@font-face{font-family:'DM Sans';src:url('fonts/dm-sans.woff2') format('woff2');font-weight:400 700;font-display:swap}
:root{--paper:#f5f7fb;--surface:#fff;--ink:#17253d;--muted:#56657b;--line:#dce3ee;--accent:#245acb;--accent-hover:#1847a7;--highlight:#edf3ff;--soft:#f0f4fa;--success:#247548;--warning:#855d13;--error:#b13c43;--radius:12px;--sans:'DM Sans',system-ui,sans-serif;--serif:var(--sans)}
*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:#a7b5ca transparent}
[hidden]{display:none!important}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 var(--sans)}
::selection{background:#d9e6ff;color:#17253d}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation;min-height:46px;padding:10px 16px;border:1px solid #7c8da5;border-radius:8px;background:var(--surface);font-weight:500;line-height:1.4}button:hover{background:var(--soft);border-color:#a6b8d0}button:disabled{opacity:.5;cursor:default}a{color:var(--accent);text-underline-offset:4px}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}input,textarea,select{background:var(--surface);border:1px solid #7c8da5;border-radius:8px;padding:12px 14px;max-width:100%;caret-color:var(--accent)}input,textarea{width:100%;font-size:18px}textarea{resize:vertical;line-height:1.7}input::placeholder,textarea::placeholder{color:#66758a}input[type=file]{font-size:16px;padding:12px;background:var(--paper)}input[type=file]::file-selector-button{border:1px solid #7c8da5;background:var(--surface);padding:9px 12px;border-radius:6px;color:var(--ink);margin-right:12px;font:inherit;cursor:pointer}label{display:block;font-size:16px;font-weight:600;margin-bottom:9px}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.primary{background:var(--accent);color:white;border-color:var(--accent);font-weight:600}.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}h1,h2,h3,p{overflow-wrap:anywhere}h1{font-size:clamp(30px,3vw,40px);line-height:1.2;font-weight:600;letter-spacing:-.025em;margin:0 0 16px;text-wrap:balance}h2{font-size:22px;line-height:1.4;font-weight:600;margin:0 0 12px;letter-spacing:-.015em}h3{font-size:18px;line-height:1.5;margin:0 0 10px}p{margin:0 0 18px}.muted{color:var(--muted);font-size:15px}.intro{font-size:18px;color:var(--muted);max-width:58ch;margin:0}.empty{padding:28px 0;color:var(--muted)}
header{height:76px;display:flex;align-items:center;gap:28px;padding:0 28px;border-bottom:1px solid var(--line);background:var(--surface)}.brand{font-size:27px;font-weight:700;letter-spacing:-.035em;text-decoration:none;color:var(--ink);line-height:1}.brand span{color:var(--accent)}.tagline{font-size:14px;color:var(--muted)}#logout{margin-left:auto;border:0;color:var(--muted);background:transparent}.mobile{display:none}#notice{position:sticky;top:0;z-index:20;padding:14px 28px;background:var(--highlight);color:#214581;border-bottom:1px solid #b4caed}
#workspace{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:calc(100dvh - 76px)}aside{background:var(--surface);padding:24px 18px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:8px}.nav-home{width:100%;text-align:left;border:0;background:transparent;margin-bottom:22px;font-weight:600}.nav-active{background:var(--highlight)!important;color:var(--accent)!important}.aside-title{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 10px}.aside-title h2{font-size:15px;color:var(--muted);margin:0;font-weight:500;letter-spacing:0}.aside-title button{font-size:13px;border:0;padding:6px 8px;min-height:38px;color:var(--accent)}aside>.muted{display:none}.book-list{margin:4px 0 24px}.book{display:block;width:100%;text-align:left;border:0;padding:14px 12px;border-radius:8px;margin:4px 0;background:transparent}.book.selected{background:var(--soft)}.book strong{display:block;font-size:15px;font-weight:500;line-height:1.5}.book span{display:block;color:var(--muted);font-size:12px;margin-top:8px}.book progress{height:3px;margin-top:10px}nav{display:grid;gap:6px;border-top:1px solid var(--line);padding-top:18px}nav button{text-align:left;border:0;background:transparent;font-size:15px}.aside-footer{font-size:13px;color:var(--muted);padding:32px 12px 0;margin-top:auto}main{min-width:0}main:focus{outline:none}.view{max-width:1016px;margin:auto;padding:44px clamp(24px,4vw,56px) 64px}.view.wide{max-width:1240px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:32px}.page-heading p{margin:0;color:var(--muted);max-width:62ch}.page-heading>button{flex-shrink:0}
.login{max-width:520px;margin:7vh auto;padding:36px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.login h1{font-size:38px}.login>p{color:var(--muted)}.login form{margin:28px 0 20px}.login input{margin-bottom:20px}.login button{width:100%;margin:4px 0 0}.login .muted{font-size:14px;margin:0}
#welcome{max-width:1200px;padding-top:48px}.library-home{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.library-reading{border:0;border-bottom:1px solid var(--line);border-radius:0;display:grid;grid-template-columns:56px minmax(0,1fr) 160px 20px;gap:22px;align-items:center;width:100%;text-align:left;padding:26px 24px}.library-reading:last-child{border-bottom:0}.reading-format{font-size:12px;font-weight:600;color:var(--accent);background:var(--highlight);padding:16px 0;border-radius:7px;text-align:center}.reading-info strong{display:block;font-size:20px;line-height:1.4;letter-spacing:-.01em}.reading-info>span{display:block;font-size:14px;color:var(--muted);margin-top:8px}.reading-metric{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.reading-metric progress{height:4px;margin-top:10px}.reading-open{color:var(--accent);font-size:23px}.library-empty{padding:44px;max-width:64ch}.library-empty h2{font-size:25px}.library-empty p{color:var(--muted);margin:0}
