/* Silicon Academy — the Curiosity workspace. Original layout and art direction. */
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/* Academy: a library of possibilities, with a clear next activity. */
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/* A quiet, full-screen teaching surface. */
.teaching-now .mode-rail,.teaching-now .context-panel,.teaching-now .workspace-header,.teaching-now #billing-banner{display:none!important}.teaching-now .app-shell{display:block!important}.teaching-now .view{padding:0!important}.classroom-shell.studio-call-shell{background:#f0f3f8;color:var(--ink);grid-template-rows:66px minmax(0,1fr) 72px}.studio-call-shell .classroom-top{background:white;color:var(--ink);border-bottom:1px solid var(--line);padding:0 22px;gap:16px}.studio-call-shell .classroom-title strong{font-size:14px;color:var(--ink)}.studio-call-shell .classroom-title small{font-size:10px;color:var(--muted)}.studio-call-shell .classroom-main{padding:12px;gap:12px;grid-template-columns:minmax(0,1fr) 280px}.studio-call-shell .studio-workspace{border:1px solid #dae1ed;border-radius:12px;overflow:hidden;background:white}.studio-call-shell .classroom-panel{background:white;color:var(--ink);border:1px solid var(--line);border-radius:12px;overflow:hidden}.studio-call-shell .workspace-tabbar{background:#fff;border-bottom:1px solid var(--line);min-height:48px}.workspace-mode-tabs button{font-size:12px;color:#6c7a91;border-radius:7px;min-height:34px}.workspace-mode-tabs button.active{background:#edf1ff;color:var(--brand-blue)}.studio-call-shell .workspace-actions button{color:var(--muted)}.board-save-status{font-size:10px;background:#eef7f2;color:#28755b;padding:5px 9px;border-radius:7px}.room-status{font-size:10px;color:#6a7890}.room-status.connected{color:#21836b}.room-status.error,.room-status.disconnected{color:#b74444}.studio-top-button{background:white;border:1px solid var(--line);color:var(--ink);min-height:35px;padding:8px 11px;font-size:11px}.end-room{background:#fff0ee;color:#aa514c;border:1px solid #f0d6d1;padding:9px 14px;border-radius:8px;font-size:11px}.studio-call-shell .whiteboard-toolbar{left:12px;top:15px;width:49px;background:white;border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:0 5px 18px #14233a0b;overflow:visible}.whiteboard-toolbar button{width:35px;height:35px;border-radius:7px;color:#65748d}.whiteboard-toolbar button.active{background:#e8edff;color:var(--brand-blue)}.whiteboard-toolbar .tool-group{border-color:var(--line)}.board-extra-tools{position:relative}.board-extra-tools summary{list-style:none;width:35px;height:35px;display:grid;place-items:center;font-size:21px;color:#65748d;cursor:pointer;border-radius:7px}.board-extra-tools summary::-webkit-details-marker{display:none}.board-extra-tools[open] summary{background:#e8edff;color:var(--brand-blue)}.board-extra-menu{position:absolute;left:48px;top:-100px;width:164px;padding:9px;background:white;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 35px #14233a20;z-index:15}.board-extra-menu .tool-group{display:flex;flex-wrap:wrap;gap:4px;flex-direction:row;padding:5px 0}.studio-call-shell .active-tool-status{left:76px;top:14px;color:var(--muted);background:#ffffffd9;border:1px solid var(--line);border-radius:7px;font-size:10px;max-width:calc(100% - 100px)}.studio-call-shell .board-placeholder strong{font-size:23px;letter-spacing:-.5px;color:#61718a}.studio-call-shell .board-placeholder small{font-size:12px;color:#8490a3;line-height:1.6;max-width:320px}.studio-call-shell .classroom-controls{background:#192945;color:white;border-top:0;box-shadow:none;gap:15px;padding:7px 24px}.studio-call-shell .control-button{background:transparent;color:#d5deed;border:0;min-width:47px;border-radius:9px}.studio-call-shell .control-button:hover{background:#ffffff12}.control-button small{font-size:10px}.classroom-tabs{border-color:var(--line);background:#f8f9fc;gap:0}.classroom-tabs button{font-size:10px;color:#748099;padding:10px 