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/* MineQuest 1.1 – an illustrated expedition, with readable exercise surfaces. */
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.mine-expedition{--cart-width:142px;--scene-height:290px;margin:24px 0 32px;border-radius:21px;overflow:hidden;background:#152e38;color:#eef8f6;box-shadow:0 7px 0 #cddbdc,0 18px 40px #132c3212;border:1px solid #2b4851;isolation:isolate}
.mine-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:21px 27px 18px;background:linear-gradient(110deg,#203a42,#142b35)}.mine-heading .eyebrow{color:#f3c961;font-size:.72rem;letter-spacing:.16em}.mine-heading h2{margin:5px 0 0;font-size:1.45rem;letter-spacing:-.03em}.mine-count{white-space:nowrap;text-align:right}.mine-count strong{font-size:2.3rem;line-height:1;font-weight:800;letter-spacing:-.065em;color:#ffd264}.mine-count span{font-size:.9rem;color:#c4d5d8}.mine-scene{height:var(--scene-height);position:relative;overflow:hidden;background:#102731}.mine-backdrop{position:absolute;width:100%;height:100%;object-fit:fill;inset:0;opacity:.9}.mine-scene::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,#09232b60,transparent 34%,transparent 65%,#102731d9);z-index:1}.mine-origin,.mine-exit{position:absolute;z-index:3;font-size:.7rem;letter-spacing:.13em;font-weight:800;top:18px;padding:7px 10px;border-radius:5px;background:#122c35dc;border:1px solid #afbfac40;box-shadow:0 3px 12px #071c2366}.mine-origin{left:20px;color:#c1d1cd}.mine-exit{right:18px;color:#ffdc7d;border-color:#ebc47588;background:#3f412de8}.mine-exit span{font-size:.9rem;margin-left:7px}
.mine-route{position:absolute;left:3%;right:3%;bottom:17%;height:var(--cart-width);z-index:4}.mine-cart{position:absolute;bottom:0;width:var(--cart-width);height:var(--cart-width);filter:drop-shadow(0 6px 4px #050f1890);will-change:left}.cart-bounce{position:relative;width:100%;height:100%}.cart-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;z-index:2}.cart-cargo{position:absolute;left:17%;right:17%;height:35%;bottom:55%;z-index:3}.cargo-piece{position:absolute;display:block;aspect-ratio:1;background-image:url('mine/treasures.webp');background-size:200% 200%;background-repeat:no-repeat;filter:drop-shadow(0 1px 1px #0d262e99);transform-origin:center}.loot-gold{background-position:0 0}.loot-turquoise{background-position:100% 0}.loot-purple{background-position:0 100%}.loot-amber{background-position:100% 100%}.cart-shine{position:absolute;right:13%;top:3%;color:#fff0a9;opacity:0;font-size:1.3rem;z-index:4}.cart-number{position:absolute;top:96%;left:50%;transform:translateX(-50%);font-family:ui-monospace,monospace;font-size:.7rem;font-weight:700;letter-spacing:.02em;white-space:nowrap;border:1px solid #617776;padding:2px 8px;border-radius:20px;background:#17333a;color:#ffdf8e}
.mine-station-dots{position:absolute;bottom:11px;left:4%;right:4%;display:flex;justify-content:space-between;z-index:3}.mine-station-dots span{font-family:ui-monospace,monospace;font-size:.7rem;color:#a8c1c3;border:1px solid #77949377;background:#18323a;padding:1px 7px;border-radius:5px}.mine-station-dots span.is-cleared{color:#ffe198;border-color:#d8b552;background:#5c5432}.mine-inventory{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:11px 23px 4px;background:#18343d}.inventory-items{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.inventory-items>span{display:flex;align-items:center;gap:5px;font-size:.88rem;color:#d8e7e8}.inventory-items b{color:white}.treasure-icon{display:inline-block;flex-shrink:0;width:29px;height:29px;background-image:url('mine/treasures.webp');background-size:200% 200%;background-repeat:no-repeat}.mine-distance{font-size:.82rem;color:#c4d9d7}.mine-rule{font-size:.76rem;padding:3px 23px 12px;margin:0;background:#18343d;color:#a9c0c1;line-height:1.5}.mine-finished{border-color:#c6a34e;box-shadow:0 7px 0 #d6c591,0 14px 35px #cca75120}.mine-finished .mine-exit{box-shadow:0 0 25px #ffd27255}.mine-finished .cart-shine{opacity:1}.mine-compact{--cart-width:102px;--scene-height:150px;margin:0 0 26px;border-radius:16px}.mine-compact .mine-heading{padding:13px 19px}.mine-compact .mine-heading h2{font-size:1.05rem}.mine-compact .mine-count strong{font-size:1.6rem}.mine-compact .mine-count span{font-size:.78rem}.mine-compact .mine-origin,.mine-compact .mine-exit{top:8px;font-size:.6rem;padding:4px 7px}.mine-compact .mine-origin{left:12px}.mine-compact .mine-exit{right:12px}.mine-compact .mine-inventory{padding:7px 17px 2px}.mine-compact .mine-rule{padding:0 17px 9px}.mine-compact .treasure-icon{height:23px;width:23px}.mine-compact .mine-station-dots{bottom:6px}.mine-compact .mine-station-dots span{font-size:.6rem}.mine-compact .cart-number{font-size:.6rem;top:96%}.mine-compact .mine-route{bottom:19%}.mine-compact .mine-distance{font-size:.76rem}
.mine-dust{position:absolute;inset:0;z-index:2;pointer-events:none}.mine-dust i{position:absolute;width:3px;height:3px;background:#ffd379;border-radius:50%;opacity:.45;left:17%;top:38%}.mine-dust i:nth-child(2){left:36%;top:62%}.mine-dust i:nth-child(3){left:52%;top:31%}.mine-dust i:nth-child(4){left:71%;top:53%}.mine-dust i:nth-child(5){left:85%;top:26%}
@media(prefers-reduced-motion:no-preference){.mine-dust i{animation:mine-mote 8s ease-in-out infinite alternate}.mine-dust i:nth-child(even){animation-delay:-4s}.new-treasure .cart-bounce{animation:cart-rumble .18s 6}.new-treasure .cart-shine{animation:find-shine 1.5s ease-out}.cargo-piece.new-find{animation:find-fall .7s cubic-bezier(.2,.8,.3,1)}.mine-finished .mine-exit{animation:exit-glow 3s ease-in-out infinite alternate}@keyframes mine-mote{to{transform:translate(13px,-18px);opacity:.05}}@keyframes cart-rumble{50%{transform:translateY(-1.8px) rotate(.6deg)}}@keyframes find-shine{10%,60%{opacity:1;transform:scale(1.4)}100%{opacity:0;transform:scale(.6)}}@keyframes find-fall{0%{translate:0 -70px;opacity:0}30%{opacity:1}75%{translate:0 3px}100%{translate:0 0}}@keyframes exit-glow{to{box-shadow:0 0 38px #ffd27288}}}
@media(max-width:1180px){.mine-expedition{--scene-height:250px;--cart-width:126px}.mine-compact{--scene-height:140px;--cart-width:92px}.mine-heading{padding:18px 22px}.mine-heading h2{font-size:1.3rem}}
@media(max-width:800px){.sidebar{background:#15313a;padding:12px 16px}.navbtn.active{box-shadow:inset 0 -2px #ffd15d}.mine-expedition{--scene-height:240px;--cart-width:118px}.mine-compact{--scene-height:135px;--cart-width:88px}.mine-heading{padding:17px 19px}.mine-heading h2{font-size:1.25rem}.mine-count strong{font-size:2rem}.mine-inventory{padding:10px 16px 3px;flex-wrap:wrap}.mine-rule{padding-left:16px;padding-right:16px}.login-story{min-height:340px}.login-story::before{background-size:auto,cover;background-position:center,center}.login-story h1{font-size:2.4rem}.login-story .expedition{margin:12px 0 0}}
@media(max-width:480px){.mine-expedition{--scene-height:205px;--cart-width:96px;border-radius:16px;margin:18px 0 28px}.mine-heading{gap:9px;padding:15px}.mine-heading h2{font-size:1.05rem;line-height:1.25;max-width:190px}.mine-heading .eyebrow{font-size:.65rem}.mine-count strong{font-size:1.9rem}.mine-count span{display:block;font-size:.73rem}.mine-origin,.mine-exit{font-size:.59rem;padding:5px 7px;top:12px}.mine-origin{left:12px}.mine-exit{right:12px}.mine-route{left:2%;right:2%;bottom:19%}.mine-backdrop{object-fit:fill}.inventory-items{gap:12px}.inventory-items>span{font-size:.8rem}.mine-distance{font-size:.75rem}.mine-rule{font-size:.73rem}.mine-compact{--scene-height:135px;--cart-width:78px;margin:0 0 22px}.mine-compact .mine-heading{padding:10px 13px}.mine-compact .mine-heading h2{font-size:.94rem;max-width:185px}.mine-compact .mine-count span{font-size:.7rem}.mine-compact .inventory-items>span{font-size:.75rem}.mine-compact .mine-distance{width:100%}.mine-compact .mine-rule{font-size:.7rem}.mine-compact .mine-route{bottom:20%}.mine-compact .cart-number{font-size:.55rem}.chapter-card{min-height:190px}.login-story{min-height:300px}.login-story h1{font-size:2.15rem}}
@media(prefers-reduced-motion:reduce){.mine-cart{will-change:auto}.mine-dust{display:none}.new-treasure .cart-shine{opacity:1}}
.cart-cargo{bottom:69%;height:20%}.mine-expedition .mine-route{bottom:calc(24% - var(--cart-width) * .13)}.exercise>.mine-compact{margin-top:27px;margin-bottom:21px}.mine-compact .mine-station-dots{display:none}.mine-compact .mine-rule{font-size:.72rem}.mine-compact .mine-heading h2{font-size:1rem}

/* The exit ride: existing illustrated sprites, responsive controls and reduced motion. */
.exit-invitation{padding:25px;margin:0 0 30px;border:1px solid #b99b4d;border-radius:18px;background:linear-gradient(115deg,#fff5d1,#f8fcf5);box-shadow:0 5px 0 #d8dbca}.exit-invitation h2{margin:7px 0 10px}.exit-invitation .eyebrow{color:#756025}.exit-invitation p{max-width:65ch}.exit-invitation button{margin-top:5px}.escape-dialog{width:min(1080px,calc(100% - 32px));max-width:1080px;max-height:calc(100dvh - 32px);padding:0;border:1px solid #6b827f;border-radius:22px;background:#eef4f2;color:#193437;box-shadow:0 25px 100px #001c2bbb;overscroll-behavior:contain}.escape-dialog::backdrop{background:#041a24df;backdrop-filter:blur(5px)}.escape-header{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:23px 30px;background:#17343e;color:#f1f9f6;border-bottom:1px solid #466168}.escape-header h1{font-size:clamp(1.5rem,3vw,2.2rem);margin:4px 0 0;letter-spacing:-.04em}.escape-header .eyebrow{color:#e9c86c;margin:0}.escape-header-actions{display:flex;gap:8px;flex-wrap:wrap}.escape-header .ghost{color:#e3efeb;border-color:#6c8284;background:#223f47;font-size:.85rem}.escape-scene{height:305px;background:#102a33;position:relative;overflow:hidden;isolation:isolate}.escape-world{position:absolute;inset:0;background:url('mine/tunnel.webp') 0 center/cover no-repeat;opacity:.76;z-index:-2}.escape-scene::before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(#0a202c88,transparent 45%,#0a202c20 65%,#0a202cd9)}.escape-beams{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(100deg,transparent 0,transparent 230px,#090f1420 235px,#ffe3a306 239px,transparent 248px)}.escape-hud{position:absolute;top:18px;left:23px;right:23px;display:flex;align-items:center;justify-content:space-between;z-index:5}.escape-stop{font:750 .8rem ui-monospace,monospace;letter-spacing:.06em;color:#f6e5b0;background:#17343eef;border:1px solid #c9ad6255;padding:8px 13px;border-radius:8px}.escape-stop b{color:#ffda76;font-size:1.2rem}.escape-lives{display:flex;gap:7px;color:#ffb5a6;font-size:1.6rem;text-shadow:0 0 15px #ef886460;padding:0 12px;border-radius:9px;background:#17343eef}.heart-empty{color:#597078;text-shadow:none}.escape-exit{position:absolute;top:90px;right:5%;padding:7px 10px;border:1px solid #ceb968;background:#244237e8;color:#ffe09b;font-size:.62rem;letter-spacing:.09em;font-weight:800;border-radius:5px}.escape-rail{position:absolute;bottom:60px;left:0;right:0;height:18px;background:repeating-linear-gradient(90deg,transparent 0,transparent 15px,#826541 15px,#826541 24px,transparent 24px,transparent 41px);border-top:3px solid #b1bbad;border-bottom:4px solid #73878b;box-shadow:0 4px 0 #061924,0 -2px 0 #35494c}.escape-cart{position:absolute;left:70%;bottom:48px;width:145px;height:145px;z-index:4;filter:drop-shadow(0 4px 4px #001520)}.escape-cart img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;z-index:2}.escape-cargo{position:absolute;bottom:70%;left:23%;width:57%;height:25%;display:grid;grid-template-columns:repeat(4,1fr);gap:0;z-index:3}.escape-cargo i{background:url('mine/treasures.webp') 0 0/200% 200%;width:30px;height:30px;margin:-6px;transform:rotate(-12deg)}.escape-cargo