.learnfeed{--learnfeed-tone-0:#abf0ff;--learnfeed-tone-1:#ebacff;--learnfeed-tone-2:#bec7ff;--learnfeed-tone-3:#ff9889;--learnfeed-tone-4:#ffe57f;z-index:1000;color:var(--lekivo-ink);font-family:var(--lekivo-font);background:#f8faff;grid-template-rows:5px auto minmax(0,1fr);display:grid;position:fixed;inset:0}.learnfeed:focus{outline:none}.learnfeed :focus-visible{outline:2px solid var(--lekivo-blue);outline-offset:2px}.learnfeed-rail{background:#fff;gap:3px;display:flex}.learnfeed-rail>span{background:var(--lekivo-line);transform-origin:top;flex:1;transition:background-color .25s,transform .25s}.learnfeed-rail>.is-seen.is-tone-0{background:var(--learnfeed-tone-0)}.learnfeed-rail>.is-seen.is-tone-1{background:var(--learnfeed-tone-1)}.learnfeed-rail>.is-seen.is-tone-2{background:var(--learnfeed-tone-2)}.learnfeed-rail>.is-seen.is-tone-3{background:var(--learnfeed-tone-3)}.learnfeed-rail>.is-seen.is-tone-4{background:var(--learnfeed-tone-4)}.learnfeed-rail>.is-active{transform:scaleY(1.8)}.learnfeed-header{border-bottom:1px solid var(--lekivo-line);background:#fff;align-items:center;gap:12px;padding:12px 20px;display:flex}.learnfeed-title{flex-direction:column;gap:2px;min-width:0;margin-right:auto;display:flex}.learnfeed-title strong{letter-spacing:-.6px;font-size:18px;font-weight:700}.learnfeed-title span{color:var(--lekivo-body);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.learnfeed-clock{border:1px solid var(--lekivo-line);color:var(--lekivo-body);white-space:nowrap;background:#f8faff;border-radius:100px;align-items:center;gap:6px;padding:7px 12px;font-size:12px;display:inline-flex}.learnfeed-clock.is-over{color:var(--lekivo-blue);background:var(--lekivo-blue-soft);border-color:#d5e5ff}.learnfeed .learnfeed-return{gap:7px;min-height:38px;padding:0 16px;font-size:13px}.learnfeed-close{border:1px solid var(--lekivo-line);width:40px;height:40px;color:var(--lekivo-body);cursor:pointer;background:#fff;border-radius:50%;flex-shrink:0;place-items:center;display:grid}.learnfeed-close:hover{background:var(--lekivo-blue-soft);color:var(--lekivo-blue)}.learnfeed-stage{overscroll-behavior:contain;overflow-anchor:none;scroll-snap-type:y mandatory;scrollbar-width:none;min-height:0;overflow-y:auto}.learnfeed-stage::-webkit-scrollbar{display:none}.learnfeed-slide{box-sizing:border-box;scroll-snap-align:start;scroll-snap-stop:always;justify-content:center;height:100%;padding:18px 16px 16px;display:flex}.learnfeed-card{flex-direction:column;gap:12px;width:min(100%,460px);height:100%;min-height:0;display:flex;position:relative}.learnfeed-media{flex:1;place-items:center;min-height:0;display:grid;container-type:size}.learnfeed-video-frame{aspect-ratio:9/16;background:#000;border-radius:22px;height:min(100cqh,177.778cqw);position:relative;overflow:hidden;box-shadow:10px 16px 30px #0d6efd1a}.learnfeed-video-frame :is(iframe,img){object-fit:cover;border:0;width:100%;height:100%;position:absolute;inset:0}.learnfeed-video-play{width:64px;height:64px;color:var(--lekivo-blue);background:#ffffffe0;border-radius:50%;place-items:center;margin:auto;display:grid;position:absolute;inset:0}.learnfeed-caption{flex-direction:column;gap:3px;padding:0 4px;display:flex}.learnfeed-caption strong{letter-spacing:-.3px;font-size:16px;font-weight:650;line-height:1.3}.learnfeed-caption span{color:var(--lekivo-body);font-size:13px;line-height:1.5}.learnfeed-caption small{color:#6b6b85;font-size:11px}.learnfeed-slide.is-memory .learnfeed-caption{margin-bottom:auto}.learnfeed-slide.is-video .learnfeed-caption{text-align:center;align-items:center}.learnfeed-hint{border:1px solid var(--lekivo-line);color:var(--lekivo-body);background:#fff;border-radius:100px;align-self:center;align-items:center;gap:5px;margin:0;padding:5px 12px;font-size:12px;display:inline-flex}.learnfeed-memory{border:1px solid var(--lekivo-line);background:#fff;border-radius:22px;flex-direction:column;flex:0 auto;justify-content:center;gap:16px;min-height:0;margin-top:auto;padding:22px 18px;display:flex;overflow-y:auto}.learnfeed-memory-heading h2{letter-spacing:-.6px;margin:0 0 4px;font-size:22px;font-weight:650;line-height:1.25}.learnfeed-memory-heading p{min-height:1.5em;color:var(--lekivo-body);margin:0;font-size:13px}.learnfeed-memory-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.learnfeed-memory-card{border:1px solid var(--lekivo-line);min-height:92px;color:var(--lekivo-ink);font:inherit;text-align:center;overflow-wrap:anywhere;cursor:pointer;background:#f8faff;border-radius:14px;place-items:center;padding:12px;font-size:13px;line-height:1.45;transition:background-color .18s,border-color .18s;display:grid;position:relative}.learnfeed-memory-card:not(:disabled):hover{border-color:var(--lekivo-blue)}.learnfeed-memory-card:disabled{cursor:default}.learnfeed-memory-back{background:conic-gradient(var(--learnfeed-tone-0) 0 20%, var(--learnfeed-tone-1) 0 40%, var(--learnfeed-tone-2) 0 60%, var(--learnfeed-tone-3) 0 80%, var(--learnfeed-tone-4) 0);border-radius:50%;width:26px;height:26px}.learnfeed-memory-card.is-visible{border-color:var(--lekivo-blue);background:#fff}.learnfeed-memory-card.is-term.is-visible{font-weight:650}.learnfeed-memory-card.is-matched{animation:.28s ease-out learnfeed-pop}.learnfeed-memory-card.is-matched>svg{color:var(--lekivo-ink);position:absolute;bottom:8px;right:8px}.learnfeed-memory-card.is-tone-0{border-color:var(--learnfeed-tone-0);background:#e4fbff}.learnfeed-memory-card.is-tone-1{border-color:var(--learnfeed-tone-1);background:#f9e9ff}.learnfeed-memory-card.is-tone-2{border-color:var(--learnfeed-tone-2);background:#eef0ff}.learnfeed-memory-card.is-tone-3{border-color:var(--learnfeed-tone-3);background:#ffe9e6}.learnfeed-memory-card.is-tone-4{border-color:var(--learnfeed-tone-4);background:#fff8d9}.learnfeed .learnfeed-next{align-self:center;gap:6px}@keyframes learnfeed-pop{50%{transform:scale(1.04)}}.learnfeed-end{justify-content:center;padding:0 8px}.learnfeed-end h2{letter-spacing:-1px;margin:0;font-size:30px;font-weight:700;line-height:1.15}.learnfeed-end p{color:var(--lekivo-body);margin:0;font-size:14px;line-height:1.6}.learnfeed-end .learnfeed-note{color:#6b6b85;font-size:12px}.learnfeed-topics{flex-wrap:wrap;gap:8px;margin:4px 0;padding:0;list-style:none;display:flex}.learnfeed-topics