@property --gl-primary{syntax: "<color>"; inherits: true; initial-value: #015bfe;}.gl{--gl-font-display: "Source Serif 4", Georgia, "Times New Roman", serif;--gl-font-text: Onest, "Segoe UI", system-ui, -apple-system, sans-serif;--gl-font-hand: "Marck Script", "Segoe Script", cursive;--gl-font-math: "Source Serif 4", "Cambria Math", Cambria, serif;--gl-primary: #015bfe;--gl-on-primary: #fff;--gl-primary-hover: color-mix(in oklab, var(--gl-primary) 86%, #000);--gl-primary-ink: color-mix(in oklab, var(--gl-primary) 84%, var(--gl-ink));--gl-primary-line: color-mix(in oklab, var(--gl-primary) 34%, var(--gl-surface));--gl-primary-soft: color-mix(in oklab, var(--gl-primary) 11%, var(--gl-surface));--gl-primary-wash: color-mix(in oklab, var(--gl-primary) 5%, var(--gl-surface));--gl-primary-glow: color-mix(in oklab, var(--gl-primary) 40%, transparent);--gl-bg: #fdfdfc;--gl-oat: #f6f4f1;--gl-oat-deep: #f0ece6;--gl-surface: #fff;--gl-surface-2: #f7f7f8;--gl-glass: rgb(255 255 255 / .6);--gl-chip: #f3f2ef;--gl-ink: #000;--gl-ink-2: rgb(0 0 0 / .64);--gl-ink-3: rgb(0 0 0 / .52);--gl-ink-4: rgb(0 0 0 / .3);--gl-line: rgb(0 0 0 / .08);--gl-line-strong: rgb(0 0 0 / .13);--gl-grid: rgb(0 0 0 / .06);--gl-logo-cut: var(--gl-surface);--gl-ok: #15b441;--gl-warn: #f59e0b;--gl-bad: #f04848;--gl-off: #b9b9b9;--gl-ok-soft: color-mix(in oklab, var(--gl-ok) 12%, var(--gl-surface));--gl-ok-ink: color-mix(in oklab, var(--gl-ok) 78%, var(--gl-ink));--gl-warn-soft: color-mix(in oklab, var(--gl-warn) 15%, var(--gl-surface));--gl-bad-soft: color-mix(in oklab, var(--gl-bad) 10%, var(--gl-surface));--gl-illus-hi: #f7f7f7;--gl-illus-lo: #d4d4d4;--gl-illus-edge: #cfcfcf;--gl-illus-shadow: rgb(0 0 0 / .08);--gl-shadow-sm: 0 1px 2px rgb(0 0 0 / .04), 0 4px 12px rgb(0 0 0 / .04);--gl-shadow-md: 0 1px 2px rgb(0 0 0 / .04), 0 14px 34px rgb(0 0 0 / .07);--gl-shadow-lg: 0 2px 6px rgb(0 0 0 / .03), 0 32px 72px rgb(40 30 20 / .11);--gl-max: 1240px;--gl-gutter: 40px;--gl-header-h: 58px;--gl-header-top: 14px;--gl-note-room: clamp(96px, 14vh, 132px);min-height:100dvh;overflow-x:clip;color:var(--gl-ink);background:var(--gl-bg);font-family:var(--gl-font-text);font-size:16px;line-height:1.5;font-optical-sizing:auto;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;transition:--gl-primary .5s ease}.gl[data-level=base]{--gl-primary: #eb4401}.gl[data-level=advanced]{--gl-primary: #15b441}.gl[data-level=olympiad]{--gl-primary: #015bfe}.gl[data-theme=dark]{color-scheme:dark;--gl-bg: #111;--gl-oat: #191817;--gl-oat-deep: #201f1d;--gl-surface: #1e1e1e;--gl-surface-2: #262626;--gl-glass: rgb(255 255 255 / .05);--gl-chip: #2b2b2b;--gl-ink: #fff;--gl-ink-2: rgb(255 255 255 / .74);--gl-ink-3: rgb(255 255 255 / .58);--gl-ink-4: rgb(255 255 255 / .34);--gl-line: rgb(255 255 255 / .09);--gl-line-strong: rgb(255 255 255 / .16);--gl-grid: rgb(255 255 255 / .04);--gl-primary-soft: color-mix(in oklab, var(--gl-primary) 22%, var(--gl-surface));--gl-primary-wash: color-mix(in oklab, var(--gl-primary) 10%, var(--gl-surface));--gl-primary-line: color-mix(in oklab, var(--gl-primary) 50%, var(--gl-surface));--gl-ok-soft: color-mix(in oklab, var(--gl-ok) 22%, var(--gl-surface));--gl-warn-soft: color-mix(in oklab, var(--gl-warn) 22%, var(--gl-surface));--gl-bad-soft: color-mix(in oklab, var(--gl-bad) 20%, var(--gl-surface));--gl-off: #6b6b6b;--gl-illus-hi: #3d3d3d;--gl-illus-lo: #262626;--gl-illus-edge: #181818;--gl-illus-shadow: rgb(0 0 0 / .45);--gl-shadow-sm: 0 1px 2px rgb(0 0 0 / .3), 0 4px 12px rgb(0 0 0 / .25);--gl-shadow-md: 0 1px 2px rgb(0 0 0 / .3), 0 14px 34px rgb(0 0 0 / .35);--gl-shadow-lg: 0 2px 6px rgb(0 0 0 / .3), 0 32px 72px rgb(0 0 0 / .5)}html:has(.gl),html:has(.gl) body,html:has(.gl) #root{background:#fdfdfc}html:has(.gl[data-theme=dark]),html:has(.gl[data-theme=dark]) body,html:has(.gl[data-theme=dark]) #root{background:#111}html:has(.gl){scroll-padding-top:calc(var(--gl-anchor-gap, 96px))}@media(prefers-reduced-motion:no-preference){html:has(.gl){scroll-behavior:smooth}}.gl :where(*,*:before,*:after){box-sizing:border-box}.gl :where(h1,h2,h3,h4,p,ul,ol,figure,fieldset){margin:0}.gl :where(ul,ol){padding:0;list-style:none}.gl :where(fieldset){padding:0;border:0;min-width:0}.gl :where(a){color:inherit;text-decoration:none}.gl :where(button){font:inherit;color:inherit;cursor:pointer}.gl :where(svg){flex:none}.gl :where(b,strong){font-weight:500}.gl :where(:focus-visible){outline:3px solid color-mix(in oklab,var(--gl-primary) 55%,transparent);outline-offset:3px}.gl-sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.gl-container{width:min(var(--gl-max),100% - 2 * var(--gl-gutter));margin-inline:auto}.gl-display,.gl-h2,.gl-h3-display{font-family:var(--gl-font-display);font-weight:600;color:var(--gl-ink);font-kerning:normal}.gl-display{font-size:clamp(44px,4.55vw,72px);line-height:1.02;letter-spacing:-.032em}.gl-h2{font-size:clamp(38px,4.6vw,68px);line-height:1.02;letter-spacing:-.032em}.gl-h2-md{font-size:clamp(34px,3.5vw,54px);line-height:1.05;letter-spacing:-.028em}.gl-h2-sm{font-size:clamp(28px,2.5vw,38px);line-height:1.1;letter-spacing:-.024em}.gl-h3-display{font-size:clamp(28px,2.5vw,38px);line-height:1.08;letter-spacing:-.026em}.gl-lead{color:var(--gl-ink-3);font-size:clamp(18px,1.5vw,22px);line-height:1.45;letter-spacing:-.005em}.gl-eyebrow{color:var(--gl-ink-3);font-size:18px;line-height:1.3}.gl-accent{color:var(--gl-primary-ink)}.gl-math{font-family:var(--gl-font-math);font-style:normal;letter-spacing:0}.gl-math i{font-style:italic;padding-right:.04em}.gl-text-link{display:inline-flex;align-items:center;gap:6px;color:var(--gl-primary-ink);font-size:14px;font-weight:500}.gl-text-link svg{width:16px;height:16px;transition:transform .2s}.gl-text-link:hover svg{transform:translate(3px)}.gl-btn{--h: 52px;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:var(--h);padding:0 calc(var(--h) * .5);border:1px solid transparent;border-radius:999px;font-family:var(--gl-font-text);font-size:17px;font-weight:500;line-height:1;letter-spacing:-.005em;white-space:nowrap;text-decoration:none;transition:background-color .2s,color .2s,border-color .2s,box-shadow .2s,transform .12s;-webkit-user-select:none;user-select:none}.gl-btn svg{width:1.15em;height:1.15em}.gl-btn:active{transform:translateY(1px) scale(.99)}.gl-btn-xs{--h: 36px;padding:0 16px;font-size:13px;gap:6px}.gl-btn-sm{--h: 46px;font-size:16px}.gl-btn-md{--h: 56px;padding:0 30px;font-size:17px}.gl-btn-lg{--h: 66px;padding:0 44px;font-size:20px}.gl-btn-block{width:100%}.gl-btn-primary{color:var(--gl-on-primary);background:var(--gl-primary);box-shadow:0 12px 26px -12px var(--gl-primary-glow)}.gl-btn-primary:hover{background:var(--gl-primary-hover);box-shadow:0 16px 30px -12px var(--gl-primary-glow)}.gl-btn-ink{color:var(--gl-surface);background:var(--gl-ink)}.gl-btn-ink:hover{background:color-mix(in oklab,var(--gl-ink) 80%,var(--gl-surface))}.gl-btn-outline{color:var(--gl-ink);background:var(--gl-surface);border-color:var(--gl-line-strong)}.gl-btn-outline:hover{border-color:var(--gl-ink-4)}.gl-btn-ghost{color:var(--gl-ink);background:var(--gl-surface);box-shadow:var(--gl-shadow-sm),inset 0 0 0 1px var(--gl-line)}.gl-btn-ghost:hover{box-shadow:var(--gl-shadow-md),inset 0 0 0 1px var(--gl-line-strong)}.gl-btn-ok{color:#fff;background:var(--gl-ok)}.gl-arrow-circle{display:inline-grid;place-items:center;width:46px;height:46px;flex:none;color:var(--gl-ink);border:1px solid var(--gl-line-strong);border-radius:50%;background:var(--gl-surface);transition:background-color .2s,color .2s,border-color .2s,transform .2s}.gl-arrow-circle svg{width:19px;height:19px}.gl-arrow-sm{width:32px;height:32px}.gl-arrow-sm svg{width:15px;height:15px}.gl-tile{display:inline-grid;place-items:center;width:52px;height:52px;flex:none;color:var(--gl-ink);border-radius:15px;background:var(--gl-chip)}.gl-tile svg{width:24px;height:24px}.gl-tile-lg{width:72px;height:72px;border-radius:18px}.gl-tile-lg svg{width:30px;height:30px}.gl-header{position:sticky;top:var(--gl-header-top);z-index:50;width:min(var(--gl-max),100% - 2 * var(--gl-gutter));margin:var(--gl-header-top) auto 0}.gl-header-bar{display:flex;align-items:center;gap:20px;height:var(--gl-header-h);padding:0 8px 0 22px;border:1px solid var(--gl-line);border-radius:999px;background:color-mix(in oklab,var(--gl-surface) 86%,transparent);-webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);box-shadow:var(--gl-shadow-md)}.gl-logo{display:inline-flex;align-items:center;gap:13px;flex:none;color:var(--gl-ink);font-size:25px;font-weight:600;letter-spacing:-.03em;line-height:1}.gl-logo-mark{width:28px;height:28px;color:var(--gl-ink)}.gl-level-switch{display:flex;align-items:center;gap:4px;margin:0 auto}.gl-level-tab{position:relative;display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;color:var(--gl-ink-3);border:0;border-radius:999px;background:transparent;font-size:16px;transition:color .2s,background-color .25s}.gl-level-tab:before{content:"";width:7px;height:7px;margin-left:-4px;border-radius:50%;background:var(--tone);transform:scale(0);transition:transform .25s cubic-bezier(.3,1.6,.5,1)}.gl-level-tab:not([aria-pressed=true]):before{width:0;margin-left:-8px}.gl-level-tab:hover{color:var(--gl-ink)}.gl-level-tab[aria-pressed=true]{color:var(--gl-primary-ink);background:var(--gl-primary-soft)}.gl-level-tab[aria-pressed=true]:before{transform:scale(1)}.gl-header-actions{display:flex;align-items:center;gap:8px;flex:none}.gl-header-actions .gl-btn-sm{--h: 42px;padding:0 26px;font-size:15.5px}.gl-header-start{max-width:160px;overflow:hidden;transition:max-width .4s cubic-bezier(.2,.8,.2,1),padding .4s cubic-bezier(.2,.8,.2,1),margin .4s,opacity .3s,background-color .2s}.gl-header:not(.is-past) .gl-header-start{max-width:0;margin-left:-8px;padding-inline:0;opacity:0;pointer-events:none}.gl-header-login{max-width:160px;overflow:hidden;transition:max-width .4s cubic-bezier(.2,.8,.2,1),padding .4s cubic-bezier(.2,.8,.2,1),margin .4s,opacity .3s,border-width .4s,visibility 0s}.gl-burger{display:none;place-items:center;width:42px;height:42px;color:var(--gl-ink);border:0;border-radius:50%;background:transparent}.gl-burger svg{width:26px;height:26px}.gl-menu{position:absolute;top:calc(100% + 10px);left:0;right:0;display:grid;gap:14px;padding:18px;border:1px solid var(--gl-line);border-radius:28px;background:var(--gl-surface);box-shadow:var(--gl-shadow-lg);transform-origin:top center;animation:gl-pop .22s cubic-bezier(.2,.8,.2,1)}.gl-menu[hidden]{display:none}.gl-menu-label{color:var(--gl-ink-3);font-size:13px}.gl-menu-levels{display:grid;grid-template-columns:repeat(3,auto);margin:-4px 0 0;padding:3px;border-radius:999px;background:var(--gl-surface-2)}.gl-menu-levels .gl-level-tab{justify-content:center;min-width:0;height:40px;padding:0 8px;font-size:clamp(13px,3.75vw,14.5px);letter-spacing:-.01em;white-space:nowrap}.gl-menu-levels .gl-level-tab:before{display:none}.gl-menu-levels .gl-level-tab[aria-pressed=true]{background:var(--gl-surface);box-shadow:var(--gl-shadow-sm)}.gl-menu-links{display:grid;border-top:1px solid var(--gl-line)}.gl-menu-links a{display:flex;align-items:center;justify-content:space-between;min-height:52px;border-bottom:1px solid var(--gl-line);font-size:17px}.gl-menu-links svg{width:18px;height:18px;color:var(--gl-ink-4)}.gl-hero{position:relative;isolation:isolate;margin-top:calc(-1 * (var(--gl-header-h) + var(--gl-header-top)));padding:calc(var(--gl-header-h) + var(--gl-header-top) + var(--gl-note-room)) 0 clamp(20px,3.5vh,52px);background:var(--gl-oat)}.gl-hero:before{content:"";position:absolute;inset:0 0 auto;z-index:-1;height:calc(var(--gl-header-h) + var(--gl-header-top) + var(--gl-note-room) - 14px);background-image:linear-gradient(var(--gl-grid) 1px,transparent 1px),linear-gradient(90deg,var(--gl-grid) 1px,transparent 1px);background-size:30px 30px;background-position:center -1px;-webkit-mask-image:linear-gradient(#000,rgb(0 0 0 / .55) 50%,transparent);mask-image:linear-gradient(#000,rgb(0 0 0 / .55) 50%,transparent)}.gl-hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:center;gap:clamp(40px,5vw,80px)}.gl-hero-lead{margin-top:clamp(16px,2.6vh,26px)}.gl-hero-lead b{color:var(--gl-ink)}.gl-hero-actions{display:flex;flex-wrap:wrap;gap:18px;margin-top:clamp(26px,4.4vh,44px)}.gl-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(24px,4.2vh,40px)}.gl-chips li{display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 18px 0 14px;color:var(--gl-ink-2);border:1px solid var(--gl-line);border-radius:999px;background:var(--gl-surface);font-size:16px}.gl-chips svg{width:23px;height:23px;color:var(--gl-ink-3)}.gl-chip-phone-text{display:none}.gl-hero-visual{position:relative}.gl-video-placeholder{display:grid;place-content:center;justify-items:center;gap:14px;width:100%;aspect-ratio:519 / 483;color:var(--gl-ink-3);border:1px solid var(--gl-line);border-radius:26px;background:var(--gl-surface);box-shadow:var(--gl-shadow-md);font-size:17px}.gl-video-play{display:grid;place-items:center;width:64px;height:64px;color:var(--gl-ink-2);border-radius:50%;background:var(--gl-surface-2)}.gl-video-play svg{width:26px;height:26px;margin-left:3px;fill:currentColor}.gl-hero-note{position:absolute;top:calc(11px - var(--gl-note-room));right:0;width:260px;aspect-ratio:460 / 178;background:var(--gl-ink-2);-webkit-mask:url(/landing/hand-fix.webp) center / contain no-repeat;mask:url(/landing/hand-fix.webp) center / contain no-repeat;pointer-events:none}.gl-pencil{position:absolute;top:calc(32px - var(--gl-note-room));right:-77px;width:100px;height:auto;filter:drop-shadow(10px 14px 10px rgb(60 40 10 / .16));pointer-events:none}.gl-hand{position:absolute;color:var(--gl-ink-2);font-family:var(--gl-font-hand);font-size:34px;line-height:1.06;text-align:center;transform:rotate(-9deg);pointer-events:none}.gl-hand-arrow{position:absolute;width:56px;height:52px}.gl-frame{position:relative;padding:14px;border:1px solid var(--gl-line);border-radius:30px;background:var(--gl-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--gl-shadow-lg)}.gl-frame-dots{padding-top:30px}.gl-frame-buttons{position:absolute;top:12px;left:20px;display:flex;gap:6px}.gl-frame-buttons i{width:8px;height:8px;border-radius:50%;background:var(--gl-line-strong)}.gl-app{display:grid;grid-template-columns:minmax(118px,30%) minmax(0,1fr);overflow:hidden;color:var(--gl-ink);border:1px solid var(--gl-line);border-radius:20px;background:var(--gl-surface)}.gl-app-side{padding:22px 12px;background:var(--gl-surface-2)}.gl-app-brand{display:flex;align-items:center;gap:10px;padding:0 10px;font-size:16px;font-weight:600;letter-spacing:-.02em;white-space:nowrap}.gl-app-mark{width:18px;height:18px;color:var(--gl-ink)}.gl-app-side ul{display:grid;gap:4px;margin-top:26px}.gl-app-side li{display:flex;align-items:center;gap:11px;height:40px;padding:0 10px;color:var(--gl-ink-3);border-radius:11px;font-size:13.5px;white-space:nowrap}.gl-app-side li svg{width:18px;height:18px}.gl-app-side li.is-active{color:var(--gl-primary-ink);background:var(--gl-primary-soft);font-weight:500}.gl-app-main{min-width:0}.gl-progress{position:relative;display:block;height:6px;overflow:hidden;border-radius:999px;background:var(--gl-line)}.gl-progress i{position:absolute;inset:0 auto 0 0;border-radius:inherit;background:var(--gl-ok);transition:width .6s cubic-bezier(.2,.8,.2,1)}.gl-hero-frame{padding:10px;border-radius:26px}.gl-hero-frame .gl-app{grid-template-columns:minmax(118px,27%) minmax(0,1fr)}.gl-hero-frame .gl-app-side li{height:38px}.gl-hero-frame .gl-option{min-height:clamp(35px,4.5vh,40px)}.gl-hero-frame .gl-options{gap:6px}.gl-quiz-main{padding:16px}.gl-quiz-top{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding:0 4px}.gl-quiz-topic small,.gl-quiz-count small{display:block;color:var(--gl-ink-3);font-size:12px}.gl-quiz-topic