@font-face{font-family:Atkinson Hyperlegible Next;src:url(/fonts/AtkinsonHyperlegibleNext-Regular.ttf)format("truetype");font-weight:400;font-style:normal;font-display:block}@font-face{font-family:Atkinson Hyperlegible Next;src:url(/fonts/AtkinsonHyperlegibleNext-Bold.ttf)format("truetype");font-weight:700;font-style:normal;font-display:block}:root{--paper:#fbfaf6;--surface:#fff;--rule:#dedbd1;--edge:#8d8a80;--graphite:#1d2320;--slate:#575e59;--marker-blue:#2a55c9;--pen-amber:#a85410;--check-green:#1d7550;--check-red:#b8362a;--highlight:#ffe7a3;--on-ink:#fff;--paper-deep:#f1efe8;--ink-raised:#2e3632;--on-ink-muted:#aeb4b0;--edge-on-ink:#6b736e;--amber-on-ink:#f0954a;--blue-on-ink:#86a6f7;--red-on-ink:#ff8b7b;--scrim:#1d2320b8;--space-1:8px;--space-2:16px;--space-3:24px;--space-4:40px;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-full:999px;--shadow-float:0 1px 2px #1d23201f, 0 10px 28px #1d232029;--font-sans:"Atkinson Hyperlegible Next", "Avenir Next", system-ui, sans-serif}.display{font:700 56px/60px var(--font-sans);letter-spacing:-.02em}.heading{font:700 22px/28px var(--font-sans)}.body{font:400 16px/24px var(--font-sans)}.label{font:700 14px/20px var(--font-sans)}.caption{font:400 13px/18px var(--font-sans)}.board-title{font:700 34px/44px var(--font-sans)}.board-note{font:400 24px/34px var(--font-sans)}.ck-icon{flex-shrink:0;display:block}.ck-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}:where(.ck-btn,.ck-tool,.ck-swatch,.ck-chip,.ck-voice-end,.ck-zoom-value,.ck-send,.ck-voice--start):focus-visible,:where(.ck-convo-compose input):focus-visible{outline:2px solid var(--marker-blue);outline-offset:2px}.ck-ink :where(.ck-btn,.ck-tool,.ck-swatch,.ck-voice-end,.ck-zoom-value,.ck-send):focus-visible{outline-color:var(--blue-on-ink)}.ck-ink{background:var(--graphite);color:var(--on-ink);box-shadow:var(--shadow-float)}.ck-wordmark{font-family:var(--font-sans);letter-spacing:-.03em;color:var(--graphite);align-items:baseline;font-weight:700;line-height:1;display:inline-flex}.ck-wordmark-dot{border-radius:var(--radius-full);background:var(--pen-amber);width:.24em;height:.24em;margin-left:.06em}.ck-btn{justify-content:center;align-items:center;gap:var(--space-1);border-radius:var(--radius-sm);font-family:var(--font-sans);cursor:pointer;white-space:nowrap;border:0;font-weight:700;transition:background-color .12s,color .12s;display:inline-flex}.ck-btn--md{height:40px;padding:0 var(--space-2);font-size:14px;line-height:20px}.ck-btn--lg{height:52px;padding:0 var(--space-3);font-size:16px;line-height:24px}.ck-btn--primary{background:var(--graphite);color:var(--on-ink)}.ck-btn--primary:hover:not(:disabled){background:var(--ink-raised)}.ck-btn--start{background:var(--marker-blue);color:var(--on-ink)}.ck-btn--start:hover:not(:disabled){background:var(--graphite)}.ck-btn--secondary{background:var(--surface);color:var(--graphite);box-shadow:inset 0 0 0 1.5px var(--graphite)}.ck-btn--secondary:hover:not(:disabled){background:var(--graphite);color:var(--on-ink)}.ck-btn--quiet{color:var(--graphite);background:0 0;padding-left:12px;padding-right:12px}.ck-btn--quiet:hover:not(:disabled){background:var(--paper-deep)}.ck-btn--danger{background:var(--check-red);color:var(--on-ink)}.ck-btn--danger:hover:not(:disabled){background:var(--graphite)}.ck-btn--inverse{background:var(--surface);color:var(--graphite)}.ck-btn--inverse:hover:not(:disabled){background:var(--paper-deep)}.ck-btn:disabled{background:var(--paper-deep);color:var(--slate);box-shadow:none;cursor:not-allowed}.ck-tool{border-radius:var(--radius-sm);width:44px;height:44px;color:var(--slate);cursor:pointer;background:0 