.sign-in-gate-module__wQoava__stage{padding-top:12px}.sign-in-gate-module__wQoava__card{background:var(--white);border:1px solid var(--border);box-shadow:var(--shadow-btn);border-radius:20px;padding:34px}.sign-in-gate-module__wQoava__title{max-width:520px;font-family:var(--serif);letter-spacing:-.4px;margin:0;font-size:clamp(34px,6vw,46px);font-weight:500;line-height:1.1}.sign-in-gate-module__wQoava__actions{gap:12px;margin-top:28px;display:grid}.sign-in-gate-module__wQoava__googleButton,.sign-in-gate-module__wQoava__emailButton{border-radius:4px;justify-content:center;align-items:center;width:100%;min-height:44px;font-size:15px;font-weight:500;line-height:20px;text-decoration:none;display:flex;position:relative}.sign-in-gate-module__wQoava__googleButton{color:#1f1f1f;letter-spacing:.25px;background:#fff;border:1px solid #747775;padding:0 44px;font-family:Roboto,Arial,sans-serif;overflow:hidden}.sign-in-gate-module__wQoava__googleButton:hover{background:#f8faff;border-color:#5f6368;box-shadow:0 1px 2px #3c40434d}.sign-in-gate-module__wQoava__googleButton:focus-visible,.sign-in-gate-module__wQoava__emailButton:focus-visible{outline:2px solid var(--green);outline-offset:3px}.sign-in-gate-module__wQoava__googleIconBox{place-items:center;width:20px;height:20px;display:grid;position:absolute;left:13px}.sign-in-gate-module__wQoava__googleMark{width:18px;height:18px}.sign-in-gate-module__wQoava__googleText{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.sign-in-gate-module__wQoava__emailButton{background:var(--ink);border:1px solid var(--ink);color:var(--on-ink);font-family:var(--sans);border-radius:9999px;padding:10px 20px}a.sign-in-gate-module__wQoava__emailButton.sign-in-gate-module__wQoava__emailButton{color:var(--on-ink)}a.sign-in-gate-module__wQoava__googleButton.sign-in-gate-module__wQoava__googleButton{color:#1f1f1f}.sign-in-gate-module__wQoava__emailButton:hover{opacity:.88}.ec-root[data-theme=dark] .sign-in-gate-module__wQoava__googleButton{color:#e3e3e3;background:#131314;border-color:#8e918f}.ec-root[data-theme=dark] .sign-in-gate-module__wQoava__googleButton:hover{background:#202124;border-color:#a8c7fa}@media (prefers-color-scheme:dark){.ec-root:not([data-theme]) .sign-in-gate-module__wQoava__googleButton{color:#e3e3e3;background:#131314;border-color:#8e918f}.ec-root:not([data-theme]) .sign-in-gate-module__wQoava__googleButton:hover{background:#202124;border-color:#a8c7fa}}@media (max-width:520px){.sign-in-gate-module__wQoava__card{padding:26px 20px}}@media (prefers-reduced-motion:reduce){.sign-in-gate-module__wQoava__stage{animation:none}}
.mia-rive{--mia-beat:calc(.56s * var(--mia-speed,1));--mia-beat-big:calc(.6s * var(--mia-speed,1));--mia-beat-short:calc(.42s * var(--mia-speed,1));--mia-enter-dur:calc(.46s * var(--mia-speed,1));--mia-glance-dur:calc(.58s * var(--mia-speed,1));--mia-loop-think:calc(1.1s * var(--mia-speed,1));--mia-loop-sway:calc(7.2s * var(--mia-speed,1));--mia-loop-sleep:calc(3.6s * var(--mia-speed,1));width:var(--mia-size,32px);height:var(--mia-size,32px);opacity:0;flex:none;transition:opacity .2s;display:inline-block;position:relative}.mia-rive[data-ready=true]{opacity:1}.mia-rive-lift,.mia-rive-tilt,.mia-rive-glance,.mia-rive-squash{transform-origin:50% var(--mia-ground,98%);position:absolute;inset:0}.mia-rive-stage{pointer-events:none;filter:var(--mia-rim,none);position:absolute}.mia-rive-canvas{filter:hue-rotate(-41deg)saturate(1.35)brightness(1.1);width:100%;height:100%;display:block}.mia-rive-shadow{left:50%;top:var(--mia-ground,98%);background:radial-gradient(closest-side,#0a1a143d 0%,#0a1a141a 58%,#0a1a1400 100%);border-radius:50%;width:46%;height:9%;position:absolute;transform:translate(-50%,-40%)}.mia-rive-swirl{left:var(--mia-body-x,50%);top:var(--mia-body-y,34%);width:var(--mia-body-d,60%);height:var(--mia-body-d,60%);opacity:0;pointer-events:none;border-radius:50%;transition:opacity .3s;position:absolute;overflow:hidden;transform:translate(-50%,-50%)}.mia-rive-swirl-light{background:radial-gradient(circle at 30% 28%,#ffffff80 0%,#fff0 46%);border-radius:50%;position:absolute;inset:0}.mia-rive-burst{left:var(--mia-body-x,50%);top:var(--mia-body-y,34%);width:var(--mia-body-d,60%);height:var(--mia-body-d,60%);border:max(1.5px, calc(var(--mia-size,32px) * .03)) solid var(--correct,#2563eb);opacity:0;pointer-events:none;animation:mia-burst var(--mia-beat-big) cubic-bezier(.2, .6, .3, 1) 1;border-radius:50%;position:absolute;transform:translate(-50%,-50%)scale(.55)}.mia-rive[data-enter=true] .mia-rive-lift{animation:mia-enter-lift var(--mia-enter-dur) cubic-bezier(.3, 0, .2, 1) 1}.mia-rive[data-enter=true] .mia-rive-squash{animation:mia-enter-squash var(--mia-enter-dur) cubic-bezier(.3, 0, .2, 1) 1}.mia-rive[data-tone=idle] .mia-rive-tilt{animation:mia-sway var(--mia-loop-sway) ease-in-out infinite}.mia-rive[data-glance=left] .mia-rive-glance{animation:mia-glance-left var(--mia-glance-dur) ease-in-out 1}.mia-rive[data-glance=right] .mia-rive-glance{animation:mia-glance-right var(--mia-glance-dur) ease-in-out 1}.mia-rive[data-tone=thinking] .mia-rive-tilt{animation:mia-think var(--mia-loop-think) ease-in-out infinite alternate}.mia-rive-swirl{display:none}.mia-rive[data-tone=thinking] .mia-rive-swirl-light{animation:mia-swirl var(--mia-loop-think) linear infinite}.mia-rive[data-tone=success] .mia-rive-lift{animation:mia-hop var(--mia-beat) cubic-bezier(.32, 0, .24, 1) 1}.mia-rive[data-tone=success] .mia-rive-squash{animation:mia-hop-squash var(--mia-beat) ease-out 1}.mia-rive[data-tone=success] .mia-rive-shadow{animation:mia-hop-shadow var(--mia-beat) ease-out 1}.mia-rive[data-variant=celebrate-big][data-tone=success] .mia-rive-lift{animation:mia-hop-big var(--mia-beat-big) cubic-bezier(.3, 0, .22, 1) 1}.mia-rive[data-variant=celebrate-big][data-tone=success] .mia-rive-squash{animation:mia-hop-big-squash var(--mia-beat-big) ease-out 1}.mia-rive[data-variant=celebrate-big][data-tone=success] .mia-rive-tilt{animation:mia-hop-big-wiggle var(--mia-beat-big) ease-in-out 1}.mia-rive[data-variant=celebrate-big][data-tone=success] .mia-rive-shadow{animation:mia-hop-big-shadow var(--mia-beat-big) ease-out 1}.mia-rive[data-tone=wrong] .mia-rive-squash{animation:mia-droop var(--mia-beat-short) ease-out forwards}.mia-rive[data-tone=wrong] .mia-rive-tilt{animation:mia-droop-tilt var(--mia-beat-short) ease-out forwards}.mia-rive[data-tone=hint] .mia-rive-tilt{animation:mia-lean-tilt var(--mia-beat) ease-in-out 1}.mia-rive[data-tone=hint] .mia-rive-squash{animation:mia-lean var(--mia-beat) ease-in-out 1}.mia-rive[data-tone=sleep] .mia-rive-squash{animation:mia-sleep var(--mia-loop-sleep) ease-in-out infinite}.mia-rive[data-tone=sleep] .mia-rive-tilt{transform:rotate(4deg)}.mia-rive-zs{pointer-events:none;width:26%;height:30%;position:absolute;top:6%;left:74%}.mia-rive-z{font-style:normal;font-weight:600;font-size:max(6px, calc(var(--mia-size,32px) * .16));color:#0a1a1459;opacity:0;animation:mia-z var(--mia-loop-sleep) ease-out infinite;line-height:1;position:absolute;bottom:0;left:0}.mia-rive-z:before{content:"z"}.mia-rive-z:nth-child(2){animation-delay:calc(var(--mia-loop-sleep) / 3)}.mia-rive-z:nth-child(3){animation-delay:calc(var(--mia-loop-sleep) / 3 * 2)}@keyframes mia-enter-lift{0%{transform:translateY(9%)}55%{transform:translateY(-3%)}to{transform:translateY(0)}}@keyframes mia-enter-squash{0%{transform:scale(.62,.68)}55%{transform:scale(1.08,.93)}78%{transform:scale(.97,1.03)}to{transform:scale(1)}}@keyframes mia-sway{0%,to{transform:rotate(-.5deg)}50%{transform:rotate(.5deg)}}@keyframes mia-glance-left{0%,to{transform:translate(0)rotate(0)}30%,68%{transform:translate(-2.5%)rotate(-4deg)}}@keyframes mia-glance-right{0%,to{transform:translate(0)rotate(0)}30%,68%{transform:translate(2.5%)rotate(4deg)}}@keyframes