@font-face{font-family:Literata;font-style:normal;font-weight:400 700;font-display:swap;src:url(/learn-anatomy/assets/literata-cyrillic-oIXGe2LH.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Literata;font-style:normal;font-weight:400 700;font-display:swap;src:url(/learn-anatomy/assets/literata-latin-2tzrHtE-.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Golos Text;font-style:normal;font-weight:400 700;font-display:swap;src:url(/learn-anatomy/assets/golos-cyrillic-mKek_fSS.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Golos Text;font-style:normal;font-weight:400 700;font-display:swap;src:url(/learn-anatomy/assets/golos-latin-BS5oQT7X.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--paper: #f4efe6;--surface: #fbf9f4;--surface-2: #efe8db;--hairline: #dcd3c3;--ink: #22201c;--ink-2: #57524a;--ink-3: #8a8478;--ink-4: #bdb5a6;--artery: #b3261e;--artery-soft: #f2dcd7;--vein: #24589c;--vein-soft: #dbe5f1;--nerve: #d4a106;--nerve-ink: #7a5c00;--nerve-soft: #f5e8bd;--vessel: #7a4a86;--organ: #8a7a63;--muscle: #c98a78;--muscle-edge: #8f5646;--septum: #a5604f;--lung: #ead7cf;--lung-edge: #a88b80;--valve: #fbf6ea;--valve-edge: #57524a;--bed: #efe8db;--conduct: #2c7a6b;--body: #f7f2ea;--zone-1: #f7eccb;--zone-2: #f1e0ac;--zone-3: #e9d28c;--structure: #6b665c;--brain: #ead9d0;--brain-edge: #9b8579;--lobe-1: #ecd3c3;--lobe-2: #dfe1c8;--lobe-3: #d6dddf;--lobe-4: #e4d6e2;--sulcus: #6f5d54;--grey-matter: #cbbdb1;--grey-edge: #8d7d70;--white-matter: #fbf7ef;--bone: #ebe3d2;--bone-edge: #a5977f;--membrane: #8a776a;--fluid: #d8ebe5;--sheet-1: #dccab9;--sheet-2: #f0eaf0;--myelin: #fcf5e0;--good: #2f6a47;--good-soft: #e1ece2;--bad: #9a3d12;--bad-soft: #f5e1d5;--good-on-ink: #9fd3b0;--bad-on-ink: #f0b49a;--scrim: rgba(34, 32, 28, .42);--serif: "Literata", Georgia, "Times New Roman", serif;--sans: "Golos Text", system-ui, -apple-system, "Segoe UI", sans-serif;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--gutter: 20px;--tab-h: 60px;--tap: 48px;--shadow-sheet: 0 -6px 24px rgba(34, 32, 28, .1);--shadow-pop: 0 12px 36px rgba(34, 32, 28, .22);--t-fast: .14s;--t-mid: .24s;--ease-out: cubic-bezier(.22, .61, .36, 1);--sat: env(safe-area-inset-top, 0px);--sab: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;overscroll-behavior:none}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{font-family:var(--sans);font-size:16px;font-weight:400;line-height:1.5;color:var(--ink);background:var(--paper);-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;touch-action:manipulation}button,input{font:inherit;color:inherit;margin:0}button{cursor:pointer;background:none;border:0;padding:0;text-align:inherit}button:disabled{cursor:default}:focus-visible{outline:2px solid var(--vein);outline-offset:2px}.icon{width:22px;height:22px;flex:none}.hidden{display:none!important}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.kind{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--ink-2)}.kind__mark{width:10px;height:10px;flex:none}.kind--artery .kind__mark{background:var(--artery);border-radius:50%}.kind--vein .kind__mark{border:2.5px solid var(--vein);border-radius:50%}.kind--vessel .kind__mark{border-radius:50%;background:linear-gradient(90deg,var(--artery) 50%,var(--vein) 50%)}.kind--nerve .kind__mark{background:var(--nerve);transform:rotate(45deg) scale(.85)}.kind--organ .kind__mark{background:var(--organ);border-radius:3px}.kind--muscle .kind__mark{background:repeating-linear-gradient(90deg,var(--muscle-edge) 0 2px,var(--muscle) 2px 4px);border-radius:2px}.kind--structure .kind__mark{border:2.5px solid var(--structure);border-radius:2px}.kind--concept .kind__mark{height:2.5px;background:var(--ink-2)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 22px;border-radius:var(--r-md);font-weight:600;font-size:16px;transition:background var(--t-fast),opacity var(--t-fast),transform