/* A compact workspace, shared writing tools, source-specific media. */
[hidden]{display:none!important}.section-title h1{font-size:22px;margin:0}.home-intro{margin-bottom:16px}.top{margin-bottom:22px}.side-note{font-size:12px}.learning .sidebar,.learning .top,.learning .mobile-nav{display:none}.learning .shell{display:block;max-width:1440px;min-height:100dvh}.learning .workspace{padding:0 28px 24px}.study-head{height:58px;display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line);margin-bottom:20px}.back-link{display:flex;gap:8px;align-items:center;min-height:44px;text-decoration:none;font-size:24px}.back-link span{font-size:14px}.study-course{font-size:14px;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-menu{position:relative}.lesson-menu summary{list-style:none;cursor:pointer;min-width:44px;min-height:44px;display:grid;place-items:center}.lesson-menu>div{position:absolute;right:0;top:44px;width:190px;background:var(--paper);border:1px solid var(--line);box-shadow:0 8px 24px #20372a15;z-index:30;border-radius:8px;padding:6px}.lesson-menu a,.lesson-menu button{display:block;width:100%;padding:10px;text-align:left;background:none;border:0;font-size:14px;text-decoration:none}.study-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(330px,1fr);gap:24px}.study-layout.is-audio{grid-template-columns:minmax(270px,.75fr) minmax(0,1.5fr)}.study-media{min-width:0}.study-title{padding:14px 0 12px}.study-title h1{font-size:20px;line-height:1.45;margin:0 0 8px;font-weight:650;letter-spacing:-.5px;overflow-wrap:anywhere}.study-meta{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:12px}.study-actions{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--line)}.study-actions button,.transport button,.small-control{font-size:13px;background:transparent;border:0;padding:8px;color:var(--accent);min-height:44px;border-radius:5px}.study-actions .micro{margin-left:auto}.micro{font-size:12px;color:var(--muted)}.save-status:empty{display:none}.player-error{background:#f6eadb;color:#71461d;padding:10px;font-size:13px;border-radius:4px}.video-surface{width:100%;aspect-ratio:16/9;background:#18211c;min-height:200px}.video-surface iframe{display:block;width:100%;height:100%;min-height:200px;border:0}.audio-surface{padding:12px 0 4px}.audio-surface audio{width:100%;height:44px}.transport{display:flex;gap:4px;align-items:center;flex-wrap:wrap}.transport select{font-size:13px;min-height:44px;border:0;background:transparent;padding:8px;color:var(--ink)}.transport #repeat{margin-left:auto}.study-work{min-width:0;border-left:1px solid var(--line);padding-left:24px}.work-tabs{display:flex;border-bottom:1px solid var(--line);gap:4px;position:sticky;top:0;background:var(--bg);z-index:4}.work-tabs button{flex:1;white-space:nowrap;padding:10px 6px;border:0;background:none;color:var(--muted);font-size:13px;border-bottom:2px solid transparent}.work-tabs button[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent);font-weight:700}.work-panel{position:relative;min-width:0}.inline-memo{padding:14px 0;border-bottom:1px solid var(--line)}.inline-memo label{font-size:12px;color:var(--muted)}.inline-memo textarea,.whole-writing,#scriptText{display:block;width:100%;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:12px;resize:vertical;font-size:15px;line-height:1.7;color:var(--ink)}.inline-memo textarea{margin-top:6px;min-height:86px}.inline-memo>div{display:flex;align-items:center;justify-content:space-between;margin-top:6px;gap:8px}.small-primary{background:var(--accent);color:white;border:0;padding:8px 14px;border-radius:5px;font-size:13px;min-height:44px}.compact-note{border-bottom:1px solid var(--line);padding:10px 0}.note-top{display:flex;justify-content:space-between;align-items:center}.time-link{color:var(--accent);background:none;border:0;padding:8px 0;font-size:13px;font-variant-numeric:tabular-nums}.compact-note