7px}.classroom-tabs button.active{color:var(--brand-blue);border-color:var(--brand-blue);background:#edf1ff}.chat-message{background:#f1f4fa;color:#536580;font-size:12px;border-radius:9px}.chat-message small{color:var(--brand-blue);font-size:10px}.chat-compose input{background:white;border:1px solid var(--line);border-radius:8px;color:var(--ink);font-size:12px;min-height:40px}.classroom-video-strip{padding:10px;background:white}.video-tile{background:#263a5c;border-radius:9px;border:0}.video-label{font-size:10px}.studio-safety-note p{font-size:10px;line-height:1.6}.shared-document{font-size:17px;line-height:1.8;padding:35px;color:var(--ink);max-width:850px;margin:20px auto}.document-toolbar{background:#fff;border-color:var(--line)}.document-toolbar button{font-size:13px;min-width:35px}/* Studio room: the canvas is the hero. Controls share the same brand system. */
.teaching-now .workspace{margin:0}.classroom-shell.studio-call-shell{background:#f0edf5;grid-template-rows:65px minmax(0,1fr) 74px}.studio-call-shell .classroom-top{background:#202749;color:white;border:0}.studio-call-shell .classroom-title strong{color:#fff;font-size:13px}.studio-call-shell .classroom-title small{color:#8d95b4;font-size:9px}.studio-call-shell .classroom-top .silicon-mark{width:30px;height:30px}.studio-call-shell .classroom-top .room-status{color:#c2bad4}.studio-call-shell .board-save-status{background:#ffffff10;color:#b8c997;font-size:9px}.studio-call-shell .studio-top-button{background:#ffffff08;border-color:#ffffff20;color:#cdc6df;font-size:10px}.studio-call-shell .end-room{background:#cbb9f2;color:#282d4b;border:0;font-size:10px}.studio-call-shell .classroom-main{padding:13px;gap:13px;grid-template-columns:minmax(0,1fr) 292px}.studio-call-shell .studio-workspace{border:1px solid #ded8e8;border-radius:15px}.studio-call-shell .workspace-tabbar{background:#fbfafd;min-height:49px;border-color:#ede8f3}.studio-call-shell .workspace-mode-tabs button{font-size:10px;color:#9a8eaa}.studio-call-shell .workspace-mode-tabs button.active{color:#736083;background:#ede6f6;border-radius:7px}.studio-call-shell .classroom-panel{border:1px solid #ded8e8;border-radius:15px;background:white}.studio-call-shell .classroom-controls{background:#f7f6f2;border-top:1px solid #e2dce8;color:#272d50;gap:20px}.studio-call-shell .control-button{color:#8e809e;min-width:50px}.studio-call-shell .control-button>span{width:33px;height:29px;background:#ece7f3;border-radius:8px;display:grid;place-items:center;margin:auto}.studio-call-shell .control-button small{font-size:8px;margin-top:5px}.studio-call-shell .control-button:hover{background:#ece6f4;color:#615276}.studio-call-shell .control-button.active{color:#3451df}.studio-call-shell .control-button.hangup{color:#b36f67}.studio-call-shell .whiteboard-toolbar{background:#fbfafd;border:1px solid #e3ddec;border-radius:12px;box-shadow:0 6px 16px #20274906}.studio-call-shell .whiteboard-toolbar button{color:#8b7aa0}.studio-call-shell .whiteboard-toolbar button.active{background:#e9e1f5;color:#6d508a}.studio-call-shell .classroom-tabs{background:#fcfbfe}.studio-call-shell .classroom-tabs button{font-size:9px;color:#aa9aba}.studio-call-shell .classroom-tabs button.active{background:#eee6f7;color:#7b6096;border-color:#b49fcf}.studio-call-shell .video-tile{background:#eae5f2;border-radius:10px;color:#847198}.studio-call-shell .video-avatar{color:#a590bd}.studio-call-shell .chat-message{background:#f2eef8;color:#776287;border-radius:10px}.studio-call-shell .active-tool-status{font-size:9px;color:#9686a7}.studio-call-shell .board-placeholder strong{font-weight:500;color:#a797b6}.studio-call-shell .board-placeholder small{color:#b3a5bf}.studio-call-shell .room-info{font-size:9px;color:#9d90aa}.studio-call-shell .board-page-tab{color:#9e8fac}.studio-call-shell .board-page-tab.active{background:#f0eaf8;color:#7a6095}.mode-rail .silicon-mark,.brand-symbol,.brand-mark,.mini-mark,.loading-mark{background-image:url('/assets/brand/mark.svg')!important}.view .primary-action{border-radius:9px;background:#202749;color:#fff;border-color:#202749}.view .primary-action:hover{background:#3451df;border-color:#3451df}.view .room-card-actions .primary-action{background:#f2eff8;color:#64567e;border-color:#f2eff8}
