/* Community, treasury and workshop. Scoped rules preserve existing exercise controls. */
[hidden]{display:none!important}.action-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px}.action-row>button{max-width:100%;white-space:normal;overflow-wrap:anywhere}.student-account-actions{display:flex;gap:12px;align-items:stretch;min-width:260px}.students .student-account-actions button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;white-space:nowrap;padding:10px 14px;border:1px solid var(--line);border-radius:11px;font-weight:650}.students .student-account-actions .danger{background:#fbe9e6;color:#94382f;border-color:#f0c4bc}.students .student-account-actions .ghost{background:#fff;color:#17483d}.admin-hub{margin:32px 0;padding:28px;border:1px solid #cfded8;border-radius:24px;background:linear-gradient(140deg,#f5fbf6,#ebf2f2)}.admin-module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.admin-module-grid>article{background:#fff;border:1px solid #dce6e0;border-radius:18px;padding:24px;min-width:0}.admin-module-grid>article>span{display:grid;place-items:center;background:#e4f1e9;color:#195640;border-radius:14px;width:52px;height:52px;font-size:30px;margin-bottom:18px}.admin-module-grid>article p{color:#52665e}.selection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;max-height:320px;overflow:auto;padding:8px}.selection-grid .school-check{min-width:0;overflow-wrap:anywhere}.bulk-names{max-height:240px;overflow:auto;background:#f0f5f3;border-radius:12px;padding:18px 18px 18px 38px}.bulk-review>p:first-child{font-size:1.3rem}.notice-admin-list{display:grid;gap:14px;margin-top:24px}.notice-admin-list>article,.shop-admin-list>form{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fafcfb}.notice-admin-list h3{overflow-wrap:anywhere}.shop-admin-list{display:grid;gap:18px}.shop-admin-list .action-row span{font-size:.875rem;flex:1;min-width:120px}.notice-card{--notice-accent:#ffd06a;--notice-bg:#15372f;display:flex;align-items:flex-start;gap:18px;background:radial-gradient(ellipse at 0 0,#ffffff12,transparent 60%),var(--notice-bg);color:#f7fbf7;border:1px solid #ffffff30;border-radius:22px;padding:26px;margin:16px 0;position:relative;overflow:hidden;box-shadow:0 8px 24px #17302d16}.notice-card:after{content:'';position:absolute;right:-20px;top:-30px;width:150px;height:170px;background:var(--notice-accent);opacity:.06;clip-path:polygon(50% 0,100% 40%,74% 100%,15% 92%,0 30%);pointer-events:none;transform:rotate(15deg)}.notice-crystal{--notice-bg:#342950;--notice-accent:#d8bdff}.notice-gold{--notice-bg:#503b20;--notice-accent:#ffdd7b}.notice-dispatch{--notice-bg:#173b4d;--notice-accent:#a4e6ec}.notice-warning{--notice-bg:#502f28;--notice-accent:#ffbc8c}.notice-emblem{display:grid;place-items:center;border:1px solid #ffffff30;border-radius:16px;background:#ffffff10;color:var(--notice-accent);width:58px;height:58px;flex:0 0 58px;font-size:34px;animation:beacon-breathe 4s ease-in-out infinite}.notice-content{min-width:0;flex:1;z-index:1}.notice-card h3{font-size:1.3rem;margin-bottom:10px;color:white;overflow-wrap:anywhere}.notice-card time{display:block;color:#e0e9e2;font-size:.82rem;margin:0 0 14px}.notice-card .eyebrow{color:var(--notice-accent);margin-bottom:8px}.notice-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}.notice-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.notice-actions button{white-space:normal;overflow-wrap:anywhere;max-width:100%;background:var(--notice-accent);color:#202b2b}.notice-confirmed{font-size:.85rem;color:var(--notice-accent)}.notice-banner{display:flex;align-items:center;gap:16px;border:1px solid #c6dcd4;background:#edf7f1;padding:18px 22px;border-radius:18px;margin-bottom:24px}.notice-banner>span{font-size:30px;color:#25674d}.notice-banner>div{flex:1}.notice-banner p{margin:2px 0 0;font-size:.85rem}.student-top-actions{display:flex;gap:8px;flex-wrap:wrap}.student-top-actions button{font-size:.85rem;padding:8px 12px}.workspace>.topbar{flex-wrap:wrap;gap:12px}.treasury-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(110deg,#122e28,#245345);color:#fff8df;border:1px solid #d3b97550;border-radius:20px;padding:22px 26px;margin-bottom:28px;box-shadow:0 10px 25px #143d2813}.treasury-bar .eyebrow{display:block;margin-bottom:4px;color:#eacb80}.treasury-bar strong{display:block;font-size:1.18rem}.treasury-bar strong span{color:#9eb5a3;margin:0 6px}.treasury-bar small{display:block;color:#c9dbd0;margin-top:6px}.treasury-bar .action-row{margin:0}.treasury-bar .ghost{color:#f5f7f2;border-color:#718e7c}.wallet-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0}.wallet-grid>label,.wallet-grid>span{display:grid;gap:5px;min-width:0;background:#f0f5f2;border:1px solid #dbe5dd;border-radius:14px;padding:14px}.wallet-grid label>span{display:flex;gap:8px;align-items:center}.wallet-grid small{font-weight:400;color:#557165}.wallet-grid input{min-width:0;width:100%;margin:4px 0 0}.wallet-grid .treasure-icon{width:22px;height:22px;display:inline-block;flex-shrink:0}.shop-intro h3{font-size:1.8rem}.shop-defaults{margin:20px 0}.shop-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.shop-item{border:1px solid #dae4df;border-radius:20px;background:#fff;overflow:hidden;min-width:0;display:flex;flex-direction:column}.shop-item-body{padding:20px;display:flex;flex-direction:column;align-items:flex-start;flex:1}.shop-item-body>p:not(.eyebrow):not(.shop-price){font-size:.9rem;color:#586c61}.shop-item-body button{width:100%;margin-top:auto}.shop-price{font-weight:750}.shop-preview{height:168px;position:relative;overflow:hidden;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 15%,#f2dfb5,#e7f0ea 80%)}.preview-cart img{width:165px;height:165px;object-fit:contain;animation:shop-bob 3s ease-in-out infinite}.cart-trim{position:absolute;top:92px;left:50%;color:#fff0aa;text-shadow:0 2px 3px #000;font-size:24px}.skin-cart-copper img,body[data-cart-skin=cart-copper] .cart-image,body[data-cart-skin=cart-copper] .cart-front{filter:sepia(.75) saturate(1.55) hue-rotate(338deg)}.skin-cart-jade img,body[data-cart-skin=cart-jade] .cart-image,body[data-cart-skin=cart-jade] .cart-front{filter:sepia(.7) saturate(1.5) hue-rotate(85deg)}.skin-cart-frost img,body[data-cart-skin=cart-frost] .cart-image,body[data-cart-skin=cart-frost] .cart-front{filter:grayscale(.65) sepia(.25) saturate(1.5) hue-rotate(155deg) brightness(1.22)}.skin-cart-royal img,body[data-cart-skin=cart-royal] .cart-image,body[data-cart-skin=cart-royal] .cart-front{filter:sepia(.65) saturate(1.8) hue-rotate(225deg)}
.skin-mine-amethyst,.skin-mine-tidal,.skin-mine-ember{--skin-light:#cea8ff;--skin-dark:#2d2047}.skin-mine-tidal{--skin-light:#88ecdb;--skin-dark:#114b51}.skin-mine-ember{--skin-light:#ffc27a;--skin-dark:#54291d}.preview-mine{background:radial-gradient(ellipse at 50% 110%,var(--skin-light),var(--skin-dark) 65%)}.preview-stollen{width:65%;height:125px;align-self:end;border:20px solid #ffffff20;border-bottom:0;border-radius:60% 60% 0 0;background:#0008;position:relative;display:grid;place-items:center;color:var(--skin-light);font-size:54px}.preview-stollen i{width:20px;height:48px;background:var(--skin-light);clip-path:polygon(50% 0,100% 25%,75% 100%,20% 100%,0 25%);position:absolute;bottom:0;left:15%;transform:rotate(-15deg);box-shadow:0 0 12px var(--skin-light)}.preview-stollen i:nth-of-type(2){left:70%;height:70px;transform:rotate(15deg)}.preview-stollen i:nth-of-type(3){left:80%;height:35px}.preview-stollen span{animation:beacon-breathe 4s infinite}
