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0}.skeleton>div{display:grid;grid-template-columns:60px 1fr;gap:20px;border-bottom:1px dashed #d2ddc5;padding:12px 0}.skeleton dt{font-weight:650}.skeleton dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.reflection{margin-top:25px;padding-top:25px;border-top:1px dashed #d4dccb}.reflection .field{margin-top:20px}.saved-note{font-size:12px;margin-left:12px;color:#687f54}.row-actions{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-top:14px}.filters{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:25px}.filters label{font-size:13px;color:var(--muted);flex:1;min-width:170px}.filters select{display:block;margin-top:7px;font-size:14px}.mistake-row{padding:21px 0;border-bottom:1px solid var(--line)}.mistake-row:last-child{border-bottom:0;padding-bottom:0}.mistake-row:first-child{padding-top:0}.mistake-row .row-top{justify-content:flex-start;margin-bottom:10px}.mistake-row .row-top 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@media(min-width:1550px){main{padding-top:45px}.task-card{padding:26px}.task-description{min-height:30px}.task-grid{gap:22px}.today-banner{padding:30px 35px}.home-columns{grid-template-columns:1.4fr 1fr}}
@media(max-width:1150px){.sidebar{width:190px;padding:28px 15px}.main-shell{margin-left:190px}main{padding:28px}.topbar{padding:0 28px}.top-label{display:none}.topbar{justify-content:flex-end}.task-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.task-description{min-height:22px}.home-columns{grid-template-columns:1fr 1fr}.page-heading{align-items:flex-start}.date-note{display:none}.exercise-layout{grid-template-columns:1fr}.exercise-aside{display:none}.quick-help .section-title{align-items:flex-start;flex-direction:column;gap:0}.material-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.sidebar{position:static;width:auto;padding:16px 20px;display:block;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:17px;display:inline-flex}.brand-mark{width:35px;height:38px;font-size:25px}.brand-mark:after{border-left-width:17.5px;border-right-width:17.5px}.brand br{display:none}.brand strong{margin-left:4px}.sidebar-label,.sidebar-bottom,.nav-divider{display:none}nav{margin-top:20px;flex-direction:row;overflow:auto;gap:5px;padding-bottom:4px}nav a,.nav-disabled{white-space:nowrap;padding:8px 12px;font-size:13px;gap:8px;min-height:42px}nav a>span{font-size:16px;width:auto}.main-shell{margin-left:0}.topbar{height:65px;padding:0 20px;justify-content:space-between}.top-controls{width:100%;justify-content:space-between;gap:10px}.mode-control button{padding:7px 9px;font-size:11px}main{padding:25px 20px}.page-heading{margin-bottom:23px}.page-heading h1{font-size:27px}.page-heading .button{font-size:12px;white-space:nowrap}.today-banner{padding:23px;gap:15px}.today-banner h2{font-size:23px}.notebook-note{display:none}.today-banner p{font-size:13px}.section-title{align-items:flex-start}.section-title h2{font-size:19px}.section-title>.muted{max-width:115px;text-align:right}.task-grid{gap:13px}.task-card{padding:17px 15px}.task-card h3{font-size:19px}.task-card p{min-height:36px}.task-description{font-size:12px;min-height:40px}.task-meta{font-size:10px;gap:5px}.home-columns,.module-grid,.help-grid{grid-template-columns:1fr}.panel{padding:22px}.home-columns{gap:0}.quick-help .section-title{flex-direction:row;gap:10px}.local-footer{flex-direction:column;align-items:flex-start;gap:4px}.local-footer>div{gap:20px}.two-col,.planner,.material-grid,.word-grid{grid-template-columns:1fr}.question-box h2{font-size:20px}.exercise-paper{padding:20px}.step{gap:10px}.working{padding:16px}.help-sheet{padding:23px}.reflection select{font-size:14px}.row-actions{gap:12px}.filters{gap:12px}.storage-warning{padding:15px 20px}#announcement{left:20px;right:20px;bottom:12px;max-width:none}}
@media print{body{background:white;color:#222}.sidebar,.topbar,.skip,.page-heading button,.text-button,.storage-warning,#announcement{display:none!important}.main-shell{margin:0}main{padding:0;max-width:none}.page-heading{margin:0 0 15px}.page-heading h1{font-size:24px}.help-grid{display:block}.help-sheet{break-inside:avoid;page-break-inside:avoid;box-shadow:none;margin:0 0 20px;padding:20px;border:1px solid #bbb;background:white}.help-sheet h2{font-size:22px}.help-steps{display:grid;grid-template-columns:1fr 1fr;gap:12px}.help-steps>div{padding:0}.help-steps>div:before{display:none}.highlight-note{border:1px solid #999}.help-check{margin-bottom:0}@page{size:A4;margin:15mm}}
@media screen and (min-width:761px) and (max-width:1000px){.help-grid,.module-grid,.home-columns{grid-template-columns:1fr}.quick-help .section-title{flex-direction:row}.help-sheet{padding:28px 32px}.help-steps{display:grid;grid-template-columns:1fr 1fr;gap:18px}.help-steps>div:before{display:none}.help-steps>div{padding-bottom:8px}}

