[hidden]{display:none!important}
:root{
  --blue:#0b86e6;--blue-2:#159ef0;--cyan:#15c4d4;--navy:#17243a;--ink:#1c2a3f;--muted:#718198;
  --line:#dbe6f0;--line-strong:#cbdceb;--bg:#f4f8fc;--panel:#ffffff;--soft:#f8fbfe;
  --good:#1f9b65;--bad:#cb4057;--warn:#d17c24;
  --shadow-sm:0 8px 24px rgba(29,75,118,.07);--shadow:0 22px 60px rgba(29,75,118,.11);--shadow-lg:0 34px 90px rgba(23,59,96,.18);
  --ease:cubic-bezier(.2,.75,.25,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}
body{position:relative;overflow-x:hidden;background:
  radial-gradient(circle at 10% 8%,rgba(30,169,236,.10),transparent 25%),
  radial-gradient(circle at 91% 13%,rgba(24,197,212,.09),transparent 20%),
  linear-gradient(180deg,#f9fcff 0%,#f1f6fb 52%,#eef4f9 100%)}
body:before,body:after{content:"";position:fixed;pointer-events:none;z-index:0;border:1px solid rgba(55,136,201,.08);border-radius:50%}
body:before{width:560px;height:560px;left:-360px;top:140px;box-shadow:0 0 0 90px rgba(255,255,255,.18)}
body:after{width:700px;height:700px;right:-470px;bottom:-350px;box-shadow:0 0 0 110px rgba(255,255,255,.14)}
button,input,textarea{font:inherit}
button,a,input,textarea,summary,.dropzone{transition:color .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .28s var(--ease),transform .28s var(--ease),opacity .24s var(--ease)}

/* Header */
.topbar{position:sticky;top:0;z-index:50;padding:0;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(206,221,234,.9);box-shadow:0 7px 26px rgba(33,72,108,.07);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.topbar:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,#13c7d4 0%,#0c98ea 48%,#0876d4 100%)}
.topbar-inner{width:min(1440px,calc(100% - 40px));height:76px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px;min-width:0}
.brand-mark{width:52px;height:52px;flex:0 0 52px;display:grid;place-items:center;border-radius:15px;background:#fff;border:1px solid #dce7f0;box-shadow:0 8px 22px rgba(30,80,124,.08);overflow:hidden}
.brand-mark img{display:block!important;width:42px!important;height:46px!important;max-width:42px!important;max-height:46px!important;object-fit:contain!important}
.brand h1{margin:0;font-size:20px;line-height:1.15;font-weight:800;letter-spacing:-.025em;color:#172740;white-space:nowrap}
.topbar-actions{display:flex;align-items:center;gap:12px}
.language-switch{display:inline-flex;align-items:center;padding:4px;border-radius:14px;background:#f0f5fa;border:1px solid #d8e4ee;box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}
.lang-btn{position:relative;min-width:46px;border:0;padding:8px 13px;border-radius:10px;background:transparent;color:#62758c;font-size:12px;font-weight:900;letter-spacing:.04em;cursor:pointer;overflow:hidden}
.lang-btn:hover{color:#0c78c8;background:rgba(255,255,255,.72);box-shadow:0 5px 16px rgba(30,105,164,.10)}
.lang-btn.active{background:#fff;color:#0a78c9;box-shadow:0 6px 16px rgba(31,94,145,.14)}
.lang-btn.active:after{content:"";position:absolute;left:25%;right:25%;bottom:3px;height:2px;border-radius:999px;background:linear-gradient(90deg,#1ac3d5,#0d88e7)}
.health{height:40px;padding:0 13px;border:1px solid #d9e6ef;border-radius:13px;background:#fff;color:#52677d;font-weight:750;font-size:12px;display:flex;align-items:center;gap:8px;box-shadow:0 5px 15px rgba(35,72,110,.05)}
.health-dot{width:8px;height:8px;border-radius:50%;background:#e9b43d;box-shadow:0 0 0 5px rgba(233,180,61,.12)}
.health.ok .health-dot{background:#28ad73;box-shadow:0 0 0 5px rgba(40,173,115,.12)}
.health.bad .health-dot{background:#e25467;box-shadow:0 0 0 5px rgba(226,84,103,.12)}

/* Layout */
.page{position:relative;z-index:1;width:min(1380px,calc(100% - 36px));margin:28px auto 64px;display:grid;gap:22px}
.panel{background:rgba(255,255,255,.96);border:1px solid rgba(210,223,234,.94);border-radius:24px;box-shadow:var(--shadow);backdrop-filter:blur(10px);overflow:hidden}

/* V7.18.0 — heavy-workspace scroll containment. The four data-heavy pages used large
   translucent .panel surfaces with backdrop blur. Sampling the fixed page backdrop while
   scrolling is disproportionately expensive and adds no meaningful visual value at .96 opacity. */
#studioPage .panel,#classesPage .panel,#themesPage .panel,#maintenancePage .panel{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
.project-list .project,.class-list .class-card,.class-projects .class-project-choice-row{content-visibility:auto;contain:layout style paint}
.project-list .project{contain-intrinsic-size:auto 116px}
.class-list .class-card{contain-intrinsic-size:auto 300px}
.class-projects .class-project-choice-row{contain-intrinsic-size:auto 48px}
.project-list .project:focus-within,.class-list .class-card:focus-within,.class-projects .class-project-choice-row:focus-within{content-visibility:visible}
.upload-panel,.list-panel{padding:28px}
.section-title{display:flex;align-items:flex-start;justify-content:space-between;gap:22px;margin-bottom:22px}
.section-title h2{margin:5px 0 0;font-size:27px;line-height:1.15;letter-spacing:-.035em;color:#172740}
.eyebrow{font-size:10px;font-weight:950;letter-spacing:.16em;color:#1478c3}
.privacy{font-size:12px;color:#3e725c;background:#f0faf5;border:1px solid #d4ede1;padding:8px 12px;border-radius:999px;white-space:nowrap}

/* Share-link feature */
.source-card{position:relative;border:1px solid #d7e7f3;border-radius:21px;background:linear-gradient(145deg,#ffffff 0%,#f6fbff 62%,#f1fbfc 100%);padding:21px;overflow:hidden}
.source-card:after{content:"";position:absolute;right:-90px;top:-120px;width:270px;height:270px;border-radius:50%;background:radial-gradient(circle,rgba(17,168,233,.10),rgba(17,168,233,0) 68%);pointer-events:none}
.featured-source{box-shadow:inset 4px 0 0 #1498ed,0 10px 28px rgba(39,104,155,.05)}
.source-heading{position:relative;z-index:1;display:flex;align-items:center;gap:13px;margin-bottom:16px}
.source-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,#e8f7ff,#e8fcfc);color:#1288d7;font-size:21px;font-weight:900;border:1px solid #d8ebf7;box-shadow:0 8px 20px rgba(22,120,184,.07)}
.source-heading>div:last-child{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.source-heading h3{margin:0;font-size:18px;letter-spacing:-.02em}
.beta-badge{padding:5px 8px;border-radius:999px;background:#e8f4ff;color:#1d73b8;border:1px solid #cae4f8;font-size:9px;font-weight:950;letter-spacing:.08em}
.field{display:grid;gap:7px;min-width:0}.field>span{font-size:13px;font-weight:800;color:#20334b}.field small{font-weight:500;color:var(--muted)}
input,textarea{width:100%;border:1px solid #d4e1ec;border-radius:13px;padding:12px 14px;color:var(--ink);background:#fff;outline:none;min-width:0;box-shadow:inset 0 1px 0 rgba(20,53,84,.02)}
input:hover,textarea:hover{border-color:#bfd5e6}
input:focus,textarea:focus{border-color:#52a7eb;box-shadow:0 0 0 4px rgba(20,145,230,.10),0 8px 20px rgba(29,97,151,.05)}
.share-import-fields{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(240px,.78fr) auto;gap:12px;align-items:end}
.share-import-button{min-height:45px;white-space:nowrap}
.share-import-note{position:relative;z-index:1;margin:12px 0 0;color:#76889d;font-size:11px}.share-import-note:before{content:"ⓘ ";color:#1a7fc7;font-weight:900}
.share-url-field input{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px}
.import-divider{display:flex;align-items:center;gap:13px;margin:23px 0 19px;color:#8a99ab;font-size:10px;font-weight:900;letter-spacing:.15em}.import-divider:before,.import-divider:after{content:"";height:1px;flex:1;background:#e1e9f0}
.file-upload-form{padding:0 1px}
.drop-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin-top:17px}
.dropzone{position:relative;min-height:190px;padding:24px 19px;border:1.5px dashed #c5d8e8;border-radius:20px;background:linear-gradient(180deg,#fbfdff,#f7fbfe);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;cursor:pointer;outline:none;overflow:hidden}
.dropzone:before{content:"";position:absolute;inset:-60%;background:radial-gradient(circle at center,rgba(21,155,236,.13),transparent 42%);opacity:0;transform:scale(.7);transition:opacity .35s var(--ease),transform .35s var(--ease);pointer-events:none}
.dropzone:hover,.dropzone.dragging{border-color:#56a9e9;background:#f2f9ff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(31,111,173,.10)}
.dropzone:hover:before,.dropzone.dragging:before{opacity:1;transform:scale(1)}
.dropzone:focus-visible{border-color:#238fe1;box-shadow:0 0 0 4px rgba(21,153,245,.12)}
.dropzone input{display:none}.dropzone strong{position:relative;font-size:17px;letter-spacing:-.015em}.dropzone .drop-icon{position:relative;width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:#eaf5ff;color:#0e86dc;font-size:24px;font-weight:900;border:1px solid #d9ebf8;box-shadow:0 8px 18px rgba(26,112,170,.06)}
.dropzone .drop-instruction{position:relative;color:var(--muted);font-size:13px}
.dropzone.dragging{border-style:solid}.dropzone.dragging .drop-icon{transform:translateY(-3px) scale(1.08);background:#128ee6;color:#fff;box-shadow:0 0 0 7px rgba(18,142,230,.10),0 12px 28px rgba(18,142,230,.22)}
.dropzone.has-file{border-style:solid;border-color:#5baaf2;background:linear-gradient(180deg,#fcfeff,#eef8ff);box-shadow:0 12px 28px rgba(32,106,160,.08)}.dropzone.has-file .drop-icon{background:#29a36d;color:#fff;border-color:#29a36d}.dropzone.invalid{border-color:#d64f62;background:#fff6f7}
.file-state{position:relative;display:none;width:min(100%,430px);align-items:center;gap:10px;margin-top:8px;padding:10px 12px;border:1px solid #cfe1f2;border-radius:13px;background:#fff;box-shadow:0 7px 17px rgba(38,63,102,.06);text-align:left;color:var(--ink)}.dropzone.has-file .file-state,.dropzone.invalid .file-state{display:flex}.file-check{width:27px;height:27px;flex:0 0 27px;border-radius:50%;display:grid;place-items:center;background:#e6f7ef;color:#20845b;font-weight:900}.file-details{min-width:0;display:grid;gap:2px}.file-details b{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;color:#1f4267}.file-details em{font-style:normal;font-size:11px;color:var(--muted)}
.form-actions{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-top:19px}.advanced-settings{min-width:280px;border:1px solid #dce5ef;border-radius:14px;background:#fbfdff;padding:0}.advanced-settings summary{cursor:pointer;padding:11px 13px;font-size:12px;font-weight:850;color:#52647b}.advanced-settings summary:hover{color:#1677bd;background:#f5faff;border-radius:14px}.advanced-settings[open] summary{border-bottom:1px solid #e5ebf2;border-radius:14px 14px 0 0}.advanced-settings .field{padding:12px}.api-key{width:min(390px,100%)}

/* Buttons and micro-interactions */
button,.primary-link,.download-button{position:relative;border:none;border-radius:13px;padding:11px 16px;font-weight:850;cursor:pointer;text-decoration:none;overflow:hidden}
button:before,.primary-link:before,.download-button:before{content:"";position:absolute;top:-70%;left:-45%;width:42%;height:240%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.52),transparent);transform:translateX(-180%) rotate(15deg);transition:transform .65s var(--ease);pointer-events:none}
button:hover:before,.primary-link:hover:before,.download-button:hover:before{transform:translateX(430%) rotate(15deg)}
.primary{background:linear-gradient(90deg,#159af4,#0b82df);color:#fff;box-shadow:0 9px 22px rgba(17,139,224,.20)}
.primary:hover,.primary-link:hover{transform:translateY(-2px);box-shadow:0 15px 32px rgba(17,139,224,.29),0 0 0 5px rgba(17,139,224,.07)}
.primary:active,.primary-link:active{transform:translateY(0) scale(.985)}
.secondary{background:#fff;color:#39536f;border:1px solid #d6e1eb;box-shadow:0 4px 12px rgba(31,64,99,.04)}.secondary:hover{border-color:#9ec8e8;color:#0e79c7;transform:translateY(-1px);box-shadow:0 10px 25px rgba(35,102,155,.10),0 0 0 4px rgba(24,143,220,.05)}
.primary:disabled,button:disabled{opacity:.48;cursor:not-allowed;transform:none!important;box-shadow:none!important}.icon-text-btn{display:flex;align-items:center;gap:7px}
.progress{display:flex;align-items:center;gap:14px;margin-top:18px;padding:16px;border-radius:16px;background:#eff8ff;border:1px solid #dceefa;box-shadow:0 8px 24px rgba(28,102,154,.06)}.share-progress{margin-top:14px;background:linear-gradient(180deg,#eff9ff,#eaf6ff);border-color:#cfe7f8}.upload-progress{margin-top:18px}.spinner{width:32px;height:32px;border:4px solid #cde8fb;border-top-color:#118be5;border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress p{margin:3px 0;color:var(--muted)}.message{margin-top:16px;padding:13px 14px;border-radius:14px;background:#fff1f3;color:#9d2f42;border:1px solid #f3cad1}

/* Library */
.project-list{display:grid;gap:12px}.project{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px;border:1px solid #dfe8f0;border-radius:18px;background:linear-gradient(180deg,#fff,#fbfdff);box-shadow:0 5px 15px rgba(34,72,108,.025)}.project:hover{border-color:#bdd7e9;transform:translateY(-2px);box-shadow:0 15px 32px rgba(31,89,137,.09)}.project h3{margin:0 0 8px;font-size:16px;letter-spacing:-.015em}.meta{display:flex;gap:7px;flex-wrap:wrap}.meta span,.status{padding:5px 8px;border-radius:999px;background:#edf3fa;color:#52647d;font-size:10px;font-weight:850}.status.validated,.status.published{background:#e8f8f0;color:#21764f}.status.needs_review,.status.failed{background:#fff0f2;color:#aa3549}.status.sync.current{background:#ebf8ef;color:#1d7d4d}.status.sync.outdated{background:#fff4dc;color:#986100}.project-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.project-actions button,.project-actions a{position:relative;font-size:11px;padding:8px 11px;border-radius:11px;border:1px solid #d7e1ec;background:#fff;color:#36506e;text-decoration:none;font-weight:850;cursor:pointer;overflow:hidden}.project-actions button:hover,.project-actions a:hover{border-color:#9fc8e7;color:#0b76c2;background:#f7fbff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(25,99,156,.09),0 0 0 4px rgba(24,142,219,.05)}.project-actions .details{background:#edf7ff;color:#176ba9;border-color:#cbe3f6}.project-actions .delete{color:#a93247}.project-actions .delete:hover{border-color:#e5b4be;background:#fff7f8;color:#b3233e}.empty{padding:36px;text-align:center;color:var(--muted)}

dialog{border:none;padding:0;border-radius:24px;box-shadow:0 32px 90px rgba(23,39,63,.28);max-height:94vh}dialog::backdrop{background:rgba(31,42,60,.48);backdrop-filter:blur(5px)}.close{position:absolute;right:17px;top:15px;width:38px;height:38px;border-radius:50%;font-size:22px;background:#eef3f8;color:#42536b;padding:0;z-index:5}.review-dialog{width:min(1480px,96vw);padding:24px;overflow:auto}.review-dialog header h2{margin:5px 0}.review-dialog header p{margin:0 0 18px;color:var(--muted)}.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.preview-card{border:1px solid var(--line);border-radius:18px;padding:12px;background:#f8fafc}.preview-card h3{margin:0 0 10px;font-size:15px}.image-stage{height:540px;overflow:auto;display:grid;place-items:center;background:#fff;border-radius:12px}.image-stage img{max-width:100%;max-height:100%;object-fit:contain}.preview-card iframe{width:100%;height:540px;border:0;border-radius:12px;background:#fff}.diagnostics,.label-editor{margin-top:16px;padding:17px;border:1px solid var(--line);border-radius:18px}.diagnostic-head{display:flex;align-items:center;justify-content:space-between}.diagnostic-head h3,.label-editor h3{margin:0}.badge{padding:7px 10px;border-radius:999px;font-size:12px;font-weight:900}.badge.good{background:#e9f8f0;color:#21764f}.badge.bad{background:#ffedf0;color:#a53247}.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:13px}.metric{padding:12px;border-radius:13px;background:#f2f6fb;text-align:center}.metric b{display:block;font-size:22px}.metric span{font-size:10px;color:var(--muted);font-weight:800}.issue-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.issue-grid h4{margin-bottom:6px}.issue-grid ul{margin:0;padding-left:20px;color:var(--muted);min-height:20px}.validation-shot{display:block;max-width:100%;max-height:360px;margin:14px auto 0;border:1px solid var(--line);border-radius:12px}.label-editor p{color:var(--muted)}.branch-inputs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}.label-actions{display:flex;gap:9px;flex-wrap:wrap}.review-actions{display:flex;align-items:center;gap:12px;margin-top:17px}.review-actions a{color:#2279ca;font-weight:800}.published-dialog{width:min(760px,94vw);padding:30px;overflow:auto}.published-dialog h2{text-align:center;margin-bottom:6px}.published-dialog>p{text-align:center;color:var(--muted);margin-top:0}.success{display:grid;place-items:center;margin:auto;width:58px;height:58px;border-radius:50%;background:#e6f7ef;color:#21815a;font-size:28px}.published-fields{display:grid;gap:12px;margin-top:16px}.published-dialog label{display:grid;gap:6px;font-weight:800}.published-dialog label>span{font-size:13px}.copy-row{display:flex;gap:7px}.copy-row input,.copy-row textarea{flex:1;min-width:0}.copy-row textarea{height:78px;resize:vertical}.copy-row button,.download-button{background:#edf5fc;color:#2e618e;white-space:nowrap}.download-button{display:inline-flex;align-items:center;justify-content:center}.primary-link{display:block;margin-top:18px;text-align:center;background:linear-gradient(90deg,#1599f5,#0b83df);color:#fff}.copy-row .copied{background:#e5f7ef;color:#21764f}


