/* Precalculus pilot: one hall, eight destinations, focused question routes. */
.world-stage[data-world-room=precalculus]{--room-glow:#edba76;--room-paper:#fff5e7;--room-ink:#302838;background:radial-gradient(circle at 55% 14%,#d4e3dc 0%,#c89f87 47%,#55445c 100%)}
.world-stage[data-world-room=precalculus] .world-room-board{background:#242d42e6;border:2px solid #f5bf76;border-radius:15px;width:min(40vw,450px)}
.world-stage[data-world-room=precalculus] .world-room-board span{color:#ffe0a3}
.world-stage[data-world-room=precalculus] .world-room-label{background:#293447ec!important;border:1px solid #f6c586!important;min-width:96px}
.world-stage[data-world-room=precalculus] .world-room-label b{font-size:11px}
.world-stage[data-world-room=precalculus] .world-minimap{z-index:18}
.pc-entry{position:absolute;left:50%;bottom:70px;transform:translateX(-50%);z-index:15;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:min(580px,calc(100% - 530px));padding:10px;border:1px solid #ffd49b;border-radius:18px;background:#283444ed;box-shadow:0 15px 45px #1d1831a6;color:#fff3df}
.pc-entry-kicker{grid-column:1/-1;font-size:10px;font-weight:900;letter-spacing:.14em;color:#ffe0ad}
.pc-entry button{display:flex;flex-direction:column;justify-content:center;gap:5px;min-height:65px;padding:8px 10px!important;border:1px solid #e8b781!important;border-radius:12px!important;background:#394254!important;color:#fff2df!important;text-align:left;box-shadow:none!important;cursor:pointer}
.pc-entry button:hover,.pc-entry button:focus-visible{background:#6b4b55!important;border-color:#ffdbab!important;transform:translateY(-2px)}
.pc-entry button b{font-size:12px;line-height:1.18}.pc-entry button small{font-size:10px;color:#e8d5ce;line-height:1.25}.pc-entry .pc-teacher-shortcut{grid-column:1/-1;min-height:38px;flex-direction:row;align-items:center;justify-content:space-between;background:#d7ad72!important;color:#2b2835!important}.pc-entry .pc-teacher-shortcut small{color:#3b3542}
.pc-topic-directory{display:block;width:100%;margin-top:9px;min-height:42px;padding:8px!important;border:1px solid #ffd3a1!important;border-radius:11px!important;background:#e4ad6e!important;color:#2b2835!important;font-weight:900}
.pc-entry[hidden],.world-stage.map-mode .pc-entry{display:none}
.world-stage[data-world-room=precalculus] .world-activity-panel{z-index:78}.world-stage[data-world-room=precalculus] .world-activity-panel>div{width:min(1010px,calc(100vw - 24px));max-height:min(89dvh,900px);overflow:auto;background:#fff5e7;color:#302838;border:2px solid #d99565;box-shadow:0 24px 85px #211e31bd}
.world-stage[data-world-room=precalculus] .world-activity-panel h2{color:#302838}.world-stage[data-world-room=precalculus] .world-activity-panel p{color:#514455}.world-stage[data-world-room=precalculus] .world-activity-panel .eyebrow{color:#925944}
.pc-intro-copy{max-width:75ch;line-height:1.5;font-size:14px!important}.pc-zone-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:17px 0}
.pc-zone-card{display:flex;flex-direction:column;gap:5px;min-height:151px;padding:14px!important;border:2px solid var(--pc-accent)!important;border-radius:15px!important;background:linear-gradient(145deg,#fffefa,#f6e9d9)!important;color:#302838!important;text-align:left;cursor:pointer;box-shadow:0 5px 0 #a2817752!important}
.pc-zone-card:hover,.pc-zone-card:focus-visible{transform:translateY(-3px);box-shadow:0 8px 0 #8e71624d!important}.pc-zone-card .pc-zone-number{font-size:9px;letter-spacing:.08em;font-weight:900;color:#754555}.pc-zone-card strong{font-size:16px;line-height:1.1}.pc-zone-card>span:not(.pc-zone-number){font:20px Georgia;color:var(--pc-accent)}.pc-zone-card small{margin-top:auto;font-size:10px;line-height:1.3;color:#635662}.pc-zone-card b{font-size:10px;color:#6a3b4e}