p{font-size:14px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 6px}.compact-note p:empty{display:none}.compact-note details{position:relative}.compact-note summary{list-style:none;cursor:pointer;min-height:44px;min-width:44px;text-align:center;padding:9px}.compact-note details[open]{display:flex;background:var(--paper);border-radius:4px}.compact-note details button{border:0;background:none;font-size:12px;min-height:44px}.compact-note small{font-size:11px;color:var(--muted)}.quiet-empty{font-size:13px;color:var(--muted);padding:20px 0}.writing-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.whole-writing{min-height:calc(100dvh - 210px);border:0;background:transparent;padding:8px 0;resize:vertical;outline-offset:3px}.whole-writing:focus{outline:1px solid var(--line)}#writingConflict{border-top:1px solid #b88f5f;padding:10px 0;font-size:13px}#remoteWriting{white-space:pre-wrap;overflow-wrap:anywhere;max-height:200px;overflow:auto;font:inherit;background:var(--paper);padding:10px}.lesson-list-row{display:flex;gap:12px;align-items:flex-start;color:var(--ink);text-decoration:none;padding:14px 10px;border-bottom:1px solid var(--line);font-size:13px}.lesson-list-row.selected{background:var(--soft)}.lesson-list-row>span{min-width:20px;color:var(--muted)}.lesson-list-row b{font-weight:500;display:block;overflow-wrap:anywhere}.lesson-list-row small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.lesson-list{max-height:calc(100dvh - 160px);overflow:auto}.script-toolbar{display:flex;align-items:center;gap:8px;min-height:48px;border-bottom:1px solid var(--line)}.script-toolbar .micro{flex:1}.script-toolbar .small-control{font-size:12px}.script-toolbar .small-control[aria-pressed=true]{color:var(--accent);font-weight:700}.script-toolbar .small-control[aria-pressed=false]{color:var(--muted)}.sync-settings{position:relative;font-size:12px}.sync-settings summary{min-height:44px;padding:12px 4px;cursor:pointer}.sync-settings[open]{background:var(--paper);padding:8px;border:1px solid var(--line);position:absolute;right:0;top:0;z-index:6;width:230px}.sync-settings input{width:76px;padding:6px;border:1px solid var(--line);border-radius:3px;min-height:44px}.sync-settings small{display:block;color:var(--muted)}.script-lines{position:relative;max-height:calc(100dvh - 190px);overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;padding-bottom:30px}.script-line{display:flex;align-items:flex-start;border-left:2px solid transparent;margin:3px 0;border-radius:4px}.script-seek{flex:1;min-width:0;display:flex;gap:12px;text-align:left;padding:13px 10px;border:0;background:transparent;color:#66706a;line-height:1.8}.script-time{font-size:11px;padding-top:3px;min-width:35px;font-variant-numeric:tabular-nums;color:var(--muted)}.sentence{font-size:17px;overflow-wrap:anywhere;white-space:pre-wrap}.is-current{background:var(--soft);border-left-color:var(--accent)}.is-current .sentence{font-weight:600;color:var(--accent)}.is-current .word{background:linear-gradient(to right,var(--accent) var(--spoken,0%),#869389 var(--spoken,0%));background-clip:text;-webkit-background-clip:text;color:transparent}.script-edit{min-width:44px;min-height:44px;padding:8px;border:0;background:none;color:var(--muted);opacity:.45}.script-edit:hover,.script-edit:focus-visible{opacity:1}#scriptEditor{position:absolute;inset:45px 0 auto;background:var(--paper);padding:16px;border:1px solid var(--line);box-shadow:0 8px 40px #20372a22;z-index:5}#scriptText{min-height:150px}#scriptEditor button{margin-top:10px;padding:8px 12px;background:var(--soft);border:0;border-radius:4px}.growth-panel{border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:20px 24px;margin-bottom:24px}.growth-summary{display:flex;align-items:center;justify-content:space-between;gap:24px}.growth-summary