/* Dialog polish */
dialog{border-radius:24px!important;box-shadow:var(--shadow-lg)!important;border:1px solid rgba(215,225,235,.85)!important}
dialog::backdrop{background:rgba(25,38,57,.46)!important;backdrop-filter:blur(7px)!important;-webkit-backdrop-filter:blur(7px)!important}
.close:hover{background:#e4f2fc!important;color:#0e78c3!important;transform:rotate(6deg) scale(1.04);box-shadow:0 8px 20px rgba(25,95,149,.12)}
.preview-card,.diagnostics,.label-editor{background:#fbfdff!important;border-color:#dbe6ef!important}
.copy-row button,.download-button{background:#edf6fd!important;color:#2d628e!important}.copy-row button:hover,.download-button:hover{background:#e2f1fc!important;color:#0f77bf!important;box-shadow:0 8px 20px rgba(24,104,164,.10)}
.primary-link{background:linear-gradient(90deg,#159af4,#0b82df)!important;color:#fff!important;box-shadow:0 9px 22px rgba(17,139,224,.20)}

@media(max-width:1050px){
  .share-import-fields{grid-template-columns:1fr}.share-import-button{width:100%}.drop-grid,.review-grid,.issue-grid{grid-template-columns:1fr}.form-actions{display:grid}.advanced-settings,.api-key{width:100%;min-width:0}.metric-grid{grid-template-columns:repeat(2,1fr)}.branch-inputs{grid-template-columns:1fr}.project{align-items:flex-start;flex-direction:column}.image-stage,.preview-card iframe{height:430px}.section-title{align-items:flex-start}.privacy{display:none}
}
@media(max-width:760px){
  .topbar-inner{width:min(100% - 24px,1440px);height:auto;min-height:72px;padding:10px 0;gap:10px}.brand-mark{width:46px;height:46px;flex-basis:46px}.brand-mark img{width:37px!important;height:41px!important;max-width:37px!important;max-height:41px!important}.brand h1{font-size:17px}.health{display:none}.page{width:min(100% - 20px,1380px);margin-top:18px}.upload-panel,.list-panel{padding:20px}.section-title h2{font-size:23px}.topbar-actions{gap:8px}.lang-btn{min-width:42px;padding:8px 10px}.copy-row{flex-wrap:wrap}.copy-row button,.download-button{flex:1}.published-dialog{padding:22px}.project-actions{justify-content:flex-start}
}
@media(max-width:480px){
  .brand h1{font-size:15px;white-space:normal}.brand{gap:9px}.brand-mark{width:42px;height:42px;flex-basis:42px;border-radius:13px}.brand-mark img{width:34px!important;height:38px!important;max-width:34px!important;max-height:38px!important}.language-switch{padding:3px}.lang-btn{font-size:11px;min-width:38px;padding:7px 8px}.source-card{padding:17px}.dropzone{min-height:170px}.section-title{margin-bottom:17px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}

/* V3.5 brand reveal + native in-app confirmation */
.brand-logo-link{display:block;text-decoration:none;flex:0 0 auto;outline:none}
.brand-logo-shell{height:54px;width:54px;display:flex;align-items:center;overflow:hidden;border-radius:16px;background:#fff;border:1px solid #dce7f0;box-shadow:0 8px 22px rgba(30,80,124,.08);transition:width .42s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);will-change:width}
.brand-logo-link:hover .brand-logo-shell,.brand-logo-link:focus-visible .brand-logo-shell{width:238px;border-color:#b8d9ec;box-shadow:0 14px 34px rgba(25,105,162,.14),0 0 0 5px rgba(21,153,230,.055)}
.brand-logo-shell .brand-mark{width:52px;height:52px;flex:0 0 52px;border:0;box-shadow:none;background:transparent;border-radius:15px}
.brand-logo-shell .brand-mark img{width:42px!important;height:46px!important;max-width:42px!important;max-height:46px!important;object-fit:contain!important}
.brand-full{width:0;opacity:0;transform:translateX(-10px);display:flex;align-items:center;overflow:hidden;transition:opacity .22s ease .05s,transform .34s var(--ease),width .34s var(--ease)}
.brand-logo-link:hover .brand-full,.brand-logo-link:focus-visible .brand-full{width:170px;opacity:1;transform:translateX(0)}
.brand-full img{display:block;width:160px;height:47px;object-fit:contain;object-position:left center}
.confirm-dialog{width:min(470px,92vw);padding:30px;text-align:center;overflow:visible}
.confirm-icon{width:58px;height:58px;margin:0 auto 14px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(145deg,#fff0f2,#ffe4e9);border:1px solid #f3c6cf;color:#c7344d;font-size:25px;font-weight:950;box-shadow:0 12px 30px rgba(177,54,76,.12)}
.confirm-dialog h2{margin:0;color:#182a40;font-size:22px;letter-spacing:-.025em}.confirm-dialog p{margin:10px auto 22px;max-width:360px;color:#6c7c90;line-height:1.55;font-size:13px}.confirm-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.danger{background:linear-gradient(180deg,#d94a60,#c93650);color:#fff;box-shadow:0 9px 22px rgba(191,48,72,.20)}.danger:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(191,48,72,.28),0 0 0 5px rgba(207,57,81,.07)}
@media(max-width:760px){.brand-logo-link:hover .brand-logo-shell,.brand-logo-link:focus-visible .brand-logo-shell{width:198px}.brand-full img{width:135px}.brand-logo-link:hover .brand-full,.brand-logo-link:focus-visible .brand-full{width:142px}}
@media(max-width:520px){.brand h1{display:none}.brand-logo-link:hover .brand-logo-shell,.brand-logo-link:focus-visible .brand-logo-shell{width:188px}.confirm-actions{grid-template-columns:1fr}}

/* V3.6 — Studio configuration controls and corrected expanding wordmark */
.brand-full img{width:166px;height:34px;object-fit:contain;object-position:left center}
.brand-logo-link:hover .brand-full,.brand-logo-link:focus-visible .brand-full{width:176px}
.brand-logo-link:hover .brand-logo-shell,.brand-logo-link:focus-visible .brand-logo-shell{width:244px}
.blurting-config-card{margin:0 0 22px;padding:20px;border:1px solid #d9e7f2;border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(246,251,255,.98));box-shadow:0 14px 38px rgba(35,91,135,.07);position:relative;overflow:hidden}
.blurting-config-card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(180deg,#21cad0,#178de4,#7c61e8);opacity:.9}
.config-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:16px}.config-head h3{font-size:19px;margin:5px 0 5px;color:#152d48}.config-head p{margin:0;color:#708196;font-size:12px;max-width:780px;line-height:1.55}.config-badge{display:inline-flex;margin:0}.config-reset{border:1px solid #d6e6f1;background:#fff;color:#2f688e;border-radius:12px;padding:9px 12px;font-weight:800;cursor:pointer;transition:.25s var(--ease);white-space:nowrap}.config-reset:hover{transform:translateY(-1px);border-color:#8dc9ec;box-shadow:0 10px 24px rgba(20,128,192,.12),0 0 0 4px rgba(33,177,231,.06);color:#087dbd}
.mode-config-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mode-config-row{display:grid;grid-template-columns:minmax(145px,1fr) minmax(122px,.7fr);gap:10px;align-items:center;padding:12px;border:1px solid #e1ebf3;border-radius:16px;background:rgba(255,255,255,.86);transition:.22s var(--ease)}.mode-config-row:hover{border-color:#b8dcef;box-shadow:0 9px 24px rgba(25,104,157,.07)}.mode-config-row.disabled{opacity:.52;background:#f7f9fb}.mode-enable{display:flex;align-items:center;gap:10px;font-weight:850;color:#17334e;font-size:13px;cursor:pointer}.mode-enable input{accent-color:#1298de;width:17px;height:17px}.mode-timer-summary{display:flex;align-items:center;justify-content:flex-end;gap:7px}.mode-timer-summary label{font-size:10px;color:#718399;font-weight:800}.mode-default-select{border:1px solid #d4e2ed;border-radius:10px;background:#fff;padding:7px 8px;color:#24445f;font-weight:800;min-width:78px}.timer-chip-list{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:6px;padding-top:2px}.timer-option{position:relative}.timer-option input{position:absolute;opacity:0;pointer-events:none}.timer-option span{display:inline-flex;align-items:center;justify-content:center;min-width:48px;padding:6px 8px;border-radius:999px;border:1px solid #d8e5ee;background:#f8fbfd;color:#677b8f;font-size:10px;font-weight:850;cursor:pointer;transition:.18s ease}.timer-option input:checked+span{background:linear-gradient(135deg,#e8f9ff,#edf4ff);border-color:#82c9ee;color:#0879ba;box-shadow:0 4px 12px rgba(24,143,207,.09)}.mode-config-row.disabled .timer-chip-list,.mode-config-row.disabled .mode-timer-summary{pointer-events:none}
.node-policy{margin-top:12px;display:flex;align-items:center;gap:15px;flex-wrap:wrap;padding:13px 14px;border-radius:16px;background:#f7fbfe;border:1px solid #deebf4}.node-policy>div{margin-right:auto;min-width:220px}.node-policy strong{display:block;color:#1e3c56;font-size:12px}.node-policy>div span{display:block;color:#7b8da0;font-size:10px;margin-top:2px}.policy-choice{display:flex;align-items:center;gap:7px;padding:8px 10px;border-radius:12px;background:#fff;border:1px solid #d9e6ef;font-size:11px;font-weight:800;color:#456077;cursor:pointer}.policy-choice input{accent-color:#1399df}.fixed-node-field{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:800;color:#6a7e91}.fixed-node-field input{width:72px;border:1px solid #d4e2ed;border-radius:10px;padding:8px;text-align:center;font-weight:850;color:#25475f}.fixed-node-field.is-disabled{opacity:.42;pointer-events:none}
@media(max-width:900px){.mode-config-grid{grid-template-columns:1fr}.config-head{flex-direction:column}.config-reset{align-self:flex-start}.node-policy>div{width:100%}}

/* ===== V3.7 compact Studio options ===== */
.studio-tools-row{display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap;margin:16px 0 8px;position:relative;z-index:8}
.studio-tool{position:relative}
.studio-tool>summary{list-style:none;display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 16px;border:1px solid #d9e6f5;border-radius:14px;background:rgba(255,255,255,.94);box-shadow:0 8px 22px rgba(33,82,134,.07);font-weight:800;color:#184a78;cursor:pointer;user-select:none;transition:transform .22s cubic-bezier(.2,.75,.25,1),box-shadow .22s ease,border-color .22s ease,background .22s ease}
.studio-tool>summary::-webkit-details-marker{display:none}
.studio-tool>summary:hover,.studio-tool[open]>summary{transform:translateY(-2px);border-color:#93c9f3;background:#fff;box-shadow:0 12px 30px rgba(0,145,225,.15),0 0 0 4px rgba(36,176,235,.07)}
.tool-icon{display:grid;place-items:center;width:22px;height:22px;border-radius:8px;background:linear-gradient(145deg,#eaf8ff,#f3f0ff);color:#078bcf;font-size:13px}
.studio-tool-panel{position:absolute;left:0;top:calc(100% + 10px);width:min(1040px,calc(100vw - 44px));padding:18px;border:1px solid #d8e5f3;border-radius:20px;background:rgba(255,255,255,.985);box-shadow:0 24px 70px rgba(25,64,104,.2);backdrop-filter:blur(18px);animation:studioPanelIn .22s cubic-bezier(.2,.75,.25,1);z-index:30}
.advanced-panel{width:min(420px,calc(100vw - 44px))}
@keyframes studioPanelIn{from{opacity:0;transform:translateY(-8px) scale(.985)}to{opacity:1;transform:none}}
.config-head.compact{margin-bottom:14px}.config-head.compact h3{margin:4px 0 3px}.config-head.compact p{margin:0;max-width:720px}
.default-language-setting{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 16px;margin-bottom:14px;border:1px solid #e1ecf7;border-radius:16px;background:linear-gradient(135deg,#f9fcff,#f6fbff)}
.default-language-setting>div:first-child{display:flex;flex-direction:column;gap:3px}.default-language-setting span{font-size:12px;color:#73869b}
.segmented-mini{display:inline-flex;padding:3px;border:1px solid #d8e6f4;border-radius:12px;background:#edf6fc}.segmented-mini button{border:0;background:transparent;padding:7px 12px;border-radius:9px;font-weight:900;color:#577087;cursor:pointer;transition:.18s ease}.segmented-mini button.active{background:#fff;color:#057fc0;box-shadow:0 5px 14px rgba(25,116,171,.16)}
.mode-config-row{overflow:visible}.mode-config-top{display:flex;align-items:center;justify-content:space-between;gap:14px}.mode-node-config{display:grid;grid-template-columns:minmax(150px,.7fr) minmax(320px,1.5fr) minmax(120px,.5fr);align-items:center;gap:12px;margin-top:12px;padding-top:12px;border-top:1px dashed #dce7f2}.mode-node-config>div:first-child{display:flex;flex-direction:column;gap:2px}.mode-node-config small{color:#8291a2;font-size:11px}.node-policy-options{display:flex;flex-wrap:wrap;gap:7px}.node-policy-option{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border:1px solid #dfe8f1;border-radius:10px;background:#fff;font-size:12px;cursor:pointer}.node-policy-option input{accent-color:#149dd9}.mode-fixed-count{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#536a7d}.mode-fixed-count input{width:72px;border:1px solid #d8e4ef;border-radius:9px;padding:7px}.mode-fixed-count.is-disabled{opacity:.38;pointer-events:none}
@media(max-width:860px){.studio-tool-panel{position:fixed;left:14px;right:14px;top:90px;width:auto;max-height:calc(100vh - 110px);overflow:auto}.mode-node-config{grid-template-columns:1fr}.default-language-setting{align-items:flex-start;flex-direction:column}}

/* ===== V3.7 pre-publish full viewport preview ===== */
.review-grid.single-preview{grid-template-columns:minmax(0,1.15fr) minmax(280px,.55fr)}
.preview-launch-card{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;min-height:360px;padding:34px;background:radial-gradient(circle at 50% 20%,rgba(34,191,238,.13),transparent 42%),linear-gradient(145deg,#f8fcff,#f4f9ff)}
.preview-launch-card h3{font-size:22px;margin:8px 0}.preview-launch-card p{max-width:430px;color:#6a7e93;line-height:1.55;margin:0 0 20px}.preview-launch-icon{display:grid;place-items:center;width:72px;height:72px;border-radius:24px;background:linear-gradient(135deg,#1ac5df,#087fe4);color:#fff;font-size:30px;box-shadow:0 18px 38px rgba(7,137,213,.24)}
.draft-preview-dialog{margin:0;padding:0;border:0;width:100vw;height:100vh;height:100dvh;height:var(--studio-visual-height,100dvh);max-width:none;max-height:none;background:#07111d;overflow:hidden}
.draft-preview-dialog::backdrop{background:#07111d}
.draft-preview-dialog iframe{display:block;width:100%;height:100%;border:0;background:#fff}
.preview-minimize{position:fixed;right:22px;bottom:22px;bottom:calc(22px + env(safe-area-inset-bottom,0px));z-index:5;width:48px;height:48px;border:1px solid rgba(255,255,255,.62);border-radius:16px;background:rgba(8,31,52,.82);color:#fff;font-size:23px;box-shadow:0 15px 38px rgba(0,0,0,.3);backdrop-filter:blur(12px);cursor:pointer;transition:.2s cubic-bezier(.2,.75,.25,1)}
.preview-minimize:hover{transform:translateY(-3px) scale(1.04);background:#087fd0;box-shadow:0 18px 44px rgba(0,119,200,.4)}
@media(max-width:900px){.review-grid.single-preview{grid-template-columns:1fr}.preview-launch-card{min-height:250px}}
.upload-panel{overflow:visible}

