@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-latin-400-normal-CDDApCn2.woff2)format("woff2"),url(/assets/ibm-plex-sans-latin-400-normal-CYLoc0-x.woff)format("woff")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-latin-500-normal-6ng42L7E.woff2)format("woff2"),url(/assets/ibm-plex-sans-latin-500-normal-BgVn5rGT.woff)format("woff")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-latin-600-normal-CuJfVYMP.woff2)format("woff2"),url(/assets/ibm-plex-sans-latin-600-normal-Cu4Hd6ag.woff)format("woff")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-cyrillic-400-normal-DZqxrq2p.woff2)format("woff2"),url(/assets/ibm-plex-sans-cyrillic-400-normal-BTotfTJu.woff)format("woff")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-cyrillic-500-normal-CocWQlwt.woff2)format("woff2"),url(/assets/ibm-plex-sans-cyrillic-500-normal-ByOcLdNv.woff)format("woff")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-cyrillic-600-normal-71GNu3SW.woff2)format("woff2"),url(/assets/ibm-plex-sans-cyrillic-600-normal-BGq0mW3O.woff)format("woff")}@font-face{font-family:Literata;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/literata-latin-500-normal-Dbph1WrK.woff2)format("woff2"),url(/assets/literata-latin-500-normal-B-T_MU67.woff)format("woff")}@font-face{font-family:Literata;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/literata-cyrillic-500-normal-DQDv4C2e.woff2)format("woff2"),url(/assets/literata-cyrillic-500-normal-DmI56pSQ.woff)format("woff")}._root_2vdns_1{z-index:30;isolation:isolate;overscroll-behavior:contain;position:fixed;inset:0;overflow:hidden}._backdrop_2vdns_10{touch-action:none;background:#0a0c1073;transition:opacity .18s ease-out;animation:.18s ease-out _fade-in_2vdns_1;position:absolute;inset:0}._sheet_2vdns_19{max-height:calc(100% - max(12px, env(safe-area-inset-top,0px)));overscroll-behavior:contain;background:var(--surface-raised);border:1px solid var(--line);box-shadow:var(--pop);transform:translateY(var(--sheet-offset,0px));touch-action:pan-y;border-bottom:0;border-radius:24px 24px 0 0;outline:none;transition:transform .18s ease-out;position:absolute;inset:auto 0 0;overflow-y:auto}._sheet_2vdns_19[data-entering]{animation:.18s ease-out _slide-in_2vdns_1}._sheet_2vdns_19[data-dragging]{-webkit-user-select:none;user-select:none;transition:none;animation:none}._header_2vdns_46{z-index:1;background:var(--surface-raised);border-bottom:1px solid var(--line);touch-action:none;position:sticky;top:0}._handle_2vdns_55{place-items:center;height:20px;display:grid}._handle_2vdns_55 span{background:var(--muted);opacity:.55;border-radius:2px;width:36px;height:4px}._heading_2vdns_69{align-items:flex-start;gap:12px;padding:0 12px 10px 20px;display:flex}._title_2vdns_76{overflow-wrap:anywhere;flex:1;min-width:0;padding-block:8px;font-size:19px;font-weight:600;line-height:1.4}._close_2vdns_86{width:44px;height:44px;color:var(--ink-2);touch-action:manipulation;border-radius:12px;flex:none;place-items:center;display:grid}._close_2vdns_86:active{background:var(--surface-2)}@media (hover:hover){._close_2vdns_86:hover{background:var(--surface-2)}}._body_2vdns_107{padding:16px 20px calc(20px + env(safe-area-inset-bottom,0px));overflow-wrap:anywhere}._root_2vdns_1[data-closing] ._sheet_2vdns_19{animation:none;transform:translateY(100%)}._root_2vdns_1[data-closing] ._backdrop_2vdns_10{opacity:0}@media (width>=768px){._sheet_2vdns_19{width:min(640px,100% - 48px);max-height:calc(100% - 48px);margin-inline:auto}}@keyframes _slide-in_2vdns_1{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes _fade-in_2vdns_1{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){._sheet_2vdns_19,._backdrop_2vdns_10{transition:none;animation:none}}:root{font-synthesis:none;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f3f4f1;--surface:#fff;--surface-raised:#fff;--surface-2:#edf0ec;--ink:#172222;--ink-2:#42504d;--muted:#5d6b69;--line:#dce2dd;--brand:#245c54;--brand-soft:#e1eee7;--amber:#ad6417;--error:#a42d24;--pop:0 