body[data-mine-skin=mine-amethyst]{--skin-light:#d7b3ff;--skin-dark:#392254;--skin-paper:#f6f0fc;--skin-line:#dbc9ef}body[data-mine-skin=mine-tidal]{--skin-light:#9cf0df;--skin-dark:#174e53;--skin-paper:#edf9f6;--skin-line:#b5ddd6}body[data-mine-skin=mine-ember]{--skin-light:#ffd390;--skin-dark:#643822;--skin-paper:#fff5e8;--skin-line:#edd2b7}body:not([data-mine-skin=default])[data-mine-skin] .stollen-card{background:linear-gradient(150deg,#fff,var(--skin-paper));border-color:var(--skin-line);color:#203732}body:not([data-mine-skin=default])[data-mine-skin] .stollen-art{background:radial-gradient(ellipse at 50% 120%,var(--skin-light),var(--skin-dark) 80%);color:var(--skin-light)}body[data-mine-skin=mine-amethyst] .stollen-art:after{content:'✧  ◇  ✦';font-size:25px;position:absolute;bottom:8px;right:20px;color:#e2c0ff}body[data-mine-skin=mine-tidal] .stollen-art:after{content:'';position:absolute;bottom:0;left:0;width:100%;height:22px;border-radius:45% 55% 0 0;background:repeating-linear-gradient(0deg,#acf5e880 0 2px,#38aeb960 3px 8px);animation:water-drift 5s infinite alternate}body[data-mine-skin=mine-ember] .stollen-art:after{content:'·   ✦    ·   ✧';position:absolute;bottom:16px;right:15%;font-size:28px;color:#ffdd99;animation:embers-rise 4s infinite}body:not([data-mine-skin=default])[data-mine-skin] .task-workspace,body:not([data-mine-skin=default])[data-mine-skin] .lesson{border-color:var(--skin-line)}
.vault-hud{display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:750}.vault-lives{letter-spacing:.18em;font-size:1.4rem;color:#b84946}.vault-track{height:110px;background:linear-gradient(0deg,#4b4635 0 3px,transparent 3px),radial-gradient(ellipse at 80% 30%,#96ba8860,transparent),#123d34;border-radius:16px;margin:14px 0 24px;position:relative;overflow:hidden}.vault-track:before{content:'';position:absolute;bottom:15px;left:0;width:200%;height:12px;background:repeating-linear-gradient(90deg,#ba9257 0 5px,transparent 5px 22px);border-block:2px solid #b4b9ae;animation:track-slide 3s linear infinite}.vault-moving-cart{position:absolute;width:110px;bottom:-1px;left:22%;animation:shop-bob 2s infinite}.vault-moving-cart img{width:100%;display:block}.vault-door{position:absolute;right:6%;bottom:23px;color:#eddb99;font-size:58px}.vault-feedback{min-height:28px;font-weight:650;color:#85501d;margin:10px 0}.vault-play{background:#f0f6f3;border:1px solid #d6e3db;padding:24px;border-radius:18px;min-height:230px}.puzzle-buttons{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin:16px 0}.puzzle-buttons button{min-width:66px;min-height:60px;font-size:1.7rem;background:white}.puzzle-buttons .selected{background:#24523d;color:#fff;border-color:#24523d}.lamp-sequence{display:flex;gap:12px;justify-content:center;margin:14px 0 28px}.lamp-sequence>span{background:#243e37;color:#ffe098;font-size:36px;width:68px;min-height:76px;text-align:center;border-radius:18px;padding:5px;animation:lamp-flash .55s ease-in-out var(--delay)}.lamp-sequence small{display:block;font-size:12px;color:#bfd1be}.lamp-sequence.is-hidden{display:none}.signal-answer{text-align:center;font-size:1.4rem;letter-spacing:.18em;min-height:42px}.rail-puzzle-wrap{display:grid;grid-template-columns:36px minmax(0,300px) 45px;justify-content:center;align-items:center;gap:8px}.rail-puzzle{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.rail-tile{padding:0;aspect-ratio:1;background:#263b35;color:#e5c58a;border:2px