.pc-hall-progress{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#49394c}.pc-hall-progress span{color:#665966}.pc-zone-detail{display:grid;grid-template-columns:minmax(120px,240px) 1fr;gap:20px;margin:12px 0 18px}.pc-zone-visual{display:grid;place-items:center;min-height:175px;border-radius:19px;background:radial-gradient(circle at 50% 25%,#ffffffb9,transparent 55%),linear-gradient(130deg,var(--pc-accent),#273c4e);overflow:hidden}.pc-zone-visual span{z-index:1;font:clamp(25px,4vw,43px) Georgia;color:#fff8df;text-shadow:0 2px 13px #231824}.pc-zone-visual i{position:absolute;width:115px;height:115px;border:2px solid #ffefd777;border-radius:50%;transform:rotate(-25deg)}.pc-explanation{padding:13px;border-left:4px solid var(--pc-accent);background:#f3e4d2;border-radius:6px 12px 12px 6px}.pc-explanation p{margin:4px 0 8px}.pc-explanation strong{font-size:13px}.pc-availability{font-size:11px!important}.pc-level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.pc-level-grid button{display:flex;flex-direction:column;gap:7px;min-height:97px;padding:13px!important;border:1px solid #a46f67!important;border-radius:13px!important;background:#fffefa!important;color:#302838!important;text-align:left}.pc-level-grid button:disabled{opacity:.55}.pc-level-grid button b{font-size:17px}.pc-level-grid button small{color:#6e5867}.pc-level-grid button span{margin-top:auto;font-weight:900;font-size:11px;color:#85504a}.pc-planned{margin-top:15px;border:1px solid #c6a293;border-radius:11px;padding:11px}.pc-planned summary{cursor:pointer;font-weight:800}.pc-planned li{margin:5px 0;font-size:12px}
.pc-quick-actions{display:flex;align-items:end;flex-wrap:wrap;gap:12px;margin-top:14px}.pc-quick-actions label{min-width:180px;font-weight:800}.pc-quick-actions select{display:block;width:100%;margin-top:5px}.pc-teacher-overview{display:grid;grid-template-columns:1fr 1fr;gap:10px}.pc-teacher-overview section,.pc-next-lesson{padding:16px;border:1px solid #c99672;border-radius:15px;background:#fffdf7}.pc-teacher-overview h3,.pc-next-lesson h3{margin:7px 0;font-size:18px}.pc-teacher-overview button,.pc-next-lesson button{min-height:42px}.pc-evidence{margin-top:15px}.pc-evidence-row{display:grid;grid-template-columns:155px 1fr 250px 76px;gap:8px;align-items:center;border-bottom:1px solid #dec7b8;padding:8px 0;font-size:12px}.pc-evidence-track{height:10px;background:#e1d7cd;border-radius:8px;overflow:hidden}.pc-evidence-track span{display:block;height:100%}.pc-evidence-row small{font-size:10px;color:#625365}.pc-evidence-row button{min-height:36px}.pc-evidence-caveat{font-size:11px!important}.pc-next-lesson{margin-top:15px}.pc-result{margin-top:20px;padding:16px;border:2px solid #d39463;border-radius:17px;background:#fff4dc;color:#352739}
.pc-light-toggle{display:flex;align-items:center;justify-content:center;gap:5px;min-width:92px;min-height:42px;padding:7px 10px!important;border:1px solid #e8b879!important;border-radius:12px!important;background:#42374be8!important;color:#fff0d1!important;font-weight:800;white-space:nowrap;cursor:pointer}.pc-light-toggle:focus-visible,.pc-entry :focus-visible,.pc-zone-card:focus-visible,.pc-level-grid :focus-visible,.pc-topic-directory:focus-visible{outline:3px solid #ffce73!important;outline-offset:2px}
.world-hud-top .pc-light-toggle{pointer-events:auto;margin-left:auto}.world-hud-top .campus-surprise{margin-left:0}.world-stage[data-world-room=precalculus] .world-hud-side .pc-topic-directory{font-size:11px}
