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img{width:100%;height:100%;object-fit:cover}.post-card__detail-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:60px;height:60px;border-radius:999px;background:#00000073;color:#fff}.comments-sheet__layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100}.comments-sheet__scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000052;animation:feed-scrim-in .2s var(--ease-out)}@keyframes feed-scrim-in{0%{opacity:0}to{opacity:1}}.comments-sheet{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;max-height:82dvh;min-height:46dvh;border-radius:var(--r-post) var(--r-post) 0 0;background:var(--bg-sheet);border-top:1px solid var(--hairline);box-shadow:var(--shadow-sheet);padding-bottom:var(--safe-bottom);animation:comments-sheet-in var(--dur-spring) var(--spring)}@keyframes 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avatar-sheet-in{0%{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}@media(min-width:1024px){.avatar-picker{display:grid;place-items:center;padding:32px}.avatar-picker__sheet{position:relative;width:min(560px,100%);border-radius:var(--r-card);animation:avatar-pop-in var(--dur-spring) var(--spring)}@keyframes avatar-pop-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}}.avatar-picker__bar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px 10px}.avatar-picker__title{font-size:var(--fs-screen-title);font-weight:700;letter-spacing:-.4px}.avatar-picker__done{border:none;background:none;font:inherit;font-size:15px;font-weight:700;color:var(--accent);cursor:pointer}.avatar-picker__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(74px,1fr));gap:16px;padding:8px 18px 18px;overflow-y:auto;overscroll-behavior:contain}.avatar-picker__cell{position:relative;width:74px;height:74px;padding:0;border:1px solid rgba(255,255,255,.9);border-radius:999px;background:var(--bg-chip);cursor:pointer;overflow:hidden;justify-self:center}.avatar-picker__cell img{display:block;width:100%;height:100%;object-fit:cover}.avatar-picker__cell--none{display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}.avatar-picker__cell--selected{border:4px solid var(--accent)}.profile-stub__layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:96}.profile-stub__scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:#0006;animation:profile-scrim-in .2s var(--ease-out)}.profile-stub{position:absolute;left:0;right:0;bottom:0;border-radius:var(--r-card) var(--r-card) 0 0;background:var(--bg-sheet);box-shadow:var(--shadow-sheet);padding:24px 18px calc(16px + var(--safe-bottom));text-align:center;animation:profile-stub-in var(--dur-spring) var(--spring)}@keyframes profile-stub-in{0%{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}.profile-stub__layer--out{pointer-events:none}.profile-stub__layer--out .profile-stub{animation:profile-stub-out .24s var(--ease-out) forwards}@keyframes profile-stub-out{to{transform:translateY(24px);opacity:0}}.profile-stub__layer--out .profile-stub__scrim{animation:profile-scrim-out .2s var(--ease-out) forwards}@keyframes profile-scrim-out{to{opacity:0}}@media(min-width:1024px){.profile-stub__layer{display:grid;place-items:center;padding:32px}.profile-stub{position:relative;width:min(360px,100%);border-radius:var(--r);padding:24px 20px 18px;animation:profile-stub-pop-in var(--dur-spring) var(--spring)}@keyframes profile-stub-pop-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.profile-stub__layer--out .profile-stub{animation:profile-stub-pop-out .2s var(--ease-out) forwards}@keyframes profile-stub-pop-out{to{opacity:0;transform:scale(.97)}}}.profile-stub__title{font-size:var(--fs-section-title);font-weight:700;letter-spacing:-.4px}.profile-stub__text{margin-top:8px;font-size:var(--fs-body);color:var(--text-2)}.profile-stub__ok{margin-top:18px;width:100%}@media(prefers-reduced-motion:reduce){.profile-section--enter,.profile-dialog__scrim,.profile-dialog,.avatar-picker__scrim,.avatar-picker__sheet,.profile-stub,.profile-stub__scrim,.profile-stub__layer--out .profile-stub,.profile-stub__layer--out .profile-stub__scrim{animation:none}button.profile-account__row,a.profile-account__row,.profile-push__switch,.profile-push__knob,.profile-footer a{transition:none}}.auth-screen{max-width:420px;margin:0 auto;display:flex;flex-direction:column;gap:18px;padding:32px var(--page-padding) 48px}.auth-screen__title{font-size:30px;font-weight:900;letter-spacing:-.4px;color:var(--text-1)}.auth-screen__subtitle{margin-top:-10px;font-size:14px;color:var(--text-2)}@keyframes auth-swap-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.auth-swap--anim{animation:auth-swap-in .3s var(--ease-out)}.auth-form{display:flex;flex-direction:column;gap:12px}.auth-field{position:relative}.auth-field__input{width:100%;height:52px;padding:0 16px;border-radius:var(--r-md);border:1px solid var(--hairline);background:var(--bg-elevated);color:var(--text-1);font-size:16px;transition:border-color var(--dur-fast) var(--ease-out)}.auth-field__input::placeholder{color:var(--text-3)}.auth-field__input:focus{outline:none;border-color:var(--accent)}.auth-field--password .auth-field__input{padding-right:50px}.auth-field__eye{position:absolute;top:50%;right:8px;transform:translateY(-50%);display:grid;place-items:center;width:36px;height:36px;border:none;border-radius:999px;background:none;color:var(--text-3);cursor:pointer}.auth-form__hint{font-size:12px;color:var(--text-3)}.auth-form__error{font-size:13px;color:#c2185b}.auth-form__info{font-size:13px;color:var(--text-2)}.auth-form__submit{margin-top:4px}.auth-form__link{align-self:center;padding:6px 12px;border:none;background:none;font-size:14px;font-weight:500;color:var(--text-2);cursor:pointer}.auth-screen__footer{margin-top:12px;text-align:center;font-size:12px;color:var(--text-3)}.auth-screen__footer a{text-decoration:underline}@media(prefers-reduced-motion:reduce){.auth-swap--anim{animation:none}}.onboarding{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:calc(32px + var(--safe-top)) 0 calc(24px + var(--safe-bottom));background:var(--bg-app);overflow:hidden}.onboarding__pager{width:min(100%,480px);overflow:hidden}.onboarding__track{display:flex;transition:transform .3s var(--spring)}.onboarding__page{flex:0 0 100%;display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px;padding:0 30px}.onboarding__icon{display:grid;place-items:center;width:128px;height:128px;border-radius:32px;background:var(--bg-elevated);box-shadow:var(--shadow-card);color:var(--accent)}.onboarding__title{font-size:var(--fs-page-title);font-weight:900;letter-spacing:-.4px;line-height:1.15;color:var(--text-1)}.onboarding__text{font-size:15px;font-weight:500;line-height:1.45;color:var(--text-2)}.onboarding__dots{display:flex;gap:7px}.onboarding__dot{width:7px;height:7px;border-radius:999px;background:var(--text-3);opacity:.4;transition:opacity