24px 72px #10201b22;background:var(--bg);color:var(--ink);font-family:IBM Plex Sans,system-ui,sans-serif;font-size:16px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#10191a;--surface:#192526;--surface-raised:#203031;--surface-2:#273737;--ink:#eef3ee;--ink-2:#c1d0ca;--muted:#a9b9b4;--line:#3f5150;--brand:#9cd5bf;--brand-soft:#263f36;--amber:#e6ac64;--error:#ffaba2;--pop:0 24px 72px #0006}}*{box-sizing:border-box}body{margin:0}body:has([data-modal-root]){overflow:hidden}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;background:var(--surface-2);color:var(--ink);touch-action:manipulation;border:0;border-radius:12px;min-height:44px;padding:10px 15px;transition:background .14s,transform .14s}button:disabled{cursor:default;opacity:.5}button:active:not(:disabled),a:active{transform:scale(.98)}button[data-pressed],a[data-pressed]{background:var(--surface-2)}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--ink-2);outline-offset:3px}a{color:inherit;touch-action:manipulation;text-decoration:none}input{min-width:0;max-width:100%;color:var(--ink);background:var(--surface)}h1,h2,h3,p{margin:0}h1{letter-spacing:-.035em;font-family:Literata,Georgia,serif;font-size:clamp(2rem,5vw,3.4rem);font-weight:500;line-height:1.13}h1 em{color:var(--brand);font-style:normal}h2{font-size:1.12rem;font-weight:600;line-height:1.35}p{overflow-wrap:anywhere}svg{flex:none}img{max-width:100%}button,nav,.brand{-webkit-user-select:none;user-select:none}button:disabled:active{transform:none}.app{min-height:100dvh}.topbar{max-width:1256px;min-height:88px;padding:max(16px, env(safe-area-inset-top)) 28px 16px;align-items:center;gap:12px;margin:auto;display:flex}.topbar>:last-child{margin-left:auto}.brand{letter-spacing:-.05em;align-items:center;gap:10px;font-size:1.5rem;font-weight:600;display:inline-flex}.brand-mark{color:#f0bb78;background:#183f3c;border-radius:12px;place-items:center;width:40px;height:40px;display:grid}.brand-mark svg{fill:currentColor;stroke:none;width:19px;transform:translate(1px)}.icon-button{background:0 0;border-radius:14px;flex:none;place-items:center;width:44px;height:44px;padding:0;display:inline-grid}.icon-button:hover{background:var(--surface-2)}.header-title{text-overflow:ellipsis;white-space:nowrap;max-width:calc(100% - 112px);font-weight:500;overflow:hidden}.page{max-width:1256px;padding:16px 28px calc(112px + env(safe-area-inset-bottom));margin:auto}.page-heading{justify-content:space-between;align-items:flex-end;gap:24px;margin:20px 0 32px;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:12px;font-size:.72rem;font-weight:600}.catalog-label{color:var(--muted);font-size:.88rem}.muted{color:var(--muted)}.small{font-size:.83rem}.tabular,.duration,.filters span{font-variant-numeric:tabular-nums}.search{border:1px solid var(--line);background:var(--surface);border-radius:16px;align-items:center;gap:12px;margin-bottom:24px;padding:6px 8px 6px 16px;display:flex}.search>svg{color:var(--muted)}.search input{background:0 0;border:0;outline:0;flex:1;width:100%;min-height:44px}.search:focus-within{border-color:var(--ink-2);box-shadow:0 0 0 1px var(--ink-2)}.search input:focus-visible{outline:0}.search button{font-size:.88rem}.result-count{margin-bottom:16px;font-size:.83rem}.video-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 24px;display:grid}.video-card{background:var(--surface);border-radius:20px;min-width:0;transition:transform .16s,box-shadow .16s;display:block;overflow:hidden}.video-card:hover{box-shadow:var(--pop);transform:translateY(-2px)}.video-card:active{transform:scale(.98)}.poster{aspect-ratio:16/9;background:var(--brand-soft);position:relative;overflow:hidden}.poster