:root{color-scheme:dark;--bg:#0e1012;--surface:#15181b;--field:#1c2024;--line:#2b3035;--text:#eeeae3;--muted:#a4a8ad;--red:#ff545e}
*{box-sizing:border-box}html{min-height:100%}body{margin:0;background:#090b0d;color:var(--text);font:14px/1.5 "Segoe UI",Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--text);outline-offset:3px}a{color:var(--text);text-underline-offset:3px}
.app-shell{max-width:1280px;min-height:100dvh;margin:auto;background:var(--bg);border-inline:1px solid var(--line)}
.topbar{display:flex;align-items:center;gap:34px;min-height:76px;padding:12px 32px;border-bottom:1px solid var(--line)}.brand{font-size:23px;font-weight:600;letter-spacing:-.06em;white-space:nowrap}.brand span{color:var(--muted)}.nav{display:flex;gap:7px;align-items:center}.nav button{border:0;background:transparent;color:var(--muted);padding:9px 13px;min-height:42px;border-radius:8px}.nav button[aria-current=page]{background:var(--field);color:var(--text)}.header-tools{margin-left:auto;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.header-tools .select{min-height:38px;width:auto;max-width:155px}
.screen{padding:27px 32px 32px}.screen-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.eyebrow{color:var(--muted);font-size:11px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:5px}h1,h2,h3{margin:0;font-weight:500;line-height:1.25}h1{font-size:clamp(22px,2.5vw,28px);letter-spacing:-.035em}h2{font-size:clamp(21px,2.3vw,26px);letter-spacing:-.03em}h3{font-size:16px}.muted{color:var(--muted)}.small{font-size:12px}.actions,.inline-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.context{display:flex;align-items:center;flex-wrap:wrap;gap:7px 12px;color:var(--muted);font-size:12px;margin:11px 0 0}.context .dot{height:3px;width:3px;background:var(--muted);border-radius:50%}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:8px 14px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text);white-space:nowrap}.btn:hover{background:var(--field)}.btn.primary{background:var(--text);border-color:var(--text);color:var(--bg);font-weight:600}.btn.primary:hover{background:#d8d3ca}.btn.quiet{border-color:transparent;background:transparent;color:var(--muted)}.btn.quiet:hover{color:var(--text);background:var(--surface)}.btn.icon{width:44px;padding:7px;font-size:19px}.btn.warn{color:#ffa1a7}
.training-workspace{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;margin-top:24px}.training-workspace.with-settings{grid-template-columns:minmax(0,1fr) 252px}.training-main{min-width:0}.reader{height:290px;position:relative;overflow:hidden;container-type:inline-size}.rail{position:absolute;left:12%;right:12%;height:1px;background:var(--line)}.rail.top{top:19%}.rail.bottom{bottom:19%}.tick{position:absolute;left:42%;width:2px;height:22px;background:var(--red);transform:translateX(-50%)}.tick.top{top:19%}.tick.bottom{bottom:19%}.reader.flow-mode .tick{display:none}
.stage-word{position:absolute;left:42%;top:50%;width:0;height:0;font:500 clamp(44px,8cqw,74px)/1 Arial,sans-serif;white-space:nowrap;letter-spacing:-.02em}.prefix,.suffix,.orp{position:absolute;top:50%;transform:translateY(-50%)}.prefix{right:calc(var(--pivot-half,0px) + var(--side-gap,0px));text-align:right}.orp{left:0;transform:translate(-50%,-50%);color:var(--red)}.suffix{left:calc(var(--pivot-half,0px) + var(--side-gap,0px))}
.plain-word{position:absolute;left:50%;top:50%;max-width:calc(100% - 36px);font:500 clamp(44px,8cqw,74px)/1 Arial,sans-serif;white-space:nowrap;transform:translate(-50%,-50%);opacity:0}.plain-word.appear{animation:dropDownIn var(--appear-duration,110ms) cubic-bezier(.16,1,.3,1) forwards}@keyframes dropDownIn{0%{opacity:.15;transform:translate(-50%,calc(-50% - 16px)) scale(.98)}60%{opacity:.7;transform:translate(-50%,calc(-50% - 3px)) scale(.99)}100%{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.stage-language{position:absolute;top:8px;left:0;right:0;text-align:center;font-size:12px;color:var(--muted)}.empty-state{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:10px;text-align:center;padding:20px;color:var(--muted)}.empty-state .btn{margin-top:4px}.empty-state a{font-size:12px}.reader-hint{min-height:20px;color:var(--muted);font-size:12px;text-align:center;margin:0 0 18px}.speed-label{color:var(--muted);font-size:12px;text-align:center}.reading-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin:22px 0 9px}.subline{display:flex;flex-wrap:wrap;gap:6px 14px}.progress{height:3px;background:var(--line);border-radius:4px;overflow:hidden}.progress-fill{height:100%;width:0;background:#d2cdc4;transition:width .12s linear}