var(--t-fast)}.btn--wide{width:100%}.btn--primary{background:var(--ink);color:var(--paper)}.btn--secondary{box-shadow:inset 0 0 0 1.5px var(--ink);color:var(--ink)}.btn--danger{box-shadow:inset 0 0 0 1.5px var(--bad);color:var(--bad)}.btn.is-pressed{transform:scale(.98)}.btn:disabled{opacity:.35}.icon-btn{display:grid;place-items:center;width:var(--tap);height:var(--tap);border-radius:50%;color:var(--ink-2)}.icon-btn.is-pressed{background:var(--surface-2)}#boot{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:var(--paper);transition:opacity .36s var(--ease-out)}#boot.is-gone{opacity:0;pointer-events:none}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.reduce-motion *,.reduce-motion *:before,.reduce-motion *:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}#app{position:fixed;inset:0;display:flex;flex-direction:column;max-width:560px;margin:0 auto;overflow:hidden;background:var(--paper)}@media(min-width:600px){#app{box-shadow:0 0 0 1px var(--hairline)}}.app-stage{position:relative;flex:1 1 auto;min-height:0}.app-overlay{position:absolute;inset:0;z-index:10}.screen{position:absolute;inset:0;display:flex;flex-direction:column;overflow:hidden;overflow:clip;background:var(--paper)}.screen-body{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;padding-top:var(--sat)}.screen--enter{animation:screen-in var(--t-mid) linear both}.screen--push{animation:screen-push var(--t-mid) var(--ease-out) both}.screen--pop{animation:screen-pop var(--t-mid) var(--ease-out) both}@keyframes screen-in{0%{opacity:0}to{opacity:1}}@keyframes screen-push{0%{transform:translate3d(0,24px,0);opacity:0}to{transform:none;opacity:1}}@keyframes screen-pop{0%{transform:none;opacity:1}to{transform:translate3d(0,24px,0);opacity:0}}.tabbar{display:flex;flex:none;height:calc(var(--tab-h) + var(--sab));padding-bottom:var(--sab);border-top:1px solid var(--hairline);background:var(--paper)}.tab{position:relative;display:flex;flex:1 1 0;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--ink-3);font-size:12px;font-weight:500}.tab.is-active{color:var(--ink)}.tab.is-active:before{content:"";position:absolute;top:-1px;left:50%;width:28px;height:2px;margin-left:-14px;background:var(--ink)}.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:end center;padding:16px 16px calc(16px + var(--sab));background:var(--scrim);animation:screen-in var(--t-fast) linear both}.modal.is-closing{animation:screen-in var(--t-fast) linear reverse both}@media(min-height:560px)and (min-width:600px){.modal{place-items:center}}.modal__card{width:100%;max-width:420px;padding:24px 20px 20px;border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-pop)}.modal__title{margin:0 0 8px;font-family:var(--serif);font-size:22px;font-weight:600;line-height:1.25}.modal__text{margin:0 0 20px;color:var(--ink-2)}.modal__actions{display:grid;gap:10px}.toast-host{position:fixed;top:calc(12px + var(--sat));left:50%;z-index:60;display:grid;gap:8px;width:min(92vw,440px);transform:translate(-50%);pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-md);background:var(--ink);color:var(--paper);font-size:15px;box-shadow:var(--shadow-pop);animation:screen-in var(--t-mid) linear both}.toast.is-out{opacity:0;transition:opacity .24s}.toast--good .icon{color:var(--good-on-ink)}.toast--bad .icon{color:var(--bad-on-ink)}.tab__label{font-size:11px;white-space:nowrap}.tab__icon{position:relative;display:grid}.tab__dot{position:absolute;top:-1px;right:-4px;width:9px;height:9px;border-radius:50%;background:var(--artery);box-shadow:0 0 0 2px var(--paper);opacity:0;transform:scale(.4);transition:opacity var(--t-fast),transform var(--t-fast)}.tab.has-dot .tab__dot{opacity:1;transform:none}.course{padding:0 var(--gutter) 40px}.course__head{padding:32px 0 20px}.course__title{margin:4px 0 6px;font-family:var(--serif);font-size:38px;font-weight:600;line-height:1.05;letter-spacing:-.01em}.course__sub{margin:0;max-width:30ch;color:var(--ink-2)}.course__done{margin:0 0 