form{margin:24px 0 32px}.inline{display:flex;align-items:center;gap:12px}.inline input{min-width:0;flex:1}.inline button{flex-shrink:0}details{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}summary{cursor:pointer;min-height:44px;font-size:16px;line-height:1.5}#import-view{max-width:940px}.import-source{padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin:0 0 20px}.import-source h2{margin-bottom:20px}.import-source .muted{margin:12px 0 20px}.import-source p:last-child{margin-bottom:0}#text-form label{margin-top:18px}#text-form button{margin-top:16px}#import-view>details{padding:24px 28px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius)}
.split{display:flex;align-items:center;justify-content:space-between;gap:20px}.split>span:first-child{min-width:0}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.actions button,#play,#next,#record{display:inline-flex;align-items:center;justify-content:center;gap:9px}.prose{font-size:20px;line-height:1.9;max-width:70ch;background:var(--surface);padding:32px;border:1px solid var(--line);border-radius:var(--radius);margin:24px 0}.prose h3{font-size:17px;margin-top:32px}.prose h3:first-child{margin-top:0}.prose p{margin-bottom:24px}#preview .split{margin-bottom:18px}#preview .actions{margin:24px 0 36px}#preview-source{overflow-wrap:anywhere;font-size:14px}#preview-author{font-size:18px;color:var(--muted);margin-bottom:10px}.import-notes{padding:20px;background:var(--highlight);border-radius:8px;margin:20px 0;font-size:15px;color:var(--muted)}.import-notes h2{font-size:17px;color:var(--ink)}.import-notes ul{padding-left:20px;margin:0}.import-notes li+li{margin-top:8px}
progress{display:block;width:100%;height:6px;border:0;appearance:none;background:var(--line);border-radius:8px;overflow:hidden}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--accent)}progress::-moz-progress-bar{background:var(--accent)}
#practice{max-width:1380px;padding:32px clamp(22px,3vw,44px) 48px;font-size:18px}.practice-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}#practice-title{font-size:20px;font-weight:600;color:var(--ink);line-height:1.4}#finish{font-size:14px;padding:9px 12px;background:transparent;flex-shrink:0}.practice-grid{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:24px 28px;align-items:start}.practice-work{min-width:0}.reading-stage{background:var(--surface);border:1px solid var(--line);padding:28px;border-radius:var(--radius)}#chapter{font-size:15px;line-height:1.5;letter-spacing:0;font-weight:500;color:var(--muted);margin:0 0 16px}.english{font-size:clamp(26px,2.3vw,32px);font-weight:500;line-height:1.65;letter-spacing:-.015em;margin:0 0 24px;max-width:65ch}.listen{display:flex;align-items:center;gap:16px;flex-wrap:wrap}#play{background:var(--ink);border-color:var(--ink);color:white;font-size:16px;min-height:48px}#play:hover{background:#2c4261}.speed{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);font-weight:400;margin:0}.speed select{font-size:14px;padding:10px 6px;min-height:46px;background:var(--surface)}#audio-status{font-size:14px;margin:14px 0 0}#audio-retry{margin-top:12px}
#answer-form{margin:28px 0}#answer-form label{font-size:20px;line-height:1.4;margin-bottom:10px}#answer-help{font-size:15px;margin-bottom:16px;max-width:60ch}#answer{font-size:20px;line-height:1.75;min-height:146px;padding:16px;background:var(--surface)}#answer-form .actions{margin-top:12px;gap:10px}.actions button{font-size:16px}#record-status{font-size:14px;line-height:1.6;margin:12px 0 0}#record[aria-pressed=true]{background:#fff0f1;color:#9c303b;border-color:#ba6870}
.feedback{padding:24px 0 12px;border-top:1px solid var(--line);--score-color:var(--accent)}.feedback[data-level=starting]{--score-color:var(--error)}.feedback[data-level=approaching]{--score-color:var(--warning)}.feedback[data-level=achieved]{--score-color:var(--success)}.feedback h2{font-size:17px;margin:0;letter-spacing:0}.feedback strong{font-size:28px;color:var(--score-color);font-variant-numeric:tabular-nums}.feedback progress{margin:14px 0 18px}#score-bar::-webkit-progress-value{background:var(--score-color)}#score-bar::-moz-progress-bar{background:var(--score-color)}#feedback-text{font-size:20px;line-height:1.7;margin:0 0 12px}#speak-feedback{font-size:14px;background:transparent;padding:8px 12px;margin:0 0 14px}#threshold{font-size:14px;margin-bottom:0}#speech-status{font-size:14px}
