:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#17191f;--ink-soft:#2b2e37;--muted:#6e6c66;--paper:#f4f0e7;--paper-deep:#e8e1d4;--panel:#fffdf8;--panel-soft:#f8f4ec;--line:#d8d0c2;--line-strong:#bdb4a4;--navy:#171c27;--navy-soft:#242c3a;--mint:#52dfb0;--mint-deep:#08775d;--red:#c83c31;--red-deep:#87241e;--amber:#f5c653;--blue:#2f66de;--blue-soft:#e8efff;--success:#1f9f73;--danger:#d94235;--shadow:0 24px 70px #1e1b151c;--shadow-small:0 12px 28px #1e1b1517}*{box-sizing:border-box}html{background:var(--paper);scroll-behavior:smooth;min-width:320px}body{min-width:320px;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 92% 8%, #52dfb02e, transparent 28rem), radial-gradient(circle at 72% 96%, #e84d3d1a, transparent 32rem), linear-gradient(90deg, #17191f0b 1px, transparent 1px), linear-gradient(#17191f0a 1px, transparent 1px), var(--paper);background-size:auto,auto,44px 44px,44px 44px,auto;margin:0;font-family:Atkinson Hyperlegible,Trebuchet MS,sans-serif;overflow-x:hidden}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:#52dfb02e;touch-action:manipulation}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.44}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}h1,h2,h3{text-wrap:balance;font-family:Literata,Georgia,serif}h1{letter-spacing:-.055em;max-width:900px;margin-bottom:8px;font-size:clamp(2.15rem,4.2vw,4.65rem);line-height:.98}h2{letter-spacing:-.035em}textarea{resize:vertical}code{background:#17191f14;border-radius:4px;padding:.08em .3em;font-size:.92em}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--amber);outline-offset:3px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;color:#fff;background:var(--navy);border-radius:8px;padding:10px 14px;transition:transform 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strong{font-family:Literata,Georgia,serif;font-size:1rem;line-height:1.08;display:block}.brand-copy small,.mobile-brand small{color:#f9f7f19e;margin-top:4px;font-size:.8rem;display:block}.nav-stack{gap:6px;display:grid}.nav-item{color:#f9f7f1b8;background:0 0;border:1px solid #0000;border-radius:12px;align-items:center;gap:11px;min-height:44px;padding:10px 12px;font-weight:700;transition:color .14s,background-color .14s,border-color .14s,transform .14s;display:flex}.nav-item:hover{color:#fff;background:#ffffff0f;transform:translate(2px)}.nav-item.active{color:var(--navy);background:var(--mint);border-color:#fff9;box-shadow:4px 4px #f5c653eb}.sidebar-session{background:#ffffff12;border:1px solid #ffffff1f;border-radius:16px;grid-template-columns:62px minmax(0,1fr);align-items:center;gap:12px;margin-top:auto;padding:14px;display:grid}.sidebar-ring,.mission-ring,.summary-score{--progress:0%;background:radial-gradient(circle closest-side, var(--navy) 73%, transparent 75% 99%), conic-gradient(var(--mint) var(--progress), #ffffff21 0);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;display:grid}.sidebar-ring{width:62px;height:62px}.sidebar-ring span{align-self:end;font-size:1.1rem;font-weight:700}.sidebar-ring small{color:#ffffff94;align-self:start;font-size:.7rem}.sidebar-session>div:last-child{min-width:0}.sidebar-session>div:last-child span{color:#ffffff8f;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;display:block}.sidebar-session>div:last-child strong{margin-top:4px;font-size:.88rem;line-height:1.2;display:block}.side-metrics{gap:7px;display:grid}.metric{background:#ffffff0b;border:1px solid #ffffff17;border-radius:10px;grid-template-columns:20px minmax(0,1fr) auto;align-items:center;gap:8px;min-height:38px;padding:8px 10px;display:grid}.metric span{color:#ffffff8f;font-size:.78rem}.metric strong{color:var(--mint);font-variant-numeric:tabular-nums;font-size:.84rem}.ghost-button,.primary-button,.icon-button,.sound-button,.record-button,.voice-button,.rating-row button,.segmented button,.line-sound,.action-controls button,.dialogue-tools button,.dialogue-turn button{border-radius:11px;justify-content:center;align-items:center;gap:8px;min-height:42px;display:inline-flex}.ghost-button{color:#ffffffad;background:0 