strong{display:block;margin-top:4px;font-size:14.5px;white-space:nowrap}.gl-quiz-count{width:96px;flex:none;padding-bottom:6px}.gl-quiz-count small{margin-bottom:7px}.gl-quiz{margin-top:14px;padding:14px 16px 16px;border:1px solid var(--gl-line);border-radius:16px;background:var(--gl-surface)}.gl-quiz-tags{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:28px}.gl-tag{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 11px 0 9px;color:var(--gl-ok-ink);border-radius:8px;background:var(--gl-ok-soft);font-size:13px;font-weight:500}.gl-tag svg{width:15px;height:15px;color:var(--gl-ok)}.gl-verdict{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;opacity:0;transform:translateY(3px);transition:opacity .2s,transform .2s}.gl-verdict svg{width:16px;height:16px}.gl-verdict.is-right{color:var(--gl-ok-ink);opacity:1;transform:none}.gl-verdict.is-wrong{color:var(--gl-bad);opacity:1;transform:none}.gl-quiz-q{margin-top:10px;font-size:15px;font-weight:500}.gl-quiz-eq{margin:4px 0 10px;font-size:25px;line-height:1.3;text-align:center}.gl-quiz-eq sup{font-size:.6em;line-height:0;vertical-align:.7em;margin-left:.03em}.gl-options{display:grid;gap:8px}.gl-option{position:relative;display:flex;align-items:center;gap:14px;min-height:46px;padding:0 14px;border:1px solid var(--gl-line-strong);border-radius:12px;background:var(--gl-surface);font-size:14px;font-weight:400;cursor:pointer;transition:border-color .2s,background-color .2s,box-shadow .2s}.gl-option:hover{border-color:var(--gl-ink-4)}.gl-option input{position:absolute;opacity:0;pointer-events:none}.gl-option:has(input:focus-visible){outline:3px solid color-mix(in oklab,var(--gl-primary) 55%,transparent);outline-offset:2px}.gl-option:has(input:disabled){cursor:default}.gl-option .gl-math{font-size:16px}.gl-radio{width:20px;height:20px;flex:none;border:2px solid var(--gl-ink-4);border-radius:50%;transition:border-color .2s,box-shadow .2s,background-color .2s}.gl-option.is-picked{border-color:var(--gl-primary-line);background:var(--gl-primary-wash)}.gl-option.is-picked .gl-radio{border-color:var(--gl-primary);background:var(--gl-primary);box-shadow:inset 0 0 0 4px var(--gl-surface)}.gl-option.is-right{border-color:var(--gl-ok);background:var(--gl-ok-soft)}.gl-option.is-right .gl-radio{border-color:var(--gl-ok);background:var(--gl-ok)}.gl-option.is-wrong{border-color:var(--gl-bad);background:var(--gl-bad-soft);animation:gl-shake .38s}.gl-option.is-wrong .gl-radio{border-color:var(--gl-bad);background:var(--gl-bad)}.gl-quiz-actions{display:flex;align-items:center;gap:12px;margin-top:12px}.gl-quiz-actions .gl-btn-sm{--h: 40px;padding:0 28px;font-size:15px}.gl-quiz-actions>.gl-btn{min-width:132px}.gl-hint-anchor{position:relative;margin-left:auto}.gl-hint-pop{position:absolute;right:0;bottom:calc(100% + 12px);z-index:3;width:250px;padding:12px 14px;color:var(--gl-surface);border-radius:14px;background:var(--gl-ink);box-shadow:var(--gl-shadow-md);font-size:13.5px;line-height:1.4;transform-origin:bottom right;animation:gl-pop .2s cubic-bezier(.2,.8,.2,1)}.gl-hint-anchor:has(.gl-hint-pop):after{content:"";position:absolute;left:calc(50% - 6px);bottom:calc(100% + 7px);z-index:3;width:12px;height:12px;border-radius:2px;background:var(--gl-ink);transform:rotate(45deg)}.gl-section{padding:clamp(80px,9vw,132px) 0}.gl-section-tight{padding-top:0}.gl-oat{background:var(--gl-oat)}.gl-split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,8.4fr);align-items:center;gap:clamp(40px,6vw,96px)}.gl-split-copy .gl-lead{margin-top:26px}.gl-illus{display:block;width:100%;height:100%;overflow:visible}.gl-graph-section{padding-top:clamp(24px,4vh,56px)}.gl-graph-split{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:start;gap:clamp(40px,4.5vw,64px)}.gl-graph-split .gl-h2-md{font-size:clamp(34px,3.25vw,50px)}.gl-features{display:grid;gap:24px;margin-top:36px}.gl-features li{display:grid;grid-template-columns:52px minmax(0,1fr);align-items:center;gap:22px}.gl-features strong{display:block;font-size:18px;line-height:1.35}.gl-features li>span:last-child>span{display:block;margin-top:2px;color:var(--gl-ink-3);font-size:15px}.gl-callout{display:flex;align-items:center;gap:18px;margin-top:40px;padding:22px 28px;color:var(--gl-ink-2);border-radius:18px;background:var(--gl-primary-wash);font-size:15.5px;line-height:1.5}.gl-callout svg{width:28px;height:28px;color:var(--gl-primary)}.gl-live{--km-line: #dbe6f5;--km-muted: #6078a7;--km-navy: #0b2c68;--km-blue: var(--gl-primary);--km-glass: rgba(255, 255, 255, .86);--km-shadow: 0 10px 28px rgba(31, 82, 143, .09);position:relative;display:flex;flex-direction:column;aspect-ratio:6 / 5;max-height:660px;overflow:hidden;color:var(--km-navy);border:1px solid var(--gl-line);border-radius:28px;background:#f5f7fb;box-shadow:var(--gl-shadow-lg)}.gl-live-map{position:relative;flex:1;min-height:0;display:flex;flex-direction:column}.gl-live:not(.is-full) .km-graph-canvas .km-zoom{right:14px;top:50%}.gl-live .km-edge.active{filter:drop-shadow(0 0 5px var(--gl-primary-glow))}.gl-live .km-continue button{background:var(--gl-primary);box-shadow:0 15px 34px -8px var(--gl-primary-glow)}.gl-live .km-sheet{bottom:env(safe-area-inset-bottom)}.gl-live-btn{display:grid;place-items:center;width:42px;height:42px;color:#4d5870;border:1px solid #e2e7f0;border-radius:14px;background:#fffffff5;box-shadow:0 10px 25px #2e3a5724;transition:color .2s,transform .2s}.gl-live-btn:hover{color:var(--gl-primary);transform:scale(1.05)}.gl-live-btn svg{width:20px;height:20px}.gl-live-open{position:absolute;top:14px;right:14px;z-index:9}.gl-live-tap{position:absolute;inset:0;z-index:8;border:0;background:transparent;cursor:zoom-in}.gl-live:has(.gl-live-tap) .km-zoom{display:none}.gl-live-hint{position:absolute;left:50%;bottom:16px;z-index:9;padding:8px 14px;color:#fff;border-radius:999px;background:#000000b8;font-size:13px;white-space:nowrap;opacity:0;transform:translate(-50%,6px);transition:opacity .2s,transform .2s;pointer-events:none}.gl-live-hint.is-shown{opacity:1;transform:translate(-50%)}.gl-live.is-full{position:fixed;inset:0;z-index:200;height:auto;max-height:none;aspect-ratio:auto;border:0;border-radius:0;box-shadow:none}.gl-live-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;height:60px;padding:0 10px 0 22px;color:var(--km-muted);border-bottom:1px solid var(--km-line);background:#fff;font-size:14.5px}.gl-live-bar b{margin-right:8px;color:var(--km-navy);font-size:16px;font-weight:600}.gl-live-bar .gl-live-btn{box-shadow:none}.gl-live-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gl-live-controls{display:flex;flex:none;align-items:center;gap:8px}.gl-live-bar .km-pill select{max-width:280px}@media(max-width:760px){.gl-live-bar{padding-left:16px}}html.gl-lock{overflow:hidden}.gl-ghost{flex:1;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,rgba(117,144,255,.1),transparent 30%),linear-gradient(180deg,#f5f7fb,#eef2f8)}.gl-ghost svg{width:min(72%,420px);aspect-ratio:1}.gl-ghost path{fill:none;stroke:#d3dae6;stroke-width:.5}.gl-ghost circle{fill:#fff;stroke:#dbe2ed;stroke-width:1.1;animation:gl-ghost 1.8s ease-in-out infinite}@keyframes gl-ghost{50%{opacity:.45}}.gl-plan-panel{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:center;gap:clamp(32px,5vw,76px);padding:clamp(18px,2.4vw,32px) clamp(24px,5vw,76px) clamp(18px,2.4vw,32px) clamp(18px,2.4vw,32px);border-radius:34px;background:var(--gl-oat)}.gl-plan-card{padding:30px 32px 34px;border:1px solid var(--gl-line);border-radius:24px;background:var(--gl-surface);box-shadow:var(--gl-shadow-sm)}.gl-plan-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.gl-plan-head h3{font-size:19px;font-weight:600;letter-spacing:-.01em}.gl-plan-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:30px}.gl-plan-steps li{position:relative;display:flex;flex-direction:column;gap:6px}.gl-plan-icon{display:grid;place-items:center;width:56px;height:56px;margin:0 0 12px 18px;color:var(--gl-ink);border-radius:50%;background:var(--gl-chip);transition:background-color .3s,color .3s}.gl-plan-icon svg{width:24px;height:24px}.gl-plan-steps li:not(:last-child):after{content:"";position:absolute;top:27px;left:86px;right:-26px;border-top:2px dashed var(--gl-line-strong)}.gl-plan-steps li.is-done:after{border-top-style:solid;border-color:var(--gl-primary)}.gl-plan-steps li.is-done .gl-plan-icon,.gl-plan-steps li.is-current .gl-plan-icon{color:var(--gl-primary);background:var(--gl-primary-soft)}.gl-plan-steps strong{font-size:16px;line-height:1.3}.gl-plan-steps li>span:last-child{color:var(--gl-ink-3);font-size:13.5px;line-height:1.45}.gl-plan-copy .gl-lead{margin-top:22px;font-size:clamp(17px,1.35vw,19px)}.gl-plan-copy .gl-btn{margin-top:34px}.gl-plan-copy .gl-btn svg{transition:transform .2s}.gl-plan-copy .gl-btn:hover svg{transform:translate(3px)}.gl-goals{grid-template-columns:minmax(0,4fr) minmax(0,9fr)}.gl-goal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.gl-goal{display:grid;grid-template-columns:72px minmax(0,1fr) 46px;align-items:start;gap:20px;padding:24px 24px 28px;border:1px solid var(--gl-line);border-radius:22px;background:var(--gl-surface);transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s}button.gl-goal{width:100%;text-align:left}.gl-goal-text strong{display:block;padding-top:8px;font-size:18px;line-height:1.32;letter-spacing:-.01em}.gl-goal-text>span{display:block;margin-top:12px;color:var(--gl-ink-3);font-size:15px;line-height:1.5}.gl-goal:hover{transform:translateY(-3px);border-color:var(--gl-primary-line);box-shadow:var(--gl-shadow-md)}.gl-goal:hover .gl-tile{color:var(--gl-primary);background:var(--gl-primary-soft)}.gl-goal:hover .gl-arrow-circle,.gl-level-card:hover .gl-arrow-circle{color:var(--gl-on-primary);border-color:transparent;background:var(--gl-primary);transform:translate(2px)}.gl-goal .gl-tile{transition:background-color .25s,color .25s}.gl-levels-head{display:flex;align-items:flex-start;justify-content:space-between;gap:40px}.gl-levels-head .gl-lead{max-width:640px;margin-top:22px}.gl-levels-hand{position:relative;flex:none;margin:16px 70px 0 0}.gl-levels-hand .gl-hand-arrow{left:-70px;top:44px;transform:rotate(8deg)}.gl-level-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:52px}.gl-level-card{display:grid;grid-template-columns:96px minmax(0,1fr) 48px;align-items:center;gap:28px;padding:22px 30px 22px 22px;border:1px solid var(--gl-line);border-radius:24px;background:var(--gl-surface);transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s}.gl-level-card:hover{transform:translateY(-3px);border-color:color-mix(in oklab,var(--tone) 35%,var(--gl-surface));box-shadow:var(--gl-shadow-md)}.gl-level-card:hover .gl-arrow-circle{background:var(--tone)}.gl-level-tile{display:grid;place-items:center;width:96px;height:96px;color:var(--tone);border-radius:22px;background:color-mix(in oklab,var(--tone) 10%,var(--gl-surface))}.gl-level-tile svg{width:44px;height:44px}.gl-level-text strong{display:block;font-family:var(--gl-font-display);font-size:27px;font-weight:600;line-height:1.12;letter-spacing:-.025em}.gl-level-text>span{display:block;margin-top:8px;color:var(--gl-ink-3);font-size:16px;line-height:1.5}.gl-level-chevron{display:none;width:22px;height:22px;color:var(--gl-ink-3)}.gl-duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:24px}.gl-duo-card{position:relative;overflow:hidden;padding:40px 36px 36px;border-radius:30px}.gl-duo-card>p{max-width:470px;margin-top:14px;color:var(--gl-ink-2);font-size:16.5px;line-height:1.5}.gl-upgrade{background:var(--gl-oat-deep)}.gl-check{background:var(--gl-primary-wash);border:1px solid color-mix(in oklab,var(--gl-primary) 9%,transparent);scroll-margin-top:110px}.gl-ladder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:start;gap:10px;margin-top:40px;padding-top:44px}.gl-ladder li{position:relative;margin-top:calc((3 - var(--i)) * 16px)}.gl-ladder-dot{position:absolute;top:-34px;left:26px;width:16px;height:16px;border:3px solid var(--tone);border-radius:50%;background:var(--gl-surface)}.gl-ladder-route{position:absolute;top:-50px;left:44px;width:calc(100% - 8px);height:30px;overflow:visible}.gl-ladder-route path{fill:none;stroke:var(--gl-ink-4);stroke-width:1.6;stroke-dasharray:3 5;stroke-linecap:round}.gl-ladder-end{width:60px}.gl-ladder-end path{stroke-dasharray:none}.gl-ladder-card{display:flex;flex-direction:column;gap:4px;min-height:150px;padding:15px 13px 17px;border:1.5px solid color-mix(in oklab,var(--tone) 22%,var(--gl-surface));border-radius:18px;background:color-mix(in oklab,var(--tone) 6%,var(--gl-surface));box-shadow:0 10px 22px -16px color-mix(in oklab,var(--tone) 60%,transparent)}.gl-ladder-icon{color:var(--tone)}.gl-ladder-icon svg{width:28px;height:28px}.gl-ladder-card strong{margin-top:8px;font-size:14px;font-weight:600;letter-spacing:-.01em}.gl-ladder-card>span:last-child{color:var(--gl-ink-3);font-size:12.5px;line-height:1.4}.gl-check-demo{display:grid;grid-template-columns:minmax(0,1fr) 48px minmax(0,1.15fr);align-items:center;gap:6px;margin-top:30px}.gl-upload{padding:12px;border-radius:20px;background:var(--gl-surface);box-shadow:var(--gl-shadow-sm)}.gl-upload-drop{display:flex;flex-direction:column;align-items:center;gap:4px;padding:22px 16px 16px;border:1.5px dashed var(--gl-line-strong);border-radius:14px;text-align:center}.gl-upload-icon{display:grid;place-items:center;width:52px;height:52px;margin-bottom:8px;color:var(--gl-primary);border-radius:14px;background:var(--gl-primary-soft)}.gl-upload-icon svg{width:28px;height:28px}.gl-upload-drop strong{font-size:15px}.gl-upload-drop>span{color:var(--gl-ink-3);font-size:12.5px;line-height:1.4}.gl-upload-drop .gl-btn{--h: 42px;margin-top:14px;font-size:15px}.gl-upload-drop small{display:inline-flex;align-items:center;gap:6px;margin-top:12px;color:var(--gl-ink-3);font-size:11.5px}.gl-upload-drop small svg{width:14px;height:14px}.gl-check-arrow{width:100%;color:var(--gl-ink-2)}.gl-check-arrow path{stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.gl-review{padding:18px 16px 16px;border-radius:20px;background:var(--gl-surface);box-shadow:var(--gl-shadow-sm)}.gl-review-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.gl-review-head strong{font-size:15px;font-weight:600}.gl-done-badge{display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 10px 0 8px;color:var(--gl-ok-ink);border-radius:999px;background:var(--gl-ok-soft);font-size:12px;font-weight:600}.gl-done-badge svg{width:14px;height:14px}.gl-review ol{display:grid;gap:8px;margin-top:14px}.gl-review li{display:grid;grid-template-columns:12px 28px minmax(0,1fr);align-items:start;gap:10px;padding:10px 12px 10px 10px;border:1px solid var(--gl-line);border-radius:12px}.gl-review li small{color:var(--gl-ink-3);font-size:12px;line-height:28px;text-align:center}.gl-review-icon{display:grid;place-items:center;width:28px;height:28px;color:#fff;border-radius:50%}.gl-review-icon svg{width:16px;height:16px;stroke-width:2.4}.gl-review .is-ok .gl-review-icon{background:var(--gl-ok);box-shadow:0 0 0 4px var(--gl-ok-soft)}.gl-review .is-bad .gl-review-icon{background:var(--gl-bad);box-shadow:0 0 0 4px var(--gl-bad-soft)}.gl-review .is-tip .gl-review-icon{background:var(--gl-primary);box-shadow:0 0 0 4px var(--gl-primary-soft)}.gl-review li>span:last-child{color:var(--gl-ink-3);font-size:12px;line-height:1.4}.gl-review li b{display:block;margin-bottom:2px;color:var(--gl-ink);font-size:13.5px;font-weight:600}.gl-audience{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);align-items:center;gap:clamp(40px,6vw,96px)}.gl-audience-students{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);margin-top:clamp(72px,8vw,120px);padding-top:clamp(72px,8vw,120px);border-top:1px solid var(--gl-line)}.gl-audience-copy .gl-h2{margin-top:12px}.gl-audience-copy .gl-lead{margin-top:22px}.gl-audience-copy>.gl-btn{margin-top:38px}.gl-audience-copy>.gl-btn svg{width:20px;height:20px}.gl-checks{display:grid;gap:16px;margin-top:34px}.gl-checks