@media(min-width:1600px){.view,.studio-mode .view{padding-top:48px}.studio-feature,.academy-next{min-height:375px}.design-page-head{margin-bottom:40px}}
@media(max-width:1200px){.view,.studio-mode .view{padding:28px}.workspace-header,.studio-mode .workspace-header{padding:0 28px}.studio-feature,.academy-next{padding:26px}.studio-feature-copy,.academy-next>div{max-width:65%;width:65%}.studio-feature-art,.academy-next-art{right:-9%;width:48%;opacity:.85}.design-head-actions{flex-direction:column}.studio-shortcuts{gap:10px}.studio-shortcuts>button{padding:14px;gap:9px}.studio-shortcuts small{font-size:8px}.studio-day-layout,.academy-discovery{grid-template-columns:minmax(0,1.8fr) minmax(220px,1fr)}.studio-day-plan,.academy-week{padding:21px}.design-subject-grid{gap:11px}.subject-card-copy{padding:15px}.subject-card-copy strong{font-size:15px}.subject-art{height:130px}.subject-art img{height:170px}.room-card-body{padding:18px}}
@media(max-width:1000px){.app-shell,.app-shell.studio-mode{grid-template-columns:190px minmax(0,1fr)}.mode-rail,.studio-mode .mode-rail,.context-panel,.studio-mode .context-panel{width:190px;padding-inline:13px}.mode-rail>.silicon-mark:after{font-size:21px}.mode-rail>.silicon-mark:before{font-size:7px}.studio-day-layout,.academy-discovery{grid-template-columns:1fr}.studio-day-plan{display:flex;min-height:0}.day-agenda{display:flex;gap:20px}.day-agenda button{flex:1;border:0}.studio-day-plan h3{margin:12px 0}.studio-day-plan>.secondary-action{align-self:flex-end;margin-top:0}.agenda-art{display:none}.academy-week{display:grid;grid-template-columns:1fr 1fr;gap:9px 24px}.academy-week .mini-heading{grid-column:1/-1}.academy-week h3{grid-row:2/4;margin:9px 0}.academy-week p{margin:0}.academy-week>button{align-self:end;justify-self:start}.studio-feature-art,.academy-next-art{right:0;width:43%;opacity:1}.studio-feature-copy,.academy-next>div{width:58%;max-width:58%}.design-room-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.design-subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-art{height:150px}.subject-art img{height:200px}.studio-shortcuts{grid-template-columns:1fr}.studio-shortcuts small{font-size:10px}.studio-shortcuts>button{padding:16px}.design-page-head h1{font-size:30px}.design-page-head{align-items:flex-start}.design-row-actions{flex-direction:column}.studio-call-shell .classroom-main{grid-template-columns:minmax(0,1fr)}.studio-call-shell .classroom-panel{position:absolute;right:13px;top:78px;bottom:86px;width:292px;z-index:25;box-shadow:0 10px 35px #20274924}.studio-call-shell .classroom-main:has(.classroom-panel.hidden){grid-template-columns:1fr}}
@media(max-width:760px){.app-shell,.app-shell.studio-mode{display:block}.workspace{width:100%}.mode-rail,.studio-mode .mode-rail{inset:auto 0 0;width:100%;height:65px;padding:7px 15%;border-radius:0;z-index:60}.mode-rail>.silicon-mark{display:none!important}.mode-nav,.studio-mode .mode-nav{padding:0;border:0;background:transparent;gap:7px}.mode-button,.studio-mode .mode-button{min-height:50px;padding:4px;font-size:9px}.context-panel,.studio-mode .context-panel{position:fixed;width:260px;inset:0 auto 65px 0;height:calc(100dvh - 65px);padding:32px 20px;transform:translateX(-100%);transition:transform .2s;z-index:70}.context-panel.open,.studio-mode .context-panel.open{transform:translateX(0)}.context-head>.icon-button{display:grid;background:#ffffff09;color:#fff;border:0}.context-head strong{font-size:18px;text-transform:none;color:#fff}.mobile-menu{display:grid;color:#202749}.workspace-header,.studio-mode .workspace-header{height:67px;padding:0 21px}.search-trigger p{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-trigger