0;border:1px solid #ffffff1c;padding:9px 12px}.ghost-button:hover{color:#fff;background:#ffffff12}.reset-button{width:100%}.mobile-header,.mobile-nav{display:none}.workspace{width:100%;min-width:0;max-width:1600px;margin:0 auto;padding:34px clamp(24px,4vw,66px) 64px}.topbar{justify-content:space-between;align-items:flex-start;gap:28px;margin-bottom:30px;display:flex}.topbar-copy{min-width:0}.eyebrow{color:var(--mint-deep);letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;font-size:.75rem;font-weight:700}.view-subtitle{max-width:700px;color:var(--muted);text-wrap:pretty;margin-bottom:0;font-size:1rem;line-height:1.45}.search-box{background:var(--panel);border:1px solid var(--line-strong);border-radius:13px;grid-template-columns:20px minmax(0,1fr);align-items:center;gap:10px;width:min(340px,100%);min-height:48px;margin-top:3px;padding:0 14px;transition:border-color .14s,box-shadow .14s;display:grid;box-shadow:5px 5px #52dfb059}.search-box:focus-within{border-color:var(--mint-deep);box-shadow:5px 5px #52dfb09e}.search-box input{width:100%;min-width:0;height:46px;color:var(--ink);background:0 0;border:0;outline:0}.topbar-status{min-width:150px;color:var(--panel);background:var(--navy);box-shadow:5px 5px 0 var(--amber);border-radius:14px;align-items:center;gap:11px;padding:11px 14px;display:flex}.topbar-status>span{display:grid}.topbar-status small{color:#ffffff94;letter-spacing:.1em;text-transform:uppercase;font-size:.68rem}.topbar-status strong{font-variant-numeric:tabular-nums}.primary-button{color:#fff;background:var(--blue);border:1px solid #184cae;min-height:46px;padding:10px 15px;font-weight:700;transition:transform .13s,box-shadow .13s,background-color .13s;box-shadow:4px 4px #17191f33}.primary-button:hover:not(:disabled){background:#2459c5;transform:translate(-1px,-1px);box-shadow:5px 5px #17191f3d}.primary-button:active:not(:disabled){transform:translate(2px,2px);box-shadow:1px 1px #17191f3d}.icon-button,.line-sound{background:var(--panel);border:1px solid var(--line);width:44px;padding:0}.icon-button:hover,.line-sound:hover{color:var(--blue);border-color:var(--blue)}.today-dashboard{gap:22px;display:grid}.mission-card{color:#fff;min-height:340px;box-shadow:var(--shadow);background:radial-gradient(circle at 80% 18%,#52dfb047,#0000 17rem),linear-gradient(125deg,#1a202d 0%,#242b38 56%,#17261f 100%);border:1px solid #ffffff1c;border-radius:28px 28px 9px;grid-template-columns:minmax(0,1fr) 260px;display:grid;position:relative;overflow:hidden}.mission-card:after{content:"";border:1px solid #ffffff14;border-radius:50%;width:280px;height:280px;position:absolute;bottom:-90px;right:-70px;box-shadow:0 0 0 38px #ffffff06,0 0 0 76px #ffffff05}.mission-copy{z-index:1;flex-direction:column;justify-content:center;align-items:flex-start;padding:clamp(28px,5vw,58px);display:flex;position:relative}.mission-label{color:var(--mint);letter-spacing:.1em;text-transform:uppercase;background:#52dfb01a;border:1px solid #52dfb047;border-radius:999px;align-items:center;gap:7px;margin-bottom:20px;padding:7px 10px;font-size:.74rem;font-weight:700;display:inline-flex}.mission-copy h2{letter-spacing:-.055em;max-width:720px;margin-bottom:16px;font-size:clamp(2rem,4.3vw,4.15rem);line-height:1.02}.mission-copy p{color:#ffffffad;max-width:650px;margin-bottom:26px;font-size:1.02rem;line-height:1.5}.mission-cta{color:var(--navy);background:var(--mint);box-shadow:5px 5px 0 var(--amber);border-color:#1ba47e}.mission-cta:hover{color:var(--navy);background:#69ebbf}.mission-meter{z-index:1;background:#ffffff09;border-left:1px solid #ffffff17;align-content:center;place-items:center;gap:17px;padding:28px;display:grid;position:relative}.mission-ring{background:radial-gradient(circle closest-side, #202834 72%, transparent 74% 99%), conic-gradient(var(--mint) var(--progress), #ffffff1a 0);width:164px;height:164px}.mission-ring span{align-self:end;font-family:Literata,Georgia,serif;font-size:2.45rem;line-height:1}.mission-ring