li{display:flex;align-items:center;gap:18px;font-size:19px;line-height:1.35}.gl-checks svg{width:36px;height:36px;padding:8px;color:var(--gl-primary);border-radius:50%;background:var(--gl-primary-soft);stroke-width:2.6}.gl-app-topbar{display:block}.gl-topbar{display:flex;align-items:center;gap:30px;height:58px;padding:0 22px;border-bottom:1px solid var(--gl-line)}.gl-topbar .gl-app-brand{padding:0}.gl-topbar-tabs{display:flex;gap:22px;color:var(--gl-ink-3);font-size:12.5px}.gl-topbar-tabs li{position:relative;white-space:nowrap}.gl-topbar-tabs .is-active{color:var(--gl-ink);font-weight:500}.gl-topbar-tabs .is-active:after{content:"";position:absolute;left:0;right:0;bottom:-20px;height:2px;border-radius:2px;background:var(--gl-primary)}.gl-topbar-user{display:flex;align-items:center;gap:8px;margin-left:auto;color:var(--gl-ink-2);font-size:12.5px;white-space:nowrap}.gl-topbar-user svg{width:14px;height:14px}.gl-avatar{display:grid;place-items:center;width:30px;height:30px;color:#fff;border-radius:50%;background:linear-gradient(135deg,#f4a261,#d1495b);font-size:12px;font-weight:600}.gl-app-body{display:grid;grid-template-columns:minmax(118px,26%) minmax(0,1fr)}.gl-side-plain{padding-top:16px}.gl-side-plain .gl-app-brand{display:none}.gl-side-plain ul{margin-top:0}.gl-parent-main{padding:20px 22px 22px}.gl-parent-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.gl-parent-child{display:flex;align-items:center;gap:6px;font-size:20px;font-weight:600;letter-spacing:-.015em}.gl-parent-child svg{width:16px;height:16px}.gl-parent-head small{color:var(--gl-ink-3);font-size:12px}.gl-select{display:inline-flex;align-items:center;gap:10px;height:32px;padding:0 12px;color:var(--gl-ink-2);border:1px solid var(--gl-line);border-radius:10px;font-size:12px;white-space:nowrap}.gl-select svg{width:13px;height:13px}.gl-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}.gl-stat{display:grid;grid-template-columns:32px minmax(0,1fr);grid-template-areas:"icon label" "value value" "sub sub";align-items:center;column-gap:10px;padding:13px 14px 14px;border:1px solid var(--gl-line);border-radius:14px}.gl-stat>.gl-stat-icon{grid-area:icon}.gl-stat>small{grid-area:label}.gl-stat>b{grid-area:value}.gl-stat>em{grid-area:sub}.gl-stat-icon{display:grid;place-items:center;width:32px;height:32px;flex:none;border-radius:10px}.gl-stat-icon svg{width:18px;height:18px}.gl-stat-icon.is-ok{color:var(--gl-ok);background:var(--gl-ok-soft)}.gl-stat-icon.is-primary{color:var(--gl-primary);background:var(--gl-primary-soft)}.gl-stat-icon.is-warn{color:var(--gl-warn);background:var(--gl-warn-soft)}.gl-stat small{display:block;color:var(--gl-ink-3);font-size:11px;line-height:1.2}.gl-stat b{display:block;margin-top:10px;font-size:26px;font-weight:600;letter-spacing:-.03em;line-height:1.05}.gl-stat em{display:block;margin-top:4px;color:var(--gl-ink-3);font-size:11px;font-style:normal;white-space:nowrap}.gl-stat em.is-up{color:var(--gl-ok-ink)}.gl-advice{display:grid;grid-template-columns:34px minmax(0,1fr) 32px;align-items:start;gap:14px;margin-top:12px;padding:16px;border:1px solid var(--gl-line);border-radius:14px}.gl-advice strong{display:block;padding-top:6px;font-size:13.5px;font-weight:600}.gl-advice ol{display:grid;gap:8px;margin-top:12px;counter-reset:gl-advice}.gl-advice li{display:flex;align-items:center;gap:10px;color:var(--gl-ink-2);font-size:12.5px;line-height:1.35;counter-increment:gl-advice}.gl-advice li:before{content:counter(gl-advice);display:grid;place-items:center;width:20px;height:20px;flex:none;border-radius:50%;background:var(--gl-chip);color:var(--gl-ink);font-size:11px;font-weight:600}.gl-student-main{display:grid;grid-template-rows:auto 1fr auto}.gl-student-top{display:flex;align-items:center;gap:16px;height:56px;padding:0 20px;border-bottom:1px solid var(--gl-line);font-size:13px;font-weight:500;white-space:nowrap}.gl-student-top .gl-progress{flex:1;max-width:180px}.gl-student-top .gl-progress i{background:var(--gl-primary)}.gl-student-top small{color:var(--gl-ink-3);font-size:12px}.gl-student-top svg{width:18px;height:18px;margin-left:auto;color:var(--gl-ink-3)}.gl-student-body{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:16px;padding:18px 20px}.gl-student-task .gl-quiz-q{margin-top:0;font-size:13.5px}.gl-student-eq{display:flex;align-items:center;gap:10px;margin:10px 0 12px 22px;font-size:22px}.gl-frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;font-size:.78em;line-height:1.1}.gl-frac>span:first-child{padding:0 .2em .06em;border-bottom:1.5px solid currentColor}.gl-frac>span:last-child{padding-top:.06em}.gl-options-abc{gap:8px}.gl-options-abc .gl-option{min-height:40px;gap:12px;padding:0 12px;font-size:14px}.gl-abc{display:grid;place-items:center;width:24px;height:24px;flex:none;color:var(--gl-ink-2);border:1.5px solid var(--gl-line-strong);border-radius:50%;font-size:11.5px;font-weight:600;transition:background-color .2s,color .2s,border-color .2s}.gl-option.is-picked .gl-abc{color:var(--gl-on-primary);border-color:var(--gl-primary);background:var(--gl-primary)}.gl-option.is-right .gl-abc{border-color:var(--gl-ok);background:var(--gl-ok)}.gl-option.is-wrong .gl-abc{color:#fff;border-color:var(--gl-bad);background:var(--gl-bad)}.gl-student-help{padding:12px;border:1px solid var(--gl-line);border-radius:14px}.gl-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--gl-line)}.gl-tabs button{height:34px;margin-bottom:-1px;color:var(--gl-ink-3);border:0;border-bottom:2px solid transparent;background:transparent;font-size:12.5px;transition:color .2s,border-color .2s}.gl-tabs button[aria-selected=true]{color:var(--gl-primary-ink);border-bottom-color:var(--gl-primary);font-weight:500}.gl-help-card{margin-top:12px;padding:14px;border-radius:12px;background:var(--gl-surface-2)}.gl-help-icon{display:grid;place-items:center;width:32px;height:32px;color:#c9a100;border-radius:10px;background:color-mix(in oklab,#f7c325 20%,var(--gl-surface))}.gl-help-icon svg{width:18px;height:18px}.gl-help-card p{margin-top:10px;color:var(--gl-ink-2);font-size:13px;line-height:1.5}.gl-help-solution{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;font-size:17px!important;color:var(--gl-ink)!important}.gl-student-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px 16px;border-top:1px solid var(--gl-line)}.gl-student-foot .gl-btn-primary,.gl-student-foot .gl-btn-ok{min-width:150px}.gl-center-head{max-width:720px;margin:0 auto;text-align:center}.gl-center-head .gl-lead{margin-top:20px}.gl-price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:56px}.gl-price{position:relative;display:flex;flex-direction:column;gap:12px;padding:34px 32px 36px;border:1px solid var(--gl-line);border-radius:26px;background:var(--gl-surface)}.gl-price h3{font-size:20px;font-weight:500}.gl-price-value{font-family:var(--gl-font-display);font-size:46px;font-weight:600;letter-spacing:-.035em;line-height:1.1}.gl-price-value small{margin-left:8px;color:var(--gl-ink-3);font-family:var(--gl-font-text);font-size:16px;font-weight:400;letter-spacing:0}.gl-price p{color:var(--gl-ink-3);font-size:16px;line-height:1.5}.gl-price.is-featured{border:2px solid var(--gl-primary);box-shadow:0 26px 60px -30px var(--gl-primary-glow)}.gl-badge{position:absolute;top:-15px;left:30px;display:inline-flex;align-items:center;height:30px;padding:0 14px;color:var(--gl-on-primary);border-radius:999px;background:var(--gl-primary);font-size:13px;font-weight:600}.gl-cta{padding:clamp(72px,8vw,112px) 0}.gl-cta-band{position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;align-items:center;gap:26px;padding:clamp(44px,5vw,64px) 24px;border:1px solid color-mix(in oklab,var(--gl-primary) 12%,transparent);border-radius:34px;background:linear-gradient(180deg,var(--gl-primary-wash),var(--gl-primary-soft));text-align:center}.gl-cta-band:before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(color-mix(in oklab,var(--gl-primary) 8%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in oklab,var(--gl-primary) 8%,transparent) 1px,transparent 1px);background-size:32px 32px;-webkit-mask-image:radial-gradient(ellipse at center,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse at center,#000 10%,transparent 70%)}.gl-footer{padding:64px 0 30px;border-top:1px solid var(--gl-line);background:var(--gl-oat)}.gl-footer-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr);gap:40px}.gl-footer-note{margin-top:18px;color:var(--gl-ink-2);font-family:var(--gl-font-hand);font-size:25px;line-height:1.2}.gl-footer-nav,.gl-footer-contact{display:grid;align-content:start;gap:12px}.gl-footer-nav a,.gl-footer-contact a{color:var(--gl-ink-2);font-size:15.5px;transition:color .2s}.gl-footer-nav a:hover,.gl-footer-contact a:hover,.gl-footer-legal a:hover{color:var(--gl-ink)}.gl-footer-contact a{display:inline-flex;align-items:center;gap:10px}.gl-footer-contact svg{width:19px;height:19px;color:var(--gl-ink-3)}.gl-footer-legal{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;margin-top:52px;padding-top:24px;border-top:1px solid var(--gl-line);color:var(--gl-ink-3);font-size:14px}.gl-footer-legal small{font-size:inherit}.gl-footer-legal span{display:flex;gap:24px}.gl.gl-animate [data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}.gl.gl-animate [data-reveal].is-in{opacity:1;transform:none}@keyframes gl-pop{0%{opacity:0;transform:translateY(-4px) scale(.97)}to{opacity:1;transform:none}}@keyframes gl-shake{0%,to{transform:none}25%{transform:translate(-5px)}50%{transform:translate(4px)}75%{transform:translate(-2px)}}@media(prefers-reduced-motion:reduce){.gl,.gl *{transition:none!important;animation:none!important}}@media(max-width:1240px){.gl-pencil{display:none}}@media(max-width:1180px){.gl{--gl-gutter: 32px}.gl-level-tab{padding:0 14px}}@media(max-width:1040px){.gl-hero-grid,.gl-split,.gl-graph-split,.gl-plan-panel,.gl-audience,.gl-audience-students{grid-template-columns:minmax(0,1fr)}.gl-hero-visual{order:-1;width:min(640px,100%);margin-inline:auto}.gl-hero-copy{width:min(720px,100%)}.gl-hero{padding-top:calc(var(--gl-header-h) + var(--gl-header-top) + 40px)}.gl-hero:before{height:calc(var(--gl-header-h) + var(--gl-header-top) + 30px)}.gl-hand,.gl-hero-note,.gl-pencil{display:none}.gl-video-placeholder{aspect-ratio:304 / 220}.gl-graph-visual,.gl-audience-visual{width:min(720px,100%)}.gl-plan-panel{padding:24px}.gl-plan-copy{padding:0 8px 12px}.gl-audience-students .gl-audience-visual{order:2}.gl-duo{grid-template-columns:minmax(0,1fr)}.gl-goal-grid{gap:16px}.gl-footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.gl-footer-brand{grid-column:1 / -1}}@media(max-width:880px){.gl-level-switch:not(.gl-menu-levels){display:none}.gl-header.is-past .gl-header-login{max-width:0;margin-left:-8px;padding-inline:0;border-width:0;opacity:0;visibility:hidden;pointer-events:none;transition-delay:0s,0s,0s,0s,0s,.4s}.gl-header.is-member .gl-header-start{display:none}.gl-burger{display:grid}.gl-header-bar{justify-content:space-between}.gl-level-grid{grid-template-columns:minmax(0,1fr)}.gl-price-grid{grid-template-columns:minmax(0,1fr);max-width:460px;margin-inline:auto;gap:26px}}@media(max-width:640px){.gl{--gl-gutter: 18px;--gl-header-h: 54px;--gl-header-top: 10px;--gl-anchor-gap: 78px}.gl-header-bar{gap:8px;padding:0 6px 0 16px}.gl-logo{gap:10px;font-size:22px}.gl-logo-mark{width:25px;height:25px}.gl-header-actions .gl-btn-sm{--h: 40px;padding:0 20px;font-size:15px}.gl-burger{width:40px;height:40px}.gl-menu{border-radius:24px}.gl-display{font-size:clamp(31px,8.9vw,46px);line-height:1.05}.gl-h2{font-size:clamp(34px,9.4vw,44px);line-height:1.05}.gl-h2-md{font-size:clamp(31px,8.4vw,40px)}.gl-h2-sm{font-size:28px}.gl-h3-display{font-size:27px}.gl-lead{font-size:18px}.gl-hero{padding-top:calc(var(--gl-header-h) + var(--gl-header-top) + 16px);padding-bottom:10px}.gl-hero:before{height:60vh;height:60svh}.gl-hero-grid{gap:18px}.gl-hero-lead{margin-top:12px;font-size:16px;line-height:1.42}.gl-hero-lead br{display:none}.gl-hero-actions{flex-direction:column;gap:10px;margin-top:16px}.gl-hero-actions .gl-btn{width:100%}.gl-btn-lg{--h: 56px;font-size:19px}.gl-chips{gap:6px 8px;margin-top:12px}.gl-chips li{gap:8px;height:38px;padding:0 14px 0 12px;font-size:14px}.gl-chips svg{width:19px;height:19px}.gl-chips .gl-chip-wide,.gl-chip-wide-text{display:none}.gl-chip-phone-text{display:inline}.gl-video-placeholder{gap:10px;border-radius:22px;font-size:15px}.gl-video-play{width:52px;height:52px}.gl-video-play svg{width:22px;height:22px}.gl-frame{padding:9px;border-radius:24px}.gl-frame-dots{padding-top:24px}.gl-frame-buttons{top:9px;left:16px}.gl-app,.gl-hero-frame .gl-app,.gl-app-body{grid-template-columns:48px minmax(0,1fr);border-radius:16px}.gl-app-body{border-radius:0}.gl-app-side{padding:14px 5px}.gl-app-side .gl-app-brand{justify-content:center;gap:0;padding:0;font-size:0}.gl-app-mark{width:18px;height:18px}.gl-app-side ul{margin-top:16px;gap:4px}.gl-app-side li{justify-content:center;height:36px;padding:0;border-radius:10px}.gl-app-side li span{display:none}.gl-app-side li svg{width:18px;height:18px}.gl-quiz-main{padding:14px 10px 10px}.gl-quiz-top{align-items:center;gap:10px;padding:0 2px}.gl-quiz-topic small{display:none}.gl-quiz-topic strong{margin:0;font-size:12.5px}.gl-quiz-count{display:flex;align-items:center;flex-direction:row-reverse;gap:8px;width:auto;flex:1;max-width:120px;padding:0}.gl-quiz-count small{margin:0;white-space:nowrap;font-size:11px}.gl-quiz-count .gl-progress{flex:1}.gl-quiz{margin-top:12px;padding:12px;border-radius:12px}.gl-tag{height:25px;font-size:11.5px}.gl-quiz-q{font-size:13px}.gl-quiz-eq{margin:4px 0 8px;font-size:21px}.gl-options{gap:6px}.gl-option{min-height:38px;gap:10px;padding:0 10px;font-size:12.5px;border-radius:10px}.gl-option .gl-math{font-size:14px}.gl-radio{width:17px;height:17px}.gl-quiz-actions{gap:8px;margin-top:10px}.gl-quiz-actions .gl-btn-sm{--h: 38px;padding:0 16px;font-size:13px}.gl-quiz-actions>.gl-btn{min-width:0;flex:1.3}.gl-hint-anchor{flex:1}.gl-hint-anchor .gl-btn{width:100%}.gl-hint-pop{width:min(240px,70vw);font-size:12.5px}.gl-section{padding:64px 0}.gl-graph-section{padding-top:26px}.gl-split{gap:30px}.gl-split-copy .gl-lead{margin-top:16px}.gl-features{gap:18px;margin-top:26px}.gl-features li{grid-template-columns:48px minmax(0,1fr);gap:16px}.gl-tile{width:48px;height:48px;border-radius:13px}.gl-features strong{font-size:16.5px}.gl-features li>span:last-child>span{font-size:14px}.gl-callout{margin-top:28px;padding:18px 20px;font-size:14.5px;gap:14px}.gl-live{height:440px;aspect-ratio:auto;border-radius:24px}.gl-live-open{top:12px;right:12px}.gl-plan-panel{gap:26px;padding:12px;border-radius:26px}.gl-plan-card{padding:20px 14px 22px;border-radius:20px}.gl-plan-head{padding:0 4px}.gl-plan-head h3{font-size:17px}.gl-plan-head .gl-text-link{font-size:13px}.gl-plan-steps{grid-template-columns:minmax(0,1fr);gap:0;margin-top:20px;padding:0 4px}.gl-plan-steps li{display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:14px;row-gap:2px;padding-bottom:18px}.gl-plan-steps li:last-child{padding-bottom:0}.gl-plan-icon{grid-row:1 / span 2;width:44px;height:44px;margin:0}.gl-plan-icon svg{width:20px;height:20px}.gl-plan-steps li:not(:last-child):after{inset:50px auto 6px 21px;border-top:0;border-left:2px dashed var(--gl-line-strong)}.gl-plan-steps li.is-done:after{border-left-style:solid;border-left-color:var(--gl-primary)}.gl-plan-steps strong{align-self:end;font-size:15px}.gl-plan-steps li>span:last-child{font-size:13px}.gl-plan-copy{padding:0 8px 10px}.gl-plan-copy .gl-btn{width:100%;margin-top:24px}.gl-goal-grid{grid-template-columns:minmax(0,1fr);gap:10px}.gl-goal{grid-template-columns:52px minmax(0,1fr) 40px;align-items:center;gap:16px;padding:12px 12px 12px 14px;border-radius:18px}.gl-goal .gl-tile-lg{width:52px;height:52px;border-radius:14px;color:var(--gl-primary);background:var(--gl-primary-wash)}.gl-goal:nth-child(2n) .gl-tile-lg{color:var(--gl-ok);background:color-mix(in oklab,var(--gl-ok) 8%,var(--gl-surface))}.gl-goal .gl-tile-lg svg{width:26px;height:26px}.gl-goal-text strong{padding:0;font-size:16.5px}.gl-goal-text br{display:none}.gl-goal-text>span{display:none}.gl-arrow-circle{width:40px;height:40px}.gl-levels-head{position:relative;display:block}.gl-levels-head{padding-top:34px}.gl-levels-head .gl-lead{margin-top:16px}.gl-hand.gl-levels-hand{display:block;position:absolute;top:-22px;right:6px;margin:0;font-size:21px}.gl-levels-hand .gl-hand-arrow{left:-38px;top:22px;width:34px;height:32px}.gl-level-grid{gap:12px;margin-top:30px}.gl-level-card{grid-template-columns:64px minmax(0,1fr) 22px;gap:18px;padding:16px 16px 16px 14px;border-radius:20px}.gl-level-tile{width:64px;height:64px;border-radius:16px}.gl-level-tile svg{width:30px;height:30px}.gl-level-text strong{font-family:var(--gl-font-text);font-size:18px;font-weight:500;letter-spacing:-.01em}.gl-level-text>span{margin-top:4px;font-size:14.5px;line-height:1.45}.gl-level-card .gl-arrow-circle{display:none}.gl-level-chevron{display:block}.gl-duo{gap:16px;margin-top:16px}.gl-duo-card{padding:28px 20px 22px;border-radius:26px}.gl-duo-card>p{font-size:15px}.gl-ladder{display:flex;justify-content:space-between;gap:0;margin-top:22px;padding-top:0}.gl-ladder li{flex:1;margin:0}.gl-ladder li:not(:last-child):after{content:"→";position:absolute;top:15px;right:0;color:var(--gl-ink-3);font-size:18px;line-height:1;transform:translate(50%)}.gl-ladder-dot,.gl-ladder-route{display:none}.gl-ladder-card{align-items:center;min-height:0;padding:0;border:0;background:transparent;box-shadow:none;text-align:center}.gl-ladder-icon{display:grid;place-items:center;width:50px;height:50px;border-radius:50%;background:color-mix(in oklab,var(--tone) 12%,var(--gl-surface))}.gl-ladder-icon svg{width:24px;height:24px}.gl-ladder-card strong{margin-top:8px;font-size:11px;font-weight:400;line-height:1.25;letter-spacing:-.01em}.gl-ladder-card>span:last-child{display:none}.gl-check-demo{grid-template-columns:minmax(0,1fr);gap:12px;margin-top:22px}.gl-check-arrow{display:none}.gl-eyebrow{font-size:16px}.gl-audience{gap:30px}.gl-audience-copy .gl-h2{margin-top:6px}.gl-audience-copy .gl-lead{margin-top:14px}.gl-audience-copy .gl-lead br{display:none}.gl-checks{gap:12px;margin-top:22px}.gl-checks li{gap:14px;font-size:17px}.gl-checks svg{width:32px;height:32px;padding:7px}.gl-audience-copy>.gl-btn{width:100%;margin-top:26px}.gl-audience-students{margin-top:56px;padding-top:56px}.gl-topbar{gap:12px;height:46px;padding:0 12px}.gl-topbar-tabs{display:none}.gl-side-plain{padding-top:10px}.gl-parent-main{padding:12px 10px}.gl-parent-child{font-size:16px}.gl-select{height:26px;padding:0 8px;gap:6px;font-size:10px}.gl-stats{gap:6px;margin-top:12px}.gl-stat{grid-template-columns:24px minmax(0,1fr);grid-template-areas:"icon icon" "label label" "value value" "sub sub";padding:8px;border-radius:10px}.gl-stat>small{margin-top:6px}.gl-stat-icon{width:24px;height:24px;border-radius:8px}.gl-stat-icon svg{width:14px;height:14px}.gl-stat small{font-size:9.5px}.gl-stat b{margin-top:4px;font-size:19px}.gl-stat em{font-size:9.5px}.gl-advice{grid-template-columns:minmax(0,1fr);gap:4px;padding:10px}.gl-advice>.gl-stat-icon,.gl-advice>.gl-arrow-circle{display:none}.gl-advice strong{padding:0;font-size:12px}.gl-advice ol{gap:6px;margin-top:8px}.gl-advice li{gap:8px;font-size:10.5px}.gl-advice li:before{width:16px;height:16px;font-size:9.5px}.gl-student-top{gap:10px;height:44px;padding:0 12px;font-size:11.5px}.gl-student-body{grid-template-columns:minmax(0,1fr);gap:12px;padding:12px}.gl-student-eq{margin-left:4px;font-size:19px}.gl-options-abc .gl-option{min-height:34px;font-size:12.5px}.gl-abc{width:21px;height:21px;font-size:10.5px}.gl-student-help{padding:10px}.gl-help-card{display:flex;gap:10px;align-items:flex-start;padding:10px}.gl-help-card p{margin-top:2px;font-size:12px}.gl-help-solution{font-size:15px!important}.gl-student-foot{padding:10px 12px 12px}.gl-student-foot .gl-btn-primary,.gl-student-foot .gl-btn-ok{min-width:0}.gl-price-grid{margin-top:40px}.gl-price{padding:28px 24px 30px}.gl-cta{padding:56px 0 64px}.gl-cta-band{gap:22px;padding:40px 20px;border-radius:28px}.gl-cta-band .gl-btn{width:100%;max-width:360px}.gl-footer{padding-top:48px}.gl-footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}.gl-footer-legal{flex-direction:column;align-items:flex-start;margin-top:36px}}@media(max-width:380px){.gl-chips li{padding:0 12px 0 10px;font-size:13px}.gl-ladder-card strong{font-size:10px}}.social-signin{display:grid;gap:16px;width:100%;container-type:inline-size}.social-divider{display:flex;align-items:center;gap:14px;color:var(--gl-ink-3, #6b7590);font-size:15px;line-height:1.2}.social-divider:before,.social-divider:after{content:"";flex:1 1 0;height:1px;background:var(--gl-line-strong, #d5dbe6)}.social-divider span{flex:none}.social-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.social-button{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:10px;min-width:0;height:58px;padding:0 14px;color:var(--gl-ink, #0d1b2e);border:1px solid var(--gl-line, rgba(13, 27, 46, .07));border-radius:18px;background:var(--gl-surface, #fff);box-shadow:0 1px 2px #0f1e3c0a,0 10px 24px #0f1e3c12;font:inherit;cursor:pointer;transition:box-shadow .2s,transform .12s,border-color .2s}.social-button:hover{border-color:var(--gl-line-strong, rgba(13, 27, 46, .14));box-shadow:0 1px 2px #0f1e3c0d,0 14px 30px #0f1e3c1a}.social-button:active{transform:translateY(1px) scale(.99)}.social-button:disabled{opacity:.55;cursor:default}.social-logo{display:grid;place-items:center;width:34px;height:34px;color:#fff;border-radius:9px;font-family:Onest,Segoe UI,system-ui,sans-serif;font-size:21px;font-weight:700;line-height:1}.social-logo.yandex{background:#fc3f1d}.social-logo.vk{background:#07f}.social-logo svg{width:24px;height:24px;fill:currentColor}.social-name{overflow:hidden;padding-right:34px;font-size:17px;font-weight:600;text-align:center;text-overflow:ellipsis;white-space:nowrap}@container (max-width: 420px){.social-buttons{gap:8px}.social-button{display:flex;justify-content:center;gap:8px;height:54px;padding:0 8px;border-radius:16px}.social-logo{flex:none;width:30px;height:30px;border-radius:8px;font-size:19px}.social-logo svg{width:21px;height:21px}.social-name{padding-right:0;font-size:16px}}@container (max-width: 300px){.social-button{gap:6px;padding:0 6px}.social-logo{width:28px;height:28px;font-size:18px}.social-logo svg{width:20px;height:20px}.social-name{font-size:15px}}.gl-lang{position:relative;flex:none}.gl-lang-trigger{display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 12px;border:1px solid var(--gl-line-strong);border-radius:999px;background:var(--gl-surface);color:var(--gl-ink);font:inherit;font-size:14px;cursor:pointer}.gl-lang-trigger:hover,.gl-lang-trigger[aria-expanded=true]{border-color:var(--gl-ink-4)}.gl-lang-trigger:focus-visible{outline:2px solid var(--gl-primary);outline-offset:2px}.gl-lang-trigger svg{width:18px;height:18px;fill:none;stroke:var(--gl-primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.gl-lang-trigger b{font-weight:700;letter-spacing:.02em}.gl-lang-trigger .gl-lang-chevron{width:14px;height:14px;stroke:var(--gl-ink-3)}.gl-lang-trigger[aria-expanded=true] .gl-lang-chevron{transform:rotate(180deg)}.gl-lang-list{position:absolute;top:calc(100% + 8px);right:0;z-index:60;min-width:190px;margin:0;padding:6px;list-style:none;border:1px solid var(--gl-line);border-radius:16px;background:var(--gl-surface);box-shadow:var(--gl-shadow-md)}.gl-lang-list button{display:flex;align-items:center;gap:14px;width:100%;padding:9px 12px;border:0;border-radius:10px;background:none;color:var(--gl-ink);font:inherit;font-size:15px;text-align:left;cursor:pointer}.gl-lang-list button b{width:22px;color:var(--gl-primary);font-size:13px;font-weight:700}.gl-lang-list button:hover{background:var(--gl-primary-wash)}.gl-lang-list button.active{background:var(--gl-primary-soft);color:var(--gl-primary-ink)}.gl-lang-choices{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:-6px}.gl-lang-choices button{display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border:1px solid var(--gl-line);border-radius:12px;background:var(--gl-surface);color:var(--gl-ink);font:inherit;font-size:15px;text-align:left;cursor:pointer}.gl-lang-choices button b{width:22px;color:var(--gl-primary);font-size:13px;font-weight:700}.gl-lang-choices button.active{border-color:var(--gl-primary-line);background:var(--gl-primary-soft);color:var(--gl-primary-ink)}.gl-close{display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid var(--gl-line-strong);border-radius:999px;background:var(--gl-surface);color:var(--gl-ink-2);font-size:22px;line-height:1;text-decoration:none}.gl-close:hover{border-color:var(--gl-ink-4);color:var(--gl-ink)}@media(max-width:640px){.gl-lang-trigger{height:40px;padding:0 10px;gap:4px}.gl-lang-trigger .gl-lang-chevron{display:none}.gl-close{width:40px;height:40px}}@media(max-width:420px){.gl-lang-trigger{width:40px;padding:0;justify-content:center}.gl-lang-trigger b{display:none}}html:has(.gl-public),html:has(.gl-public) body,html:has(.gl-public) #root{background:#f6f4f1}.gl-public{position:relative;isolation:isolate;padding-bottom:56px;background:var(--gl-oat)}.gl-public:before{content:"";position:absolute;inset:0 0 auto;z-index:-1;height:70vh;background-image:linear-gradient(var(--gl-grid) 1px,transparent 1px),linear-gradient(90deg,var(--gl-grid) 1px,transparent 1px);background-size:30px 30px;background-position:center -1px;-webkit-mask-image:linear-gradient(#000,rgb(0 0 0 / .55) 50%,transparent);mask-image:linear-gradient(#000,rgb(0 0 0 / .55) 50%,transparent)}.gl-public .gl-header-bar{justify-content:space-between}.gl-public-main{width:min(620px,100% - 2 * var(--gl-gutter));margin:34px auto 0}.gl-form-card{display:grid;gap:22px;padding:34px 34px 30px;border:1px solid var(--gl-line);border-radius:28px;background:var(--gl-surface);box-shadow:var(--gl-shadow-md)}.gl-form-head{display:grid;gap:10px}.gl-form-kicker{color:var(--gl-ink-3);font-size:14px}.gl-form-title{font-family:var(--gl-font-display);font-size:clamp(30px,3.2vw,40px);font-weight:600;line-height:1.06;letter-spacing:-.028em}.gl-form-lead{color:var(--gl-ink-3);font-size:17px;line-height:1.45}.gl-form-from{color:var(--gl-ink);font-size:18px;font-weight:500}.gl-form-fields{display:grid;gap:18px}.gl-field{display:grid;gap:9px;font-weight:400}.gl-field-label{color:var(--gl-ink-2);font-size:15px;font-weight:500;line-height:1.2}.gl-input{width:100%;height:54px;padding:0 18px;color:var(--gl-ink);border:1px solid var(--gl-line-strong);border-radius:16px;background:var(--gl-surface);font:inherit;font-size:16px;font-weight:400;transition:border-color .15s,box-shadow .15s}.gl-input::placeholder{color:var(--gl-ink-4)}.gl-input:focus{border-color:var(--gl-primary);box-shadow:0 0 0 4px var(--gl-primary-soft);outline:none}select.gl-input{appearance:none;padding-right:44px;background:var(--gl-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-opacity='.45' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6.5 9.5 5.5 5.5 5.5-5.5'/%3E%3C/svg%3E") right 16px center / 20px no-repeat}.gl-form-note{color:var(--gl-ink-3);font-size:14px;line-height:1.45}.gl-form-error{padding:12px 16px;color:color-mix(in oklab,var(--gl-bad) 80%,var(--gl-ink));border-radius:14px;background:var(--gl-bad-soft);font-size:14px}.gl-form-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;font-size:15px}.gl-form-links a{color:var(--gl-ink-3)}.gl-form-links a:hover{color:var(--gl-ink)}.gl-consent{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px;align-items:start;color:var(--gl-ink-3);font-size:14px;font-weight:400;line-height:1.4}.gl-consent input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--gl-primary)}.gl-consent a{color:var(--gl-ink-2);text-decoration:underline;text-underline-offset:2px}.gl-share{display:grid;gap:14px}.gl-auth-card{width:min(440px,100%);margin:0 auto}.gl-auth-card .gl-form-title{font-size:clamp(28px,3vw,34px)}.gl-auth-label-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.gl-auth-forgot,.gl-auth-switch a{color:var(--gl-primary-ink);font-size:14px;font-weight:600;text-decoration:none}.gl-auth-forgot:hover,.gl-auth-switch a:hover{text-decoration:underline;text-underline-offset:2px}.gl-auth-switch{margin:0;color:var(--gl-ink-3);font-size:15px;text-align:center}.gl-auth-switch a{font-size:15px}.gl-pills{display:flex;flex-wrap:wrap;gap:8px}.gl-pill{min-width:48px;height:48px;padding:0 16px;color:var(--gl-ink);border:1px solid var(--gl-line-strong);border-radius:999px;background:var(--gl-surface);font-size:16px;font-weight:500;transition:border-color .15s,background-color .15s,color .15s}.gl-pill:hover{border-color:var(--gl-ink-4)}.gl-pill[aria-pressed=true]{color:var(--gl-primary-ink);border-color:var(--gl-primary);background:var(--gl-primary-soft)}.gl-pills-grades{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));max-width:420px}.gl-pills-grades .gl-pill{min-width:0;height:auto;aspect-ratio:1;padding:0}.gl-public .family-invite-card{border-color:var(--gl-line-strong);border-radius:20px;background:var(--gl-surface-2)}.gl-public .family-invite-code{color:var(--gl-ink)}.gl-public .family-invite-link{color:var(--gl-ink-3)}.gl-public .diagnostic-card{width:100%;overflow:visible;color:var(--gl-ink);border:1px solid var(--gl-line);border-radius:28px;background:var(--gl-surface);box-shadow:var(--gl-shadow-md);font-family:var(--gl-font-text)}.gl-public .diagnostic-header{height:auto;min-height:0;padding:30px 32px 0;border:0;background:none;box-shadow:none}.gl-public .diagnostic-brand{display:none}.gl-public .diagnostic-title{color:var(--gl-ink);font-family:var(--gl-font-display);font-size:clamp(30px,3.2vw,40px);font-weight:600;line-height:1.05;letter-spacing:-.028em}.gl-public .diagnostic-close{color:var(--gl-ink-3);font-family:var(--gl-font-text);font-weight:300}.gl-public .diagnostic-close:hover{color:var(--gl-ink)}.gl-public .diagnostic-content{padding:22px 32px 30px}.gl-public .diagnostic-modes button,.gl-public .diagnostic-choice button{color:var(--gl-ink-2);border:1px solid var(--gl-line-strong);border-radius:18px;background:var(--gl-surface);box-shadow:none;font-weight:500;transition:border-color .15s,background-color .15s,color .15s}.gl-public .diagnostic-modes button:hover,.gl-public .diagnostic-choice button:hover{border-color:var(--gl-ink-4)}.gl-public .diagnostic-modes button.active,.gl-public .diagnostic-choice button.active{color:var(--gl-primary-ink);border-color:var(--gl-primary);background:var(--gl-primary-wash);box-shadow:inset 0 0 0 1px var(--gl-primary)}.gl-public .diagnostic-modes svg,.gl-public .diagnostic-choice svg{stroke:var(--gl-ink-3)}.gl-public .diagnostic-modes .active svg,.gl-public .diagnostic-choice .active svg{stroke:var(--gl-primary)}.gl-public .diagnostic-modes button>i{background:var(--gl-primary);font-weight:600}.gl-public .diagnostic-field{margin-top:22px}.gl-public .diagnostic-field h2{margin-bottom:10px;color:var(--gl-ink-2);font-family:var(--gl-font-text);font-size:15px;font-weight:500;line-height:1.2}.gl-public .diagnostic-grades{gap:8px}.gl-public .diagnostic-grades button{color:var(--gl-ink);border:1px solid var(--gl-line-strong);background:var(--gl-surface);font-weight:500;transition:border-color .15s,background-color .15s,color .15s}.gl-public .diagnostic-grades button:hover{border-color:var(--gl-ink-4)}.gl-public .diagnostic-grades button.active{color:var(--gl-primary-ink);border:1px solid var(--gl-primary);background:var(--gl-primary-soft);box-shadow:none}.gl-public .textbook-picker,.gl-public .topic-picker{border:1px solid var(--gl-line-strong);border-radius:18px;background:var(--gl-surface)}.gl-public .textbook-picker.open,.gl-public .topic-picker.open{border-color:var(--gl-primary);box-shadow:0 0 0 4px var(--gl-primary-soft)}.gl-public .textbook-trigger,.gl-public .topic-trigger{color:var(--gl-ink);border-radius:18px}.gl-public .textbook-text strong,.gl-public .topic-text strong{color:var(--gl-ink);font-weight:600}.gl-public .textbook-text small,.gl-public .topic-text small,.gl-public .textbook-chevron{color:var(--gl-ink-3)}.gl-public .textbook-action{color:var(--gl-primary-ink)}.gl-public .topic-icon{color:var(--gl-primary-ink);background:var(--gl-primary-soft)}.gl-public .topic-picker .topic-text input::placeholder{color:var(--gl-ink)}.gl-public .textbook-trigger:focus-visible{outline-color:var(--gl-primary)}.gl-public .diagnostic-error{color:color-mix(in oklab,var(--gl-bad) 80%,var(--gl-ink));background:var(--gl-bad-soft);font-size:14px}.gl-public .diagnostic-submit{min-height:60px;margin-top:26px;border-radius:999px;background:var(--gl-primary);box-shadow:0 12px 26px -12px var(--gl-primary-glow);font-family:var(--gl-font-text);font-size:18px;font-weight:500;transition:background-color .2s,box-shadow .2s}.gl-public .diagnostic-submit:hover{background:var(--gl-primary-hover)}.gl-public .diagnostic-privacy{color:var(--gl-ink-3);font-size:13px}.gl-public .diagnostic-privacy svg{stroke:var(--gl-ink-3)}body:has(.gl-public) .picker-sheet-backdrop{--gl-primary: #015bfe;background:#14100a52;font-family:Onest,Segoe UI,system-ui,sans-serif}body:has(.gl-public[data-level=base]) .picker-sheet-backdrop{--gl-primary: #eb4401}body:has(.gl-public[data-level=advanced]) .picker-sheet-backdrop{--gl-primary: #15b441}body:has(.gl-public) .picker-sheet{color:#000;border-color:#00000014;border-radius:24px;box-shadow:0 2px 6px #00000008,0 32px 72px #281e1429}body:has(.gl-public) .picker-sheet-head{border-bottom-color:#00000014}body:has(.gl-public) .picker-sheet-head h2{color:#000;font-family:"Source Serif 4",Georgia,serif;font-size:22px;font-weight:600;letter-spacing:-.02em}body:has(.gl-public) .picker-sheet-close{color:#00000085;background:#f3f2ef}body:has(.gl-public) .picker-sheet-close:hover{color:#000;background:#ebe9e4}body:has(.gl-public) .picker-sheet-search{color:#000;border:1px solid rgb(0 0 0 / .13);border-radius:14px}body:has(.gl-public) .picker-sheet-search:focus{border-color:var(--gl-primary)}body:has(.gl-public) .textbook-option,body:has(.gl-public) .topic-option{color:#000}body:has(.gl-public) .textbook-option:hover,body:has(.gl-public) .topic-option:hover,body:has(.gl-public) .topic-option.cursor{background:#f6f4f1}body:has(.gl-public) .textbook-option.active,body:has(.gl-public) .topic-option.active{background:color-mix(in oklab,var(--gl-primary) 10%,#fff)}body:has(.gl-public) .textbook-text small,body:has(.gl-public) .topic-option-text small,body:has(.gl-public) .topic-section{color:#00000085}body:has(.gl-public) .textbook-check{background:var(--gl-primary)}body:has(.gl-public) .topic-option.now{background:color-mix(in oklab,var(--gl-primary) 7%,#fff)}body:has(.gl-public) .topic-option.now:before{background:var(--gl-primary)}body:has(.gl-public) .topic-option.now .topic-order{background:var(--gl-primary)}body:has(.gl-public) .topic-option.now .topic-option-text strong{color:#000}body:has(.gl-public) .topic-now{color:color-mix(in oklab,var(--gl-primary) 84%,#000)}@media(max-width:640px){.gl-public-main{margin-top:22px}.gl-form-card{gap:20px;padding:26px 20px 24px;border-radius:24px}.gl-public .diagnostic-card{border-radius:24px}.gl-public .diagnostic-header{padding:24px 18px 0}.gl-public .diagnostic-content{padding:20px 16px 24px}.gl-public .diagnostic-modes{gap:8px}.gl-public .diagnostic-modes button{gap:6px;padding:6px 8px}.gl-public .diagnostic-choice{gap:8px}.gl-public .diagnostic-choice button{padding:8px 10px}.gl-pill{min-width:42px;height:42px;padding:0 13px;font-size:15px}.gl-pills-grades{gap:6px}body:has(.gl-public) .picker-sheet{border-radius:0}}@media(max-width:380px){.gl-public .diagnostic-modes button{font-size:14px}.gl-public .diagnostic-modes svg{width:19px;height:19px}.gl-public .diagnostic-modes button>i{width:17px;height:17px;font-size:10px}}.paywall h1{font-size:clamp(24px,4vw,34px);line-height:1.15;margin:0}.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.plan-card{position:relative;display:grid;gap:10px;padding:20px;border:1px solid var(--line, #dde2ee);border-radius:16px;background:#fff}.plan-card.featured{border-color:var(--accent, #2b6bf3);box-shadow:0 8px 28px #2b6bf31f}.plan-badge{position:absolute;top:-11px;left:18px;background:var(--accent, #2b6bf3);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}.plan-card h2{margin:0;font-size:20px}.plan-price{margin:0;display:flex;align-items:baseline;gap:6px}.plan-price b{font-size:30px;font-weight:800;letter-spacing:-.01em}.plan-price span{color:#7b849c}.plan-desc{margin:0;color:#4a5470}.plan-benefits{margin:0;padding-left:18px;color:#4a5470;font-size:14.5px;display:grid;gap:4px}.subscription-box{display:grid;gap:6px}.subscription-box .status{font-weight:600}.diagnostic-page{min-height:100dvh;padding:18px;color:#08184f;background:radial-gradient(circle at 5% 12%,rgba(85,204,255,.13),transparent 25%),radial-gradient(circle at 95% 85%,rgba(74,138,255,.12),transparent 30%),#f6faff;font-family:Onest,Segoe UI,sans-serif}.diagnostic-page,.diagnostic-page *{box-sizing:border-box}.diagnostic-card{width:min(620px,100%);margin:0 auto;overflow:hidden;border:1px solid #e7eff9;border-radius:25px;background:#fffffff5;box-shadow:0 20px 65px #1e57a021}.diagnostic-header{display:flex;align-items:center;justify-content:space-between;min-height:91px;padding:18px 25px;border-bottom:1px solid #eef4fb;background:#fffffff5;box-shadow:0 8px 25px #305d960d}.diagnostic-brand{display:block}.diagnostic-brand img{display:block;width:40px;height:40px;border-radius:10px}.diagnostic-title{margin:0;font-size:20px;font-weight:800;letter-spacing:-.01em;color:#07164b}.diagnostic-content{padding:26px 27px 29px}.diagnostic-modes{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}.diagnostic-modes button{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;min-width:0;height:58px;padding:7px 13px;color:#33415e;border:1.5px solid #dce5f0;border-radius:18px;background:#fff;font-size:16px;font-weight:700;text-align:left}.diagnostic-modes button.active{color:#0871e9;border-color:#0878f7;background:linear-gradient(90deg,#f3f9ff,#fff);box-shadow:0 5px 15px #227df517}.diagnostic-modes svg{width:26px;height:26px;fill:none;stroke:#5d7397;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.diagnostic-modes .active svg{stroke:#1681f4}.diagnostic-modes button>i{display:grid;place-items:center;width:23px;height:23px;color:#fff;border-radius:50%;background:#0877ef;font-size:13px;font-style:normal;font-weight:800}.diagnostic-modes button>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.diagnostic-choice{display:grid;grid-template-columns:1fr 1fr;gap:12px}.diagnostic-choice button{display:grid;grid-template-columns:26px 1fr;align-items:center;gap:9px;min-width:0;min-height:56px;padding:8px 14px;color:#4a5876;border:1.5px solid #dce5f0;border-radius:16px;background:#fff;font-size:14.5px;font-weight:600;text-align:left}.diagnostic-choice button.active{color:#0871e9;border-color:#0878f7;background:linear-gradient(90deg,#f3f9ff,#fff);box-shadow:0 5px 15px #227df517}.diagnostic-choice svg{width:22px;height:22px;fill:none;stroke:#5d7397;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.diagnostic-choice .active svg{stroke:#1681f4}.diagnostic-choice button>span{min-width:0;line-height:1.25}.diagnostic-field{margin-top:20px}.diagnostic-field h2{margin:0 0 11px;color:#101c4a;font-size:18px;line-height:1}.diagnostic-subjects{display:grid;grid-template-columns:1fr 1fr;gap:15px}.diagnostic-subjects button{position:relative;display:grid;grid-template-columns:45px 1fr 24px;align-items:center;min-width:0;height:61px;padding:7px 15px;color:#101e50;border:1.5px solid #dce5f0;border-radius:23px;background:#fff;font-size:15px;text-align:left}.diagnostic-subjects button.active{color:#0871e9;border-color:#0878f7;background:linear-gradient(90deg,#f5fbff,#fff);box-shadow:0 5px 15px #227df514}.diagnostic-subjects svg{width:32px;height:32px;fill:none;stroke:#5d7397;stroke-width:2.8;stroke-linecap:round;stroke-linejoin:round}.diagnostic-subjects .active svg{stroke:#1681f4}.diagnostic-subjects button>i{display:grid;place-items:center;width:23px;height:23px;color:#fff;border-radius:50%;background:#0877ef;font-size:13px;font-style:normal;font-weight:800}.diagnostic-grades{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}.diagnostic-grades button{aspect-ratio:1;min-width:0;padding:0;color:#0d1744;border:1px solid #dce5f0;border-radius:50%;background:#fff;font-size:17px;font-weight:700}.diagnostic-grades button.active{color:#0872ee;border:1.5px solid #0877ef;box-shadow:0 4px 12px #1f7cf514}.textbook-picker{position:relative;border:1.5px solid #dce6f1;border-radius:16px;background:#fff;transition:border-color .15s ease,box-shadow .15s ease}.textbook-picker.open{border-color:#0877ef;box-shadow:0 8px 24px #1f7cf51f}.textbook-trigger,.textbook-option{display:grid;grid-template-columns:44px 1fr 24px;align-items:center;gap:14px;width:100%;padding:10px 16px;color:#111c4b;border:0;background:transparent;font:inherit;text-align:left;cursor:pointer}.textbook-trigger{min-height:74px;border-radius:16px}.textbook-picker.summary .textbook-trigger{grid-template-columns:44px minmax(0,1fr) auto}.textbook-action{color:#0871e9;font-size:14px;font-weight:700;line-height:1.25;text-align:right}.textbook-action b{font-weight:600}.textbook-trigger:hover .textbook-action{text-decoration:underline}.textbook-trigger:focus-visible,.textbook-option:focus-visible{outline:2px solid #0877ef;outline-offset:-2px}.textbook-text{display:grid;min-width:0;gap:2px}.textbook-text strong{overflow:hidden;font-size:16px;font-weight:700;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.textbook-text small{overflow:hidden;color:#7485a5;font-size:12.5px;font-weight:500;line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.textbook-chevron{width:22px;height:22px;color:#6b83a8;transition:transform .2s ease}.textbook-picker.open .textbook-chevron{transform:rotate(180deg)}.textbook-cover{display:block;width:44px;height:56px;overflow:hidden;border-radius:5px 8px 8px 5px;box-shadow:0 3px 8px #102a5a38,inset 2px 0 #ffffff59;background:#eef3fa}.textbook-cover img{display:block;width:100%;height:100%;object-fit:cover}.textbook-cover.generated{display:grid;place-items:center;color:#fff;background:linear-gradient(160deg,rgba(255,255,255,.28),transparent 55%),var(--cover, #5c6bc0)}.textbook-cover.generated b{font-size:22px;font-weight:800;text-shadow:0 1px 2px rgba(0,0,0,.18)}.picker-sheet-backdrop{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:18px;background:#0b204961;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:picker-fade .16s ease}.picker-sheet{display:flex;flex-direction:column;width:min(600px,100%);max-height:min(82vh,720px);overflow:hidden;border:1px solid #e3ecf8;border-radius:22px;background:#fff;box-shadow:0 26px 70px #10306947;animation:picker-rise .2s cubic-bezier(.2,.8,.3,1)}.picker-sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:0 0 auto;padding:16px 14px 14px 22px;border-bottom:1px solid #eef3fa}.picker-sheet-head h2{margin:0;color:#0a1846;font-size:18px;font-weight:800}.picker-sheet-close{display:grid;place-items:center;width:38px;height:38px;padding:0;color:#56658a;border:0;border-radius:12px;background:#f4f7fc;cursor:pointer}.picker-sheet-close:hover{color:#0a1846;background:#e9eff9}.picker-sheet-close svg{width:20px;height:20px}.picker-sheet-toolbar{flex:0 0 auto;padding:12px 16px 4px}.picker-sheet-search{width:100%;min-height:46px;padding:0 14px;color:#111c4b;border:1.5px solid #dce6f1;border-radius:13px;background:#fff;font:inherit;font-size:15px}.picker-sheet-search:focus{border-color:#0877ef;outline:none}.picker-sheet-body{flex:1 1 auto;min-height:0;overflow:auto;padding:8px 10px 14px;overscroll-behavior:contain}@keyframes picker-fade{0%{opacity:0}}@keyframes picker-rise{0%{opacity:0;transform:translateY(12px) scale(.98)}}@media(max-width:680px){.picker-sheet-backdrop{padding:0}.picker-sheet{width:100%;height:100dvh;max-height:none;border:0;border-radius:0}.picker-sheet-head{padding:14px 10px 12px 18px}.picker-sheet-body{padding-bottom:28px}}.textbook-list{display:grid;gap:2px;min-height:0;overflow:hidden;padding:0 6px 6px}.textbook-list{padding-top:6px}.textbook-option{min-height:66px;padding:8px 12px;border-radius:12px;transition:background-color .12s ease}.textbook-option:hover{background:#f3f8ff}.textbook-option.active{background:#eaf3ff}.textbook-option .textbook-text small{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;white-space:normal}.textbook-option .textbook-cover{transform:scale(.9)}.textbook-check{display:grid;place-items:center;width:24px;height:24px;color:#fff;border-radius:50%;background:#0877ef;opacity:0;transform:scale(.6);transition:opacity .15s ease,transform .15s ease}.textbook-check svg{width:16px;height:16px}.textbook-option.active .textbook-check{opacity:1;transform:scale(1)}.diagnostic-error{margin:12px 0 0;padding:10px 14px;color:#a52b38;border-radius:12px;background:#fff0f2;font-size:12px}.diagnostic-submit{display:grid;grid-template-columns:1fr 34px;align-items:center;width:100%;min-height:63px;margin-top:23px;padding:0 22px 0 56px;color:#fff;border:0;border-radius:20px;background:linear-gradient(135deg,#2d94ff,#0565ed);box-shadow:0 13px 28px #126fef42;font-size:19px}.diagnostic-submit b{font-size:30px;font-weight:300}.diagnostic-submit:disabled{opacity:.65;cursor:wait}.diagnostic-privacy{display:flex;align-items:center;justify-content:center;gap:9px;margin:20px 0 0;color:#677895;font-size:11px}.diagnostic-privacy svg{width:19px;height:19px;fill:none;stroke:#7183a1;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}@media(max-width:680px){.diagnostic-page{padding:10px}.diagnostic-card{border-radius:22px}.diagnostic-header{min-height:56px;height:56px;padding:0 12px 0 16px;box-shadow:0 1px #eef2f8,0 2px 8px #102a5a0f}.diagnostic-brand{width:auto;padding-bottom:0}.diagnostic-brand img{width:36px;height:36px}.diagnostic-content{padding:23px 18px 26px}.diagnostic-modes{gap:10px;margin-bottom:16px}.diagnostic-modes button{height:52px;gap:7px;padding:6px 10px;font-size:14.5px;border-radius:16px}.diagnostic-modes svg{width:21px;height:21px}.diagnostic-modes button>i{width:19px;height:19px;font-size:11px}.diagnostic-choice{gap:10px}.diagnostic-choice button{min-height:52px;gap:8px;padding:8px 11px;font-size:13.5px;border-radius:14px}.diagnostic-choice svg{width:20px;height:20px}.diagnostic-subjects{gap:10px}.diagnostic-subjects button{grid-template-columns:39px 1fr 21px;padding:7px 12px;font-size:13px}.diagnostic-subjects svg{width:29px;height:29px}.diagnostic-subjects button>i{width:21px;height:21px}.diagnostic-grades{gap:7px}.diagnostic-grades button{font-size:14px}}@media(max-width:430px){.diagnostic-page{padding:0;background:#fff}.diagnostic-card{border:0;border-radius:0;box-shadow:none}.diagnostic-header{min-height:56px;height:56px;padding:0 8px 0 16px}.diagnostic-brand{width:auto;padding-bottom:0}.diagnostic-brand img{width:34px;height:34px}.diagnostic-content{padding:21px 16px 24px}.diagnostic-field{margin-top:18px}.diagnostic-field h2{margin-bottom:10px;font-size:17px}.diagnostic-subjects button{grid-template-columns:34px 1fr 19px;height:57px;padding:6px 9px;border-radius:20px;font-size:11px}.diagnostic-subjects svg{width:26px;height:26px}.diagnostic-subjects button>i{width:19px;height:19px;font-size:11px}.diagnostic-grades{gap:5px}.diagnostic-grades button{font-size:13px}.textbook-trigger,.textbook-option{grid-template-columns:40px 1fr 