.tutor-space{grid-column:2;grid-row:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}.tutor-intro h2{font-size:24px;letter-spacing:-.02em;margin:0 0 8px}.tutor-intro p{font-size:15px;color:var(--muted);line-height:1.6;margin:0 0 20px}.tutor-actions{display:grid;gap:10px}.help-action{width:100%;text-align:left;font-size:16px;padding:12px 14px;background:var(--highlight);border-color:#c5d7f6;color:#214581}.help-action:hover{background:#deeaff;border-color:#aac4f0}#ask-toggle[aria-expanded=true]{background:#deeaff;border-color:#8badE4}#hint-status{font-size:14px;color:var(--muted);margin:16px 0 0}#hint-status:empty,#speech-status:empty{display:none}.hint-panel{margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}.hint-panel>h2{font-size:16px;color:var(--muted);margin:0 0 20px;letter-spacing:0}.hint-step{margin:0 0 24px}.hint-step:last-child{margin-bottom:0}.hint-step h3{font-size:17px;line-height:1.5}.hint-step ul{padding-left:19px;margin:0}.hint-step li{font-size:17px;line-height:1.7;margin:8px 0;overflow-wrap:anywhere}.question-panel{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.question-panel>h2{font-size:19px}.question-panel>.muted{font-size:14px}.question-panel form{margin:20px 0 0}.question-panel form button{margin-top:12px;font-size:15px;width:100%}.question-panel label{font-size:16px}.question-panel [role=status]{font-size:14px;margin:12px 0 0}#question{font-size:18px;padding:12px}.question-item{padding:18px 0;border-bottom:1px solid var(--line)}.question-item h3{font-size:16px;margin-bottom:10px}.question-item p{font-size:18px;white-space:pre-wrap;line-height:1.7;overflow-wrap:anywhere;margin:0}.question-item:focus{outline:2px solid var(--accent);outline-offset:4px}.reference{padding:18px;margin-top:24px;border:1px solid #bfdbca;background:#eff8f2;border-radius:8px}.reference h2{font-size:17px;color:#245b39}.reference p{font-size:20px;line-height:1.7}.reference .muted{font-size:14px;color:#406a50;margin-bottom:0}
.next-row{grid-column:1;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:20px}.next-row>.muted{font-size:14px;max-width:22ch}.next-row #next{min-height:48px;max-width:100%;white-space:normal}#fragment-attempts{font-size:16px;margin:18px 0 0}.attempt-item{font-size:18px;padding:20px 0;border-bottom:1px solid var(--line)}.attempt-item h3{font-size:17px}.attempt-item .muted{font-size:14px}
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}table{width:100%;border-collapse:collapse;text-align:left;font-size:17px}th{font-size:13px;color:var(--muted);font-weight:600;background:var(--soft)}td,th{padding:18px;border-bottom:1px solid var(--line);vertical-align:top}tbody tr:last-child td{border-bottom:0}td small{display:block;font-size:14px;color:var(--muted);margin-top:8px;max-width:42ch}td progress{height:4px;margin-top:10px}.history-item,.quiz-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:0 0 16px}.history-item h2{font-size:20px}.history-item .muted{font-size:14px;margin-bottom:12px}.history-item blockquote{margin:16px 0;font-size:20px;line-height:1.7}.history-item summary{font-size:16px}.history-item>p:last-child{margin-bottom:0}#history-list>h2{margin:36px 0 20px}.quiz-item h2{font-size:24px}.quiz-item blockquote{margin:14px 0 24px;font-size:20px;line-height:1.7;color:var(--muted)}.quiz-item form{margin:20px 0 0}.quiz-item button{margin-top:14px}.quiz-result{color:var(--success)}#quiz-done{margin-top:16px}
@media(prefers-reduced-motion:no-preference){button{transition:background-color .15s,border-color .15s}.feedback{animation:arrive .2s ease-out}@keyframes arrive{from{opacity:.5;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:1180px){.practice-grid{grid-template-columns:minmax(0,1fr)}.tutor-space{grid-column:auto;grid-row:auto}.tutor-actions{grid-template-columns:1fr 1fr}.next-row{grid-column:auto}.library-reading{grid-template-columns:48px minmax(0,1fr) 20px;gap:18px}.reading-metric{grid-column:2;grid-row:2;margin-top:-10px;max-width:200px}.reading-open{grid-column:3;grid-row:1}.tagline{display:none}.view{padding-inline:32px}}
@media(max-width:720px){header{height:70px;padding:0 18px;gap:12px}.brand{font-size:25px}.mobile{display:block;margin-left:auto;font-size:14px;padding:8px 12px}#logout{margin-left:0;font-size:14px;padding:8px}#workspace{display:block;min-height:calc(100dvh - 70px)}aside{display:none;border:0}aside.open{display:flex;position:fixed;inset:70px 0 0;z-index:10;overflow-y:auto;padding:22px;background:var(--surface)}.aside-footer{padding-top:24px}.view,#practice{padding:28px 18px 40px}.view h1{font-size:30px}.page-heading{align-items:flex-start;flex-direction:column;gap:20px;margin-bottom:26px}.page-heading>button{width:100%}.intro,.page-heading p{font-size:17px}.login{padding:28px 24px;margin:28px 18px;max-width:none}.login h1{font-size:34px}#welcome{padding-top:30px}.library-reading{padding:22px 18px;gap:14px}.reading-info strong{font-size:18px}.reading-info>span{font-size:13px}.reading-format{font-size:11px}.reading-metric{font-size:12px}.library-empty{padding:28px}.library-empty h2{font-size:23px}.import-source{padding:22px}#import-view>details{padding:22px}.inline{flex-direction:column;align-items:stretch}.inline button{width:100%}.prose{padding:22px;font-size:20px}.practice-heading{gap:12px;align-items:flex-start}#practice-title{font-size:17px}#finish{font-size:13px;max-width:112px}.practice-grid{gap:24px}.reading-stage{padding:22px}.english{font-size:26px}.listen{gap:12px}#play{font-size:15px;padding:10px 12px}.speed{font-size:13px}.actions{gap:10px}.actions button{flex:1;white-space:normal}#answer-form label{font-size:20px}.feedback h2{font-size:16px}.feedback strong{font-size:26px}.tutor-space{padding:22px}.tutor-actions{grid-template-columns:1fr}.next-row{flex-direction:column;align-items:stretch;gap:12px}.next-row>.muted{max-width:none}.next-row #next{width:100%}.history-item,.quiz-item{padding:22px}table{min-width:560px}td,th{padding:16px}#notice{padding:14px 18px;font-size:15px}.split{gap:12px}}