var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out)}.onboarding__dot--active{background:var(--accent);opacity:1}.onboarding--leaving{animation:onboarding-out .36s var(--ease-out) forwards;pointer-events:none}@keyframes onboarding-out{to{opacity:0}}.onboarding__footer{display:flex;flex-direction:column;align-items:center;gap:12px;width:min(100% - 48px,360px)}.onboarding__hint{font-size:12px;color:var(--text-3);text-align:center;animation:onboarding-hint-in .2s var(--ease-out)}@keyframes onboarding-hint-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.onboarding__primary{width:100%}.onboarding__secondary{border:none;background:none;padding:6px 12px;font-size:14px;font-weight:500;color:var(--text-2);cursor:pointer}.onboarding__secondary:disabled{opacity:.5;cursor:default}.onboarding__privacy{font-size:11px;color:var(--text-3);text-decoration:underline;text-align:center}@media(prefers-reduced-motion:reduce){.onboarding__track{transition:none}.onboarding--leaving,.onboarding__hint{animation:none}}:root{color-scheme:light dark;--accent: #E73338;--accent-deep: #C4262B;--accent-soft: rgba(231, 51, 56, .08);--done: #2BD980;--verified: #1D9BF0;--wordmark-plus: #F4B98C;--media-placeholder: #F8EEEE;--brand-gunin: #E03838;--brand-gunin-fg: #FFFFFF;--brand-vetrova: #C2185B;--brand-vetrova-fg: #FFFFFF;--brand-sofia: #B0D8CD;--brand-sofia-fg: #1C1C1E;--brand-kirdeev: #FF881C;--brand-kirdeev-fg: #1C1C1E;--brand: var(--brand-gunin);--brand-fg: var(--brand-gunin-fg);--bg-app: #F2F2F7;--bg-elevated: #FFFFFF;--bg-glass: rgba(255, 255, 255, .72);--bg-scrim: rgba(120, 120, 128, .14);--bg-sheet: #FBFBFC;--bg-chip: rgba(60, 60, 67, .06);--text-1: #000000;--text-2: rgba(60, 60, 67, .72);--text-3: rgba(60, 60, 67, .55);--hairline: rgba(0, 0, 0, .06);--solid-chip: #000000;--solid-chip-fg: #FFFFFF;--gray5: #E5E5EA;--glass-bg: rgba(255, 255, 255, .5);--glass-stroke: rgba(0, 0, 0, .08);--glass-filter: blur(20px) saturate(1.8) brightness(1.06);--glass-highlight: inset 0 1px 0 0 rgba(255, 255, 255, .55);--glass-shadow: var(--glass-highlight), 0 6px 24px rgba(0, 0, 0, .1), 0 2px 8px rgba(0, 0, 0, .05);--r-post: 28px;--r-card: 22px;--r: 18px;--r-md: 14px;--r-compact: 12px;--r-badge: 6px;--page-padding: 18px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px);--shadow-card: 0 1px 6px rgba(0, 0, 0, .04), 0 6px 36px rgba(0, 0, 0, .1);--shadow-post: 0 1px 0 rgba(0, 0, 0, .04), 0 8px 48px rgba(0, 0, 0, .1), 0 24px 120px rgba(0, 0, 0, .1);--shadow-editor: 0 4px 16px rgba(0, 0, 0, .035);--shadow-editor-raised: 0 10px 36px rgba(0, 0, 0, .08);--shadow-icon: 0 4px 16px rgba(0, 0, 0, .045);--shadow-chip-on: 0 4px 24px rgba(0, 0, 0, .18);--shadow-float: 0 6px 36px rgba(0, 0, 0, .08);--shadow-sheet: 0 -6px 52px rgba(0, 0, 0, .12);--shadow-toast: 0 12px 48px rgba(0, 0, 0, .14);--shadow-cta: 0 8px 28px rgba(231, 51, 56, .22);--shadow-brand: 0 6px 36px color-mix(in srgb, var(--brand) 25%, transparent);--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;--fs-wordmark: 26px;--fs-page-title: 28px;--fs-school-title: 21px;--fs-screen-title: 20px;--fs-section-title: 18px;--fs-lesson-title: 17px;--fs-cta: 16px;--fs-card-title: 15px;--fs-chip: 14px;--fs-body: 13.5px;--fs-body-2: 13px;--fs-meta: 12.5px;--fs-eyebrow: 11px;--fs-badge: 11px;--ease-out: cubic-bezier(0, 0, .2, 1);--spring: cubic-bezier(.25, .9, .3, 1);--spring-overshoot: cubic-bezier(.34, 1.3, .35, 1);--dur-fast: .2s;--dur-spring: .32s;--dur-slow: .45s;--dur-spin: 1.1s;--h-cta: 54px;--h-button: 44px;--h-brand-button: 46px;--h-chip: 34px;--h-segmented: 