solid #536a5c;min-height:0;min-width:0}.rail-tile.route-tile{border-color:#d0b66c}.rail-tile svg{width:100%;height:100%;display:block;transition:transform .2s}.rail-start,.rail-end{font-size:12px;font-weight:800;color:#245345}.ore-scale{height:140px;position:relative;padding-top:24px}.scale-arm{display:flex;justify-content:space-between;max-width:310px;margin:auto;position:relative;z-index:1;transform:rotate(var(--tilt));border-top:8px solid #946c38;transition:transform .4s}.scale-arm span{background:linear-gradient(#dde4df,#9cae9e);color:#253b30;border-radius:0 0 35% 35%;padding:20px 14px;font-weight:800;min-width:80px;box-shadow:0 5px 0 #7f9889}.ore-scale>i{position:absolute;width:20px;height:88px;left:calc(50% - 10px);top:20px;background:#617866;clip-path:polygon(50% 0,100% 100%,0 100%)}.ore-pieces button{font-size:16px;display:grid;gap:2px}.ore-pieces button span{font-size:28px;color:#be944c}.crystal-target{text-align:center}.crystal-target b{font-size:30px;padding:8px}.crystal-puzzle{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:420px;margin:auto}.crystal-cell{font-size:34px;min-height:65px;background:#fff;color:#497a77;border:2px solid transparent;box-shadow:0 4px 10px #174f3411;padding:5px}.crystal-1{color:#8954a2}.crystal-2{color:#aa6836}.crystal-3{color:#456f95}.crystal-cell.selected{border-color:#1e654f;background:#d6f0e5;box-shadow:0 0 0 2px #fff inset}.valve-puzzle{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.valve{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;min-width:0}.valve-wheel{font-size:66px;color:#547f6d;line-height:1.1;transition:transform .2s}.valve input{width:100%;padding:0;accent-color:#28795a}.valve meter{width:100%;height:24px}.valve label{font-size:.85rem}.valve output{font-weight:800;font-size:1rem}.vault-result h3,.rescue-scene h3{font-size:1.6rem}.vault-result-scene{height:180px;border-radius:18px;position:relative;background:radial-gradient(ellipse at 70% 10%,#afaa5260,transparent),#193c31;overflow:hidden;margin-bottom:22px}.vault-result-scene img{position:absolute;width:150px;bottom:0;left:15%;animation:vault-arrive 1.6s ease-out both}.vault-result-scene>span{position:absolute;color:#ffe4a4;left:47%;top:35%;font-size:60px;animation:treasure-rise 1.8s both}.vault-result-scene>i{font-style:normal;color:#ffe4a4;font-size:100px;position:absolute;right:12%;bottom:10px}.vault-loss .vault-result-scene>span{animation:treasure-fall 1.8s both}.rescue-shaft{height:260px;position:relative;background:linear-gradient(#dfefc9 0 10%,#273e31 10% 20%,#172f2a 30% 100%);border-radius:20px;overflow:hidden;margin-bottom:24px}.rescue-shaft:after{content:'';position:absolute;inset:20% 15% 0;border-inline:25px solid #73593a33;pointer-events:none}.rescue-hoist{position:absolute;left:calc(50% - 75px);top:125px;width:150px;animation:rescue-lift 4s cubic-bezier(.3,0,.3,1) both}.rescue-hoist img{width:150px;position:relative}.rescue-rope{position:absolute;width:4px;height:400px;bottom:100px;left:72px;background:repeating-linear-gradient(45deg,#b4aa80 0 3px,#746742 3px 5px)}.rescue-daylight{position:absolute;left:18%;top:0;color:#7c9855;font-size:40px}.rescue-scene>p{max-width:560px}
