:root{--ink:#193943;--muted:#6c8087;--paper:#f3f7f8;--white:#fff;--line:#dfe8eb;--teal:#087f7d;--teal-dark:#11605f;--mint:#e3f1ed;--blue:#416b9b;--rose:#a36265;--gold:#b7853d;--radius:16px;--display:"Avenir Next","PingFang SC","Microsoft YaHei",sans-serif;--body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.65 var(--body);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{cursor:wait;opacity:.55}a{color:inherit;text-decoration:none}button{border:0}input,textarea,select{color:var(--ink)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #61beb3;outline-offset:3px}[hidden]{display:none!important}svg{width:20px;height:20px;vertical-align:middle;flex-shrink:0}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.35}h1{font-family:var(--display);letter-spacing:-1.5px}h2{font-size:21px;letter-spacing:-.6px}h3{font-size:17px}small{font-size:12px}code,kbd{font-family:"SFMono-Regular",Consolas,monospace}code{background:#eaf0f1;padding:2px 5px;border-radius:4px}.skip-link{position:fixed;left:20px;top:-60px;z-index:20;padding:12px;background:white}.skip-link:focus{top:12px}
.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:#fff;border-right:1px solid var(--line);padding:34px 23px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;align-items:center;gap:12px}.brand-mark{font:700 30px/1 "Avenir Next",sans-serif;letter-spacing:-3px;background:#163e49;color:white;width:48px;height:48px;display:grid;place-content:center;border-radius:14px;position:relative}.brand-mark span{position:absolute;color:#91d9c3;bottom:7px;right:8px}.brand strong{font-size:21px;letter-spacing:1px}.brand small{display:block;font-size:7px;letter-spacing:1.1px;font-weight:700;margin-top:2px}.nav-label{font-size:11px;letter-spacing:1.2px;color:#91a0a5;margin:42px 12px 15px}.sidebar nav{display:grid;gap:7px}.sidebar nav a{display:flex;align-items:center;gap:13px;padding:13px 15px;border-radius:10px;color:#728289;font-weight:550}.sidebar nav a.active{color:var(--teal-dark);background:#eaf4f1}.sidebar nav a:hover{background:#f1f6f5}.nav-dot{display:none;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-left:auto}.active .nav-dot{display:block}.nav-count{margin-left:auto;font-size:11px}.side-note{margin-top:58px;padding:20px 15px 24px;background:#f4f8f8;border:1px solid #e7eeee;border-radius:14px}.small-symbol{display:block;font:500 26px/1.4 Georgia,serif;letter-spacing:2px;color:#57968e;margin-bottom:12px}.side-note strong{font-size:15px;line-height:1.7}.side-note p{font-size:12px;color:var(--muted);margin:9px 0 15px}.side-note a{font-size:12px;color:var(--teal);font-weight:650}.side-note a span{margin-left:10px}.side-footer{margin-top:auto;padding:30px 6px 0;color:var(--muted);font-size:11px}.side-footer small{display:block;margin:7px 0 0 12px;font-size:10px;color:#91a0a5}.status-dot{display:inline-block;background:#6a9f90;width:5px;height:5px;border-radius:50%;margin-right:7px}
.workspace{margin-left:230px}.topbar{height:83px;border-bottom:1px solid var(--line);padding:0 42px;display:flex;align-items:center;justify-content:space-between;background:#ffffff9c}.breadcrumb{color:var(--muted);font-size:12px}.breadcrumb span{padding:0 13px;color:#b1bec2}.breadcrumb strong{color:var(--ink);font-weight:500}.topbar-right{display:flex;align-items:center;gap:19px}.mode-pill{font-size:10px;border:1px solid #dbe6e5;color:#738e8a;padding:3px 10px;border-radius:20px;letter-spacing:.6px}main{max-width:1530px;margin:0 auto;padding:42px;outline:none}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #d5e2e3;border-radius:8px;background:white;padding:10px 17px;line-height:1.5;font-size:13px;font-weight:600;transition:background .15s,border-color .15s}.button:hover{background:#edf5f3;border-color:#a9c8c2}.button.primary{background:var(--teal);border-color:var(--teal);color:#fff}.button.primary:hover{background:#096968}.button.small{padding:8px 14px;font-size:12px}.button svg{width:16px;height:16px}.text-button{background:none;color:var(--teal);font-size:12px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;color:var(--teal);margin-bottom:16px}.intro{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:2px 0 38px}.intro h1{font-size:clamp(29px,2.7vw,41px);line-height:1.45;letter-spacing:-1.5px}.intro h1 span{color:var(--teal)}.intro-description{color:var(--muted);font-size:13px;line-height:1.9;margin-top:16px}.intro-links{display:flex;align-items:center;gap:20px;margin-top:22px}.intro-links a{font-size:12px;font-weight:650;color:var(--teal)}.intro-links a span{margin-left:10px}.intro-links>span{font-size:10px;letter-spacing:.4px;color:#8d9da2}
.featured{background:#e4eeed;border:1px solid #d6e5e1;border-radius:18px;padding:24px 28px;text-align:left;display:flex;flex-direction:column;position:relative;overflow:hidden;min-height:250px;transition:transform .2s,box-shadow .2s}.featured:hover{transform:translateY(-3px);box-shadow:0 12px 24px #1939430c}.featured:before{content:"";position:absolute;width:190px;height:190px;border-radius:50%;border:1px solid #c9dcda;right:-80px;top:-65px;box-shadow:0 0 0 22px #d9e7e580,0 0 0 44px #d9e7e550}.featured-top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;color:#4e7773;position:relative}.featured-top span:last-child{font-size:7px;letter-spacing:1px}.featured-quote{font:500 clamp(21px,2.05vw,30px)/1.4 "Avenir Next",Georgia,serif;letter-spacing:-.7px;color:#244e50;margin-top:25px;position:relative}.featured-translation{font-size:12px;color:#64817e;margin-top:11px}.featured-bottom{border-top:1px solid #cbdcd8;margin-top:22px;padding-top:15px;display:flex;justify-content:space-between;gap:8px;font-size:10px;color:#547c76}.featured-bottom>span:last-child{color:#217f75;white-space:nowrap}
.catalog-title{display:flex;align-items:center;justify-content:space-between;margin:2px 0 21px}.catalog-title>div{display:flex;align-items:baseline;gap:13px}.catalog-title h2{font-size:21px}.catalog-title #result-count{font-size:11px;color:#8d9da2}.dataset-note{font-size:10px;color:#83969a}.filter-bar{display:flex;gap:12px}.search-box{flex:1;display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:0 15px;color:#96a5aa}.search-box input{border:0;outline:none;background:transparent;width:100%;padding:12px 0;font-size:12px}.search-box kbd{font-size:11px;border:1px solid #e3e9eb;border-radius:4px;padding:0 5px;color:#a6b2b6}.search-box:focus-within{border-color:var(--teal);box-shadow:0 0 0 2px #087f7d15}.filter-bar select{border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px 30px 10px 14px;font-size:12px;max-width:210px}.type-tabs{display:flex;gap:24px;align-items:center;margin-top:13px;border-bottom:1px solid var(--line);margin-bottom:22px}.type-tabs button{background:transparent;padding:14px 0 13px;color:var(--muted);font-size:12px;position:relative}.type-tabs button[aria-pressed=true]{color:var(--teal);font-weight:650}.type-tabs button[aria-pressed=true]:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--teal)}.type-tabs button span{font:10px "Avenir Next",sans-serif;margin-left:6px;color:#8d9da2}.type-tabs .text-button{margin-left:auto}