0;border:0;place-items:center;padding:0;transition:background-color .12s,color .12s;display:inline-grid;position:relative}.ck-tool:hover:not(:disabled){background:var(--paper-deep);color:var(--graphite)}.ck-tool.is-selected{background:var(--graphite);color:var(--on-ink)}.ck-tool:disabled{color:var(--edge);cursor:not-allowed}.ck-ink .ck-tool{color:var(--on-ink-muted)}.ck-ink .ck-tool:hover:not(:disabled){background:var(--ink-raised);color:var(--on-ink)}.ck-ink .ck-tool.is-selected{background:var(--surface);color:var(--graphite)}.ck-ink .ck-tool:disabled{color:var(--edge-on-ink)}.ck-ink .ck-tool.is-warn{color:var(--red-on-ink)}.ck-tip{z-index:5;gap:var(--space-1);border-radius:var(--radius-sm);background:var(--graphite);color:var(--on-ink);font:700 13px/18px var(--font-sans);white-space:nowrap;pointer-events:none;align-items:center;padding:6px 10px;display:none;position:absolute;left:50%;transform:translate(-50%)}.ck-ink .ck-tip{background:var(--surface);color:var(--graphite);box-shadow:inset 0 0 0 1.5px var(--graphite)}.ck-tip--top{bottom:calc(100% + 10px)}.ck-tip--bottom{top:calc(100% + 10px)}.ck-tip kbd{font:400 13px/18px var(--font-sans);color:var(--on-ink-muted)}.ck-ink .ck-tip kbd{color:var(--slate)}.ck-tool:hover:not(:disabled) .ck-tip,.ck-tool:focus-visible .ck-tip{animation:.12s ease-out .35s both ck-tip-in;display:flex}@keyframes ck-tip-in{0%{opacity:0}to{opacity:1}}@media (hover:none){.ck-tool:hover .ck-tip{display:none}}.ck-tray{border-radius:var(--radius-md);font-family:var(--font-sans);align-items:center;gap:2px;padding:4px;display:inline-flex}.ck-tray-group{align-items:center;gap:2px;display:flex}.ck-tray-rule{background:var(--ink-raised);width:1px;height:20px;margin:0 6px}.ck-inks{gap:0}.ck-swatch{border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:0;place-items:center;width:36px;height:44px;padding:0;display:grid}.ck-swatch>span{border-radius:var(--radius-full);background:var(--swatch);width:16px;height:16px}.ck-swatch.is-dark>span{box-shadow:inset 0 0 0 2px var(--edge-on-ink)}.ck-swatch.is-selected>span{width:18px;height:18px;box-shadow:0 0 0 2px var(--graphite), 0 0 0 4px var(--on-ink)}.ck-swatch.is-dark.is-selected>span{box-shadow:inset 0 0 0 2px var(--edge-on-ink), 0 0 0 2px var(--graphite), 0 0 0 4px var(--on-ink)}.ck-tray--compact{gap:0;padding:4px}.ck-tray--compact .ck-tool{width:38px;height:38px}.ck-tray--compact .ck-swatch{width:30px;height:38px}.ck-tray--compact .ck-tray-rule{margin:0 3px}.ck-meter{align-items:center;gap:3px;height:22px;display:inline-flex}.ck-meter>span{border-radius:var(--radius-full);background:var(--on-ink);width:6px;height:6px;transition:height 80ms linear}.ck-meter.is-speaking>span,.ck-meter.is-thinking>span{background:var(--amber-on-ink)}.ck-meter.is-speaking:not(.is-live)>span{animation:1.1s ease-in-out infinite ck-talk;animation-delay:calc(var(--i) * -.17s)}.ck-meter.is-listening:not(.is-live)>span{animation:2.4s ease-in-out infinite ck-breathe;animation-delay:calc(var(--i) * .12s)}.ck-meter.is-thinking>span{animation:1.2s ease-in-out infinite ck-pass;animation-delay:calc(var(--i) * .12s)}.ck-meter.is-connecting>span,.ck-meter.is-reconnecting>span{background:var(--on-ink-muted);animation:1.2s ease-in-out infinite ck-pass;animation-delay:calc(var(--i) * .12s)}.ck-meter.is-muted>span{box-shadow:inset 0 0 0 1.5px var(--edge-on-ink);background:0 0}@keyframes ck-talk{0%,to{height:6px}40%{height:20px}70%{height:11px}}@keyframes ck-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.35)}}@keyframes ck-pass{0%,to{opacity:.35}30%{opacity:1}}.ck-voice{border-radius:var(--radius-full);height:48px;font-family:var(--font-sans);align-items:center;gap:10px;padding:0 