i.gem{background-position:100% 0;transform:rotate(13deg)}.escape-signal{position:absolute;bottom:83px;left:90%;width:12px;height:57px;background:#76887f;z-index:2}.escape-signal span{display:block;width:27px;height:27px;position:absolute;top:-14px;left:-8px;background:#faaa6c;border:4px solid #1e353b;border-radius:100%;box-shadow:0 0 20px #fcbe6b80}.escape-signal small{position:absolute;font-size:.54rem;bottom:9px;left:-11px;color:#f2e3b9;padding:2px 5px;background:#26434b;border:1px solid #779082}.escape-scene-caption{position:absolute;bottom:0;left:0;right:0;min-height:39px;margin:0;padding:10px 24px;background:#17343eee;color:#e4efec;font-size:.83rem;z-index:8}.escape-route-progress{padding:11px 30px;background:#25454c;display:flex;align-items:center;gap:20px;color:#caddd8;font-size:.8rem}.escape-route-progress progress{flex:1;width:auto;height:6px;accent-color:#e9c469}.escape-route-progress progress::-webkit-progress-value{background:#e9c469}.escape-route-progress progress::-webkit-progress-bar{background:#425f62;border-radius:5px}.escape-panel{padding:28px 34px 34px}.escape-panel h2{font-size:1.5rem;max-width:34ch;margin:5px 0 15px}.escape-panel>.eyebrow{color:#637767}.escape-panel p{max-width:78ch}.escape-rules{display:grid;gap:10px;margin:20px 0;padding:18px 22px;border-left:4px solid #cfb05c;background:#e3eae4;border-radius:0 12px 12px 0}.escape-rules p{margin:0;font-size:.94rem}.escape-story{font-size:1.09rem;line-height:1.75;background:white;padding:22px 25px;border:1px solid #d1dfd9;border-radius:12px;box-shadow:0 3px 0 #dce6e0}.escape-tip{margin-bottom:24px;background:#fff3ce;border:1px solid #ddc583;padding:13px 18px;border-radius:10px}.escape-tip summary{cursor:pointer;font-weight:700}.escape-tip p{margin:12px 0 0}.escape-fields{display:grid;gap:13px}.escape-fields .field{margin:0;padding:15px 18px;background:#fff;border:1px solid #d6e0dc;border-radius:12px}.escape-fields label{font-size:1rem}.escape-fields label span{display:inline-grid;place-items:center;margin-right:7px;width:24px;height:24px;border-radius:6px;background:#e6eeeb;font-size:.8rem}.escape-fields input,.escape-fields select{font-size:1rem}.escape-form-note{margin:18px 0;color:#506663;font-size:.84rem}.escape-feedback-list{list-style:none;padding:0;display:grid;gap:10px;margin:20px 0}.escape-feedback-list li{display:grid;gap:4px;padding:15px 18px;background:#fff;border:1px solid #c5d9cb;border-left:4px solid #4a8968;border-radius:10px}.escape-feedback-list li.incorrect{border-color:#e3cdb3;border-left-color:#c88842;background:#fffaf0}.escape-feedback-list small{color:#526863}.escape-feedback-list span{font-size:.94rem}.escape-result{text-align:center}.escape-result h2,.escape-result p{margin-left:auto;margin-right:auto}.escape-reopened{list-style:none;padding:0;display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:20px 0}.escape-reopened li{background:#fff0c5;border:1px solid #dac080;border-radius:9px;padding:9px 14px;font-weight:600}.escape-result details{text-align:left;margin-bottom:22px}.escape-achievement{font:800 .82rem ui-monospace,monospace;letter-spacing:.13em;color:#6d5720}.escape-medal{font-size:3rem;background:#fce7a5;color:#806723;border:2px solid #c8ac5b;border-radius:50%;width:95px;height:95px;display:grid;place-items:center;margin:22px auto;box-shadow:0 0 0 8px #d9e4d9,0 0 40px #ffdc8066}.escape-controls [data-throttle]{touch-action:none;user-select:none;min-width:205px}.escape-controls [data-throttle][aria-pressed=true]{background:#eebc42;box-shadow:inset 0 3px 9px #694b2266;transform:translateY(2px)}.escape-branch{position:absolute;bottom:47px;left:65%;width:35%;height:15px;border-top:3px solid #a9aaa0;border-bottom:3px solid #677d80;transform:rotate(18deg);transform-origin:left center;opacity:.45}.escape-rocks{display:none;position:absolute;left:76%;bottom:75px;width:75px;height:60px;z-index:3}.escape-rocks i{position:absolute;width:35px;height:32px;background:#627b82;clip-path:polygon(15% 0,72% 4%,100% 50%,79% 96%,13% 86%,0 37%);box-shadow:inset 8px 8px #8d9d93}.escape-rocks i:nth-child(2){left:24px;top:18px;transform:rotate(29deg)}.escape-rocks i:nth-child(3){left:42px;top:-2px;transform:rotate(49deg)}.escape-pit{position:absolute;right:0;bottom:38px;width:18%;height:55px;background:#04151f;clip-path:polygon(12% 0,35% 16%,59% 0,100% 0,100% 100%,0 100%);opacity:0;z-index:2}.escape-impact{position:absolute;left:80%;bottom:75px;font-size:3.5rem;line-height:1;color:#ffe39c;opacity:0;z-index:6}.escape-particles{position:absolute;left:82%;bottom:66px;width:20px;height:20px;pointer-events:none;z-index:5;opacity:0}.escape-particles i{position:absolute;width:20px;height:20px;background:url('mine/treasures.webp') 0 0/200% 200%;--scatter-x:-110px;--scatter-y:-90px}.escape-particles i:nth-child(2n){background-position:100% 0;--scatter-x:15px;--scatter-y:-130px}.escape-particles i:nth-child(3n){--scatter-x:-210px;--scatter-y:-130px}.escape-particles i:nth-child(4n){--scatter-x:-70px;--scatter-y:-170px}.escape-particles i:nth-child(5n){--scatter-x:70px;--scatter-y:-160px}.escape-particles i:nth-child(7n){--scatter-x:-160px;--scatter-y:-65px}.is-crashing .escape-rocks,.is-falling .escape-rocks{display:block}.is-falling .escape-pit,.is-wrecked .escape-pit{opacity:1}.is-daylight .escape-world{opacity:1}.is-daylight .escape-signal span{background:#a6df9a;box-shadow:0 0 35px #b7f3a7}.is-daylight .escape-exit{background:#d8deb0;color:#284734;box-shadow:0 0 40px #fae9b480}.is-wrecked .escape-cart{opacity:.7;transform:translate(30px,80px) rotate(20deg)}
.escape-report{padding:18px 20px;background:#e9f1ed;border:1px solid #cbdcd1;border-radius:12px;margin:20px 0}.escape-report>summary{font-weight:700;cursor:pointer}.escape-report article{padding:15px 0;border-top:1px solid #ccd9cf}.escape-report article:first-of-type{margin-top:15px}.escape-report ol{padding-left:22px}.escape-report .escape-feedback-list{font-size:.9rem}.reopened-note{color:#895c25;background:#fff1cf;padding:8px 12px;border-radius:7px}
@media(prefers-reduced-motion:no-preference){.is-moving .escape-cart img{animation:ride-rumble .16s infinite}.is-moving .escape-cargo{animation:ride-rumble .18s infinite}.is-crashing .escape-cart{animation:wrong-rail 1.7s ease-in-out both}.is-crashing .escape-rocks{animation:rock-burst 1.7s ease-out both}.is-crashing .escape-impact{animation:impact-flash 1.7s both}.is-falling .escape-cart{animation:cart-fall 2.7s ease-in both}.is-falling .escape-impact{animation:fall-impact 2.7s both}.is-falling .escape-particles{animation:fall-impact 2.7s both}.is-falling .escape-particles i{animation:treasure-spill 2.7s ease-out both}.is-daylight .escape-medal{animation:exit-glow 3s alternate infinite}@keyframes ride-rumble{50%{translate:0 -1.5px;rotate:.4deg}}@keyframes wrong-rail{0%,100%{transform:translate(0,0)}23%{transform:translate(18px,9px) rotate(9deg)}33%{transform:translate(12px,12px) rotate(-9deg)}44%{transform:translate(22px,8px) rotate(8deg)}70%{transform:translate(-24px,-14px) rotate(-5deg)}}@keyframes rock-burst{0%,24%{transform:none;opacity:1}65%,100%{transform:translate(30px,-25px) rotate(28deg);opacity:0}}@keyframes impact-flash{0%,25%,48%,100%{opacity:0}30%{opacity:1;transform:scale(1.3)}}@keyframes cart-fall{0%{transform:translate(0,0)}24%{transform:translate(32px,8px) rotate(14deg)}62%{transform:translate(48px,117px) rotate(88deg)}69%{transform:translate(48px,107px) rotate(60deg)}100%{transform:translate(48px,145px) rotate(77deg);opacity:0}}@keyframes fall-impact{0%,59%{opacity:0}63%,80%{opacity:1}100%{opacity:0}}@keyframes treasure-spill{0%,60%{transform:none;opacity:0}65%{opacity:1}87%{transform:translate(var(--scatter-x),var(--scatter-y)) rotate(100deg);opacity:1}100%{transform:translate(var(--scatter-x),0) rotate(170deg);opacity:0}}}
@media(max-width:650px){.escape-dialog{width:calc(100% - 12px);max-height:calc(100dvh - 12px);border-radius:14px}.escape-header{padding:17px;gap:12px;align-items:flex-start}.escape-header h1{font-size:1.4rem;max-width:170px}.escape-header .eyebrow{font-size:.63rem}.escape-header-actions{flex-direction:column;gap:5px}.escape-header .ghost{font-size:.73rem;min-height:36px;padding:6px 10px}.escape-scene{height:235px}.escape-cart{width:96px;height:96px;bottom:47px;left:67%}.escape-cargo i{width:21px;height:21px;margin:-4px}.escape-cargo{height:23%}.escape-rail{bottom:55px}.escape-hud{top:12px;left:12px;right:12px}.escape-stop{font-size:.68rem;padding:5px 9px}.escape-lives{font-size:1.35rem;gap:5px;padding:0 9px}.escape-exit{top:70px;right:4%;font-size:.5rem;padding:5px}.escape-signal{left:93%;bottom:74px;height:43px}.escape-signal span{width:20px;height:20px;left:-4px}.escape-signal small{font-size:.43rem;left:-9px}.escape-scene-caption{font-size:.7rem;padding:7px 12px;min-height:37px}.escape-route-progress{padding:10px 16px;gap:12px;font-size:.72rem}.escape-panel{padding:23px 18px}.escape-panel h2{font-size:1.3rem}.escape-story{font-size:1rem;padding:15px 17px}.escape-fields .field{padding:13px}.escape-fields label{font-size:.94rem}.escape-rules{padding:13px 16px}.escape-controls .flex{display:grid;grid-template-columns:1fr 1fr;gap:9px}.escape-controls [data-throttle]{min-width:0;grid-column:1/-1;min-height:56px}.escape-controls button{font-size:.84rem}.escape-feedback-list li{padding:12px}.escape-rocks{left:78%;transform:scale(.7);bottom:63px}.escape-branch{bottom:45px}.exit-invitation{padding:21px}.escape-header .ghost:focus-visible{outline-offset:1px}}
@media(prefers-reduced-motion:reduce){.escape-beams{display:none}.escape-particles{display:none}.escape-cart,.escape-cart img{animation:none!important;transition:none!important}.is-crashing .escape-rocks{opacity:.4}}

.escape-header{position:sticky;top:0;z-index:20}

/* Continuous camera, one persistent scene and correctly occluded cargo. */
.fluid-game .escape-scene{height:300px}.fluid-game .escape-world{background-size:auto 100%;background-repeat:repeat-x;opacity:.75;will-change:background-position}.fluid-game .escape-beams{background:repeating-linear-gradient(90deg,transparent 0,transparent 235px,#091e2366 236px,#203c4299 244px,#dfc89a22 249px,transparent 254px);opacity:.75}.fluid-game .escape-depth{position:absolute;left:0;right:0;bottom:45px;height:30px;background:repeating-linear-gradient(110deg,transparent 0,transparent 72px,#283d43aa 75px,#45626788 83px,transparent 94px);pointer-events:none;opacity:.65}.fluid-game .escape-rail{background:repeating-linear-gradient(90deg,transparent 0,transparent 15px,#826541 15px,#826541 24px,transparent 24px,transparent 41px);will-change:background-position}.fluid-game .escape-cart{left:31%;bottom:42px;width:186px;height:186px;will-change:transform}.escape-cart-body{position:relative;width:100%;height:100%;transform-origin:50% 85%}.fluid-game .escape-cart .cart-base{z-index:1}.fluid-game .escape-cart .cart-front{z-index:4;clip-path:polygon(0 30%,100% 30%,100% 100%,0 100%)}.fluid-game .escape-cargo{display:block;position:absolute;left:14%;top:12%;bottom:auto;width:72%;height:23%;z-index:3;clip-path:polygon(0 100%,4% 66%,15% 36%,35% 12%,55% 0,78% 24%,95% 55%,100% 100%);overflow:hidden}.fluid-game .escape-cargo i{position:absolute;width:23%;height:auto;aspect-ratio:1;margin:0;background-size:200% 200%;filter:drop-shadow(0 1px 1px #39291870)}.escape-wheel{position:absolute;z-index:5;top:62.4%;width:25.5%;height:25.5%;border-radius:50%;background:url('mine/cart.webp') no-repeat;background-size:392.1569% 392.1569%;will-change:transform}.wheel-left{left:12.9%;background-position:17.3154% 83.7584%}.wheel-right{left:59.2%;background-position:79.4631% 83.7584%}.fluid-game .escape-signal{left:82%}.fluid-game .escape-exit{right:10%}.fluid-game .escape-rocks{left:46%;bottom:75px}.fluid-game .escape-impact{left:49%}.fluid-game .escape-branch{left:41%;width:59%;opacity:.36;transition:opacity .4s}.fluid-game .is-checkpoint .escape-branch{opacity:.85}.fluid-game .escape-pit{left:49%;right:auto;width:22%}.fluid-game .escape-particles{left:48%}.fluid-game .escape-route-progress{flex-wrap:wrap;gap:12px}.fluid-game .escape-route-progress>span{white-space:nowrap}.fluid-game .escape-route-progress progress{min-width:80px}.fluid-game [data-cruise]{padding:6px 12px;min-height:34px;font-size:.76rem;color:#eef6ee;border-color:#718681;background:#25434a}.fluid-game [data-cruise][aria-pressed=true]{background:#f3d486;color:#233936}.fluid-game .escape-result button{margin:6px}.fluid-game .is-rolling .escape-cart-body{filter:drop-shadow(0 2px 1px #061b2766)}