.pack-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.pack-card{background:white;border:1px solid #e0e8eb;border-radius:13px;overflow:hidden;transition:transform .18s,box-shadow .18s}.pack-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #19394309}.card-open{display:block;text-align:left;width:100%;padding:0;background:none}.card-cover{height:99px;position:relative;overflow:hidden;background:#e9f0f6;color:#4c749b;display:flex;align-items:center;justify-content:space-between;padding:21px 23px}.card-cover:after{content:"";position:absolute;inset:0;background-image:radial-gradient(currentColor .6px,transparent .8px);background-size:9px 9px;opacity:.12;mask-image:linear-gradient(to right,transparent,black)}.card-cover[data-domain=communication]{background:#e6f0ec;color:#4d8e78}.card-cover[data-domain=environment]{background:#e8efdf;color:#788d59}.card-cover[data-domain=reading]{background:#f4eae5;color:#b47a63}.card-cover[data-type=wordbook]{background:#eee9f2;color:#8b6d9e}.cover-topic{font-size:11px;letter-spacing:1.5px;font-weight:650;z-index:1;display:flex;flex-direction:column;gap:5px}.cover-topic small{font-size:7px;letter-spacing:1.2px;opacity:.6}.cover-mark{font:500 47px/1 Georgia,serif;letter-spacing:-3px;transform:rotate(-6deg);opacity:.67;z-index:1}.card-body{padding:20px 21px 16px}.card-type{font-size:9px;letter-spacing:.5px;color:#899da2;margin-bottom:8px;display:flex;justify-content:space-between}.card-body h3{font-size:15px;line-height:1.65;font-weight:650;min-height:49px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-description{font-size:11px;color:#8b9ba1;line-height:1.8;margin-top:8px;min-height:39px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:13px}.tag{font-size:9px;background:#f3f7f7;color:#7b8e94;border-radius:4px;padding:2px 6px}.card-footer{display:flex;align-items:center;gap:8px;padding:12px 21px;border-top:1px solid #edf2f3;font-size:10px;color:#87999e}.author-avatar{height:20px;width:20px;display:grid;place-content:center;background:#edf4f2;border-radius:50%;color:#718e83;font-size:9px}.card-footer>span:nth-child(2){overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.card-footer .save-button{margin-left:auto;background:transparent;color:#9baeb2;padding:3px;display:flex;align-items:center}.save-button svg{width:16px;height:16px}.save-button[aria-pressed=true]{color:var(--teal)}.save-button[aria-pressed=true] svg{fill:#bfe4d8}.catalog-footer{font-size:11px;color:#91a0a5;text-align:center;margin-top:30px}.empty-state{text-align:center;padding:65px 20px;background:#fff;border-radius:12px;border:1px dashed #d5e2e3}.empty-state>span{display:block;margin-bottom:12px;color:#8da6a6}.empty-state h3{font-size:18px}.empty-state p{color:var(--muted);margin:12px 0 22px}.loading-message{padding:50px;text-align:center;color:var(--muted)}
.inner-view h1{font-size:34px}.lead{color:var(--muted);margin:14px 0 30px;max-width:740px;line-height:1.9;font-size:13px}.contribution-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:24px}.form-panel{background:#fff;border:1px solid var(--line);border-radius:15px;padding:28px}.drop-zone{border:1px dashed #a8c9c2;background:#f2f9f6;border-radius:12px;min-height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;cursor:pointer;position:relative;transition:background .2s}.drop-zone.dragging{background:#dceee6}.drop-zone>span:first-child{color:var(--teal)}.drop-zone svg{width:28px;height:28px}.drop-zone strong{font-size:15px}.drop-zone>span{font-size:11px;color:var(--muted)}.drop-zone input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.drop-zone:focus-within{outline:3px solid #61beb3;outline-offset:3px}.file-result{margin-top:16px;background:#eaf6ef;color:#316956;font-size:12px;border-radius:8px;padding:12px}.file-result.error{background:#fff0eb;color:#a34938}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:19px 