/* ===== V3.8 — cleaner customization popovers and compact per-mode node controls ===== */
.upload-panel{position:relative;isolation:isolate}
.studio-tools-row{margin:18px 0 2px;justify-content:flex-start;z-index:1200}
.studio-tool{position:relative;z-index:1201}
.studio-tool[open]{z-index:1400}
.studio-tool-panel{
  position:fixed!important;
  left:50%!important;
  top:50%!important;
  width:min(1040px,calc(100vw - 42px))!important;
  max-height:min(760px,calc(100vh - 110px));
  overflow:auto;
  transform:translate(-50%,-50%)!important;
  z-index:1500!important;
  border:1px solid rgba(188,216,236,.95);
  background:rgba(255,255,255,.985);
  box-shadow:0 32px 100px rgba(15,55,93,.28),0 0 0 1px rgba(255,255,255,.65) inset;
  backdrop-filter:blur(22px) saturate(1.08);
}
.advanced-panel{width:min(430px,calc(100vw - 42px))!important}
.studio-tool-panel:before{content:"";position:sticky;display:block;top:-18px;height:1px;z-index:-1}
.mode-config-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.mode-config-row{padding:11px 12px;border-radius:15px;gap:8px;background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(248,252,255,.95))}
.mode-config-top{gap:10px}.mode-enable{font-size:12.5px}.mode-default-select{min-width:74px;padding:6px 8px;font-size:11px}
.timer-chip-list{gap:5px}.timer-option span{min-width:43px;padding:5px 7px;font-size:9.5px}
.mode-node-config{display:flex;align-items:center;gap:9px;margin-top:8px;padding-top:9px;min-width:0;flex-wrap:wrap}
.mode-node-config>div:first-child{min-width:128px;max-width:180px;flex:1 1 145px;gap:1px}
.mode-node-config>div:first-child strong{font-size:10.5px;color:#36556f}
.mode-node-config small{font-size:9px;line-height:1.25;color:#8898a8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.node-policy-options{display:inline-flex;gap:0;padding:3px;border:1px solid #dbe8f1;border-radius:11px;background:#f1f7fb;flex:0 1 auto}
.node-policy-option{position:relative;padding:0;border:0;background:transparent;border-radius:8px;font-size:10px;overflow:hidden}
.node-policy-option input{position:absolute;opacity:0;pointer-events:none}
.node-policy-option span{display:block;padding:6px 8px;border-radius:8px;color:#698094;font-weight:850;transition:.18s ease;white-space:nowrap}
.node-policy-option input:checked+span{background:#fff;color:#087cbd;box-shadow:0 4px 12px rgba(21,112,173,.14)}
.mode-fixed-count{margin-left:auto;gap:5px;font-size:10px;color:#61778a;background:#fff;border:1px solid #e0e9f1;padding:4px 6px 4px 8px;border-radius:10px}
.mode-fixed-count input{width:58px;padding:5px 6px;border-radius:7px;font-size:11px;text-align:center}
.mode-fixed-count.is-disabled{display:none}
@media(max-width:900px){.studio-tool-panel{top:52%!important;max-height:calc(100vh - 90px)}.mode-config-grid{grid-template-columns:1fr}.mode-node-config>div:first-child{max-width:none}.mode-fixed-count{margin-left:0}}

/* V3.9 — Rush per-round timing control */
.mode-extra-config{display:flex;align-items:center;gap:10px;margin-top:8px;padding-top:9px;border-top:1px dashed #dce7f2;flex-wrap:wrap}
.mode-extra-config>div:first-child{min-width:150px;flex:1 1 180px;display:flex;flex-direction:column;gap:2px}
.mode-extra-config strong{font-size:10.5px;color:#36556f}.mode-extra-config small{font-size:9px;line-height:1.3;color:#8898a8}
.rush-round-config .mode-fixed-count{margin-left:auto}
@media(max-width:900px){.mode-extra-config{align-items:flex-start}.rush-round-config .mode-fixed-count{margin-left:0}}

/* ===== V4.0 — private workspaces, profile/settings and polished dark mode ===== */
:root{color-scheme:light}
html[data-theme="dark"]{color-scheme:dark}
.brand{min-width:0}.brand-writing-hand{width:76px;height:50px;object-fit:contain;object-position:left center;margin-left:2px;filter:drop-shadow(0 5px 12px rgba(147,62,167,.08));transition:transform .24s cubic-bezier(.2,.75,.25,1),filter .24s ease}.brand:hover .brand-writing-hand{transform:translateX(3px) rotate(-1deg);filter:drop-shadow(0 8px 18px rgba(141,62,196,.14))}
.topbar-icon{width:42px;height:42px;border:1px solid #d9e7f4;border-radius:14px;background:rgba(255,255,255,.92);display:grid;place-items:center;color:#315876;cursor:pointer;box-shadow:0 7px 20px rgba(23,75,116,.07);transition:.2s cubic-bezier(.2,.75,.25,1)}.topbar-icon:hover{transform:translateY(-2px);border-color:#9bd6f2;color:#0785c9;box-shadow:0 12px 28px rgba(13,135,202,.16),0 0 0 4px rgba(44,182,232,.06)}
.theme-toggle{position:relative;font-size:18px}.theme-toggle .theme-moon{display:none}html[data-theme="dark"] .theme-toggle .theme-sun{display:none}html[data-theme="dark"] .theme-toggle .theme-moon{display:block}
.profile-wrap{position:relative}.profile-button{width:44px;height:44px;border:0;border-radius:50%;background:linear-gradient(145deg,#08a9d9,#176bd9 58%,#7b4be9);color:#fff;font-size:13px;font-weight:950;letter-spacing:.04em;cursor:pointer;box-shadow:0 9px 25px rgba(18,111,195,.25);transition:.2s ease}.profile-button:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 14px 32px rgba(18,111,195,.34),0 0 0 5px rgba(18,167,221,.08)}
.profile-popover{position:absolute;right:0;top:calc(100% + 10px);z-index:1900;width:260px;padding:16px;border:1px solid #d8e7f3;border-radius:18px;background:rgba(255,255,255,.98);box-shadow:0 24px 70px rgba(19,55,91,.22);backdrop-filter:blur(18px)}.profile-popover[hidden]{display:none!important}.profile-kicker{display:block;font-size:9px;font-weight:950;letter-spacing:.14em;color:#0a88ca;margin-bottom:5px}.profile-popover strong{display:block;font-size:17px;color:#173b59;overflow-wrap:anywhere}.profile-popover small{display:block;margin:5px 0 14px;color:#75889a}.profile-settings-btn{width:100%}.logout-button{font-size:21px;font-weight:900}
.workspace-gate{position:fixed;inset:0;z-index:5000;display:none;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 22% 12%,rgba(16,190,218,.19),transparent 30%),radial-gradient(circle at 78% 10%,rgba(94,72,229,.15),transparent 28%),rgba(235,244,250,.88);backdrop-filter:blur(22px) saturate(1.08)}.workspace-gate.show{display:flex;animation:workspaceGateIn .28s ease both}@keyframes workspaceGateIn{from{opacity:0}to{opacity:1}}body.workspace-locked{overflow:hidden}
.workspace-card{position:relative;width:min(520px,94vw);padding:30px;border:1px solid rgba(207,227,241,.95);border-radius:28px;background:rgba(255,255,255,.97);box-shadow:0 34px 100px rgba(31,74,109,.24),0 0 0 1px rgba(255,255,255,.7) inset}.workspace-lang{position:absolute;right:18px;top:18px;display:inline-flex;padding:3px;border-radius:12px;background:#eef6fb;border:1px solid #dce9f3}.gate-lang{border:0;background:transparent;padding:7px 11px;border-radius:9px;color:#6d8294;font-weight:900;cursor:pointer}.gate-lang.active{background:#fff;color:#087fc2;box-shadow:0 5px 14px rgba(14,114,174,.13)}
.workspace-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.workspace-brand img{width:48px;height:52px;object-fit:contain}.workspace-brand b{display:block;color:#163d5c;font-size:17px}.workspace-brand span{display:block;color:#7690a4;font-size:11px;margin-top:2px}.workspace-card h2{margin:0;color:#102f49;font-size:29px;letter-spacing:-.025em}.workspace-card>p{margin:10px 0 22px;color:#6b8194;line-height:1.6}.workspace-form{display:grid;gap:13px}.workspace-form label:not(.remember-row){display:grid;gap:6px;color:#37566f;font-size:12px;font-weight:850}.workspace-form input[type="text"],.workspace-form input[type="password"],.workspace-form input:not([type]){width:100%;padding:14px 15px;border:1px solid #d3e3ee;border-radius:14px;background:#fbfdff;color:#163a55;font:inherit;outline:none;transition:.18s ease}.workspace-form input:focus{border-color:#63bfea;box-shadow:0 0 0 4px rgba(35,167,222,.09);background:#fff}.password-rule{font-size:10.5px;color:#7c8fa1;margin-top:-5px}.remember-row{display:flex;align-items:center;gap:8px;color:#546c80;font-size:12px;font-weight:750}.remember-row input{accent-color:#098dcc}.workspace-enter{width:100%;margin-top:4px;min-height:50px}.workspace-error{margin-top:13px;padding:11px 13px;border-radius:12px;background:#fff0f2;border:1px solid #ffd1d8;color:#a52c43;font-size:12px;font-weight:750}
.workspace-info-dialog,.settings-dialog{border:0;border-radius:24px;background:#fff;box-shadow:0 36px 110px rgba(12,44,74,.35);color:#18374e}.workspace-info-dialog::backdrop,.settings-dialog::backdrop{background:rgba(7,23,38,.56);backdrop-filter:blur(9px)}.workspace-info-dialog{width:min(460px,92vw);padding:30px;text-align:center}.workspace-success-icon{width:62px;height:62px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#17c986,#0da7b9);color:#fff;font-size:30px;font-weight:950;box-shadow:0 16px 36px rgba(13,177,146,.26)}.workspace-info-dialog h2{margin:0 0 8px}.workspace-info-dialog p{color:#6c8194;line-height:1.55}.workspace-info-dialog .primary{margin-top:12px;min-width:150px}
.settings-dialog{width:min(720px,94vw);max-height:88vh;padding:28px;overflow:auto}.settings-dialog>.close{position:absolute;right:18px;top:16px}.settings-dialog h2{font-size:28px;margin:4px 0 20px}.settings-grid{display:grid;gap:14px}.settings-section{border:1px solid #dfeaf2;border-radius:18px;padding:17px;background:linear-gradient(180deg,#fff,#f9fcfe)}.settings-section h3{margin:0 0 12px;font-size:14px;color:#214963}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 0}.settings-row>div:first-child{display:grid;gap:3px}.settings-row b{font-size:12px}.settings-row small{color:#7a8ea0;font-size:10.5px}.settings-segment{display:inline-flex;padding:3px;border:1px solid #dbe8f2;border-radius:12px;background:#edf6fb}.settings-segment button{border:0;background:transparent;padding:8px 11px;border-radius:9px;color:#617b90;font-weight:850;cursor:pointer}.settings-segment button.active{background:#fff;color:#087fbe;box-shadow:0 5px 14px rgba(17,112,170,.14)}.toggle-row input{width:19px;height:19px;accent-color:#0b91cf}.settings-action{min-width:170px}.password-change{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.password-change label:first-child{grid-column:1/-1}.password-change label{display:grid;gap:5px;font-size:11px;font-weight:800;color:#466278}.password-change input{padding:11px;border:1px solid #d8e5ef;border-radius:11px}.password-change .primary{grid-column:1/-1;justify-self:start}.danger-zone{border-color:#f2d7dd;background:linear-gradient(180deg,#fff,#fff9fa)}.danger-zone p{color:#856b70;font-size:11px;line-height:1.5}.settings-message{margin-top:14px;padding:11px 13px;border-radius:12px;background:#eafaf3;color:#14704e;font-size:12px;font-weight:800}.settings-message.bad{background:#fff0f2;color:#a52c43}
/* Dark theme — low-glare, blue-charcoal rather than pure black. */
html[data-theme="dark"] body{background:radial-gradient(circle at 18% 0%,rgba(18,118,164,.16),transparent 28%),#101923;color:#d9e8f3}html[data-theme="dark"] .topbar{background:rgba(16,28,39,.9)!important;border-bottom-color:#273b4b!important;box-shadow:0 8px 30px rgba(0,0,0,.2)!important}html[data-theme="dark"] .brand h1{color:#edf7fd!important}html[data-theme="dark"] .panel,html[data-theme="dark"] .source-card,html[data-theme="dark"] .project,html[data-theme="dark"] .preview-card,html[data-theme="dark"] .diagnostics,html[data-theme="dark"] .studio-tool-panel,html[data-theme="dark"] .profile-popover,html[data-theme="dark"] .settings-dialog,html[data-theme="dark"] .workspace-info-dialog{background:#17232e!important;border-color:#2d4354!important;color:#dceaf4!important;box-shadow:0 18px 50px rgba(0,0,0,.18)!important}html[data-theme="dark"] .featured-source,html[data-theme="dark"] .dropzone,html[data-theme="dark"] .mode-config-row,html[data-theme="dark"] .default-language-setting,html[data-theme="dark"] .settings-section{background:linear-gradient(180deg,#1a2a36,#15232e)!important;border-color:#2d4557!important}html[data-theme="dark"] h1,html[data-theme="dark"] h2,html[data-theme="dark"] h3,html[data-theme="dark"] h4,html[data-theme="dark"] .field>span,html[data-theme="dark"] .profile-popover strong{color:#edf7fd!important}html[data-theme="dark"] p,html[data-theme="dark"] small,html[data-theme="dark"] .meta,html[data-theme="dark"] .share-import-note{color:#91a9bb!important}html[data-theme="dark"] input,html[data-theme="dark"] textarea,html[data-theme="dark"] select{background:#101c26!important;border-color:#31495b!important;color:#e8f3fa!important}html[data-theme="dark"] .topbar-icon,html[data-theme="dark"] .language-switch,html[data-theme="dark"] .studio-tool>summary,html[data-theme="dark"] .secondary,html[data-theme="dark"] .project-actions a,html[data-theme="dark"] .project-actions button{background:#182733!important;border-color:#304758!important;color:#cce3f2!important}html[data-theme="dark"] .health{background:#142c2b!important;border-color:#28564f!important;color:#83d5b3!important}html[data-theme="dark"] .status.sync.current{background:#173626!important;color:#8fe3b3!important}html[data-theme="dark"] .status.sync.outdated{background:#3b2f16!important;color:#f0d27f!important}html[data-theme="dark"] .workspace-gate{background:radial-gradient(circle at 22% 12%,rgba(10,158,190,.18),transparent 30%),rgba(8,16,24,.88)}html[data-theme="dark"] .workspace-card{background:#16242f;border-color:#314858;color:#e4f0f7}html[data-theme="dark"] .workspace-card h2,html[data-theme="dark"] .workspace-brand b{color:#eef8fd}html[data-theme="dark"] .workspace-card>p,html[data-theme="dark"] .workspace-brand span{color:#94aabd}html[data-theme="dark"] .workspace-form input{background:#0f1c26!important;border-color:#334a5c!important;color:#e8f4fa!important}html[data-theme="dark"] .profile-popover .secondary{background:#203442!important}html[data-theme="dark"] .settings-segment{background:#10212c;border-color:#304858}html[data-theme="dark"] .settings-segment button.active{background:#294453;color:#9ee1ff}html[data-theme="dark"] .danger-zone{background:#281c22!important;border-color:#5a3643!important}.theme-moon,.theme-sun{line-height:1}
@media(max-width:760px){.brand-writing-hand{display:none}.health{display:none}.topbar-actions{gap:6px}.topbar-icon{width:38px;height:38px}.profile-button{width:40px;height:40px}.workspace-card{padding:24px 20px}.settings-row{align-items:flex-start;flex-direction:column}.password-change{grid-template-columns:1fr}}

/* V4.1 workspace polish, modalized tools, dark-mode completeness */
html{min-height:100%;background:#eef4f9;overscroll-behavior-y:none}
body{min-height:100dvh;overscroll-behavior-y:none;background-attachment:fixed}
html[data-theme="dark"]{background:#101923;color-scheme:dark}
html[data-theme="light"]{background:#eef4f9;color-scheme:light}
html[data-theme="dark"] body:before{border-color:rgba(98,169,205,.07);box-shadow:0 0 0 90px rgba(19,39,52,.24)}
html[data-theme="dark"] body:after{border-color:rgba(98,169,205,.06);box-shadow:0 0 0 110px rgba(12,26,36,.26)}
.page{min-height:calc(100dvh - 140px)}

/* Compact, correctly aligned gate checkbox */
.remember-row{display:inline-flex!important;width:max-content;max-width:100%;align-items:center!important;justify-content:flex-start!important;gap:8px!important;padding:2px 0;white-space:nowrap}
.remember-row input[type="checkbox"]{appearance:auto!important;-webkit-appearance:checkbox!important;width:17px!important;height:17px!important;min-width:17px!important;max-width:17px!important;flex:0 0 17px!important;margin:0!important;padding:0!important;border:0!important;box-shadow:none!important;background:transparent!important}
.remember-row span{display:inline-block;line-height:1.2}