img{object-fit:cover;width:100%;height:100%}.poster-placeholder{color:#ead8b7;background:linear-gradient(140deg,#21443d,#6c8576);place-items:center;height:100%;display:grid}.duration{color:#fff;background:#101b1cd9;border-radius:6px;padding:6px 8px;font-size:.76rem;line-height:1;position:absolute;bottom:12px;right:12px}.card-play{color:#20483c;opacity:0;background:#f9fbf2e6;border-radius:50%;place-items:center;width:46px;height:46px;transition:opacity .14s;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.video-card:hover .card-play{opacity:1}.card-copy{padding:18px}.card-title-row{align-items:flex-start;gap:10px;display:flex}.card-title-row h2{overflow-wrap:anywhere;flex:1;min-width:0}.level{letter-spacing:.05em;background:var(--brand-soft);color:var(--brand);border-radius:6px;flex:none;padding:3px 7px;font-size:.72rem;font-weight:600;display:inline-block}.card-copy>p{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:8px 0 18px;font-size:.9rem;display:-webkit-box;overflow:hidden}.progress{background:var(--line);border-radius:3px;height:3px;margin-bottom:8px;overflow:hidden}.progress>span{background:var(--amber);border-radius:3px;height:100%;display:block}.bottom-nav{z-index:10;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);justify-content:center;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{color:var(--muted);justify-content:center;align-items:center;gap:10px;width:min(240px,50%);min-height:64px;font-size:.9rem;transition:background .14s;display:flex}.bottom-nav a[aria-current]{color:var(--ink);background:var(--surface-2)}.empty{text-align:center;max-width:480px;margin:72px auto;padding:24px 8px}.empty-icon{background:var(--brand-soft);width:84px;height:84px;color:var(--brand);border-radius:24px;place-items:center;margin:0 auto 22px;display:grid}.empty h2{margin:18px 0 12px;font-family:Literata,Georgia,serif;font-size:1.5rem;font-weight:500}.empty p{color:var(--muted);max-width:42ch;margin:auto}.empty button{margin-top:24px}.loading{min-height:180px;color:var(--muted);justify-content:center;align-items:center;gap:10px;display:flex}.spinner{border:2px solid var(--line);border-top-color:var(--muted);vertical-align:middle;border-radius:50%;width:18px;height:18px;margin-right:8px;animation:.9s linear infinite spin;display:inline-block}.notice,.inline-error{background:var(--surface);border:1px solid var(--line);border-radius:16px;margin-block:18px;padding:18px}.notice p,.inline-error p{margin-bottom:12px}.error,.inline-error{color:var(--error)}.filters{background:var(--surface-2);border-radius:16px;gap:4px;margin-bottom:24px;padding:4px;display:flex}.filters button{background:0 0;flex:1;justify-content:center;align-items:center;gap:8px;padding:10px 8px;font-size:.88rem;display:flex}.filters button[aria-pressed=true]{background:var(--surface);box-shadow:0 1px 4px #0000000d}.filters span{color:var(--muted);min-width:2ch;font-size:.76rem}.word-list{background:var(--surface);border-radius:20px;padding:8px 20px}.word-list>a{border-bottom:1px solid var(--line);align-items:center;gap:16px;min-height:88px;padding:16px 0;display:flex}.word-list>a:last-child{border-bottom:0}.word-list>a>div{flex:1;min-width:0}.word-list strong{overflow-wrap:anywhere;font-size:1.15rem;font-weight:500}.word-list p{color:var(--muted);margin-top:4px;font-size:.9rem}.word-marker{color:var(--muted);white-space:nowrap;font-size:.72rem}.word-marker.learning{color:var(--brand)}.word-marker.known{color:var(--ink-2)}.load-more{margin:24px auto;display:block}.entry-page{max-width:720px;margin:20px auto}.entry-heading{overflow-wrap:anywhere;margin-bottom:32px}.entry-content{gap:28px;display:grid}.entry-content section{gap:12px;display:grid}.entry-content section