16px;margin-top:26px}.form-grid label,.repo-form label{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:550}.form-grid .full{grid-column:1/-1}.form-grid input,.form-grid textarea,.form-grid select,.repo-form input{padding:10px 12px;background:#fff;border:1px solid #dce5e7;border-radius:7px;width:100%;font-size:12px}.form-grid textarea{resize:vertical;min-height:64px}.form-grid small{font-size:10px;font-weight:400;color:var(--muted)}.check-label{display:flex;align-items:flex-start;gap:10px;margin-top:22px;font-size:11px;color:var(--muted)}.check-label input{accent-color:var(--teal);flex-shrink:0;margin-top:3px}.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.form-footnote{font-size:10px;color:#91a0a5;margin-top:16px}.aside-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:20px}.aside-card h3{font-size:15px}.aside-card .eyebrow{font-size:9px}.aside-card>small{display:block;font-size:10px;color:#91a0a5;margin-top:15px}.steps{list-style:none;margin:22px 0;padding:0;counter-reset:step}.steps li{counter-increment:step;padding:0 0 22px 34px;position:relative;display:flex;flex-direction:column;gap:5px}.steps li:last-child{padding-bottom:0}.steps li:before{content:counter(step);position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:#eaf3f1;color:#528879;text-align:center;font-size:10px;line-height:22px}.steps li strong{font-size:12px}.steps li span{font-size:11px;color:var(--muted)}.inline-link{font-size:12px;color:var(--teal)}.muted{color:var(--muted);font-size:12px}.draft-item{padding:14px 0;border-bottom:1px solid var(--line)}.draft-item p{font-size:12px}.draft-item small{display:block;font-size:10px;color:var(--muted)}.draft-item .text-button{padding:8px 0 0}.draft-item .text-button+.text-button{margin-left:15px;color:#987b72}#draft-list>.muted{margin-top:18px}#draft-count{font-size:11px;font-weight:400;color:var(--muted);margin-left:6px}.export-result{padding:20px;border:1px solid #bfddd1;background:#eff8f3;border-radius:10px;margin-top:23px}.export-result h3{font-size:15px}.export-result p{font-size:12px;margin-top:10px;color:#648073}.export-result .button{margin-top:14px;margin-right:8px}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:23px}.guide-card{background:white;border:1px solid var(--line);border-radius:13px;padding:28px}.guide-card>span{display:inline-block;color:var(--teal);margin-bottom:16px}.guide-card h2{font-size:18px}.guide-card ol{padding-left:19px;font-size:12px;color:var(--muted);margin:20px 0 24px;line-height:2}.guide-card li+li{margin-top:10px}.guide-card.wide{grid-column:1/-1}.guide-card p{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.9}.guide-card.quiet{background:#edf4f3;border-color:transparent}.guide-config-title{display:flex;gap:16px}.guide-config-title>span{padding-top:2px;color:var(--teal)}.repo-form{display:flex;gap:14px;align-items:flex-end;margin-top:22px}.repo-form label{flex:1;max-width:490px}.repo-form button{white-space:nowrap}
dialog{padding:26px 32px;border:1px solid #e0e7e8;border-radius:20px;max-width:850px;width:calc(100% - 40px);max-height:90vh;color:var(--ink);box-shadow:0 35px 100px #123a4333}dialog::backdrop{background:#18353c69;backdrop-filter:blur(4px)}body:has(dialog[open]){overflow:hidden}.dialog-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.dialog-heading .eyebrow{margin:0;font-size:10px}.icon-button{width:32px;height:32px;display:grid;place-content:center;background:#f0f5f4;border-radius:50%;color:#7d9397}.detail-header