8px;color:var(--ink-2)}.continue{display:flex;align-items:center;gap:16px;width:100%;margin-bottom:12px;padding:18px 18px 18px 20px;border-radius:var(--r-lg);background:var(--ink);color:var(--paper);transition:transform var(--t-fast)}.continue.is-pressed{transform:scale(.99)}.continue__text{display:grid;gap:2px;flex:1 1 auto;min-width:0}.continue__label{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;opacity:.66}.continue__title{font-family:var(--serif);font-size:22px;font-weight:600;line-height:1.2}.continue__section{font-size:14px;opacity:.72}.continue__arrow{width:26px;height:26px}.system{--sys: var(--artery);--sys-soft: var(--artery-soft)}.system--nervous{--sys: var(--nerve);--sys-soft: var(--nerve-soft)}.system__title{display:flex;align-items:center;gap:10px;margin:32px 0 4px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}.system__title:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--sys)}.section{padding:18px 0 6px;border-bottom:1px solid var(--hairline)}.section:last-child{border-bottom:0}.section__head{display:grid;grid-template-columns:28px 1fr auto;align-items:baseline;gap:8px}.section__num{font-family:var(--serif);font-size:15px;color:var(--ink-3)}.section__title{margin:0;font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.25}.section__pct{font-size:13px;font-weight:500;font-variant-numeric:tabular-nums;color:var(--ink-2)}.section.is-empty .section__title{color:var(--ink-3);font-weight:500}.section.is-empty .section__pct{color:var(--ink-4)}.section__progress{height:2px;margin:12px 0 6px 36px;background:var(--hairline);overflow:hidden}.section__progress>span{display:block;height:100%;background:var(--sys);transform-origin:left}.lesson-list{position:relative;padding:4px 0 10px}.lesson-list:before{content:"";position:absolute;top:26px;bottom:34px;left:13px;width:2px;background:var(--sys-soft)}.lesson-row{position:relative;display:flex;align-items:center;gap:16px;width:100%;min-height:60px;padding:8px 0;border-radius:var(--r-sm)}.lesson-row.is-pressed{background:var(--surface-2)}.lesson-row__node{position:relative;z-index:1;display:grid;place-items:center;width:28px;height:28px;flex:none;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 2px var(--ink-4)}.lesson-row__node .icon{width:16px;height:16px;stroke-width:2.4}.lesson-row.is-done .lesson-row__node{background:var(--sys);box-shadow:none;color:var(--paper)}.lesson-row.is-current .lesson-row__node{box-shadow:inset 0 0 0 3px var(--sys)}.lesson-row.is-current .lesson-row__node:after{content:"";width:10px;height:10px;border-radius:50%;background:var(--sys)}.lesson-row.is-open .lesson-row__node{box-shadow:inset 0 0 0 2px var(--sys)}.lesson-row__text{display:grid;flex:1 1 auto;min-width:0}.lesson-row__title{font-size:16px;font-weight:500;line-height:1.3}.lesson-row__meta{font-size:13px;color:var(--ink-3)}.lesson-row.is-current .lesson-row__title{font-weight:600}.section-review{display:flex;align-items:center;gap:10px;width:100%;min-height:48px;margin:0 0 12px;padding:0 14px;border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--hairline);background:var(--surface);color:var(--ink)}.section-review.is-pressed{background:var(--surface-2)}.section-review .icon{width:20px;height:20px;color:var(--sys)}.section-review__label{flex:1 1 auto;font-weight:500;text-align:left}.section-review__meta{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}.screen--lesson{padding-top:var(--sat)}.lesson__top{display:flex;align-items:center;gap:8px;flex:none;padding:6px 12px 0 6px}.lesson__bar{flex:1 1 auto;height:4px;border-radius:2px;background:var(--hairline);overflow:hidden}.lesson__bar-fill{display:block;height:100%;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform var(--t-mid) var(--ease-out)}.lesson__counter{min-width:44px;font-size:13px;font-variant-numeric:tabular-nums;text-align:right;color:var(--ink-3)}.lesson__task{flex:none;padding:10px var(--gutter) 