/* Session, progress and feedback reuse the notebook palette. */
.session-progress{width:100%;height:10px;accent-color:#2e5146;margin:0 0 20px}
.session-stats{display:flex;flex-wrap:wrap;gap:24px}.session-stats p{display:flex;flex-direction:column;min-width:110px;margin:8px 0}.session-stats strong{font-size:1.7rem;color:#2e5146}
.session-answer{padding:16px 0;border-bottom:1px solid #dedfd5}.session-answer summary{cursor:pointer;font-weight:600}.session-answer pre{white-space:pre-wrap;overflow-wrap:anywhere}
.reward-card{background:#f7f2df;border-left:4px solid #b19a55}.reward-card p{font-size:1.1rem}.wish-text{white-space:pre-wrap;overflow-wrap:anywhere}.exam-navigation [aria-current="step"]{background:#2e5146;color:white}
.row-actions{flex-wrap:wrap}#wishlist-handoff{width:100%;margin-top:16px}.field select{max-width:100%}
@media(max-width:600px){.session-stats{gap:12px}.session-stats p{min-width:95px}.exercise-actions{flex-wrap:wrap}.exam-navigation{flex-wrap:wrap}.row-actions .button{white-space:normal}}
/* Vocabulary uses the existing notebook cards and controls. */
.dictation-pinyin,.dictation-word{font-size:2rem;line-height:1.8}.word-edit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}fieldset{border:1px solid #d8ded6;border-radius:12px;padding:16px;margin:16px 0}.row-actions label{max-width:100%}input,select,textarea{max-width:100%}
.import-panel{margin-top:1.2rem;border-top:1px solid #d8ded6;padding-top:1rem}.import-panel textarea{width:100%;font:inherit;font-size:.9rem}.import-panel pre{white-space:pre-wrap;overflow-wrap:anywhere}.feedback{overflow-wrap:anywhere}
.book-group{margin:0 0 26px}.book-heading{margin:0 0 12px}.lesson-list{display:grid;grid-template-columns:repeat(3,minmax(220px,1fr));gap:12px}.lesson-card{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;column-gap:12px;align-items:center;min-height:82px;width:100%;padding:14px 16px;text-align:left;border:1px solid var(--line);border-radius:10px;background:var(--white)}.lesson-card:hover,.lesson-card[aria-expanded=true]{background:var(--sage);border-color:#aebda8}.lesson-eyebrow{grid-row:1/3;align-self:start;margin-top:2px;padding:3px 7px;border-radius:5px;background:#e4ebdf;color:var(--green);font-size:11px;font-weight:700;letter-spacing:.7px;line-height:1.4}.lesson-title{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;font-size:16px;font-weight:650;line-height:1.35}.lesson-count{color:var(--muted);font-size:12px;line-height:1.4}.lesson-words{margin-top:12px;padding:16px;border:1px solid var(--line);border-radius:10px;background:#fbfbf6}.vocab-chips{display:flex;flex-wrap:wrap;gap:8px}.vocab-chip{flex:0 0 auto;width:auto;border:1px solid #d6ddd0;border-radius:999px;background:#fffefa;color:var(--ink);padding:7px 12px;font:inherit;font-size:15px;cursor:pointer}.vocab-chip:hover,.vocab-chip[aria-expanded=true]{background:var(--tint);border-color:#829874}.vocab-progress{color:var(--accent);font-size:12px}.vocab-word-detail{margin:14px 0 0;padding:14px 16px;border-left:3px solid var(--accent);background:#f5f6ef}.vocab-word-detail h3{margin:0 0 8px}.vocab-word-detail h3 small{font-weight:400;color:var(--muted)}.vocab-word-detail p{margin:6px 0}
.brand-mark{font:700 14px Arial,sans-serif;letter-spacing:-.5px;padding:0}