22px;gap:12px;padding-right:12px;padding-left:12px}.textbook-trigger{min-height:68px}.textbook-text strong{font-size:15px}.textbook-text small{font-size:12px}.textbook-cover{width:40px;height:52px}.diagnostic-submit{min-height:59px;margin-top:20px;padding-left:45px;border-radius:18px;font-size:16px}.diagnostic-privacy{margin-top:18px;font-size:8.5px}}.diagnostic-check{display:flex;align-items:center;gap:10px;margin:0 0 12px;font-size:15px;color:#111c4b;cursor:pointer}.diagnostic-check input{width:20px;height:20px;accent-color:#0877ef}.topic-picker{position:relative;border:1.5px solid #dce6f1;border-radius:16px;background:#fff;transition:border-color .15s ease,box-shadow .15s ease}.topic-picker.open{border-color:#0877ef;box-shadow:0 8px 24px #1f7cf51f}.topic-trigger{display:grid;grid-template-columns:44px minmax(0,1fr) 24px;align-items:center;gap:14px;width:100%;min-height:74px;padding:10px 16px;border:0;border-radius:16px;background:transparent;font:inherit;text-align:left;cursor:pointer}.topic-text strong{overflow:hidden;color:#111c4b;font-size:16px;font-weight:700;line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.topic-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:#eef4ff;color:#0877ef}.topic-icon svg{width:22px;height:22px}.topic-text{display:grid;gap:2px;min-width:0}.topic-picker .topic-text input{font-family:inherit;font-size:16px;font-weight:700;line-height:1.3;color:#111c4b;border:0;border-radius:0;background:transparent;padding:0;margin:0;width:100%;min-height:0;outline:none;box-shadow:none}.topic-text input::placeholder{color:#111c4b;opacity:.9}.topic-picker.open .topic-text input::placeholder{color:#9aa6bf;opacity:1}.topic-text small{font-size:13px;color:#6f7b94;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topic-picker.open .textbook-chevron{transform:rotate(180deg)}.topic-list{display:grid;gap:2px;padding:6px}.topic-section{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#6f7b94;padding:10px 12px 4px}.topic-section-note{font-weight:600;letter-spacing:0;text-transform:none;color:#9aa5b8}.topic-option{display:grid;grid-template-columns:30px 1fr auto 24px;align-items:center;gap:10px;width:100%;padding:10px 12px;border:0;border-radius:12px;background:transparent;font:inherit;color:#111c4b;text-align:left;cursor:pointer}.topic-option.cursor,.topic-option:hover{background:#f1f6ff}.topic-option.active{background:#e6f0ff}.topic-option.now{position:relative;padding-left:20px;background:linear-gradient(90deg,#e3f0ff,#f6faff 75%);box-shadow:inset 0 0 0 1.5px #bcd9fd}.topic-option.now:before{content:"";position:absolute;top:8px;bottom:8px;left:6px;width:4px;border-radius:999px;background:linear-gradient(180deg,#37a0ff,#0a63e4)}.topic-option.now .topic-order{color:#fff;background:#0877ef}.topic-option.now .topic-option-text strong{color:#07306f;font-weight:800}.topic-option.now.cursor,.topic-option.now:hover{background:linear-gradient(90deg,#d9eaff,#eef6ff 75%)}.topic-order{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#eef2f8;font-size:13px;font-weight:700;color:#5b6b8c}.topic-option-text{display:grid;gap:1px;min-width:0}.topic-option-text strong{font-weight:600;font-size:15px;line-height:1.3}.topic-option-text small{font-size:12.5px;color:#6f7b94}.topic-now{font-style:normal;font-size:10.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#fff;background:#0877ef;border-radius:999px;padding:3px 9px;box-shadow:0 2px 6px #0877ef4d}.topic-option .textbook-check{opacity:0}.topic-option.active .textbook-check{opacity:1}.topic-empty{padding:14px;color:#6f7b94;text-align:center}.diagnostic-header-lead{display:flex;align-items:center;gap:12px}.level-choice{display:grid;gap:14px}.level-choice-field{display:grid;gap:6px}.level-choice-field>span{color:#0d1b4c;font-size:14px;font-weight:700}.level-choice .level-choice-move{display:inline-flex;flex-direction:row;align-items:center;gap:9px;justify-self:start;color:var(--text);font-size:15px;font-weight:600;cursor:pointer}.level-choice .level-choice-move input{width:18px;height:18px;min-height:0;margin:0;padding:0;flex:0 0 auto;accent-color:#7c3aed}.level-choice-dialog{display:grid;gap:10px;padding:20px}.level-choice-dialog h2{margin:0;font-size:18px;line-height:1.3}.level-choice-dialog p{margin:0;color:#4a5672;font-size:14.5px;line-height:1.5}.level-choice-actions{display:grid;grid-template-columns:1fr 1.4fr;gap:10px;margin-top:6px}.parent .card{display:grid;gap:10px}.parent .kicker{margin:0}.parent h2{margin:0;font-size:20px;line-height:1.25}.parent-inline{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.parent-inline input{flex:1;min-width:180px}.report .lede{margin:0;color:#33415e;font-size:15px;line-height:1.5}.report-blocks{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}.report-block{display:grid;gap:8px;align-content:start;padding:12px 14px;border-radius:14px;background:var(--bg-soft)}.report-block h3{display:flex;align-items:center;gap:8px;margin:0;color:#0d1b4c;font-size:14px;font-weight:800}.report-mark{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%}.report-mark svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}.report-block.strong .report-mark{background:#dcfce7;color:#15803d}.report-block.gap .report-mark{background:#ffedd5;color:#c2410c}.report-list{display:grid;gap:8px;margin:0;padding:0;list-style:none;font-size:14px;line-height:1.4}.report-list li{display:grid;gap:2px}.report-block.strong .report-list li{position:relative;padding-left:14px}.report-block.strong .report-list li:before{content:"";position:absolute;left:2px;top:.55em;width:5px;height:5px;border-radius:50%;background:#22c55e}.report-list b{color:#0d1b4c;font-weight:700}.report-list span{color:#33415e}.report-list small{color:var(--muted);font-size:12.5px}.report-advice{display:grid;gap:4px;padding:12px 14px;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;background:#f1f6ff}.report-advice-label{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.report-advice p{margin:0;color:#22304f;font-size:14.5px;line-height:1.45}.report-facts{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.report-facts li{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 12px;border:1px solid var(--line);border-radius:999px;color:#33415e;font-size:13.5px;font-weight:600}.report-facts svg{width:16px;height:16px;fill:none;stroke:#6b7892;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.report-facts small{color:var(--muted);font-weight:500}.parent-level{display:flex;gap:16px;align-items:flex-start}.parent-level>b{font-size:40px;line-height:1;letter-spacing:-.02em}.parent-level p{margin:0 0 4px}.parent .gap-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.parent .gap-list li{display:grid;grid-template-columns:12px 1fr;gap:10px;align-items:center}.parent .gap-list .dot{width:12px;height:12px;border-radius:50%;background:#d64545}.parent .gap-list .dot.building{background:#e0a100}.parent .gap-list small{display:block;color:#6b7390;font-size:13px}.parent .gap-list .pct{color:#4a5470}.dialog-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.dialog-list li{display:grid;gap:2px}.dialog-list small{color:#7b849c}a.chip{text-decoration:none;display:inline-flex;align-items:center}.family-child-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px}.family-child-head h2{margin:0;font-size:24px}.family-child-head .muted-note{margin:2px 0 0}.family-add-chip{border-style:dashed}.family-add{padding-top:6px;border-top:1px solid var(--line)}.family-settings label,.family-add label{display:grid;gap:4px;font-weight:600;font-size:14px}.family-settings-row{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.family-fieldset{border:0;margin:0;padding:0;display:grid;gap:6px}.family-fieldset legend{font-weight:600;font-size:14px;padding:0;margin-bottom:6px}.family-skipped{list-style:none;margin:0;padding:0;display:grid;gap:8px}.family-skipped li{display:flex;align-items:center;justify-content:space-between;gap:10px}.family-open-codes{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.family-open-codes .chip{display:inline-flex;gap:8px;align-items:center}.family-open-codes code{font-weight:700;letter-spacing:.12em}.family-stats-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}.family-stats-head .chip-row{flex-wrap:nowrap;gap:6px}.family-stats-head .chip{padding:8px 12px;min-height:40px}.family-totals{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin:0}.family-totals div{background:var(--bg-soft);border-radius:14px;padding:10px 12px}.family-totals dt{color:var(--muted);font-size:13px}.family-totals dd{margin:2px 0 0;font-size:24px;font-weight:800;color:var(--text)}.family-totals small{font-size:14px;font-weight:600;color:var(--muted)}.family-bars{display:flex;align-items:flex-end;gap:3px;height:120px}.family-bar{flex:1 1 0;min-width:0;display:grid;grid-template-rows:1fr auto;height:100%;gap:4px;text-align:center}.family-bar-track{display:flex;flex-direction:column-reverse;justify-content:flex-start;background:var(--bg-soft);border-radius:6px;overflow:hidden}.family-bar-track i{display:block}.family-bar-right{background:var(--ok)}.family-bar-wrong{background:#fca5a5}.family-bar span{font-size:11px;color:var(--muted)}.family-last:first-letter{text-transform:uppercase}.family-legend{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:0}.family-swatch{display:inline-block;width:10px;height:10px;border-radius:3px}.family-swatch.right{background:var(--ok)}.family-swatch.wrong{background:#fca5a5;margin-left:8px}.family-sessions{list-style:none;margin:0;padding:0;display:grid}.family-sessions li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--line)}.family-sessions li:first-child{padding-top:0;border-top:0}.family-sessions li:last-child{padding-bottom:0}.family-session-main{display:grid;gap:1px;min-width:0}.family-session-title{overflow:hidden;color:var(--text);font-size:14px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.family-sessions small{color:var(--muted);font-size:12px}.family-score{flex:0 0 auto;min-width:40px;padding:3px 8px;border-radius:999px;background:var(--bg-soft);color:var(--muted);font-size:12px;font-weight:700;text-align:center;font-variant-numeric:tabular-nums}.family-score.all{color:#15803d;background:#dcfce7}.family-report-anchor{scroll-margin-top:80px}.parent-chats-children{padding:10px 16px 0}@media(min-width:900px){.parent-chats-children{padding:12px 48px 0}}.family-layout{display:grid;gap:14px}.family-aside,.family-aside-end{display:grid;gap:14px;align-content:start;min-width:0}.family-main{display:grid;gap:14px;min-width:0}.family-layout.solo{max-width:760px;margin-inline:auto}.parent .family-route,.parent .family-report,.parent .family-add,.parent .family-add .stack{padding:0}.parent .family-adding .family-add{padding-top:0;border-top:0}.family-main .family-stats,.family-col{display:contents}@media(max-width:899px){.family-layout:not(.solo) .family-main,.family-layout:not(.solo) .family-aside-end{display:contents}.family-layout .level-widget{order:1}.family-layout .family-report-anchor{order:2}.family-layout .family-activity{order:3}.family-layout .subscription-box{order:4}.family-layout .family-recent{order:5}.family-layout .family-route{order:6}}.family-who{gap:14px}.family-switch{position:relative;min-width:0}.family-switch-toggle{display:grid;grid-template-columns:auto minmax(0,1fr) 20px;align-items:center;gap:12px;width:100%;padding:0;border:0;background:none;color:inherit;text-align:left;cursor:pointer}.family-switch-who{display:grid;gap:2px;min-width:0}.family-switch-who b{overflow:hidden;color:#0d1b4c;font-size:20px;font-weight:800;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.family-switch-who small{color:var(--muted);font-size:13px;line-height:1.35}.family-switch.header .family-switch-who small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.family-switch-chevron{width:20px;height:20px;fill:none;stroke:#6b7892;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .15s}.family-switch-toggle[aria-expanded=true] .family-switch-chevron{transform:rotate(180deg)}.family-switch-menu{position:absolute;top:calc(100% + 8px);left:0;z-index:40;display:grid;width:max(100%,240px);padding:6px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 14px 36px #0d1b4c29}.family-switch-menu>button,.family-switch-menu>a{display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 10px;border:0;border-radius:10px;background:transparent;color:var(--text);font-size:15px;font-weight:600;text-align:left;text-decoration:none;cursor:pointer}.family-switch-menu>button:hover,.family-switch-menu>a:hover{background:#f3f6fb}.family-switch-menu>button>span:not(.avatar){flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.family-switch .avatar{flex:0 0 auto}.family-switch-menu .current{color:var(--accent)}.family-switch-check{width:18px;height:18px;fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.family-switch-sep{height:1px;margin:4px 6px;background:var(--line)}.family-switch-add{color:var(--accent)!important}.app-header-switch{min-width:0}.family-switch.header .family-switch-toggle{grid-template-columns:auto minmax(0,auto) 18px;gap:8px;width:auto;max-width:100%}.family-switch.header .family-switch-who b{font-size:16px}.family-switch.header .family-switch-who small{font-size:12px}.family-switch.header .family-switch-chevron{width:18px;height:18px}.family-switch-add-only{min-height:38px;padding:0 14px;border:1px dashed #bcd2ff;border-radius:999px;background:#fff;color:var(--accent);font-size:14px;font-weight:700;cursor:pointer}.family-adding-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-weight:700}.family-adding-head .icon-btn{width:36px;height:36px;font-size:22px;line-height:1}@media(min-width:900px){.family-main{grid-template-columns:minmax(0,1.48fr) minmax(0,1fr);align-items:start}.family-col{display:grid;gap:14px;align-content:start;min-width:0}.family-layout:not(.solo) .family-aside,.family-layout:not(.solo) .family-aside-end{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-items:start}.family-main .level-widget{gap:10px;padding:14px 16px 12px}.family-main .level-widget-body{grid-template-columns:168px minmax(0,1fr);gap:18px}.family-main .level-wheel{max-width:168px}.family-main .level-widget-foot{padding-top:10px}}@media(min-width:1240px){.family-layout:not(.solo){grid-template-columns:320px minmax(0,1fr);grid-template-rows:auto 1fr;align-items:start;gap:18px;max-width:1640px;margin-inline:auto}.family-layout:not(.solo) .family-aside{grid-column:1;grid-row:1;grid-template-columns:minmax(0,1fr);gap:18px}.family-layout:not(.solo) .family-main{grid-column:2;grid-row:1 / span 2;gap:18px}.family-layout:not(.solo) .family-aside-end{grid-column:1;grid-row:2;grid-template-columns:minmax(0,1fr);gap:18px}.family-col{gap:18px}}.family-assign-page{max-width:760px;margin-inline:auto}.family-assign-head h1{margin:0;font-size:26px}.family-assign-head .muted-note{margin:0}.family-assign-route{justify-self:start}.profile-notes{padding-bottom:0}.profile-learning>label.stack{padding:0}.profile-learning>label.stack>span{color:#0d1b4c;font-size:14px;font-weight:700}.profile-learning>.profile-separator{gap:6px;padding:0}.profile-separator>span{color:#0d1b4c;font-size:14px;font-weight:700}.profile-separator-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}.profile-separator-options button{display:grid;justify-items:start;gap:2px;padding:10px 12px;border:1px solid #d7dfeb;border-radius:12px;background:#fff;color:#5f6e8a;font:inherit;font-size:13px;text-align:left;cursor:pointer}.profile-separator-options button b{color:#0d1b4c;font-size:18px}.profile-separator-options button.active{border-color:#2b6bf3;background:#f3f7ff;box-shadow:0 0 0 3px #2b6bf31f}.profile-learning input[type=range]{min-height:0;padding:0;margin:6px 0}.profile-animations{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px}.profile-animations span{color:#0d1b4c;font-size:14px;font-weight:700}.profile-animations