li{background:var(--lekivo-blue-soft);color:var(--lekivo-blue);border-radius:100px;padding:6px 12px;font-size:13px}.learnfeed-end-actions{flex-wrap:wrap;gap:10px;margin-top:6px;display:flex}.learnfeed-loading{color:var(--lekivo-body);flex-direction:column;align-items:center;gap:10px;font-size:13px;display:flex}.learnfeed-nav{flex-direction:column;gap:10px;display:flex;position:fixed;top:50%;right:24px;transform:translateY(-50%)}.learnfeed-nav button{border:1px solid var(--lekivo-line);width:46px;height:46px;color:var(--lekivo-blue);cursor:pointer;background:#fff;border-radius:50%;place-items:center;display:grid}.learnfeed-nav button:hover:not(:disabled){background:var(--lekivo-blue-soft)}.learnfeed-nav button:disabled{opacity:.4;cursor:default}.learnfeed-entry{border:1px solid var(--lekivo-line);background:#fff;border-radius:20px;align-items:center;gap:18px;margin-bottom:18px;padding:18px 20px;display:flex;position:relative;overflow:hidden}.learnfeed-entry:before{content:"";background:var(--lekivo-color-strip);height:4px;position:absolute;inset:0 0 auto}.learnfeed-entry>div{flex:1;min-width:0}.learnfeed-entry h2{letter-spacing:-.4px;margin:0 0 4px;font-size:18px;font-weight:650}.learnfeed-entry p{color:var(--lekivo-body);margin:0;font-size:13px;line-height:1.55}.learnfeed-entry .button{flex-shrink:0;gap:7px}@media (width<=760px){.learnfeed-header{gap:8px;padding:10px 12px}.learnfeed-title span{display:none}.learnfeed-clock{padding:6px 10px;font-size:11px}.learnfeed .learnfeed-return{padding:0 12px}.learnfeed-slide{padding:10px 10px 12px}.learnfeed-nav{display:none}.learnfeed-memory{padding:18px 14px}.learnfeed-entry{flex-direction:column;align-items:stretch}}@media (width<=420px){.learnfeed-clock{display:none}}@media (prefers-reduced-motion:reduce){.learnfeed-rail>span,.learnfeed-memory-card{transition:none}.learnfeed-memory-card.is-matched{animation:none}}.study-workspace{width:100%}.study-points-counter-slot{top:max(8px, env(safe-area-inset-top));z-index:36;justify-content:flex-end;margin-bottom:12px;display:flex;position:sticky}.study-points-counter-slot.is-focused{top:max(24px, env(safe-area-inset-top));left:max(28px, env(safe-area-inset-left));z-index:36;margin:0;position:fixed}.study-points-counter{border:1px solid var(--lekivo-line);min-height:34px;color:var(--lekivo-body);font-variant-numeric:tabular-nums;background:#fff;border-radius:999px;align-items:center;gap:8px;padding:6px 12px;font-size:12px;line-height:1.2;display:flex}.study-points-counter>span{color:var(--lekivo-body)}.study-points-counter-value{color:var(--lekivo-ink);font-weight:600;display:inline-block}.study-points-counter-value.is-changing{animation:.18s ease-out study-points-update}@keyframes study-points-update{0%{opacity:.82;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}.study-page-header{justify-content:space-between;align-items:center;gap:24px;margin-bottom:35px;display:flex}.study-page-header .eyebrow{flex-wrap:wrap;align-items:center;gap:9px;margin:0 0 14px;display:flex}.study-page-header .page-heading{font:36px/1.2 var(--lekivo-font);letter-spacing:-1.1px;margin:0 0 12px;font-weight:400;display:block}.study-page-header .muted{margin:0;font-size:15px}.study-live-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:7px;height:7px}.study-setup-layout{grid-template-columns:minmax(0,1.8fr) minmax(270px,1fr);align-items:start;gap:28px;display:grid}.study-setup-card{padding:35px 36px 27px}.study-section-intro{align-items:center;gap:16px;margin-bottom:32px;display:flex}.study-section-symbol{border:1px solid var(--lekivo-line);width:48px;height:48px;color:var(--green);background:#f2f5ec;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.study-section-intro .eyebrow{margin:0 0 6px;font-size:10px}.study-section-intro h2{font-family:var(--lekivo-font);letter-spacing:-.6px;margin:0;font-size:26px;font-weight:400;line-height:1.2}.study-step{gap:20px;padding-bottom:27px;display:flex;position:relative}.study-start-sound{margin-bottom:29px}.study-start-sound .study-sound{background:#f8faff;padding:16px 18px}.study-start-sound .study-audio-note{margin-top:9px}.study-step:not(.study-step-last):before{content:"";background:var(--line);width:1px;position:absolute;top:33px;bottom:4px;left:13px}.study-step-number{border:1px solid var(--lekivo-line);width:28px;height:28px;color:var(--lekivo-body);background:var(--paper);border-radius:50%;flex-shrink:0;place-items:center;margin-top:1px;font-size:10px;display:grid}.study-step-content{flex:1;min-width:0}.study-field-label{color:var(--ink);margin:5px 0 12px;font-size:13px;font-weight:600;display:block}.study-step-content select,.study-step-content textarea{border:1px solid var(--lekivo-line);width:100%;color:var(--ink);font:inherit;background:#f8faff;border-radius:8px;padding:13px 15px;font-size:14px;line-height:1.65;display:block}.study-step-content select{appearance:auto;min-height:49px;padding-right:22px}.study-step-content textarea{resize:vertical;min-height:102px}.study-step-content select:focus,.study-step-content textarea:focus{outline:2px solid var(--lekivo-body);outline-offset:2px}.study-field-help{color:var(--muted-ink);margin:9px 0 0;font-size:11px;line-height:1.65}.study-field-help a{color:var(--green);text-underline-offset:2px;text-decoration:underline}.study-count-fieldset{border:0;margin:0;padding:0}.study-count-fieldset legend{float:left;width:100%;padding:0}.study-count-options{clear:both;grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.study-count-choice{border:1px solid var(--line);cursor:pointer;border-radius:7px;justify-content:center;align-items:baseline;gap:7px;padding:13px 10px;display:flex;position:relative}.study-count-choice input,.study-answer-option input{opacity:0;width:1px;height:1px;position:absolute}.study-count-choice strong{font-size:19px;font-weight:500}.study-count-choice span{color:var(--muted-ink);font-size:10px}.study-count-choice>svg{position:absolute;top:6px;right:7px}.study-count-choice.is-selected{color:var(--green);border-color:var(--lekivo-blue);background:#edf2e9}:is(.study-count-choice:has(input:focus-visible),.study-answer-option:has(input:focus-visible)){outline:2px solid var(--green);outline-offset:3px}.study-setup-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;padding-top:24px;display:flex}.study-setup-footer>span{color:var(--muted-ink);align-items:center;gap:6px;font-size:11px;display:flex}.study-setup-footer>span