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24px;overflow:auto}.stage-asset-picker__grid{gap:var(--cl-space-5);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.stage-asset-picker__asset{align-items:center;gap:var(--cl-space-5);border:1px solid var(--cl-border);border-radius:var(--cl-radius-xl);min-width:0;min-height:76px;padding:var(--cl-space-5);background:color-mix(in srgb, var(--cl-s3) 62%, transparent);color:var(--cl-text-1);font-family:var(--cl-font-sans);text-align:start;cursor:pointer;transition:border-color var(--cl-dur-fast) var(--cl-ease), background var(--cl-dur-fast) var(--cl-ease), transform var(--cl-dur-fast) var(--cl-ease);grid-template-columns:42px minmax(0,1fr) auto;display:grid}.stage-asset-picker__asset:hover:not(:disabled){border-color:color-mix(in srgb, var(--cl-blue) 50%, transparent);background:color-mix(in srgb, var(--cl-blue) 10%, var(--cl-s3));transform:translateY(-1px)}.stage-asset-picker__asset[data-selected=true]{border-color:color-mix(in srgb, var(--cl-live) 48%, transparent);background:var(--cl-live-soft);cursor:default}.stage-asset-picker__asset-icon{border-radius:var(--cl-radius-lg);background:var(--cl-blue-soft);width:42px;height:42px;color:var(--cl-blue);place-items:center;display:grid}.stage-asset-picker__asset-icon-svg{width:21px;height:21px}.stage-asset-picker__media-glyph{font-size:16px}.stage-asset-picker__asset-copy{gap:var(--cl-space-2);min-width:0;display:grid}.stage-asset-picker__asset-name{font-size:var(--cl-text-ui);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.stage-asset-picker__asset-meta{color:var(--cl-text-3);font-family:var(--cl-font-mono);font-size:9px}.stage-asset-picker__asset-action{border-radius:var(--cl-radius-pill);padding:var(--cl-space-3) var(--cl-space-5);background:var(--cl-blue-soft);color:var(--cl-blue);font-size:var(--cl-text-meta);font-weight:800}.stage-asset-picker__asset[data-selected=true] .stage-asset-picker__asset-action{background:var(--cl-live-soft);color:var(--cl-live)}.stage-asset-picker__empty{align-content:center;place-items:center;gap:var(--cl-space-5);border:1px dashed var(--cl-border-strong);border-radius:var(--cl-radius-xl);min-height:210px;color:var(--cl-text-2);text-align:center;display:grid}.stage-asset-picker__empty>svg{width:30px;height:30px;color:var(--cl-blue)}.stage-asset-picker__empty-title{color:var(--cl-text-1);font-size:var(--cl-text-title)}.stage-asset-picker__empty p{max-width:360px;color:var(--cl-text-3);font-size:var(--cl-text-ui);margin:0;line-height:1.55}.stage-asset-picker__footer{justify-content:space-between;align-items:center;gap:var(--cl-space-6);border-top:1px solid var(--cl-border);min-height:54px;padding:var(--cl-space-5) 24px;background:color-mix(in srgb, var(--cl-s3) 42%, transparent);display:flex}.stage-asset-picker__footer p{color:var(--cl-text-3);font-size:var(--cl-text-meta);margin:0}.classroom-stage__controls{justify-content:space-between;align-items:center;gap:var(--cl-space-4);border:0;border-top:1px solid var(--cl-border);min-height:44px;padding:var(--cl-space-3) var(--cl-space-6);background:var(--cl-bar);border-radius:0;grid-area:controls;display:flex;overflow:visible}.classroom-stage__controls .ui-toggle-button,.classroom-stage__controls .ui-icon-button,.classroom-stage__controls .ui-button[data-size=sm]{min-block-size:var(--cl-h-control);border-radius:var(--cl-radius-lg)}.classroom-stage__controls .ui-toggle-button{min-inline-size:0;padding-inline:var(--cl-space-5)}.classroom-stage__controls .ui-toggle-button__state{display:none}.media-controls{gap:var(--cl-space-3)}.classroom-stage__control-group{gap:var(--cl-space-5)}.classroom-page[data-role=student] .classroom-primary-grid{grid-template-rows:minmax(0, 1fr) var(--camera-row) 