.tempo-shell{width:min(1080px,calc(100% - 32px))}.game-card{overflow:hidden;border:3px solid var(--ink);border-radius:5px;background:var(--panel);box-shadow:10px 10px 0 var(--shadow)}.game-heading{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end;padding:30px 34px;border-bottom:3px solid var(--ink)}.eyebrow,.section-kicker{margin:0;color:var(--gold);font-size:.78rem;font-weight:800;letter-spacing:.13em}.game-heading h1{max-width:820px;margin:10px 0 0;font-size:clamp(2.1rem,7vw,4.6rem);line-height:.94}.lede{max-width:720px;margin:18px 0 0;color:var(--muted);line-height:1.6}.progress-box{min-width:150px;padding:16px;border:2px solid var(--line);border-radius:5px;background:#0a2026;text-align:center}.progress-box>span,.stat>span{display:block;margin-bottom:7px;color:var(--muted);font-size:.74rem;font-weight:800;letter-spacing:.1em}.progress-box strong{color:var(--gold);font-size:1.6rem}
.mode-panel{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:2px solid var(--line);background:#0a2026}.mode-switch{display:flex;flex:0 0 auto;gap:6px}.mode-switch button{padding:10px 14px;border:2px solid var(--line);border-radius:5px;background:transparent;color:var(--muted);font-weight:800;cursor:pointer}.mode-switch button[aria-pressed="true"]{border-color:var(--gold);background:var(--gold);color:var(--night)}.mode-switch button:disabled{cursor:not-allowed;opacity:.65}.mode-description{margin:0;color:var(--muted);font-size:.84rem;line-height:1.45;text-align:right}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:3px solid var(--ink)}.stat{min-width:0;padding:18px 10px;border-right:2px solid var(--line);text-align:center}.stat:last-child{border-right:0}.stat strong{font-size:clamp(1rem,3vw,1.45rem)}
.tempo-stage{display:flex;min-height:720px;flex-direction:column;align-items:center;padding:26px 28px 34px;background:linear-gradient(rgba(88,199,215,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(88,199,215,.04) 1px,transparent 1px),radial-gradient(circle at 50% 40%,#173b45 0,transparent 62%);background-size:24px 24px,24px 24px,auto}.stage-copy{min-height:132px;text-align:center}.stage-kicker{margin:0 0 9px;color:var(--gold);font-size:.78rem;font-weight:800;letter-spacing:.14em}.stage-copy h2{margin:0;font-size:clamp(1.5rem,5vw,2.5rem)}.stage-copy>p:not(.stage-kicker){max-width:680px;margin:10px auto 0;color:var(--muted);line-height:1.5}
.timing-wrap{width:min(760px,100%);margin-bottom:16px}.timing-labels{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;color:var(--muted);font-size:.74rem;font-weight:800;letter-spacing:.1em}.timing-labels strong{color:var(--ink);font-size:1rem}.timing-bar{position:relative;height:24px;overflow:hidden;border:3px solid var(--ink);border-radius:5px;background:#071a1f;box-shadow:4px 4px 0 var(--shadow)}.timing-bar>span{position:absolute;inset:0;background:var(--blue);transform:scaleX(0);transform-origin:left;will-change:transform}.timing-bar[data-waiting="true"]>span{background:repeating-linear-gradient(90deg,var(--blue) 0 22px,#153f51 22px 44px);animation:wait-pulse .8s steps(2,end) infinite}.timing-bar[data-urgent="true"]>span{background:var(--red)}.timing-bar i{position:absolute;z-index:1;top:0;bottom:0;width:2px;background:rgba(7,26,31,.4)}.timing-bar i:nth-of-type(1){left:25%}.timing-bar i:nth-of-type(2){left:50%}.timing-bar i:nth-of-type(3){left:75%}@keyframes wait-pulse{50%{filter:brightness(1.45)}}
.pulse-panel{position:relative;display:flex;width:min(760px,100%);min-height:250px;overflow:hidden;flex-direction:column;gap:9px;align-items:center;justify-content:center;border:4px solid var(--ink);border-radius:5px;background:#091e24;box-shadow:7px 7px 0 var(--shadow)}.pulse-panel>strong{position:relative;z-index:3;color:var(--blue);font-size:clamp(4rem,15vw,7rem);line-height:1}.pulse-panel>small{position:relative;z-index:3;color:var(--muted);font-weight:800;letter-spacing:.12em}.pulse-rings span{position:absolute;top:50%;left:50%;width:70px;height:70px;border:4px solid var(--blue);border-radius:50%;opacity:0;transform:translate(-50%,-50%) scale(.5)}.pulse-panel.is-pulsing{background:#123741}.pulse-panel.is-pulsing .pulse-rings span{animation:pulse-ring .42s ease-out}.pulse-panel.is-pulsing .pulse-rings span:nth-child(2){animation-delay:.06s}.pulse-panel.is-pulsing .pulse-rings span:nth-child(3){animation-delay:.12s}@keyframes pulse-ring{0%{opacity:.9;transform:translate(-50%,-50%) scale(.4)}100%{opacity:0;transform:translate(-50%,-50%) scale(3.2)}}