/* Professional centering for topbar icon controls */
.topbar-icon{width:42px;height:42px;min-width:42px;min-height:42px;padding:0!important;display:inline-grid!important;place-items:center!important;line-height:1!important;overflow:hidden}
.topbar-icon>span{width:100%;height:100%;display:grid;place-items:center}
.topbar-icon svg{display:block;width:19px;height:19px;margin:auto}
.logout-button svg{width:20px;height:20px}
.theme-toggle .theme-sun,.theme-toggle .theme-moon{position:absolute;inset:0;display:grid;place-items:center}
.theme-toggle .theme-moon{display:none}
html[data-theme="dark"] .theme-toggle .theme-sun{display:none}
html[data-theme="dark"] .theme-toggle .theme-moon{display:grid}

/* Customize / Advanced behave like focused modal surfaces */
.studio-tools-row{position:relative;z-index:70}
.studio-tool-backdrop{position:fixed;inset:0;z-index:1600;background:rgba(14,28,43,.42);backdrop-filter:none!important;-webkit-backdrop-filter:none!important;opacity:0;transition:opacity .2s ease;pointer-events:none}
body.tool-modal-open .studio-tool-backdrop{display:block!important;opacity:1}
body.tool-modal-open{overflow:hidden}
.studio-tool[open]{z-index:1700}
.studio-tool[open]>summary{position:relative;z-index:1702}
.studio-tool-panel{position:fixed!important;left:50%!important;top:50%!important;transform:translate(-50%,-50%)!important;width:min(1060px,calc(100vw - 48px))!important;max-height:min(84vh,820px)!important;overflow:auto!important;z-index:1701!important;border-radius:24px!important;box-shadow:0 38px 110px rgba(8,33,55,.36)!important}
.studio-tool[open] .studio-tool-panel{animation:toolModalIn .22s cubic-bezier(.2,.75,.25,1)}
@keyframes toolModalIn{from{opacity:0;transform:translate(-50%,-47%) scale(.98)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@media(max-width:760px){.studio-tool-panel{width:calc(100vw - 24px)!important;max-height:86vh!important}.remember-row{white-space:normal}}

/* Account deletion */
.danger-divider{height:1px;background:#efd7dc;margin:16px 0}
.danger-strong{background:#b92f48!important;color:#fff!important;border-color:#b92f48!important}
.danger-strong:hover{background:#a8203a!important;box-shadow:0 12px 26px rgba(176,35,61,.22)!important}
.confirm-password{display:grid;gap:6px;margin:16px 0 4px;text-align:left;font-size:12px;font-weight:850;color:#425d73}
.confirm-password input{padding:12px 13px;border:1px solid #d9e4ec;border-radius:12px}
.confirm-inline-error{margin:10px 0;padding:10px 12px;border-radius:11px;background:#fff0f2;color:#a52c43;font-size:12px;font-weight:750;text-align:left}

/* Dark-mode surface completion */
html[data-theme="dark"] .file-state{background:#11202b!important;border-color:#355063!important;color:#e6f2f8!important;box-shadow:0 8px 20px rgba(0,0,0,.18)!important}
html[data-theme="dark"] .file-details b{color:#dcecf6!important}
html[data-theme="dark"] .file-details em{color:#91a9ba!important}
html[data-theme="dark"] .file-check{background:#17483a!important;color:#9de1c2!important}
html[data-theme="dark"] .progress{background:#132733!important;border-color:#315064!important;color:#e5f1f8!important;box-shadow:0 12px 28px rgba(0,0,0,.18)!important}
html[data-theme="dark"] .progress p{color:#9db2c2!important}
html[data-theme="dark"] .spinner{border-color:#31566a!important;border-top-color:#35bce8!important}
html[data-theme="dark"] .message{background:#351f28!important;border-color:#673542!important;color:#ffb7c4!important}
html[data-theme="dark"] dialog{background:#17232e!important;color:#dceaf4!important;border-color:#2d4354!important}
html[data-theme="dark"] .review-dialog,html[data-theme="dark"] .published-dialog,html[data-theme="dark"] .confirm-dialog,html[data-theme="dark"] .draft-preview-dialog{background:#17232e!important;color:#dceaf4!important}
html[data-theme="dark"] .preview-card,html[data-theme="dark"] .diagnostics,html[data-theme="dark"] .preview-launch-card{background:#14212b!important;border-color:#304758!important;color:#dceaf4!important}
html[data-theme="dark"] .image-stage{background:#0f1b24!important;border:1px solid #2a4354!important}
html[data-theme="dark"] .metric{background:#10202b!important;border:1px solid #294354!important;color:#e8f4fa!important}
html[data-theme="dark"] .metric span{color:#8fa8ba!important}
html[data-theme="dark"] .issue-grid ul{color:#9bb0bf!important}
html[data-theme="dark"] .validation-shot{background:#0d1820!important;border-color:#31495a!important}
html[data-theme="dark"] .copy-row input,html[data-theme="dark"] .copy-row textarea{background:#101c26!important;color:#e8f3fa!important;border-color:#31495b!important}
html[data-theme="dark"] .copy-row button,html[data-theme="dark"] .download-button{background:#203442!important;color:#cce8f6!important;border-color:#355165!important}
html[data-theme="dark"] .close{background:#20313e!important;color:#d7eaf5!important}
html[data-theme="dark"] .success{background:#164536!important;color:#9ee2c3!important}
html[data-theme="dark"] .badge.good{background:#173f34!important;color:#9ddfc2!important}
html[data-theme="dark"] .badge.bad{background:#3b222b!important;color:#ffafbd!important}
html[data-theme="dark"] .workspace-info-dialog p,html[data-theme="dark"] .published-dialog>p{color:#9aafbf!important}
html[data-theme="dark"] .settings-section h3,html[data-theme="dark"] .settings-row b,html[data-theme="dark"] .confirm-password{color:#dcecf6!important}
html[data-theme="dark"] .danger-divider{background:#53323d}
html[data-theme="dark"] .confirm-inline-error{background:#3b2029!important;color:#ffb0be!important}
html[data-theme="dark"] .studio-tool-backdrop{background:rgba(3,10,16,.6)}
html[data-theme="dark"] .studio-tool-panel{background:#17232e!important;border-color:#355064!important;color:#dceaf4!important}
html[data-theme="dark"] .config-reset{background:#203441!important;border-color:#365568!important;color:#d0e7f4!important}
html[data-theme="dark"] .mode-config-row,html[data-theme="dark"] .default-language-setting{background:#14232e!important;border-color:#30495b!important}

/* Ensure light theme also paints every scroll/overscroll frame consistently */
html[data-theme="light"] body,html[data-theme="light"] .page{background-color:transparent}

/* ===== V4.1.1 — true portal overlays + profile initials alignment ===== */
.profile-button{
  display:grid!important;
  place-items:center!important;
  padding:0!important;
  line-height:1!important;
  text-align:center!important;
}
.profile-button #profileInitials,
.profile-button>span{
  width:100%;
  height:100%;
  display:flex!important;
  align-items:center!important;
  justify-content:center!important;
  line-height:1!important;
  padding:0!important;
  margin:0!important;
  transform:none!important;
}
/* Customize/Advanced are portalled to <body>, so they can never sit under the
   projects/library stacking context. The backdrop dims/blurs the site; the
   settings surface itself stays fully opaque and focused. */
.studio-tool-backdrop{
  z-index:10000!important;
  background:rgba(12,28,43,.50)!important;
  backdrop-filter:none!important;
  -webkit-backdrop-filter:none!important;
  pointer-events:auto!important;
  contain:strict!important;
}
body.tool-modal-open .studio-tool-backdrop{display:block!important;opacity:1!important}
.studio-tool-panel--portal{
  position:fixed!important;
  left:50%!important;
  top:50%!important;
  transform:translate(-50%,-50%)!important;
  z-index:10001!important;
  background:#fff!important;
  opacity:1!important;
  backdrop-filter:none!important;
  -webkit-backdrop-filter:none!important;
  box-shadow:0 38px 120px rgba(7,30,51,.42),0 0 0 1px rgba(255,255,255,.92) inset!important;
  animation:toolPortalIn .22s cubic-bezier(.2,.75,.25,1)!important;
}
html[data-theme="dark"] .studio-tool-panel--portal{
  background:#17232e!important;
  border-color:#355064!important;
  color:#dceaf4!important;
  box-shadow:0 42px 125px rgba(0,0,0,.58),0 0 0 1px rgba(92,132,157,.16) inset!important;
}
@keyframes toolPortalIn{
  from{opacity:0;transform:translate(-50%,-47%) scale(.975)}
  to{opacity:1;transform:translate(-50%,-50%) scale(1)}
}
.profile-button #profileInitials{letter-spacing:0!important;text-indent:0!important;font-variant-numeric:tabular-nums}

/* V4.3.1 published customization + Arena difficulty controls */
.arena-difficulty-config{grid-column:1/-1;margin-top:8px;padding-top:10px;border-top:1px dashed #dce7f2}.arena-difficulty-head{display:flex;flex-direction:column;gap:3px;margin-bottom:9px}.arena-difficulty-head strong{font-size:11px;color:#36556f}.arena-difficulty-head small{font-size:9.5px;color:#8393a4}.arena-difficulty-sliders{display:grid;grid-template-columns:repeat(5,minmax(110px,1fr));gap:8px}.arena-difficulty-sliders label{display:grid;gap:5px;padding:8px;border:1px solid #dfe9f1;border-radius:11px;background:#fff}.arena-difficulty-sliders span{font-size:9px;font-weight:800;color:#536b7e;display:flex;justify-content:space-between;gap:5px}.arena-difficulty-sliders b{color:#1186c3}.arena-difficulty-sliders input{width:100%;accent-color:#149bd8}.published-customize-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px;padding:12px 14px;border:1px solid #a9d8ee;border-radius:14px;background:linear-gradient(135deg,#f0fbff,#f7fbff)}.published-customize-actions>div:first-child{display:flex;flex-direction:column;gap:3px}.published-customize-actions strong{font-size:12px;color:#145f89}.published-customize-actions span{font-size:10px;color:#698399}.published-customize-actions>div:last-child{display:flex;gap:8px}.project-actions .end-demo{color:#a74a20;border-color:#efc8ae;background:#fff8f2}.project-actions .end-demo:hover{color:#92350f;border-color:#e8a576;background:#fff3e9}@media(max-width:1000px){.arena-difficulty-sliders{grid-template-columns:repeat(2,minmax(120px,1fr))}.published-customize-actions{align-items:flex-start;flex-direction:column}}html[data-theme="dark"] .arena-difficulty-sliders label,html[data-theme="dark"] .published-customize-actions{background:#142630!important;border-color:#345468!important}


/* V4.3.1 holistic Customize layout + publication-state confirmation */
.mode-config-row[data-mode="arena"]{grid-column:1/-1;grid-template-columns:minmax(180px,.8fr) minmax(220px,1.2fr);background:linear-gradient(145deg,#fbfeff,#f5fbff);border-color:#cfe7f5}
.mode-config-row[data-mode="arena"] .arena-difficulty-config{grid-column:1/-1;margin-top:4px;padding:13px 14px 14px;border:1px solid #d9e9f3;border-radius:14px;background:rgba(255,255,255,.78)}
.arena-difficulty-head{display:flex;flex-direction:row;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:11px}.arena-difficulty-head strong{font-size:12px;color:#214b68}.arena-difficulty-head small{font-size:9.5px;max-width:480px;text-align:right;line-height:1.35;color:#7d91a2}
.arena-difficulty-sliders{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.arena-difficulty-sliders label{min-width:0;padding:9px 9px 8px;border-radius:12px;background:#fff}.arena-difficulty-sliders span{font-size:9.5px;align-items:center}.arena-difficulty-sliders input{min-width:0;width:100%}
.studio-tool-panel.customize-panel.studio-tool-panel--portal{width:min(1180px,calc(100vw - 36px))!important;max-height:min(88vh,880px)!important;overflow:auto!important;overscroll-behavior:contain;padding-bottom:20px!important}
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-config-row{content-visibility:auto;contain-intrinsic-size:auto 220px;contain:layout paint style}
.publication-state-dialog .publication-state-icon{background:linear-gradient(145deg,#eef9ff,#e4f3ff);border-color:#bcdff2;color:#1885bd}.publication-state-dialog p{max-width:390px}
@media(max-width:1050px){.arena-difficulty-sliders{grid-template-columns:repeat(3,minmax(0,1fr))}.arena-difficulty-head{align-items:flex-start;flex-direction:column}.arena-difficulty-head small{text-align:left}.mode-config-row[data-mode="arena"]{grid-template-columns:1fr}}
@media(max-width:720px){.arena-difficulty-sliders{grid-template-columns:repeat(2,minmax(0,1fr))}.mode-config-row[data-mode="arena"]{grid-template-columns:1fr}.studio-tool-panel.customize-panel.studio-tool-panel--portal{width:calc(100vw - 18px)!important;max-height:calc(100vh - 36px)!important}}
html[data-theme="dark"] .mode-config-row[data-mode="arena"],html[data-theme="dark"] .mode-config-row[data-mode="arena"] .arena-difficulty-config{background:#132630!important;border-color:#31536a!important}

/* Transient studio notifications — horizontal bottom-center status bar */
.studio-toast-stack{position:fixed;left:50%;bottom:28px;top:auto;right:auto;transform:translateX(-50%);z-index:10050;display:flex;flex-direction:column-reverse;align-items:center;gap:8px;width:min(760px,calc(100vw - 32px));pointer-events:none}.studio-toast{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;width:max-content;max-width:100%;min-width:min(430px,100%);padding:10px 17px;border:1px solid #cde5ec;border-radius:999px;background:rgba(249,253,255,.985);color:#31596b;box-shadow:0 14px 38px rgba(25,83,115,.16);font-size:12px;font-weight:800;line-height:1.3;opacity:0;transform:translateY(12px) scale(.985);transition:opacity .22s ease,transform .22s ease;overflow:hidden}.studio-toast.show{opacity:1;transform:translateY(0) scale(1)}.studio-toast.success{border-color:#bfe5db;background:linear-gradient(90deg,#f2fbf8,#f6fbff);color:#285f53}.studio-toast.info{border-color:#cde4f4;background:linear-gradient(90deg,#f3faff,#f9fcff);color:#29617f}.studio-toast-icon{flex:0 0 28px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#ddf3eb;color:#187456;font-size:14px;font-weight:950}.studio-toast.info .studio-toast-icon{background:#e1f2fc;color:#1676a8}.studio-toast-text{display:block;min-width:0;max-width:650px;white-space:normal;overflow-wrap:anywhere;word-break:normal;text-align:center}.studio-toast::after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:2px;border-radius:999px;background:linear-gradient(90deg,transparent,rgba(27,157,181,.30),transparent);opacity:.65}@media(max-width:600px){.studio-toast-stack{bottom:18px;width:calc(100vw - 24px)}.studio-toast{min-width:0;width:100%;border-radius:16px;padding:10px 13px}.studio-toast-text{text-align:left;font-size:11px}}