small{color:#fff9;align-self:start;font-size:.82rem}.mission-meter-copy{text-align:center;display:grid}.mission-meter-copy strong{color:var(--mint);font-variant-numeric:tabular-nums;font-size:1.28rem}.mission-meter-copy span{color:#ffffff94;font-size:.82rem}.quick-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.quick-card{background:var(--panel);border:1px solid var(--line);min-width:0;min-height:172px;box-shadow:var(--shadow-small);border-radius:18px 18px 7px;grid-template-columns:46px minmax(0,1fr) auto;gap:6px 12px;padding:17px;transition:transform .15s,box-shadow .15s,border-color .15s;display:grid;position:relative}.quick-card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:0 18px 36px #1e1b1521}.quick-icon{width:44px;height:44px;color:var(--navy);background:var(--mint);border:1px solid #20af84;border-radius:12px 12px 4px;grid-row:1/span 2;place-items:center;display:grid}.quick-card:nth-child(2) .quick-icon{background:var(--amber);border-color:#c49321}.quick-card:nth-child(3) .quick-icon{color:#fff;background:var(--red);border-color:var(--red-deep)}.quick-card:nth-child(4) .quick-icon{color:#fff;background:var(--blue);border-color:#1749a7}.quick-kicker{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;align-self:end;font-size:.68rem;font-weight:700}.quick-card>strong{align-self:start;font-family:Literata,Georgia,serif;font-size:1.15rem}.quick-card>small{color:var(--muted);grid-column:1/-1;line-height:1.3}.quick-progress{background:var(--paper-deep);border-radius:999px;grid-column:1/3;align-self:end;height:6px;overflow:hidden}.quick-progress>span{background:var(--mint-deep);border-radius:inherit;height:100%;transition:width .24s;display:block}.quick-count{font-variant-numeric:tabular-nums;align-self:end;font-size:.78rem;font-weight:700}.dashboard-lower{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px;display:grid}.phrase-card,.momentum-card{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-small);border-radius:20px;padding:clamp(20px,3vw,30px)}.phrase-card{background:linear-gradient(145deg, #f5c6532e, transparent 45%), var(--panel);position:relative;overflow:hidden}.phrase-card:after{content:"БГ";color:#17191f0b;width:130px;height:130px;font-family:Literata,Georgia,serif;font-size:5.5rem;font-weight:700;position:absolute;bottom:-36px;right:-30px;transform:rotate(-7deg)}.panel-heading{z-index:1;justify-content:space-between;align-items:flex-start;gap:16px;display:flex;position:relative}.panel-heading span{color:var(--mint-deep);letter-spacing:.1em;text-transform:uppercase;font-size:.72rem;font-weight:700}.panel-heading h2{margin:4px 0 0;font-size:1.2rem}.phrase-card>p{z-index:1;max-width:650px;margin:30px 0 12px;font-family:Literata,Georgia,serif;font-size:clamp(1.45rem,3vw,2.45rem);font-weight:700;line-height:1.15;position:relative}.phrase-card>span{z-index:1;color:var(--muted);line-height:1.4;position:relative}.activity-strip{grid-template-columns:repeat(14,minmax(12px,1fr));gap:5px;margin:28px 0 24px;display:grid}.activity-strip>span{text-align:center;gap:6px;min-width:0;display:grid}.activity-strip i{background:var(--paper-deep);border:1px solid var(--line);border-radius:5px;height:24px;display:block}.activity-strip .active i{background:var(--mint);border-color:#1daf83;box-shadow:inset 0 -5px #08775d33}.activity-strip small{color:var(--muted);font-size:.58rem;overflow:hidden}.momentum-stats{border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.momentum-stats span{color:var(--muted);text-align:center;gap:3px;padding:17px 10px 0;font-size:.72rem;display:grid}.momentum-stats span+span{border-left:1px solid var(--line)}.momentum-stats strong{color:var(--ink);font-variant-numeric:tabular-nums;font-family:Literata,Georgia,serif;font-size:1.35rem}.cards-workbench{grid-template-columns:minmax(0,1fr) 290px;align-items:start;gap:18px;display:grid}.study-column{border:1px solid var(--line);min-width:0;box-shadow:var(--shadow-small);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffdf8bd;border-radius:20px;padding:18px}.segmented{scrollbar-width:thin;gap:8px;padding-bottom:6px;display:flex;overflow-x:auto}.segmented