0}.classroom-page[data-role=student] .classroom-stage__controls{z-index:30;border:1px solid var(--cl-border-strong);width:max-content;max-width:calc(100% - 24px);min-height:52px;padding:var(--cl-space-3);background:color-mix(in srgb, var(--cl-s2) 88%, transparent);box-shadow:var(--cl-shadow-pop);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-radius:18px;position:absolute;inset-block-end:calc(var(--camera-row) + var(--cl-space-6));inset-inline-start:50%;transform:translate(-50%)}[dir=rtl] .classroom-page[data-role=student] .classroom-stage__controls{transform:translate(50%)}.classroom-page[data-role=student] .classroom-stage__content{padding-block-end:62px}.classroom-mobile-action{display:none}.camera-rail{border:0;border-top:1px solid var(--cl-border);background:var(--cl-bar);border-radius:0;grid-area:cameras;min-width:0;min-height:0;display:flex;overflow:hidden}.camera-surface__header{min-height:26px;max-height:26px;padding:0 var(--cl-space-5);border-bottom:0}.camera-surface__header h2{color:var(--cl-text-4);font-family:var(--cl-font-mono);font-size:var(--cl-text-meta);text-transform:lowercase;font-weight:500}.camera-surface__header .ui-button{min-block-size:24px}.camera-rail__list{gap:var(--cl-space-4);min-height:0;padding:0 var(--cl-space-5) var(--cl-space-4);flex-direction:row;flex:1;display:flex;overflow:auto hidden}.media-tile[data-media-variant=rail]{aspect-ratio:16/9;border-color:var(--cl-border-strong);border-radius:var(--cl-radius-lg);background:linear-gradient(150deg, var(--cl-s4), #101317 72%);flex:none;width:clamp(126px,15vw,172px);min-height:0}.media-tile[data-media-variant=rail][data-media-local=true]{border-color:color-mix(in srgb, var(--cl-blue) 72%, var(--cl-border))}.media-tile__label{padding:20px var(--cl-space-4) var(--cl-space-3);font-size:var(--cl-text-meta)}.media-tile__label .text-sm{font-size:var(--cl-text-meta);font-weight:500}.participants-panel,.chat-panel,.transcript-panel,.notes-panel,.whiteboard-panel{background:0 0}.classroom-notes-layer>.notes-panel{border-radius:inherit;border:0}.participants-panel__summary,.chat-panel__header,.transcript-panel__header,.notes-panel>header{border-bottom-color:var(--cl-border);min-height:34px;padding:var(--cl-space-4) var(--cl-space-5)}.participants-panel__summary h2,.chat-panel__header h2,.transcript-panel__header h2,.notes-panel h2{font-size:var(--cl-text-ui);font-weight:600}.chat-panel__messages,.participants-panel__list,.transcript-panel__segments{scrollbar-color:var(--cl-s5) transparent}.chat-panel__messages{min-height:0;padding:var(--cl-space-3);text-align:start;flex-direction:column;flex:1;gap:2px;margin:0;list-style:none;display:flex;overflow-y:auto}.chat-panel__messages>:not(:first-child){margin-top:0}.chat-message{align-items:start;gap:var(--cl-space-3);border-radius:var(--cl-radius-lg);min-width:0;padding:var(--cl-space-3);transition:background var(--cl-dur-fast) var(--cl-ease);grid-template-columns:30px minmax(0,1fr);display:grid}.chat-message:hover{background:color-mix(in srgb, var(--cl-s3) 72%, transparent)}.chat-message__avatar{border:1px solid color-mix(in srgb, var(--chat-avatar) 34%, var(--cl-border));background:color-mix(in srgb, var(--chat-avatar) 13%, var(--cl-s2));block-size:28px;inline-size:28px;color:color-mix(in srgb, var(--chat-avatar) 78%, white);letter-spacing:.01em;border-radius:999px;place-items:center;font-size:.58rem;font-weight:800;display:grid}.chat-message__avatar[data-tone=blue]{--chat-avatar:var(--cl-blue)}.chat-message__avatar[data-tone=teal]{--chat-avatar:var(--cl-teal)}.chat-message__avatar[data-tone=amber]{--chat-avatar:var(--cl-amber)}.chat-message__avatar[data-tone=violet]{--chat-avatar:#8f86df}.chat-message__avatar[data-tone=rose]{--chat-avatar:#df619d}.chat-message__body{min-width:0}.chat-message__meta{align-items:baseline;gap:var(--cl-space-3);min-width:0;display:flex}.chat-message__author{color:var(--cl-text-1);font-size:var(--cl-text-ui);text-overflow:ellipsis;white-space:nowrap;font-weight:650;line-height:1.25;overflow:hidden}.chat-message[data-participant-role=teacher] .chat-message__author{color:color-mix(in