/* ===== V4.5 Classroom, runtime upgrades and node activity map ===== */
.studio-section-tabs{width:min(1180px,calc(100% - 30px));margin:18px auto 0;display:flex;gap:6px;padding:5px;border:1px solid #dce7f3;border-radius:16px;background:rgba(255,255,255,.88);box-shadow:0 10px 28px rgba(30,72,118,.08)}
.studio-section-tabs button{flex:0 0 auto;border:0;border-radius:12px;background:transparent;padding:10px 18px;font-weight:900;color:#677d92;cursor:pointer}.studio-section-tabs button.active{background:linear-gradient(135deg,#0ea6dd,#4276ed);color:#fff;box-shadow:0 8px 18px rgba(29,123,214,.22)}
.classes-page{display:grid;gap:18px}.class-create-form{display:flex;align-items:end;gap:12px}.class-create-form .field{flex:1}.class-list{display:grid;gap:14px}.class-card{border:1px solid #dce7f2;border-radius:20px;background:linear-gradient(180deg,#fff,#f8fbff);padding:17px;box-shadow:0 12px 28px rgba(31,72,115,.08)}.class-card-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.class-card h3{margin:0;color:#173957;font-size:18px}.class-code{display:inline-flex;margin-top:6px;padding:6px 9px;border-radius:999px;background:#eaf5ff;color:#087eb8;font-size:11px;font-weight:950;letter-spacing:.12em}.class-share-row{display:flex;gap:8px;align-items:center;margin-top:12px}.class-share-row input{flex:1;min-width:0;border:1px solid #d8e4ef;border-radius:11px;padding:9px 11px;background:#fff;color:#456176}.class-projects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:14px;padding-top:13px;border-top:1px dashed #dce7f1}.class-project-choice{display:flex;align-items:center;gap:8px;padding:9px 10px;border:1px solid #e0e9f2;border-radius:12px;background:#fff;font-size:11px;font-weight:800;color:#456278}.class-project-choice input{accent-color:#0f9cda}.class-card-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:13px}
.node-activity-dialog{width:min(1180px,96vw);height:min(860px,94vh);max-width:none;max-height:none;border:0;border-radius:24px;padding:20px;background:#fff;box-shadow:0 35px 110px rgba(17,45,76,.34);overflow:hidden}.node-activity-dialog::backdrop{background:rgba(7,18,35,.64);backdrop-filter:blur(9px)}.node-activity-dialog header h2{margin:4px 0 5px}.node-activity-dialog header p{margin:0;color:#6f8193;font-size:12px}.node-activity-toolbar{display:flex;align-items:center;gap:8px;margin:14px 0}.node-activity-toolbar>span{margin-right:auto;font-size:11px;font-weight:900;color:#516b82}.node-activity-viewport{height:calc(100% - 190px);min-height:380px;overflow:hidden;position:relative;border:1px solid #dce7f1;border-radius:18px;background:radial-gradient(circle at 50% 30%,#fff,#f2f7fb);cursor:grab}.node-activity-world{position:absolute;transform-origin:0 0}.node-activity-world svg{position:absolute;inset:0;overflow:visible}.node-activity-node{position:absolute;display:grid;place-items:center;border-radius:16px;background:#fff;border:3px solid #22b573;box-shadow:0 0 0 6px rgba(34,181,115,.12),0 10px 26px rgba(31,70,109,.12);overflow:hidden;cursor:pointer;transition:filter .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}.node-activity-node:hover{transform:scale(1.025)}.node-activity-node.disabled{border-color:#df4356;box-shadow:0 0 0 6px rgba(223,67,86,.11),0 10px 26px rgba(31,70,109,.1);filter:saturate(.7) brightness(.95)}.node-activity-node img{width:100%;height:100%;object-fit:contain}.node-activity-node span{font-size:11px;font-weight:900;text-align:center;padding:8px;color:#263f58}.node-activity-edge{fill:none;stroke:#b8c5d2;stroke-width:4;stroke-linecap:round}
.project-actions .upgrade-runtime,.project-actions .node-activity-action{background:#eef5ff;color:#2a5aa4;border:1px solid #d8e5fa}
.project-actions .upgrade-runtime.needs-update{background:#fff4dc;color:#8a5a00;border-color:#e7c66f;box-shadow:inset 0 0 0 1px rgba(231,198,111,.16)}.project-actions .upgrade-runtime.needs-update:hover{background:#ffefc7;color:#744900;border-color:#d9ad42}
html[data-theme="dark"] .project-actions .upgrade-runtime.needs-update{background:#3b2f16!important;color:#f0d27f!important;border-color:#6f5722!important}
@media(max-width:800px){.class-create-form{align-items:stretch;flex-direction:column}.class-projects{grid-template-columns:1fr}.node-activity-dialog{width:100vw;height:100vh;border-radius:0}.studio-section-tabs{width:calc(100% - 20px)}}
.publish-class-row{display:flex;align-items:end;gap:14px;margin:15px 0;padding:13px 14px;border:1px solid #dce7f2;border-radius:16px;background:#f8fbff}.publish-class-row label{display:grid;gap:6px;min-width:min(360px,100%)}.publish-class-row label span{font-size:11px;font-weight:900;color:#34546f}.publish-class-row select{height:42px;border:1px solid #d6e2ee;border-radius:11px;background:#fff;padding:0 11px;font-weight:800;color:#34516b}.publish-class-row small{color:#76889b;line-height:1.4}@media(max-width:760px){.publish-class-row{align-items:stretch;flex-direction:column}}

/* ===== V4.5.1 — centred Studio navigation, professional Classroom layout and stable Node Activity modal ===== */
.studio-section-tabs{
  width:min(1380px,calc(100% - 36px));
  margin:18px auto 0;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:6px;
  padding:5px;
}
.studio-section-tabs button{min-width:150px;text-align:center}
.studio-section-tabs button[aria-selected="true"]{background:linear-gradient(135deg,#0ea6dd,#4276ed);color:#fff;box-shadow:0 8px 18px rgba(29,123,214,.22)}

.classes-page{width:min(1240px,calc(100% - 36px));gap:22px}
.classroom-hero-panel{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:32px;align-items:center;padding:34px;overflow:hidden;background:linear-gradient(135deg,rgba(255,255,255,.98),rgba(244,250,255,.98))}
.classroom-hero-panel:before{content:"";position:absolute;width:430px;height:430px;right:-190px;top:-240px;border-radius:50%;background:radial-gradient(circle,rgba(18,166,222,.14),rgba(18,166,222,0) 68%);pointer-events:none}
.classroom-hero-panel:after{content:"";position:absolute;left:0;top:28px;bottom:28px;width:4px;border-radius:0 999px 999px 0;background:linear-gradient(180deg,#16c6d6,#168ce6,#725de8)}
.classroom-hero-copy{position:relative;z-index:1;max-width:660px;padding-left:4px}
.classroom-hero-copy h2{margin:7px 0 10px;font-size:31px;line-height:1.12;letter-spacing:-.04em;color:#172f4a}
.classroom-hero-copy>p{margin:0;max-width:640px;color:#697f94;font-size:13px;line-height:1.65}
.classroom-feature-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:19px}
.classroom-feature-row span{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid #d8e8f4;border-radius:999px;background:rgba(255,255,255,.88);color:#37627f;font-size:10px;font-weight:850;box-shadow:0 5px 14px rgba(33,91,135,.05)}
.classroom-feature-row span:before{content:"✓";display:grid;place-items:center;width:16px;height:16px;border-radius:50%;background:#e7f8f2;color:#17875c;font-size:10px}
.class-create-card{position:relative;z-index:1;display:grid;gap:15px;padding:20px;border:1px solid #d6e7f3;border-radius:20px;background:rgba(255,255,255,.96);box-shadow:0 18px 42px rgba(32,82,126,.10),inset 0 1px 0 rgba(255,255,255,.9)}
.class-create-card-head{display:flex;align-items:center;gap:12px;padding-bottom:13px;border-bottom:1px solid #e5edf4}
.class-create-card-head>div{display:grid;gap:3px}.class-create-card-head strong{color:#183956;font-size:14px}.class-create-card-head small{color:#7b8da0;font-size:10px;line-height:1.4}
.class-create-icon{width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,#e9f8ff,#eef0ff);color:#1688d4;border:1px solid #d5e9f6;font-size:21px;font-weight:650}
.teacher-control-settings{min-width:0;margin:0;padding:13px;border:1px solid #dce8f1;border-radius:15px;background:#f8fbfd}.teacher-control-settings legend,.teacher-control-settings summary{color:#31536d;font-size:11px;font-weight:900}.teacher-control-settings summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}.teacher-control-settings summary::-webkit-details-marker{display:none}.teacher-control-settings summary:after{content:"＋";font-size:16px;font-weight:500}.teacher-control-settings[open] summary:after{content:"−"}.teacher-control-settings p{margin:5px 0 10px;color:#7b8da0;font-size:9px;line-height:1.45}.teacher-control-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.teacher-control-grid label{display:flex;align-items:flex-start;gap:8px;min-width:0;padding:9px;border:1px solid #e0eaf2;border-radius:11px;background:#fff;color:#48657b;font-size:9px;font-weight:750;line-height:1.35;cursor:pointer}.teacher-control-grid input{width:15px!important;height:15px!important;min-width:15px!important;margin:0!important}.class-teacher-controls{margin-top:12px}.class-teacher-controls:not([open]) p,.class-teacher-controls:not([open]) .teacher-control-grid,.class-teacher-controls:not([open]) .save-teacher-controls{display:none}.save-teacher-controls{width:100%;margin-top:10px;min-height:36px}.create-teacher-controls{background:rgba(248,251,253,.9)}
.class-create-button{width:100%;min-height:45px}
.class-message{grid-column:1/-1;margin:0}
.class-library-panel{padding:28px 30px 32px}
.class-library-head{align-items:center}.class-library-head h2{font-size:26px}.class-library-head p{margin:6px 0 0;max-width:700px;color:#74879b;font-size:11px;line-height:1.5}
.class-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.class-card{position:relative;overflow:hidden;padding:19px;border-radius:21px;background:linear-gradient(155deg,#fff 0%,#f8fbff 100%);box-shadow:0 13px 30px rgba(31,72,115,.075);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.class-card:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:linear-gradient(180deg,#13c5d4,#188be3);opacity:.85}
.class-card:hover{transform:translateY(-2px);border-color:#bddbee;box-shadow:0 19px 42px rgba(31,72,115,.11)}
.class-card-head{align-items:center}.class-card h3{font-size:19px;letter-spacing:-.02em}.class-code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.class-share-row{padding:10px;border:1px solid #e1eaf2;border-radius:14px;background:#f8fbfd}.class-share-row input{background:#fff;font-size:10px}
.class-projects{grid-template-columns:1fr;max-height:230px;overflow:auto;padding-right:4px}
.class-project-choice{transition:border-color .18s ease,background .18s ease,transform .18s ease}.class-project-choice:hover{transform:translateX(2px);border-color:#abd4eb;background:#f8fcff}
.class-card-actions{padding-top:2px}.class-card-actions .primary{min-height:39px}
.class-empty{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.class-empty strong{color:#31536d;font-size:15px}.class-empty span{color:#8494a4;font-size:11px}

.node-activity-dialog{display:none;grid-template-rows:auto auto minmax(0,1fr) auto;width:min(1180px,96vw);height:min(860px,94dvh);max-width:none;max-height:none;padding:22px;overflow:hidden}
.node-activity-dialog[open]{display:grid}
.node-activity-head{padding-right:54px}.node-activity-head h2{margin:5px 0 5px;font-size:25px}.node-activity-head p{max-width:850px;line-height:1.5}
.node-activity-toolbar{flex-wrap:wrap;margin:14px 0 12px}.node-activity-toolbar>span{min-width:150px}
.node-activity-viewport{height:auto;min-height:0;overflow:hidden;isolation:isolate}
.node-activity-world{position:absolute;left:0;top:0;transform-origin:0 0;will-change:transform}
.node-activity-actions{margin-top:14px;padding-top:14px;border-top:1px solid #e2eaf2}
.node-activity-node{transform-origin:center center}
.node-activity-node.disabled{filter:saturate(.68) brightness(.96)}

html[data-theme="dark"] .studio-section-tabs{background:rgba(22,35,46,.9);border-color:#2d4354}
html[data-theme="dark"] .studio-section-tabs button{color:#9bb0c0}html[data-theme="dark"] .studio-section-tabs button[aria-selected="true"]{color:#fff}
html[data-theme="dark"] .classroom-hero-panel,html[data-theme="dark"] .class-library-panel,html[data-theme="dark"] .class-card,html[data-theme="dark"] .node-activity-dialog{background:#17232e!important;border-color:#2d4354!important;color:#dceaf4!important}
html[data-theme="dark"] .class-create-card,html[data-theme="dark"] .class-share-row,html[data-theme="dark"] .class-project-choice,html[data-theme="dark"] .teacher-control-settings,html[data-theme="dark"] .teacher-control-grid label{background:#13212c;border-color:#304758;color:#bed3e1}
html[data-theme="dark"] .classroom-hero-copy h2,html[data-theme="dark"] .class-create-card-head strong,html[data-theme="dark"] .class-card h3{color:#edf7fd}
html[data-theme="dark"] .classroom-hero-copy>p,html[data-theme="dark"] .class-create-card-head small,html[data-theme="dark"] .class-library-head p{color:#91a9bb}
html[data-theme="dark"] .classroom-feature-row span{background:#182936;border-color:#30495b;color:#bed3e1}
html[data-theme="dark"] .node-activity-viewport{background:radial-gradient(circle at 50% 30%,#1b2b37,#101c26);border-color:#30495b}

@media(max-width:980px){.classroom-hero-panel{grid-template-columns:1fr;gap:22px}.class-list{grid-template-columns:1fr}.classroom-hero-copy{max-width:none}}
@media(max-width:800px){.teacher-control-grid{grid-template-columns:1fr}.studio-section-tabs{width:calc(100% - 20px)}.studio-section-tabs button{min-width:0;flex:1}.classes-page{width:calc(100% - 20px)}.classroom-hero-panel,.class-library-panel{padding:22px 18px}.classroom-hero-copy h2{font-size:27px}.node-activity-dialog{width:100vw;height:100dvh;padding:16px;border-radius:0}.node-activity-toolbar>span{width:100%;margin-right:0}.node-activity-toolbar button{flex:1}}
.class-project-choice input[type="checkbox"]{width:16px!important;height:16px!important;min-width:16px!important;flex:0 0 16px!important;margin:0!important;padding:0!important}
.class-project-choice span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:620px){.class-share-row{flex-wrap:wrap}.class-share-row input{flex:1 1 100%}.class-share-row button,.class-share-row a{flex:1;text-align:center}}


/* V4.5.5 — exact classroom alignment and one shared Node Map modal layout */
.class-share-row{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) 156px 156px!important;
  align-items:stretch!important;
  gap:10px!important;
  padding:10px!important;
}
.class-share-row input,
.class-share-row .class-share-action{
  box-sizing:border-box!important;
  height:50px!important;
  min-height:50px!important;
  margin:0!important;
  border-radius:14px!important;
}
.class-share-row input{width:100%!important;padding:0 14px!important;line-height:48px!important}
.class-share-row .class-share-action{
  width:100%!important;
  display:flex!important;
  align-items:center!important;
  justify-content:center!important;
  padding:0 16px!important;
  font-size:11px!important;
  font-weight:900!important;
  line-height:1!important;
  text-align:center!important;
  text-decoration:none!important;
  white-space:nowrap!important;
  align-self:stretch!important;
}
.class-card-actions{display:flex!important;justify-content:flex-end!important;align-items:center!important;margin-top:14px!important}
.class-card-actions .primary{height:46px!important;min-height:46px!important;padding:0 20px!important}
.class-projects{display:grid;gap:7px}.class-project-choice-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}.class-project-choice-row .class-project-choice{min-height:39px;margin:0}.class-project-choice em{margin-left:auto;padding:3px 7px;border-radius:999px;background:#fff0ee;color:#b84545;font-size:7px;font-style:normal;font-weight:900;white-space:nowrap}.class-demo-toggle{height:38px;min-width:122px;padding:0 11px;border:1px solid #efc8b4;border-radius:11px;background:#fff8f3;color:#a34b27;font-size:8px;font-weight:900;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.class-demo-toggle:hover{transform:translateY(-1px);border-color:#e7a17f;box-shadow:0 7px 16px rgba(151,70,34,.1)}.class-demo-toggle.reactivate{border-color:#a8d8c1;background:#effbf5;color:#16734c}.class-project-choice-row.demo-ended .class-project-choice{opacity:.72;background:#fff8f8}

.config-head-actions{display:flex;align-items:center;gap:9px;margin-left:auto;flex:0 0 auto}
.studio-panel-close{display:none;width:42px;height:42px;place-items:center;padding:0;border:1px solid #d8e4ef;border-radius:13px;background:#fff;color:#385570;font-size:26px;line-height:1;cursor:pointer;box-shadow:0 10px 22px rgba(29,70,108,.09);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.studio-tool-panel--portal .studio-panel-close{display:grid}
.studio-panel-close:hover{transform:translateY(-1px);border-color:#9fc7e2;box-shadow:0 14px 28px rgba(29,70,108,.14)}