/* The front wall covers the lower part of the treasure pile in the overview too. */
.cart-bounce .cart-image{z-index:1}.cart-bounce .cart-front{position:absolute;inset:0;width:100%;height:100%;z-index:4;clip-path:polygon(0 30%,100% 30%,100% 100%,0 100%);pointer-events:none}.cart-cargo{left:14%;right:14%;bottom:auto;top:12%;height:23%;z-index:3;clip-path:polygon(0 100%,4% 66%,15% 36%,35% 12%,55% 0,78% 24%,95% 55%,100% 100%);overflow:hidden}.mine-station-dots{gap:3px}.mine-station-dots span{padding:1px 5px}
@media(max-width:650px){.fluid-game .escape-scene{height:230px}.fluid-game .escape-cart{width:130px;height:130px;left:26%;bottom:40px}.fluid-game .escape-hud{left:10px;right:10px;gap:8px}.fluid-game .escape-lives{font-size:1.16rem;gap:5px;padding:2px 8px}.fluid-game .escape-stop{font-size:.66rem;padding:6px 8px}.fluid-game .escape-stop b{font-size:1rem}.fluid-game .escape-exit{right:7%;top:67px}.fluid-game .escape-signal{left:85%}.fluid-game .escape-route-progress{padding:9px 12px;gap:8px}.fluid-game .escape-route-progress>span{font-size:.68rem}.fluid-game .escape-route-progress progress{min-width:40px}.fluid-game [data-cruise]{font-size:.65rem;padding:6px 8px;min-height:34px}.fluid-game .escape-scene-caption{padding:6px 12px;font-size:.7rem}.mine-station-dots span{font-size:.57rem;padding:1px 4px}}
@media(prefers-reduced-motion:reduce){.fluid-game .escape-world,.fluid-game .escape-rail,.fluid-game .escape-wheel,.fluid-game .escape-cart{will-change:auto}.fluid-game .escape-branch{transition:none}.fluid-game .escape-depth,.fluid-game .escape-beams{display:none}.fluid-game .escape-cart-body{transform:none!important}}
/* Keep the rolling scene visible while only the exercise panel scrolls. */
.fluid-game[open]{display:flex;flex-direction:column;height:min(900px,calc(100dvh - 32px));overflow:hidden}.fluid-game .escape-header{position:relative;flex-shrink:0}.fluid-game .escape-scene{flex:0 0 240px;height:240px}.fluid-game .escape-cart{width:164px;height:164px;bottom:40px}.fluid-game .escape-route-progress{flex-shrink:0}.fluid-game>[data-panel]{min-height:0;flex:1;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.fluid-game .escape-scene-caption{padding:8px 24px}.fluid-game .escape-panel{padding-top:22px}
@media(max-width:650px){.fluid-game[open]{height:calc(100dvh - 12px)}.fluid-game .escape-scene{flex-basis:200px;height:200px}.fluid-game .escape-cart{width:120px;height:120px;bottom:40px}.fluid-game .escape-scene-caption{padding:6px 12px}.fluid-game .escape-panel{padding-top:18px}}
@media(max-height:600px){.fluid-game .escape-header{padding:10px 16px}.fluid-game .escape-header h1{font-size:1.2rem}.fluid-game .escape-header .eyebrow{font-size:.6rem}.fluid-game .escape-header-actions{flex-direction:row}.fluid-game .escape-scene{flex-basis:130px;height:130px}.fluid-game .escape-cart{width:96px;height:96px;bottom:17px;left:40%}.fluid-game .escape-rail{bottom:30px}.fluid-game .escape-scene-caption{min-height:24px;font-size:.6rem;padding:4px 12px}.fluid-game .escape-hud{top:6px}.fluid-game .escape-stop{padding:3px 6px}.fluid-game .escape-lives{font-size:1rem}.fluid-game .escape-exit{top:48px}.fluid-game .escape-signal{bottom:40px;height:28px}.fluid-game .escape-route-progress{padding:5px 12px}.fluid-game .escape-panel{padding-top:14px}}
.fluid-game{--cruise-x:31%;--fall-x:210px}.fluid-game .escape-cart{left:var(--cruise-x)}
@media(max-width:650px){.fluid-game{--cruise-x:26%;--fall-x:70px}}
@media(max-height:600px){.fluid-game{--cruise-x:40%}}
@media(prefers-reduced-motion:no-preference){.fluid-game .is-falling .escape-cart{animation-name:fluid-cart-fall}.fluid-game .is-daylight .escape-cart{animation:fluid-exit 2.4s ease-in-out forwards}@keyframes fluid-cart-fall{0%{transform:translate(0,0)}24%{transform:translate(calc(var(--fall-x) * .65),8px) rotate(12deg)}62%{transform:translate(var(--fall-x),117px) rotate(82deg)}69%{transform:translate(var(--fall-x),107px) rotate(65deg)}100%{transform:translate(var(--fall-x),145px) rotate(77deg);opacity:0}}@keyframes fluid-exit{0%{left:var(--cruise-x);opacity:1}75%{opacity:1}100%{left:100%;opacity:0}}}

/* 1.4 · Stable touch/click controls, a continuous camera and the mine thief. */
#task-form .token:hover{transform:none}#task-form .token{touch-action:manipulation;user-select:none;-webkit-user-select:none}
#task-form .sort-zone{display:flex;flex-direction:column;align-items:flex-start;gap:10px;text-align:left;color:var(--ink);background:#edf5ef;min-height:110px;width:100%;cursor:pointer}
#task-form [data-drag][aria-pressed=true]{background:#ffcc54;color:#172a2b;outline:3px solid #386e77;outline-offset:3px}
#task-form [data-sorted]{font-weight:400}.student-pick{width:23px;height:23px;min-height:0;accent-color:#246b62;cursor:pointer}
.fluid-game .escape-world{background-image:url('mine/journey-wall.svg');background-size:1400px 100%;opacity:1}
.fluid-game .escape-beams{background:repeating-linear-gradient(90deg,transparent 0,transparent 395px,#101c22 396px,#775d3f 405px,#99714b 414px,#382e25 432px,transparent 435px);opacity:.72}
.fluid-game .escape-world:after{content:'';position:absolute;inset:0;background:var(--journey-tint,transparent);mix-blend-mode:screen;transition:background 4s}
.journey-landmarks{position:absolute;inset:0;overflow:hidden;pointer-events:none}.journey-object{position:absolute;left:0;bottom:75px;will-change:transform}
.journey-crystals{width:90px;height:87px}.journey-crystals:before,.journey-crystals:after{content:'';position:absolute;bottom:0;width:25px;height:66px;background:linear-gradient(100deg,#126170 0 32%,#69d1c6 33% 65%,#258994 66%);clip-path:polygon(50% 0,100% 22%,94% 90%,42% 100%,0 82%,0 25%);transform:rotate(-15deg);filter:drop-shadow(0 0 10px #69d1c6)}.journey-crystals:after{left:32px;height:87px;transform:rotate(17deg);background:linear-gradient(100deg,#655b90 0 32%,#c3b0ed 33% 65%,#9582c4 66%)}
.journey-sign{padding:8px 16px;background:#775437;color:#f6e3aa;border:3px solid #aa8757;box-shadow:0 3px 0 #251f20;transform-origin:center;font:800 13px ui-monospace,monospace;white-space:nowrap;bottom:150px}.journey-sign:after{content:'';position:absolute;top:100%;left:50%;width:8px;height:82px;background:#71533b}
.journey-barrel{width:49px;height:65px;border-radius:10px 10px 15px 15px;background:repeating-linear-gradient(0deg,transparent 0 13px,#1c3035 14px 20px,transparent 21px 40px),repeating-linear-gradient(90deg,#714b30 0 8px,#906748 9px 13px);border:3px solid #352d28;box-shadow:6px 3px 0 #061c2566}
.journey-lantern{width:21px;height:29px;top:54px;bottom:auto;border:4px solid #4c4135;border-radius:5px;background:#ffe0a0;box-shadow:0 0 45px 22px #e0ad4c29}.journey-lantern:before{content:'';position:absolute;bottom:100%;left:7px;width:2px;height:70px;background:#262f30}
.fluid-game .is-daylight .escape-world{background-position:inherit;opacity:1}.fluid-game .is-daylight:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 10%,#f8e6a4 100%);opacity:.85;pointer-events:none;animation:daylight-arrives 3s ease-out}
@keyframes daylight-arrives{from{transform:translateX(100%)}to{transform:translateX(0)}}
.thief-teacher{margin:25px 0;padding:26px;border:1px solid #c0d3cc;border-radius:18px;background:linear-gradient(115deg,#e4eeea,#fff8df);display:grid;grid-template-columns:1fr 1.25fr;gap:30px}.thief-teacher p{max-width:62ch}.thief-settings{display:grid;grid-template-columns:1fr 1fr;gap:14px}.thief-teacher button{margin:0 0 12px}.thief-teacher #thief-dispatch-status{font-weight:650;margin-bottom:0}
.thief-dialog{padding:0;border:1px solid #59766f;border-radius:22px;max-width:780px;width:calc(100% - 24px);max-height:94dvh;color:var(--ink);background:#f4f5ec;box-shadow:0 30px 100px #001c2780;overflow:auto}.thief-dialog::backdrop{background:#081c28b8;backdrop-filter:blur(4px)}.thief-header{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;gap:16px;background:#15333b;color:#edf5e9}.thief-header h2{font-size:1.25rem;margin:0}.thief-header p{color:#edc77a;margin-bottom:7px}.thief-header .ghost{color:#fff;border-color:#67867e;white-space:nowrap}
.thief-stage{height:250px;position:relative;overflow:hidden;background:#173642 url('mine/journey-wall.svg') center/auto 100%;isolation:isolate}.thief-notice{position:absolute;top:15px;left:50%;transform:translateX(-50%);padding:8px 17px;color:#fff2c1;background:#163139e8;border:1px solid #a1854e;border-radius:50px;z-index:5;font-size:.84rem;width:max-content;max-width:92%;text-align:center;animation:thief-notice-fade 6s both;pointer-events:none}
.thief-track{position:absolute;left:0;right:0;bottom:39px;height:16px;border-top:3px solid #9aa59a;border-bottom:3px solid #647b79;background:repeating-linear-gradient(90deg,#8c6943 0 8px,transparent 9px 31px)}.thief-wagon{position:absolute;width:180px;height:180px;left:62%;bottom:18px;transform:translateX(-10%)}.thief-wagon img{position:absolute;inset:0;width:100%;height:100%;z-index:1}.thief-loot{position:absolute;left:14%;top:12%;height:23%;width:72%;z-index:2;clip-path:polygon(0 100%,5% 55%,40% 0,72% 10%,100% 100%)}.thief-loot i,.stolen-loot i{position:absolute;width:30px;height:30px;background-image:url('mine/treasures.webp');background-size:200% 200%}.thief-wagon .thief-cart-front{z-index:3;clip-path:polygon(0 30%,100% 30%,100% 100%,0 100%)}
.sneaking-thief{position:absolute;bottom:48px;left:3%;width:108px;height:135px;padding:0;background:transparent;border:0;z-index:4;min-height:0;box-shadow:none;will-change:left,transform}.sneaking-thief:hover{transform:none;box-shadow:none}.sneaking-thief:disabled{opacity:1;cursor:default}.thief-figure{width:100%;height:100%;overflow:visible}.thief-leg{transform-box:fill-box;transform-origin:50% 10%}.thief-torso{transform-origin:60px 90px}.thief-arm{transform-origin:64px 64px}.is-sneaking .leg-front{animation:thief-step .75s ease-in-out infinite alternate}.is-sneaking .leg-back{animation:thief-step .75s ease-in-out -.75s infinite alternate-reverse}.is-sneaking .thief-torso{animation:thief-bob .75s ease-in-out infinite alternate}.is-sneaking .thief-arm{animation:thief-reach 1.5s ease-in-out infinite alternate}.thief-scene-label{position:absolute;bottom:4px;left:0;right:0;margin:0;text-align:center;font-size:.75rem;letter-spacing:.07em;color:#c3d5d0}.thief-panel{padding:24px 28px 28px}.thief-panel h3{font-size:1.45rem}.thief-panel details{margin:15px 0;padding:12px 15px;background:#fff1c7;border-radius:10px}.thief-panel details p{margin:10px 0 0}.thief-panel ul{padding-left:24px}.thief-panel label{font-size:1.12rem}.thief-panel .eyebrow{color:#5a776b}