strong{display:block;font-size:28px;font-weight:600;letter-spacing:-1px}.growth-level{min-width:150px;text-align:right}.growth-level>span{font-size:14px;font-weight:600}.growth-level small{font-size:11px;color:var(--muted)}.growth-track{height:4px;background:var(--line);margin:8px 0;border-radius:4px;overflow:hidden}.growth-track i{display:block;height:100%;background:var(--accent)}.week-strip{display:flex;align-items:center;gap:18px;margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.week-day{text-align:center;flex:1;font-size:11px;color:var(--muted)}.week-day i{font-style:normal;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;height:28px;width:28px;margin:5px auto 0}.week-day.done i{background:var(--accent);border-color:var(--accent);color:white}.week-day.started i{background:var(--soft);color:var(--accent)}.week-day.today>span{font-weight:700;color:var(--ink)}.week-total{font-size:20px;white-space:nowrap}.week-total small{font-size:12px;color:var(--muted)}.monthly-card{display:flex;justify-content:space-between;gap:22px;border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.monthly-card h2{font-size:18px;margin:0 0 6px}.monthly-card p{font-size:13px;color:var(--muted);margin:0}.month-mosaic{display:grid;grid-template-columns:repeat(7,25px);gap:4px}.month-mosaic span{display:grid;place-items:center;width:25px;height:25px;background:#f0f0eb;border-radius:3px;font-size:10px;color:var(--muted)}.month-mosaic .light{background:#e2eadf}.month-mosaic .filled{background:#8ca88e;color:#fff}.month-mosaic .deep{background:var(--accent);color:white}.activity-rule{max-width:600px;margin:16px 0 0}.home-grid{gap:20px}.resume-thumb{aspect-ratio:16/6}.resume-body{padding:18px 22px}.resume .art{min-height:90px;padding:18px 22px}.resume .art strong{font-size:21px}.resume .art small{display:none}
@media(max-width:1000px){.study-layout,.study-layout.is-audio{grid-template-columns:minmax(0,1.2fr) minmax(300px,1fr);gap:16px}.study-work{padding-left:16px}.study-title h1{font-size:18px}.sentence{font-size:16px}}
@media(max-width:760px){.learning .workspace{padding:0 16px 24px}.study-head{height:48px;margin-bottom:0;gap:14px}.study-layout,.study-layout.is-audio{display:block}.study-work{padding:0;border-left:0}.study-title{padding:12px 0 6px}.study-title h1{font-size:17px;line-height:1.45;margin-bottom:5px}.study-title h1{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;cursor:pointer}.study-title h1.expanded{-webkit-line-clamp:unset}.study-meta{font-size:11px;gap:10px}.video-surface{width:calc(100% + 32px);margin-left:-16px;min-height:200px}.video-surface iframe{min-height:200px}.audio-surface{padding-top:8px}.transport{gap:0}.transport button{padding:8px 7px}.study-actions{padding:2px 0}.work-tabs{margin-top:4px}.work-tabs button{font-size:13px}.script-lines{max-height:48dvh;min-height:160px;padding-bottom:16px}.script-seek{padding:10px 7px;gap:8px}.script-time{min-width:32px;font-size:10px}.sentence{font-size:16px}.script-toolbar{gap:4px}.whole-writing{min-height:40dvh;font-size:16px}.inline-memo textarea{font-size:16px;min-height:76px}.lesson-list{max-height:50dvh}.growth-panel{padding:16px;margin-bottom:18px}.growth-summary strong{font-size:26px}.week-strip{gap:5px}.week-total{font-size:18px;margin-left:6px}.growth-level{min-width:135px}.monthly-card{gap:12px;align-items:center}.monthly-card h2{font-size:16px}.month-mosaic{grid-template-columns:repeat(7,20px);gap:3px}.month-mosaic span{width:20px;height:20px;font-size:9px}.learning #toast{bottom:20px}.learning .study-actions .micro{font-size:11px}.learning .study-head .back-link{min-width:52px}.growth-panel+.section-title{margin-top:18px}.section-title h1{font-size:20px}.workspace{padding-inline:16px}.resume-thumb{aspect-ratio:16/7}}
@media(prefers-reduced-motion:no-preference){.growth-track i{transition:width .5s ease}.week-day i{transition:background .3s}.script-line{transition:background .18s}}