4px 0 18px;display:inline-flex}.ck-voice-label{white-space:nowrap;min-width:0;color:var(--on-ink);font-size:14px;font-weight:700;line-height:20px}.ck-voice.is-connecting .ck-voice-label,.ck-voice.is-reconnecting .ck-voice-label{color:var(--on-ink-muted)}.ck-voice-controls{border-left:1px solid var(--ink-raised);align-items:center;gap:0;margin-left:6px;padding-left:4px;display:flex}.ck-voice-controls .ck-tool{border-radius:var(--radius-full);width:40px;height:40px}.ck-voice-end{border-radius:var(--radius-full);background:var(--ink-raised);height:40px;color:var(--on-ink);font:700 14px/20px var(--font-sans);cursor:pointer;border:0;margin-left:4px;padding:0 16px;transition:background-color .12s,color .12s}.ck-voice-end:hover{background:var(--surface);color:var(--check-red)}.ck-voice--start{background:var(--marker-blue);height:60px;color:var(--on-ink);cursor:pointer;border:0;gap:14px;padding:0 28px 0 24px;transition:background-color .15s}.ck-voice--start .ck-voice-label{min-width:0;font-size:16px;line-height:24px}.ck-voice--start:hover{background:var(--graphite)}.ck-meter.is-idle>span{background:var(--on-ink)}.ck-voice--start:hover .ck-meter.is-idle>span,.ck-voice--start:focus-visible .ck-meter.is-idle>span{animation:1.1s ease-in-out infinite ck-talk;animation-delay:calc(var(--i) * -.17s)}.ck-voice--compact{gap:8px;height:40px;padding:0 2px 0 14px}.ck-voice--compact .ck-meter{gap:2px}.ck-voice--compact .ck-meter>span{width:5px;height:5px}.ck-voice--compact .ck-voice-label{font-size:13px;line-height:18px}.ck-voice--compact .ck-voice-controls{margin-left:2px;padding-left:2px}.ck-voice--compact .ck-voice-controls .ck-tool{width:36px;height:36px}.ck-beats{font-family:var(--font-sans);flex-direction:column;gap:8px;min-width:240px;display:inline-flex}.ck-beats-text{justify-content:space-between;align-items:baseline;gap:var(--space-2);display:flex}.ck-beats-title{color:var(--graphite);font-size:14px;font-weight:700;line-height:20px}.ck-beats-status{color:var(--slate);white-space:nowrap;font-size:13px;line-height:18px}.ck-beats-track{align-items:center;margin:0;padding:0;list-style:none;display:flex}.ck-beats-track>li{flex:1;align-items:center;display:flex;position:relative}.ck-beats-track>li.ck-beat-check{flex:none}.ck-beat-dot{border-radius:var(--radius-full);background:var(--rule);flex-shrink:0;width:8px;height:8px}.ck-beat-line{background:var(--rule);border-radius:1px;flex:1;height:2px;margin:0 4px;position:relative;overflow:hidden}.ck-beat-line:after{content:"";width:calc(var(--p,0) * 100%);background:var(--pen-amber);transition:width .3s linear;position:absolute;inset:0 auto 0 0}li.is-done .ck-beat-dot,li.is-done .ck-beat-line{background:var(--graphite)}li.is-now .ck-beat-dot{background:var(--pen-amber);width:12px;height:12px}.ck-beat-ring{border-radius:var(--radius-full);background:var(--rule);width:22px;height:22px;color:var(--slate);place-items:center;display:grid}.ck-beat-check.is-now .ck-beat-ring{background:var(--pen-amber);color:var(--on-ink)}.ck-beat-check.is-correct .ck-beat-ring{background:var(--check-green);color:var(--on-ink)}.ck-beat-check.is-incorrect .ck-beat-ring{background:var(--check-red);color:var(--on-ink)}.ck-beats--compact{flex-direction:row-reverse;align-items:center;gap:12px;width:100%;min-width:0}.ck-beats--compact .ck-beats-track{flex:1}.ck-beats--compact .ck-beats-count{color:var(--slate);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;line-height:18px}.ck-beats--compact .ck-beat-dot{width:6px;height:6px}.ck-beats--compact li.is-now .ck-beat-dot{width:9px;height:9px}.ck-beats--compact .ck-beat-ring{width:16px;height:16px}.ck-beats--compact .ck-beat-ring .ck-icon{width:10px;height:10px}.ck-convo{border-radius:var(--radius-md);width:340px;max-height:100%;font-family:var(--font-sans);flex-direction:column;display:flex;overflow:hidden}.ck-convo>header{padding:6px 6px 6px var(--space-2);justify-content:space-between;align-items:center;display:flex}.ck-convo h2{color:var(--on-ink-muted);margin:0;font-size:14px;font-weight:700;line-height:20px}.ck-convo-turns{gap:var(--space-2);padding:4px var(--space-2) var(--space-2);scroll-behavior:smooth;flex-direction:column;display:flex;overflow:auto}.ck-turn{flex-direction:column;gap:2px;display:flex}.ck-turn-who{color:var(--on-ink-muted);font-size:13px;font-weight:700;line-height:18px}.ck-turn.is-teacher .ck-turn-who{color:var(--amber-on-ink)}.ck-turn p{color:var(--on-ink);margin:0;font-size:16px;line-height:24px}.ck-turn.is-you p{background:var(--ink-raised);border-radius:12px 12px 12px 4px;align-self:flex-start;padding:8px 12px}.ck-unheard{color:var(--on-ink-muted)}.ck-convo-compose{align-items:center;gap:var(--space-1);background:var(--ink-raised);border-radius:12px;margin:0 8px 8px;padding:4px 4px 4px 14px;display:flex}.ck-convo-compose input{min-width:0;height:40px;font:400 16px/24px var(--font-sans);color:var(--on-ink);background:0 0;border:0;outline:none;flex:1}.ck-convo-compose input::placeholder{color:var(--on-ink-muted)}.ck-send{border-radius:var(--radius-sm);background:var(--surface);width:40px;height:40px;color:var(--graphite);cursor:pointer;border:0;place-items:center;display:grid}.ck-send:disabled{color:var(--edge-on-ink);cursor:default;background:0 0}.ck-convo--caption{border-radius:var(--radius-md);flex-direction:row;align-items:center;gap:4px;width:100%;padding:10px 4px 10px 16px}.ck-convo--caption .ck-turn{color:var(--on-ink);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:1;margin:0;font-size:15px;line-height:22px;display:-webkit-box;overflow:hidden}.ck-convo--caption .ck-turn-who{font-size:15px;display:inline}.ck-convo--caption .ck-tool{flex-shrink:0;width:40px;height:40px}.ck-chip{border-radius:var(--radius-full);background:var(--paper-deep);height:36px;color:var(--graphite);font:400 14px/20px var(--font-sans);cursor:pointer;border:0;align-items:center;gap:6px;padding:0 14px;transition:background-color .12s,color .12s;display:inline-flex}.ck-chip:hover{background:var(--graphite);color:var(--on-ink)}.ck-qline{width:100%;max-width:1040px;font-family:var(--font-sans)}.ck-qline-field{display:grid}.ck-qline-field>*{font:700 clamp(38px, 6vw, 76px)/1.06 var(--font-sans);letter-spacing:-.025em;white-space:pre-wrap;overflow-wrap:break-word;grid-area:1/1;margin:0;padding:0}.ck-qline-sizer{visibility:hidden}.ck-qline-ghost{color:var(--edge);pointer-events:none}.ck-qline-pen{border-radius:var(--radius-full);background:var(--pen-amber);vertical-align:baseline;width:.2em;height:.2em;margin-left:.06em;display:inline-block}.ck-qline textarea{width:100%;height:100%;color:var(--graphite);caret-color:var(--pen-amber);resize:none;background:0 0;border:0;outline:none;overflow:hidden}.ck-qline-hint{color:var(--slate);margin:20px 0 0;font-size:16px;line-height:24px}.ck-qline-hint kbd{font:700 13px/22px var(--font-sans);color:var(--on-ink);background:var(--graphite);border-radius:6px;padding:0 7px;display:inline-block}.ck-loader{font-family:var(--font-sans);flex-direction:column;align-items:center;gap:12px;display:inline-flex}.ck-loader svg{display:block;overflow:visible}.ck-loader--lg svg{width:120px;height:50px}.ck-loader--sm{flex-direction:row;gap:10px}.ck-loader--sm