small{display:block;margin-top:3px;line-height:1.35}.profile-layout{display:grid;gap:12px}.profile-col{display:contents}.profile-layout .profile-hero{order:1}.profile-layout .tests-link{order:2}.profile-layout .subscription-box{order:3}.profile-layout .profile-badges{order:4}.profile-layout .profile-language{order:3}.profile-layout .profile-learning{order:5}.profile-layout .public-profile{order:6}.profile-layout .profile-habits{order:7}.profile-layout .profile-cms{order:8}@media(min-width:900px){.profile-layout{align-items:start;gap:14px}.profile-col{display:grid;gap:14px;align-content:start;min-width:0}.profile-layout.learner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.profile-layout.learner .profile-col-me{grid-column:1;grid-row:1}.profile-layout.learner .profile-col-badges{grid-column:1;grid-row:2}.profile-layout.learner .profile-col-settings{grid-column:2;grid-row:1 / span 2}.profile-layout.staff{grid-template-columns:300px minmax(0,1fr)}}@media(min-width:1240px){.profile-layout{gap:18px;max-width:1640px;margin-inline:auto}.profile-col{gap:18px}.profile-layout.learner{grid-template-columns:320px minmax(0,1.48fr) minmax(0,1fr)}.profile-layout.learner .profile-col-me{grid-column:1;grid-row:1}.profile-layout.learner .profile-col-badges{grid-column:2;grid-row:1}.profile-layout.learner .profile-col-settings{grid-column:3;grid-row:1}.profile-layout.staff{grid-template-columns:320px minmax(0,1fr)}}.family-code{display:grid;gap:6px}.family-code label{font-weight:600;font-size:14px}.family-code-row{display:flex;gap:8px;flex-wrap:wrap}.family-code-row input{flex:1 1 160px;min-width:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.18em;text-transform:uppercase}.family-code-row button{flex:0 0 auto}.family-done{margin:0;color:#15803d;font-weight:600}.family-invite-card{display:grid;gap:10px;padding:14px;border:1px dashed var(--line);border-radius:16px;background:var(--bg-soft)}.family-invite-card .muted-note{margin:0}.family-invite-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:32px;font-weight:700;letter-spacing:.24em;color:var(--text)}.family-invite-link{display:block;overflow-wrap:anywhere;font-size:13px;color:var(--muted)}.family-card{display:grid;gap:12px}.family-card h2{margin:0}.family-card-menu{position:relative}.family-card-more{width:100%;min-height:40px;padding:6px 14px;font-size:14.5px}.family-card-popup{position:absolute;bottom:calc(100% + 6px);left:0;right:0;z-index:20;display:grid;min-width:210px;padding:6px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 14px 34px #14234629}.family-card-popup a{padding:10px 12px;border-radius:10px;color:var(--text);font-weight:600;text-decoration:none}.family-card-popup a:hover{background:var(--bg-soft)}.family-card-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.family-card-list li{display:flex;align-items:center;gap:10px;min-width:0}.family-card-list li>div{min-width:0}.family-card-list b{display:block;overflow:hidden;color:#0d1b4c;font-size:15px;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.family-card-list small{display:block;color:var(--muted);font-size:12.5px}.invite-from{margin:0;font-weight:700;color:var(--text)}.legal{max-width:860px;margin:0 auto;padding:16px 20px 64px}.legal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:8px 20px;border-bottom:1px solid var(--line, #dde2ee)}.legal-head nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}.legal-head nav a{color:var(--muted, #4a5470);text-decoration:none}.legal-head nav a:hover{text-decoration:underline}.legal-body h1{font-size:clamp(24px,3.5vw,34px);line-height:1.15;margin:24px 0 8px}.legal-body h2{font-size:18px;margin:26px 0 6px}.legal-body p,.legal-body li{line-height:1.55;color:var(--ink, #17203a);font-size:16px}.legal-body ul{padding-left:20px}.legal-meta{font-size:13.5px;color:var(--muted, #6b7390)}:root{color-scheme:light;--bg: #F5F8FF;--bg-elev: #ffffff;--bg-soft: #EEF3FF;--line: #D7E2F5;--text: #0D1B4C;--muted: #5B6B8C;--accent: #2B6BF3;--accent-2: #5B8DEF;--danger: #EF4444;--warn: #F59E0B;--ok: #22C55E;--unknown: #94A3B8;--radius: 22px;--safe-top: env(safe-area-inset-top);--safe-bottom: max(12px, env(safe-area-inset-bottom));--nav-h: 64px;--touch: 48px;font-family:Onest,Segoe UI,PT Sans,Noto Sans,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--text);overflow-x:clip}body{padding:var(--safe-top) 0 0}button,input,select,textarea,a{-webkit-tap-highlight-color:transparent}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img{max-width:100%}h1,h2,h3,p{margin:0}label{display:grid;gap:8px;font-weight:650}.app-shell{min-height:100dvh;padding-bottom:calc(var(--nav-h) + var(--safe-bottom) + 14px)}.app-shell.landing{padding-bottom:24px;background:#fff}.app-shell.immersive{padding-bottom:0}.app-header-lead{display:flex;align-items:center;gap:8px;min-width:0}.app-header-lead>strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-back{display:grid;place-items:center;flex:0 0 auto;width:40px;height:40px;margin-left:-6px;padding:0;color:#1f2a44;border:0;border-radius:50%;background:transparent;cursor:pointer;transition:background-color .15s;-webkit-tap-highlight-color:transparent}.app-back:hover{background:#1f2a440f}.app-back:active{background:#1f2a441f}.app-back:focus-visible{outline:2px solid #7ea4f4;outline-offset:1px}.app-back svg{width:24px;height:24px;fill:currentColor}.app-header-logo{display:flex;align-items:center;flex:0 0 auto}.app-header-logo img{display:block;width:auto;height:26px}.app-header .nav-links .icon-btn{border-color:transparent;background:transparent;box-shadow:none}.app-header .nav-links .icon-btn:hover{background:#f1f5fb}.app-menu{position:relative}.app-menu-toggle svg{width:22px;height:22px;fill:#33415e}.app-menu-list{position:absolute;top:calc(100% + 6px);right:0;z-index:40;display:grid;min-width:230px;padding:6px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 14px 36px #0d1b4c29}.app-menu-list button{padding:11px 12px;border:0;border-radius:10px;background:transparent;color:var(--text);font-size:15px;font-weight:600;text-align:left}.app-menu-list button:hover{background:#f3f6fb}.app-menu-list button.danger-item{color:var(--danger)}.app-header-search svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}.topbar,.site-header,.app-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;position:sticky;top:0;z-index:15;background:#ffffffeb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);flex-wrap:nowrap}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand small{display:block;font-weight:500;color:var(--muted);font-size:11px;letter-spacing:0}.site-brand-logo{display:block;width:178px;height:48px;object-fit:contain;object-position:left center}.brand-logo-word{--logo-h: 26px;display:inline-flex;align-items:center;gap:calc(var(--logo-h) * .2);height:var(--logo-h);color:#0f1f33;white-space:nowrap}span.brand-logo-word>img{display:block;width:auto;height:calc(var(--logo-h) * .92)}.brand-logo-word>span{font-size:calc(var(--logo-h) * .66);font-weight:800;letter-spacing:-.02em;line-height:1}.site-brand-logo.brand-logo-word{--logo-h: 44px;width:auto;height:var(--logo-h)}.brand-mark{width:32px;height:32px;background:linear-gradient(135deg,#2b6bf3,#6ea8ff);clip-path:polygon(50% 8%,92% 78%,8% 78%);background:#2b6bf3;clip-path:none;border-radius:9px;position:relative}.brand-mark:after{content:"";position:absolute;inset:6px 7px 5px;background:#2b6bf3;clip-path:polygon(50% 0,100% 100%,0 100%);background:#fff}.brand-mark{background:#2b6bf3}.nav-links{display:flex;gap:4px;flex-wrap:nowrap;align-items:center}.nav-links a{color:var(--muted);font-weight:600;padding:8px;white-space:nowrap}.site-language{display:inline-flex;align-items:center;gap:4px;min-height:40px;padding:8px 6px;color:var(--text);border:0;background:transparent;font-weight:700}.site-language span{position:relative;top:-1px}.site-header .nav-links>.primary{min-height:40px;padding:9px 18px;color:#fff;border-radius:12px}.ghost,.primary,.chip,.icon-btn,.danger{border:1px solid var(--line);background:transparent;border-radius:999px;padding:10px 16px;min-height:var(--touch)}.primary{background:var(--accent);color:#fff;font-weight:700;border:0;box-shadow:0 8px 20px #2b6bf340}.primary:disabled,.ghost:disabled{opacity:.45}.danger{border-color:var(--danger);color:var(--danger)}.chip{background:#fff;white-space:nowrap}.chip.active{border-color:var(--accent);color:var(--accent);background:#eaf1ff}.icon-btn{width:var(--touch);padding:0;display:grid;place-items:center;flex:0 0 auto;background:#fff}.text-link{color:var(--accent);font-weight:700}.hero,.section{padding:20px 16px 12px}.hero-title{font-size:clamp(32px,7vw,56px);line-height:1.08;letter-spacing:-.03em}.accent-text{color:var(--accent)}.lede{color:var(--muted);font-size:16px;max-width:42rem;line-height:1.45}.hero-actions,.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.hero-actions .primary,.hero-actions .ghost,.cta-row .primary,.cta-row .ghost{flex:0 1 auto;min-width:160px;text-align:center}.grid{display:grid;gap:12px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:0 10px 30px #0d1b4c0a}.kicker{color:var(--accent);text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:700}.selectors{display:flex;gap:8px;overflow:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.selectors.wrap{flex-wrap:wrap;overflow:visible}.selectors::-webkit-scrollbar{display:none}.price{font-size:32px;font-weight:800}.price small{font-size:14px;color:var(--muted);font-weight:600}.banner{margin:0 16px 8px;padding:10px 14px;border-radius:14px;background:#eaf1ff;color:#1e3a8a;font-size:13px}.bottom-nav{position:fixed;left:0;right:0;bottom:0;height:calc(var(--nav-h) + var(--safe-bottom));padding:6px 6px var(--safe-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fffffff0;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-top:1px solid var(--line);z-index:30}.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;color:var(--muted);min-height:52px;border-radius:14px}.bottom-nav a svg{width:22px;height:22px}.bottom-nav a.active{color:var(--accent);background:#eaf1ff}.bottom-nav .bottom-nav-fab{justify-content:flex-start;gap:3px;background:none}.bottom-nav .bottom-nav-fab.active{background:none}.bottom-nav-fab-disc{display:grid;place-items:center;width:44px;height:44px;margin-top:-14px;border-radius:15px;background:linear-gradient(160deg,#4b86ff,var(--accent));color:#fff;box-shadow:0 4px 12px #2b6bf34d,0 0 0 4px #fff;transition:transform .15s,box-shadow .15s}.bottom-nav-fab:active .bottom-nav-fab-disc{transform:scale(.94)}.bottom-nav-fab.active .bottom-nav-fab-disc{box-shadow:0 6px 16px #2b6bf36b,0 0 0 4px #fff}.bottom-nav-fab-disc svg{width:24px;height:24px}.bottom-nav-fab.offline .bottom-nav-fab-disc{background:linear-gradient(160deg,#98a1b1,#7d8799);box-shadow:0 4px 12px #505a6e40,0 0 0 4px #fff}.bottom-nav-fab.offline .bottom-nav-fab-label{color:#5f6878}.bottom-nav-fab-label{color:var(--accent);font-weight:700}.bell svg{width:22px;height:22px}.app-nav{align-items:center;gap:2px;padding:4px;border-radius:999px;background:#f1f4fa}.app-nav a{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px 0 12px;border-radius:999px;color:#5b6b8c;font-size:15px;font-weight:600;white-space:nowrap;transition:background-color .15s,color .15s,box-shadow .15s}.app-nav a svg{flex:none;width:20px;height:20px}.app-nav a .avatar{flex:none;font-weight:800}.app-nav a:hover{color:#0d1b4c;background:#fff9}.app-nav a.active{color:var(--accent);background:#fff;font-weight:700;box-shadow:0 1px 2px #102a5a14,0 4px 14px #102a5a14}.app-header .app-header-cta{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 20px 0 7px;border-radius:999px;background:linear-gradient(160deg,#4b86ff,var(--accent));color:#fff;font-size:15px;font-weight:700;white-space:nowrap;box-shadow:0 6px 16px #2b6bf347;transition:box-shadow .15s,transform .1s}.app-header .app-header-cta:hover{box-shadow:0 8px 22px #2b6bf366}.app-header .app-header-cta.offline{background:linear-gradient(160deg,#98a1b1,#7d8799);box-shadow:0 6px 16px #505a6e38}.app-header .app-header-cta.offline:hover{box-shadow:0 8px 22px #505a6e4d}.app-header .app-header-cta:active{transform:scale(.98)}.app-header-cta-disc{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#ffffff3d}.app-header-cta-disc svg{width:16px;height:16px}@media(min-width:900px){.app-header{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:20px;height:68px;padding-top:0;padding-bottom:0;background:#ffffffe6;box-shadow:0 1px #e9eef6}.app-header>.app-header-lead{justify-self:start;gap:12px}.app-header>.app-header-actions{justify-self:end;gap:10px}.app-header-logo img{height:32px}.app-header-logo .brand-logo-word{--logo-h: 32px}.app-header-title{padding-left:14px;border-left:1px solid #e1e8f2;color:#33415e;font-size:15px;font-weight:700}.app-header .nav-links .bell{width:44px;height:44px;border-radius:50%;color:#33415e}}.swatch{width:10px;height:10px;border-radius:99px;display:inline-block;margin-right:8px}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.step-scroller{display:flex;gap:12px;overflow:auto;padding-bottom:8px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}.step-scroller .card{min-width:min(78vw,320px);scroll-snap-align:start}.feed{height:100dvh;overflow-y:auto;scroll-snap-type:y mandatory;scroll-behavior:smooth;background:#fff;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.task-card{min-height:100dvh;scroll-snap-align:start;padding:calc(12px + var(--safe-top)) 16px calc(20px + var(--safe-bottom));display:flex;flex-direction:column;gap:10px}.task-progress{color:var(--muted);font-size:13px;display:flex;justify-content:space-between;align-items:center;gap:8px}.dots{display:flex;gap:4px;flex-wrap:wrap;justify-content:center}.dots i{width:6px;height:6px;border-radius:99px;background:#d7e2f5;display:block}.dots i.on{background:var(--accent)}.dots i.ok{background:var(--ok)}.dots i.bad{background:var(--danger)}.prompt{font-size:clamp(22px,6.4vw,34px);line-height:1.25;flex:1}.options{display:grid;gap:8px}.option{text-align:left;padding:14px 16px;border-radius:18px;border:1px solid var(--line);background:var(--bg-soft);min-height:56px;display:flex;align-items:center;gap:12px}.option b{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:#fff;font-size:13px;flex:0 0 auto}.task-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:auto;position:sticky;bottom:0;padding-top:12px;background:linear-gradient(180deg,transparent,#fff 28%)}.task-actions a{display:grid;place-items:center;border-radius:999px;min-height:var(--touch)}.task-actions a.primary{background:var(--accent);color:#fff;font-weight:700}.task-actions a.ghost{border:1px solid var(--line)}.task-actions .wide{grid-column:1 / -1}.option.