.sound-toggle{margin:13px 0;padding:8px 12px;border:2px solid var(--line);border-radius:5px;background:#0a2026;color:var(--blue);font-size:.72rem;font-weight:900;letter-spacing:.1em;cursor:pointer}.sound-toggle[aria-pressed="true"]{color:var(--muted)}.answer-buttons{display:grid;width:min(760px,100%);grid-template-columns:1fr 1fr;gap:14px}.answer-buttons button{display:flex;min-height:104px;flex-direction:column;gap:5px;align-items:center;justify-content:center;border:3px solid var(--line);border-bottom-width:8px;border-radius:5px;background:#102b32;color:var(--ink);cursor:pointer;touch-action:manipulation}.answer-buttons button strong{font-size:1.6rem}.answer-buttons button span{color:var(--muted);font-size:.7rem;font-weight:800;letter-spacing:.08em}.answer-buttons kbd{padding:2px 8px;border:2px solid var(--line);border-radius:5px;background:#071a1f;color:var(--gold)}.answer-buttons button:not(:disabled):hover{border-color:var(--gold)}.answer-buttons button:not(:disabled):active{border-bottom-width:3px;transform:translateY(5px)}.answer-buttons button:disabled{cursor:not-allowed;opacity:.46}.answer-buttons button:focus-visible,.sound-toggle:focus-visible,.mode-switch button:focus-visible,.primary-button:focus-visible{outline:4px solid var(--gold);outline-offset:3px}
.result-line{min-height:1.4em;margin:14px 0 8px;color:var(--muted);font-size:.82rem;font-weight:900;letter-spacing:.06em;text-align:center}.result-line[data-kind="correct"]{color:var(--green)}.result-line[data-kind="wrong"]{color:var(--red)}.primary-button{min-width:min(390px,100%)}.control-note{margin:14px 0 0;color:var(--muted);font-size:.74rem;line-height:1.5;text-align:center}
.content-section,.faq-section,.related-section{margin-top:48px}.content-section h2,.faq-section h2,.related-section h2,.info-panel h2{margin:8px 0 0}.steps-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:0;list-style:none}.steps-list li,.info-panel,.faq-list details,.related-links a{border:2px solid var(--line);border-radius:5px;background:var(--panel)}.steps-list li{display:flex;gap:14px;padding:20px}.steps-list li>span{color:var(--gold);font-size:1.25rem;font-weight:900}.steps-list p,.info-panel p,.faq-list p{margin:0;color:var(--muted);line-height:1.65}.reading-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:32px}.info-panel{padding:26px}.info-panel h2{margin-bottom:16px}.info-panel p+p{margin-top:12px}.faq-list{display:grid;gap:10px;margin-top:18px}.faq-list details{padding:18px 20px}.faq-list summary{font-weight:800;cursor:pointer}.faq-list p{margin-top:12px}.related-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.related-links a{display:flex;gap:5px;flex-direction:column;padding:18px;color:var(--ink);text-decoration:none}.related-links a:hover{border-color:var(--gold)}.related-links small{color:var(--muted)}
@media(max-width:720px){.tempo-shell{width:min(100% - 20px,1080px)}.topbar{align-items:flex-start}.topbar-meta{flex-wrap:wrap;justify-content:flex-end}.game-heading{grid-template-columns:1fr;gap:18px;padding:24px 20px}.progress-box{min-width:0}.mode-panel{align-items:stretch;flex-direction:column}.mode-switch button{flex:1}.mode-description{text-align:left}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:2px solid var(--line)}.tempo-stage{min-height:680px;padding:24px 12px 30px}.pulse-panel{min-height:220px}.steps-list,.reading-grid,.related-links{grid-template-columns:1fr}}
@media(max-width:430px){.topbar-meta{max-width:210px}.topbar-link{font-size:.63rem}.game-heading h1{font-size:clamp(1.9rem,11vw,3rem)}.stage-copy{min-height:150px}.pulse-panel{min-height:195px}.answer-buttons button{min-height:96px}}
@media(prefers-reduced-motion:reduce){.timing-bar>span{will-change:auto}.timing-bar[data-waiting="true"]>span{animation:none}.pulse-panel.is-pulsing .pulse-rings span{animation:none}.pulse-panel.is-pulsing{background:#174853}}