svg{width:40px;height:17px}.ck-loader-label{color:var(--slate);font-size:14px;font-weight:700;line-height:20px}.ck-loader-pt{fill:var(--graphite);transform-box:fill-box;transform-origin:50%;animation:1.4s ease-out infinite ck-ld-say;animation-delay:calc(.19s + var(--i) * .184s)}.ck-loader-stroke{fill:none;stroke:var(--graphite);stroke-width:3.5px;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1px;animation:1.4s linear infinite ck-ld-draw}.ck-loader-pen{fill:var(--pen-amber);offset-rotate:0deg;offset-distance:0%;animation:1.4s linear infinite ck-ld-pen}@keyframes ck-ld-say{0%{fill:var(--graphite);transform:translateY(0)scale(1)}7%{fill:var(--pen-amber);transform:translateY(-5px)scale(1.35)}22%,to{fill:var(--graphite);transform:none}}@keyframes ck-ld-draw{0%,10%{stroke-dashoffset:1px;opacity:1}70%,86%{stroke-dashoffset:0;opacity:1}to{stroke-dashoffset:0;opacity:0}}@keyframes ck-ld-pen{0%{offset-distance:0%;opacity:0}10%{offset-distance:0%;opacity:1}70%,86%{offset-distance:100%;opacity:1}to{offset-distance:100%;opacity:0}}.ck-loader.is-once :is(.ck-loader-stroke,.ck-loader-pen,.ck-loader-pt){animation-iteration-count:1}.ck-loader.is-once .ck-loader-stroke{animation-name:ck-ld-draw-once;animation-fill-mode:forwards}.ck-loader.is-once .ck-loader-pen{animation-name:ck-ld-pen-once;animation-fill-mode:forwards}@keyframes ck-ld-draw-once{0%,10%{stroke-dashoffset:1px}70%,to{stroke-dashoffset:0}}@keyframes ck-ld-pen-once{0%{offset-distance:0%;opacity:0}10%{offset-distance:0%;opacity:1}70%,to{offset-distance:100%;opacity:1}}.ck-zoom{border-radius:var(--radius-md);align-items:center;padding:4px;display:inline-flex}.ck-zoom .ck-tool{width:40px;height:40px}.ck-zoom .ck-tray-rule{height:20px;margin:0 4px}.ck-zoom-value{border-radius:var(--radius-sm);width:52px;height:40px;color:var(--on-ink);font:700 13px/18px var(--font-sans);font-variant-numeric:tabular-nums;cursor:pointer;background:0 0;border:0}.ck-zoom-value:hover{background:var(--ink-raised)}.ck-notice{border-radius:var(--radius-md);max-width:520px;font-family:var(--font-sans);align-items:flex-start;gap:14px;padding:14px 8px 14px 14px;display:flex}.ck-notice-icon{border-radius:var(--radius-sm);width:32px;height:32px;color:var(--on-ink);flex-shrink:0;place-items:center;display:grid}.ck-notice.is-info .ck-notice-icon{background:var(--marker-blue)}.ck-notice.is-warning .ck-notice-icon{background:var(--highlight);color:var(--graphite)}.ck-notice.is-error .ck-notice-icon{background:var(--check-red)}.ck-notice.is-success .ck-notice-icon{background:var(--check-green)}.ck-notice-body{flex:1;padding:5px 8px 0 0}.ck-notice strong{color:var(--on-ink);font-size:16px;line-height:22px;display:block}.ck-notice p{color:var(--on-ink-muted);margin:4px 0 0;font-size:14px;line-height:21px}.ck-notice-action{margin-top:12px}.ck-notice>.ck-tool{margin-top:-2px}.ck-backdrop{box-sizing:border-box;padding:var(--space-3);background:var(--scrim);place-items:center;min-height:100%;display:grid}.ck-dialog{width:min(460px,100%);padding:var(--space-4) var(--space-4) var(--space-3);background:var(--surface);border-radius:var(--radius-lg);box-shadow:inset 0 0 0 1.5px var(--graphite);font-family:var(--font-sans);color:var(--graphite);position:relative}.ck-dialog-close{position:absolute;top:12px;right:12px}.ck-dialog h2{margin:0 0 12px;font-size:22px;font-weight:700;line-height:28px}.ck-dialog-body{font-size:16px;line-height:24px}.ck-dialog-body p{margin:0 0 12px}.ck-dialog-body .ck-muted{color:var(--slate);font-size:14px;line-height:21px}.ck-dialog-actions{justify-content:flex-end;gap:var(--space-1);margin-top:var(--space-3);display:flex}.ck-board{background-color:var(--paper);border:1px