mia-think{0%{transform:rotate(-1.2deg)}to{transform:rotate(-4.2deg)}}@keyframes mia-swirl{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes mia-hop{0%{transform:translateY(0)}10%{transform:translateY(2%)}30%{transform:translateY(-17%)}48%{transform:translateY(0)}64%{transform:translateY(-8%)}82%,to{transform:translateY(0)}}@keyframes mia-hop-squash{0%{transform:scale(1)}10%{transform:scale(1.07,.93)}22%{transform:scale(.94,1.08)}30%{transform:scale(1)}48%{transform:scale(1.09,.91)}58%{transform:scale(.97,1.03)}64%{transform:scale(1)}82%{transform:scale(1.05,.95)}92%{transform:scale(.98,1.02)}to{transform:scale(1)}}@keyframes mia-hop-shadow{0%{opacity:1;transform:translate(-50%,-40%)scale(1)}30%{opacity:.5;transform:translate(-50%,-40%)scale(.72)}48%{opacity:1;transform:translate(-50%,-40%)scale(1.06)}64%{opacity:.72;transform:translate(-50%,-40%)scale(.86)}82%,to{opacity:1;transform:translate(-50%,-40%)scale(1)}}@keyframes mia-hop-big{0%{transform:translateY(0)}9%{transform:translateY(4%)}28%{transform:translateY(-26%)}44%{transform:translateY(0)}60%{transform:translateY(-12%)}76%{transform:translateY(0)}88%{transform:translateY(-3%)}to{transform:translateY(0)}}@keyframes mia-hop-big-squash{0%{transform:scale(1)}9%{transform:scale(1.1,.9)}20%{transform:scale(.9,1.11)}28%{transform:scale(.98,1.02)}44%{transform:scale(1.14,.88)}54%{transform:scale(.95,1.05)}60%{transform:scale(1)}76%{transform:scale(1.08,.93)}86%{transform:scale(.97,1.03)}to{transform:scale(1)}}@keyframes mia-hop-big-wiggle{0%,to{transform:rotate(0)}28%{transform:rotate(-6deg)}44%{transform:rotate(3deg)}60%{transform:rotate(-2deg)}}@keyframes mia-hop-big-shadow{0%{opacity:1;transform:translate(-50%,-40%)scale(1)}28%{opacity:.38;transform:translate(-50%,-40%)scale(.6)}44%{opacity:1;transform:translate(-50%,-40%)scale(1.1)}60%{opacity:.65;transform:translate(-50%,-40%)scale(.8)}76%,to{opacity:1;transform:translate(-50%,-40%)scale(1)}}@keyframes mia-burst{0%{opacity:.6;transform:translate(-50%,-50%)scale(.55)}to{opacity:0;transform:translate(-50%,-50%)scale(2.1)}}@keyframes mia-droop{0%{transform:scale(1)}45%{transform:scale(1.08,.9)}to{transform:scale(1.04,.955)}}@keyframes mia-droop-tilt{0%{transform:rotate(0)}55%{transform:rotate(3.6deg)}to{transform:rotate(2.4deg)}}@keyframes mia-lean-tilt{0%,to{transform:rotate(0)}25%{transform:rotate(-5deg)}62%{transform:rotate(-3.5deg)}}@keyframes mia-lean{0%,to{transform:scale(1)}25%{transform:scale(.96,1.06)}62%{transform:scale(.975,1.04)}}@keyframes mia-sleep{0%,to{transform:scale(1)}50%{transform:scale(1.035,.965)}}@keyframes mia-z{0%{opacity:0;transform:translate(0)scale(.7)}18%{opacity:.9}to{opacity:0;transform:translate(60%,-220%)scale(1.15)}}@media (prefers-reduced-motion:reduce){.mia-rive[data-variant][data-tone] .mia-rive-lift,.mia-rive[data-variant][data-tone] .mia-rive-tilt,.mia-rive[data-variant][data-tone] .mia-rive-glance,.mia-rive[data-variant][data-tone] .mia-rive-squash,.mia-rive[data-variant][data-tone] .mia-rive-shadow,.mia-rive[data-variant][data-tone] .mia-rive-swirl-light,.mia-rive[data-variant][data-tone] .mia-rive-z,.mia-rive[data-variant] .mia-rive-burst{animation:none}.mia-rive[data-variant][data-tone=thinking] .mia-rive-tilt{transform:rotate(-3deg)}.mia-rive[data-variant][data-tone=success] .mia-rive-lift{transform:translateY(-9%)}.mia-rive[data-variant][data-tone=success] .mia-rive-squash{transform:scale(.97,1.03)}.mia-rive[data-variant=celebrate-big][data-tone=success] .mia-rive-lift{transform:translateY(-14%)}.mia-rive[data-variant][data-tone=wrong] .mia-rive-squash{transform:scale(1.04,.955)}.mia-rive[data-variant][data-tone=wrong] .mia-rive-tilt{transform:rotate(2.4deg)}.mia-rive[data-variant][data-tone=hint] .mia-rive-tilt{transform:rotate(-3.5deg)}.mia-rive[data-variant][data-tone=sleep] .mia-rive-tilt{transform:rotate(4deg)}.mia-rive[data-variant][data-tone=sleep] .mia-rive-z{opacity:.55}}