40px;--size-icon-chrome: 36px;--size-icon-header: 40px;--size-icon-editor: 44px;--size-avatar-post: 32px;--size-avatar-school: 56px;--size-ring: 28px;--h-progress: 5px;--w-product-card: 240px}@media(prefers-color-scheme:dark){:root{--bg-app: #0C0C0F;--bg-elevated: #1C1C1E;--bg-glass: rgba(28, 28, 30, .72);--bg-scrim: rgba(120, 120, 128, .24);--bg-sheet: #141416;--bg-chip: rgba(235, 235, 245, .08);--text-1: #FFFFFF;--text-2: rgba(235, 235, 245, .66);--text-3: rgba(235, 235, 245, .44);--hairline: rgba(255, 255, 255, .12);--solid-chip: #FFFFFF;--solid-chip-fg: #000000;--gray5: #2C2C2E;--glass-bg: rgba(30, 30, 34, .42);--glass-stroke: rgba(255, 255, 255, .16);--glass-filter: blur(22px) saturate(1.9) brightness(1.12);--glass-highlight: inset 0 1px 0 0 rgba(255, 255, 255, .14);--glass-shadow: var(--glass-highlight), 0 8px 30px rgba(0, 0, 0, .44), 0 2px 10px rgba(0, 0, 0, .3)}}:root[data-theme=light]{color-scheme:light;--bg-app: #F2F2F7;--bg-elevated: #FFFFFF;--bg-glass: rgba(255, 255, 255, .72);--bg-scrim: rgba(120, 120, 128, .14);--bg-sheet: #FBFBFC;--bg-chip: rgba(60, 60, 67, .06);--text-1: #000000;--text-2: rgba(60, 60, 67, .72);--text-3: rgba(60, 60, 67, .55);--hairline: rgba(0, 0, 0, .06);--solid-chip: #000000;--solid-chip-fg: #FFFFFF;--gray5: #E5E5EA;--glass-bg: rgba(255, 255, 255, .5);--glass-stroke: rgba(0, 0, 0, .08);--glass-filter: blur(20px) saturate(1.8) brightness(1.06);--glass-highlight: inset 0 1px 0 0 rgba(255, 255, 255, .55);--glass-shadow: var(--glass-highlight), 0 6px 24px rgba(0, 0, 0, .1), 0 2px 8px rgba(0, 0, 0, .05)}:root[data-theme=dark]{color-scheme:dark;--bg-app: #0C0C0F;--bg-elevated: #1C1C1E;--bg-glass: rgba(28, 28, 30, .72);--bg-scrim: rgba(120, 120, 128, .24);--bg-sheet: #141416;--bg-chip: rgba(235, 235, 245, .08);--text-1: #FFFFFF;--text-2: rgba(235, 235, 245, .66);--text-3: rgba(235, 235, 245, .44);--hairline: rgba(255, 255, 255, .12);--solid-chip: #FFFFFF;--solid-chip-fg: #000000;--gray5: #2C2C2E;--glass-bg: rgba(30, 30, 34, .42);--glass-stroke: rgba(255, 255, 255, .16);--glass-filter: blur(22px) saturate(1.9) brightness(1.12);--glass-highlight: inset 0 1px 0 0 rgba(255, 255, 255, .14);--glass-shadow: var(--glass-highlight), 0 8px 30px rgba(0, 0, 0, .44), 0 2px 10px rgba(0, 0, 0, .3)}[data-brand=gunin],.brand-gunin{--brand: var(--brand-gunin);--brand-fg: var(--brand-gunin-fg)}[data-brand=vetrova],.brand-vetrova{--brand: var(--brand-vetrova);--brand-fg: var(--brand-vetrova-fg)}[data-brand=sofia],.brand-sofia{--brand: var(--brand-sofia);--brand-fg: var(--brand-sofia-fg)}[data-brand=kirdeev],.brand-kirdeev{--brand: var(--brand-kirdeev);--brand-fg: var(--brand-kirdeev-fg)}@keyframes vibe-spin{to{transform:rotate(360deg)}}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%}body{min-height:100vh;min-height:100dvh;background:var(--bg-app);color:var(--text-1);font-family:var(--font);font-size:16px;line-height:1.4;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit;overflow-wrap:break-word}p{overflow-wrap:break-word}img,picture,video,canvas,svg{display:block;max-width:100%}button,input,textarea,select{font:inherit;color:inherit}a{color:inherit;text-decoration:none}ul,ol{padding:0;list-style:none}.u-tabular{font-variant-numeric:tabular-nums}*{scrollbar-width:thin;scrollbar-color:var(--bg-scrim) transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-scrim);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--text-3)}:focus{outline:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}