.digit-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:32px;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:.12em}.eyebrow{margin-bottom:10px}.game-heading h1{max-width:830px;margin:0;font-size:clamp(2.25rem,7vw,4.75rem);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:.76rem;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-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 12px;border-right:2px solid var(--line);text-align:center}.stat:last-child{border-right:0}.stat strong{font-size:clamp(1.05rem,3vw,1.55rem)}
.digit-stage{display:flex;min-height:720px;flex-direction:column;align-items:center;padding:22px 28px 34px;background:linear-gradient(rgba(88,199,215,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(88,199,215,.045) 1px,transparent 1px),radial-gradient(circle at 50% 43%,#173b45 0,transparent 60%);background-size:24px 24px,24px 24px,auto}.timing-panel{width:min(560px,100%)}.timing-copy{display:flex;justify-content:space-between;margin-bottom:7px;color:var(--muted);font-size:.72rem;font-weight:800;letter-spacing:.1em}.timing-copy strong{color:var(--blue)}.timing-track{height:17px;overflow:hidden;border:2px solid var(--line);border-radius:5px;background:#071a1f}.timing-track span{display:block;width:calc(var(--answer-progress,0) * 1%);height:100%;border-radius:3px;background:linear-gradient(90deg,var(--red),var(--gold),var(--green))}.stage-copy{min-height:122px;padding-top:18px;text-align:center}.stage-kicker{margin:0 0 8px;color:var(--gold);font-size:.76rem;font-weight:800;letter-spacing:.14em}.stage-copy h2{margin:0;font-size:clamp(1.45rem,5vw,2.35rem)}.stage-copy p:not(.stage-kicker){max-width:620px;margin:9px auto 0;color:var(--muted);line-height:1.5}.digit-display{display:flex;width:min(360px,100%);min-height:145px;flex-direction:column;align-items:center;justify-content:center;border:4px solid var(--ink);border-radius:5px;background:#0a2026;box-shadow:7px 7px 0 var(--shadow)}.digit-display strong{color:var(--gold);font-size:clamp(4rem,15vw,7.5rem);font-variant-numeric:tabular-nums;line-height:1}.digit-display span{margin-top:8px;color:var(--muted);font-size:.74rem;font-weight:800;letter-spacing:.12em}.answer-display{display:flex;width:min(560px,100%);min-height:70px;flex-direction:column;align-items:center;justify-content:center;margin-top:14px;border:2px solid var(--line);border-radius:5px;background:#0a2026}.answer-display span{max-width:100%;overflow:hidden;color:var(--blue);font-size:clamp(1.4rem,6vw,2.2rem);font-weight:900;letter-spacing:.16em;white-space:nowrap}.answer-display small{margin-top:4px;color:var(--muted)}.keypad{display:grid;width:min(360px,100%);grid-template-columns:repeat(3,1fr);gap:7px;margin-top:14px}.keypad button{min-height:54px;border:2px solid var(--line);border-bottom-width:5px;border-radius:5px;background:#16434c;color:var(--ink);font-size:1.25rem;font-weight:900;cursor:pointer;touch-action:manipulation}.keypad button:not(:disabled):active{border-bottom-width:2px;transform:translateY(3px)}.keypad button:disabled{cursor:not-allowed;opacity:.52}.keypad .delete-key{background:#244952}.keypad .clear-key{background:var(--red);color:var(--ink);font-size:.75rem}.round-result{display:flex;min-height:29px;gap:10px;align-items:baseline;justify-content:center;margin-top:11px}.round-result[hidden]{visibility:hidden}.round-result strong{font-size:1.15rem}.round-result span{color:var(--muted);font-size:.78rem}.primary-button{min-width:min(380px,100%);margin-top:12px;border-radius:5px}.mode-switch button:focus-visible,.keypad button:focus-visible,.primary-button:focus-visible,.related-links a:focus-visible,.faq-list summary:focus-visible{outline:4px solid var(--blue);outline-offset:3px}.control-note{margin:14px 0 0;color:var(--muted);font-size:.74rem;line-height:1.5;text-align:center}.digit-stage[data-state="success"] .digit-display{border-color:var(--green)}.digit-stage[data-state="failure"] .digit-display,.digit-stage[data-state="game-over"] .digit-display{border-color:var(--red)}
.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{color:var(--ink);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){.digit-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)}.digit-stage{padding:20px 12px 28px}.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(2rem,11vw,3rem)}.stage-copy{min-height:138px}.digit-display{min-height:125px}.keypad button{min-height:50px}}
@media(prefers-reduced-motion:reduce){.keypad button{transition:none}}