.lx-root{--lx-white:var(--white,#fff);--lx-oat:var(--oat,#f5f3f1);--lx-oat-deep:var(--oat-deep,#e9e7e5);--lx-border:var(--border,#e4e4e4);--lx-ink:var(--ink,#000);--lx-ink-75:var(--ink-75,#000000bf);--lx-ink-60:var(--ink-60,#0009);--lx-ink-40:var(--ink-40,#0006);--lx-ink-30:var(--ink-30,#0000004d);--lx-ink-25:var(--ink-25,#00000040);--lx-green:var(--green,#29cc57);--lx-green-ink:var(--green-ink,#043013);--lx-green-tint:var(--green-tint,#29cc571a);--lx-green-ring:var(--green-ring,#29cc5759);--lx-correct:var(--correct,#2563eb);--lx-correct-tint:var(--correct-tint,#2563eb1a);--lx-wrong-border:var(--wrong-border,#ffad99);--lx-wrong-tint:var(--wrong-tint,#fff0eb);--lx-wrong-ink:var(--wrong-ink,#b23e24);--lx-sage-tint:var(--tint-sage,#e7eee2);--lx-sage-ink:var(--sage-ink,#4a6a3e);--lx-blue-tint:var(--tint-blue,#f0f8fa);--lx-r-tile:10px;--lx-r-chip:12px;--lx-r-card:17px;--lx-r-panel:20px;--lx-shadow-btn:var(--shadow-btn,0 4px 7px #0000000d);--lx-sans:var(--font-sans-clone,"DM Sans", sans-serif);--lx-serif:var(--font-serif-clone,"Source Serif 4", serif);--lx-fast:.14s;--lx-move:.22s;font-family:var(--lx-sans);color:var(--lx-ink);font-size:16px;line-height:24px}.lx-step{flex-direction:column;gap:18px;display:flex}.lx-teach{color:var(--lx-ink-60);font-size:16px;line-height:24px}.lx-prompt{font-size:20px;font-weight:500;line-height:28px}.lx-math-block{overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch;justify-content:center;max-width:100%;padding:6px 0;font-size:19px;display:flex;overflow:auto hidden}.lx-math-error{background:var(--lx-oat);border-radius:6px;padding:2px 6px;font-family:inherit}.lx-tile{border:1px solid var(--lx-border);border-radius:var(--lx-r-tile);background:var(--lx-white);min-width:44px;min-height:44px;box-shadow:var(--lx-shadow-btn);color:var(--lx-ink);cursor:pointer;transition:border-color var(--lx-fast) ease, box-shadow var(--lx-fast) ease, background var(--lx-fast) ease, transform var(--lx-fast) ease;justify-content:center;align-items:center;padding:8px 14px;font-family:inherit;font-size:16px;font-weight:500;display:inline-flex}.lx-tile:hover{border-color:var(--lx-ink-25)}.lx-tile:active{transform:scale(.97)}.lx-tile-active{border-color:var(--lx-green);box-shadow:0 0 0 2px var(--lx-green-ring)}.lx-tile-correct,.lx-tile-correct:hover{border-color:var(--lx-correct);background:var(--lx-correct-tint)}.lx-tile-wrong,.lx-tile-wrong:hover{border-color:var(--lx-wrong-border);background:var(--lx-wrong-tint);animation:.24s lx-shake}.lx-tile-done{cursor:default}.lx-tile:disabled{cursor:default;opacity:.55;box-shadow:none}.lx-tutor{border-radius:var(--lx-r-card);background:var(--lx-oat);animation:lx-rise var(--lx-move) ease;align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.lx-tutor-wrong{background:var(--lx-wrong-tint)}.lx-tutor-success{background:var(--lx-correct-tint)}.lx-tutor-hint{background:var(--lx-blue-tint)}.lx-tutor-mark{flex:none;margin-top:2px}.lx-tutor-name{color:var(--lx-ink,#000);margin-bottom:1px;font-size:16px;font-weight:700;line-height:22px}.lx-tutor-verdict{color:var(--lx-correct-ink,#2563eb);align-items:center;gap:5px;margin-left:10px;font-weight:700;display:inline-flex}.lx-tutor-verdict svg{flex:none}.lx-tutor-text{color:var(--lx-ink-75);font-size:15px;line-height:22px}.lx-tutor-wrong .lx-tutor-text strong{color:var(--lx-wrong-ink)}.lx-btn{background:var(--lx-green);min-height:48px;color:var(--lx-green-ink);cursor:pointer;box-shadow:var(--lx-shadow-btn);transition:filter var(--lx-fast) ease, transform var(--lx-fast) ease;border:none;border-radius:9999px;justify-content:center;align-items:center;padding:12px 24px;font-family:inherit;font-size:17px;font-weight:500;display:inline-flex}.lx-btn:hover{filter:brightness(.95)}.lx-btn:active{transform:scale(.98)}.lx-btn:disabled{background:var(--lx-oat-deep);color:var(--lx-ink-40);cursor:default}.lx-btn-quiet{background:var(--lx-white);color:var(--lx-ink-60);border:1px