.practice-work>.next-row{margin-top:20px}
#file-selection{overflow-wrap:anywhere;margin:10px 0 0}
@media(max-width:720px){
  .table-wrap{overflow:visible;background:transparent;border:0;border-radius:0}
  table{min-width:0;display:block}
  thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  tbody{display:block}
  tbody tr{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:16px}
  tbody td{display:block;padding:0;border:0;min-width:0;overflow-wrap:anywhere}
  tbody td:nth-child(1),tbody td:nth-child(2){grid-column:1 / -1}
  tbody td::before{content:attr(data-label);display:block;color:var(--muted);font-size:13px;font-weight:500;margin-bottom:8px}
  tbody td[lang=en]::before{font-style:normal}
}

/* Book reader: continuous prose above an expandable practice panel. */
@font-face{font-family:Literata;src:url('fonts/literata.woff2') format('woff2');font-weight:400 700;font-display:swap}
html:has(body.is-reading){scroll-padding-top:20px;scroll-padding-bottom:calc(var(--dock-height,280px) + 20px)}
body.is-reading #practice{padding-bottom:calc(var(--dock-height,280px) + 60px)}
.reader-tools{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:24px 0}.reader-tools p{font-size:14px;color:var(--muted);margin:0;max-width:36ch}.font-controls{display:flex;align-items:center;gap:10px;white-space:nowrap}.font-controls output{font-size:14px;font-variant-numeric:tabular-nums;min-width:42px;text-align:center}.font-controls button{min-width:46px;padding:8px}
#reader-status{font-size:13px;color:var(--muted);margin:18px 0}
#reader-pages .prose{font-family:Literata,Georgia,serif;font-size:var(--reader-size,24px);font-weight:400;line-height:1.95;letter-spacing:0;max-width:70ch;padding:clamp(24px,4vw,64px);margin:0 auto 28px;border:0;border-radius:0;overflow-wrap:break-word}
#reader-pages .reader-paragraph{margin:0 0 1.25em;overflow-wrap:break-word;text-wrap:pretty}#reader-pages .reader-heading,#reader-pages .prose h2{font-family:Literata,Georgia,serif;font-size:1.3em;font-weight:600;line-height:1.5;margin:1.8em 0 1em}#reader-pages .reader-heading:first-child{margin-top:0}
.reading-fragment{cursor:pointer;border-radius:3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}.reading-fragment:hover{background:var(--soft)}.reading-fragment:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.reading-fragment.active-fragment{background:#dce8ff;color:#173e86;text-decoration:underline;text-decoration-color:#98b6ed;text-underline-offset:5px}
.practice-dock{position:fixed;bottom:0;left:248px;right:0;z-index:8;background:var(--surface);border-top:1px solid #b5c9ea;padding:12px clamp(18px,3vw,44px) max(12px,env(safe-area-inset-bottom));max-height:42dvh;display:flex;flex-direction:column}.dock-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:10px;flex-shrink:0}.dock-toolbar .listen{gap:12px}.dock-toolbar #dock-toggle{font-size:14px}.dock-content{overflow:auto;overscroll-behavior:contain;scroll-padding-block:16px}.dock-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}.practice-dock #audio-status{margin:0 0 10px;font-size:13px}.practice-dock #answer-form{margin:0 0 16px}.practice-dock #answer-form label{font-size:17px}.practice-dock #answer{min-height:76px;height:76px;padding:9px 12px;font-size:18px;line-height:1.5}.practice-dock #answer-help{font-size:14px;margin-bottom:8px}.practice-dock .next-row{margin-top:14px;padding-top:14px}.practice-dock:not(.expanded) #answer-help,.practice-dock:not(.expanded) #record-status,.practice-dock:not(.expanded) .feedback,.practice-dock:not(.expanded) #fragment-attempts,.practice-dock:not(.expanded) .tutor-space,.practice-dock:not(.expanded) .next-row>.muted{display:none}.practice-dock:not(.expanded) .next-row:has(#next:disabled){display:none}.practice-dock.expanded{max-height:62dvh}.practice-dock.expanded .dock-layout{grid-template-columns:minmax(0,1fr) minmax(260px,.65fr)}.practice-dock .tutor-space{grid-column:auto;grid-row:auto;border:0;border-left:1px solid var(--line);border-radius:0;padding:0 0 0 26px}.practice-dock .tutor-actions{grid-template-columns:1fr}.practice-dock .tutor-intro h2{font-size:22px}.practice-dock .feedback{padding-top:18px}
@media(max-width:1000px){.practice-dock.expanded .dock-layout{grid-template-columns:1fr}.practice-dock .tutor-space{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}}
@media(max-width:720px){.practice-dock{left:0;padding:10px 14px max(10px,env(safe-area-inset-bottom));max-height:40dvh}.practice-dock.expanded{max-height:62dvh}.dock-toolbar{gap:8px;align-items:flex-start}.dock-toolbar .listen{gap:6px;flex-wrap:nowrap}.dock-toolbar #play{font-size:0;min-width:46px;padding:10px}.dock-toolbar #play svg{width:20px}.dock-toolbar .speed{font-size:0;gap:0}.dock-toolbar .speed select{font-size:14px}.dock-toolbar #dock-toggle{font-size:13px;min-height:46px;padding:8px 10px}.reader-tools{align-items:flex-start;gap:12px}.reader-tools p{font-size:12px;max-width:20ch}.font-controls{gap:6px}#reader-pages .prose{padding:24px 18px;margin-inline:-18px;line-height:1.85}.practice-dock #answer-form .actions button{font-size:14px;padding:9px 10px}.practice-dock #answer-form label{font-size:16px}.practice-dock #answer{min-height:64px;height:64px}.practice-dock .next-row{align-items:flex-end}.practice-dock .next-row #next{width:auto}}
@media(max-height:600px){.practice-dock{position:static;max-height:none;margin-top:32px;padding:20px 0;border-top:1px solid var(--line)}.practice-dock.expanded{max-height:none}body.is-reading #practice{padding-bottom:40px}html:has(body.is-reading){scroll-padding-bottom:24px}}
.practice-dock:has(#record[aria-pressed=true]) #record-status{display:block}