.transport{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;margin-top:23px}.tempo-controls,.play-controls{display:flex;align-items:center;gap:8px}.tempo-controls .btn{min-width:42px}.speed-value{text-align:center;min-width:70px;font-size:22px;line-height:1.1;font-variant-numeric:tabular-nums}.speed-value small{display:block;color:var(--muted);font-size:11px;line-height:1.5}.play-controls .primary{min-width:128px}.quick-actions{justify-self:end;display:flex;gap:4px;align-items:center}.quick-actions .btn{color:var(--muted)}.sound-control{position:relative}.sound-control input{position:absolute;opacity:0;width:1px;height:1px}.sound-control span{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border-radius:8px;color:var(--muted);cursor:pointer}.sound-control input:focus-visible+span{outline:2px solid var(--text)}.sound-control input:checked+span{color:var(--text)}.training-footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);margin-top:30px;padding-top:17px;color:var(--muted);font-size:12px}.key{border:1px solid var(--line);border-radius:5px;padding:2px 7px;color:#ccc9c3;margin-right:4px}
.settings{border-left:1px solid var(--line);padding-left:23px}.settings-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}.settings details{border-bottom:1px solid var(--line);padding:11px 0}.settings summary{cursor:pointer;color:var(--text);font-size:13px;min-height:27px}.setting-content{display:grid;gap:13px;padding:9px 0 4px}.field{display:grid;gap:7px;min-width:0;color:var(--muted);font-size:13px}.field label,.field-label{color:var(--muted);font-size:13px}.input,.select,.text-input{width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;background:var(--field);color:var(--text);padding:10px 11px;outline:0}.input,.select{min-height:42px}.input:focus,.select:focus,.text-input:focus{border-color:#a9646b;box-shadow:0 0 0 3px #ff545e22}.input[type=number]{max-width:190px}.range{width:100%;accent-color:#d2cdc4}.check{display:flex;align-items:center;gap:9px;min-height:38px;color:var(--text);font-size:13px}.check input,.topic input{accent-color:#d2cdc4;width:17px;height:17px;flex:none}.option-note{color:var(--muted);font-size:11px}.options{display:grid;gap:12px}.option-group{display:grid;gap:8px}.option-group .select{width:100%}.option-group .check{align-items:flex-start}.speed-head{display:flex;justify-content:space-between;align-items:center}.speed-head h3{font-size:13px}.speed-controls{display:none}.music-select{width:100%}.settings .btn{margin-top:10px}
.screen-intro{color:var(--muted);font-size:13px;margin:10px 0 0}.section-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:20px;margin-top:24px}.setup-grid,.dictionary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.setup-grid{margin-bottom:18px}.level-grid{display:flex;flex-wrap:wrap;gap:8px}.level-grid .check{border:1px solid var(--line);border-radius:8px;background:var(--field);padding:7px 11px;min-height:42px}.level-grid .check:has(input:checked){border-color:#858b91;background:#30353a}.topic-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.topic-summary{font-size:12px;color:var(--muted);white-space:nowrap}.topic-picker{border:1px solid var(--line);border-radius:10px;background:var(--field);overflow:hidden}.topic-toolbar{display:flex;gap:8px;padding:10px;border-bottom:1px solid var(--line)}.topic-search{flex:1;min-width:0}.topic-clear{min-height:42px}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-height:310px;overflow-y:auto;padding:10px}.topic{display:flex;align-items:flex-start;gap:8px;min-width:0;padding:9px;border:1px solid var(--line);border-radius:8px;background:var(--surface);cursor:pointer}.topic:has(input:checked){border-color:#858b91;background:#30353a}.topic-copy{display:grid;gap:3px;min-width:0}.topic-name{overflow-wrap:anywhere}.topic-count{color:var(--muted);font-size:11px}.topic-empty{padding:14px;color:var(--muted)}.field.invalid .level-grid,.field.invalid .topic-picker{box-shadow:0 0 0 1px var(--red);border-radius:8px}.field-error{color:#ff9ba0;font-size:12px}.generate-row{display:flex;align-items:end;flex-wrap:wrap;gap:12px;margin-top:18px}.hint{color:var(--muted);font-size:12px;margin-top:9px}.status{min-height:20px;color:var(--muted);font-size:13px}.status:not(:empty){margin-top:14px}.status.error{color:#ff9ba0}.status.success{color:#9dd9aa}.status.loading:before{content:"";display:inline-block;width:11px;height:11px;border:2px solid var(--line);border-top-color:var(--red);border-radius:50%;margin-right:7px;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.saved-list-rows{display:grid;gap:0;margin:22px 0}.saved-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.saved-row:first-child{border-top:1px solid var(--line)}.saved-row h3{margin-bottom:5px}.saved-row p{margin:0;color:var(--muted);font-size:12px}.saved-row-actions{display:flex;gap:7px;flex-wrap:wrap}.library-tools{display:flex;align-items:end;flex-wrap:wrap;gap:10px}.library-tools .field{min-width:min(100%,290px)}.file-button{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:8px 13px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text);cursor:pointer}.file-button input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.file-row,.library-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px}.file-name{font-size:12px;color:var(--muted)}.text-input{min-height:250px;resize:vertical;font:13px/1.6 ui-monospace,Consolas,monospace}.editor-actions{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:18px}.editor-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(240px,.7fr);gap:28px}.editor-side{border-left:1px solid var(--line);padding-left:25px}.editor-side .stack{display:grid;gap:13px}.editor-side .stack h2{font-size:16px}.global-status{position:fixed;left:50%;bottom:calc(12px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:30;max-width:min(620px,calc(100% - 24px));background:#262a2e;border:1px solid var(--line);border-radius:10px;padding:10px 14px;box-shadow:0 10px 30px #0009}.global-status:empty{display:none}
.focus-mode .topbar,.focus-mode .training-heading,.focus-mode .context,.focus-mode .settings,.focus-mode .training-footer{display:none!important}.focus-mode #screenTraining{padding-top:16px}.focus-mode .training-workspace{grid-template-columns:1fr;margin-top:0}.focus-mode .reader{height:min(58vh,480px)}.focus-exit{display:flex;justify-content:flex-end;margin-bottom:8px}
@media(max-width:1000px){.training-workspace.with-settings{grid-template-columns:minmax(0,1fr) 225px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.topbar{padding:12px 17px;gap:12px;flex-wrap:wrap}.brand{font-size:21px}.nav{margin-left:auto}.nav button{padding:8px}.header-tools{width:100%;margin-left:0;justify-content:flex-end}.screen{padding:20px 17px 26px}.training-workspace,.training-workspace.with-settings{grid-template-columns:1fr;margin-top:15px}.settings{position:fixed;inset:0;z-index:25;overflow:auto;background:var(--bg);border:0;padding:calc(17px + env(safe-area-inset-top)) 18px calc(24px + env(safe-area-inset-bottom))}.settings .settings-head{margin-bottom:20px}.reader{height:245px}.training-footer{margin-top:20px}.transport{grid-template-columns:1fr 1fr}.play-controls{grid-column:1/-1;grid-row:1;justify-content:center}.tempo-controls{grid-column:1}.quick-actions{grid-column:2}.setup-grid,.dictionary-grid,.editor-grid{grid-template-columns:1fr}.editor-side{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.saved-row{align-items:flex-start;flex-direction:column}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px) and (orientation:portrait){.app-shell{min-height:100dvh}.screen.training-active{min-height:calc(100dvh - 108px);display:flex;flex-direction:column}.training-workspace{flex:1;display:flex;flex-direction:column}.training-main{flex:1;display:flex;flex-direction:column}.reader{flex:1;min-height:225px;max-height:430px}.transport{margin-top:auto;padding:18px 0 calc(10px + env(safe-area-inset-bottom));background:var(--bg)}.training-footer{margin-top:8px}}