solid var(--lx-border)}.lx-btn-quiet:hover{filter:none;border-color:var(--lx-ink-25)}.lx-hint-row{justify-content:flex-end;display:flex}.lx-hint-btn{min-height:44px;color:var(--lx-ink-40);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:6px 8px;font-family:inherit;font-size:14px;display:inline-flex}.lx-hint-btn:hover{color:var(--lx-ink-60);background:var(--lx-oat)}@keyframes lx-shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}@keyframes lx-rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes lx-pop{0%{transform:scale(1)}50%{transform:scale(1.06)}to{transform:scale(1)}}.lx-pop{animation:.24s lx-pop}@media (prefers-reduced-motion:reduce){.lx-root *,.lx-root :before,.lx-root :after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (max-width:480px){.lx-math-block{background:linear-gradient(90deg, var(--lx-white) 30%, transparent) left center, linear-gradient(270deg, var(--lx-white) 30%, transparent) right center, linear-gradient(90deg, var(--lx-ink-25), transparent) left center, linear-gradient(270deg, var(--lx-ink-25), transparent) right center;scrollbar-color:var(--lx-ink-25) transparent;scrollbar-width:thin;background-repeat:no-repeat;background-size:24px 100%,24px 100%,10px 100%,10px 100%;background-attachment:local,local,scroll,scroll;justify-content:safe center;font-size:17px}}
.lx-orb{flex:none;display:inline-block;position:relative}.lx-orb-body{background:radial-gradient(circle at 30% 26%,#ffffffd9 0%,#fff0 34%),radial-gradient(circle at 62% 70%,#0c5c2c8c 0%,#0c5c2c00 55%),radial-gradient(circle at 45% 42%,#7ee9a0 0%,#29cc57 58%,#178d42 100%);border-radius:9999px;animation:3.2s ease-in-out infinite lx-orb-breathe;position:absolute;inset:0;box-shadow:0 3px 8px #0000002e}.lx-orb-body:before{content:"";opacity:0;background:radial-gradient(circle at 30% 30%,#ffffff8c 0%,#fff0 45%);border-radius:9999px;transition:opacity .3s;position:absolute;inset:12%}.lx-orb-thinking .lx-orb-body:before{opacity:1;animation:1.1s linear infinite lx-orb-swirl}.lx-orb-thinking .lx-orb-body{animation-duration:1.6s}.lx-orb:after{content:"";border:2px solid #0000;border-radius:9999px;transition:border-color .2s;position:absolute;inset:-3px}.lx-orb-hint:after{border-color:#c5e2eb}.lx-orb-wrong:after{border-color:var(--wrong,#c8482c)}.lx-orb-success:after{border-color:var(--correct,#2563eb)}.lx-orb-success .lx-orb-body{animation:3.2s ease-in-out infinite lx-orb-breathe,.5s lx-orb-cheer}.lx-orb-wrong .lx-orb-body{animation:3.2s ease-in-out infinite lx-orb-breathe,.4s lx-orb-squash}.lx-orb-eye{background:#ffffffeb;border-radius:9999px;width:12%;height:22%;animation:4.4s ease-in-out infinite lx-orb-blink;position:absolute;top:38%}.lx-orb-eye-l{left:30%}.lx-orb-eye-r{animation-delay:50ms;right:30%}.lx-orb-wrong .lx-orb-eye{height:14%;top:42%}@keyframes lx-orb-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.045)}}@keyframes lx-orb-swirl{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes lx-orb-blink{0%,91%,to{transform:scaleY(1)}94%,96%{transform:scaleY(.12)}}@keyframes lx-orb-cheer{0%{transform:scale(1)}35%{transform:scale(1.14)}70%{transform:scale(.97)}to{transform:scale(1)}}@keyframes lx-orb-squash{0%{transform:scale(1)}40%{transform:scale(1.05,.9)}to{transform:scale(1)}}@media (prefers-reduced-motion:reduce){.lx-orb-body,.lx-orb-body:before,.lx-orb-eye{animation:none}}