h2{font-size:25px;line-height:1.5;letter-spacing:-.7px}.detail-header>p{color:var(--muted);font-size:12px;line-height:1.9;margin-top:13px}.detail-meta{display:flex;gap:10px;flex-wrap:wrap;margin:17px 0}.detail-meta span{background:#eef4f3;padding:3px 9px;border-radius:5px;font-size:10px;color:#6d8b85}.detail-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-bottom:23px;border-bottom:1px solid var(--line)}.detail-content-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:22px 0 16px}.detail-content-head h3{font-size:14px}.detail-search input{font-size:12px;padding:8px 11px;border:1px solid var(--line);border-radius:7px;width:200px}.sentence{padding:18px 0;border-bottom:1px solid #edf1f2;display:grid;grid-template-columns:29px 1fr;gap:10px}.sentence-number{font:10px "SFMono-Regular",monospace;color:#a1b2b6;padding-top:5px}.sentence-en{font:500 17px/1.65 "Avenir Next",var(--body)}.sentence-zh{color:#738b91;font-size:12px;margin-top:6px}.sentence-note{font-size:11px;color:#889b9d;margin-top:10px;line-height:1.8}.sentence-vocab{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}.sentence-vocab span{background:#f0f5f2;color:#527a6a;font-size:10px;padding:3px 8px;border-radius:4px}.sentence-question{margin-top:10px;font-size:11px;color:#688692}.word-table{width:100%;border-collapse:collapse;font-size:12px;table-layout:fixed}.word-table th{text-align:left;color:#8d9da2;font-size:10px;background:#f3f7f7;padding:10px}.word-table td{padding:12px 10px;border-bottom:1px solid #edf1f2;overflow-wrap:anywhere}.word-table td:first-child{font-weight:600}.word-table th:last-child{width:27%}.word-table td:last-child{font-size:11px;color:var(--muted)}.more-button{display:flex;margin:20px auto}.detail-source{background:#f2f6f6;padding:17px;border-radius:9px;margin-top:24px;overflow-wrap:anywhere}.detail-source strong{font-size:11px}.detail-source p{font-size:11px;color:var(--muted);margin:7px 0}.detail-source small{font:9px/1.8 "SFMono-Regular",monospace;color:#97a5a7}.toast{position:fixed;bottom:27px;left:calc(50% + 100px);transform:translateX(-50%);background:#163d46;color:white;border-radius:10px;padding:12px 22px;max-width:calc(100vw - 40px);font-size:12px;box-shadow:0 10px 25px #1b3c4320;z-index:100}.toast.error{background:#87483c}
@media(min-width:1600px){.pack-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.featured{max-width:590px}.intro{gap:70px}}
@media(max-width:1150px){.sidebar{width:205px;padding:28px 17px}.brand strong{font-size:18px}.brand small{font-size:6px}.workspace{margin-left:205px}main{padding:30px}.topbar{padding:0 30px}.intro{gap:28px}.featured{padding:22px}.featured-top span:last-child{display:none}.pack-grid{gap:15px}.card-body{padding:17px}.card-footer{padding:12px 17px}.contribution-layout{grid-template-columns:minmax(0,1fr) 225px}}
@media(max-width:950px){.pack-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.intro{grid-template-columns:1fr;gap:25px}.intro h1 br{display:none}.intro h1{font-size:31px}.intro-description br{display:none}.intro-description{margin-top:10px}.intro-links{margin-top:13px}.featured{min-height:0}.featured-quote{font-size:25px;margin-top:15px}.featured-top span:last-child{display:block}.contribution-layout{grid-template-columns:1fr}.contribution-aside{display:grid;grid-template-columns:1fr 1fr;gap:18px}.guide-grid{grid-template-columns:1fr}.guide-card{grid-column:1/-1}.dataset-note{display:none}.filter-bar select{max-width:160px}}