svg{color:var(--lekivo-blue)}.study-setup-footer .button{white-space:nowrap}.study-setup-aside{flex-direction:column;gap:17px;display:flex}.study-calm-card{border:1px solid var(--lekivo-line);background:var(--lekivo-line);border-radius:13px;padding:0 28px 27px;overflow:hidden}.study-calm-art{height:200px;margin:0 -28px 5px;position:relative;overflow:hidden}.study-art-sun{background:#dec69b;border-radius:50%;width:70px;height:70px;position:absolute;top:28px;left:56%}.study-art-arch{border:1px solid var(--lekivo-blue-soft);border-bottom:0;border-radius:160px 160px 0 0;position:absolute;bottom:29px}.study-art-arch-one{width:174px;height:144px;left:14%}.study-art-arch-two{width:146px;height:129px;left:calc(14% + 14px)}.study-art-ground{background:var(--lekivo-line);border-top:1px solid var(--lekivo-line);height:38px;position:absolute;bottom:0;left:0;right:0}.study-art-leaf{background:var(--lekivo-blue);border-radius:80% 0;width:37px;height:58px;position:absolute;bottom:49px}.study-art-leaf-one{left:62%;transform:rotate(-18deg)}.study-art-leaf-two{background:var(--lekivo-body);width:27px;height:44px;bottom:62px;left:72%;transform:rotate(65deg)}.study-art-stem{background:var(--lekivo-blue);width:1px;height:76px;position:absolute;bottom:17px;left:72%;transform:rotate(-15deg)}.study-calm-card .eyebrow{color:var(--lekivo-blue);margin:4px 0 14px;font-size:9px}.study-calm-card h2{font-family:var(--lekivo-font);letter-spacing:-1px;color:var(--lekivo-blue);margin:0 0 15px;font-size:34px;font-weight:400;line-height:1.1}.study-calm-card>p:not(.eyebrow){color:var(--lekivo-body);max-width:280px;margin:0;font-size:12px;line-height:1.8}.study-calm-sequence{border-top:1px solid var(--lekivo-line);color:var(--lekivo-blue);justify-content:space-between;align-items:center;gap:5px;margin-top:24px;padding-top:17px;font-size:10px;display:flex}.study-calm-sequence span{align-items:center;gap:5px;display:flex}.study-sound{border:1px solid var(--line);background:var(--paper);border-radius:11px;padding:19px 18px}.study-sound-main{align-items:center;gap:12px;display:flex}.study-sound-icon{color:var(--lekivo-body);flex-shrink:0}.study-sound-main>div{flex:1}.study-sound strong{font-size:12px;font-weight:500}.study-sound p{color:var(--muted-ink);margin:5px 0 0;font-size:10px;line-height:1.6}.study-sound-toggle{border:1px solid var(--lekivo-line);width:34px;height:34px;color:var(--green);cursor:pointer;background:#f1f4ec;border-radius:50%;flex-shrink:0;place-items:center;display:grid}.study-sound-toggle[aria-pressed=true]{background:var(--green);color:#fff;border-color:var(--green)}.study-sound-toggle:disabled{opacity:.45;cursor:default}.study-volume{color:var(--muted-ink);align-items:center;gap:9px;padding-top:18px;font-size:10px;display:flex}.study-volume input{min-width:0;accent-color:var(--green);flex:1}.study-audio-note{color:var(--muted-ink);align-items:center;gap:7px;margin:-4px 0 0;padding-left:8px;font-size:10px;display:flex}.study-active-layout{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:25px;display:grid}.study-main-column{min-width:0}.study-session-status{align-items:center;gap:22px;margin-bottom:20px;display:flex}.study-session-progress{flex:1;min-width:90px}.study-session-progress>div:first-child{justify-content:space-between;align-items:center;margin-bottom:9px;font-size:11px;display:flex}.study-session-progress strong{color:var(--muted-ink);font-size:10px;font-weight:500}.study-session-progress-track,.study-concept-track{background:var(--lekivo-line);border-radius:10px;height:4px;overflow:hidden}.study-session-progress-track>span,.study-concept-track>span{background:var(--lekivo-blue);border-radius:inherit;height:100%;transition:width .3s;display:block}.study-focus-clock{color:var(--muted-ink);font-variant-numeric:tabular-nums;align-items:center;gap:8px;min-width:65px;font-size:13px;display:flex}.study-focus-clock.is-expired{color:#8d6c3a;font-size:11px}.study-session-status .button{padding:10px 13px;font-size:11px}.study-question-card{padding:34px 35px 25px}.study-question-topline{justify-content:space-between;align-items:center;gap:14px;margin-bottom:22px;display:flex}.study-content-kicker{color:var(--lekivo-body);align-items:center;gap:8px;margin:0;font-size:11px;display:flex}.study-question-title{font-family:var(--lekivo-font);letter-spacing:-.5px;white-space:pre-line;margin:0 0 15px;font-size:28px;font-weight:400;line-height:1.35}.study-question-title:focus,.study-theory h2:focus,.study-complete h2:focus{outline:none}.study-question-instruction{color:var(--muted-ink);margin:0 0 24px;font-size:12px}.study-answer-options{border:0;flex-direction:column;gap:10px;margin:0;padding:0;display:flex}.study-answer-option{border:1px solid var(--line);cursor:pointer;border-radius:8px;align-items:center;gap:13px;min-height:55px;padding:13px 15px;font-size:14px;line-height:1.55;transition:border-color .15s,background .15s;display:flex;position:relative}.study-answer-options:not(:disabled) .study-answer-option:hover{border-color:var(--lekivo-body);background:#f8faf4}.study-option-letter{width:27px;height:27px;color:var(--lekivo-body);background:#f8faff;border:1px solid #e3e4da;border-radius:6px;flex-shrink:0;place-items:center;font-size:11px;font-weight:500;display:grid}.study-answer-option.is-selected{border-color:var(--lekivo-blue);background:var(--lekivo-line)}.study-answer-option.is-selected .study-option-letter{background:var(--lekivo-line);border-color:var(--lekivo-line);color:var(--lekivo-blue)}.study-answer-option.is-correct{border-color:var(--lekivo-blue);background:var(--lekivo-line)}.study-answer-option.is-correct .study-option-letter{background:var(--lekivo-blue);color:#fff;border-color:var(--lekivo-blue)}.study-answer-option.is-incorrect{background:#f8faff;border-color:#d1ae91}.study-answer-options:disabled .study-answer-option{cursor:default}.study-hint,.study-feedback{color:#78673f;background:#f8faff;border:1px solid #e7dfc9;border-radius:8px;align-items:flex-start;gap:12px;margin-top:19px;padding:17px 18px;display:flex}.study-hint>svg,.study-feedback-icon{flex-shrink:0;margin-top:1px}.study-hint strong,.study-feedback strong{font-size:13px;font-weight:600}.study-hint