-content:center;gap:9px;padding:11px 14px;border-top:1px solid var(--pong-line);border-bottom:1px solid var(--pong-line);background:rgba(76,201,240,.035)}.pong-thumb-guide span{color:var(--pong-cyan);font-size:1.4rem}.pong-thumb-guide p{margin:0;color:#95adbd;font-size:.75rem}.pong-thumb-guide strong{color:#d9edf6}.pong-controls{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:8px;padding:12px}.pong-controls label,.pong-controls button{min-height:46px;border:1px solid rgba(255,255,255,.09);border-radius:11px;background:rgba(255,255,255,.035);color:#d8e8f1;font:inherit;font-size:.74rem;font-weight:850}.pong-controls label{display:flex;align-items:center;justify-content:space-between;gap:5px;padding:0 10px}.pong-controls label span{color:#7f99ab}.pong-controls select{max-width:84px;border:0;background:transparent;color:#fff;font:inherit;font-weight:900;outline:none}.pong-controls select option{background:#0a2133}.pong-controls button{cursor:pointer;touch-action:manipulation}.pong-controls button:disabled{opacity:.45}
.pong-side-card{padding:23px}.pong-side-card h2{margin:7px 0 19px;font-size:2rem;line-height:1.05}.pong-stat{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07);color:#8ea7b8;font-size:.8rem}.pong-stat strong{color:#e8f5fa;font-size:1rem}.pong-stat .bullish{color:var(--pong-green)}.pong-stat .bearish{color:var(--pong-red)}.pong-notes{display:grid;gap:9px;margin:18px 0}.pong-notes p{margin:0;padding:11px;border-radius:11px;background:rgba(255,255,255,.03);color:#9eb3c2;font-size:.76rem;line-height:1.5}.pong-notes b{color:#dff1f8}.pong-back-link{display:inline-flex;color:var(--pong-cyan);font-size:.82rem;font-weight:900;text-decoration:none}.pong-how{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;padding:24px 0 70px}.pong-how article{padding:18px;border:1px solid var(--pong-line);border-radius:16px;background:rgba(9,32,49,.6)}.pong-how span{color:var(--pong-cyan);font-size:.65rem;font-weight:950;letter-spacing:.12em}.pong-how h3{margin:7px 0 4px;font-size:1rem}.pong-how p{margin:0;color:#91a9ba;font-size:.76rem;line-height:1.55}
@media(max-width:850px){.pong-layout{grid-template-columns:minmax(0,1fr)}.pong-side-card{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.pong-side-card>h2,.pong-side-card>.section-kicker,.pong-side-card>.pong-notes,.pong-side-card>.pong-back-link{grid-column:1/-1}}
@media(max-width:560px){.pong-page-shell{padding-inline:0}.pong-page .site-header,.pong-intro,.pong-how,.pong-page .site-footer,.pong-page .mini-disclaimer{margin-inline:18px}.pong-intro{padding-top:24px}.pong-intro h1{font-size:2.75rem}.pong-intro p{font-size:.9rem}.pong-layout{gap:13px}.pong-game-card{border-left:0;border-right:0;border-radius:0}.pong-arena-wrap{height:min(65svh,610px);min-height:455px}.pong-side-card{margin-inline:18px;display:block}.pong-controls{grid-template-columns:1.25fr 1fr 1fr}.pong-controls label,.pong-controls button{font-size:.7rem}.pong-how{grid-template-columns:1fr;padding-bottom:48px}.pong-side-score small{font-size:.56rem}.pong-side-score strong{font-size:1.6rem}}
@media(max-width:370px){.pong-arena-wrap{min-height:430px}.pong-controls{grid-template-columns:1fr 1fr}.pong-controls label{grid-column:1/-1}.pong-thumb-guide p{font-size:.7rem}}
@media(prefers-reduced-motion:reduce){.pong-point-flash.show{animation:none;opacity:1}}