kbd,.profile-switch p{display:none}.view,.studio-mode .view{padding:25px 21px 90px}.design-page-head{flex-direction:column;gap:18px;margin-bottom:24px}.design-head-actions{flex-direction:row;flex-wrap:wrap}.design-page-head h1{font-size:31px}.design-page-head p{font-size:12px}.studio-feature,.academy-next{min-height:315px;padding:26px}.studio-feature h2,.academy-next h2{font-size:33px}.studio-feature-art,.academy-next-art{width:45%;right:-4%;bottom:-25px;opacity:.8}.studio-feature-copy,.academy-next>div{max-width:65%;width:65%}.studio-day-plan{padding:22px}.day-agenda{flex-direction:column;gap:0}.day-agenda button{border-bottom:1px solid #f1edf5;padding:13px 0}.studio-day-plan>.secondary-action{align-self:flex-start}.studio-shortcuts{gap:10px}.design-room-grid{gap:14px}.room-cover{height:137px}.room-cover img{height:190px;top:-23px}.room-card-body{padding:18px}.room-card-actions{gap:4px}.room-card-actions button{padding:8px 11px}.design-section-head h2{font-size:23px}.design-section-head>button{font-size:10px;padding:8px;min-height:32px}.design-help-strip{flex-wrap:wrap}.design-help-strip p{min-width:210px}.studio-empty-room{padding:20px;gap:10px}.studio-empty-room>img{width:110px}.studio-empty-room h3{font-size:23px}.academy-reflection{padding:23px;flex-direction:column;align-items:flex-start}.academy-reflection>button{margin-left:48px}.academy-week h3{font-size:25px}.design-welcome{padding:25px;grid-template-columns:1fr 85px;gap:15px}.design-welcome h2{font-size:30px}.design-large-icon svg{width:70px}.design-lesson-row{padding:18px;gap:12px;flex-wrap:wrap}.design-row-actions{width:100%;flex-direction:row;justify-content:flex-end}.design-status{font-size:8px}.design-profile-summary{flex-wrap:wrap}.design-profile-summary strong{overflow-wrap:anywhere}.page-head h1{font-size:30px}.page-head p{font-size:12px}.modal{width:calc(100% - 24px);max-height:90dvh}.modal-head,.modal-body{padding:22px}.form-field input,.form-field textarea,.form-field select{font-size:16px}.form-grid{grid-template-columns:1fr}.teaching-now .mode-rail{display:none!important}.studio-call-shell .classroom-top{padding:0 12px;gap:9px}.studio-call-shell .classroom-title strong{font-size:11px;max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.studio-call-shell .classroom-title small{display:none}.studio-call-shell .classroom-top-centre{flex-direction:column;gap:2px}.studio-call-shell .board-save-status{font-size:8px;padding:2px 5px}.studio-call-shell .room-status{font-size:8px}.studio-call-shell .classroom-main{padding:6px}.studio-call-shell .classroom-controls{gap:4px;padding:5px 7px;overflow-x:auto;justify-content:flex-start}.studio-call-shell .control-button{min-width:44px;flex-shrink:0}.studio-call-shell .classroom-panel{right:6px;top:73px;bottom:80px;width:min(292px,92vw)}.studio-call-shell .room-info{display:none}.studio-call-shell .workspace-mode-tabs button{font-size:9px;padding:7px}.studio-call-shell .workspace-mode-tabs svg{display:none}.studio-call-shell .workspace-tabbar{flex-wrap:wrap}.studio-call-shell .workspace-actions{margin-left:auto}.studio-call-shell .whiteboard-toolbar{left:8px;top:45px}.studio-call-shell .active-tool-status{left:8px;top:9px;max-width:calc(100% - 16px)}.active-tool-status small{display:none}.board-extra-menu{top:-40px}.studio-call-shell .classroom-top .silicon-mark{width:25px;height:25px}.shared-document{padding:25px;font-size:16px}.workspace-access-strip{grid-template-columns:1fr}.workspace-header .header-tools{gap:5px}.data-table td{padding:13px}}