@media(max-width:950px) and (orientation:landscape) and (max-height:600px){.topbar{min-height:50px;padding:5px 18px;flex-wrap:nowrap}.brand{font-size:19px}.header-tools{width:auto;margin-left:auto}.screen{padding:10px 20px 15px}.training-heading .eyebrow{display:none}.training-heading h1{font-size:19px}.context{margin-top:4px}.training-workspace{margin-top:6px}.training-main{display:grid;grid-template-columns:minmax(0,1fr) 184px;grid-template-rows:auto auto auto;column-gap:18px;align-items:center}.reader{grid-column:1;grid-row:1/4;height:calc(100dvh - 142px);min-height:170px;max-height:270px}.reader-hint,.speed-label{display:none}.reading-meta{grid-column:1;grid-row:4;margin:4px 0}.progress{grid-column:1;grid-row:5}.transport{grid-column:2;grid-row:1/5;display:flex;flex-direction:column;margin:0;padding:0 0 0 15px;border-left:1px solid var(--line);background:transparent}.play-controls{order:0;display:grid;grid-template-columns:1fr 1fr;gap:6px;width:100%}.play-controls .primary{grid-column:1/-1;grid-row:1;min-width:0}.tempo-controls{order:1;gap:4px}.tempo-controls .btn{width:44px;min-width:44px}.speed-value{min-width:43px;font-size:19px}.quick-actions{order:2;justify-self:center}.training-footer{display:none}.focus-mode .reader{height:calc(100dvh - 80px)}}
@media(max-width:430px){.brand{font-size:19px}.nav button{font-size:12px}.topic-grid{grid-template-columns:1fr}.topic-toolbar{flex-wrap:wrap}.topic-clear{width:100%}.screen-heading{align-items:flex-start}.reader{height:220px}.stage-word,.plain-word{font-size:44px}.transport{gap:8px}.tempo-controls{gap:4px}.tempo-controls .btn{padding:6px;width:42px}.quick-actions .btn{padding:6px;width:42px}}
@media(prefers-reduced-motion:reduce){.plain-word.appear{animation:none;opacity:1}.progress-fill{transition:none}*{scroll-behavior:auto!important}}
.focus-exit{display:none;justify-content:flex-end;padding:12px 22px 0}.focus-mode .focus-exit{display:flex}
.speed-value strong{display:block;white-space:nowrap}.speed-value small{white-space:nowrap}
@media(max-width:760px){.topbar{display:grid;grid-template-columns:1fr auto;gap:5px 12px;padding:9px 16px}.brand{grid-column:1;grid-row:1}.header-tools{grid-column:2;grid-row:1;width:auto;white-space:nowrap}.header-tools label{display:none}.header-tools .select{max-width:122px}.nav{grid-column:1/-1;grid-row:2;margin:0;justify-content:space-between;gap:2px}.nav button{font-size:12px;padding:7px 9px;min-height:36px}.training-heading .actions{gap:2px}.training-heading .actions .btn{min-height:36px;padding:6px 9px}.reader-hint{margin-bottom:8px}.speed-value{min-width:60px;font-size:19px}.speed-value small{font-size:10px}.tempo-controls{justify-content:flex-start}.quick-actions{justify-self:end}}
@media(max-width:760px) and (orientation:portrait){.screen.training-active{min-height:calc(100dvh - 92px)}.training-workspace{margin-top:8px}.reader{min-height:195px;max-height:330px}.training-footer{display:none}.reading-meta{margin-top:8px}.transport{padding-top:10px;padding-bottom:calc(8px + env(safe-area-inset-bottom))}}
@media(max-width:950px) and (orientation:landscape) and (max-height:600px){.topbar{padding:3px 16px}.screen{padding:6px 16px 8px}.training-heading h1{font-size:17px}.context{font-size:11px;margin-top:2px}.training-workspace{margin-top:0}.reader{height:calc(100dvh - 190px);min-height:160px;max-height:215px}.reading-meta{margin:2px 0}.transport{gap:5px}.transport .btn{min-height:36px}.training-main{column-gap:12px}}
.reading-card{max-width:900px}.reading-card .text-input{min-height:260px;resize:vertical}.reading-actions{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:16px}.reading-actions .btn{min-width:160px}
@media(max-width:760px){.nav{overflow-x:auto;justify-content:flex-start;white-space:nowrap;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav button{flex:none}.reading-card .text-input{min-height:220px}}
.profile-card{max-width:620px}.profile-card .field{max-width:430px}.profile-card .btn{margin:12px 10px 0 0}.profile-card .code-input{max-width:160px;font-size:22px;letter-spacing:.2em}.profile-card #codeForm{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
@media(min-width:761px) and (max-width:1050px){.topbar{flex-wrap:wrap}.nav{order:3;width:100%;overflow-x:auto;white-space:nowrap;scrollbar-width:none}.nav button{flex:none}}