.thief-flees .sneaking-thief{animation:thief-run 2s .15s ease-in both}.thief-steals .sneaking-thief{animation:thief-run 2.8s 1.3s ease-in both}.thief-flees .thief-leg,.thief-steals .thief-leg{animation:thief-step .17s infinite alternate}.thief-flees .leg-back,.thief-steals .leg-back{animation-direction:alternate-reverse}.stolen-loot{position:absolute;left:67%;bottom:150px;z-index:6}.stolen-loot i{opacity:0}.thief-steals .stolen-loot i{animation:thief-take 1.4s var(--loot-delay) ease-in both}
@keyframes thief-step{from{transform:rotate(-13deg)}to{transform:rotate(16deg)}}@keyframes thief-bob{from{transform:translateY(0) rotate(-3deg)}to{transform:translateY(-3px) rotate(2deg)}}@keyframes thief-reach{to{transform:rotate(-13deg)}}@keyframes thief-notice-fade{0%,65%{opacity:1}100%{opacity:0;visibility:hidden}}@keyframes thief-run{0%{transform:scaleX(-1) translateX(0)}100%{transform:scaleX(-1) translateX(700px)}}@keyframes thief-take{0%{opacity:1;transform:translate(0,0) rotate(0)}50%{opacity:1;transform:translate(-100px,calc(-45px - var(--loot-offset))) rotate(150deg)}100%{opacity:0;transform:translate(-150px,75px) rotate(270deg)}}
@media(max-width:650px){.thief-teacher{grid-template-columns:1fr;gap:12px;padding:20px}.thief-settings{grid-template-columns:1fr}.thief-header{padding:16px}.thief-header h2{font-size:1.05rem}.thief-header .eyebrow{font-size:.65rem}.thief-panel{padding:20px}.thief-stage{height:205px}.thief-wagon{width:140px;height:140px;left:62%;bottom:25px}.sneaking-thief{width:86px;height:107px;bottom:48px}.thief-notice{font-size:.74rem}.stolen-loot{bottom:132px}}
@media(prefers-reduced-motion:reduce){.thief-dialog *,.fluid-game .is-daylight:after{animation:none!important;transition:none!important}.thief-notice{display:none}.thief-flees .sneaking-thief,.thief-steals .sneaking-thief{opacity:0}}

/* 1.5: one painted scene and one geometry model for cart, sleepers and hazards. */
.cinematic-game .cinematic-scene{height:340px;flex:0 0 340px;background:#081820;overflow:hidden}
.cinematic-game .mine-game-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.cinematic-game .escape-hud{inset:16px 20px auto;z-index:2;pointer-events:none}
.cinematic-game .escape-stop{backdrop-filter:blur(8px);background:#142829df;border:1px solid #c4ac705c;box-shadow:0 5px 24px #0004;color:#ffe3a8}
.cinematic-game .escape-lives{backdrop-filter:blur(8px);background:#142829d9;box-shadow:0 5px 24px #0004}
.cinematic-game .escape-scene-caption{left:0;right:0;bottom:0;margin:0;padding:10px 20px;background:linear-gradient(transparent,#061720dd);color:#e4eee4;text-shadow:0 1px 4px #000;font-size:.8rem;z-index:2}
.cinematic-game .action-panel{min-height:190px;background:linear-gradient(130deg,#edf2e9,#fff9e3)}
.cinematic-game .action-panel h2{max-width:40ch}.cinematic-game .escape-panel h2:focus,.thief-panel h3:focus{outline:none}
.thief-stage{background-image:url('mine/journey.webp');background-position:center;background-size:auto 100%}
.thief-track{height:19px;border-top:2px solid #b2b4a0;border-bottom:2px solid #39484a;background:linear-gradient(0deg,transparent 0 10px,#6d7a78 10px 13px,#c3b69c 13px 15px,transparent 15px),repeating-linear-gradient(90deg,#a58153 0 4px,#624a32 4px 11px,transparent 11px 34px);box-shadow:0 4px 7px #0005}
.sneaking-thief{width:116px;height:170px;bottom:49px;overflow:visible;filter:drop-shadow(3px 4px 2px #08161c5c)}
.sneaking-thief canvas{display:block;width:100%;height:100%;pointer-events:none}
.thief-flees .sneaking-thief,.thief-steals .sneaking-thief{animation:none}
@media(max-width:650px){.cinematic-game .cinematic-scene{height:248px;flex-basis:248px}.cinematic-game .escape-hud{inset:12px 12px auto}.cinematic-game .escape-stop{font-size:.66rem;padding:7px 10px}.cinematic-game .escape-lives{font-size:1.05rem;gap:3px;padding:6px 8px}.cinematic-game .escape-scene-caption{font-size:.68rem;padding:8px 12px}.sneaking-thief{width:95px;height:139px;bottom:49px}}
@media(max-height:620px){.cinematic-game .cinematic-scene{height:180px;flex-basis:180px}.cinematic-game .escape-header{padding:8px 16px}.cinematic-game .escape-header h1{font-size:1.15rem}.cinematic-game .escape-header .eyebrow{display:none}}
.thief-track{height:20px;bottom:38px;border:0;background:repeating-linear-gradient(90deg,#a58153 0 4px,#624a32 4px 11px,transparent 11px 34px)}
.thief-track:before,.thief-track:after{content:'';position:absolute;left:0;right:0;height:5px;top:0;background:linear-gradient(#dfd3b5,#9aa597 25%,#394c4a 60%,#64716c)}.thief-track:after{top:10px;height:6px}
.thief-wagon{bottom:24.4px}.sneaking-thief{width:106px;bottom:46px}
@media(max-width:650px){.thief-wagon{bottom:29.7px}.sneaking-thief{width:87px;bottom:46px}}

/* Match the original painted rail texture used by the game canvas. */
.thief-track{height:38px;bottom:35.5px;border:0;background-image:url('mine/tunnel.webp');background-size:auto 404.255px;background-position:0 -297.532px;background-repeat:no-repeat;box-shadow:none}
.thief-track:before,.thief-track:after{display:none}

.cinematic-game .escape-result>button{margin:8px 8px 0 0}
/* Simple Past expedition: twenty individually lit stollen. */
.theme-amber{--stollen:#e5b260;--stollen-pos:0%}.theme-copper{--stollen:#da936b;--stollen-pos:5%}.theme-silver{--stollen:#c2dbe0;--stollen-pos:10%}.theme-emerald{--stollen:#55c39d;--stollen-pos:15%}.theme-ruby{--stollen:#d97786;--stollen-pos:20%}.theme-aqua{--stollen:#67c7d7;--stollen-pos:25%}.theme-ice{--stollen:#b8e4ef;--stollen-pos:30%}.theme-coal{--stollen:#a8aaa6;--stollen-pos:35%}.theme-amethyst{--stollen:#b391da;--stollen-pos:40%}.theme-signal{--stollen:#e9b557;--stollen-pos:45%}.theme-echo{--stollen:#9bacde;--stollen-pos:50%}.theme-map{--stollen:#d3bc82;--stollen-pos:55%}.theme-steel{--stollen:#85b3bd;--stollen-pos:60%}.theme-brass{--stollen:#d5b362;--stollen-pos:65%}.theme-basalt{--stollen:#a0a4c2;--stollen-pos:70%}.theme-fossil{--stollen:#c5b193;--stollen-pos:75%}.theme-parchment{--stollen:#d9c5a2;--stollen-pos:80%}.theme-rescue{--stollen:#d99873;--stollen-pos:85%}.theme-prism{--stollen:#8dd0c4;--stollen-pos:90%}.theme-gold{--stollen:#f2d278;--stollen-pos:100%}
.stollen-card{overflow:hidden;border-top:4px solid var(--stollen);position:relative}.stollen-card .stollen-art{height:128px;margin:12px -24px 18px;position:relative;overflow:hidden;background:#112834 url('mine/journey.webp') var(--stollen-pos) center/auto 180px;box-shadow:inset 0 -25px 25px #091b26aa}.stollen-art:after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,transparent 20%,var(--stollen));opacity:.22;mix-blend-mode:screen}.stollen-art span{position:absolute;left:22px;top:24px;display:grid;place-items:center;width:72px;height:72px;border:1px solid var(--stollen);border-radius:50%;color:var(--stollen);background:#0e2429db;font:38px Georgia,serif;box-shadow:0 0 35px #07141dcc,inset 0 0 20px #ffffff12;z-index:1}.stollen-art i{position:absolute;width:38px;height:42px;bottom:12px;right:23px;background:url('mine/gems.webp') 0 0/400% 200%;filter:drop-shadow(0 0 10px var(--stollen));transform:rotate(-12deg)}.stollen-art i:nth-of-type(2){right:57px;bottom:7px;transform:rotate(16deg);background-position:33.333% 0}.stollen-art i:nth-of-type(3){right:87px;bottom:18px;transform:scale(.8);background-position:66.666% 0}.art-water:before,.art-snow:before{content:'';position:absolute;inset:65% 0 0;background:linear-gradient(transparent,#80d7e999);border-top:1px solid #bcecff99}.art-coal i{filter:grayscale(1) brightness(.7)}.art-crate i{background-position:66.666% 0}.art-crystal i{background-position:100% 0}.art-flask i{background-position:66.666% 100%}.art-gate i{background-position:100% 100%}.art-fossil i{background-position:33.333% 100%}.art-snow i{background-position:100% 100%}.art-footprints i{background-position:33.333% 0}
.stollen-heading{position:relative;padding:28px;border-radius:20px;color:#eef5eb;background:linear-gradient(90deg,#102631f5,#102631b3),url('mine/journey.webp') var(--stollen-pos) center/cover;border-left:5px solid var(--stollen);overflow:hidden}.stollen-heading .eyebrow{color:var(--stollen)}.stollen-heading h1{max-width:80%}.stollen-emblem{position:absolute;right:25px;top:13px;font:68px Georgia,serif;color:var(--stollen);opacity:.85}.stollen-heading .task-tabs{margin-bottom:0;position:relative}.stollen-heading .task-dot{background:#f3f7ef;color:#213337}.stollen-heading .task-dot.active{background:var(--stollen);color:#172b2d}.stollen-heading .task-dot.done{background:#b7dfc8}.task-tabs{flex-wrap:wrap}.bonus-dot{border-style:dashed!important;border-color:#bb854d!important}.breakthroughs{display:grid;gap:10px;margin:18px 0}.breakthrough-banner{display:flex;align-items:center;gap:16px;background:#142d36c9;border:1px dashed #d5b27b;border-radius:14px;padding:14px;color:#ffe2a9}.breakthrough-banner p{margin:5px 0 0;font-size:.82rem;color:#d3e0d8}.breakthrough-arch{width:48px;height:58px;border:3px solid #b8a282;border-radius:55% 55% 5px 5px;display:grid;place-items:center;color:#eace8d;background:radial-gradient(ellipse at bottom,#335867,#040e18);box-shadow:0 0 18px #eab65b22;flex-shrink:0}.breakthrough-banner.is-repaired{border-color:#8dc4a1;color:#bde9c8}.course-note{padding:14px 18px;background:#e5efe8;border-radius:12px;font-size:.85rem;max-width:70ch}.archive-report{padding:18px;margin:18px 0;background:#f0e9db;border:1px solid #d9cbb1;border-radius:14px}.archive-report article{padding:16px;background:#ffffffb3;margin:10px 0}
.gem-collection{font-size:.8rem;margin-top:12px}.gem-collection>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:12px 0}.gem-collection span{display:flex;gap:6px;align-items:center}.gem-collection i{flex:0 0 25px}.mine-compact .gem-collection{display:none}.mine-station-dots{grid-template-columns:repeat(20,minmax(0,1fr))}.mine-station-dots span{font-size:.6rem;min-width:0}.expedition{flex-wrap:wrap}.expedition>span{flex-shrink:0}
[class*="loot-gem-"]{background-image:url('mine/gems.webp')!important;background-size:400% 200%!important}.loot-gem-0{background-position:0 0!important}.loot-gem-1{background-position:33.333% 0!important}.loot-gem-2{background-position:66.666% 0!important}.loot-gem-3{background-position:100% 0!important}.loot-gem-4{background-position:0 100%!important}.loot-gem-5{background-position:33.333% 100%!important}.loot-gem-6{background-position:66.666% 100%!important}.loot-gem-7{background-position:100% 100%!important}
.hazard-dialog{padding:0;border:1px solid #617e7d;border-radius:22px;width:calc(100% - 24px);max-width:900px;max-height:94dvh;overflow:hidden;background:#f0f4ed;color:#183034;box-shadow:0 30px 100px #001c2780}.hazard-dialog[open]{display:flex;flex-direction:column}.hazard-dialog::backdrop{background:#081c28c9;backdrop-filter:blur(5px)}.hazard-scene{height:260px;flex:0 0 260px;position:relative;background:#0a1d26;overflow:hidden}.hazard-scene canvas{width:100%;height:100%;display:block}.hazard-caption{position:absolute;left:0;bottom:0;right:0;margin:0;padding:12px 22px;color:#f3edc9;background:linear-gradient(transparent,#071923e8);font-size:.83rem}.hazard-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#dce8e2;padding:8px 20px;font-size:.75rem}.hazard-toolbar button{font-size:.75rem;min-height:34px;padding:6px 10px}.hazard-panel{padding:24px;overflow:auto;min-height:0}.hazard-panel h3{font-size:1.45rem}.hazard-panel details{padding:14px;background:#fff2ce;margin:16px 0;border-radius:12px}.hazard-panel p{white-space:pre-line}.hazard-panel form>button[type=submit]{margin:18px 0 8px}.hazard-panel [data-title]:focus{outline:none}.hazard-panel .vocab-card{gap:12px}.event-lesson{border:1px solid #decda2}.lesson p{white-space:pre-line}