@media(max-width:450px){.view,.studio-mode .view{padding-inline:16px}.workspace-header,.studio-mode .workspace-header{padding-inline:16px}.studio-feature,.academy-next{padding:25px;min-height:365px}.studio-feature-copy,.academy-next>div{width:100%;max-width:100%;padding-right:40px}.studio-feature-art,.academy-next-art{width:155px;height:150px;right:-15px;bottom:-12px;opacity:.4}.studio-feature h2,.academy-next h2{font-size:33px;max-width:270px}.studio-feature p,.academy-next p{max-width:250px}.feature-footnote{max-width:200px}.design-room-grid{grid-template-columns:1fr}.room-cover{height:165px}.room-cover img{height:230px;top:-35px}.room-card-actions button{font-size:11px}.design-subject-grid{gap:12px}.subject-art{height:120px}.subject-art img{height:155px;margin-top:-16px}.subject-card-copy{padding:16px 12px 21px}.subject-card-copy strong{font-size:15px}.subject-card-copy small{font-size:9px;max-width:100px}.design-subject>b{right:12px;bottom:40px;font-size:13px}.studio-empty-room{flex-direction:column;text-align:center}.studio-empty-room>img{width:170px;margin:-20px 0}.academy-week{gap:10px}.week-progress strong{font-size:26px}.week-progress>span{font-size:8px}.search-trigger p{max-width:125px}.classroom-brand .silicon-mark{display:none!important}.studio-call-shell .classroom-title strong{max-width:105px}.studio-call-shell .studio-top-button{padding:7px}.studio-call-shell .end-room{padding:8px;font-size:9px}}

/* Silicon Form: fixed optical frames prevent inherited pill borders and clipping. */
.app-shell .mode-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;min-width:0;overflow:visible}
.app-shell .mode-button .mode-glyph,.app-shell .mode-button.active .mode-glyph{display:grid;place-items:center;width:28px;height:28px;min-width:28px;min-height:28px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;color:inherit;line-height:0;flex:0 0 28px}
.app-shell .mode-glyph .si-icon{width:23px;height:23px;max-width:none;max-height:none;margin:0;display:block}
.app-shell .mode-button small{line-height:1.25;text-align:center;white-space:nowrap;font-weight:600}
.app-shell .mode-button.active,.app-shell .mode-button.active:hover{color:#202749;background:#cbb9f2;box-shadow:inset 0 1px 0 #ffffff55}
.app-shell .context-link .nav-icon,.app-shell .context-link.active .nav-icon{display:grid;place-items:center;width:28px;height:28px;min-width:28px;padding:0;border:0;border-radius:8px;background:transparent;color:inherit;box-shadow:none;flex:0 0 28px;line-height:0}
.app-shell .context-link .nav-icon .si-icon{width:21px;height:21px;margin:0}
.app-shell .context-link.active{background:#ffffff0e;color:#fff;box-shadow:none}
.app-shell .context-link.active .nav-icon{background:#ffffff0a;color:#d8cafa}
.app-shell .empty-state>div{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;text-align:center}
.app-shell .empty-state>div>span:first-child,.app-shell .design-empty>span:first-child{display:grid;place-items:center;width:68px;height:68px;min-width:68px;margin:0 auto 5px;padding:0;border:1px solid #ded7ed;border-radius:21px;background:linear-gradient(145deg,#faf8ff,#e9e2f6);color:#64538f;box-shadow:inset 0 1px 0 #fff,0 5px 14px #20274906;line-height:0}
.app-shell .empty-state>div>span:first-child .si-icon,.app-shell .design-empty>span:first-child .si-icon{width:32px;height:32px;margin:0;max-width:100%;max-height:100%}
.app-shell .empty-state h3{font-size:18px;line-height:1.35;margin:18px 0 8px}
.app-shell .empty-state p{margin:0 auto;max-width:440px;font-size:13px;line-height:1.7}
.app-shell .empty-state{min-height:240px;padding:36px 24px}
.app-shell .empty-state button{margin-top:18px}
.si-icon{vertical-align:middle;overflow:visible}
@media(min-width:761px){.app-shell .mode-rail:has(.mode-button:nth-child(3)){height:252px}.app-shell .mode-nav:has(.mode-button:nth-child(3)){display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}.app-shell .mode-nav:has(.mode-button:nth-child(3)) .mode-button{min-height:68px;padding:8px 3px}.app-shell .mode-nav:has(.mode-button:nth-child(3)) .mode-button small{font-size:10px}.app-shell:has(.mode-button:nth-child(3)) .context-panel{padding-top:266px}}
@media(max-width:760px){.app-shell .mode-button .mode-glyph{width:24px;height:24px;min-width:24px;min-height:24px;flex-basis:24px}.app-shell .mode-glyph .si-icon{width:21px;height:21px}.app-shell .mode-button{gap:4px}.app-shell .empty-state{padding:28px 16px}}