.node-map-modal-layout{
  grid-template-rows:auto auto minmax(0,1fr) auto!important;
  gap:12px!important;
  width:min(1450px,98vw)!important;
  height:min(960px,96dvh)!important;
  max-width:none!important;
  max-height:none!important;
  padding:18px 20px 16px!important;
  overflow:hidden!important;
}
.node-map-modal-layout[open]{display:grid!important}
.node-map-modal-layout .node-activity-head{min-width:0;padding:0 104px 0 0!important}
.node-map-modal-layout .node-activity-head h2{margin:3px 0 4px!important;font-size:25px!important;line-height:1.16!important}
.node-map-modal-layout .node-activity-head p{margin:0!important;max-width:980px!important;font-size:11px!important;line-height:1.35!important}
.node-map-modal-layout .node-activity-toolbar{
  display:grid!important;
  grid-template-columns:minmax(150px,1fr) repeat(5,minmax(0,1fr))!important;
  align-items:stretch!important;
  gap:7px!important;
  margin:0!important;
  padding:8px!important;
  border:1px solid #dde7f1!important;
  border-radius:15px!important;
  background:linear-gradient(180deg,#fbfdff,#f5f9fc)!important;
}
.node-map-modal-layout .node-activity-toolbar>span{align-self:center;margin:0!important;min-width:0!important;padding:0 5px!important;font-size:10px!important;font-weight:950!important}
.node-map-modal-layout .node-activity-toolbar button{min-width:0!important;min-height:40px!important;padding:6px 8px!important;font-size:9px!important;line-height:1.15!important;white-space:normal!important}
.node-map-modal-layout .node-activity-viewport{
  position:relative!important;
  min-width:0!important;
  min-height:0!important;
  width:100%!important;
  height:100%!important;
  overflow:hidden!important;
  border:1px solid #dce7f1!important;
  border-radius:18px!important;
  background:#f5f8ff!important;
  isolation:isolate!important;
}
.node-map-modal-layout .node-activity-frame{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;min-height:0!important;border:0!important;display:block!important;background:#f5f8ff!important;border-radius:inherit!important}
.node-map-modal-layout .node-activity-actions{display:flex!important;justify-content:flex-end!important;align-items:center!important;gap:10px!important;margin:0!important;padding:11px 0 0!important;border-top:1px solid #e2eaf2!important}
.node-map-modal-layout .node-activity-actions button{height:42px!important;min-height:42px!important}
.node-map-icon-button,.node-activity-dialog>.close{position:absolute!important;top:18px!important;width:42px!important;height:42px!important;display:grid!important;place-items:center!important;padding:0!important;border-radius:13px!important;line-height:1!important;z-index:20!important}
.node-map-icon-button{right:68px!important;border:1px solid #d7e5f0!important;background:#fff!important;color:#315b7d!important;box-shadow:0 8px 18px rgba(30,70,106,.09)!important}
.node-activity-dialog>.close{right:18px!important}
.node-map-icon-button svg{width:19px!important;height:19px!important;display:block!important;fill:none!important;stroke:currentColor!important;stroke-width:2!important;stroke-linecap:round!important;stroke-linejoin:round!important}
.node-map-modal-layout.is-fullscreen{width:100vw!important;height:100dvh!important;max-width:none!important;max-height:none!important;margin:0!important;border-radius:0!important;padding:14px 16px 12px!important}
.node-map-modal-layout.is-fullscreen .node-activity-head{padding-right:104px!important}
.node-runtime-loader,.node-runtime-warning{position:absolute;inset:0;z-index:4;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:11px;background:linear-gradient(145deg,#f7faff,#eef4fa);color:#496681;text-align:center;padding:24px}.node-runtime-loader[hidden],.node-runtime-warning[hidden]{display:none!important}.node-runtime-loader span{width:30px;height:30px;border:3px solid #d6e7f3;border-top-color:#168fd0;border-radius:50%;animation:nodeRuntimeSpin .85s linear infinite}.node-runtime-loader b{font-size:11px}.node-runtime-warning{background:rgba(255,248,239,.97);color:#8b4d28;font-size:13px;font-weight:850;line-height:1.5}.node-activity-frame{transition:opacity .18s ease}.node-activity-frame.is-loading{opacity:0;pointer-events:none}@keyframes nodeRuntimeSpin{to{transform:rotate(360deg)}}

@media(max-width:1100px){
  .node-map-modal-layout .node-activity-toolbar{grid-template-columns:repeat(3,minmax(0,1fr))!important}
  .node-map-modal-layout .node-activity-toolbar>span{grid-column:1/-1!important}
}
@media(max-width:800px){
  .class-share-row{grid-template-columns:1fr 1fr!important}.class-share-row input{grid-column:1/-1!important}
  .node-map-modal-layout{width:100vw!important;height:100dvh!important;border-radius:0!important;padding:13px!important}
  .node-map-modal-layout .node-activity-head{padding-right:96px!important}
  .node-map-modal-layout .node-activity-toolbar{grid-template-columns:1fr 1fr!important}
}
@media(max-width:560px){.class-share-row{grid-template-columns:1fr!important}.class-share-row input{grid-column:auto!important}.node-map-modal-layout .node-activity-toolbar{grid-template-columns:1fr!important}.node-map-modal-layout .node-activity-toolbar>span{grid-column:auto!important}}

.project-actions .classroom-link-action{background:#f3efff;color:#5d47b3;border-color:#ddd4fb}.project-actions .classroom-link-action:hover{border-color:#bcaef6;background:#faf7ff;color:#4d39a4}.classroom-link-dialog .success{background:linear-gradient(145deg,#f0e9ff,#ebfbff);color:#5c49b0}.classroom-link-dialog .primary-link{margin-top:16px}.classroom-link-dialog #classroomLinkDescription{max-width:540px;margin-left:auto;margin-right:auto}
html[data-theme="dark"] .project-actions .classroom-link-action{background:#241d3d!important;border-color:#4e4391!important;color:#d8d0ff!important}

/* V6.0.0 · SCORM corporate export */
.scorm-export-dialog{width:min(920px,calc(100vw - 32px));max-height:calc(100vh - 32px);padding:0;border:0;border-radius:24px;background:var(--surface,#fff);color:var(--text,#172033);box-shadow:0 28px 90px rgba(12,22,43,.28);overflow:auto}
.scorm-export-dialog::backdrop{background:rgba(8,14,28,.68);backdrop-filter:blur(4px)}
.scorm-export-dialog>header{padding:30px 34px 18px;border-bottom:1px solid var(--line,#e4e8f0)}
.scorm-export-dialog>header h2{margin:5px 0 8px;font-size:clamp(1.55rem,2.6vw,2.15rem)}
.scorm-export-dialog>header p{margin:0;color:var(--muted,#667085)}
.scorm-export-dialog .close{position:sticky;float:right;top:14px;right:14px;z-index:3;margin:14px 14px -52px 0}
#scormExportForm{padding:22px 34px 30px;display:grid;gap:18px}
.scorm-export-section{border:1px solid var(--line,#e4e8f0);border-radius:18px;padding:18px;background:var(--surface-2,#f8fafc)}
.scorm-export-section h3{margin:0 0 10px;font-size:1rem}
.scorm-standard-option{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;margin:8px 0;border:1px solid var(--line,#dce2ec);border-radius:13px;background:var(--surface,#fff)}
.scorm-standard-option.active{border-color:#6d5dfc;box-shadow:0 0 0 2px rgba(109,93,252,.1)}
.scorm-standard-option.disabled{opacity:.58}
.scorm-standard-option input{margin-top:3px}
.scorm-standard-option span,.scorm-checkbox-row span{display:grid;gap:3px}
.scorm-standard-option small,.scorm-checkbox-row small,.scorm-export-section .field small,.scorm-section-heading p{color:var(--muted,#667085);font-size:.82rem}
.scorm-standard-section .field{margin-top:14px}
.scorm-section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:12px}
.scorm-section-heading h3{margin-bottom:4px}.scorm-section-heading p{margin:0}
.scorm-mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.scorm-mode-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid var(--line,#e1e6ee);border-radius:12px;background:var(--surface,#fff)}
.scorm-mode-row b{font-size:.91rem}.scorm-mode-row select{min-width:126px;padding:7px 9px;border-radius:9px}
.scorm-threshold-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.scorm-threshold-grid .scorm-checkbox-row{grid-column:1/-1}
.scorm-checkbox-row{display:flex;align-items:flex-start;gap:11px;padding:12px 14px;border-radius:12px;background:var(--surface,#fff);border:1px solid var(--line,#e1e6ee)}
.scorm-checkbox-row input{margin-top:4px}
.scorm-export-progress{padding:16px 18px;border-radius:16px;border:1px solid rgba(109,93,252,.25);background:rgba(109,93,252,.06)}
.scorm-progress-head{display:flex;justify-content:space-between;gap:16px}.scorm-progress-track{height:9px;margin:10px 0;border-radius:999px;background:rgba(109,93,252,.14);overflow:hidden}.scorm-progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#6d5dfc,#9a7cff);transition:width .25s ease}.scorm-export-progress p{margin:0;color:var(--muted,#667085)}
.scorm-export-error{margin-top:12px;padding:12px;border-radius:10px;background:rgba(213,49,66,.1);color:#b42335;white-space:pre-wrap;max-height:180px;overflow:auto}
.scorm-export-actions{padding-top:2px;flex-wrap:wrap}.scorm-export-actions a{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.project-actions .scorm-action{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-color:transparent}
@media(max-width:720px){.scorm-export-dialog{width:calc(100vw - 16px);max-height:calc(100vh - 16px)}.scorm-export-dialog>header,#scormExportForm{padding-left:18px;padding-right:18px}.scorm-mode-grid,.scorm-threshold-grid{grid-template-columns:1fr}.scorm-section-heading{display:grid}.scorm-mode-row select{min-width:112px}}

/* V6.2.0 · Random Nodes progressive recall */
.mode-progressive-note{display:grid;gap:5px;margin-top:10px;padding:11px 13px;border:1px solid rgba(91,102,214,.2);border-radius:13px;background:linear-gradient(135deg,rgba(99,102,241,.08),rgba(34,197,94,.06));color:var(--text,#1f2a44)}
.mode-progressive-note b{font-size:.78rem}.mode-progressive-note span{font-weight:900;letter-spacing:.04em;color:#514fc1}.mode-progressive-note small{color:var(--muted,#667085);line-height:1.4}

/* V6.3.0 · Node-map tabs and equivalent-node groups */
.node-map-modal-layout{grid-template-rows:auto auto auto minmax(0,1fr) auto!important}
.node-map-tabs{display:flex;align-items:center;gap:7px;padding:5px;border:1px solid #dce6f0;border-radius:14px;background:#eef4f9}
.node-map-tabs button{min-height:38px;padding:0 16px;border:0;border-radius:10px;background:transparent;color:#60728a;font-size:10px;font-weight:950;cursor:pointer;transition:.16s ease}
.node-map-tabs button:hover{color:#294c70;background:rgba(255,255,255,.65)}
.node-map-tabs button.active{background:#fff;color:#3057a4;box-shadow:0 7px 16px rgba(39,77,115,.12)}
.node-equivalent-panel{display:grid;gap:9px;padding:9px;border:1px solid #dde7f1;border-radius:15px;background:linear-gradient(180deg,#fbfdff,#f5f9fc)}
.node-equivalent-panel[hidden]{display:none!important}
.node-equivalent-compose{display:grid;grid-template-columns:minmax(180px,1fr) minmax(190px,280px) auto;gap:10px;align-items:end}
.node-equivalent-compose>div:first-child{display:grid;gap:3px;align-self:center;padding:0 5px}.node-equivalent-compose b{font-size:10px;color:#294b70}.node-equivalent-compose small{font-size:8px;line-height:1.35;color:#77879a}
.node-equivalent-compose label{display:grid;gap:4px;font-size:8px;font-weight:900;color:#60718a}.node-equivalent-compose input{height:40px;border:1px solid #d6e1eb;border-radius:11px;padding:0 11px;background:#fff;color:#263f5b;font:800 10px/1 inherit}
.node-equivalent-actions{display:flex;gap:7px;justify-content:flex-end}.node-equivalent-actions button{min-height:40px!important;padding:7px 11px!important;font-size:9px!important}
.node-equivalent-groups{display:flex;gap:7px;overflow-x:auto;padding:1px 2px 3px;scrollbar-width:thin}.node-equivalent-empty{padding:8px 10px;border:1px dashed #cfdbe7;border-radius:10px;color:#7b8ba0;font-size:9px}
.node-equivalent-chip{display:flex;align-items:center;gap:7px;flex:0 0 auto;min-height:34px;padding:5px 7px 5px 9px;border:1px solid color-mix(in srgb,var(--group-color) 48%,#d9e3ed);border-radius:11px;background:color-mix(in srgb,var(--group-color) 10%,#fff);color:#334b65;font-size:9px;font-weight:900}
.node-equivalent-chip i{width:10px;height:10px;border-radius:50%;background:var(--group-color);box-shadow:0 0 0 3px color-mix(in srgb,var(--group-color) 16%,transparent)}.node-equivalent-chip span{white-space:nowrap}.node-equivalent-chip em{font-style:normal;color:#748399;font-size:8px}.node-equivalent-chip button{width:25px;height:25px;padding:0;border:0;border-radius:8px;background:rgba(255,255,255,.75);color:#53677e;font-size:12px;cursor:pointer}.node-equivalent-chip button:hover{background:#fff;color:#b32f45}.node-equivalent-chip.is-editing{box-shadow:0 0 0 2px color-mix(in srgb,var(--group-color) 30%,transparent)}
.mode-timer-summary.is-disabled{opacity:.58}.mode-timer-summary.is-disabled select{cursor:not-allowed}
@media(max-width:950px){.node-equivalent-compose{grid-template-columns:1fr 1fr}.node-equivalent-compose>div:first-child{grid-column:1/-1}.node-equivalent-actions{justify-content:stretch}.node-equivalent-actions button{flex:1}}
@media(max-width:620px){.node-map-tabs{display:grid;grid-template-columns:1fr 1fr}.node-equivalent-compose{grid-template-columns:1fr}.node-equivalent-compose>div:first-child{grid-column:auto}.node-equivalent-actions{display:grid;grid-template-columns:1fr 1fr}.node-equivalent-actions .primary{grid-column:1/-1}}

/* V6.3.1 · Stable equivalent-node workspace and compact top-right tabs */
.node-map-modal-layout{grid-template-rows:auto auto minmax(0,1fr) auto!important;gap:10px!important}
.node-map-modal-layout .node-activity-head{position:relative!important;min-height:54px!important;padding:0 545px 0 0!important}
.node-map-header-tools{position:absolute;top:0;right:68px;z-index:21;display:flex;align-items:center;justify-content:flex-end;gap:8px;max-width:520px}
.node-map-header-tools .node-map-tabs{flex:0 1 auto;min-width:0;margin:0;padding:4px;box-shadow:0 8px 20px rgba(31,70,109,.07)}
.node-map-header-tools .node-map-tabs button{min-height:40px;padding:0 13px;white-space:nowrap}
.node-map-header-tools .node-map-icon-button{position:static!important;inset:auto!important;right:auto!important;top:auto!important;flex:0 0 42px}
.node-map-modal-layout .node-equivalent-panel{padding:7px 9px;gap:7px}
.node-map-modal-layout .node-equivalent-compose{grid-template-columns:minmax(170px,1fr) minmax(170px,250px) auto;gap:8px}
.node-map-modal-layout .node-equivalent-compose input{height:38px}
.node-map-modal-layout .node-equivalent-actions button{min-height:38px!important;height:38px!important}
.node-map-modal-layout .node-equivalent-groups{min-height:0;max-height:38px;overflow-x:auto;overflow-y:hidden}
.node-map-modal-layout .node-activity-viewport{min-height:360px!important}
.node-map-modal-layout[data-node-map-tab="equivalence"] .node-activity-viewport{box-shadow:0 0 0 1px rgba(103,87,217,.06),0 14px 32px rgba(31,70,109,.07)}
@media(max-width:1120px){
  .node-map-modal-layout .node-activity-head{padding-right:455px!important}
  .node-map-header-tools{max-width:430px}.node-map-header-tools .node-map-tabs button{padding:0 9px;font-size:9px}
}
@media(max-width:860px){
  .node-map-modal-layout{grid-template-rows:auto auto minmax(0,1fr) auto!important}
  .node-map-modal-layout .node-activity-head{padding-right:48px!important;min-height:0!important}
  .node-map-header-tools{position:static;max-width:none;width:100%;margin-top:9px;justify-content:space-between}
  .node-map-header-tools .node-map-tabs{flex:1;display:grid;grid-template-columns:1fr 1fr}
  .node-map-header-tools .node-map-tabs button{white-space:normal;padding:6px 8px}
  .node-map-header-tools .node-map-icon-button{flex-basis:42px}
  .node-map-modal-layout .node-equivalent-compose{grid-template-columns:1fr 1fr}.node-map-modal-layout .node-equivalent-compose>div:first-child{grid-column:1/-1}
}
@media(max-width:620px){
  .node-map-header-tools{align-items:stretch}.node-map-header-tools .node-map-icon-button{height:auto!important;min-height:42px!important}
  .node-map-modal-layout .node-equivalent-compose{grid-template-columns:1fr}.node-map-modal-layout .node-equivalent-compose>div:first-child{grid-column:auto}
  .node-map-modal-layout .node-equivalent-groups{max-height:34px}
}


/* V6.3.2 · Equivalent-group editing clarity and camera preservation */
.node-map-modal-layout [data-node-map-panel][hidden]{display:none!important}
.node-equivalent-members{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px;align-items:start;padding:7px 9px;border:1px solid #e0e8f1;border-radius:12px;background:#fff}
.node-equivalent-members[hidden]{display:none!important}.node-equivalent-members>b{display:flex;align-items:center;gap:5px;padding-top:5px;color:#36516f;font-size:9px;white-space:nowrap}.node-equivalent-members>b em{font-style:normal;color:#765bd4}.node-equivalent-members>div{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}.node-equivalent-members span{display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;max-width:230px;padding:5px 5px 5px 9px;border:1px solid #d8e2ed;border-radius:999px;background:#f7f9fc;color:#425a73;font-size:8px;font-weight:850;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.node-equivalent-members span button{flex:0 0 22px;width:22px;height:22px;padding:0;border:0;border-radius:50%;background:#fff;color:#b53349;cursor:pointer;font-size:13px}.node-equivalent-members span button:hover{background:#ffecef}
.node-equivalent-chip button{width:auto!important;min-width:0;height:27px!important;padding:0 8px!important;border-radius:8px!important;font-size:8px!important;font-weight:900!important}.node-equivalent-chip .node-equivalent-edit{color:#405d86!important}.node-equivalent-chip .node-equivalent-delete{color:#b12e45!important;background:#fff1f3!important}.node-equivalent-delete-current{background:#fff0f2!important;border-color:#f2c5cc!important;color:#af2941!important}
@media(max-width:760px){.node-equivalent-members{grid-template-columns:1fr}.node-equivalent-members>b{padding-top:0}}