/* Compact reader controls retain their full accessible names and tooltips. */
button.icon-button,#practice button.icon-button,.dock-toolbar #play.icon-button,.dock-toolbar #dock-toggle.icon-button{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;min-width:46px;min-height:46px;max-width:46px;padding:11px;flex:0 0 46px;font-size:16px;gap:0}
button.icon-button svg{display:block;width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8}
#answer-form .actions{justify-content:flex-end}#practice .next-row #next.icon-button{width:46px}.practice-dock .tutor-actions{display:flex;gap:12px}.practice-dock .tutor-actions .help-action{margin:0}.practice-dock .question-panel form button.icon-button{width:46px}
header #menu.icon-button{margin-left:auto}header #logout.icon-button{margin-left:0}.practice-dock #answer-form{margin-bottom:8px}
@media(min-width:721px){header #menu.icon-button{display:none}header #logout.icon-button{margin-left:auto}}
.layout-note{font-size:13px;color:var(--muted);margin:0 0 18px}.layout-note button{font-size:13px;margin-left:10px}#reader-pages .reader-toc{font-family:var(--sans);font-size:.85em;line-height:1.7;padding-bottom:.65em;border-bottom:1px solid var(--line);margin-bottom:.65em}#reader-pages .reader-list{padding-left:1em}#reader-pages .reader-code{font-family:ui-monospace,monospace;font-size:.8em;white-space:pre-wrap;background:var(--soft);padding:16px}#reader-pages .reader-dialogue{margin-bottom:1.1em}
/* Practice flow above; quiet secondary help beneath it. */
.dock-toolbar{justify-content:flex-end}
#answer-form .actions{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px}
.playback-controls,.response-controls{display:flex;justify-content:center;align-items:center;gap:12px;min-width:0;max-width:100%}
#answer-form .actions .speed{font-size:0;gap:0;margin:0;flex:0 0 72px}
#answer-form .actions .speed select{width:72px;height:46px;min-height:46px;font-size:14px;padding:8px 6px}
#answer-form .response-controls .help-action{background:#f1f3f6;border-color:#8994a3;color:#566170}
#answer-form .response-controls .help-action:hover,#answer-form .response-controls #ask-toggle[aria-expanded=true]{background:#e3e7ed;border-color:#667383;color:#354152}
@media(max-width:480px){.playback-controls{gap:8px}#answer-form .actions .speed{flex-basis:64px}#answer-form .actions .speed select{width:64px}}
.practice-dock #answer{height:146px;min-height:100px;flex-shrink:0}
@media(max-width:720px) and (min-height:601px){.practice-dock:not(.expanded){max-height:50dvh}}