.primitives-module__VKqiTW__button{border-radius:var(--learn-radius-control);cursor:pointer;min-height:44px;transition:transform var(--learn-fast) var(--learn-ease), border-color var(--learn-fast) ease, background var(--learn-fast) ease;border:1px solid #0000;justify-content:center;align-items:center;display:inline-flex}.primitives-module__VKqiTW__button:hover:not(:disabled){transform:translateY(-1px)}.primitives-module__VKqiTW__button:active:not(:disabled){transform:translateY(0)scale(.985)}.primitives-module__VKqiTW__button:disabled{cursor:not-allowed;opacity:.38}.primitives-module__VKqiTW__primary{gap:var(--learn-space-2);background:var(--learn-text);color:var(--learn-surface);padding:0 17px;font-weight:650}.primitives-module__VKqiTW__secondary{gap:var(--learn-space-2);border-color:var(--learn-hairline-strong);background:var(--learn-wash-strong);color:var(--learn-text);padding:0 15px}.primitives-module__VKqiTW__iconOnly{border-color:var(--learn-hairline);background:var(--learn-wash);width:44px;color:var(--learn-text-soft);padding:0}.primitives-module__VKqiTW__button svg{width:16px;height:16px}.primitives-module__VKqiTW__busyDot{background:currentColor;border-radius:50%;width:8px;height:8px;animation:1.1s ease-in-out infinite primitives-module__VKqiTW__pulse}@keyframes primitives-module__VKqiTW__pulse{0%,to{opacity:.35;transform:scale(.82)}50%{opacity:1;transform:scale(1)}}.primitives-module__VKqiTW__card{border:1px solid var(--learn-hairline);border-radius:var(--learn-radius-card);background:var(--learn-sheen), var(--learn-surface);min-width:0;box-shadow:var(--learn-shadow-card);isolation:isolate;position:relative;overflow:hidden}.primitives-module__VKqiTW__aura{z-index:-1;border-radius:var(--learn-radius-pill);background:radial-gradient(60% 100% at 50% 0, var(--learn-hue), transparent 70%);filter:blur(6px);opacity:.34;pointer-events:none;width:80%;height:110%;position:absolute;top:-55%;left:10%}.primitives-module__VKqiTW__cardContent{z-index:1;min-width:0;padding:clamp(18px,3vw,28px);position:relative}.primitives-module__VKqiTW__cardHeader{grid-template-columns:42px minmax(0,1fr) auto;align-items:start;gap:13px;display:grid}.primitives-module__VKqiTW__squircle{border:1px solid var(--learn-hairline-strong);background:linear-gradient(145deg, color-mix(in srgb, var(--learn-hue) 96%, white 4%), color-mix(in srgb, var(--learn-hue) 62%, var(--learn-ground)));width:38px;height:38px;box-shadow:inset 0 1px 0 #fff3, 0 8px 28px color-mix(in srgb, var(--learn-hue) 22%, transparent);color:#fff;border-radius:11px;place-items:center;display:grid}.primitives-module__VKqiTW__squircle svg{width:20px;height:20px}.primitives-module__VKqiTW__headerCopy{gap:2px;min-width:0;display:grid}.primitives-module__VKqiTW__eyebrow{color:var(--learn-text-dim);font-family:var(--learn-font-mono);font-variant-numeric:tabular-nums;letter-spacing:.11em;text-transform:uppercase;font-size:.68rem;font-weight:500;line-height:1.3}.primitives-module__VKqiTW__cardTitle{color:var(--learn-text);letter-spacing:-.025em;font-size:clamp(1rem,2.2vw,1.25rem);font-weight:600;line-height:1.18}.primitives-module__VKqiTW__cardDetail{color:var(--learn-text-dim);margin-top:3px;font-size:.82rem;line-height:1.4}.primitives-module__VKqiTW__headerTrailing{align-items:center;min-height:38px;display:flex}.primitives-module__VKqiTW__splitText{color:var(--learn-text)}.primitives-module__VKqiTW__splitDim{color:var(--learn-text-dim)}.primitives-module__VKqiTW__rule{height:1px;margin:var(--learn-space-5) 0;background:var(--learn-hairline);border:0}.primitives-module__VKqiTW__fieldGroup{gap:var(--learn-space-2);display:grid}.primitives-module__VKqiTW__fieldLabel{color:var(--learn-text-soft);font-size:.78rem;font-weight:560}.primitives-module__VKqiTW__input,.primitives-module__VKqiTW__textarea{border:1px solid var(--learn-hairline-strong);width:100%;color:var(--learn-text);transition:border-color var(--learn-fast) ease;background:#0000003d;border-radius:12px}.primitives-module__VKqiTW__input{min-height:52px;padding:0 14px}.primitives-module__VKqiTW__textarea{resize:vertical;min-height:170px;padding:14px;line-height:1.6}.primitives-module__VKqiTW__input::placeholder,.primitives-module__VKqiTW__textarea::placeholder{color:var(--learn-text-dim)}.primitives-module__VKqiTW__input:hover:not(:disabled),.primitives-module__VKqiTW__textarea:hover:not(:disabled){border-color:color-mix(in srgb, var(--learn-hue) 