button{min-height:36px;color:var(--muted);background:var(--panel);border:1px solid var(--line);flex:none;padding:7px 11px}.segmented button:hover{color:var(--ink);border-color:var(--line-strong)}.segmented button.active{color:var(--navy);background:var(--amber);border-color:#c79320;font-weight:700;box-shadow:3px 3px #17191f26}.study-progress{color:var(--muted);grid-template-columns:1fr auto;gap:8px;margin:12px 0;font-size:.76rem;font-weight:700;display:grid}.study-progress i{background:var(--paper-deep);border-radius:999px;grid-column:1/-1;height:5px;overflow:hidden}.study-progress i span{background:var(--blue);border-radius:inherit;height:100%;transition:width .22s;display:block}.study-card{background:radial-gradient(circle at 14% 18%, #52dfb038, transparent 18rem), radial-gradient(circle at 92% 100%, #e84d3d1a, transparent 22rem), var(--panel);border:2px solid var(--ink);min-height:500px;box-shadow:8px 8px 0 var(--navy);border-radius:18px 18px 6px;flex-direction:column;padding:clamp(24px,4.5vw,48px);display:flex;position:relative;overflow:hidden}.study-card:after{content:"";opacity:.1;background:linear-gradient(var(--ink) 1px, transparent 1px), linear-gradient(90deg, var(--ink) 1px, transparent 1px);pointer-events:none;background-size:24px 24px;width:120px;height:90px;position:absolute;bottom:30px;right:34px}.card-topline{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:.78rem;font-weight:700;display:flex}.card-topline span:first-child{color:var(--mint-deep);background:#52dfb02e;border:1px solid #08775d38;border-radius:7px;padding:5px 8px}.sound-button{color:#fff;background:var(--navy);border:1px solid var(--ink);width:46px;position:absolute;top:28px;right:28px}.sound-button:hover{color:var(--navy);background:var(--mint)}.card-step{color:var(--red);letter-spacing:.1em;text-transform:uppercase;margin:auto 0 8px;font-size:.72rem;font-weight:700}.study-card h2{z-index:1;overflow-wrap:normal;word-break:normal;-webkit-hyphens:none;hyphens:none;max-width:760px;margin-bottom:14px;font-size:clamp(2.5rem,6vw,5.4rem);line-height:1;position:relative}.tag-row{z-index:1;flex-wrap:wrap;gap:7px;margin-bottom:24px;display:flex;position:relative}.tag-row span{color:#125c49;background:#52dfb033;border:1px solid #08775d33;border-radius:999px;padding:5px 9px;font-size:.72rem}.reveal-button{z-index:1;align-self:flex-start;margin-top:4px;position:relative}.answer-block{z-index:2;gap:14px;display:grid;position:relative}.translation-line{background:#f5c65329;border:1px solid #a9771138;border-radius:12px;gap:4px;padding:13px 15px;display:grid}.translation-line span,.action-head span{color:var(--red-deep);letter-spacing:.09em;text-transform:uppercase;font-size:.68rem;font-weight:700}.translation-line strong{font-size:1.06rem}.card-action{background:#e8efffbd;border:1px solid #2f66de38;border-radius:14px;gap:12px;padding:15px;display:grid}.action-head{gap:3px;display:grid}.action-head span{color:var(--blue)}.card-action label{gap:8px;line-height:1.35;display:grid}.card-action label>span{font-weight:700}.card-action textarea,.speech-check textarea{width:100%;min-height:88px;color:var(--ink);background:var(--panel);border:1px solid var(--line-strong);border-radius:11px;padding:12px 13px}.card-action textarea:focus-visible,.speech-check textarea:focus-visible{border-color:var(--blue)}.action-controls{flex-wrap:wrap;gap:8px;display:flex}.action-controls button:not(.primary-button){background:var(--panel);border:1px solid var(--line);padding:8px 11px}.action-result{border-top:1px solid #2f66de2b;grid-template-columns:62px minmax(0,1fr) auto;align-items:center;gap:12px;padding-top:13px;display:grid}.action-result p{color:var(--muted);margin:5px 0 0;line-height:1.35}.action-result>button{background:var(--panel);border:1px solid var(--line);border-radius:10px;min-height:40px;padding:8px 