/* Distinguish the practice surface and leave room for focus outlines. */
.practice-dock{background:#e9eef5;border-top-color:#a6b6ca}
.practice-dock .tutor-space{background:transparent}
.dock-content{padding:6px 7px 8px;scroll-padding-block:20px}
.practice-dock #answer{padding:14px 16px}
.dock-toolbar{justify-content:space-between;align-items:center;padding-inline:7px}
.dock-toolbar .speed{display:flex;font-size:14px;gap:8px;color:var(--muted)}
.dock-toolbar .speed select{width:72px;font-size:14px;height:46px;padding:8px 6px}
#answer-form .response-controls .help-action:disabled{background:#e1e6ed;border-color:#a8b2bf;color:#7b8796;opacity:1;cursor:not-allowed}
/* Request feedback stays visible without blocking the reading surface. */
.loading-spinner,.is-loading::after{display:inline-block;width:18px;height:18px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;flex-shrink:0;animation:loading-turn .8s linear infinite}
#network-status{position:fixed;top:12px;right:12px;z-index:40;display:flex;align-items:center;gap:10px;max-width:calc(100vw - 24px);padding:10px 14px;background:#e9eef5;color:#233b5c;border:1px solid #a6b6ca;border-radius:8px;font-size:14px;pointer-events:none}
button.is-loading{position:relative;cursor:progress}button.is-loading svg{visibility:hidden}button.is-loading::after{content:'';position:absolute;left:calc(50% - 9px);top:calc(50% - 9px)}button.is-loading:not(.icon-button){padding-right:44px}button.is-loading:not(.icon-button)::after{left:auto;right:14px}
#layout-status.is-loading::after,#audio-status.is-loading::after{content:'';width:12px;height:12px;margin-left:8px;vertical-align:middle}
.answer-field{position:relative}.answer-field textarea{display:block}.practice-dock #answer[readonly]{background:#f5f7fb;cursor:progress}
@keyframes loading-turn{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.loading-spinner,.is-loading::after{animation:none;border-right-color:currentColor;border-style:dotted}}
.dock-toolbar{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px}.dock-toolbar>.speed{grid-column:1}.dock-toolbar>#dock-toggle{grid-column:3;grid-row:1}
.dock-toolbar #network-status{position:static;grid-column:2;grid-row:1;justify-content:center;max-width:none;min-width:0;padding:0;border:0;background:transparent;border-radius:0;font-size:12px;gap:7px}
.dock-toolbar #network-status .loading-spinner{width:14px;height:14px}.dock-toolbar #network-label{min-width:0;line-height:1.4}