40%, var(--learn-hairline-strong))}.primitives-module__VKqiTW__fieldError{color:var(--learn-miss);font-size:.78rem}.primitives-module__VKqiTW__fieldErrorBorder,.primitives-module__VKqiTW__fieldErrorBorder:hover:not(:disabled){border-color:color-mix(in srgb, var(--learn-miss) 62%, transparent)}.primitives-module__VKqiTW__tag{border:1px solid var(--learn-hairline);border-radius:var(--learn-radius-pill);background:var(--learn-wash-strong);min-height:28px;color:var(--learn-text-soft);font-family:var(--learn-font-mono);font-variant-numeric:tabular-nums;white-space:nowrap;align-items:center;gap:6px;padding:0 10px;font-size:.7rem;display:inline-flex}.primitives-module__VKqiTW__tagHue{border-color:color-mix(in srgb, var(--learn-hue) 40%, transparent);background:color-mix(in srgb, var(--learn-hue) 12%, transparent);color:color-mix(in srgb, var(--learn-hue) 60%, white)}.primitives-module__VKqiTW__tagMastery{border-color:color-mix(in srgb, var(--learn-mastery) 38%, transparent);background:color-mix(in srgb, var(--learn-mastery) 11%, transparent);color:color-mix(in srgb, var(--learn-mastery) 74%, white)}.primitives-module__VKqiTW__tagMiss{border-color:color-mix(in srgb, var(--learn-miss) 38%, transparent);background:color-mix(in srgb, var(--learn-miss) 10%, transparent);color:color-mix(in srgb, var(--learn-miss) 72%, white)}.primitives-module__VKqiTW__progressTrack{border-radius:var(--learn-radius-pill);background:#ffffff14;height:4px;overflow:hidden}.primitives-module__VKqiTW__progressFill{width:var(--learn-progress,0%);border-radius:inherit;background:linear-gradient(90deg, color-mix(in srgb, var(--learn-hue) 52%, #fff), var(--learn-hue));height:100%;box-shadow:0 0 18px color-mix(in srgb, var(--learn-hue) 52%, transparent);transition:width var(--learn-slow) var(--learn-ease);display:block}.primitives-module__VKqiTW__sheet{z-index:var(--learn-z-sheet);width:min(560px, calc(100vw - 2 * var(--learn-space-4)));border:1px solid var(--learn-hairline-strong);border-radius:var(--learn-radius-card);background:var(--learn-sheen), var(--learn-raised);max-height:84vh;box-shadow:var(--learn-shadow-pop);color:var(--learn-text);padding:0;position:fixed;overflow:auto}.primitives-module__VKqiTW__sheet::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#050507b8}.primitives-module__VKqiTW__sheetInner{padding:var(--learn-space-6)}.primitives-module__VKqiTW__sheetBar{margin-bottom:var(--learn-space-4);justify-content:space-between;align-items:center;gap:var(--learn-space-3);display:flex}.primitives-module__VKqiTW__sheetTitle{font-size:var(--learn-type-lg);letter-spacing:-.02em;margin:0;font-weight:600}@media (max-width:760px){.primitives-module__VKqiTW__sheet{border-radius:var(--learn-radius-card) var(--learn-radius-card) 0 0;border-bottom:0;width:100vw;max-width:none;max-height:88vh;margin:0;top:auto;bottom:0}}.primitives-module__VKqiTW__toastRegion{z-index:var(--learn-z-toast);right:var(--learn-space-4);bottom:var(--learn-space-4);gap:var(--learn-space-2);justify-items:end;display:grid;position:fixed}.primitives-module__VKqiTW__toast{border:1px solid var(--learn-hairline-strong);background:var(--learn-sheen), var(--learn-raised);min-height:44px;box-shadow:var(--learn-shadow-pop);color:var(--learn-text);animation:primitives-module__VKqiTW__toastIn var(--learn-slow) var(--learn-ease);border-radius:12px;align-items:center;gap:10px;padding:10px 14px;font-size:.9rem;display:flex}.primitives-module__VKqiTW__toastMastery{border-color:color-mix(in srgb, var(--learn-mastery) 44%, transparent)}.primitives-module__VKqiTW__toastMiss{border-color:color-mix(in srgb, var(--learn-miss) 44%, transparent)}.primitives-module__VKqiTW__toastDot{background:var(--learn-hue);border-radius:50%;width:7px;height:7px;box-shadow:0 0 10px}.primitives-module__VKqiTW__toastMastery .primitives-module__VKqiTW__toastDot{background:var(--learn-mastery)}.primitives-module__VKqiTW__toastMiss .primitives-module__VKqiTW__toastDot{background:var(--learn-miss)}@keyframes