solid var(--rule);border-radius:var(--radius-lg);position:relative;overflow:hidden}.ck-board.has-grid{background-image:radial-gradient(circle, var(--rule) 1.25px, transparent 1.5px);background-size:var(--space-3) var(--space-3);background-position:12px 12px}.ck-check{max-width:420px;padding:var(--space-2) var(--space-3) 20px;background:var(--surface);border-radius:var(--radius-md);box-shadow:inset 0 0 0 1.5px var(--graphite);font-family:var(--font-sans);color:var(--graphite);flex-direction:column;gap:8px;display:flex}.ck-check-kicker{color:var(--pen-amber);font-size:13px;font-weight:700;line-height:18px}.ck-check-q{margin:0;font-size:24px;line-height:34px}.ck-check-answer{color:var(--slate);margin:0;font-size:14px;line-height:21px}.ck-check-answer q{color:var(--graphite)}.ck-check-state{border-radius:var(--radius-full);background:var(--paper-deep);color:var(--graphite);align-self:flex-start;align-items:center;gap:8px;margin:6px 0 0;padding:8px 14px 8px 12px;font-size:14px;font-weight:700;line-height:20px;display:flex}.ck-check.is-correct .ck-check-state{background:var(--check-green);color:var(--on-ink)}.ck-check.is-incorrect .ck-check-state{background:var(--check-red);color:var(--on-ink)}@media (prefers-reduced-motion:reduce){.ck-meter>span{animation:none!important}.ck-btn,.ck-tool,.ck-chip,.ck-voice-end,.ck-voice--start,.ck-beat-line:after{transition:none}.ck-tip{animation:none!important}.ck-loader-stroke{stroke-dashoffset:0;animation:none!important}.ck-loader-pt{animation:none!important}.ck-loader-pen{offset-distance:100%;animation:none!important}}:root{font-family:var(--font-sans);color:var(--graphite);background:var(--paper);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{background:var(--paper);margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}input,textarea{font:inherit;color:inherit;min-width:0}:where(button,a,input,textarea):focus-visible{outline:2px solid var(--marker-blue);outline-offset:2px}.workspace{height:100dvh;min-height:520px;padding:0 var(--space-3) var(--space-3);flex-direction:column;display:flex}.topbar{align-items:center;gap:var(--space-3);height:88px;padding-left:var(--space-2);flex-shrink:0;grid-template-columns:1fr auto 1fr;display:grid}.brand{border-radius:var(--radius-sm);justify-self:start;text-decoration:none;display:inline-flex}.topbar-voice{justify-content:center;min-width:0;display:flex}.topbar-right{justify-self:end;align-items:center;gap:var(--space-2);min-width:0;display:flex}.board-captions.is-quiet{visibility:hidden}.board-shell{background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius-lg);flex:1;min-height:0;position:relative;overflow:hidden}.whiteboard{touch-action:none;width:100%;height:100%;position:absolute;inset:0}.tool-pen{cursor:crosshair}.tool-eraser{cursor:cell}.tool-hand{cursor:grab}.tool-hand:active{cursor:grabbing}.board-tray{z-index:2;left:50%;bottom:var(--space-3);position:absolute;transform:translate(-50%)}.board-zoom{z-index:2;right:var(--space-3);bottom:var(--space-3);position:absolute}.board-convo{z-index:3;pointer-events:none;align-items:flex-start;display:flex;position:absolute;top:20px;bottom:96px;right:20px}.board-convo>*{pointer-events:auto}.board-notice{z-index:4;top:var(--space-2);width:max-content;max-width:min(520px,100% - 32px);position:absolute;left:50%;transform:translate(-50%)}.ck-backdrop{z-index:10;display:flex;position:fixed;inset:0;overflow-y:auto}.ck-backdrop>.ck-dialog{margin:auto}.ck-dialog:focus{outline:none}.topbar .ck-voice--start{gap:10px;height:48px;padding:0 22px 0 18px}.topbar .ck-voice--start .ck-voice-label{font-size:14px;line-height:20px}.ck-tool .attach-count{border-radius:var(--radius-full);background:var(--on-ink);min-width:18px;height:18px;color:var(--graphite);font:700 13px/18px var(--font-sans);text-align:center;padding:0 5px;position:absolute;top:2px;right:2px}.ck-tool .attach-count.reading{background:var(--amber-on-ink)}@media (width<=900px){.board-zoom{bottom:92px}}@keyframes draw-stroke{0%{stroke-dashoffset:1px}to{stroke-dashoffset:0}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes fade-rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.teacher-stroke{stroke-dasharray:1;stroke-dashoffset:0;animation:.45s ease-out draw-stroke}.reveal .mark-stroke>.mark-line{stroke-dasharray:1;animation:.55s ease-out both draw-stroke;animation-delay:min(calc(var(--i) * 55ms), .9s)}.reveal .mark-fill,.reveal .mark-head{animation:.35s ease-out both fade-in;animation-delay:calc(min(calc(var(--i) * 55ms), .9s) + .3s)}.reveal .mark-fade,.reveal svg.mark-text{animation:.4s ease-out both fade-in;animation-delay:min(calc(var(--i) * 55ms), .9s)}.reveal text.mark-text{animation:.4s ease-out both fade-rise;animation-delay:min(calc(var(--i) * 55ms), .9s)}@media (prefers-reduced-motion:reduce){*{transition:none!important}.reveal *,.teacher-stroke{animation:none!important}}.teacher-pen circle:first-child{fill:var(--paper);stroke:var(--pen-amber);stroke-width:1.5px}.teacher-pen-tip{fill:var(--pen-amber)}.teacher-pen{animation:.2s ease-out both fade-in}.metrics{z-index:3;background:var(--surface);border-radius:var(--radius-md);width:370px;box-shadow:inset 0 0 0 1.5px var(--graphite);font:400 13px/18px var(--font-sans);padding:15px;position:fixed;top:96px;right:24px}.metrics table{border-collapse:collapse;width:100%;margin:10px 0}.metrics th,.metrics td{text-align:right;border-bottom:1px solid var(--rule);padding:5px 2px}.metrics th:first-child,.metrics td:first-child{text-align:left}.metrics p{color:var(--slate);margin:0}.source-tray{gap:var(--space-1);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.lesson-sources{z-index:1;top:var(--space-2);left:var(--space-3);max-width:min(720px,100% - 48px);position:absolute}.source-chip{align-items:center;gap:var(--space-1);border-radius:var(--radius-full);background:var(--paper-deep);max-width:340px;min-height:40px;color:var(--graphite);font:400 14px/20px var(--font-sans);padding:4px 4px 4px 12px;display:flex}.source-icon{color:var(--slate);flex:none;place-items:center;display:grid}.source-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-weight:700;overflow:hidden}.source-detail{text-overflow:ellipsis;white-space:nowrap;max-width:170px;color:var(--slate);flex:none;overflow:hidden}.source-chip button{border-radius:var(--radius-full);width:32px;height:32px;color:var(--slate);background:0 0;border:0;flex:none;place-items:center;padding:0;display:grid}.source-chip button:hover{background:var(--graphite);color:var(--on-ink)}.source-error{border-radius:var(--radius-md);background:var(--surface);box-shadow:inset 0 0 0 1.5px var(--graphite)}.source-error .source-icon{border-radius:var(--radius-sm);background:var(--check-red);width:28px;height:28px;color:var(--on-ink)}.source-error .source-name{flex:none;max-width:120px}.source-error .source-detail{white-space:normal;max-width:240px;color:var(--graphite);flex:0 auto}.drop-overlay{z-index:5;inset:var(--space-2);justify-content:center;align-items:center;gap:var(--space-1);border-radius:var(--radius-lg);background:var(--paper);box-shadow:inset 0 0 0 2px var(--graphite);color:var(--graphite);text-align:center;pointer-events:none;flex-direction:column;display:flex;position:absolute}.drop-overlay strong{font:700 