p,.study-feedback p{white-space:pre-line;margin:7px 0 0;font-size:12px;line-height:1.8}.study-feedback-correct{background:var(--lekivo-line);border-color:var(--lekivo-line);color:var(--lekivo-blue)}.study-feedback small{margin-top:8px;font-size:10px;display:block}.study-source{color:var(--muted-ink);align-items:center;gap:7px;margin:19px 0 23px;font-size:10px;display:flex}.study-source svg{flex-shrink:0}.study-question-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:14px;padding-top:22px;display:flex}.study-question-footer .muted{font-size:11px}.study-question-footer .button-ghost{color:var(--lekivo-body);padding-left:0;font-size:11px}.study-save-note{color:var(--muted-ink);justify-content:center;align-items:center;gap:7px;margin-top:17px;font-size:10px;line-height:1.6;display:flex}.study-save-note svg{color:var(--lekivo-body);flex-shrink:0}.study-progress-aside{flex-direction:column;gap:17px;padding-top:1px;display:flex}.study-path-panel{padding:24px 23px}.study-path-panel .eyebrow{margin:0 0 10px;font-size:9px}.study-path-panel h2{font-family:var(--lekivo-font);letter-spacing:-.5px;margin:0 0 19px;font-size:23px;font-weight:400}.study-goal{align-items:flex-start;gap:9px;margin:0 0 17px;font-size:11px;line-height:1.85;display:flex}.study-goal svg{color:var(--lekivo-blue);flex-shrink:0;margin-top:2px}.study-next-reason{background:var(--lekivo-line);color:var(--lekivo-blue);border-radius:7px;gap:9px;margin:0 -3px 23px;padding:13px;display:flex}.study-next-reason svg{flex-shrink:0;margin-top:2px}.study-next-reason p{margin:0;font-size:10px;line-height:1.85}.study-path-panel h3{border-top:1px solid var(--line);margin:0 0 16px;padding-top:22px;font-size:11px;font-weight:600}.study-concept-list{flex-direction:column;gap:17px;display:flex}.study-concept>div:first-child{justify-content:space-between;gap:8px;margin-bottom:7px;font-size:10px;line-height:1.5;display:flex}.study-concept strong{white-space:nowrap;color:var(--muted-ink);font-size:9px;font-weight:500}.study-concept small{color:var(--muted-ink);margin-top:6px;font-size:9px;display:block}.study-uncertainty-note{color:var(--muted-ink);margin:22px 0 0;font-size:9px;line-height:1.85}.study-sound-compact{padding:15px}.study-sound-compact .study-sound-main{gap:9px}.study-sound-compact .study-sound-main p{font-size:9px}.study-theory>.study-content-kicker{margin-bottom:18px}.study-theory h2{font-family:var(--lekivo-font);letter-spacing:-.5px;margin:0 0 13px;font-size:30px;font-weight:400;line-height:1.25}.study-theory-intro{color:var(--muted-ink);margin-bottom:26px;font-size:12px;line-height:1.75}.study-theory-content{background:#f8faff;border:1px solid #e5e5d9;border-radius:9px;padding:24px 25px;font-size:14px;line-height:1.95}.study-theory-content p{white-space:pre-line;margin:0 0 15px}.study-theory-content p:last-child{margin-bottom:0}.study-complete{text-align:center;padding:12px 5px 9px}.study-complete-icon{width:74px;height:74px;color:var(--lekivo-blue);border:1px solid var(--lekivo-line);background:var(--lekivo-line);border-radius:50%;place-items:center;margin:0 auto 23px;display:grid}.study-complete .eyebrow{font-size:9px}.study-complete h2{font-family:var(--lekivo-font);letter-spacing:-.6px;margin:13px 0 14px;font-size:30px;font-weight:400;line-height:1.3}.study-complete>.muted{max-width:385px;margin:0 auto;font-size:12px;line-height:1.85}.study-complete-stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);margin:29px 0 15px;padding:24px 0;display:grid}.study-complete-stats>div+div{border-left:1px solid var(--line)}.study-complete-stats strong{font-size:29px;font-family:var(--lekivo-font);color:var(--lekivo-blue);margin-bottom:7px;font-weight:400;display:block}.study-complete-stats span{color:var(--muted-ink);font-size:10px}.study-complete-note{color:var(--muted-ink);font-size:10px;line-height:1.6}.study-complete-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:27px;display:flex}.study-break-layout{grid-template-columns:minmax(0,1fr) 260px;align-items:start;gap:35px;display:grid}.study-memory-panel{padding:29px 31px 23px}.study-memory-heading{justify-content:space-between;align-items:flex-start;gap:15px;display:flex}.study-memory-heading h2{font-family:var(--lekivo-font);letter-spacing:-.6px;margin:15px 0 12px;font-size:30px;font-weight:400;line-height:1.25}.study-memory-heading p:not(.study-content-kicker){color:var(--muted-ink);margin:0;font-size:12px;line-height:1.8}.study-memory-symbol{background:var(--lekivo-line);width:52px;height:52px;color:var(--lekivo-blue);border-radius:50%;flex-shrink:0;place-items:center;display:grid}.study-memory-meta{color:var(--muted-ink);justify-content:space-between;align-items:center;margin:25px 0 13px;font-size:10px;display:flex}.study-memory-meta strong{color:var(--lekivo-blue);margin-right:5px;font-weight:500}.study-memory-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;display:grid}.study-memory-card{border:1px solid var(--lekivo-line);background:var(--lekivo-line);cursor:pointer;min-height:132px;color:var(--lekivo-blue);border-radius:9px;flex-direction:column;justify-content:center;align-items:center;gap:13px;padding:13px 10px;transition:background .15s,border-color .15s;display:flex;position:relative}.study-memory-card:not(:disabled):hover{background:var(--lekivo-line);border-color:var(--lekivo-blue)}.study-memory-card:disabled{cursor:default}.study-memory-card-mark{border:1px solid var(--lekivo-line);border-radius:50%;place-items:center;width:40px;height:40px;display:grid}.study-memory-card-number{color:var(--lekivo-body);font-size:9px}.study-memory-card.is-visible{color:var(--ink);overflow-wrap:anywhere;background:#f8faff;border-color:#d8d9c6;font-size:11px;line-height:1.7}.study-memory-card.is-matched{border-color:var(--lekivo-blue);background:var(--lekivo-line);color:var(--lekivo-blue)}.study-memory-card.is-matched>svg{position:absolute;bottom:7px;right:7px}.study-memory-feedback{color:var(--lekivo-blue);align-items:center;gap:8px;min-height:47px;padding:14px 0 6px;font-size:11px;line-height:1.6;display:flex}.study-memory-feedback>svg{flex-shrink:0}.study-memory-feedback.is-complete{color:var(--lekivo-blue)}.study-memory-content-hint{color:var(--muted-ink);margin:0 0 19px;font-size:10px;line-height:1.7}.study-memory-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding-top:20px;display:flex}.study-memory-footer>span{font-size:10px}.study-memory-footer .button{font-size:11px}.study-break-aside{padding:29px 0 0}.study-break-aside>.eyebrow{margin:0 0 17px;font-size:9px}.study-break-aside>h2{font-family:var(--lekivo-font);letter-spacing:-.5px;margin:0 0 18px;font-size:29px;font-weight:400;line-height:1.2}.study-break-aside>p:not(.eyebrow){color:var(--muted-ink);margin:0 0 24px;font-size:12px;line-height:1.9}.study-break-aside .study-break-duration{color:var(--lekivo-blue);border:1px solid var(--lekivo-line);background:var(--lekivo-line);border-radius:8px;align-items:flex-start;gap:9px;padding:13px 14px;font-size:11px;display:flex}.study-break-duration>svg{flex-shrink:0;margin-top:2px}.study-break-return-note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--lekivo-blue);align-items:center;gap:12px;margin-bottom:24px;padding:20px 0;display:flex}.study-break-return-note>svg{flex-shrink:0}.study-break-return-note strong,.study-break-return-note span{display:block}.study-break-return-note strong{color:var(--ink);margin-bottom:5px;font-size:12px;font-weight:500}.study-break-return-note span{color:var(--muted-ink);font-size:10px}.study-break-aside>.study-break-smallprint{font-size:10px!important}.study-shop-link{color:var(--green);align-items:center;gap:7px;font-size:11px;display:flex}.study-empty{text-align:center;flex-direction:column;align-items:center;padding:37px 20px;display:flex}.study-empty>svg{color:var(--lekivo-blue);margin-bottom:19px}.study-empty h3,.study-empty h2{font-family:var(--lekivo-font);margin:0 0 14px;font-size:25px;font-weight:400}.study-empty p{max-width:410px;color:var(--muted-ink);margin:0 0 21px;font-size:13px;line-height:1.85}.study-loading{text-align:center;color:var(--muted-ink);flex-direction:column;justify-content:center;align-items:center;gap:13px;padding:70px 30px;display:flex}.study-loading p{margin:0;font-size:13px}.study-loading h1{font-family:var(--lekivo-font);color:var(--ink);font-size:27px;font-weight:400}.study-error-banner{color:#845732;background:#f8faff;border:1px solid #e7ccb8;border-radius:9px;justify-content:space-between;align-items:center;gap:10px;margin-bottom:20px;padding:12px 17px;font-size:12px;line-height:1.7;display:flex}.study-error-banner .button{white-space:nowrap;font-size:11px}.study-error{color:#985332!important}.study-spinner{animation:1s linear infinite study-spin}.study-visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes study-spin{to{transform:rotate(360deg)}}@media (width<=1100px){.study-setup-layout{grid-template-columns:minmax(0,1.5fr) minmax(255px,1fr);gap:20px}.study-setup-card{padding:29px 27px 24px}.study-setup-footer{flex-direction:column;align-items:stretch}.study-setup-footer>span{justify-content:center}.study-active-layout{grid-template-columns:minmax(0,1fr) 255px;gap:20px}.study-question-card{padding:27px 26px 22px}.study-question-footer{flex-wrap:wrap}.study-question-footer .button-ghost{font-size:10px}.study-break-layout{grid-template-columns:minmax(0,1fr) 230px;gap:25px}.study-memory-panel{padding:26px 24px 23px}.study-memory-card{min-height:127px}.study-memory-footer{text-align:center;flex-direction:column;align-items:stretch}}@media (width<=850px){.study-setup-layout{grid-template-columns:minmax(0,1fr) 250px;gap:18px}.study-active-layout{grid-template-columns:1fr}.study-progress-aside{grid-template-columns:minmax(0,1fr) 240px;align-items:start;display:grid}.study-path-panel{padding:23px 25px}.study-concept-list{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.study-break-layout{grid-template-columns:1fr}.study-break-aside{grid-template-columns:1fr 1fr;column-gap:25px;padding:0;display:grid}.study-break-aside .eyebrow,.study-break-aside>h2,.study-break-aside>p:not(.eyebrow){grid-column:1}.study-break-return-note{grid-area:1/2/4;align-self:start}.study-break-aside .study-break-smallprint,.study-break-aside .study-shop-link{grid-column:2}}@media (width<=690px){.study-points-counter-slot{top:max(6px, env(safe-area-inset-top));margin-bottom:9px}.study-points-counter-slot.is-focused{top:max(18px, env(safe-area-inset-top));left:max(16px, env(safe-area-inset-left))}.study-points-counter{min-height:32px;padding:6px 10px;font-size:11px}.study-page-header{align-items:flex-start;gap:15px;margin-bottom:24px}.study-page-header .eyebrow{gap:6px;margin-bottom:11px;font-size:8px}.study-page-header .page-heading{max-width:270px;font-size:29px;line-height:1.12}.study-page-header .muted{max-width:255px;font-size:12px;line-height:1.7}.study-page-header>.button{white-space:nowrap;gap:5px;margin-top:5px;padding:9px 10px;font-size:10px}.study-page-header>.button>svg:last-child{display:none}.study-setup-layout{grid-template-columns:1fr}.study-setup-aside{grid-template-columns:1fr;display:grid}.study-calm-card{display:none}.study-setup-card{padding:24px 20px 21px}.study-section-intro{gap:12px;margin-bottom:29px}.study-section-intro h2{font-size:24px}.study-section-symbol{width:42px;height:42px}.study-step{gap:13px;padding-bottom:25px}.study-count-options{gap:7px}.study-count-choice{gap:5px;padding:13px 5px}.study-count-choice strong{font-size:18px}.study-count-choice span{font-size:9px}.study-step-content textarea,.study-step-content select{font-size:16px}.study-setup-footer{gap:14px;padding-top:21px}.study-setup-footer .button{min-height:45px}.study-session-status{flex-wrap:wrap;gap:13px}.study-session-progress{flex-basis:calc(100% - 100px)}.study-session-status>.button{margin-left:auto}.study-question-card{padding:25px 20px 21px}.study-question-topline{margin-bottom:20px}.study-question-title{font-size:25px;line-height:1.4}.study-answer-option{gap:11px;padding:13px 12px;font-size:13px}.study-question-footer{flex-direction:column;align-items:stretch;gap:15px}.study-question-footer .button{justify-content:center;min-height:44px}.study-question-footer .button-ghost{padding:8px;font-size:12px}.study-question-footer>span{text-align:center}.study-progress-aside{grid-template-columns:1fr}.study-save-note{align-items:flex-start;font-size:9px}.study-save-note svg{margin-top:2px}.study-theory-content{padding:20px;font-size:13px}.study-theory h2,.study-complete h2{font-size:27px}.study-complete-stats{padding:20px 0}.study-complete-stats