/* V6.4.1 · Mode unlock path layout polish */
.mode-unlock-flow-panel{margin:0 0 12px;border:1px solid #dce8f2;border-radius:18px;background:linear-gradient(145deg,#fff,#f6fbff);overflow:hidden;box-shadow:0 10px 28px rgba(33,91,136,.06)}
.mode-unlock-flow-panel.is-enabled{border-color:#b9d9f0;box-shadow:0 13px 32px rgba(31,116,175,.09)}
.mode-unlock-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 16px}.mode-unlock-head>div{display:flex;flex-direction:column;gap:3px}.mode-unlock-kicker{font-size:9px;letter-spacing:.16em;font-weight:950;color:#6e77b7}.mode-unlock-head strong{font-size:13px;color:#183a56}.mode-unlock-head small{font-size:10px;color:#7a8da0;line-height:1.35}
.mode-unlock-switch{display:flex;align-items:center;gap:8px;cursor:pointer;white-space:nowrap}.mode-unlock-switch input{position:absolute;opacity:0;pointer-events:none}.mode-unlock-switch span{position:relative;width:42px;height:23px;border-radius:999px;background:#cbd8e3;box-shadow:inset 0 0 0 1px rgba(66,90,112,.08);transition:.2s ease}.mode-unlock-switch span:after{content:"";position:absolute;left:3px;top:3px;width:17px;height:17px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(31,55,77,.22);transition:.2s ease}.mode-unlock-switch input:checked+span{background:linear-gradient(135deg,#1fa8d8,#6b61e7)}.mode-unlock-switch input:checked+span:after{transform:translateX(19px)}.mode-unlock-switch b{font-size:10px;color:#526b7f}
.mode-unlock-settings{padding:0 14px 14px;border-top:1px solid #e4edf4}.mode-unlock-formula{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 2px 8px}.mode-unlock-formula b{font-size:10px;color:#385971}.mode-unlock-formula span{font-size:10px;font-weight:850;color:#6d62c8;background:#f1efff;border-radius:999px;padding:5px 8px}
.mode-unlock-order{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;align-items:start}.mode-unlock-column{display:grid;gap:7px;align-content:start}.mode-unlock-order article{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:9px;align-items:center;padding:9px;border:1px solid #dfe9f2;border-radius:13px;background:#fff;box-shadow:0 3px 10px rgba(39,76,108,.035)}.mode-unlock-step{display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:linear-gradient(135deg,#e7f7ff,#eceaff);color:#285b9b;font-size:11px;font-weight:950}.mode-unlock-order article>div:nth-child(2){display:flex;flex-direction:column;gap:2px;min-width:0}.mode-unlock-order strong{font-size:11px;color:#1f4058}.mode-unlock-order small{font-size:9px;color:#7b8fa0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mode-unlock-move{display:grid;grid-template-rows:repeat(2,23px);gap:1px;padding:2px;border:1px solid #d8e5ef;border-radius:10px;background:linear-gradient(180deg,#f9fcfe,#edf4f8);box-shadow:inset 0 1px 0 #fff}.mode-unlock-move button{display:grid;place-items:center;width:27px;height:23px;padding:0;border:0;border-radius:7px;background:transparent;color:#526f87;cursor:pointer;transition:background .16s ease,color .16s ease,transform .16s ease}.mode-unlock-move button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.25;stroke-linecap:round;stroke-linejoin:round}.mode-unlock-move button:hover:not(:disabled){background:#fff;color:#087eb8;box-shadow:0 2px 7px rgba(39,92,126,.12);transform:translateY(-1px)}.mode-unlock-move button:focus-visible{outline:2px solid #67bfe5;outline-offset:1px}.mode-unlock-move button:disabled{opacity:.25;cursor:default}.mode-unlock-note{margin:9px 2px 0;font-size:9.5px;line-height:1.4;color:#72869a}
@media(max-width:900px){.mode-unlock-head{align-items:flex-start}.mode-unlock-order{grid-template-columns:1fr}}


/* V7.17.0 — long publication libraries: keep the complete DOM/event surface, but let
   the browser skip style/layout/paint work for project cards outside the scroll viewport. */
.project-list .project{content-visibility:auto;contain-intrinsic-size:auto 116px;contain:layout style paint}
.project-list .project:focus-within{content-visibility:visible}

/* V7.20.0 — Node Map hierarchy audit/override */
.node-hierarchy-panel{display:grid;gap:10px;padding:9px;border:1px solid #dde7f1;border-radius:15px;background:linear-gradient(180deg,#fbfdff,#f5f9fc)}
.node-hierarchy-panel[hidden]{display:none!important}
.node-hierarchy-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:3px 5px}.node-hierarchy-summary>div{display:grid;gap:3px}.node-hierarchy-summary b{font-size:11px;color:#294b70}.node-hierarchy-summary small{font-size:9px;line-height:1.35;color:#77879a}.node-hierarchy-confidence{flex:0 0 auto;padding:6px 9px;border-radius:999px;background:#eaf4ff;color:#2b65a4;font-size:8px;font-weight:950;letter-spacing:.08em}
.node-hierarchy-pickers,.node-hierarchy-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.node-hierarchy-pickers button,.node-hierarchy-actions button{min-height:38px!important;font-size:9px!important}.node-hierarchy-pickers button.active{box-shadow:0 0 0 3px rgba(48,87,164,.12)}
.node-hierarchy-values{display:grid;grid-template-columns:minmax(150px,.7fr) minmax(220px,1.3fr);gap:8px}.node-hierarchy-values article{display:grid;gap:4px;padding:9px 10px;border:1px solid #e0e8f1;border-radius:12px;background:#fff}.node-hierarchy-values span{font-size:8px;font-weight:900;color:#718399;text-transform:uppercase;letter-spacing:.07em}.node-hierarchy-values b{font-size:10px;color:#36516f;line-height:1.4;overflow-wrap:anywhere}.node-hierarchy-order{display:grid;gap:8px;padding:10px;border:1px solid #e0e8f1;border-radius:12px;background:#fff}.node-hierarchy-order>div:first-child{display:grid;gap:3px}.node-hierarchy-order>div:first-child b{font-size:10px;color:#36516f}.node-hierarchy-order>div:first-child small{font-size:9px;line-height:1.4;color:#77879a}.node-hierarchy-order-list{display:grid;gap:5px}.node-hierarchy-order-row{display:grid;grid-template-columns:26px 24px minmax(0,1fr) auto;align-items:center;gap:7px;padding:6px 7px;border:1px solid #e6edf5;border-radius:10px;background:#f8fbff;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease,opacity .15s ease}.node-hierarchy-order-row.is-dragging{z-index:4;border-color:#8eb8e7;box-shadow:0 10px 24px rgba(35,87,139,.16);background:#fff;opacity:.96}.node-hierarchy-order-list.is-reordering .node-hierarchy-order-row:not(.is-dragging){transition:transform .12s ease}.node-hierarchy-drag{display:grid!important;grid-template-columns:repeat(2,3px)!important;grid-template-rows:repeat(3,3px)!important;place-content:center!important;gap:2px!important;width:26px!important;min-width:26px!important;height:28px!important;min-height:28px!important;padding:0!important;border:0!important;border-radius:7px!important;background:transparent!important;cursor:grab!important;touch-action:none!important}.node-hierarchy-drag:active{cursor:grabbing!important}.node-hierarchy-drag i{display:block;width:3px;height:3px;border-radius:50%;background:#7e96ad}.node-hierarchy-drag i::after{content:"";display:block;width:3px;height:3px;border-radius:50%;background:#7e96ad;transform:translateX(5px)}.node-hierarchy-order-row em{display:grid;place-items:center;width:22px;height:22px;border-radius:7px;background:#e8f1ff;color:#345f9b;font-size:9px;font-weight:950;font-style:normal}.node-hierarchy-order-row span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:9px;font-weight:850;color:#3d5874}.node-hierarchy-order-row>div{display:flex;gap:4px}.node-hierarchy-order-row>div button{width:30px;min-width:30px!important;height:28px;min-height:28px!important;padding:0!important;font-size:12px!important}.node-hierarchy-order-empty{text-align:center;color:#8a9aaa;font-size:10px;padding:4px}
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-activity-viewport{box-shadow:0 0 0 1px rgba(32,139,198,.08),0 14px 32px rgba(31,70,109,.07)}
.node-map-header-tools .node-map-tabs{max-width:none}.node-map-header-tools .node-map-tabs button{padding-inline:11px}
html[data-theme="dark"] .node-hierarchy-panel{background:#132331;border-color:#30485b}html[data-theme="dark"] .node-hierarchy-values article,html[data-theme="dark"] .node-hierarchy-order{background:#172b3b;border-color:#30495b}html[data-theme="dark"] .node-hierarchy-order-row{background:#132331;border-color:#30495b}html[data-theme="dark"] .node-hierarchy-summary b,html[data-theme="dark"] .node-hierarchy-values b,html[data-theme="dark"] .node-hierarchy-order>div:first-child b,html[data-theme="dark"] .node-hierarchy-order-row span{color:#d8e8f5}html[data-theme="dark"] .node-hierarchy-summary small,html[data-theme="dark"] .node-hierarchy-values span,html[data-theme="dark"] .node-hierarchy-order>div:first-child small{color:#9db0c6}
@media(max-width:760px){.node-map-header-tools .node-map-tabs{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important}.node-hierarchy-values{grid-template-columns:1fr}.node-hierarchy-pickers,.node-hierarchy-actions{display:grid;grid-template-columns:1fr 1fr}}

/* V7.20.37 — administrator approval, usage telemetry and account control. */
.admin-page{display:grid;gap:16px}.admin-hero{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px}.admin-hero h2{margin:4px 0 6px;font-size:28px}.admin-hero p{margin:0;color:#6f8195}.admin-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.admin-summary article{padding:17px 18px;border:1px solid #dce6ef;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbfe);box-shadow:0 8px 22px rgba(32,74,109,.04)}.admin-summary span{display:block;font-size:10px;font-weight:900;color:#6e8195;text-transform:uppercase;letter-spacing:.05em}.admin-summary strong{display:block;margin-top:5px;font-size:25px;color:#1b3550}.admin-summary small{display:block;margin-top:3px;font-size:9px;color:#8192a3}.admin-library{padding:20px}.admin-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.admin-toolbar h3{margin:4px 0 5px}.admin-toolbar p{margin:0;color:#76889a;font-size:11px}.admin-filter{display:flex;gap:6px;padding:4px;border:1px solid #dfe7ef;border-radius:13px;background:#f5f8fb}.admin-filter button{padding:7px 11px;border:0;border-radius:9px;background:transparent;color:#60758b;font-size:10px;font-weight:900;cursor:pointer}.admin-filter button.active{background:#fff;color:#176eaa;box-shadow:0 4px 12px rgba(40,86,125,.1)}.admin-user-list{display:grid;gap:10px}.admin-user-row{display:grid;grid-template-columns:minmax(170px,1.25fr) repeat(5,minmax(90px,.72fr)) minmax(210px,1.25fr);gap:10px;align-items:center;padding:14px;border:1px solid #e0e8f0;border-radius:16px;background:#fff;content-visibility:auto;contain:layout style paint;contain-intrinsic-size:auto 92px}.admin-user-row.is-pending{border-color:#efd6a0;background:linear-gradient(90deg,#fffaf0,#fff)}.admin-user-row.is-online{box-shadow:inset 3px 0 0 #1ab977}.admin-user-ident{min-width:0}.admin-user-ident strong{display:flex;align-items:center;gap:7px;font-size:13px;color:#243d56;overflow-wrap:anywhere}.admin-user-ident small{display:block;margin-top:4px;font-size:9px;color:#7c8fa2}.admin-admin-badge,.admin-state-badge,.admin-online-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 7px;border-radius:999px;font-size:8px;font-weight:950}.admin-admin-badge{background:#ede8ff;color:#6552bf}.admin-state-badge.pending{background:#fff0c9;color:#926100}.admin-state-badge.approved{background:#e6f7ed;color:#18754a}.admin-online-badge.online{background:#e5f8ef;color:#13784a}.admin-online-badge.offline{background:#edf1f5;color:#6b7a8c}.admin-user-metric span{display:block;font-size:8px;font-weight:900;color:#8796a6;text-transform:uppercase}.admin-user-metric b{display:block;margin-top:3px;font-size:12px;color:#334d66}.admin-user-actions{display:flex;justify-content:flex-end;gap:6px;flex-wrap:wrap}.admin-user-actions button{padding:7px 9px;border-radius:10px;font-size:9px;font-weight:900}.admin-approve{background:#e8f8ef;color:#16744a;border:1px solid #bce7cf}.admin-user-actions .admin-delete{background:#fff2f3;color:#a83448;border:1px solid #efc9d0}.admin-activity{background:#eef5ff;color:#2b6090;border:1px solid #d6e4f2}.admin-status{min-height:16px;margin-bottom:10px;font-size:10px;color:#65798d}.admin-status.bad{color:#b03046}.admin-empty{padding:34px;text-align:center;color:#7a8ca0}.admin-activity-dialog{width:min(720px,94vw);padding:26px;overflow:auto}.admin-activity-dialog h2{margin:5px 0 18px}.admin-activity-list{display:grid;gap:9px}.admin-activity-session{display:grid;grid-template-columns:1.2fr 1.2fr .8fr .8fr;gap:8px;padding:12px;border:1px solid #e0e8f0;border-radius:13px;background:#f9fbfd}.admin-activity-session span{font-size:9px;color:#75879a}.admin-activity-session b{display:block;margin-top:3px;font-size:10px;color:#304a63}.workspace-pending-icon{width:62px;height:62px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#f0b23b,#e08235);color:#fff;font-size:27px;box-shadow:0 16px 36px rgba(224,130,53,.22)}.workspace-pending-dialog .primary{min-width:130px}.admin-delete-dialog::backdrop{background:rgba(7,18,34,.64)!important;backdrop-filter:blur(11px)!important;-webkit-backdrop-filter:blur(11px)!important}
html[data-theme="dark"] .admin-summary article,html[data-theme="dark"] .admin-user-row,html[data-theme="dark"] .admin-activity-session{background:#17232e!important;border-color:#2f4557!important}html[data-theme="dark"] .admin-summary strong,html[data-theme="dark"] .admin-user-ident strong,html[data-theme="dark"] .admin-user-metric b,html[data-theme="dark"] .admin-activity-session b{color:#e4f1f8!important}html[data-theme="dark"] .admin-filter{background:#10202b;border-color:#31495b}html[data-theme="dark"] .admin-filter button.active{background:#233a49;color:#a7ddfb}html[data-theme="dark"] .admin-user-row.is-pending{background:linear-gradient(90deg,#302916,#17232e)!important}
@media(max-width:1180px){.admin-summary{grid-template-columns:repeat(2,1fr)}.admin-user-row{grid-template-columns:minmax(180px,1.4fr) repeat(3,minmax(90px,.8fr));}.admin-user-row .admin-user-metric:nth-of-type(5),.admin-user-row .admin-user-metric:nth-of-type(6){display:none}.admin-user-actions{grid-column:1/-1;justify-content:flex-start}}
@media(max-width:720px){.admin-hero,.admin-toolbar{align-items:flex-start;flex-direction:column}.admin-summary{grid-template-columns:1fr 1fr}.admin-user-row{grid-template-columns:1fr 1fr}.admin-user-ident,.admin-user-actions{grid-column:1/-1}.admin-activity-session{grid-template-columns:1fr 1fr}}


/* V7.20.38 — admin-only shell + overflow-safe normal-account Studio navigation. */
body.admin-only-workspace #studioSectionTabs{display:none!important}
body.admin-only-workspace #studioPage,
body.admin-only-workspace #classesPage,
body.admin-only-workspace #themesPage,
body.admin-only-workspace #notesPage,
body.admin-only-workspace #presentationPage,
body.admin-only-workspace #rushPage,
body.admin-only-workspace #demoDirectorPage,
body.admin-only-workspace #fullscreenButtonPage,
body.admin-only-workspace #maintenancePage{display:none!important}
body.admin-only-workspace #adminPage{width:min(1480px,calc(100% - 28px));margin-top:18px}
body:not(.admin-only-workspace) .studio-section-tabs{
  width:min(1460px,calc(100% - 24px));
  display:grid;
  grid-template-columns:repeat(9,minmax(0,1fr));
  align-items:stretch;
  justify-content:stretch;
  gap:5px;
  padding:5px;
  overflow:hidden;
}
body:not(.admin-only-workspace) .studio-section-tabs button{
  min-width:0;
  min-height:44px;
  width:100%;
  padding:8px 7px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  white-space:normal;
  overflow-wrap:anywhere;
  line-height:1.12;
  font-size:clamp(10px,.72vw,13px);
}
@media(max-width:1180px){body:not(.admin-only-workspace) .studio-section-tabs{grid-template-columns:repeat(5,minmax(0,1fr));width:min(980px,calc(100% - 20px))}}
@media(max-width:720px){body:not(.admin-only-workspace) .studio-section-tabs{grid-template-columns:repeat(3,minmax(0,1fr));width:calc(100% - 14px);gap:4px}body:not(.admin-only-workspace) .studio-section-tabs button{min-height:42px;font-size:10px;padding:7px 5px}}