@media(max-width:700px){.sidebar{position:relative;inset:auto;width:100%;padding:18px 20px 0;border:0;border-bottom:1px solid var(--line)}.brand-mark{width:36px;height:36px;font-size:25px;border-radius:10px}.brand-mark span{bottom:4px;right:6px}.brand strong{font-size:19px}.brand small{font-size:6px}.nav-label,.side-note,.side-footer{display:none}.sidebar nav{display:flex;justify-content:space-between;margin-top:17px;gap:2px}.sidebar nav a{font-size:11px;padding:12px 8px;gap:6px;border-radius:8px 8px 0 0}.sidebar nav svg{width:15px;height:15px}.nav-dot,.nav-count{display:none!important}.workspace{margin-left:0}.topbar{padding:0 21px;height:61px}.mode-pill{display:none}.topbar-right{gap:0}.topbar .button{padding:7px 10px;font-size:10px}.breadcrumb{font-size:11px}main{padding:25px 20px}.intro{padding-bottom:30px}.intro .eyebrow{font-size:8px;letter-spacing:1.6px}.intro h1{font-size:29px;line-height:1.5}.intro h1 br{display:block}.intro-description{font-size:12px}.intro-links>span{font-size:9px}.featured{padding:20px}.featured-quote{font-size:23px}.featured-top span:last-child{font-size:6px}.featured-bottom{font-size:9px}.catalog-title{margin-bottom:15px}.filter-bar{flex-wrap:wrap;gap:9px}.search-box{flex-basis:100%}.filter-bar select{flex:1;max-width:none;padding:9px 12px;font-size:11px}.type-tabs{gap:21px}.type-tabs button{font-size:11px}.type-tabs .text-button{font-size:10px}.pack-grid{gap:12px}.card-cover{height:80px;padding:15px}.cover-topic{font-size:9px;letter-spacing:.6px}.cover-topic small{font-size:6px;letter-spacing:.3px}.cover-mark{font-size:33px}.card-body{padding:14px 12px}.card-body h3{font-size:13px;min-height:43px}.card-description{font-size:10px;min-height:36px}.card-tags{gap:4px}.tag{font-size:8px;padding:2px 4px}.card-footer{padding:10px 12px;font-size:9px}.author-avatar{display:none}.card-type{font-size:8px}.catalog-footer{font-size:10px;text-align:left}.inner-view h1{font-size:28px}.lead{font-size:12px}.form-panel{padding:18px}.form-grid{gap:15px 12px}.form-grid label{font-size:11px}.contribution-aside{grid-template-columns:1fr}.aside-card{margin:0}.guide-card{padding:22px}.repo-form{flex-wrap:wrap}.repo-form label{flex-basis:100%}.toast{left:50%;width:max-content}.detail-header h2{font-size:21px}dialog{padding:21px;width:calc(100% - 24px);border-radius:14px;max-height:93vh}.detail-content-head{flex-wrap:wrap}.detail-search input{width:170px}.sentence-en{font-size:15px}.word-table td,.word-table th{padding:10px 5px}.word-table th:last-child{width:25%}.word-table{font-size:11px}.detail-actions{flex-wrap:wrap}}
@media(max-width:370px){.pack-grid{grid-template-columns:1fr}.sidebar nav a{font-size:10px;padding:10px 5px}.form-grid{grid-template-columns:1fr}.form-grid label{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}
/* Cloud community keeps its own account and data namespace. */
.cloud-account-panel{border:1px solid var(--line,#dce6e2);border-radius:16px;padding:24px;background:#fff;margin:24px 0 30px}
.cloud-account-intro strong{font-size:14px}.cloud-account-intro p{font-size:12px;color:#6a7b76;margin:9px 0 20px}.cloud-account-intro .status-dot{display:inline-block;margin-right:8px}
.github-auth{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.github-auth .button{min-height:44px}.github-auth p{margin:0;color:#61776f;font-size:13px;line-height:1.7}.auth-divider{display:flex;align-items:center;gap:14px;color:#6a7b76;font-size:12px;margin:24px 0 18px}.auth-divider:after{content:"";flex:1;height:1px;background:#dce6e2}#cloud-auth[hidden]{display:none}
.cloud-auth-form{display:grid;grid-template-columns:1fr 1fr auto;gap:16px;align-items:end}.cloud-auth-form label{display:grid;gap:7px;font-size:12px}.cloud-auth-form input{width:100%;padding:12px;border:1px solid #d5dfda;border-radius:8px;font:inherit}