.feedback-actions{display:flex;align-items:center;justify-content:flex-start;gap:12px;margin:16px 0}
.feedback-actions #speak-feedback{margin:0}
.feedback-actions .help-action{width:46px;background:#f1f3f6;border-color:#8994a3;color:#566170}
.feedback-actions .help-action:hover,.feedback-actions #ask-toggle[aria-expanded=true]{background:#e3e7ed;border-color:#667383;color:#354152}
.feedback-actions .help-action:disabled{background:#e1e6ed;border-color:#a8b2bf;color:#7b8796;opacity:1;cursor:not-allowed}

/* Keep playback and request status at the lower edge of the practice panel. */
.dock-content{flex:1 1 auto;min-height:0}
#dock-bottom{flex:0 0 auto;border-top:1px solid #bdc9d8;margin-top:8px;padding:12px 7px 0;background:#e9eef5}
#dock-bottom .playback-controls{justify-content:center;margin:0 auto;gap:12px}
#dock-request-status{min-height:28px;padding-top:8px;text-align:center}
#dock-request-status #network-status{position:static;justify-content:center;max-width:none;min-width:0;padding:0;border:0;background:transparent;border-radius:0;font-size:13px;gap:8px}
#dock-request-status #audio-status{margin:0;font-size:13px;line-height:1.5}
#dock-request-status:has(#network-status:not([hidden])) #audio-status{display:none}
#dock-request-status #audio-retry{margin:6px 0 0;font-size:13px;min-height:38px}

/* A single status message belongs to the persistent footer, never the answer. */
#practice #audio-status,#practice #record-status,#practice #hint-status,#practice #question-status,#practice #speech-status,#practice #layout-status{display:none!important}
#dock-request-status #practice-status{margin:0;font-size:13px;line-height:1.5}
#dock-request-status:has(#network-status:not([hidden])) #practice-status{display:none}
.practice-dock #answer[readonly]{padding-bottom:14px}

/* Preferences follow the library's quiet, linear reading order. */
.settings-section{padding:28px 0;border-top:1px solid var(--line);margin-top:28px}
.settings-section h2{margin:0 0 12px;font-size:24px}
#settings-view .settings-section{max-width:640px}.settings-section select{display:block;width:100%;max-width:none}
.voice-tests{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0 0}.voice-tests button{min-width:0;height:100%;padding:12px}
#voice-preview{display:block;width:100%;margin:16px 0 0}
.managed-book{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
.managed-book>div{min-width:0}.managed-book strong{overflow-wrap:anywhere}.managed-book p{margin:4px 0 0;font-size:14px}
.managed-book button{flex-shrink:0;color:var(--error)}
@media(max-width:480px){.managed-book{align-items:flex-start;gap:12px}.voice-tests button{flex:1}.settings-section{padding-top:24px}}

#vocab-book{width:100%;max-width:640px;margin-bottom:24px}

.reading-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.reading-actions #reading-vocab{font-size:14px}

.settings-field,.font-setting{margin:28px 0}.settings-field>label,.font-setting>label{display:block;margin:0 0 10px}.settings-field>.muted{margin:10px 0 0}.font-setting{margin-bottom:24px}.font-setting input[type=range]{display:block;width:100%;margin:0;max-width:none;accent-color:var(--accent);padding:0;min-height:44px}#settings-font-preview{font-family:Literata,Georgia,serif;line-height:1.75;background:var(--surface);padding:20px;border:1px solid var(--line);border-radius:12px;overflow-wrap:anywhere}