0;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.lesson__task.is-retry{color:var(--bad)}.lesson__host{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:8px var(--gutter) calc(20px + var(--sab))}.ex{display:flex;flex-direction:column;min-height:100%}.ex--enter{animation:ex-in var(--t-mid) var(--ease-out) both}@keyframes ex-in{0%{opacity:0;transform:translate3d(0,8px,0)}to{opacity:1;transform:none}}.ex__action{margin-top:auto;padding-top:24px}.term-card,.rule-card{margin-top:12px;padding:22px 20px 20px;border-radius:var(--r-lg);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline)}.term-card__en{margin:14px 0 0;font-family:var(--serif);font-size:34px;font-weight:600;line-height:1.12;letter-spacing:-.01em;overflow-wrap:anywhere}.term-card__plural{margin-top:4px;font-size:14px;color:var(--ink-3)}.term-card__plural span{font-family:var(--serif);color:var(--ink-2)}.term-card__ru{margin-top:10px;font-size:22px;font-weight:500;line-height:1.25}.term-card__also{margin-top:6px;font-size:14px;color:var(--ink-3)}.term-card__also span{color:var(--ink-2)}.term-card__about{margin:18px 0 0;padding-top:16px;border-top:1px solid var(--hairline);color:var(--ink-2);line-height:1.55}.rule-card__title{margin:0 0 12px;font-family:var(--serif);font-size:23px;font-weight:600;line-height:1.25}.rule-card__p{margin:0 0 12px;color:var(--ink-2);line-height:1.55}.rule-card__examples{display:grid;grid-template-columns:minmax(0,auto) 1fr;gap:8px 18px;margin:18px 0 0;padding-top:16px;border-top:1px solid var(--hairline)}.rule-card__examples dt{font-family:var(--serif);font-size:17px;font-weight:600}.rule-card__examples dd{margin:0;color:var(--ink-2);align-self:center}.prompt{padding:28px 0 24px}.prompt__text{font-size:25px;font-weight:500;line-height:1.25}.prompt--en .prompt__text{font-family:var(--serif);font-size:32px;font-weight:600;letter-spacing:-.01em}.options{display:grid;gap:10px}.option{display:flex;align-items:center;gap:14px;min-height:58px;padding:10px 16px 10px 12px;border-radius:var(--r-md);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline);transition:box-shadow var(--t-fast),background var(--t-fast),opacity var(--t-fast)}.option.is-pressed{background:var(--surface-2)}.option__letter{display:grid;place-items:center;width:28px;height:28px;flex:none;border-radius:50%;box-shadow:inset 0 0 0 1px var(--hairline);font-size:13px;font-weight:600;color:var(--ink-3)}.option__text{font-size:17px;line-height:1.3}.option__text:lang(en){font-family:var(--serif);font-size:18px}.option.is-right{background:var(--good-soft);box-shadow:inset 0 0 0 2px var(--good)}.option.is-right .option__letter{background:var(--good);color:var(--surface);box-shadow:none}.option.is-wrong{background:var(--bad-soft);box-shadow:inset 0 0 0 2px var(--bad)}.option.is-wrong .option__letter{background:var(--bad);color:var(--surface);box-shadow:none}.option.is-dim{opacity:.45}.typing__field{display:block}.typing__input{width:100%;padding:10px 2px;border:0;border-bottom:2px solid var(--ink);border-radius:0;background:transparent;font-family:var(--serif);font-size:26px;font-weight:600;outline:none}.typing__input::placeholder{font-family:var(--sans);font-size:18px;font-weight:400;color:var(--ink-4)}.typing__input.is-right{border-color:var(--good);color:var(--good)}.typing__input.is-wrong{border-color:var(--bad);color:var(--bad);text-decoration:line-through;text-decoration-thickness:2px}.pairs{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:16px}.pairs__col{display:grid;gap:10px;align-content:start}.pair{min-height:64px;padding:8px 12px;border-radius:var(--r-md);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline);font-size:15px;line-height:1.25;overflow-wrap:anywhere;transition:box-shadow var(--t-fast),background var(--t-fast),opacity var(--t-mid)}.pair--en{font-family:var(--serif);font-size:16px;font-weight:600}.pair.is-picked{box-shadow:inset 0 0 0 2px