22px/28px var(--font-sans)}.drop-overlay span{font:400 16px/24px var(--font-sans);color:var(--slate)}.welcome{z-index:1;align-items:flex-start;gap:var(--space-4);pointer-events:none;flex-direction:column;display:flex;position:absolute;top:50%;left:96px;right:96px;transform:translateY(-58%)}.welcome>*{pointer-events:auto}.welcome-sources{margin-top:calc(var(--space-2) - var(--space-4))}.welcome-start{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.welcome-foot{margin:calc(var(--space-2) - var(--space-4)) 0 0;font:400 13px/18px var(--font-sans);color:var(--slate)}.is-welcome .board-tray,.is-welcome .board-zoom{display:none}.launch{z-index:1;gap:var(--space-2);pointer-events:none;flex-direction:column;max-width:min(820px,100% - 80px);display:flex;position:absolute}.launch-title{font-weight:700;font-size:inherit;color:var(--graphite);margin:0;line-height:1.3;animation:.35s ease-out .15s both fade-rise}.launch .ck-loader{align-self:flex-start;animation:.25s ease-out both fade-in}.entry{padding:var(--space-3) var(--space-2);background-color:var(--paper);background-image:radial-gradient(circle, var(--rule) 1.25px, transparent 1.5px);background-size:var(--space-3) var(--space-3);place-items:center;animation:.4s ease-out both fade-in;display:grid;position:fixed;inset:0;overflow:hidden auto}.entry-brand{flex-direction:column;align-items:center;width:min(460px,100%);animation:.4s ease-out both fade-rise;display:flex}.entry-tagline{margin:var(--space-2) 0 var(--space-3);font:400 16px/24px var(--font-sans);color:var(--slate);text-align:center}.signin{gap:var(--space-2);display:grid}.signin label span{font:700 14px/20px var(--font-sans);margin-bottom:6px;display:block}.signin input{border:1.5px solid var(--edge);border-radius:var(--radius-sm);background:var(--surface);width:100%;height:48px;font:400 16px/24px var(--font-sans);padding:0 14px}.signin .ck-btn{width:100%;margin-top:var(--space-1)}.signin .ck-muted{margin:0}.signin-error{margin:0 0 var(--space-2);font:700 14px/21px var(--font-sans);color:var(--check-red)}.signin .signin-error{margin:0}@media (width<=600px){.workspace{padding:0 0 env(safe-area-inset-bottom)}.topbar{gap:var(--space-1);height:56px;padding:0 4px 0 var(--space-2);grid-template-columns:auto 1fr auto}.topbar-voice{justify-content:flex-end}.wide-only{display:none!important}.topbar .ck-voice--start{height:40px;padding:0 16px 0 14px}.ck-backdrop{padding:var(--space-2)}.ck-dialog{padding:var(--space-4) var(--space-3) var(--space-3)}.board-shell{border:0;border-top:1px solid var(--rule);border-radius:0}.board-tray{bottom:var(--space-1);max-width:calc(100% - 16px)}.board-zoom{top:var(--space-1);right:var(--space-1);bottom:auto}.board-zoom .ck-tool,.board-zoom .ck-tray-rule{display:none}.board-convo{top:auto;left:var(--space-1);right:var(--space-1);max-height:45%;bottom:64px}.board-convo .ck-convo{width:100%}.board-beats{z-index:2;top:18px;left:var(--space-2);position:absolute;right:76px}.board-captions{z-index:2;left:var(--space-1);right:var(--space-1);position:absolute;bottom:62px}.board-captions .ck-convo--caption{min-height:64px}.lesson-sources{display:none}.ck-tray--compact .ck-tool{width:36px}.ck-tray--compact .ck-swatch{width:26px}.welcome{padding:72px var(--space-2) calc(var(--space-3) + env(safe-area-inset-bottom));gap:var(--space-2);inset:0;transform:none}.welcome .ck-qline-field>*{font-size:40px}.welcome-sources{margin-top:0}.welcome-start{flex-direction:column;align-items:stretch;width:100%;margin-top:auto}.welcome-start .ck-voice--start{justify-content:center;width:100%;height:64px}.welcome-foot{text-align:center;width:100%;margin:0}}