primitives-module__VKqiTW__toastIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.primitives-module__VKqiTW__skeleton{border-radius:var(--learn-radius-control);background:var(--learn-wash);position:relative;overflow:hidden}.primitives-module__VKqiTW__skeleton:after{content:"";background:linear-gradient(100deg,#0000 30%,#ffffff0d 50%,#0000 70%);animation:1.6s ease-in-out infinite primitives-module__VKqiTW__shimmer;position:absolute;inset:0}@keyframes primitives-module__VKqiTW__shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.primitives-module__VKqiTW__tipWrap{display:inline-flex;position:relative}.primitives-module__VKqiTW__tipTrigger{border-bottom:1px dotted var(--learn-text-dim);cursor:help}.primitives-module__VKqiTW__tip{z-index:var(--learn-z-tooltip);border:1px solid var(--learn-hairline-strong);border-radius:var(--learn-radius-control);background:var(--learn-raised);width:max-content;max-width:240px;box-shadow:var(--learn-shadow-pop);color:var(--learn-text-soft);opacity:0;pointer-events:none;transition:opacity var(--learn-fast) ease, transform var(--learn-fast) var(--learn-ease);padding:8px 11px;font-size:.8rem;line-height:1.45;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%,3px)}.primitives-module__VKqiTW__tipWrap:hover .primitives-module__VKqiTW__tip,.primitives-module__VKqiTW__tipWrap:focus-within .primitives-module__VKqiTW__tip{opacity:1;transform:translate(-50%)}
.learning-science-section-module__kxmhHW__section{border-block:1px solid var(--border);background:var(--oat);width:100%;color:var(--ink)}.learning-science-section-module__kxmhHW__inner{grid-template-columns:minmax(230px,.72fr) minmax(0,1.28fr);align-items:start;gap:72px;width:100%;max-width:1168px;margin:0 auto;padding:64px 24px;display:grid}.learning-science-section-module__kxmhHW__inner h2{max-width:390px;font-family:var(--serif);letter-spacing:-.035em;margin:0;font-size:clamp(2.25rem,4vw,3.75rem);font-weight:500;line-height:1.02}.learning-science-section-module__kxmhHW__claims{border-top:1px solid var(--border);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.learning-science-section-module__kxmhHW__claim{border-bottom:1px solid var(--border);min-height:104px;color:var(--ink);grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:18px;padding:18px 18px 18px 0;font-size:17px;font-weight:650;line-height:1.45;text-decoration:none;transition:background-color .16s,padding .16s;display:grid}.learning-science-section-module__kxmhHW__claim:nth-child(odd){border-right:1px solid var(--border);padding-right:28px}.learning-science-section-module__kxmhHW__claim:nth-child(2n){padding-left:28px}.learning-science-section-module__kxmhHW__claim span:last-child{color:var(--ink-40);transition:transform .16s,color .16s}.learning-science-section-module__kxmhHW__claim:hover,.learning-science-section-module__kxmhHW__claim:focus-visible{background:var(--white)}.learning-science-section-module__kxmhHW__claim:hover span:last-child,.learning-science-section-module__kxmhHW__claim:focus-visible span:last-child{color:var(--ink);transform:translate(3px)}.learning-science-section-module__kxmhHW__claim:focus-visible{outline:3px solid var(--correct-ring);outline-offset:3px}@media (prefers-reduced-motion:reduce){.learning-science-section-module__kxmhHW__claim,.learning-science-section-module__kxmhHW__claim span:last-child{transition:none}}@media (max-width:760px){.learning-science-section-module__kxmhHW__inner{grid-template-columns:1fr;gap:32px;padding:48px 20px}.learning-science-section-module__kxmhHW__inner h2{max-width:330px;font-size:clamp(2.15rem,11vw,3.1rem)}.learning-science-section-module__kxmhHW__claims{grid-template-columns:1fr}.learning-science-section-module__kxmhHW__claim,.learning-science-section-module__kxmhHW__claim:nth-child(odd),.learning-science-section-module__kxmhHW__claim:nth-child(2n){border-right:0;min-height:0;padding:17px 0}}