html[data-pc-light=night] .world-stage{background:linear-gradient(#171e38,#4a3a54 65%,#20243c)!important}html[data-pc-light=night] .world-sky{background:radial-gradient(circle at 73% 15%,#d7c0a05e,transparent 25%),linear-gradient(#171e37,#594769)!important}html[data-pc-light=night] .world-canvas{filter:brightness(.68) saturate(.88) contrast(1.12)}html[data-pc-light=night] .world-stage[data-world-room=precalculus]{background:radial-gradient(circle at 50% 10%,#78617e,#1b2441 75%)!important}html[data-pc-light=night] .world-stage[data-world-room=precalculus] .world-entrance-label{box-shadow:0 0 18px #ffc97787!important}
@media(max-width:1150px){.pc-entry{width:min(520px,calc(100% - 420px));left:48%}.pc-entry button b{font-size:11px}.pc-zone-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){.world-stage .world-hud-top .pc-light-toggle{min-width:42px;min-height:36px;padding:5px!important;font-size:16px}.world-stage .world-hud-top .pc-light-toggle span{display:none}.pc-hall .world-room-side{display:none}.pc-hall .world-room-board{display:none}.pc-entry{top:56px;right:8px;bottom:auto;left:auto;transform:none;width:min(191px,53vw);padding:6px;grid-template-columns:1fr;gap:5px;border-radius:12px}.pc-entry-kicker{font-size:8px}.pc-entry button{min-height:42px;padding:5px 7px!important;gap:1px}.pc-entry button b{font-size:10px}.pc-entry button small{font-size:8px}.pc-entry .pc-teacher-shortcut{min-height:35px}.pc-entry .pc-teacher-shortcut small{display:none}.pc-zone-detail{grid-template-columns:1fr;gap:8px}.pc-zone-visual{min-height:80px}.pc-zone-visual i{width:70px;height:70px}.pc-level-grid{gap:5px}.pc-level-grid button{min-height:85px;padding:8px!important}.pc-level-grid button b{font-size:14px}.pc-level-grid button small{font-size:9px}.pc-evidence-row{grid-template-columns:105px 1fr 54px}.pc-evidence-row small{grid-column:1/-1}.pc-teacher-overview{grid-template-columns:1fr}}
@media(max-width:390px){.pc-entry{width:min(169px,51vw)}.pc-entry-kicker{font-size:7px}.pc-entry button b{font-size:9px}.pc-entry button small{font-size:7px}.pc-zone-grid{gap:6px}.pc-zone-card{min-height:138px;padding:9px!important}.pc-zone-card strong{font-size:13px}.pc-zone-card small{font-size:9px}.pc-level-grid button span{font-size:9px}.pc-hall-progress{display:block}.pc-hall-progress span{display:block;margin-top:4px}}
@media(max-height:650px){.pc-entry{top:48px}.pc-entry button{min-height:35px}.pc-entry button small{display:none}}
@media(prefers-reduced-motion:reduce){.pc-entry button,.pc-zone-card{transition:none!important;transform:none!important}}
.pc-zone-visual{position:relative}
.pc-capstone-card{display:flex;align-items:center;gap:15px;width:100%;min-height:58px;margin-top:13px;padding:12px 15px!important;border:2px solid #bd8254!important;border-radius:14px!important;background:#f9e2bd!important;color:#352839!important;text-align:left}.pc-capstone-card b{font-size:15px}.pc-capstone-card small{flex:1;color:#594759;font-size:11px}.pc-capstone-card span{font-weight:900;font-size:11px}.pc-hall-challenge{display:grid;grid-template-columns:120px 1fr;gap:20px}.pc-crown{display:grid;place-items:center;border-radius:16px;background:linear-gradient(145deg,#f7cc78,#8e5c66);font-size:58px;color:#fff9dc}.pc-hall-challenge ul{margin:10px 0;padding-left:18px;line-height:1.6}.pc-hall-challenge button{margin:4px}
@media(max-width:800px){.pc-capstone-card{display:grid;gap:4px}.pc-hall-challenge{grid-template-columns:1fr}.pc-crown{min-height:65px}}