/* V7.20.39 — Rush-style Presentation language policy. */
.presentation-language-config{display:grid;grid-template-columns:1fr;gap:8px;min-width:0}.presentation-language-config .field{min-width:0}.presentation-language-config .field small{display:block;margin-top:5px;color:#7a8da0;font-size:8.5px;line-height:1.35}.presentation-language-config #presentationDefaultLanguageField{padding-top:7px;border-top:1px dashed #dbe6ef}html[data-theme="dark"] .presentation-language-config #presentationDefaultLanguageField{border-top-color:#365064}.presentation-language-config [hidden]{display:none!important}

/* V7.20.45 Presentation control previews */
.presentation-control-checks label{display:grid!important;grid-template-columns:auto 30px minmax(0,1fr);align-items:center;column-gap:8px}
.presentation-control-preview{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:linear-gradient(145deg,rgba(75,144,230,.14),rgba(91,81,205,.08));border:1px solid rgba(91,120,185,.14);font-size:13px;font-weight:950;line-height:1;overflow:hidden}
.presentation-control-preview.image img{display:block;width:27px;height:27px;object-fit:contain}
.presentation-control-child .presentation-control-preview{transform:scale(.92)}

/* V7.20.48 — hierarchy panel must never squeeze the Node Map preview. */
.node-map-modal-layout{
  grid-template-rows:auto auto minmax(0,1fr) auto!important;
}
.node-map-modal-layout .node-activity-head{grid-row:1!important}
.node-map-modal-layout [data-node-map-panel]{grid-row:2!important;min-height:0}
.node-map-modal-layout .node-activity-viewport{grid-row:3!important;min-height:0!important}
.node-map-modal-layout .node-activity-actions{grid-row:4!important}
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-panel{
  max-height:min(250px,30dvh);
  overflow-y:auto;
  overscroll-behavior:contain;
  scrollbar-gutter:stable;
  padding-right:7px;
}
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-order-list{
  max-height:112px;
  overflow-y:auto;
  overscroll-behavior:contain;
  scrollbar-gutter:stable;
  padding-right:4px;
  scrollbar-width:thin;
}
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-activity-viewport{
  min-height:320px!important;
}
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-panel::-webkit-scrollbar,
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-order-list::-webkit-scrollbar{width:9px}
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-panel::-webkit-scrollbar-thumb,
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-order-list::-webkit-scrollbar-thumb{background:#b8c9da;border:2px solid transparent;border-radius:999px;background-clip:padding-box}
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-panel::-webkit-scrollbar-track,
.node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-order-list::-webkit-scrollbar-track{background:transparent}
html[data-theme="dark"] .node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-panel::-webkit-scrollbar-thumb,
html[data-theme="dark"] .node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-order-list::-webkit-scrollbar-thumb{background:#526b7d;border:2px solid transparent;background-clip:padding-box}
@media(max-width:800px){
  .node-map-modal-layout[data-node-map-tab="hierarchy"] .node-hierarchy-panel{max-height:min(260px,34dvh)}
  .node-map-modal-layout[data-node-map-tab="hierarchy"] .node-activity-viewport{min-height:220px!important}
}

/* V7.20.50 — Node Map is a true scroll-isolated modal. */
html.node-map-open,body.node-map-open{overflow:hidden!important;overscroll-behavior:none!important}
.node-map-modal-layout{overscroll-behavior:contain!important}
.node-map-modal-layout .node-hierarchy-panel,.node-map-modal-layout .node-hierarchy-order-list,.node-map-modal-layout .node-activity-viewport{overscroll-behavior:contain!important}


/* V7.20.53 — per-map 100% mastery learner-options achievement toggle. */
.mastery-options-unlock-panel{margin:12px 0 14px;padding:14px 16px;border:1px solid #e4ddbc;border-radius:16px;background:linear-gradient(135deg,#fffdf3,#f7fbff);box-shadow:0 8px 22px rgba(71,83,112,.05)}
.mastery-options-unlock-panel.is-enabled{border-color:#e6c85c;background:linear-gradient(135deg,#fff9dc,#f8fbff);box-shadow:0 10px 26px rgba(181,145,34,.10)}
.mastery-options-unlock-head{align-items:center}.mastery-options-unlock-head .mode-unlock-kicker{color:#967018}.mastery-options-unlock-head strong{color:#31445f}.mastery-options-unlock-panel.is-enabled .mastery-options-unlock-head strong{color:#6d5310}
.mastery-options-unlock-switch span{background:#edf1f5}.mastery-options-unlock-switch input:checked+span{background:linear-gradient(135deg,#f0c846,#d9a825)}
.mastery-options-unlock-note{margin:10px 0 0;padding-top:9px;border-top:1px dashed rgba(154,128,47,.24);font-size:9px;line-height:1.5;color:#738195}
html[data-theme="dark"] .mastery-options-unlock-panel{background:linear-gradient(135deg,#282616,#17232e);border-color:#514c2e}html[data-theme="dark"] .mastery-options-unlock-head strong{color:#f0e4b1}html[data-theme="dark"] .mastery-options-unlock-note{color:#a9b7c4}

/* V7.22.2 — Written Answers workspace + coverage-gated Writing Only. */
.node-written-panel{display:grid;grid-template-columns:minmax(220px,.72fr) minmax(320px,1.28fr);gap:10px;padding:9px;border:1px solid #d9e8e3;border-radius:15px;background:linear-gradient(180deg,#fbfffd,#f4faf8);min-height:0}
.node-written-panel[hidden]{display:none!important}
.node-written-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid #dce9e5;border-radius:12px;background:#fff}.node-written-summary>div{display:grid;gap:4px;min-width:0}.node-written-summary b{font-size:10px;color:#285c50}.node-written-summary small{font-size:8px;line-height:1.4;color:#748c86}.node-written-summary>span{flex:0 0 auto;display:grid;place-items:center;min-width:58px;height:30px;padding:0 9px;border-radius:999px;background:#fff3dc;color:#9b6614;font-size:9px;font-weight:950}.node-written-summary>span.is-complete{background:#e8f8ef;color:#14764b}
.node-written-editor{min-width:0}.node-written-empty{display:grid;place-items:center;min-height:72px;padding:14px;border:1px dashed #cbdcd7;border-radius:12px;background:rgba(255,255,255,.7);color:#738a84;font-size:9px;font-weight:850;text-align:center}.node-written-fields{display:grid;grid-template-columns:minmax(150px,.7fr) minmax(240px,1.3fr) auto;gap:9px;align-items:end}.node-written-fields[hidden]{display:none!important}.node-written-node-head{grid-column:1/-1;display:flex;align-items:center;gap:9px;min-width:0}.node-written-node-head span{flex:0 0 auto;padding:4px 7px;border-radius:7px;background:#e8f5f0;color:#21745d;font-size:8px;font-weight:950}.node-written-node-head b{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#2d5360;font-size:10px}.node-written-fields label{display:grid;gap:4px;min-width:0;color:#54726c;font-size:8px;font-weight:900}.node-written-source{min-height:40px;max-height:78px;overflow:auto;padding:9px 10px;border:1px solid #d8e5e1;border-radius:10px;background:#f7fbfa;color:#355c55;font-size:9px;line-height:1.45}.node-written-fields textarea{width:100%;min-height:64px;max-height:100px;resize:vertical;padding:9px 10px;border:1px solid #cfdeda;border-radius:10px;background:#fff;color:#294d47;font:800 9px/1.45 inherit;outline:none}.node-written-fields textarea:focus{border-color:#4bab8d;box-shadow:0 0 0 3px rgba(75,171,141,.13)}.node-written-fields label small{font-size:7.5px;line-height:1.35;color:#81948f}.node-written-fields>button{min-height:40px!important;white-space:nowrap}
.node-map-modal-layout[data-node-map-tab="written"] .node-activity-viewport{box-shadow:0 0 0 1px rgba(34,154,107,.08),0 14px 32px rgba(31,70,109,.07)}
.written-recall-mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:0 14px 12px}.written-recall-mode-grid label{position:relative;display:block;cursor:pointer}.written-recall-mode-grid input{position:absolute;opacity:0;pointer-events:none}.written-recall-mode-grid span{display:grid;gap:3px;min-height:66px;padding:11px 12px;border:1px solid #dce6ee;border-radius:13px;background:#fff;transition:.16s ease}.written-recall-mode-grid b{font-size:10px;color:#39556b}.written-recall-mode-grid small{font-size:8px;line-height:1.4;color:#7b8c9b}.written-recall-mode-grid label.is-active span{border-color:#6ab7d9;background:linear-gradient(145deg,#f0fbff,#f6f5ff);box-shadow:0 0 0 2px rgba(74,148,207,.11)}.written-recall-mode-grid label.is-disabled{cursor:not-allowed;opacity:.48}.written-recall-coverage{margin:0 14px 11px;padding:8px 10px;border:1px solid #efddb7;border-radius:11px;background:#fff9ec;color:#8a651f;font-size:8.5px;font-weight:850}.written-recall-coverage.is-complete{border-color:#bfe5d0;background:#eefaf3;color:#24714e}
html[data-theme="dark"] .node-written-panel{background:linear-gradient(180deg,#142621,#16242a);border-color:#34564e}html[data-theme="dark"] .node-written-summary,html[data-theme="dark"] .node-written-fields textarea{background:#172831;border-color:#35544f;color:#d7ece6}html[data-theme="dark"] .node-written-source{background:#122329;border-color:#35504d;color:#cae2dc}html[data-theme="dark"] .written-recall-mode-grid span{background:#172630;border-color:#354b5a}html[data-theme="dark"] .written-recall-mode-grid b{color:#d7e8f2}
@media(max-width:1120px){.node-map-modal-layout .node-activity-head{padding-right:545px!important}.node-map-header-tools{max-width:520px!important}}
@media(max-width:900px){.node-written-panel{grid-template-columns:1fr}.node-written-fields{grid-template-columns:1fr 1fr}.node-written-fields>button{grid-column:1/-1}}
@media(max-width:760px){.node-map-header-tools .node-map-tabs{grid-template-columns:repeat(2,minmax(0,1fr))!important}.node-written-fields{grid-template-columns:1fr}.node-written-fields>button{grid-column:auto}.written-recall-mode-grid{grid-template-columns:1fr}}

/* V1.0.16 — published-map rename + overflow-safe Customize modal. */
.studio-tool-panel.customize-panel.studio-tool-panel--portal{
  overflow-y:auto!important;
  overflow-x:hidden!important;
  max-width:calc(100vw - 18px)!important;
  scrollbar-gutter:stable;
}
.studio-tool-panel.customize-panel.studio-tool-panel--portal .config-head,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .default-language-setting,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-unlock-flow-panel,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-config-grid,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-config-row,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-config-top,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-node-config,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-extra-config,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .arena-difficulty-config,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .published-customize-actions{
  min-width:0!important;
  max-width:100%!important;
}
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-config-top,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-node-config,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-extra-config{
  grid-column:1/-1;
}
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-node-config{
  grid-template-columns:minmax(120px,.75fr) minmax(0,1.4fr) minmax(96px,.5fr);
}
.studio-tool-panel.customize-panel.studio-tool-panel--portal .node-policy-options,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-node-config>div,
.studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-config-top>*{
  min-width:0;
}
.published-customize-actions{
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(280px,1fr) auto;
  align-items:end;
  gap:14px;
}
.published-customize-copy{display:flex;flex-direction:column;gap:3px;min-width:0;align-self:center}
.published-customize-copy strong,.published-customize-copy span{overflow-wrap:anywhere}
.published-customize-name{display:grid;gap:5px;min-width:0;color:#41617b;font-size:10px;font-weight:900}
.published-customize-name input{width:100%;min-width:0;padding:10px 11px;border:1px solid #cddfea;border-radius:11px;background:#fff;color:#203f59;font-size:12px;font-weight:800;outline:none}
.published-customize-name input:focus{border-color:#43a6d5;box-shadow:0 0 0 3px rgba(67,166,213,.12)}
.published-customize-name small{font-size:8.5px;line-height:1.35;color:#7b91a2;font-weight:750}
.published-customize-buttons{display:flex;gap:8px;justify-content:flex-end;white-space:nowrap}
html[data-theme="dark"] .published-customize-name{color:#b6d0df}
html[data-theme="dark"] .published-customize-name input{background:#101c26!important;border-color:#365064!important;color:#e8f3fa!important}
@media(max-width:1000px){
  .published-customize-actions{grid-template-columns:1fr;align-items:stretch}
  .published-customize-buttons{justify-content:flex-end;white-space:normal}
}
@media(max-width:720px){
  .studio-tool-panel.customize-panel.studio-tool-panel--portal .mode-node-config{grid-template-columns:1fr}
  .published-customize-buttons{display:grid;grid-template-columns:1fr 1fr}
}

/* V1.0.26 · portable Studio JSON + learner-facing Foramind brand visibility */
.branding-visibility-setting{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:10px 0 4px;padding:13px 15px;border:1px solid #dce7f1;border-radius:15px;background:linear-gradient(180deg,#fbfdff,#f6f9fc);cursor:pointer}
.branding-visibility-setting>div{display:grid;gap:3px;min-width:0}.branding-visibility-setting strong{font-size:11px;color:#31506c}.branding-visibility-setting span:not(.branding-toggle){font-size:9px;line-height:1.45;color:#7b8d9e}
.branding-toggle{position:relative;flex:0 0 auto;width:44px;height:24px}.branding-toggle input{position:absolute;opacity:0;pointer-events:none}.branding-toggle i{position:absolute;inset:0;border-radius:999px;background:#cbd6df;box-shadow:inset 0 0 0 1px rgba(68,91,113,.14);transition:.16s ease}.branding-toggle i::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 2px 7px rgba(23,48,70,.24);transition:.16s ease}.branding-toggle input:checked+i{background:#238cc8}.branding-toggle input:checked+i::after{transform:translateX(20px)}.branding-toggle input:focus-visible+i{outline:3px solid rgba(35,140,200,.2);outline-offset:2px}
.studio-json-import-button{display:inline-flex;align-items:center;gap:7px;min-height:42px}.studio-json-import-button>span:first-child{font-size:16px;font-weight:900}
html[data-theme="dark"] .branding-visibility-setting{background:linear-gradient(180deg,#172733,#14212b);border-color:#304859}html[data-theme="dark"] .branding-visibility-setting strong{color:#dceaf4}html[data-theme="dark"] .branding-visibility-setting span:not(.branding-toggle){color:#98adbd}
@media(max-width:720px){.branding-visibility-setting{align-items:flex-start}.studio-tools-row{flex-wrap:wrap}.studio-json-import-button{width:100%;justify-content:center}}

/* V1.0.33: a stable owner console with separate Admin and Video Share tabs. */
body.admin-only-workspace #studioSectionTabs:not([hidden]){
  display:grid!important;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  padding:8px;
  width:min(600px,calc(100% - 28px));
  margin:22px auto 12px;
  border:1px solid rgba(117,151,190,.20);
  border-radius:20px;
  background:#f6f9ff;
  box-shadow:0 12px 28px rgba(33,80,140,.08);
}
body.admin-only-workspace #studioSectionTabs:not([hidden]) button:not([hidden]){
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  min-width:0;
  padding:10px 16px;
  border-radius:14px;
  font-size:clamp(12px,1.15vw,16px);
  font-weight:850;
}
body.admin-only-workspace #studioSectionTabs button[aria-selected="true"]{
  background:linear-gradient(125deg,#0ea5e9,#4568ef)!important;
  color:#fff!important;
}
html[data-theme="dark"] body.admin-only-workspace #studioSectionTabs:not([hidden]){
  background:#162435;
  border-color:#34506b;
}
body.delegated-admin-workspace:not(.admin-only-workspace) .studio-section-tabs{grid-template-columns:repeat(4,minmax(0,1fr))!important}
.admin-admin-badge.is-superadmin{background:#e3f6ff;color:#0b6199;border:1px solid #b3ddf5}
.admin-role-btn.is-grant{background:#e8f8f5;color:#086a59;border:1px solid #aee8d7}
.admin-role-btn.is-revoke{background:#fff2ed;color:#a94e27;border:1px solid #f0cdbd}
.admin-role-btn:hover{filter:brightness(.96)}
.admin-role-dialog{width:min(490px,calc(100vw - 28px));padding:28px}
.admin-role-dialog-icon{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 14px;border-radius:17px;background:linear-gradient(145deg,#23b5df,#5b66ee);color:#fff;font-size:26px}
.admin-role-dialog h2{margin:4px 0 12px;text-align:center}
.admin-role-dialog p{color:#64758b;text-align:center;line-height:1.55}
.admin-role-dialog .confirm-actions{margin-top:20px}
@media(max-width:760px){
  body.delegated-admin-workspace:not(.admin-only-workspace) .studio-section-tabs{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  body.admin-only-workspace #studioSectionTabs:not([hidden]){width:calc(100% - 20px)}
}

/* V1.0.47-49: superadmin can author advanced Presentation and Rush while retaining owner console. */
body.admin-only-workspace #presentationPage:not([hidden]),
body.admin-only-workspace #rushPage:not([hidden]){display:block!important}
body.admin-only-workspace #studioSectionTabs:not([hidden]){grid-template-columns:repeat(5,minmax(0,1fr));width:min(1120px,calc(100% - 28px))}
@media(max-width:720px){body.admin-only-workspace #studioSectionTabs:not([hidden]){grid-template-columns:repeat(2,minmax(0,1fr));width:calc(100% - 20px)}}