:root{color-scheme:dark;background:#000;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body,#app{width:100%;min-width:320px;height:100%;min-height:100%;margin:0;overflow:hidden;background:#000}#app{position:fixed;inset:0;isolation:isolate}#wormhole,.vignette,.arrival-flash,.departure-blackout,.welcome{position:absolute;inset:0}.arrival-flash{pointer-events:none;opacity:0;background:radial-gradient(circle at 50% 50%,#fff 0 22%,rgb(238 255 248 / .98) 38%,rgb(180 255 224 / .82) 54%,rgb(120 220 198 / .25) 72%,transparent 100%),#fff}#wormhole{width:100%;height:100%;display:block;background:#000}.vignette{pointer-events:none;background:radial-gradient(circle at 50% 50%,transparent 38%,rgb(0 0 0 / .28) 70%,rgb(0 0 0 / .92) 118%),linear-gradient(180deg,rgb(0 0 0 / .28),transparent 28%,transparent 72%,rgb(0 0 0 / 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auto;gap:clamp(1rem,2.5vh,2rem);padding:clamp(1.5rem,4vw,4.5rem) clamp(1.25rem,5vw,6rem) clamp(1.25rem,3vw,3rem);color:#f6f2e9;background:radial-gradient(circle at 50% 44%,color-mix(in srgb,var(--class-accent) 13%,transparent),transparent 32%),radial-gradient(circle at 15% 90%,rgb(100 75 190 / .13),transparent 30%),#020307;opacity:0;visibility:hidden;transform:scale(1.015);transition:opacity .9s ease,transform 1.2s cubic-bezier(.16,1,.3,1),visibility 0s .9s}.class-selection:before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.42;background-image:radial-gradient(circle,rgb(255 255 255 / .8) 0 1px,transparent 1.5px),radial-gradient(circle,color-mix(in srgb,var(--class-accent) 70%,white) 0 1px,transparent 1.8px);background-position:0 0,42px 67px;background-size:113px 113px,179px 179px;mask-image:linear-gradient(to bottom,transparent,#000 16%,#000 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auto;min-width:0;min-height:0;padding:0;overflow:hidden;color:#f7f2e7;text-align:left;background:#0a0d17b8;border:1px solid rgb(210 224 255 / .16);border-radius:clamp(1rem,1.6vw,1.5rem);cursor:pointer;filter:saturate(.45) brightness(.62);opacity:.72;transform:scale(.965);transition:transform .5s cubic-bezier(.16,1,.3,1),filter .5s ease,opacity .5s ease,border-color .5s ease,box-shadow .5s ease}.class-card.system{--accent: #62e5ff}.class-card.map-scene{--accent: #9ce56a}.class-card.game-art{--accent: #ff78c9}.class-card:after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 13%,transparent),transparent 45%);opacity:0;transition:opacity .5s ease}.class-card[aria-selected=true]{z-index:2;filter:none;opacity:1;transform:scale(1);border-color:color-mix(in srgb,var(--accent) 72%,transparent);box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 24%,transparent),0 24px 70px color-mix(in 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Roman,serif;font-size:clamp(1.55rem,2.7vw,3.3rem);font-weight:500;line-height:1}.class-copy>span:nth-child(3){max-width:28rem;color:#eff1f9ab;font-size:clamp(.72rem,.9vw,.9rem)}.class-topics{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.3rem}.class-topics i{padding:.28rem .5rem;color:color-mix(in srgb,var(--accent) 78%,white);font-size:clamp(.58rem,.7vw,.7rem);font-style:normal;letter-spacing:.06em;border:1px solid color-mix(in srgb,var(--accent) 28%,transparent);border-radius:999px}.selection-footer{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:2rem;padding-top:clamp(.8rem,1.5vh,1.25rem);border-top:1px solid rgb(255 255 255 / .14)}.selection-footer>div{display:grid;grid-template-columns:auto 1fr;align-items:baseline;gap:.25rem 1rem}.selection-name{font-family:Georgia,Times New Roman,serif;font-size:clamp(1.4rem,2vw,2.25rem);font-weight:500}.selection-description{grid-column:1 / -1;max-width:48rem;margin:0;color:#e8ebf59e;font-size:clamp(.7rem,.85vw,.86rem)}.selection-cta{min-width:13rem;padding:.9rem 1.15rem;color:#020307;font-weight:750;background:var(--class-accent);border:0;border-radius:999px;cursor:pointer;box-shadow:0 0 34px color-mix(in srgb,var(--class-accent) 28%,transparent);transition:transform .18s ease,box-shadow .18s ease}.selection-cta:hover{transform:translateY(-2px);box-shadow:0 0 46px color-mix(in srgb,var(--class-accent) 42%,transparent)}.selection-cta:active{transform:translateY(0) scale(.98)}.selection-cta:focus-visible{outline:2px solid #fff;outline-offset:4px}.selection-hint{margin:-.5rem 0 0;color:#ffffff57;font-size:.68rem;letter-spacing:.12em;text-align:center;text-transform:uppercase}@keyframes hero-breathe{0%,to{transform:scale(1.08) translateY(-1%)}50%{transform:scale(1.14) translateY(-3%)}}@keyframes orbit{to{transform:rotate(1turn)}}@media(max-width:760px){.class-selection{grid-template-rows:auto minmax(0,1fr) auto;gap:.8rem;overflow-y:auto}.class-stage{grid-template-columns:1fr;max-height:none}.class-card{grid-template-columns:38% 1fr;grid-template-rows:1fr;min-height:10.5rem}.class-preview{min-height:10.5rem}.class-copy{align-content:center}.selection-footer{grid-template-columns:1fr;gap:.8rem}.selection-cta{width:100%}.selection-hint{display:none}}@media(prefers-reduced-motion:reduce){.vignette{display:none}.class-card[aria-selected=true] .class-preview img,.class-card[aria-selected=true] .preview-orbit{animation:none}}