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.option.correct{border-color:var(--ok);background:#22c55e1f}.option.wrong{border-color:var(--danger);background:#ef44441f}.feedback{border-radius:16px;padding:12px 14px;background:var(--bg-soft);color:var(--muted)}.swipe-hint{text-align:center;color:var(--muted);font-size:12px}.result-ok{color:var(--ok);font-weight:700}.result-bad{color:var(--danger);font-weight:700}.auth-form,.stack,.wizard{display:grid;gap:12px;padding:18px}.wizard{max-width:560px;margin:24px auto}input,select,textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;min-height:48px}input[type=checkbox]{appearance:none;-webkit-appearance:none;display:inline-grid;place-content:center;flex:0 0 auto;width:20px;height:20px;min-height:0;margin:0;padding:0;vertical-align:middle;border:1.5px solid #c5d1e6;border-radius:6px;background:#fff;cursor:pointer;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease}input[type=checkbox]:after{content:"";width:10px;height:5px;margin-top:-2px;border:solid var(--accent);border-width:0 0 2.2px 2.2px;border-radius:1px;transform:rotate(-45deg) scale(0);transition:transform .15s ease}input[type=checkbox]:hover{border-color:#8fb0f5}input[type=checkbox]:checked{border-color:#7ea4f4;background:#eaf1ff}input[type=checkbox]:checked:after{transform:rotate(-45deg) scale(1)}input[type=checkbox]:focus-visible{outline:0;box-shadow:0 0 0 3px #2b6bf333}input[type=checkbox]:disabled{opacity:.5;cursor:default}input[type=radio]{appearance:none;-webkit-appearance:none;display:inline-grid;place-content:center;flex:0 0 auto;width:20px;height:20px;min-height:0;margin:0;padding:0;vertical-align:middle;border:1.5px solid #c5d1e6;border-radius:999px;background:#fff;cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease}input[type=radio]:after{content:"";width:10px;height:10px;border-radius:999px;background:var(--accent);transform:scale(0);transition:transform .15s ease}input[type=radio]:hover{border-color:#8fb0f5}input[type=radio]:checked{border-color:#7ea4f4}input[type=radio]:checked:after{transform:scale(1)}input[type=radio]:focus-visible{outline:0;box-shadow:0 0 0 3px #2b6bf333}input[type=radio]:disabled{opacity:.5;cursor:default}.theory{font-size:18px;line-height:1.55;color:#243358}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}.stat-card b{font-size:28px;display:block}.plan-step{display:grid;gap:4px}.plan-step .kind{font-size:12px;color:var(--accent)}.desktop-nav,.sticky-cta{display:none}.hero-grid{display:grid;gap:18px}.hero-visual{display:grid;gap:12px}.hero-art{width:min(100%,420px);justify-self:center}.map-preview{background:#fff;border:1px solid var(--line);border-radius:24px;padding:16px;box-shadow:0 18px 40px #0d1b4c14}.map-preview-head{display:flex;justify-content:space-between;gap:8px;margin-bottom:10px}.map-preview-head span{color:var(--ok);font-size:13px;font-weight:700}.map-preview-nodes{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.map-preview-node{display:grid;justify-items:center;gap:4px;padding:10px}.map-preview-node i{width:42px;height:42px;border-radius:99px;border:3px solid currentColor;display:grid;place-items:center}.map-preview-node b{font-size:13px}.badge-row{display:flex;gap:16px;color:var(--muted);margin-top:14px;font-size:14px}.how-grid,.goal-grid,.looks-grid,.why-grid{display:grid;gap:12px}.how-card{position:relative;padding-top:20px}.step-num{width:28px;height:28px;border-radius:99px;background:#eaf1ff;color:var(--accent);display:grid;place-items:center;font-weight:800;margin-bottom:8px}.why-card{display:grid;gap:12px;background:#fff;border-radius:22px;padding:16px;border:1px solid var(--line)}.check-list{margin:8px 0 0;padding:0;list-style:none;display:grid;gap:8px;color:var(--text)}.check-list li:before{content:"✓ ";color:var(--ok);font-weight:800}.why-art{width:100%;height:auto;border-radius:16px}.goal-card{background:#fff;border:1px solid var(--line);border-radius:18px;min-height:92px;font-weight:700}.fake-select{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:6px 0 12px;background:#fff}.example-grid{display:grid;gap:16px}.prompt-mini{font-size:28px;font-weight:800;margin:8px 0}.mini-actions{display:flex;gap:8px;flex-wrap:wrap;color:var(--accent);font-size:13px;font-weight:700}.tariff-card{position:relative}.tariff-card.featured{border-color:var(--accent);box-shadow:0 12px 32px #2b6bf329}.popular{position:absolute;top:-10px;right:16px;background:var(--accent);color:#fff;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700}.site-footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:24px 16px 80px;color:var(--muted)}.muted-note{color:var(--muted);font-size:13px}.share-box{display:grid;gap:8px}.share-box code{word-break:break-all;background:var(--bg-soft);padding:10px;border-radius:12px}.modal-backdrop{position:fixed;inset:0;background:#0d1b4c59;display:flex;flex-direction:column;align-items:center;z-index:50;padding:16px;overflow-y:auto;overscroll-behavior:contain}.modal-backdrop>*{flex-shrink:0;margin-top:auto}.modal-card{width:min(100%,480px);margin-bottom:12px}.oauth-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}@media(max-width:899px){.desktop-only{display:none!important}.site-header .nav-links.desktop-only{display:none}.site-header,.topbar,.app-header{height:56px;padding:0 12px 0 16px;box-shadow:0 1px #eef2f8,0 2px 8px #102a5a0f}.site-brand-logo{width:auto;height:26px}.site-brand-logo.brand-logo-word{--logo-h: 26px}.site-language{min-height:32px;padding:0 8px;font-size:13px}.site-header .nav-links>.primary{min-height:32px;padding:0 14px;font-size:13px}.app-shell.landing{padding-bottom:0}.sticky-cta{display:flex;position:sticky;bottom:0;gap:8px;padding:10px 16px calc(10px + var(--safe-bottom));background:linear-gradient(180deg,transparent,#fff 30%);z-index:20}.prompt{flex:0 1 auto}.options{overflow:auto;max-height:42dvh}}@media(min-width:900px){.hero,.section,.site-header,.topbar,.app-header,.site-footer{padding-left:48px;padding-right:48px}.hero-grid{grid-template-columns:1.05fr .95fr;align-items:center}.grid.two,.grid.benefits{grid-template-columns:repeat(2,1fr)}.tariffs{grid-template-columns:repeat(3,1fr)}.how-grid{grid-template-columns:repeat(4,1fr)}.why-grid,.looks-grid{grid-template-columns:1fr 1fr}.goal-grid{grid-template-columns:repeat(2,1fr)}.example-grid{grid-template-columns:1fr 1fr}.map-preview-nodes{grid-template-columns:repeat(5,1fr)}.app-shell{padding-bottom:0}.bottom-nav{display:none}.desktop-nav{display:flex}.mobile-only{display:none!important}.task-card{max-width:720px;margin:0 auto}.hero-title{font-size:56px}.step-scroller{display:grid;grid-template-columns:repeat(5,1fr);overflow:visible}.step-scroller .card{min-width:0}.modal-backdrop>*{margin-bottom:auto}}.social{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 14px;font-weight:600;border:1px solid var(--line, #dde2ee);background:#fff;color:#17203a;cursor:pointer}.social:disabled{opacity:.6;cursor:default}.social-mark{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:6px;font-size:12px;font-weight:800;color:#fff}.social.yandex .social-mark{background:#fc3f1d}.social.vk .social-mark{background:#07f}.claim-switch{margin:2px 0 0;color:#8a93a8;font-size:13.5px;text-align:center}.claim-switch button{padding:0;border:0;background:none;color:#5b6b8c;font:inherit;font-weight:700;text-decoration:underline;text-underline-offset:2px;cursor:pointer}.claim-switch button:hover{color:var(--accent)}.claim-forgot{justify-self:center;color:#7b849c;font-size:13px}.claim-divider{display:flex;align-items:center;gap:12px;color:#7b849c;font-size:13px;margin:4px 0}.claim-divider:before,.claim-divider:after{content:"";flex:1;height:1px;background:var(--line, #dde2ee)}.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#4a5470;line-height:1.4}.consent input{margin-top:3px}.consent a{color:var(--accent, #2b6bf3)}.claim-card .oauth-row{grid-template-columns:1fr}@media(min-width:480px){.claim-card .oauth-row{grid-template-columns:1fr 1fr}}.claim-card{position:relative}.claim-close{position:absolute;top:10px;right:10px;display:grid;place-items:center;width:36px;height:36px;padding:0;border:0;border-radius:50%;background:transparent;color:#8a93a8;font-size:24px;line-height:1}.claim-close:hover{background:var(--bg-soft, #f3f6fb);color:#4a5470}.claim-reason{margin:0 36px 2px 0;padding:10px 14px;border-radius:12px;background:var(--accent-soft, #e8f1ff);color:#1d3a7a;font-size:14.5px;line-height:1.4}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip.danger{color:var(--danger, #d64545)}.home-card{display:grid;gap:8px}.home-links{display:flex;gap:14px}a.button.primary{text-decoration:none;text-align:center;display:inline-block}.level-bar{height:10px;border-radius:6px;background:var(--surface-2, #eef0f4);overflow:hidden}.level-bar-fill{height:100%;background:var(--accent);border-radius:6px;transition:width .3s ease}.achievement-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}.achievement-rail{display:grid;grid-auto-flow:column;grid-auto-columns:150px;gap:10px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}.achievement-rail.two-rows{grid-template-rows:repeat(2,auto);grid-auto-flow:column}.achievement-rail .achievement{scroll-snap-align:start;align-content:start}.achievement-rail::-webkit-scrollbar{height:6px}.achievement-rail::-webkit-scrollbar-thumb{background:#dbe3ef;border-radius:99px}.achievement{display:grid;gap:2px;padding:10px;border-radius:12px;background:var(--surface-2, #f3f4f7);opacity:.45;text-align:center}.achievement.earned{opacity:1;background:var(--accent-soft, #e8f1ff)}.achievement-icon{font-size:26px}.achievement-title{font-size:13px;font-weight:600}.leaderboard{list-style:none;margin:0;padding:0;display:grid;gap:6px}.leaderboard li>span:first-child,.leaderboard li>.avatar{grid-row:span 2}.leaderboard li>span:last-child{grid-column:3;color:var(--muted);font-size:12.5px}.leaderboard li{display:grid;grid-template-columns:24px 30px minmax(0,1fr);row-gap:0;column-gap:10px;align-items:center;font-size:14px;padding:6px 8px;border-radius:8px}.leaderboard li.me{background:var(--accent-soft, #e8f1ff)}.theory-tabs{display:flex;gap:6px;flex-wrap:wrap}.theory-tabs .chip.active{background:var(--accent);color:#fff}.glossary dt{font-weight:600;margin-top:8px}.glossary dd{margin:0 0 4px;color:var(--muted, #555)}.bell{position:relative}.bell .badge{position:absolute;top:2px;right:2px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:#e5484d;color:#fff;font-size:10px;line-height:16px;text-align:center}.notification{display:grid;gap:4px;text-align:left}.notification.unread{border-left:3px solid var(--accent)}.pref-table{width:100%;border-collapse:collapse;font-size:14px}.pref-table th,.pref-table td{padding:6px 4px;text-align:center}.pref-table td:first-child,.pref-table th:first-child{text-align:left}.claim-skip{display:block;margin:14px auto 0;background:none;border:0;color:#9aa3b5;font-size:13px;text-decoration:underline;cursor:pointer;padding:6px}.claim-skip:hover{color:#6b7280}.promo-box{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}.promo-box p{grid-column:1 / -1;margin:0}.ok-note{color:#15803d;font-size:14px}.promo-modal{text-align:center;display:grid;gap:10px;justify-items:center}.promo-modal-icon{font-size:40px}.promo-modal h2{margin:0}.tests-link{display:flex;align-items:center;justify-content:space-between;gap:12px}.tests-link span{display:grid;gap:3px}.tests-link small{color:#78849b;font-size:12px}.profile-offline{margin:0;padding:10px 12px;border-radius:12px;background:#f1f3f6;color:#4c5568;font-size:13.5px;font-weight:600;line-height:1.4}.tests-link i{color:#0874e8;font-size:22px;font-style:normal}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.avatar{display:inline-grid;place-items:center;flex:0 0 auto;overflow:hidden;border-radius:999px;font-weight:800;letter-spacing:.01em;line-height:1;-webkit-user-select:none;user-select:none}.avatar img{width:100%;height:100%;object-fit:cover}.profile-hero{display:grid;gap:16px;padding:18px;border-radius:26px;background:radial-gradient(120% 90% at 0% 0%,#e3edff,#f4f8ff 45%,#fff);border-color:#d6e3fb}.profile-hero-who{display:flex;align-items:center;gap:14px;min-width:0}.profile-avatar{position:relative;flex:0 0 auto;padding:3px;border:0;border-radius:999px;background:#fff;box-shadow:0 6px 18px #2b6bf32e}button.profile-avatar{cursor:pointer}.profile-avatar-edit{position:absolute;right:-2px;bottom:-2px;display:grid;place-items:center;width:28px;height:28px;border:2px solid #fff;border-radius:999px;background:var(--accent);color:#fff}.profile-avatar-edit svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}.profile-hero-name{display:grid;gap:2px;min-width:0}.profile-hero-name h1{margin:0;color:#0d1b4c;font-size:24px;font-weight:800;letter-spacing:-.01em;overflow-wrap:anywhere}.profile-hero-name p{margin:0;color:var(--muted);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.profile-stat{display:grid;justify-items:center;gap:2px;padding:10px 6px;border:1px solid #e3ebf7;border-radius:16px;background:#ffffffd9}.profile-stat b{color:#0d1b4c;font-size:22px;font-weight:800;line-height:1.1}.profile-stat small{color:var(--muted);font-size:12px;font-weight:600}.profile-stat-icon{display:grid;place-items:center;width:26px;height:26px;border-radius:999px;font-size:13px}.profile-stat-icon.xp{background:#fff3cc;color:#c98a00}.profile-stat-icon.streak{background:#ffe8dc}.profile-stat-icon.level{background:#e0ebff;color:var(--accent);font-size:11px}.profile-level{display:grid;gap:6px}.profile-level small{color:var(--muted);font-size:12.5px}.account-dialog{gap:12px}.account-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.account-dialog-head h2{margin:0;font-size:19px}.account-dialog-head .icon-btn{border-color:transparent;font-size:22px}.public-profile{display:grid;gap:10px}.public-profile-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.public-profile-head h2{margin:0;font-size:17px}.public-profile-note{margin:0;color:var(--muted);font-size:13.5px;line-height:1.45}.public-profile-card{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e3ebf7;border-radius:16px;background:#f8fbff;transition:opacity .15s}.public-profile-card.off{opacity:.55}.public-profile-name{display:grid;gap:1px;flex:1;min-width:0}.public-profile-name b{overflow:hidden;color:#0d1b4c;font-size:16px;text-overflow:ellipsis;white-space:nowrap}.public-profile-name small{color:var(--muted);font-size:12px}.public-profile-change{display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;padding:7px 12px;border:1px solid #d9e5f8;border-radius:999px;background:#fff;color:#2459c9;font-size:13.5px;font-weight:700}.public-profile-change:hover{background:#f2f7ff}.public-profile-change svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}.public-profile-edit{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.public-profile-edit input{flex:1;min-width:0;min-height:40px;padding:8px 12px;border-radius:12px}.public-profile-save{flex:0 0 auto;min-height:40px;padding:0 14px;border:0;border-radius:12px;background:var(--accent);color:#fff;font-weight:700}.switch{position:relative;display:inline-flex;flex:0 0 auto;cursor:pointer}.switch input{position:absolute;width:1px;height:1px;opacity:0}.switch i{position:relative;width:44px;height:26px;border-radius:999px;background:#d5deec;transition:background .18s ease}.switch i:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:999px;background:#fff;box-shadow:0 1px 3px #0d1b4c40;transition:transform .18s ease}.switch input:checked+i{background:var(--accent)}.switch input:checked+i:after{transform:translate(18px)}.switch input:focus-visible+i{box-shadow:0 0 0 3px #2b6bf340}.avatar-dialog-preview{display:grid;place-items:center;padding:4px 0}.avatar-dialog-public{display:flex;gap:10px;align-items:flex-start;margin:0;padding:10px 12px;border-radius:14px;background:#fff7e6;color:#6b4a00;font-size:14px;line-height:1.45}.avatar-dialog-public svg{flex:0 0 auto;width:18px;height:18px;margin-top:1px;fill:none;stroke:currentColor;stroke-width:1.8}.avatar-dialog-remove{color:var(--danger)}.info-tip{position:relative;display:inline-block;margin-left:8px;vertical-align:middle;line-height:1}.info-tip>button{display:grid;place-items:center;width:19px;height:19px;min-height:0;padding:0;border:1px solid #c9d4e6;border-radius:50%;background:#fff;color:#6b7a96;font:italic 700 12px/1 Georgia,Times New Roman,serif;cursor:help}.info-tip>button:hover,.info-tip.open>button{border-color:#9fb3d6;color:#2459c9}.info-tip-pop{position:absolute;top:calc(100% + 8px);right:-10px;z-index:40;width:max-content;max-width:min(240px,72vw);padding:8px 11px;border-radius:10px;background:#1b2540;color:#fff;box-shadow:0 10px 26px #10204838;font:500 12.5px/1.45 Onest,Segoe UI,sans-serif;letter-spacing:0;text-align:left;text-transform:none;white-space:normal;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s,transform .15s,visibility .15s;pointer-events:none}.info-tip:hover .info-tip-pop,.info-tip:focus-within .info-tip-pop,.info-tip.open .info-tip-pop{opacity:1;visibility:visible;transform:none}