span{font-size:9px}.study-complete-actions{flex-direction:column}.study-memory-panel{padding:25px 18px 21px}.study-memory-heading h2{font-size:26px}.study-memory-symbol{width:42px;height:42px}.study-memory-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.study-memory-card{min-height:112px}.study-memory-card.is-visible{padding:16px 15px;font-size:12px}.study-break-aside{padding:7px 5px 0;display:block}.study-break-aside>h2{font-size:26px}.study-error-banner{align-items:flex-start}.study-error-banner .button{padding:7px}}@media (prefers-reduced-motion:reduce){.study-points-counter-value.is-changing,.study-spinner{animation:none}.study-memory-card,.study-answer-option,.study-session-progress-track>span,.study-concept-track>span{transition:none}}.study-theory-step{align-items:flex-start;gap:12px;display:flex}.study-theory-step>span{color:#0d6efd;background:#eaf2ff;border-radius:50%;flex:0 0 26px;place-items:center;height:26px;font-size:12px;font-weight:600;display:grid}.study-adapting{color:#65748a;align-items:flex-start;gap:7px;font-size:12px;line-height:1.5;display:flex}.study-adapting svg{flex-shrink:0;margin-top:2px}.study-adaptive-pause{background:#f0f5ef;border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px;padding:14px;display:flex}.study-adaptive-pause p{flex:220px;margin:0;font-size:13px}.study-entry{place-items:center;min-height:calc(100dvh - 80px);display:grid}.study-entry-button{border-radius:100px;padding:18px 28px;font-size:18px;box-shadow:0 10px 32px #0d6efd1c}.study-onboarding{justify-content:center;align-items:flex-start;min-height:calc(100dvh - 126px);padding:42px 0 60px;display:flex}.study-choice-panel{border:1px solid var(--lekivo-line);background:#fff;border-radius:28px;width:100%;max-width:920px;padding:32px 44px;box-shadow:0 12px 50px #182c4c06}.study-music-panel{max-width:1180px}.study-choice-topline,.study-choice-footer,.study-course-pages,.study-music-controls{justify-content:space-between;align-items:center;gap:16px;display:flex}.study-back{color:var(--lekivo-body);cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;min-height:44px;padding:4px;display:flex}.study-choice-steps{color:#6d7481;align-items:center;gap:12px;font-size:12px;display:flex}.study-choice-steps i{background:var(--lekivo-line);width:28px;height:1px}.study-choice-steps .is-current{color:var(--lekivo-blue);font-weight:600}.study-choice-steps .is-done{color:var(--lekivo-ink)}.study-choice-intro{padding:26px 0 30px}.study-choice-intro .eyebrow{color:var(--lekivo-blue);overflow-wrap:anywhere;max-width:100%}.study-choice-intro h1{font:700 clamp(28px, 3.4vw, 40px)/1.17 var(--lekivo-font);letter-spacing:-1.5px;margin:12px 0}.study-choice-intro p:last-child{color:var(--lekivo-body);margin:0}.study-course-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.study-course-card{border:1px solid var(--lekivo-line);text-align:left;color:var(--lekivo-ink);cursor:pointer;background:#fff;border-radius:18px;flex-direction:column;align-items:flex-start;min-height:255px;padding:22px;transition:border-color .2s,box-shadow .2s,transform .2s;display:flex}.study-course-card:hover{border-color:var(--lekivo-blue);transform:translateY(-2px);box-shadow:0 8px 24px #0d6efd0c}.study-course-art{background:var(--lekivo-blue-soft);color:#5275b6;border-radius:10px;place-items:center;width:100%;height:98px;margin-bottom:18px;display:grid;position:relative;overflow:hidden}.study-course-orbit{border:1px solid #8ba9df;border-radius:50%;width:220px;height:220px;position:absolute;top:-155px;left:-70px;box-shadow:0 0 0 25px #ffffff30,0 0 0 50px #ffffff30}.study-course-tone-1 .study-course-art{background:var(--lekivo-pink-soft);color:#b17287}.study-course-tone-2 .study-course-art{background:var(--lekivo-yellow-soft);color:#aa8b43}.study-course-tone-3 .study-course-art{background:var(--lekivo-purple-soft);color:#9980b7}.study-course-meta{color:#697184;margin-bottom:8px;font-size:11px}.study-course-card>strong{margin-bottom:8px;font-size:18px;line-height:1.35}.study-course-description{color:var(--lekivo-body);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:12px;line-height:1.6;display:-webkit-box;overflow:hidden}.study-course-action{width:100%;color:var(--lekivo-blue);justify-content:space-between;align-items:center;margin-top:auto;padding-top:20px;font-size:12px;font-weight:600;display:flex}.study-course-placeholder{background:#fcfdff;border:1px dashed #e7ebf2;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:255px;display:flex}.study-course-placeholder span{background:#f0f3f8;border-radius:5px;width:60%;height:6px}.study-course-placeholder span:first-child{border-radius:12px;width:38px;height:38px;margin-bottom:12px}.study-course-placeholder span:last-child{width:40%}.study-choice-footer{color:#697184;margin-top:24px;font-size:12px}.study-course-pages button{border:1px solid var(--lekivo-line);cursor:pointer;background:#fff;border-radius:50%;place-items:center;width:44px;height:44px;display:grid}.study-course-pages button:disabled{opacity:.3}.study-course-empty{background:var(--lekivo-blue-soft);color:var(--lekivo-body);border-radius:12px;padding:16px}.study-course-empty strong{color:var(--lekivo-ink);margin-bottom:5px;display:block}.study-music-tabs{gap:8px;margin-bottom:22px;display:flex;overflow-x:auto}.study-music-tabs button{color:#6b7180;cursor:pointer;background:0 0;border:0;border-radius:100px;padding:12px 20px;font-weight:600}.study-music-tabs button[aria-pressed=true]{background:var(--lekivo-blue-soft);color:var(--lekivo-blue)}.study-music-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.study-music-card{aspect-ratio:1.35;text-align:left;cursor:pointer;color:#222842;background:#e6f0ff;border:2px solid #0000;border-radius:16px;min-width:0;padding:20px;transition:border-color .2s,transform .2s,box-shadow .2s;position:relative;overflow:hidden}.study-music-card:hover{transform:translateY(-2px);box-shadow:0 8px 28px #263c5920}.study-music-card:disabled{opacity:.4;cursor:default}.study-music-card.is-selected{border-color:var(--lekivo-blue);box-shadow:0 0 0 3px #0d6efd20}.sound-art{width:100%;height:100%;position:absolute;inset:0}.study-music-card:after{content:"";background:linear-gradient(#0000,#ffffffed);position:absolute;inset:35% 0 