.synthesis-fragments{display:grid;gap:10px;padding-left:24px}.synthesis-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.synthesis-compare pre{white-space:pre-wrap;font:inherit}.synthesis-prompt{width:100%;min-height:220px}@media(max-width:1100px){.lesson-list{grid-template-columns:repeat(2,minmax(220px,1fr))}}@media(max-width:650px){.lesson-list{grid-template-columns:1fr}.synthesis-compare{grid-template-columns:1fr}}

.help-dialog{position:fixed;inset:0 0 0 auto;margin:0;width:min(560px,95vw);max-width:95vw;height:100dvh;max-height:100dvh;border:0;border-left:1px solid #d9ded6;padding:0;background:#fffdf7;color:#243b32;box-shadow:-8px 0 35px #0002}.help-dialog::backdrop{background:#20332c66}.help-shell{height:100%;display:flex;flex-direction:column}.help-shell header,.help-shell footer{padding:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;border-bottom:1px solid #ddd}.help-shell header h2{flex:1;margin:0}.help-shell footer{border-top:1px solid #ddd;border-bottom:0}.help-body{flex:1;overflow:auto;padding:20px;overscroll-behavior:contain}.help-body pre{white-space:pre-wrap;font:inherit}.structure-check{margin:20px 0;padding:16px;border:1px solid #d6ded6;border-radius:12px}.structure-band{padding:14px;background:#f2f4ec;border-radius:10px;margin:14px 0}.adaptive-note{font-size:15px}.help-dialog .synthesis-compare{grid-template-columns:1fr}@media(max-width:600px){.help-dialog{inset:auto 0 0 0;width:100%;max-width:100%;height:85dvh;max-height:95dvh;border-radius:20px 20px 0 0;border-left:0}.help-shell header,.help-shell footer{padding:14px}.help-body{padding:16px}.help-shell footer .button{flex:1 1 auto}}

/* Cloud/PWA shell: preserve the existing notebook layout. */
.brand{gap:9px}.brand-mark{flex:0 0 36px;width:36px}.brand-mark:after{border-left-width:18px;border-right-width:18px}.brand-name{font-size:15px;line-height:1.3;letter-spacing:0;overflow-wrap:normal}.brand-name small{display:block;font-size:11px;margin-top:7px;font-weight:normal}.sync-detail{white-space:pre-wrap;overflow-wrap:anywhere;max-height:320px;overflow:auto}.pwa-update{position:fixed;bottom:12px;right:12px;max-width:calc(100vw - 24px);padding:16px;background:#f4eddc;box-shadow:0 2px 20px #0003;z-index:30}

/* Compact sidebar identity; full title belongs in the main header. */
.brand-short{white-space:nowrap;font-size:25px;font-weight:750;letter-spacing:1px}.main-brand{font-size:23px;line-height:1.25;font-weight:650;white-space:nowrap;letter-spacing:-.5px}.topbar{height:auto;min-height:85px;gap:20px;padding-top:16px;padding-bottom:16px;flex-wrap:wrap}.access-entry{max-width:640px;margin:7vh auto}.access-entry h1{margin-bottom:12px}.entry-options{display:grid;gap:14px}.child-account{padding:18px 0;border-bottom:1px solid var(--line)}.child-account form{margin-top:20px}.child-account details{margin-top:12px}@media(max-width:760px){.main-brand{font-size:22px}.topbar{align-items:flex-start;gap:14px}.top-controls{flex-wrap:wrap}.access-entry{margin:24px auto}}