var(--ink);background:var(--surface-2)}.pair.is-matched{box-shadow:inset 0 0 0 1px var(--good);background:var(--good-soft);color:var(--good);opacity:.6}.pair.is-bad{box-shadow:inset 0 0 0 2px var(--bad);background:var(--bad-soft);animation:nudge .3s var(--ease-out)}@keyframes nudge{0%,to{transform:none}30%{transform:translate(-4px)}70%{transform:translate(4px)}}.feedback{position:absolute;left:0;right:0;bottom:0;z-index:5;display:grid;gap:12px;padding:18px var(--gutter) calc(18px + var(--sab));border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--surface);box-shadow:var(--shadow-sheet);transform:translate3d(0,105%,0);transition:transform var(--t-mid) var(--ease-out);visibility:hidden}.feedback.is-shown{transform:none;visibility:visible}.feedback.is-right{background:var(--good-soft)}.feedback.is-wrong{background:var(--bad-soft)}.feedback__head{display:flex;gap:12px;align-items:flex-start}.feedback__icon{display:grid;place-items:center;width:32px;height:32px;flex:none;border-radius:50%;color:var(--surface)}.feedback__icon .icon{width:20px;height:20px;stroke-width:2.4}.is-right .feedback__icon{background:var(--good)}.is-wrong .feedback__icon{background:var(--bad)}.feedback__body{display:grid;gap:2px;padding-top:3px}.feedback__title{font-size:18px;font-weight:600;line-height:1.3}.is-right .feedback__title{color:var(--good)}.is-wrong .feedback__title{color:var(--bad)}.feedback__text{font-size:15px;color:var(--ink)}.feedback__why{margin:0;font-size:15px;line-height:1.5;color:var(--ink-2)}.ex--diagram{gap:12px}.ex--diagram .diagram{flex:1 1 auto;min-height:300px}.prompt--tight{padding:12px 0 0}.prompt__sub{margin-top:2px;font-size:16px;color:var(--ink-2)}.options--compact{gap:8px}.options--compact .option{min-height:50px}.term-card__where{margin:20px 0 8px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.term-card__diagram{height:300px}.lesson__task{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-right:8px}.lesson__flag{width:40px;height:40px;color:var(--ink-3)}.lesson__flag .icon{width:20px;height:20px}.prompt__text--en{font-family:var(--serif);font-size:28px;font-weight:600;letter-spacing:-.01em}.option__text--two{display:grid;gap:1px}.option__text--two>:first-child{font-family:var(--serif);font-size:17px;font-weight:600}.option__sub{font-size:14px;color:var(--ink-2)}.path__hint{margin:4px 0 12px;font-size:14px;color:var(--ink-3)}.path__chain{display:grid;gap:6px;margin:0 0 18px;padding:0;list-style:none}.path__slot{display:flex;align-items:center;gap:10px;min-height:40px;padding:4px 12px 4px 4px;border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--hairline);background:var(--paper)}.path__slot.is-filled{background:var(--surface);box-shadow:inset 0 0 0 1px var(--good)}.path__num{display:grid;place-items:center;width:30px;height:30px;flex:none;border-radius:50%;font-size:13px;font-weight:600;color:var(--ink-3);box-shadow:inset 0 0 0 1px var(--hairline)}.path__slot.is-filled .path__num{background:var(--good);color:var(--surface);box-shadow:none}.path__placed{font-family:var(--serif);font-weight:600}.path__pile{display:flex;flex-wrap:wrap;gap:8px}.path__chip{display:grid;min-height:52px;padding:6px 14px;border-radius:var(--r-md);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline);text-align:left;transition:opacity var(--t-mid)}.path__chip.is-pressed{background:var(--surface-2)}.path__chip.is-placed{opacity:.25}.path__chip.is-bad{box-shadow:inset 0 0 0 2px var(--bad);background:var(--bad-soft);animation:nudge .3s var(--ease-out)}.path__en{font-family:var(--serif);font-weight:600}.path__ru{font-size:13px;color:var(--ink-2)}.diagram{position:relative;display:flex;min-height:0;border-radius:var(--r-lg);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline);overflow:hidden}.anat{display:block;width:100%;height:100%;user-select:none;-webkit-user-select:none}.diagram.is-zoomable .anat{touch-action:none;cursor:grab}.diagram.is-zoomable .anat.is-panning{cursor:grabbing}.anat .bed{fill:var(--bed);stroke:var(--vessel);stroke-width:1.2}.anat .cap{fill:none;stroke:var(--vessel);stroke-width:1.4;stroke-linecap:round}.anat .organ{fill:var(--lung);stroke:var(--lung-edge);stroke-width:1.5}.anat .muscle{fill:var(--muscle);stroke:var(--muscle-edge);stroke-width:1.5}.anat .apex{fill:var(--muscle)}.anat .septum{fill:none;stroke:var(--septum);stroke-linecap:round}.anat .cavity-oxy{fill:var(--artery-soft);stroke:var(--artery);stroke-width:1.5}.anat .cavity-deoxy{fill:var(--vein-soft);stroke:var(--vein);stroke-width:1.5}.anat .vessel-oxy{fill:none;stroke:var(--artery);stroke-linecap:round;stroke-linejoin:round}.anat .vessel-deoxy{fill:none;stroke:var(--vein);stroke-linecap:round;stroke-linejoin:round}.anat .valve{fill:var(--valve);stroke:var(--valve-edge);stroke-width:1.3;stroke-linejoin:round}.anat .valve-ring{fill:none;stroke:var(--valve-edge);stroke-width:2.5;stroke-linecap:round}.anat .outline{fill:var(--body);stroke:var(--ink-4);stroke-width:1.5}.anat .landmark{fill:none;stroke:var(--ink-4);stroke-width:1.5;stroke-dasharray:5 5}.anat .groove{fill:none;stroke:var(--muscle-edge);stroke-width:4;stroke-linecap:round}.anat .node{fill:var(--conduct);stroke:var(--surface);stroke-width:1.5}.anat .conduct{fill:none;stroke:var(--conduct);stroke-linecap:round;stroke-linejoin:round}.anat .line{fill:none;stroke:var(--lung-edge);stroke-width:1.5;stroke-linecap:round}.anat .nerve{fill:none;stroke:var(--nerve);stroke-linecap:round;stroke-linejoin:round}.anat .ring{fill:none;stroke:var(--muscle);stroke-linecap:round}.anat .zone-1{fill:var(--zone-1);stroke:none}.anat .zone-2{fill:var(--zone-2);stroke:none}.anat .zone-3{fill:var(--zone-3);stroke:none}.anat .tube{fill:none;stroke:var(--lung);stroke-linecap:round;stroke-linejoin:round}.anat .brain{fill:var(--brain);stroke:var(--brain-edge);stroke-width:1.5}.anat .lobe-1{fill:var(--lobe-1);stroke:var(--brain-edge);stroke-width:1.2}.anat .lobe-2{fill:var(--lobe-2);stroke:var(--brain-edge);stroke-width:1.2}.anat .lobe-3{fill:var(--lobe-3);stroke:var(--brain-edge);stroke-width:1.2}.anat .lobe-4{fill:var(--lobe-4);stroke:var(--brain-edge);stroke-width:1.2}.anat .sulcus{fill:none;stroke:var(--sulcus);stroke-linecap:round;stroke-linejoin:round}.anat .grey{fill:var(--grey-matter);stroke:var(--grey-edge);stroke-width:1.2}.anat .white{fill:var(--white-matter);stroke:var(--brain-edge);stroke-width:1.5}.anat .bone{fill:var(--bone);stroke:var(--bone-edge);stroke-width:1.5}.anat .membrane{fill:none;stroke:var(--membrane);stroke-linecap:round;stroke-linejoin:round}.anat .fluid{fill:var(--fluid);stroke:none}.anat .sheet-1{fill:var(--sheet-1);stroke:var(--membrane);stroke-width:1.5}.anat .sheet-2{fill:var(--sheet-2);stroke:var(--membrane);stroke-width:1.2}.anat .soma{fill:var(--nerve-soft);stroke:var(--nerve-ink);stroke-width:1.5}.anat .myelin{fill:var(--myelin);stroke:var(--nerve-ink);stroke-width:1.2}.anat .behind{stroke-dasharray:8 6;stroke-linecap:butt}.anat *{pointer-events:none}.anat [data-term] *{pointer-events:visiblePainted}.anat .hit{fill:none;stroke:transparent;pointer-events:stroke}.anat .hit-area{fill:transparent;stroke:none;pointer-events:all}.diagram:not(.is-pickable) .anat *{pointer-events:none}.anat :is(path,rect,circle,ellipse):not(.hit){transition:opacity var(--t-fast)}.anat.has-hl :is(path,rect,circle,ellipse):not(.hit){opacity:.26}.anat.has-hl :is(.is-hl,.is-miss) :is(path,rect,circle,ellipse):not(.hit){opacity:1}.anat feFlood.flood-hl{flood-color:var(--ink)}.anat feFlood.flood-miss{flood-color:var(--bad)}.diagram__zoom{position:absolute;top:8px;right:8px;display:flex;gap:6px}.diagram__zoom .icon-btn{width:44px;height:44px;border-radius:var(--r-md);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline);color:var(--ink-2)}.caption{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 12px;min-height:64px;padding:10px 