h2{font-size:.94rem}.meaning-heading{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.part-of-speech{color:var(--muted);font-size:.8rem;font-style:italic}.entry-translation{font-size:1.4rem;font-weight:500;line-height:1.4}.context-meaning{background:var(--brand-soft);color:var(--brand);border-radius:14px;padding:16px}.context-meaning .eyebrow{color:var(--brand);margin-bottom:6px}.status-options{gap:8px;display:flex}.status-options button{background:var(--surface-2);flex:1}.status-options button[aria-pressed=true]{background:var(--brand-soft);color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}.examples{gap:14px;display:grid}.example{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px}.example>p+p{margin-top:6px}.example>a{min-height:44px;color:var(--brand);justify-content:space-between;align-items:center;gap:12px;margin-top:16px;font-size:.88rem;display:flex}.example>a span{white-space:nowrap}.watch-grid{grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);align-items:start;gap:28px;display:grid}.watch-primary{min-width:0}.player-frame{aspect-ratio:16/9;background:#080d0d;border-radius:20px;position:relative;overflow:hidden}.player-frame video{object-fit:contain;width:100%;height:100%;display:block}.media-error{color:#fff;background:#10191ae6;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:absolute;inset:0}.watch-toolbar{justify-content:space-between;align-items:center;gap:12px;padding:8px 0;display:flex}.watch-toolbar>div{align-items:center;gap:4px;display:flex}.watch-toolbar>.muted{font-size:.8rem}.speed-button{background:0 0;min-width:44px;padding-inline:8px;font-size:.88rem}.current-cue{background:var(--surface);border-radius:20px;margin:12px 0 24px;padding:24px}.cue-text{overflow-wrap:anywhere;font-size:clamp(1.25rem,3vw,1.6rem);line-height:1.75}.cue-word{min-height:0;color:inherit;font:inherit;background:0 0;border-radius:4px;padding:2px 0;display:inline;box-shadow:0 1px #7a968a66}.cue-word:hover,.cue-word:focus-visible{background:var(--brand-soft);color:var(--brand)}.cue-text .cue-word{padding-block:6px}.cue-translation{color:var(--muted);margin-top:12px;line-height:1.7}.translation-toggle{color:var(--muted);text-underline-offset:4px;background:0 0;margin-top:8px;padding-inline:0;font-size:.85rem;text-decoration:underline}.translation-toggle[aria-pressed=true]{color:var(--ink)}.cue-navigation{justify-content:space-between;gap:12px;margin-top:20px;display:flex}.cue-navigation button{color:var(--muted);background:0 0;padding-inline:4px;font-size:.8rem}.video-about{padding:0 4px}.video-about h1{letter-spacing:-.02em;margin-bottom:10px;font-family:IBM Plex Sans,sans-serif;font-size:1.5rem;font-weight:600;line-height:1.3}.video-about>p{margin-top:14px}.transcript{background:var(--surface);border-radius:20px;min-width:0;padding:20px}.transcript-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;display:flex}.transcript-heading button{color:var(--muted);background:0 0;padding-inline:10px;font-size:.76rem}.transcript ol{overscroll-behavior:contain;max-height:680px;margin:0;padding:0;list-style:none;overflow-y:auto}.transcript li{border-radius:12px;grid-template-columns:44px minmax(0,1fr);align-items:start;gap:12px;padding:12px 8px;display:grid}.transcript li.current{background:var(--brand-soft)}.transcript li>p{padding-block:5px;font-size:.94rem;line-height:1.9}.cue-timestamp{color:var(--muted);font-variant-numeric:tabular-nums;background:0 0;min-width:44px;min-height:44px;padding:4px 0;font-size:.72rem}.cue-pages{justify-content:space-between;align-items:center;gap:8px;margin-top:16px;display:flex}.cue-pages span{color:var(--muted);font-size:.7rem}.cue-pages button{padding-inline:10px;font-size:.75rem}.word-panel-title{align-items:center;gap:12px;display:flex}.word-panel-title>a{overflow-wrap:anywhere;color:var(--ink);text-decoration:underline;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line);text-underline-offset:6px;font-size:1.5rem;line-height:1.4}.word-panel-title>.icon-button{color:var(--muted)}.settings-row{justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;display:flex}.welcome{grid-template-columns:1fr 