#settings-font-preview{margin:12px 0 0}#settings-status:empty{display:none}@media(max-width:480px){#save-settings{width:100%}}

/* Compact drawer handle: quiet appearance, generous horizontal touch area. */
.practice-dock .dock-toolbar{display:flex;justify-content:center;padding:0;margin:-6px 0 2px;min-height:28px}
.practice-dock .dock-toolbar #dock-toggle.icon-button{width:96px;max-width:96px;min-width:96px;height:28px;min-height:28px;flex:0 0 96px;padding:4px 24px;border:0;border-radius:6px;background:transparent;color:var(--muted)}
.practice-dock .dock-toolbar #dock-toggle.icon-button:hover{background:#dce4ef;color:var(--ink)}
.practice-dock .dock-toolbar #dock-toggle.icon-button svg{width:18px;height:18px}

#import-progress{display:flex;gap:16px;align-items:flex-start;padding:20px 0;margin-bottom:24px;border-block:1px solid var(--line)}#import-progress>div{min-width:0}#import-resource{overflow-wrap:anywhere}#import-state{margin:6px 0 0;color:var(--muted)}#import-spinner{margin-top:5px;color:var(--accent)}#import-edit{margin-top:12px}body:has(#welcome:not([hidden]) #import-progress[aria-busy=true])>#network-status{display:none}

.library-entry{border-bottom:1px solid var(--line)}.library-entry .library-reading{width:100%;border-bottom:0}.library-entry-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:0 22px 20px}.library-entry-actions button{font-size:14px}.library-entry-actions .icon-button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.reading-shortcuts{display:flex;align-items:center;gap:8px}.reading-shortcuts svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sidebar-reading{padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:12px}.sidebar-reading .book{margin-bottom:0;width:100%}.sidebar-reading .reading-shortcuts{padding:0 12px;justify-content:flex-end}.reading-shortcuts button{background:transparent;color:var(--muted);border-color:var(--line)}.reading-shortcuts button:hover{background:var(--soft);color:var(--ink)}

.home-tools{display:none}@media(max-width:720px){.home-tools{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 24px}.home-tools button{flex:1;font-size:15px}}

.library-entry-actions [data-reset-reading]{background:transparent;color:var(--muted);border-color:var(--line)}.library-entry-actions [data-reset-reading]:hover{background:var(--soft);color:var(--ink)}.library-entry-actions [data-reset-reading] svg{width:20px;height:20px}

.reading-fragment.completed-fragment:not(.active-fragment){background:#e9f3ec;text-decoration:none}.reading-fragment.completed-fragment:not(.active-fragment):hover{background:#dcece1}

#record-meter{display:flex;align-items:center;justify-content:center;gap:4px;height:28px;margin:0 auto 4px;color:var(--accent)}#record-meter span{display:block;width:4px;height:24px;border-radius:2px;background:currentColor;transform:scaleY(.18);transition:transform 90ms linear}@media(prefers-reduced-motion:reduce){#record-meter span{transition:none}}

body.is-reading #practice{padding-top:0}
.reading-cover{width:100%;height:76px;object-fit:contain;border-radius:4px;background:var(--highlight)}
.managed-book-body{flex:1}.book-editor{margin-top:12px}.book-editor summary{color:var(--accent);cursor:pointer;padding:8px 0;font-size:14px}.book-editor form{display:grid;gap:14px;padding-top:14px}.book-editor label{display:grid;gap:8px;font-weight:600}.book-editor input{width:100%;min-width:0;box-sizing:border-box}.book-editor input[type=file]{font-size:14px;padding:10px}.book-editor-actions{display:flex;flex-wrap:wrap;gap:10px}.managed-book .book-editor button{color:var(--ink)}.cover-preview{width:100px;height:140px;object-fit:contain}.book-editor p{overflow-wrap:anywhere}
@media(max-width:480px){.managed-book{flex-wrap:wrap}.managed-book-body{flex-basis:100%}.managed-book>[data-delete-book]{margin-left:auto}.book-editor-actions button{flex:1}}

.android-download{display:flex;flex-direction:column;align-items:flex-start;gap:4px;margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}.android-download a{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--accent);font-size:15px;font-weight:600;text-underline-offset:4px}.android-download a:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px}.android-download svg{width:24px;height:24px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.android-download small{font-size:13px;color:var(--muted)}