16px;border-radius:var(--r-md);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline)}.caption__en{font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.2}.caption__ru{grid-column:1;color:var(--ink-2)}.caption .kind{grid-column:2;grid-row:1 / span 2}.caption__hint{grid-column:1 / -1;color:var(--ink-3);font-size:14px}.caption__about{grid-column:1 / -1;margin:6px 0 0;font-size:14px;line-height:1.5;color:var(--ink-2)}.atlas{padding:0 var(--gutter) 40px}.atlas__note{margin:-8px 0 20px;color:var(--ink-2);font-size:15px}.atlas__grid{display:grid;gap:14px}.atlas-item{display:grid;grid-template-columns:112px 1fr;align-items:center;gap:16px;padding:10px;border-radius:var(--r-lg);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline)}.atlas-item.is-pressed{background:var(--surface-2)}.atlas-item .diagram{height:136px;box-shadow:none;background:var(--paper)}.atlas-item__text{display:grid;gap:2px}.atlas-item__title{font-family:var(--serif);font-size:18px;font-weight:600;line-height:1.25}.atlas-item__meta{font-size:13px;color:var(--ink-3)}.screen--atlas-view{padding-top:var(--sat)}.atlas-view__top{display:flex;align-items:center;gap:4px;flex:none;padding:6px 12px 6px 6px}.atlas-view__title{flex:1 1 auto;margin:0;font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.25}.atlas-view__body{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;gap:10px;padding:0 var(--gutter) calc(16px + var(--sab))}.atlas-view__body .diagram{flex:1 1 auto}.atlas-view__body .caption{flex:none}.page-head{padding:32px 0 20px}.page-title{margin:4px 0 0;font-family:var(--serif);font-size:34px;font-weight:600;line-height:1.1}.page-subtitle{margin:32px 0 12px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.results{display:flex;flex-direction:column;padding:calc(40px + var(--sat)) var(--gutter) calc(24px + var(--sab))}.results__title{margin:6px 0 10px;font-family:var(--serif);font-size:32px;font-weight:600;line-height:1.12}.results__score{font-size:20px;font-weight:500;font-variant-numeric:tabular-nums}.results__missed{margin-top:28px}.results__subtitle{margin:0 0 4px;font-size:17px;font-weight:600}.results__note{margin:6px 0 0;color:var(--ink-2)}.results__actions{display:grid;gap:10px;margin-top:auto;padding-top:32px}.term-list{margin:14px 0 0;padding:0;list-style:none}.term-list__item{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:12px 0;border-top:1px solid var(--hairline)}.term-list__item:last-child{border-bottom:1px solid var(--hairline)}.term-list__en{font-family:var(--serif);font-size:18px;font-weight:600}.term-list__ru{grid-column:1;color:var(--ink-2)}.term-list__item .kind{grid-column:2;grid-row:1 / span 2;align-self:center}.profile{padding:0 var(--gutter) 40px}.stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--hairline)}.stat{padding:16px 0;border-bottom:1px solid var(--hairline)}.stat:nth-child(odd){padding-right:12px;border-right:1px solid var(--hairline)}.stat:nth-child(2n){padding-left:16px}.stat__value{font-family:var(--serif);font-size:28px;font-weight:600;line-height:1.15;font-variant-numeric:tabular-nums}.stat__label{font-size:13px;color:var(--ink-3)}.switch{display:flex;align-items:center;gap:16px;min-height:56px;cursor:pointer}.switch__text{display:grid;flex:1 1 auto}.switch__label{font-weight:500}.switch__hint{font-size:13px;color:var(--ink-3)}.switch__input{appearance:none;position:relative;width:46px;height:28px;flex:none;border-radius:14px;background:var(--ink-4);transition:background var(--t-fast);cursor:pointer}.switch__input:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:var(--surface);transition:transform var(--t-fast) var(--ease-out)}.switch__input:checked{background:var(--ink)}.switch__input:checked:after{transform:translate(18px)}.facts{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:0 0 32px}.facts dt{color:var(--ink-3)}.facts dd{margin:0}.modal__card:has(.rsheet){max-height:calc(100dvh - 