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10rem), var(--navy);padding:22px;display:grid}.deck-overview>span{color:var(--mint);letter-spacing:.1em;text-transform:uppercase;font-size:.68rem;font-weight:700}.deck-overview strong{font-variant-numeric:tabular-nums;margin:7px 0 0;font-family:Literata,Georgia,serif;font-size:3.5rem;line-height:1}.deck-overview small{color:#fff9}.deck-mini-stats{border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;display:grid}.deck-mini-stats span{color:var(--muted);text-align:center;gap:3px;padding:13px;font-size:.7rem;display:grid}.deck-mini-stats span+span{border-left:1px solid var(--line)}.deck-mini-stats strong{color:var(--ink);font-size:1.1rem}.deck-list{max-height:460px;padding:10px;display:grid;overflow-y:auto}.deck-list button{text-align:left;background:0 0;border:1px solid #0000;border-radius:9px;gap:3px;min-width:0;padding:10px;display:grid}.deck-list button:hover,.deck-list button.active{background:var(--panel-soft);border-color:var(--line)}.deck-list button.active{box-shadow:inset 4px 0 0 var(--mint-deep)}.deck-list span,.deck-list small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.deck-list span{font-weight:700}.deck-list small,.deck-note{color:var(--muted)}.deck-note{margin:0;padding:0 16px 16px;font-size:.72rem;line-height:1.35}.empty-state{text-align:center;background:var(--panel);border:1px solid var(--line);min-height:420px;box-shadow:var(--shadow-small);border-radius:20px;place-items:center;padding:42px;display:grid}.empty-state h2{margin:14px 0 6px}.empty-state p{color:var(--muted)}.fatal-error{text-align:center;place-items:center;min-height:100vh;padding:28px;display:grid}.fatal-error>div{background:var(--panel);border:1px solid var(--line);max-width:620px;box-shadow:var(--shadow);border-radius:22px;padding:32px}.fatal-error h1{font-size:clamp(2rem,7vw,3.4rem)}.fatal-error p{color:var(--muted);line-height:1.45}.sprint-panel{background:var(--panel);border:1px solid var(--line);max-width:980px;box-shadow:var(--shadow);border-radius:24px 24px 8px;margin:0 auto;overflow:hidden}.sprint-head{color:#fff;background:var(--navy);gap:10px;padding:18px 22px;display:grid}.sprint-head>div{justify-content:space-between;gap:12px;display:flex}.sprint-head span{color:var(--mint);letter-spacing:.09em;text-transform:uppercase;font-size:.75rem;font-weight:700}.sprint-head strong{font-variant-numeric:tabular-nums;font-size:.84rem}.sprint-head i{background:#ffffff1f;border-radius:999px;height:5px;overflow:hidden}.sprint-head i span{background:var(--mint);height:100%;transition:width .18s;display:block}.sprint-question{text-align:center;background:radial-gradient(circle at 50% 0%, #f5c65333, transparent 20rem), var(--panel);border-bottom:1px solid var(--line);padding:clamp(28px,5vw,56px);position:relative}.sprint-question>span{color:var(--red);letter-spacing:.1em;text-transform:uppercase;font-size:.74rem;font-weight:700}.sprint-question h2{max-width:720px;margin:18px 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3;align-self:center;padding:8px 11px;font-weight:700}@media (width<=1240px){.quick-grid{grid-template-columns:1fr 1fr}.cards-workbench{grid-template-columns:minmax(0,1fr) 250px}.speaking-layout{grid-template-columns:1fr}.prompt-card{min-height:auto;position:static}}@media (width<=980px){body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.app-shell{display:block}.sidebar{display:none}.mobile-header{z-index:30;color:#fff;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#171c27f5;border-bottom:1px solid #ffffff1a;justify-content:space-between;align-items:center;min-height:68px;padding:10px 18px;display:flex;position:sticky;top:0}.mobile-brand{grid-template-columns:40px minmax(0,1fr);gap:10px}.mobile-brand .brand-mark{width:38px;height:38px;box-shadow:3px 3px 0 var(--amber);border-radius:10px 10px 4px}.mobile-brand strong{font-size:.9rem}.mobile-brand small{margin-top:2px;font-size:.68rem}.mobile-streak{color:var(--amber);background:#ffffff12;border:1px 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