@media(max-width:650px){.gem-collection>div{grid-template-columns:repeat(2,minmax(0,1fr))}.mine-station-dots{display:none}.stollen-heading{padding:20px}.stollen-emblem{font-size:45px;right:16px}.hazard-scene{height:190px;flex-basis:190px}.hazard-caption{font-size:.72rem;padding:9px 14px}.hazard-panel{padding:18px}.hazard-toolbar{padding:7px 12px}.hazard-dialog .thief-header{flex-shrink:0}.stollen-heading h1{font-size:1.8rem}.chapter-card .stollen-art{margin-left:-20px;margin-right:-20px}}
@media(max-height:620px){.hazard-scene{height:145px;flex-basis:145px}.hazard-dialog .thief-header{padding:8px 16px}.hazard-dialog .thief-header .eyebrow{display:none}.hazard-toolbar span{display:none}}
@media(prefers-reduced-motion:no-preference){.stollen-art i{animation:crystal-glint 5s ease-in-out infinite alternate}.stollen-art i:nth-of-type(2){animation-delay:-2s}@keyframes crystal-glint{to{filter:drop-shadow(0 0 16px var(--stollen)) brightness(1.2)}}}

.chapter-card.stollen-card{border-top:4px solid var(--stollen)}.mine-expedition>.gem-collection{margin:12px 24px 18px}

/* MineQuest 2.1 — entrance, identity and expedition office */
.brand-logo{display:block;width:48px;height:48px;flex-shrink:0;filter:drop-shadow(0 4px 10px #02131720)}
.brand>span{line-height:1.05}.brand small{display:block;font-size:.66rem;letter-spacing:.07em;font-weight:500;margin-top:8px;color:#adc9c8}
.entrance{background:#102a33;grid-template-columns:minmax(0,1.15fr) minmax(390px,.85fr);min-height:100dvh}
.entrance .login-story{padding:38px clamp(28px,4.5vw,76px) 30px;gap:28px;min-height:760px;background:radial-gradient(ellipse at 90% 0,#30514e88,transparent 56%),#102a33;justify-content:space-between}
.entrance .login-story::before{background:radial-gradient(ellipse at 0 100%,#17444a99,transparent 60%);opacity:1}
.entrance .brand{font-size:1.5rem;gap:13px}.entrance .brand-logo{width:57px;height:57px}
.entrance-copy{position:relative;z-index:1}.entrance-copy .eyebrow{display:flex;align-items:center;gap:10px;color:#e6c888;margin-bottom:20px;font-size:.7rem}
.live-spark{width:6px;height:6px;background:#99e7ca;box-shadow:0 0 0 5px #99e7ca12,0 0 18px #99e7ca;border-radius:50%;animation:entrance-light 3s ease-in-out infinite}
.entrance .login-story h1{font-size:clamp(2.8rem,4.45vw,5rem);line-height:1.06;margin:0 0 22px;max-width:740px;letter-spacing:-.06em;text-shadow:none}
.entrance .login-story h1 em{font-family:Georgia,serif;font-weight:400;font-style:italic;color:#f5d68c;letter-spacing:-.065em}
.entrance-description{font-size:1.05rem;color:#bfd1d2;line-height:1.7;max-width:430px;margin:0}
.entrance-mine{position:relative;margin:0 -24px;border:1px solid #d6c29335;border-radius:24px;overflow:hidden;background:#132d34 url('mine/journey.webp') center/cover;box-shadow:0 24px 60px #0003;isolation:isolate;min-height:275px}
.entrance-mine canvas{display:block;width:100%;height:275px;opacity:0;transition:opacity .8s}.entrance-mine.scene-ready canvas{opacity:1}
.entrance-scene-caption{position:absolute;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 17px;background:linear-gradient(transparent,#081b25ed);font-size:.65rem;color:#dae6df}
.entrance-scene-caption span{display:flex;align-items:center;gap:7px}.entrance-scene-caption i{width:5px;height:5px;border-radius:50%;background:#f3ca70}
.entrance-scene-caption button{padding:5px 8px;min-height:32px;font-size:.65rem;background:#102a33b3;border:1px solid #b4cecb55;color:#eef5f1;border-radius:7px;white-space:nowrap}
.entrance-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:5px;color:#abc8c8;font-size:.73rem}.entrance-facts span+span{border-left:1px solid #5c7a7c55;padding-left:22px}.entrance-facts b{display:block;font-size:1.55rem;color:#e5d6af;font-weight:550;line-height:1.25;margin-bottom:3px;font-variant-numeric:tabular-nums}
.entrance .login-form{background:radial-gradient(ellipse at 100% 0,#e4eee8,transparent 55%),#f7f7ef;padding:42px clamp(28px,4vw,68px);position:relative}
.entrance .login-card{max-width:430px}.entrance-ticket{display:flex;align-items:center;gap:35px;text-transform:uppercase;letter-spacing:.12em;font-size:.66rem;font-weight:750;color:#62776c;margin-bottom:28px}.entrance-ticket>span{font-size:1.2rem;color:#327963}
.entrance .login-title{font-size:clamp(2rem,3vw,3.2rem);line-height:1.12;letter-spacing:-.055em;margin:0 0 16px;color:#18383b}.entrance .login-card>p.muted{font-size:.94rem;line-height:1.6}
.entrance .tabs{background:#e7ece5;border:1px solid #d7e0d6;padding:5px;margin:26px 0}.entrance .tabs button{font-size:.88rem;min-height:45px}.entrance .tabs button.active{background:#fffefa;box-shadow:0 3px 9px #263a2710}
.entrance input{background:#fffefa;border-color:#c8d3c9;min-height:55px;border-radius:12px}.entrance .field label{font-size:.83rem;color:#34504b}
.entrance-submit{min-height:54px!important;background:linear-gradient(110deg,#f4d185,#ffde92);display:flex;align-items:center;justify-content:space-between;padding:13px 19px;box-shadow:0 7px 18px #ae7b1620;border:1px solid #e4bd71}
.entrance-save{display:flex;align-items:flex-start;gap:12px;margin:25px 0 0;padding:16px 0;border-top:1px solid #d5dfd6;border-bottom:1px solid #d5dfd6}.entrance-save>span{display:grid;place-items:center;background:#e1ece1;border:1px solid #c7dbce;width:28px;height:28px;border-radius:50%;color:#3c7863;flex-shrink:0;font-size:.8rem}.entrance-save p{margin:0;color:#6a7b70;font-size:.75rem;line-height:1.6}.entrance-save b{color:#33594e;font-weight:650}
.entrance .login-footer{margin-top:22px;padding-top:0;border:0}.teacher-entry{display:flex;width:100%;align-items:center;gap:13px;background:#eef0e8;border:1px solid #d6dfd2;padding:14px;color:#29463f;text-align:left;box-shadow:none}.teacher-entry>span:last-child{margin-left:auto;font-size:1.1rem}.teacher-entry b{font-size:.82rem;display:block}.teacher-entry small{font-size:.72rem;font-weight:450;color:#6a7b70;display:block;margin-top:2px}.teacher-key{display:grid;place-items:center;background:#dce6d9;border:1px solid #c7d6c8;width:34px;height:34px;border-radius:9px;font-size:1.2rem}
.entrance-links{display:flex;justify-content:space-between;gap:10px;margin-top:12px}.entrance-links .linkbtn{font-size:.68rem;padding:7px 0;text-decoration:none;color:#65796e}.entrance-links .linkbtn:hover{text-decoration:underline}
.teacher-login-intro{display:flex;gap:20px;align-items:center;background:linear-gradient(120deg,#15363d,#224842);color:#d5e9e1;border:1px solid #617967;border-radius:17px;padding:23px;margin:0 0 24px}.teacher-login-intro img{flex-shrink:0}.teacher-login-intro p{font-size:.94rem;margin:0}.teacher-login-intro .eyebrow{font-size:.65rem;color:#f2d799;margin-bottom:10px}.teacher-login-note{font-size:.79rem;line-height:1.6;color:#65796e;margin:18px 0 0}#teacher-form input{margin:5px 0 15px}#teacher-form .yellow{min-height:52px;background:#f3d38b}
.teacher-page{max-width:1320px;padding:28px 38px 80px}.teacher-page>.topbar{padding-bottom:22px;margin-bottom:24px;border-color:#d5e0db;gap:20px}.teacher-page .topbar .brand{font-size:1.4rem}.teacher-page .topbar .brand-logo{width:46px;height:46px}.teacher-page .topbar .badge{font-size:.68rem;background:#e1eae1;color:#4a695b;font-weight:600;letter-spacing:.02em}.teacher-page .topbar button{font-size:.77rem;background:#fff9;min-height:40px;border-color:#cddad4}.teacher-page .topbar .linkbtn{text-decoration:none}
.teacher-hero{display:flex;align-items:center;justify-content:space-between;gap:30px;isolation:isolate;position:relative;overflow:hidden;border-radius:24px;background:#122e37;color:#fff;padding:40px 44px;min-height:255px;box-shadow:0 15px 35px #1a333514}
.teacher-hero::before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(95deg,#122e37 10%,#122e37e8 45%,#122e3744),url('mine/journey.webp') 100% 55%/auto 145%;opacity:.9}.teacher-hero .eyebrow{color:#e7c98c;font-size:.68rem;margin-bottom:17px}.teacher-hero h1{font-size:clamp(2rem,3.4vw,3.2rem);margin-bottom:18px;line-height:1.12}.teacher-hero p:last-child{max-width:540px;color:#bbd2cf;font-size:.92rem;margin-bottom:0;line-height:1.7}.teacher-hero-seal{display:grid;justify-items:center;gap:17px;padding:10px 20px;flex-shrink:0}.teacher-hero-seal .brand-logo{width:125px;height:125px;filter:drop-shadow(0 10px 24px #0006)}.teacher-hero-seal span{font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:#e0cfaa}
.teacher-page .stat-grid{gap:16px;margin:22px 0 30px}.teacher-page .stat{display:flex;gap:19px;align-items:center;background:#fffef8;padding:23px;border-color:#d5dfd5;border-radius:17px;color:#617266;font-size:.77rem}.teacher-page .stat strong{font-size:2.1rem;line-height:1.15;color:#23493f;font-weight:600;margin-bottom:5px}.stat-icon{width:48px;height:48px;display:grid;place-items:center;font-size:1.7rem;color:#ac853e;border:1px solid #e5d8b6;background:#fbf0d8;border-radius:14px;flex-shrink:0}
.teacher-roster{background:#fffefa;padding:28px;border:1px solid #d4dfd6;border-radius:22px;margin-top:30px;box-shadow:0 12px 30px #133c2510}.roster-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.roster-heading .eyebrow{font-size:.63rem;color:#738570;margin-bottom:8px}.roster-heading h2{font-size:1.8rem;margin:0}.teacher-roster>label{font-size:.8rem}.teacher-roster>input{max-width:460px;background:#f5f7ef;border-color:#d1dece}.teacher-roster>p{margin:14px 0;color:#7b887c;font-size:.72rem}.teacher-roster .table-wrap{border-color:#dae3d8;border-radius:14px}.students th{background:#eff3ea;color:#536c58;font-size:.71rem;text-transform:uppercase;letter-spacing:.05em}.students td{font-size:.83rem}.students td:first-child{width:64px}.students tr:hover{background:#f8faf2}.students td:nth-child(2) button b{color:#294b3d}.students button.danger{padding:6px 10px;background:#fcf0e9;color:#9b5241;border:1px solid #edd7ce;border-radius:8px;font-size:.72rem}.students progress{height:5px;margin-top:7px}.student-detail{background:#f9fbf7;border:1px solid #d5e1d6;padding:28px;border-radius:22px}.student-detail>.between{padding-bottom:22px;border-bottom:1px solid #d3e0d3;margin-bottom:22px}.student-detail .chapter-report{box-shadow:none;border-color:#d3e1d3}.student-detail .eyebrow{color:#738570}
@keyframes entrance-light{50%{opacity:.6;box-shadow:0 0 0 7px #99e7ca08,0 0 8px #99e7ca88}}
@media(min-width:1600px){.entrance .login-story{padding-top:55px;padding-bottom:50px}.entrance-mine canvas{height:330px}.entrance-mine{min-height:330px}}
@media(max-width:1000px){.entrance .login-story{padding:32px 28px;gap:28px}.entrance .login-story h1{font-size:3.1rem}.entrance .login-form{padding:34px 27px}.entrance-mine{margin:0 -12px}.entrance-facts{gap:10px;font-size:.65rem}.entrance-facts span+span{padding-left:12px}.entrance-scene-caption{flex-wrap:wrap}.teacher-hero{padding:30px}.teacher-hero-seal{padding:0}.teacher-hero-seal span{display:none}.teacher-page .stat{padding:18px;gap:10px}.stat-icon{width:34px;height:34px;font-size:1.2rem}}
@media(max-width:800px){.entrance{grid-template-columns:1fr}.entrance .login-story{min-height:0;padding:26px 26px 24px;gap:25px}.entrance .login-story .brand{margin:0}.entrance .login-story h1{font-size:clamp(2.5rem,7vw,3.5rem);margin-bottom:15px}.entrance-copy .eyebrow{margin-bottom:15px}.entrance-description{font-size:.93rem;max-width:520px}.entrance-mine{margin:0;min-height:230px}.entrance-mine canvas{height:230px}.entrance .login-form{padding:36px 26px 30px}.entrance .login-card{max-width:520px}.entrance .login-title{font-size:2.4rem}.entrance-facts{font-size:.7rem}.entrance .brand-logo{width:48px;height:48px}.entrance-ticket{margin-bottom:20px}.teacher-page{padding:20px 18px 50px}.teacher-page>.topbar{flex-wrap:wrap}.teacher-page>.topbar>.flex{width:100%;gap:8px}.teacher-hero{padding:28px}.teacher-hero-seal .brand-logo{width:80px;height:80px}.teacher-page .stat-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.teacher-page .stat{display:block;padding:16px;font-size:.68rem}.teacher-page .stat-icon{margin-bottom:12px}.teacher-page .stat strong{display:block;font-size:1.7rem}.teacher-roster,.student-detail{padding:19px}.roster-heading h2{font-size:1.5rem}}