@keyframes beacon-breathe{50%{filter:brightness(1.2);box-shadow:0 0 24px #ffe9a218}}@keyframes shop-bob{50%{transform:translateY(-4px) rotate(-1deg)}}@keyframes water-drift{to{transform:translateY(4px)}}@keyframes embers-rise{to{transform:translateY(-25px);opacity:.35}}@keyframes track-slide{to{transform:translateX(-88px)}}@keyframes lamp-flash{50%{background:#f7d673;color:#19352c;box-shadow:0 0 28px #f7d673}}@keyframes vault-arrive{from{transform:translateX(-130px)}to{transform:translateX(0)}}@keyframes treasure-rise{from{opacity:0;transform:translate(-60px,50px) scale(.5)}to{opacity:1;transform:translate(40px,-10px)}}@keyframes treasure-fall{to{transform:translateY(150px) rotate(130deg);opacity:0}}@keyframes rescue-lift{0%{transform:translateY(90px) rotate(-5deg)}50%{transform:translateY(-35px) rotate(2deg)}100%{transform:translateY(-165px) rotate(0)}}
@media(min-width:900px){dialog:has(.shop-grid),dialog:has(.admin-module-grid){max-width:960px;width:calc(100vw - 80px)}}
@media(max-width:1100px){.admin-module-grid{grid-template-columns:1fr}.admin-module-grid>article{display:block}.treasury-bar{align-items:flex-start;flex-direction:column}.student-top-actions{order:3;width:100%}.student-top-actions button{flex:1}.topbar .breadcrumb{max-width:65%}}
@media(max-width:600px){.admin-hub{padding:18px}.admin-module-grid>article{padding:20px}.selection-grid{grid-template-columns:1fr}.notice-card{padding:20px;gap:12px;flex-direction:column}.notice-emblem{width:44px;height:44px;flex-basis:44px;font-size:25px}.notice-banner{flex-wrap:wrap;padding:16px}.notice-banner>div{min-width:180px}.notice-banner>button{width:100%}.wallet-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.wallet-grid>label,.wallet-grid>span{padding:12px}.shop-grid{grid-template-columns:1fr}.treasury-bar{padding:20px}.treasury-bar .action-row{width:100%}.treasury-bar button{flex:1 1 130px}.student-top-actions{gap:5px}.student-top-actions button{font-size:.75rem;padding:7px;min-height:42px}.vault-play{padding:14px}.rail-puzzle-wrap{grid-template-columns:24px minmax(0,1fr) 30px;gap:4px}.rail-start,.rail-end{font-size:10px}.valve-puzzle{gap:9px}.valve-wheel{font-size:48px}.crystal-puzzle{gap:8px}.crystal-cell{font-size:28px;min-height:54px}.lamp-sequence{gap:8px}.lamp-sequence>span{min-width:0;width:54px;font-size:28px}.puzzle-buttons{gap:8px}.puzzle-buttons button{min-width:52px}.action-row>button{flex:1 1 auto}.notice-actions button{width:100%}.student-account-actions{min-width:255px}}
@media(prefers-reduced-motion:reduce){.notice-emblem,.preview-cart img,.preview-stollen span,.stollen-art:after,.vault-track:before,.vault-moving-cart,.lamp-sequence>span,.vault-result-scene img,.vault-result-scene>span,.rescue-hoist{animation:none!important}.rescue-hoist{transform:translateY(-150px)}.scale-arm,.valve-wheel,.rail-tile svg{transition:none}}

.secured-task-note,.secured-count{color:#226a50;background:#e7f4ec;border-radius:10px;padding:10px 14px;font-size:.85rem;font-weight:650}.secured-count{margin:12px 20px 4px}.vault-door{width:61px;height:76px;font-size:0;bottom:20px}.vault-door svg{display:block;width:100%;height:100%}.vault-result-scene>i{width:105px;height:132px;bottom:15px;font-size:0}.vault-result-scene>i svg{width:100%;height:100%}#notice-form>input,#notice-form>textarea{margin-bottom:16px}

.workspace>.topbar{height:auto;min-height:76px}.workspace .topbar .student-top-actions{position:relative}.secured-task-note{margin:14px 0}

body[data-cart-skin=cart-copper]{--active-cart-filter:sepia(.75) saturate(1.55) hue-rotate(338deg)}body[data-cart-skin=cart-jade]{--active-cart-filter:sepia(.7) saturate(1.5) hue-rotate(85deg)}body[data-cart-skin=cart-frost]{--active-cart-filter:grayscale(.65) sepia(.25) saturate(1.5) hue-rotate(155deg) brightness(1.22)}body[data-cart-skin=cart-royal]{--active-cart-filter:sepia(.65) saturate(1.8) hue-rotate(225deg)}.thief-wagon>img,.vault-moving-cart img,.vault-result-scene>img,.rescue-hoist>img{filter:var(--active-cart-filter,none)}