0}.study-music-icon{z-index:1;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff70;border-radius:12px;place-items:center;width:40px;height:40px;display:grid;position:absolute;top:16px;left:16px}.study-music-check{z-index:1;background:var(--lekivo-blue);color:#fff;border-radius:50%;place-items:center;width:30px;height:30px;display:grid;position:absolute;top:16px;right:16px}.study-music-copy{z-index:1;flex-direction:column;gap:5px;display:flex;position:absolute;bottom:18px;left:18px;right:12px}.study-music-copy strong{letter-spacing:-.5px;font-size:20px}.study-music-copy>span{color:#46455d;font-size:11px}.study-music-controls{border-top:1px solid var(--lekivo-line);flex-wrap:wrap;margin-top:28px;padding-top:24px}.study-silence{border:1px solid var(--lekivo-line);min-height:44px;color:var(--lekivo-body);cursor:pointer;background:#fff;border-radius:100px;align-items:center;gap:9px;padding:10px 16px;display:flex}.study-silence.is-selected{border-color:var(--lekivo-blue);background:var(--lekivo-blue-soft);color:var(--lekivo-blue)}.study-music-volume{color:var(--lekivo-body);align-items:center;gap:8px;font-size:12px;display:flex}.study-music-volume input{width:110px;accent-color:var(--lekivo-blue)}.study-music-note{color:#697184;margin:16px 0 0;font-size:11px}.study-music-disabled{background:var(--lekivo-yellow-soft);border-radius:10px;padding:12px}@media (width<=1000px){.study-music-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=600px){.study-onboarding{padding:20px 0 32px}.study-choice-panel{border-radius:22px;padding:20px}.study-choice-steps{gap:7px;font-size:10px}.study-choice-steps i{width:16px}.study-course-grid{gap:12px}.study-course-card{min-height:245px;padding:14px}.study-course-art{height:70px}.study-course-card>strong{font-size:15px}.study-course-meta{font-size:10px}.study-course-placeholder{min-height:245px}.study-music-grid{grid-template-columns:1fr}.study-music-card{aspect-ratio:1.8}.study-music-controls .button{order:3;justify-content:center;width:100%}.study-choice-intro{padding-top:20px}}@media (prefers-reduced-motion:reduce){.study-course-card,.study-music-card{transition:none}.study-course-card:hover,.study-music-card:hover{transform:none}}.study-experience{color:var(--lekivo-body);margin-top:20px;font-size:12px}.study-experience summary{cursor:pointer;padding:10px 0}.study-experience p{margin:8px 0;line-height:1.6}.study-experience-actions{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.study-experience button{border:1px solid var(--lekivo-line);color:var(--lekivo-body);min-height:40px;font:inherit;cursor:pointer;background:#fff;border-radius:12px;padding:9px 12px}.study-experience button:hover:not(:disabled),.study-experience button[aria-pressed=true]{background:var(--lekivo-blue-soft);border-color:var(--lekivo-blue)}.study-experience button:disabled{cursor:default;opacity:.5}.study-experience-offer,.study-experience-support{border:1px solid var(--lekivo-line);background:#f8faff;border-radius:14px;margin-bottom:14px;padding:16px}.study-experience-support p{white-space:pre-line}.study-experience-support small{color:var(--muted-ink)}.study-experience-usefulness{flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0;display:flex}.study-experience-privacy{margin-top:8px}.lekivo-study-focus,.lekivo-study-focus body{overscroll-behavior:none;overflow:hidden}.lekivo-study-focus .study-shell>.public-header{display:none}.study-workspace[data-study-focus=true]{z-index:30;background:var(--canvas);height:100dvh;font-family:var(--lekivo-font);padding:0;position:fixed;inset:0;overflow:hidden}.study-workspace[data-study-focus=true]:before{content:"";z-index:2;background:var(--lekivo-color-strip);height:3px;position:absolute;inset:0 0 auto}.study-workspace .study-active-layout{grid-template-columns:minmax(0,1fr)}.study-workspace[data-study-focus=true] .study-active-layout{place-items:center;gap:0;height:100%;padding:76px 88px;display:grid}.study-workspace[data-study-focus=true] .study-main-column{width:min(100%,760px);min-height:0;max-height:100%}.study-workspace[data-study-focus=true] .study-question-card{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#d9e0ec transparent;border:1px solid var(--lekivo-line);background:#fff;border-radius:20px;flex-direction:column;max-height:calc(100dvh - 152px);display:flex;overflow:hidden}.study-workspace[data-study-focus=true] .study-question-card>:is(form,.study-theory){flex-direction:column;min-height:0;display:flex}.study-workspace[data-study-focus=true] .study-question-body{overscroll-behavior:contain;scrollbar-width:thin;min-height:0;margin:-3px;padding:3px;overflow-y:auto}.study-workspace[data-study-focus=true] .study-question-heading{overscroll-behavior:contain;scrollbar-width:thin;flex-shrink:0;max-height:40dvh;overflow-y:auto}.study-workspace[data-study-focus=true] .study-question-footer{flex-shrink:0}.study-question-layout{grid-template-columns:minmax(0,1fr);min-width:0;display:grid}.study-question-prompt-column,.study-question-answer-column{min-width:0}.study-workspace[data-study-focus=true] .study-error-banner{z-index:3;width:min(760px,100% - 150px);position:absolute;top:16px;left:50%;transform:translate(-50%)}.study-floating-button{z-index:35;border:1px solid var(--lekivo-line);width:48px;height:48px;color:var(--lekivo-body);cursor:pointer;background:#fff;border-radius:16px;place-items:center;transition:background .15s,border-color .15s;display:grid;position:fixed;box-shadow:0 4px 18px #21212106}.study-expand-trigger{top:max(24px, env(safe-area-inset-top));right:max(28px, env(safe-area-inset-right))}.study-timer-trigger{right:max(28px, env(safe-area-inset-right));bottom:max(24px, env(safe-area-inset-bottom));border-radius:50%}.study-floating-button:hover,.study-floating-button[data-state=open]{background:var(--lekivo-blue-soft);color:var(--lekivo-blue);border-color:#bdd5fa}.study-timer-trigger.is-break-due:after{content:"";background:#efac5c;border:2px solid #fff;border-radius:50%;width:8px;height:8px;position:absolute;top:2px;right:2px}.study-tools{--line:var(--lekivo-line);--muted-ink:#657085;color:var(--lekivo-ink);font:13px/1.6 var(--lekivo-font);box-sizing:border-box;background:#fff;font-stretch:100%}.study-tools *,.study-tools :before,.study-tools :after{box-sizing:border-box}.study-tools button,.study-tools input{font:inherit}.study-tools button{cursor:pointer}.study-tools