.cloud-auth-form .form-actions{margin:0}.cloud-auth-hint{grid-column:1/-1;color:#6a7b76;font-size:12px;line-height:1.7}.cloud-account{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.cloud-account .mode-pill{margin-left:12px}
.cloud-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center}.cloud-tabs{display:flex;gap:5px;flex-wrap:wrap}.cloud-tabs button{border:0;background:transparent;padding:11px 18px;border-radius:8px;color:#61776f;font:inherit;cursor:pointer}.cloud-tabs button[aria-pressed=true]{background:#e3eeE8;color:#1b5040;font-weight:650}
.cloud-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}.cloud-card{min-width:0;background:#fff;border:1px solid #dce6e2;border-radius:14px;padding:24px;overflow-wrap:anywhere}.cloud-card h3{font-size:20px;margin:18px 0 12px}.cloud-card p{font-size:14px;line-height:1.8;color:#60716a}.cloud-card .form-actions{gap:8px;flex-wrap:wrap}.cloud-card-head{display:flex;justify-content:space-between;gap:12px;align-items:center}.cloud-status{font-size:11px;background:#edf1ee;border-radius:5px;padding:5px 8px;color:#586a62}.cloud-status.published{color:#236d4e;background:#e2f0e7}.cloud-status.pending{color:#86662c;background:#f5eddc}.cloud-card textarea{width:100%;margin-top:16px;padding:10px;border:1px solid #dce6e2;border-radius:8px;font:inherit}.cloud-editing{display:flex;justify-content:space-between;gap:12px;padding:14px;background:#e6f0eb;border-radius:8px;font-size:12px;margin-top:20px}
#publish-dialog{width:min(540px,90vw);padding:30px;border:1px solid #dce6e2;border-radius:16px}#publish-dialog::backdrop{background:#16302766}#publish-dialog p{font-size:14px;line-height:1.7;color:#61776f}button:disabled{opacity:.5;cursor:not-allowed}.cloud-account[hidden],.cloud-auth-form[hidden],.cloud-editing[hidden]{display:none}
@media(max-width:1050px){.cloud-auth-form{grid-template-columns:1fr 1fr}.cloud-auth-form .form-actions{grid-column:1/-1}.cloud-grid{grid-template-columns:1fr}}
@media(max-width:600px){.cloud-account-panel{padding:18px}.cloud-auth-form{grid-template-columns:1fr}.cloud-account{align-items:flex-start}.cloud-tabs button{padding:10px;font-size:13px}.cloud-card{padding:20px}.cloud-account strong{overflow-wrap:anywhere}}

/* Community library and contribution flow */
.origin-tag{background:#e8f4ef;color:#397b67;font-weight:600}.public-sync{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:-4px 0 20px;color:var(--muted);font-size:11px}.public-sync .text-button{flex-shrink:0}.upload-success{display:flex;gap:17px;padding:24px;margin-top:20px;background:#eaf5ef;border:1px solid #cce4d6;border-radius:13px}.success-mark{display:grid;place-content:center;flex-shrink:0;width:34px;height:34px;background:#cce7d9;color:#206b4d;border-radius:50%;font-size:20px}.upload-success h3{font-size:16px;overflow-wrap:anywhere}.upload-success p{color:#5a7a6a;margin:8px 0 17px;font-size:12px}.guide-journey{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 28px;padding:24px 28px;background:#e7f1ed;border:1px solid #d4e5dd;border-radius:14px}.guide-journey span{display:flex;align-items:center;gap:12px;font-weight:600;white-space:nowrap}.guide-journey b{font:500 25px/1 var(--display);color:#77a495}.guide-journey i{font-style:normal;color:#90ada2}.guide-states{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:21px}.guide-states p{font-size:12px!important;line-height:1.8}.guide-card>.button{margin-top:16px}.filter-bar .search-box{min-width:180px}.filter-bar select{min-width:0}.inline-link{overflow-wrap:anywhere}