srgb, var(--cl-blue) 84%, white)}.chat-message__meta time{color:var(--cl-text-4);font-size:var(--cl-text-meta);white-space:nowrap;margin-inline-start:auto}.chat-message>p{margin-top:var(--cl-space-1);color:var(--cl-text-2);font-size:var(--cl-text-body);line-height:1.5}.chat-message__body>p{color:var(--cl-text-2);font-size:var(--cl-text-body);overflow-wrap:anywhere;margin:3px 0 0;line-height:1.52}.chat-panel__loading{gap:var(--cl-space-5);padding:var(--cl-space-4) var(--cl-space-3);display:grid}.chat-panel__skeleton{gap:var(--cl-space-2) var(--cl-space-3);grid-template-rows:10px 20px;grid-template-columns:28px minmax(0,1fr);animation:1.5s ease-in-out infinite chat-skeleton-pulse;display:grid}.chat-panel__skeleton i{background:var(--cl-s4);border-radius:999px;grid-row:1/3}.chat-panel__skeleton b,.chat-panel__skeleton em{background:var(--cl-s3);border-radius:999px}.chat-panel__skeleton b{width:45%}.chat-panel__skeleton em{width:82%}@keyframes chat-skeleton-pulse{50%{opacity:.48}}.chat-panel__empty{place-content:center;justify-items:center;gap:var(--cl-space-3);min-height:100%;padding:var(--cl-space-7) var(--cl-space-5);color:var(--cl-text-3);text-align:center;display:grid}.chat-panel__empty-icon{border:1px solid color-mix(in srgb, var(--cl-blue) 26%, var(--cl-border));background:color-mix(in srgb, var(--cl-blue) 11%, var(--cl-s3));block-size:44px;inline-size:44px;color:var(--cl-blue);box-shadow:0 12px 30px color-mix(in srgb, var(--cl-blue) 10%, transparent);border-radius:15px;place-items:center;display:grid}.chat-panel__empty-icon svg{block-size:21px;inline-size:21px}.chat-panel__empty-title{color:var(--cl-text-1);font-size:var(--cl-text-ui)}.chat-panel__empty p{max-width:220px;color:var(--cl-text-3);font-size:var(--cl-text-label);margin:0;line-height:1.55}.chat-panel__composer{gap:var(--cl-space-2);margin:var(--cl-space-3);border:1px solid var(--cl-border-strong);border-radius:var(--cl-radius-lg);background:var(--cl-s3);box-shadow:0 -10px 24px color-mix(in srgb, var(--cl-canvas) 72%, transparent), inset 0 1px #ffffff08;grid-template-columns:minmax(0,1fr) 32px;padding:3px;display:grid}.chat-panel__composer .ui-input{border-radius:calc(var(--cl-radius-lg) - 3px);min-height:34px;padding-inline:var(--cl-space-3);box-shadow:none;background:0 0;border:0}.chat-panel__composer .chat-panel__send{border-radius:calc(var(--cl-radius-lg) - 3px);color:#fff;justify-content:center;align-self:center;min-block-size:32px;inline-size:32px;min-inline-size:32px;padding:0}.chat-panel__composer .chat-panel__send:after{content:none}.chat-panel__send svg{block-size:16px;inline-size:16px}.chat-panel__error{margin:0 var(--cl-space-3);border:1px solid color-mix(in srgb, var(--cl-red) 28%, transparent);border-radius:var(--cl-radius-md);padding:var(--cl-space-3) var(--cl-space-4);background:color-mix(in srgb, var(--cl-red) 10%, transparent);color:var(--cl-red);font-size:var(--cl-text-meta)}.participant-row{border-bottom-color:var(--cl-border);padding-block:var(--cl-space-4)}.participant-row__avatar{background:var(--cl-blue-soft);color:var(--cl-blue)}.participant-row__name>p:first-child{font-size:var(--cl-text-label);font-weight:600}.participant-row__name>p:last-child{color:var(--cl-text-4);font-size:9px}.notes-panel .rich-note-editor{border-radius:var(--cl-radius-lg);background:var(--cl-s2)}.notes-panel__header{justify-content:space-between;align-items:center;gap:var(--cl-space-3);border-bottom:1px