1fr;align-items:center;gap:7vw;max-width:1440px;min-height:100dvh;margin:auto;padding:40px;display:grid}.welcome-copy{max-width:540px;padding-block:32px}.welcome-copy>.brand{margin-bottom:56px}.welcome-copy h1{letter-spacing:-.05em;font-size:clamp(2.8rem,5.5vw,5rem);line-height:1.1}.lead{color:var(--muted);max-width:44ch;margin:28px 0 32px;font-size:1.05rem;line-height:1.8}.primary{background:var(--brand);min-height:56px;color:var(--surface);border-radius:16px;justify-content:center;align-items:center;gap:14px;padding:14px 20px;font-weight:500;display:flex}.login{max-width:380px;margin-bottom:18px}.login>:last-child{margin-left:auto}.welcome-art{isolation:isolate;background:#183f3c;border-radius:36px;justify-content:center;align-items:center;min-height:640px;display:flex;position:relative;overflow:hidden}.art-circle{z-index:-1;background:#b8c9a944;border-radius:50%;width:520px;height:520px;position:absolute;top:-120px;left:-100px}.art-frame{color:#e9bd80;background:#eaf0da12;border:1px solid #c5d5b877;border-radius:26px;place-items:center;width:70%;height:240px;display:grid;transform:rotate(-8deg)}.art-frame svg{fill:currentColor;stroke:none;filter:drop-shadow(0 12px 24px #0002)}.art-caption{color:#e8eedb;letter-spacing:-.02em;font-family:Literata,Georgia,serif;font-size:2rem;line-height:1.4;position:absolute;bottom:44px;left:40px}.welcome-copy .notice{max-width:400px}@media (width>=1280px){.detail{padding-top:24px}.welcome{gap:8vw}}@media (width<=959px){.watch-grid{grid-template-columns:1fr}.transcript ol{max-height:none}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.welcome{gap:40px;padding:28px}.welcome-art{min-height:560px}.art-caption{font-size:1.5rem;left:28px}.art-frame{height:200px}.welcome-copy>.brand{margin-bottom:40px}.welcome-copy h1{font-size:3.4rem}}@media (width<=639px){.topbar{min-height:76px;padding:16px 16px 12px;padding-top:max(16px, env(safe-area-inset-top))}.page{padding:8px 16px calc(100px + env(safe-area-inset-bottom))}.brand{font-size:1.4rem}.page-heading{margin:18px 0 24px}.page-heading h1{font-size:2.25rem}.catalog-label{display:none}.video-grid{grid-template-columns:1fr;gap:20px}.card-copy{padding:16px}.video-card:hover{transform:none}.bottom-nav a{min-height:64px;font-size:.85rem}.empty{margin-top:48px}.filters{gap:0}.filters button{gap:5px;padding-inline:6px;font-size:.77rem}.word-list{padding-inline:16px}.word-list>a{gap:10px}.search{gap:8px;padding-left:12px}.search button{padding-inline:10px}.search input{font-size:1rem}.current-cue{padding:20px}.player-frame{border-radius:16px}.watch-toolbar{gap:4px}.watch-toolbar>div{gap:0}.transcript{padding:16px}.welcome{max-width:540px;padding:24px;display:block}.welcome-art{border-radius:24px;height:180px;min-height:180px;margin-top:12px}.art-frame{width:48%;height:116px;margin-left:42%;transform:rotate(-8deg)}.art-frame svg{width:40px}.art-circle{width:280px;height:280px;top:-120px;left:-80px}.art-caption{max-width:45%;font-size:1.15rem;bottom:28px;left:24px}.welcome-copy{padding-block:32px}.welcome-copy>.brand{margin-bottom:32px}.welcome-copy h1{font-size:3rem}.welcome-copy .eyebrow{font-size:.67rem}.lead{margin-top:24px;font-size:1rem}.login{max-width:none}.entry-page{margin:18px 0}.entry-heading{font-size:2.4rem}.entry-translation{font-size:1.3rem}.status-options{gap:6px}.status-options button{padding-inline:8px;font-size:.88rem}}@media (width<=359px){.page,.topbar{padding-inline:12px}.welcome{padding:20px}.welcome-copy h1{font-size:2.6rem}.filters button{flex-direction:column;gap:0}.cue-navigation{gap:6px}.current-cue{padding:16px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}@keyframes spin{to{transform:rotate(360deg)}}