@media(min-width:701px) and (max-width:1150px){.filter-bar{flex-wrap:wrap}.filter-bar .search-box{flex-basis:100%}.filter-bar select{flex:1;max-width:none}.guide-journey{flex-wrap:wrap}.guide-journey span{font-size:12px;gap:8px}.guide-journey b{font-size:21px}.guide-states{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.guide-journey{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:22px}.guide-journey i{display:none}.guide-journey span{font-size:12px;gap:9px}.guide-journey b{font-size:22px}.guide-states{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.public-sync{align-items:flex-start;font-size:10px}.filter-bar select{font-size:11px;padding:10px 20px 10px 9px}.upload-success{padding:18px;gap:11px}.upload-success .button{font-size:12px}.cloud-account-intro p{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Embedded inside the learning app: its own sidebar supplies navigation. */
body.is-embedded .sidebar,body.is-embedded .mobile-nav{display:none}body.is-embedded .workspace{margin-left:0}body.is-embedded .topbar{padding:0 24px}body.is-embedded main{padding:24px;margin-left:0;width:auto}body.is-embedded{min-width:0}

/* Community interaction and administration */
[hidden]{display:none!important}.github-star{display:inline-flex;align-items:center;gap:7px;color:var(--ink);text-decoration:none;font-size:12px;white-space:nowrap;padding:9px 12px;border:1px solid #d8e1da;border-radius:8px;background:#fff}.github-star svg{width:16px;height:16px}.github-star:hover{border-color:#54836c;background:#edf5f0}.card-social{display:flex;align-items:center;gap:15px;padding:0 24px 17px;color:#65796d;font-size:12px}.card-social button{margin-left:auto;font-size:12px}.detail-social{border-top:1px solid #dce5de;margin-top:26px;padding-top:24px;scroll-margin:20px}.detail-social-actions{display:contents}#social-downloads{font-size:12px;white-space:nowrap;padding:0 3px}#social-comments-title:focus{outline:none}.detail-social h3{margin:22px 0 16px}.comment-form{display:grid;gap:10px;justify-items:start}.comment-form textarea{box-sizing:border-box;width:100%;padding:14px;border:1px solid #ccdacf;border-radius:8px;font:inherit;resize:vertical}.comment{padding:18px 0;border-bottom:1px solid #e4eae5}.comment-head{display:flex;justify-content:space-between;gap:12px;font-size:12px}.comment time{color:#748478}.comment p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:14px;margin:9px 0}.danger{color:#a44437}.comment .text-button{font-size:12px}#admin-edit-dialog{box-sizing:border-box;width:min(880px,94vw);max-height:90vh;overflow:auto;padding:28px;border:1px solid #dce6e2;border-radius:16px}#admin-edit-dialog::backdrop{background:#16302766}#admin-edit-form{display:grid;gap:18px}#admin-edit-form label{display:grid;gap:8px;font-size:13px}#admin-edit-form textarea{width:100%;box-sizing:border-box;resize:vertical;padding:12px;border:1px solid #d0ddd3;border-radius:8px;font:12px/1.6 ui-monospace,monospace}#admin-edit-save{justify-self:start}.cloud-tabs{align-items:center}#admin-grid .form-actions{align-items:center}
@media(max-width:700px){.topbar{gap:8px}.topbar-right{gap:6px}.github-star{padding:8px;font-size:11px}.breadcrumb{display:none}.topbar-right{width:100%;justify-content:space-between}.card-social{padding:0 20px 16px;gap:12px}.comment-head{flex-wrap:wrap}.filter-bar{flex-wrap:wrap}.filter-bar select{flex:1}.filter-bar .search-box{flex-basis:100%}}
@media(max-width:700px){.sidebar nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding-bottom:10px}.sidebar nav a{white-space:nowrap;justify-content:center;padding:10px 4px;gap:5px;border-radius:8px}.topbar-right .mode-pill{display:inline-block;font-size:10px;letter-spacing:0;padding:5px 8px}.card-social{gap:7px;padding:0 12px 13px;flex-wrap:wrap;font-size:10px}.card-social button{font-size:10px}.card-social span{white-space:nowrap}}