solid var(--cl-border);min-height:44px;padding:var(--cl-space-4) var(--cl-space-5);flex-wrap:wrap;display:flex}.notes-panel__header-actions{align-items:center;gap:var(--cl-space-2);display:flex}.notes-panel__stage-modes{border-radius:var(--cl-radius-lg);background:var(--cl-s3);border:0;gap:2px;margin:0;padding:2px;display:flex}.notes-panel__stage-modes button{border-radius:var(--cl-radius-sm);block-size:26px;inline-size:28px;color:var(--cl-text-3);cursor:pointer;background:0 0;border:0;place-items:center;display:grid}.notes-panel__stage-modes button:hover,.notes-panel__stage-modes button[aria-pressed=true]{background:var(--cl-blue-soft);color:var(--cl-blue)}.notes-panel__stage-modes svg{block-size:16px;inline-size:16px}.notes-panel__body{overflow:auto}.notes-panel--dock .notes-panel__header{min-height:40px;padding-block:var(--cl-space-3);flex-wrap:nowrap}.notes-panel--dock .notes-panel__header>div:first-child{min-width:0;overflow:hidden}.notes-panel--dock .notes-panel__header h2{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.notes-panel--dock .notes-panel__body{padding:var(--cl-space-4)}.notes-panel--dock .rich-note-editor__tool{min-width:1.75rem;min-height:1.75rem;padding-inline:.375rem}.notes-panel--stage{background:radial-gradient(circle at 12% 0%, color-mix(in srgb, var(--cl-blue) 12%, transparent), transparent 38%), color-mix(in srgb, var(--cl-s2) 94%, transparent);flex-direction:column;height:100%;min-height:0;display:flex}.notes-panel--stage .notes-panel__body{min-height:0;padding:var(--cl-space-6);flex-direction:column;flex:1;display:flex;overflow:hidden}.notes-panel--stage .rich-note-editor{flex-direction:column;flex:1;min-height:0;display:flex}.notes-panel--stage .rich-note-editor__content{flex:1;min-height:10rem;max-height:none}.notes-panel--stage[data-stage-mode=peek] .notes-panel__header{min-height:40px;padding-block:var(--cl-space-3);flex-wrap:nowrap}.notes-panel--stage[data-stage-mode=peek] .notes-panel__header>div:first-child{min-width:0}.notes-panel--stage[data-stage-mode=peek] .notes-panel__header h2{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.notes-panel--stage[data-stage-mode=peek] .notes-panel__body{padding:var(--cl-space-4)}.notes-panel--stage[data-stage-mode=peek] .rich-note-editor__toolbar{min-height:30px;padding:2px var(--cl-space-3);flex-wrap:nowrap}.notes-panel--stage[data-stage-mode=peek] .rich-note-editor__tool{min-width:1.65rem;min-height:1.65rem;padding:2px var(--cl-space-3)}.notes-panel--stage[data-stage-mode=peek] .rich-note-editor__content{min-height:0;max-height:none;padding:var(--cl-space-4) var(--cl-space-5);font-size:var(--cl-text-body)}.notes-panel--stage[data-stage-mode=peek] .notes-panel__save-row{display:none}.notes-panel--stage[data-stage-mode=peek] .rich-note-editor__loading{flex:1;min-height:0}.breakout-workspace{z-index:68;inset:0 0 0 var(--cl-w-rail);grid-template-rows:var(--cl-h-classbar) minmax(0, 1fr);background:var(--cl-canvas);min-height:0;display:grid;position:absolute;overflow:hidden}[dir=rtl] .breakout-workspace{inset:0 var(--cl-w-rail) 0 0}.breakout-workspace__header{justify-content:space-between;align-items:center;gap:var(--cl-space-6);border-bottom:1px solid var(--cl-border);padding:var(--cl-space-2) var(--cl-space-5);background:var(--cl-bar);display:flex}.breakout-workspace__intro,.breakout-workspace__actions{align-items:center;gap:var(--cl-space-4);min-width:0;display:flex}.breakout-workspace__intro>button{border-radius:var(--cl-radius-lg);block-size:34px;inline-size:34px;color:var(--cl-text-2);cursor:pointer;background:0 0;border:0;flex:none;place-items:center;display:grid}.breakout-workspace__intro>button:hover{background:var(--cl-s3);color:var(--cl-text-1)}.breakout-workspace__intro>button