@media(max-width:480px){.entrance .login-story{padding:24px 19px;gap:25px}.entrance .login-story h1{font-size:2.6rem}.entrance-copy .eyebrow{font-size:.59rem;letter-spacing:.12em}.entrance .brand{font-size:1.4rem}.entrance .brand small{font-size:.57rem}.entrance-mine{min-height:210px;border-radius:18px}.entrance-mine canvas{height:210px}.entrance-scene-caption{padding:12px;font-size:.57rem;gap:5px}.entrance-scene-caption button{font-size:.57rem}.entrance-facts{font-size:.61rem;gap:9px}.entrance-facts b{font-size:1.5rem}.entrance .login-form{padding:32px 22px}.entrance .login-title{font-size:2.25rem}.entrance-links{gap:12px}.entrance-links .linkbtn{font-size:.63rem}.teacher-hero{padding:25px 22px}.teacher-hero h1{font-size:2rem}.teacher-hero-seal{display:none}.teacher-page .stat-grid{grid-template-columns:1fr}.teacher-page .stat{display:flex;align-items:center;gap:16px}.teacher-page .stat-icon{margin:0;width:43px;height:43px}.teacher-page .stat strong{font-size:1.7rem;margin:0 0 3px}.teacher-page .stat{font-size:.76rem}.roster-heading{align-items:start;gap:8px}.roster-heading .badge{font-size:.65rem;white-space:nowrap}.teacher-login-intro{padding:16px;gap:14px}.teacher-login-intro img{width:50px;height:50px}.teacher-login-intro p{font-size:.82rem}.teacher-page .topbar .brand{font-size:1.2rem}}
@media(prefers-reduced-motion:reduce){.live-spark{animation:none}.entrance-mine canvas{transition:none}}
.teacher-page .thief-teacher{border-radius:22px;border-color:#cddccc;background:linear-gradient(125deg,#e7eee1,#f8f1dd);padding:30px;gap:40px}.teacher-page .thief-teacher h2{font-size:1.7rem;letter-spacing:-.035em;color:#28483a}.teacher-page .thief-teacher .eyebrow{font-size:.62rem;color:#7c795b}.teacher-page .thief-teacher>div>p:last-child{font-size:.87rem;line-height:1.8;color:#63745f}.teacher-page .thief-teacher label{font-size:.76rem;color:#415f47}.teacher-page .thief-teacher select{font-size:.83rem;background:#fffdf6;border-color:#c6d5bf}.teacher-page .thief-teacher form>p.small{font-size:.72rem;color:#6e7c62}.teacher-page .thief-teacher .yellow{background:#eac980;border-color:#d8b774}.teacher-page .thief-teacher #thief-dispatch-status{color:#355f48}
@media(max-width:650px){.teacher-page .thief-teacher{padding:23px;gap:16px}}
@media(max-width:800px){.mobile-brand{display:flex;align-items:center;gap:9px}.mobile-brand .brand-logo{width:33px;height:33px}}
/* Expedition passes, level selection and permanent journey logbooks. */
.journey-launch,.journey-journal{margin:28px 0 38px}.journey-launch>p{max-width:780px}.level-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:26px 0}.level-card{text-align:left;display:flex;flex-direction:column;align-items:flex-start;white-space:normal;border:1px solid #526d67;border-radius:22px;padding:27px;background:linear-gradient(135deg,#163b38,#112b30);color:#f5f1df;box-shadow:0 12px 35px #071c2025;transition:transform .2s,border-color .2s}.level-card:hover{transform:translateY(-4px);border-color:#edc46c}.level-card h3{font-size:1.4rem;color:#fff2c7;margin:12px 0}.level-card p{color:#d0e1da;font-weight:400;line-height:1.65;flex:1}.level-card small{color:#c1d4cd;line-height:1.8}.level-card strong{margin-top:22px;color:#f9d889}.level-icon{font-size:2rem;color:#f8ce75}.level-guided{background:linear-gradient(140deg,#254f47,#163a40);border-color:#89ac94}.level-hard{background:linear-gradient(140deg,#35334c,#1b2c35)}.journal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.journal-card{position:relative;text-align:left;white-space:normal;padding:28px;border-radius:8px 24px 24px 8px;border:1px solid #d2ba81;border-left:7px solid #31554b;background:linear-gradient(110deg,#faf3df,#e9dfbf);color:#29443e}.journal-card small{font-size:.66rem;letter-spacing:.09em}.journal-card h3{margin:22px 0 8px}.journal-card p{font-size:.9rem}.journal-card>span:last-child{font-size:.84rem}.journal-stamp{position:absolute;right:18px;top:40px;color:#9c7734;font-size:2rem;transform:rotate(-12deg)}.guided-card{background:#fff6d8;border:2px solid #d6b359;border-radius:16px;padding:22px;margin:20px 0;color:#293c32;box-shadow:0 5px 22px #98732312}.guided-card p{line-height:1.8}.guided-card .eyebrow{color:#6f571e}.guided-card h3{color:#234338}.guided-card+form[inert]{opacity:.35;filter:grayscale(.7)}.recap-cover{text-align:center;padding:30px 24px;border-radius:18px;background:radial-gradient(ellipse at top,#4c6650,#193637 70%);color:#f7efcf}.recap-cover>span{font-size:3rem;color:#efcc75}.recap-cover h2{color:#fff4ce}.recap-cover .eyebrow{color:#e7c886}.recap-chapter{margin:14px 0}.recap-task{padding:18px 0;border-bottom:1px solid #d8ded5}.recap-task dt{font-weight:650;margin-top:14px}.recap-task dd{margin:6px 0 12px;line-height:1.7}.recap-task pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;background:#edf0e7;padding:15px;border-radius:10px}.journey-recap{overflow-wrap:anywhere}.journey-recap dl{margin:0}.journey-journal .between{gap:12px}.escape-lives{flex-wrap:wrap;max-width:250px}
@media(max-width:640px){.level-grid{grid-template-columns:1fr;gap:14px}.level-card{padding:23px}.journal-grid{grid-template-columns:1fr}.guided-card{padding:16px}.escape-lives{max-width:140px;gap:3px}}
@media(prefers-reduced-motion:reduce){.level-card{transition:none}.level-card:hover{transform:none}}
/* 3.1: an expedition pass for every learner. */
.expedition-entrance{grid-template-columns:minmax(0,1.12fr) minmax(400px,.88fr)}
.expedition-entrance .login-story{padding:34px clamp(28px,4.4vw,76px) 30px;gap:25px;justify-content:flex-start;background:radial-gradient(ellipse at 60% 0,#38605a70,transparent 52%),#102a33}
.entrance-brandbar{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:18px}.entrance-jump{color:#d6e5dc;font-size:.72rem;text-decoration:none;white-space:nowrap;border-bottom:1px solid #829d874d;padding:10px 0}.entrance-jump span{color:#f4d18a;margin-left:5px}
.expedition-entrance .entrance-copy{margin-top:6px}.expedition-entrance .login-story h1{font-size:clamp(3rem,4.7vw,4.8rem);margin-bottom:17px}.expedition-entrance .entrance-copy .eyebrow{margin-bottom:15px}.expedition-entrance .entrance-description{max-width:500px;font-size:.96rem;line-height:1.7}
.expedition-entrance .entrance-mine{margin:0 -16px;min-height:255px;border-radius:22px}.expedition-entrance .entrance-mine canvas{height:255px}
.entrance-route-label{position:absolute;top:17px;left:20px;right:20px;display:flex;align-items:center;gap:12px;font-size:.6rem;text-transform:uppercase;letter-spacing:.13em;color:#f5e0aa;pointer-events:none}.entrance-route-label span{padding:5px 8px;background:#10252bbf;border:1px solid #dcc58644;border-radius:5px;white-space:nowrap}.entrance-route-label i{height:1px;flex:1;background:linear-gradient(90deg,#dabd7155,transparent 85%)}
.entrance-levels{position:relative;z-index:1}.entrance-level-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:13px}.entrance-level-heading h2{font-size:1rem;letter-spacing:-.025em;margin:0;color:#edf1e2}.entrance-level-heading>span{font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:#96b5ac}.entrance-level-buttons{display:flex;gap:7px;flex-wrap:wrap}.entrance-level-buttons button{min-height:39px;border-radius:9px;padding:8px 11px;font-size:.72rem;background:#ffffff06;border:1px solid #7e9e935c;color:#d0dfd7;box-shadow:none}.entrance-level-buttons button span{color:#e5c583;margin-right:3px}.entrance-level-buttons button:hover{background:#ffffff12}.entrance-level-buttons button[aria-pressed=true]{background:#f3d390;color:#153a36;border-color:#f3d390}.entrance-level-buttons button[aria-pressed=true] span{color:#45644d}.entrance-level-buttons button:focus-visible,.entrance-jump:focus-visible{outline-color:#f3d390}
.entrance-level-detail{min-height:110px;margin-top:14px;padding:14px 16px;border:1px solid #819b8450;border-radius:13px;background:linear-gradient(120deg,#24473f99,#18343ba6);color:#d0e0d7}.entrance-level-detail p{font-size:.81rem;line-height:1.6;margin:0 0 7px}.entrance-level-detail>span{font-size:.68rem;color:#ead29d}.entrance-level-detail i{font-style:normal;padding:0 7px;color:#849a81}.entrance-level-note{font-size:.63rem;margin:9px 0 0;color:#a9c1b7}.expedition-entrance .entrance-facts{margin-top:auto;padding-top:6px;font-size:.66rem}.expedition-entrance .entrance-facts b{font-size:1.6rem}
.expedition-entrance .login-form{padding:40px clamp(27px,3.6vw,65px);background:radial-gradient(ellipse at 100% 0,#dae8dd88,transparent 58%),#f7f6ee}.expedition-entrance .login-card{max-width:440px}.expedition-entrance .entrance-ticket{gap:10px;font-size:.62rem;letter-spacing:.13em;margin-bottom:20px}.ticket-notch{font-size:1rem!important;color:#967b41!important}.expedition-entrance .login-title{font-size:clamp(2.15rem,3vw,3.15rem);margin-bottom:13px}.expedition-entrance .login-title em{font-family:Georgia,serif;font-weight:400;color:#55715a}.expedition-entrance .login-card>p.muted{font-size:.86rem;margin-bottom:20px}.expedition-entrance .tabs{margin:21px 0}.expedition-entrance .entrance-submit{font-size:.9rem;gap:10px}.entrance-code-note{font-size:.7rem;line-height:1.6;color:#6a7b70;margin:0 0 25px}
.entrance-itinerary{position:relative;display:grid;gap:17px;margin:0 0 23px}.entrance-itinerary:before{content:'';position:absolute;top:13px;bottom:22px;left:14px;width:1px;background:#cbd4bc}.entrance-itinerary>div{display:flex;gap:13px;position:relative}.entrance-itinerary>div>span{display:grid;place-items:center;width:29px;height:29px;border:1px solid #c9d2bd;border-radius:50%;background:#f2f2e7;flex-shrink:0;font-family:Georgia,serif;font-size:.72rem;color:#65816c}.entrance-itinerary p{font-size:.72rem;line-height:1.6;color:#6a7b70;margin:0}.entrance-itinerary b{display:block;color:#38564b;font-size:.8rem;margin-bottom:2px}.expedition-entrance .entrance-save{margin:0;padding:13px 0}.expedition-entrance .login-footer{margin-top:18px}
@media(min-width:1600px){.expedition-entrance .login-story{padding-top:45px;padding-bottom:40px;gap:30px}.expedition-entrance .entrance-mine,.expedition-entrance .entrance-mine canvas{min-height:300px;height:300px}}
@media(max-width:1050px) and (min-width:801px){.expedition-entrance{grid-template-columns:minmax(0,1fr) minmax(370px,.9fr)}.expedition-entrance .login-story{padding:30px 25px}.entrance-brandbar{gap:10px}.entrance-jump{font-size:.64rem}.expedition-entrance .brand{font-size:1.25rem}.expedition-entrance .brand small{font-size:.5rem}.expedition-entrance .brand-logo{width:45px;height:45px}.expedition-entrance .login-story h1{font-size:3.3rem}.expedition-entrance .entrance-mine{margin:0}.entrance-level-buttons button{flex:1 1 40%;padding:8px}.entrance-level-detail{min-height:125px}}
@media(max-width:800px){.expedition-entrance{grid-template-columns:1fr}.expedition-entrance .login-story{padding:27px 25px;gap:24px}.expedition-entrance .entrance-mine{margin:0}.expedition-entrance .login-story h1{font-size:clamp(2.8rem,7vw,4.3rem)}.expedition-entrance .entrance-copy{margin-top:4px}.expedition-entrance .entrance-level-detail{min-height:96px}.expedition-entrance .login-form{padding:35px 25px}.expedition-entrance .login-card{max-width:520px}.expedition-entrance .entrance-ticket{margin-bottom:17px}.expedition-entrance .login-title{font-size:2.6rem}.entrance-itinerary{gap:20px}.entrance-itinerary p{font-size:.79rem}}