button:disabled{cursor:default;opacity:.5}.study-tools :focus-visible,.study-floating-button:focus-visible{outline:2px solid var(--lekivo-blue);outline-offset:4px}.study-tools-overlay{z-index:60;background:#21212112;animation:.16s study-tools-fade;position:fixed;inset:3px 0 0}.study-tools-sidebar{z-index:61;border-left:1px solid var(--lekivo-line);width:min(440px,100%);padding:max(68px, env(safe-area-inset-top)) 24px max(24px, env(safe-area-inset-bottom));animation:.2s study-tools-slide;position:fixed;top:3px;bottom:0;right:0;box-shadow:-12px 0 50px #21212108}.study-tools-close{width:34px;height:34px;color:var(--lekivo-body);background:#f8faff;border:0;border-radius:50%;place-items:center;display:grid;position:absolute;top:18px;right:20px}.study-tools-tabs{flex-direction:column;gap:28px;height:100%;min-height:0;display:flex}.study-tools-tab-list{flex-shrink:0;grid-template-columns:1fr 2fr;gap:8px;display:grid}.study-tools-tab{border:1px solid var(--lekivo-line);min-height:44px;color:var(--lekivo-body);white-space:nowrap;background:#fff;border-radius:100px;justify-content:center;align-items:center;gap:7px;padding:10px 12px;display:flex;font-size:11px!important}.study-tools-tab svg{flex-shrink:0}.study-tools-tab[data-state=active]{background:var(--lekivo-blue);border-color:var(--lekivo-blue);color:#fff}.study-tools-tab-content{overscroll-behavior:contain;scrollbar-width:thin;min-height:0;margin:-4px;padding:4px;overflow-y:auto}.study-tools-tab-content[data-state=inactive]{display:none}.study-tools-eyebrow{color:var(--muted-ink);letter-spacing:1.2px;margin:0 0 10px;font-size:9px;font-weight:600}.study-tools h2{letter-spacing:-.7px;margin:0 0 10px;font-size:25px;font-weight:600;line-height:1.3}.study-tools-intro{color:var(--muted-ink);margin:0 0 24px;font-size:12px}.study-sidebar-track-list{gap:8px;display:grid}.study-sidebar-track{border:1px solid var(--lekivo-line);width:100%;color:var(--lekivo-body);text-align:left;background:#fff;border-radius:14px;align-items:center;gap:12px;padding:10px;display:flex}.study-sidebar-track:hover,.study-sidebar-track[aria-pressed=true]{background:#f8faff;border-color:#bdd5fa}.study-sidebar-track[aria-pressed=true]>svg{color:var(--lekivo-blue)}.study-sidebar-track-art{border-radius:10px;flex-shrink:0;width:48px;height:48px;position:relative;overflow:hidden}.study-sidebar-track-art .sound-art{width:100%;height:100%}.study-sidebar-track-copy{flex:1;gap:2px;display:grid}.study-sidebar-track-copy strong,.study-sidebar-now-playing strong{font-size:12px;font-weight:600}.study-sidebar-track-copy>span,.study-sidebar-now-playing div>span{color:var(--muted-ink);font-size:10px}.study-sidebar-player{border:1px solid var(--lekivo-line);background:#f8faff;border-radius:16px;margin-top:22px;padding:16px}.study-sidebar-now-playing{align-items:center;gap:12px;margin-bottom:18px;display:flex}.study-sidebar-now-playing>div{flex:1;display:grid}.study-tools .study-silence{margin-top:14px;font-size:11px}.study-tools .study-path-panel{padding:0}.study-tools .study-concept-list{flex-direction:column;display:flex}.study-timer-panel{z-index:55;width:min(310px,100vw - 32px);max-height:var(--radix-popover-content-available-height);overscroll-behavior:contain;border:1px solid var(--lekivo-line);border-radius:22px;padding:26px;animation:.15s study-tools-fade;position:relative;overflow-y:auto;box-shadow:0 12px 50px #21212110}.study-timer-panel .study-tools-close{top:12px;right:12px}.study-timer-value{letter-spacing:-2px;font-variant-numeric:tabular-nums;margin:20px 0 8px;font-size:56px;font-weight:500;line-height:1.1}.study-timer-break{border:1px solid var(--lekivo-line);background:var(--lekivo-blue-soft);width:100%;color:var(--lekivo-blue);border-radius:100px;justify-content:center;align-items:center;gap:9px;margin-top:24px;padding:12px;display:flex}.study-timer-break-note{color:var(--muted-ink);margin:16px 0 0;font-size:11px}.study-timer-leave{color:var(--muted-ink);text-align:center;text-underline-offset:3px;margin-top:16px;font-size:11px;text-decoration:underline;display:block}@keyframes study-tools-slide{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes study-tools-fade{0%{opacity:0}to{opacity:1}}@media (width<=690px){.study-workspace[data-study-focus=true] .study-active-layout{padding:78px 16px}.study-workspace[data-study-focus=true] .study-question-card{max-height:calc(100dvh - 156px);padding:24px 20px}.study-workspace[data-study-focus=true] .study-question-footer{flex-flow:wrap;align-items:center;gap:10px;padding-top:16px}.study-workspace[data-study-focus=true] .study-question-footer .button-ghost{padding-inline:0;font-size:10px}.study-workspace[data-study-focus=true] .study-question-footer .button-primary{margin-left:auto}.study-expand-trigger{top:max(18px, env(safe-area-inset-top));right:max(18px, env(safe-area-inset-right))}.study-timer-trigger{right:max(18px, env(safe-area-inset-right));bottom:max(18px, env(safe-area-inset-bottom))}.study-tools-sidebar{padding-inline:18px}.study-tools-tab{padding-inline:10px}.study-workspace[data-study-focus=true] .study-error-banner{width:calc(100% - 94px);left:16px;transform:none}}@media (width>=1024px){.study-question-layout{grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:clamp(24px,3vw,40px)}.study-workspace[data-study-focus=true] .study-question-form-split{flex:1;min-height:0}.study-workspace[data-study-focus=true] .study-question-form-split .study-question-layout{flex:1;grid-template-rows:minmax(0,1fr);min-height:0}.study-workspace[data-study-focus=true] .study-question-prompt-column,.study-workspace[data-study-focus=true] .study-question-answer-column{overscroll-behavior:contain;scrollbar-width:thin;min-height:0;overflow-y:auto}.study-workspace[data-study-focus=true] .study-question-layout .study-question-heading{max-height:none;overflow:visible}.study-workspace[data-study-focus=true] .study-question-layout .study-question-body{margin:0;padding:0;overflow:visible}}@media (width>=691px) and (height<=600px){.study-workspace[data-study-focus=true] .study-active-layout{padding-block:24px}.study-workspace[data-study-focus=true] .study-question-card{max-height:calc(100dvh - 48px)}}@media (prefers-reduced-motion:reduce){.study-tools-overlay,.study-tools-sidebar,.study-timer-panel{animation:none}.study-floating-button{transition:none}}