span{transform:scaleX(var(--dirflip));display:inline-block}.breakout-workspace__copy{align-items:baseline;gap:var(--cl-space-4);min-width:0;display:flex}.breakout-workspace__title{white-space:nowrap;font-size:var(--cl-text-title)}.breakout-workspace__meta{color:var(--cl-text-4);font-size:var(--cl-text-meta);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.breakout-workspace__content{min-height:0;overflow:hidden}.breakout-dashboard{min-height:0}.breakout-dashboard--active{grid-template-columns:minmax(0,1fr) minmax(250px,292px);height:100%;display:grid;overflow:hidden}.breakout-dashboard__room-canvas{min-width:0;min-height:0;padding:clamp(var(--cl-space-4), 2vw, var(--cl-space-6));background:radial-gradient(circle at 14% 0%, color-mix(in srgb, var(--cl-blue) 6%, transparent), transparent 30%), var(--cl-canvas);overflow:auto}.breakout-dashboard__rooms{align-content:start;gap:clamp(var(--cl-space-4), 1.5vw, var(--cl-space-5));grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));display:grid}.breakout-dashboard__room{--breakout-health:var(--cl-live);border-color:var(--cl-border-strong);border-radius:var(--cl-radius-xl);background:var(--cl-s2);grid-template-rows:auto minmax(96px,1fr) auto;min-height:230px;transition:transform .16s,border-color .16s,box-shadow .16s;display:grid;position:relative;overflow:visible;box-shadow:0 14px 34px #0000001f}.breakout-dashboard__room:hover{border-color:color-mix(in srgb, var(--breakout-accent) 55%, var(--cl-border-strong));transform:translateY(-2px);box-shadow:0 18px 42px #0000002b}.breakout-dashboard__room[data-current=true]{border-color:color-mix(in srgb, var(--breakout-accent) 82%, white 8%);box-shadow:0 0 0 1px color-mix(in srgb, var(--breakout-accent) 22%, transparent), 0 18px 44px #0000002e}.breakout-dashboard__room[data-tone=attention]{--breakout-health:var(--cl-amber)}.breakout-dashboard__room[data-tone=danger]{--breakout-health:var(--cl-red)}.breakout-dashboard__room[data-tone=quiet]{--breakout-health:var(--cl-text-4)}.breakout-dashboard__room-header{justify-content:space-between;align-items:center;gap:var(--cl-space-3);border-bottom:1px solid var(--cl-border);padding:var(--cl-space-4) var(--cl-space-5);display:flex}.breakout-dashboard__room-title{align-items:center;gap:var(--cl-space-3);min-width:0;display:flex}.breakout-dashboard__room-dot{background:var(--breakout-accent);block-size:9px;inline-size:9px;box-shadow:0 0 0 4px color-mix(in srgb, var(--breakout-accent) 14%, transparent);border-radius:999px;flex:none}.breakout-dashboard__room-title h2{color:var(--cl-text-1);font-size:var(--cl-text-body);text-overflow:ellipsis;white-space:nowrap;font-weight:850;overflow:hidden}.breakout-dashboard__room-title p{color:var(--cl-text-4);font-size:var(--cl-text-meta);margin-top:2px}.breakout-dashboard__join{flex:none;min-width:0}.breakout-dashboard__join svg,.breakout-dashboard__main-footer svg{block-size:16px;inline-size:16px}.breakout-dashboard__members{align-content:flex-start;align-items:flex-start;gap:var(--cl-space-3);padding:var(--cl-space-5);flex-wrap:wrap;display:flex}.breakout-dashboard__member{align-items:center;gap:var(--cl-space-2);border:1px solid var(--cl-border);background:var(--cl-s3);min-width:0;max-width:100%;color:var(--cl-text-2);cursor:grab;border-radius:999px;padding:3px 4px 3px 3px;display:inline-flex}[dir=rtl] .breakout-dashboard__member{padding:3px 3px 3px 4px}.breakout-dashboard__member:active,.breakout-dashboard__main-student:active{cursor:grabbing}.breakout-dashboard__avatar{border:1px solid color-mix(in srgb, var(--cl-blue) 22%, var(--cl-border));background:color-mix(in srgb, var(--cl-blue) 12%, 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