@media(max-width:480px){.expedition-entrance .login-story{padding:23px 20px;gap:22px}.expedition-entrance .brand{font-size:1.3rem}.expedition-entrance .brand-logo{width:43px;height:43px}.expedition-entrance .brand small{font-size:.5rem}.entrance-brandbar{gap:10px}.entrance-jump{font-size:.61rem}.expedition-entrance .entrance-copy .eyebrow{font-size:.62rem}.expedition-entrance .login-story h1{font-size:3rem}.expedition-entrance .entrance-description{font-size:.86rem}.expedition-entrance .entrance-mine,.expedition-entrance .entrance-mine canvas{height:216px;min-height:216px}.entrance-route-label{font-size:.49rem;left:12px;right:12px;top:12px;gap:6px}.entrance-level-buttons{gap:7px}.entrance-level-buttons button{flex:1 1 40%;font-size:.74rem}.entrance-level-detail{min-height:116px!important}.entrance-level-detail p{font-size:.8rem}.entrance-level-note{font-size:.63rem}.expedition-entrance .entrance-facts{font-size:.59rem;gap:9px}.expedition-entrance .entrance-facts span+span{padding-left:12px}.expedition-entrance .login-title{font-size:2.4rem}.expedition-entrance .login-form{padding:33px 22px}.expedition-entrance .entrance-ticket{font-size:.58rem;letter-spacing:.1em}}

/* Continuous expedition entrance. Isolated from course and teacher layouts. */
.mine-landing{--entry-progress:0;--entry-drift:0px;--entry-rise:0px;--entry-glow:.1;--entry-gold:#f4ce80;position:relative;isolation:isolate;background:#080f15;color:#f3f2e9;overflow:clip;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.mine-landing a{text-decoration:none}.mine-landing :is(a,button,input):focus-visible{outline:3px solid #f4ce80;outline-offset:5px}.mine-landing p{color:#cbd3d3;line-height:1.75}.mine-landing em{font-family:Georgia,"Times New Roman",serif;font-weight:400;color:var(--entry-gold)}
.entry-world{position:fixed;inset:0;z-index:-2;background:#142127 url('mine/journey.webp') center/cover no-repeat;pointer-events:none}.entry-world canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 1s}.scene-ready .entry-world canvas{opacity:1}.entry-atmosphere{position:absolute;inset:0;background:linear-gradient(90deg,#061015d9,transparent 75%),linear-gradient(180deg,#03090f66,transparent 65%,#03090f88),radial-gradient(ellipse at 78% 42%,rgb(249 191 92 / var(--entry-glow)),transparent 60%)}
.entry-rock{position:absolute;bottom:-20%;width:36vw;max-width:650px;filter:brightness(.32);opacity:.8;will-change:transform}.entry-rock-left{left:-20%;transform:translate3d(0,var(--entry-rise),0) rotate(17deg)}.entry-rock-right{right:-23%;transform:translate3d(var(--entry-drift),var(--entry-rise),0) rotate(-30deg)}
.entry-dust{position:absolute;inset:-12%;opacity:.35;background-image:radial-gradient(circle,#ffe4aa 1px,transparent 2px),radial-gradient(circle,#bde9e7 1px,transparent 2px);background-size:193px 241px,337px 311px;background-position:17px 83px,137px 28px;animation:entry-dust 24s linear infinite;mask-image:linear-gradient(transparent,#000 40%,transparent)}
.entry-nav{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px clamp(22px,5vw,88px)}.entry-brand{display:flex;gap:12px;align-items:center;font-size:23px;letter-spacing:-.04em;font-weight:750;line-height:1.3}.entry-brand small{display:block;color:#bdc8c8;font-size:10px;letter-spacing:.09em;font-weight:500;text-transform:uppercase;margin-top:5px}.entry-brand .brand-logo{width:46px;height:46px}.entry-nav nav{display:flex;align-items:center;gap:28px;font-size:13px}.entry-nav nav a{padding:12px 0;color:#e3e8e6}.entry-nav nav a:hover{color:var(--entry-gold)}.mine-landing [data-motion]{background:#07131aaa;border:1px solid #ffffff35;min-height:38px;font-size:11px;font-weight:500;border-radius:30px;padding:8px 13px}.entry-depth{position:fixed;right:23px;top:43%;display:flex;align-items:center;flex-direction:column;gap:12px;font-size:9px;letter-spacing:.12em;color:#d6c394;z-index:2;pointer-events:none}.entry-depth>div{height:130px;width:1px;background:#f4ce8030;position:relative}.entry-depth i{position:absolute;left:-3px;top:calc(var(--entry-progress) * 124px);width:7px;height:7px;border-radius:50%;background:var(--entry-gold);box-shadow:0 0 14px #ffd081}
.entry-section{position:relative;max-width:1600px;margin:auto;padding:110px clamp(28px,8vw,132px);scroll-margin-top:24px;min-height:100svh;display:flex;align-items:center;gap:8vw}.entry-section h2{font-size:clamp(38px,4.9vw,74px);line-height:1.06;letter-spacing:-.055em;font-weight:600;margin:0 0 26px}.entry-kicker{font-size:10px!important;font-weight:650;text-transform:uppercase;letter-spacing:.22em;margin-bottom:28px!important;color:var(--entry-gold)!important;display:flex;gap:12px;align-items:center}.entry-kicker>span{width:6px;height:6px;background:var(--entry-gold);border-radius:50%;box-shadow:0 0 20px #ffd081}
.entry-hero{padding-top:165px;align-items:flex-start;flex-direction:column;justify-content:center;min-height:100svh;padding-bottom:170px}.entry-hero h1{font-size:clamp(58px,7.7vw,116px);line-height:.99;letter-spacing:-.065em;font-weight:650;margin-bottom:28px}.entry-hero-copy>p:not(.entry-kicker){font-size:clamp(16px,1.45vw,20px);line-height:1.65;max-width:550px;margin-bottom:32px}.entry-hero .entry-text-link{margin-left:23px}.mine-landing .entry-cta{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:54px;border-radius:6px;background:var(--entry-gold);color:#15211e;font-weight:650;font-size:14px;padding:17px 22px;border:1px solid #ffe1a4;box-shadow:0 8px 35px #0003;transition:background .2s,transform .2s}.mine-landing .entry-cta:hover{background:#ffe1a4;transform:translateY(-2px)}.entry-cta>span{font-size:22px;line-height:1}.entry-text-link{display:inline-flex;align-items:center;gap:15px;font-size:13px;color:#e0e4dd!important;padding:15px 0;border-bottom:1px solid #eee4c544}.entry-text-link:hover{color:var(--entry-gold)!important}.entry-hero-bottom{position:absolute;bottom:32px;left:clamp(28px,8vw,132px);right:clamp(28px,8vw,132px);display:flex;align-items:center;gap:36px;border-top:1px solid #ffffff24;padding-top:20px;font-size:11px;text-transform:uppercase;letter-spacing:.1em}.entry-hero-bottom b{font-size:25px;color:var(--entry-gold);font-weight:400;margin-right:10px}.entry-hero-bottom p{margin:0 0 0 auto;font-size:11px;line-height:1.5;text-transform:none;letter-spacing:0}
.entry-routes{justify-content:space-between;background:linear-gradient(180deg,transparent,#06101799 30%,#08131aac 65%,transparent)}.entry-section-heading{flex:1;max-width:570px}.entry-section-heading>p:last-child{max-width:440px}.entry-route-panel{flex:1;max-width:490px;background:#0b191ee8;backdrop-filter:blur(18px);border:1px solid #d2e2dc26;border-radius:16px;padding:24px;box-shadow:0 24px 90px #0005}.entry-level-buttons{display:grid;gap:8px}.entry-level-buttons button{display:flex;align-items:center;gap:18px;padding:18px 16px;text-align:left;font-size:17px;border:1px solid #e9e8da13;background:transparent;border-radius:8px;color:#d7dedb;min-height:65px;font-weight:500}.entry-level-buttons button:hover{background:#ffffff08}.entry-level-buttons button[aria-pressed=true]{background:#f4ce8014;color:#f9dda0;border-color:#f4ce8077}.entry-level-number{font-size:10px;font-weight:400;opacity:.65}.entry-level-gem{margin-left:auto;color:#92d5c5;font-size:20px}.entry-level-buttons button:nth-child(2) .entry-level-gem{color:#b39fe9}.entry-level-buttons button:nth-child(3) .entry-level-gem{color:#ffb199}.entry-level-buttons button:nth-child(4) .entry-level-gem{color:#f4ce80}.entry-level-detail{min-height:145px;padding:23px 5px 10px}.entry-level-detail p{font-size:14px;line-height:1.7;margin:0 0 14px}.entry-level-detail>span{font-size:11px;letter-spacing:.04em;color:#f4ce80}.entry-level-detail i{padding:0 8px;font-style:normal}.mine-landing .entry-fine{font-size:11px;line-height:1.65;color:#acbcb9;margin-bottom:0}.entry-route-panel>.entry-fine{border-top:1px solid #ffffff15;padding-top:16px}
.entry-discover{min-height:105svh;gap:9vw}.entry-discover-copy{width:52%;margin-left:auto}.entry-discovery-art{position:relative;width:35%;height:400px}.entry-orbit{position:absolute;inset:10%;border:1px solid #e5d8a427;border-radius:50%;transform:rotateX(55deg) rotate(-25deg);box-shadow:0 0 100px #77beae25,inset 0 0 70px #77beae20}.entry-crystal{position:absolute;display:block;background-image:url('mine/gems.webp');background-size:400% 200%;width:170px;height:170px;filter:drop-shadow(0 25px 25px #0009);animation:entry-float 6s ease-in-out infinite}.crystal-one{top:14%;left:12%;background-position:0 0;width:210px;height:210px;transform:rotate(-16deg)}.crystal-two{top:48%;left:52%;background-position:66.666% 0;animation-delay:-2s}.crystal-three{top:48%;left:-8%;background-position:33.333% 100%;width:140px;height:140px;animation-delay:-4s}.entry-art-caption{position:absolute;bottom:0;width:100%;text-align:center;font-family:Georgia,serif;font-style:italic;color:#edcf8c;font-size:22px}.entry-discovery-facts{display:flex;gap:32px;margin:32px 0;border-top:1px solid #ffffff2b;border-bottom:1px solid #ffffff2b;padding:24px 0}.entry-discovery-facts>div{flex:1}.entry-discovery-facts strong{display:block;font-weight:400;font-size:33px;letter-spacing:-.04em;color:var(--entry-gold);margin-bottom:9px}.entry-discovery-facts span{font-size:12px;color:#c5d0ce;line-height:1.6}.entry-logbook{display:flex;align-items:flex-start;gap:20px}.entry-logbook>span{font-size:34px;color:var(--entry-gold);line-height:1.2}.entry-logbook p{font-size:14px}.entry-logbook b{display:block;color:#f0efe5;font-weight:550;margin-bottom:5px}
.entry-enroll{justify-content:space-between;gap:9vw;padding-top:140px;padding-bottom:140px;background:radial-gradient(ellipse at 30% 90%,#ceaa5724,transparent 60%)}.entry-enroll-copy{max-width:460px;flex:1}.entry-enroll-copy>p:last-of-type{max-width:340px}.entry-platform-sign{display:inline-block;padding:17px 24px;border:1px solid #e6d0a246;border-radius:4px;letter-spacing:.16em;font-size:16px;margin-top:34px;transform:rotate(-3deg);color:var(--entry-gold);background:#13201de0;box-shadow:0 12px 30px #0005}.entry-platform-sign i{font-style:normal;font-size:28px;margin-left:50px;line-height:1}.entry-platform-sign small{display:block;font-size:9px;letter-spacing:.14em;color:#cdd0b8;margin-top:5px}.entry-pass{width:480px;max-width:100%;padding:34px;background:linear-gradient(145deg,#172725f5,#0b171ef5);backdrop-filter:blur(24px);border:1px solid #ead49b55;border-radius:16px;box-shadow:0 30px 100px #0008;position:relative}.entry-pass-top{display:flex;justify-content:space-between;gap:10px;color:#d7bb7d;font-size:9px;letter-spacing:.18em;border-bottom:1px solid #eed69b33;padding-bottom:20px;margin-bottom:26px}.entry-section .entry-form-title{font-size:37px;letter-spacing:-.04em;line-height:1.12;margin-bottom:18px}.entry-pass>p{font-size:14px}.entry-tabs{display:grid;grid-template-columns:1fr 1fr;gap:5px;background:#030b1166;border:1px solid #ffffff15;padding:5px;border-radius:8px;margin:25px 0}.entry-tabs button{font-size:12px;background:transparent;color:#c9d0ce;border-radius:5px;padding:10px 8px;font-weight:500;min-height:42px}.entry-tabs button.active{background:#31433d;color:#ffe4aa;box-shadow:0 2px 8px #0003}.entry-pass label{font-size:12px;color:#e0e4d9;display:block;margin-bottom:9px;font-weight:500}.entry-pass input{width:100%;background:#071116a6;border:1px solid #afc2b759;border-radius:6px;color:#fff5dc;min-height:54px;padding:13px;font-size:16px;box-shadow:none}.entry-pass input::placeholder{color:#8b9e9c;font-size:13px}.entry-pass .entry-cta{width:100%;margin-top:16px}.entry-pass .entry-fine{margin-top:17px}.entry-pass-bottom{display:flex;align-items:center;gap:12px;font-size:10px;color:#abbab2;border-top:1px dashed #e6d4a338;padding-top:20px;margin-top:27px}.entry-pass-bottom>span{color:var(--entry-gold);font-size:17px}.entry-pass .error{background:#491f25;color:#ffe4de;border-color:#b96769;margin-top:15px;font-size:13px}