32px);overflow-y:auto}.rsheet__intro{margin:0 0 4px;font-size:14px;color:var(--ink-2)}.rsheet__label{margin:16px 0 8px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{min-height:40px;padding:8px 14px;border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--hairline);background:var(--paper);font-size:14px;line-height:1.3}.chip--target{display:grid;text-align:left}.chip__main:lang(en){font-family:var(--serif);font-weight:600}.chip__sub{font-size:13px;color:var(--ink-3)}.chip[aria-pressed=true]{box-shadow:inset 0 0 0 2px var(--ink);background:var(--surface-2)}.rsheet__note{width:100%;padding:10px 12px;border:0;border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--hairline);background:var(--paper);font:inherit;resize:vertical}.rsheet__note:focus{outline:none;box-shadow:inset 0 0 0 2px var(--ink)}.rsheet__actions{display:grid;gap:10px;margin-top:20px}.review{padding:0 var(--gutter) 40px}.review__due{display:grid;gap:16px;margin-bottom:8px}.review__count{font-size:18px;color:var(--ink-2)}.review__num{display:block;font-family:var(--serif);font-size:56px;font-weight:600;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}.review__note{margin:0;color:var(--ink-2)}.review__facts{margin-top:24px}.dict{padding:0 var(--gutter) 40px}.dict__search{position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:10px;margin:0 calc(-1 * var(--gutter)) 8px;padding:8px var(--gutter);background:var(--paper);color:var(--ink-3)}.dict__input{flex:1 1 auto;min-width:0;min-height:48px;padding:0 14px;border:0;border-radius:var(--r-md);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline);font-size:17px;color:var(--ink)}.dict__input:focus{outline:none;box-shadow:inset 0 0 0 2px var(--ink)}.dict__group{margin:24px 0 4px;font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink-2)}.dict__empty{color:var(--ink-2)}.dict-row{display:flex;align-items:center;gap:12px;width:100%;min-height:60px;padding:8px 0;border-bottom:1px solid var(--hairline)}.dict-row.is-pressed{background:var(--surface-2)}.dict-row__text{display:grid;flex:1 1 auto;min-width:0}.dict-row__en{font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.25}.dict-row__ru{font-size:14px;color:var(--ink-2)}.dict-row.is-new .dict-row__en,.dict-row.is-new .dict-row__ru{color:var(--ink-3)}.dict-row__mark{color:var(--good)}.dict-row__mark .icon{width:18px;height:18px}.screen--term{padding-top:var(--sat)}.term-page__top{display:flex;justify-content:space-between;flex:none;padding:6px}.term-page{padding:4px var(--gutter) 40px}.term-page .term-card__en{margin-top:10px}.term-page__about{margin:16px 0 0;color:var(--ink-2);line-height:1.55}.term-page__relations{display:grid;gap:12px;margin-top:20px}.relation{display:grid;gap:6px}.relation__label{font-size:13px;color:var(--ink-3)}.term-link{display:grid;justify-items:start;min-height:48px;padding:6px 12px;border-radius:var(--r-md);background:var(--surface);box-shadow:inset 0 0 0 1px var(--hairline)}.term-link__en{font-family:var(--serif);font-weight:600}.term-link__ru{font-size:13px;color:var(--ink-2)}.term-page__figure{display:block;width:100%;margin:0 0 16px;text-align:left}.term-page__figure .diagram{height:300px}.term-page__figure.is-pressed .diagram{box-shadow:inset 0 0 0 2px var(--ink)}.term-page__figcap{display:flex;justify-content:space-between;gap:12px;margin-top:6px;font-size:13px;color:var(--ink-3)}.term-page__open{color:var(--ink);font-weight:500;white-space:nowrap}.profile__note{margin:0 0 12px;color:var(--ink-2)}.profile__actions{display:grid;gap:10px}.reports{margin:0 0 16px;padding:0;list-style:none}.report-row{display:flex;align-items:center;gap:8px;padding:10px 0;border-top:1px solid var(--hairline)}.report-row:last-child{border-bottom:1px solid var(--hairline)}.report-row__text{display:grid;flex:1 1 auto;min-width:0}.report-row__what{font-weight:500}.report-row__why{font-size:14px;color:var(--ink-2)}.reports__dump{font-size:13px}