.entry-footer{position:relative;background:linear-gradient(transparent,#061017e8);padding:55px clamp(28px,8vw,132px) 25px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid #ffffff12}.entry-footer .entry-brand{font-size:20px}.entry-footer .brand-logo{width:38px;height:38px}.entry-footer>div{display:flex;flex-wrap:wrap;gap:12px}.entry-footer button{background:transparent;color:#c3cfca;padding:8px;font-size:11px;font-weight:400}.entry-footer button:hover{color:var(--entry-gold)}.entry-footer>p{width:100%;text-align:center;font-family:Georgia,serif;font-style:italic;font-size:13px;color:#92a29f;margin:25px 0 0}
.mine-landing[data-paused=true] *{animation-play-state:paused!important}.mine-landing[data-paused=true] .entry-rock{will-change:auto}
@keyframes entry-dust{to{transform:translate3d(30px,-80px,0)}}@keyframes entry-float{0%,100%{translate:0 0;rotate:-4deg}50%{translate:0 -18px;rotate:4deg}}
@media(min-width:1700px){.entry-world:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#06101766,transparent 30%,transparent 80%,#06101766)}}
@media(max-width:1000px){.entry-nav{padding:22px 28px}.entry-nav nav{gap:18px}.entry-nav-routes{display:none}.entry-section{padding-left:7vw;padding-right:7vw;gap:5vw}.entry-hero{padding-bottom:150px}.entry-hero h1{font-size:clamp(64px,9vw,90px)}.entry-section h2{font-size:45px}.entry-route-panel{padding:18px;min-width:310px}.entry-enroll-copy{max-width:40%}.entry-pass{padding:27px}.entry-depth{right:13px}.entry-discovery-art{width:32%}.entry-crystal.crystal-one{width:160px;height:160px}.entry-discovery-facts{gap:18px}.entry-footer{padding-left:7vw;padding-right:7vw}}
@media(max-width:650px){.entry-nav{padding:18px 21px;gap:12px;align-items:flex-start}.entry-brand{font-size:20px;gap:8px}.entry-brand .brand-logo{width:38px;height:38px}.entry-brand small{font-size:7px;letter-spacing:.07em}.entry-nav nav{flex-direction:column;align-items:flex-end;gap:7px;font-size:11px}.entry-nav nav a{padding:5px 0}.mine-landing [data-motion]{font-size:9px;min-height:30px;padding:5px 10px}.entry-section{padding:80px 25px;display:flex;flex-direction:column;align-items:stretch;gap:34px;min-height:auto}.entry-hero{min-height:100svh;justify-content:center;padding-top:155px;padding-bottom:210px}.entry-hero h1{font-size:clamp(48px,11.7vw,74px)}.entry-hero-copy>p:not(.entry-kicker){font-size:15px;max-width:330px}.entry-kicker{font-size:9px!important;letter-spacing:.15em;margin-bottom:24px!important}.mine-landing .entry-cta{font-size:13px;min-height:51px;gap:18px}.entry-hero .entry-text-link{display:flex;width:max-content;margin:15px 0 0;font-size:11px;padding:9px 0}.entry-hero-bottom{left:25px;right:25px;bottom:27px;gap:18px;font-size:8px;letter-spacing:.06em}.entry-hero-bottom b{font-size:22px;margin-right:5px}.entry-hero-bottom p{display:none}.entry-section h2{font-size:39px}.entry-section-heading{max-width:none}.entry-section-heading>p:last-child{font-size:15px}.entry-route-panel{min-width:0;max-width:none;padding:18px}.entry-level-buttons button{min-height:58px;font-size:16px;padding:14px}.entry-level-detail{min-height:145px}.entry-depth{display:none}.entry-atmosphere{background:linear-gradient(90deg,#061015d4,#06101570),linear-gradient(180deg,#03090f44,transparent 70%,#03090f88)}.entry-rock{width:70vw;bottom:-13%;opacity:.45}.entry-rock-left{left:-47%}.entry-rock-right{right:-52%}.entry-discover{padding-top:35px}.entry-discovery-art{width:100%;height:260px;max-width:300px;margin:0 auto 10px}.entry-crystal.crystal-one{width:160px;height:160px;left:18%;top:5%}.entry-crystal.crystal-two{width:130px;height:130px;top:32%;left:54%}.entry-crystal.crystal-three{width:100px;height:100px;top:39%;left:3%}.entry-art-caption{font-size:20px}.entry-discover-copy{width:100%;margin:0}.entry-discover-copy>p{font-size:15px}.entry-discovery-facts strong{font-size:30px}.entry-discovery-facts span{font-size:11px}.entry-enroll{padding-top:65px;padding-bottom:70px;gap:30px}.entry-enroll-copy{max-width:none}.entry-enroll-copy>p:last-of-type{font-size:15px;max-width:none}.entry-platform-sign{display:none}.entry-pass{width:100%;padding:24px}.entry-section .entry-form-title{font-size:32px}.entry-pass>p{font-size:13px}.entry-pass .entry-cta{font-size:12px;padding:14px}.entry-pass input::placeholder{font-size:11px}.entry-footer{padding:30px 25px 25px;align-items:flex-start;gap:18px}.entry-footer>div{gap:5px;flex-direction:column;align-items:flex-start}.entry-footer button{padding-left:0}.entry-footer>p{text-align:left;margin-top:5px}}
@media(prefers-reduced-motion:reduce){.mine-landing *{animation:none!important;scroll-behavior:auto!important;transition:none!important}.entry-rock{transform:none!important}.entry-crystal{translate:none!important;rotate:none!important}}
.mine-landing .entry-nav{position:fixed;background:linear-gradient(#071016eb,#07101688 65%,transparent);padding-top:19px;padding-bottom:24px}.entry-section{scroll-margin-top:80px}
@media(max-width:650px){.mine-landing .entry-nav{padding-top:14px;padding-bottom:20px}.entry-section{scroll-margin-top:90px}}
.entry-pass{scroll-margin-top:110px}
@media(min-width:651px){.entry-enroll{padding-top:80px;padding-bottom:90px}}
.mine-landing .entry-nav{backdrop-filter:blur(9px);background:linear-gradient(#071016f0,#071016bb)}

/* Expedition campus: the existing exercises keep their stable mounted controls. */
.school-control{background:#fff;border:1px solid #d5e2dd;padding:28px;border-radius:22px;margin:24px 0;box-shadow:0 10px 36px #19322b09}.school-group-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:18px;margin-top:24px}.school-group{border:1px solid #c5d9d0;border-radius:16px;padding:23px;background:linear-gradient(145deg,#f1f7f3,#fff)}.school-group h3{font-size:1.4rem;margin:20px 0 12px}.school-group .between{font-size:.8rem}.school-group.is-paused{opacity:.75;border-style:dashed}.school-staff{margin-top:22px}.school-staff-list{display:grid;gap:10px;margin-top:18px}.school-staff-list button{text-align:left;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.school-staff-list span{font-size:.85rem}.school-check{display:flex!important;gap:12px;align-items:center;font-weight:500!important;margin:10px 0}.school-check input{width:20px!important;min-height:20px!important;flex:0 0 20px}.school-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.school-key{overflow-wrap:anywhere}.modal-body fieldset{border:1px solid var(--line);border-radius:12px;margin:20px 0;padding:18px}.group-label{color:#35745c;font-size:.8rem}.teacher-roster #student-group-filter{max-width:420px;margin-bottom:15px}.tense-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px;margin:26px 0}.tense-card{display:flex;flex-direction:column;text-align:left;align-items:flex-start;gap:6px;background:#f5f8f5;color:#244239;border:1px solid #c9dbd0;padding:20px;border-radius:15px}.tense-card>span{font-size:24px;color:#9e772b}.tense-card small{font-size:.8rem;font-weight:400}.tense-card.selected{background:#173d34;color:#fff5d8;border-color:#bd9b4d;box-shadow:0 8px 25px #22473522}.tense-card.selected>span{color:#efc872}#level-selection{scroll-margin-top:25px;padding-top:15px}.journey-launch{background:linear-gradient(130deg,#fffdf6,#f0f6f2);border:1px solid #d5dfd6;box-shadow:0 12px 42px #18342d0c}.intro:has(+.journey-launch){background:#132d2d url('mine/journey.webp') center 42%/cover;border-radius:24px;padding:38px;color:#fff9e9;box-shadow:inset 0 0 0 2000px #082020b0;margin-bottom:24px}.intro:has(+.journey-launch) .eyebrow{color:#f1d68a}.exercise{box-shadow:0 12px 38px #173b2910}.lesson{border-top:3px solid #d3af62}.lesson p{white-space:pre-line}.tense-library details{margin:12px 0}.tense-library .formula{white-space:normal}.entry-pass .field+.field{margin-top:18px}.entry-brand small{max-width:220px}.student-detail .recap-cover{overflow-wrap:anywhere}
@media(max-width:650px){.school-control{padding:18px}.school-form-grid{grid-template-columns:1fr}.school-staff-list button{flex-direction:column;gap:5px}.intro:has(+.journey-launch){padding:26px}.tense-grid{grid-template-columns:1fr 1fr}.tense-card{padding:14px;font-size:.85rem}.tense-card small{font-size:.72rem}.entry-brand small{max-width:160px;font-size:7px}}
.entry-token-world{gap:clamp(35px,6vw,100px);background:linear-gradient(180deg,transparent,#061915b8,transparent)}.entry-token-panorama{position:relative;min-height:570px;border-radius:180px 180px 28px 28px;border:1px solid #d2bf7966;overflow:hidden;box-shadow:0 25px 70px #0006,inset 0 0 70px #0007;background:#10272a url('mine/cavern-1.webp') center/cover;isolation:isolate}.entry-token-chamber{position:absolute;inset:0;background:url('mine/cavern-4.webp') center/cover;animation:entry-chamber 14s ease-in-out infinite alternate}.entry-token-panorama:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 50%,#031b19ed)}.entry-token-panorama>img{position:absolute;width:145px;left:calc(50% - 72.5px);top:32%;z-index:2;filter:drop-shadow(0 10px 24px #0009);animation:entry-token-float 5s ease-in-out infinite}.entry-token-panorama>span{position:absolute;bottom:40px;left:20px;right:20px;text-align:center;font-size:20px;color:#ffe5a3;z-index:3}.entry-token-copy>p{line-height:1.8;color:#d3dfda}.entry-feature-list{display:grid;gap:22px;margin:30px 0}.entry-feature-list article{display:flex;gap:17px;align-items:flex-start}.entry-feature-list article>span{color:#d7b96d;font-size:12px;border:1px solid #e6c27b55;border-radius:50%;padding:10px}.entry-feature-list h3{font-size:18px;color:#fff3d0;margin:0 0 7px}.entry-feature-list p{font-size:14px;line-height:1.7;color:#c3d5ce;margin:0}.entry-hero h1 em{text-shadow:0 0 45px #d7b86b25}.entry-route-panel{backdrop-filter:blur(16px)}
@keyframes entry-chamber{0%,15%{opacity:0;transform:scale(1.05)}85%,100%{opacity:1;transform:scale(1.15)}}@keyframes entry-token-float{50%{transform:translateY(-15px) rotate(8deg)}}
.mine-landing[data-paused=true] .entry-token-world *{animation-play-state:paused!important}
@media(max-width:650px){.entry-token-panorama{min-height:320px;width:100%;border-radius:100px 100px 22px 22px}.entry-token-panorama>img{width:110px;left:calc(50% - 55px);top:25%}.entry-token-world{padding-top:45px;padding-bottom:45px}.entry-token-panorama>span{bottom:25px;font-size:17px}}
@media(prefers-reduced-motion:reduce){.entry-token-world *{animation:none!important}}
.entry-token-panorama,.entry-token-copy{flex:1;min-width:0}.entry-token-copy{max-width:580px}
@media(max-width:650px){.entry-token-panorama,.entry-token-copy{flex:auto;max-width:none}}
/* Persistent update notice outside the app render tree. Never replaces a lesson or dialog. */
.update-notice{position:fixed;right:16px;top:calc(var(--journey-hud-height,0px) + 12px);z-index:48;max-width:min(480px,calc(100vw - 32px));display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px 18px;border:1px solid #dfbd73;border-radius:16px;background:linear-gradient(130deg,#14382f,#235648);color:#fff2cd;box-shadow:0 8px 30px #09261f44}.update-notice[hidden]{display:none}.update-notice>span{flex:1 1 100%;font-weight:700}.update-notice button{padding:9px 13px;border-radius:10px;background:#f4d37f;color:#173a30;border:0;font-size:14px}.update-notice .update-later{background:transparent;color:#fff2cd;border:1px solid #dfbd7370}body:has(dialog[open]) .update-notice{visibility:hidden}@media(max-width:650px){.update-notice{top:auto;bottom:calc(var(--footer-height,150px) + 12px);right:10px;max-width:calc(100vw - 20px);padding:12px;font-size:13px}}