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var(--line);border-radius:8px;background:var(--paper)}table{width:100%;border-collapse:collapse;font-size:.87rem}th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}th{font-size:.72rem;letter-spacing:.04em;color:var(--muted);background:var(--wash);font-weight:600}td form{display:inline-block}td button{font-size:.74rem;padding:5px 10px;min-height:32px}td:last-child{min-width:120px}tr:last-child td{border-bottom:0}td small{margin-top:4px}.facts{display:grid;grid-template-columns:1fr 1fr;gap:14px}.facts dt{color:var(--muted)}.facts dd{margin:0}.question-panel{padding:30px;background:var(--paper);border:1px solid var(--line);border-radius:9px;margin:25px 0}.question-label{display:flex;justify-content:space-between;font-size:.77rem;color:var(--muted);margin-bottom:18px}.question-panel h2{font-size:1.2rem;line-height:1.6}.answer-choice{padding:14px;border:1px solid var(--line);border-radius:6px;margin:8px 0}.student-answer{background:var(--wash);padding:20px;border-radius:5px;margin:20px 0}.correction{margin:20px 0;color:var(--muted)}.grade-summary{font:2.5rem Georgia;color:var(--accent);margin:24px 0}.grade-summary small{font:1rem system-ui;margin-top:10px}.avatar{height:42px;width:42px;border-radius:50%;display:grid;place-items:center;background:var(--wash);flex:none;font:1.3rem Georgia;color:var(--accent)}.conversation-row time{max-width:130px}.contact-list{max-height:320px;overflow:auto}.message-feed{display:flex;flex-direction:column;gap:18px;padding:25px 0;min-height:150px;max-height:65vh;overflow:auto}.message-bubble{max-width:83%;padding:19px 22px;background:var(--paper);border:1px solid var(--line);border-radius:12px;align-self:flex-start;overflow-wrap:anywhere}.message-bubble.own{align-self:flex-end;background:var(--wash)}.message-meta{display:flex;gap:14px;align-items:baseline;font-size:.8rem;flex-wrap:wrap}.message-bubble p{margin:12px 0;font-size:.95rem}.message-bubble 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@media(min-width:1600px){main{padding-left:70px;padding-right:70px}}@media(max-width:1100px){.sidebar{width:210px;padding:26px 15px}.workspace{margin-left:210px}.auth-workspace{margin-left:0}main{padding:30px}.topbar{padding:16px 30px}.reading-layout{grid-template-columns:140px minmax(0,1fr);gap:26px}.dashboard-grid,.two-columns{grid-template-columns:1fr}.stats{grid-template-columns:repeat(3,1fr)}}@media(max-width:800px){.sidebar{position:static;width:100%;padding:17px 22px;border-right:0;border-bottom:1px solid var(--line);display:block;overflow:visible}.brand{display:block;margin:0 0 14px;font-size:.8rem}.brand small,.sidebar>.eyebrow,.sidebar-foot{display:none}.brand span{height:32px;width:32px;font-size:22px}.sidebar nav{flex-direction:row;overflow-x:auto;padding-bottom:4px}.sidebar nav a{white-space:nowrap;font-size:.8rem;padding:8px 11px}.workspace{margin:0}.topbar{padding:12px 22px}.topbar>span{font-size:.73rem}main{padding:30px 22px}.reading-layout{display:block}.contents{position:static;max-height:none;margin-bottom:30px;padding:18px;border:1px solid var(--line);border-radius:7px}.contents nav{columns:2;display:block}.contents nav a{display:block;margin-bottom:10px}.article-heading h1{font-size:2.7rem}.form-grid{gap:12px}.builder-toolbar{position:static}.page-heading{padding-top:0}.lesson-row{gap:15px}.conversation-row{flex-wrap:wrap}.conversation-row time{margin-left:65px;margin-top:-16px;max-width:none}.message-bubble{max-width:93%}.sidebar-foot.mobile-visible{display:block}.auth-workspace main{min-height:80vh}.auth-card{padding:28px}}@media(max-width:480px){main{padding:25px 17px}.topbar{padding:10px 17px}.topbar>span{display:none}.top-controls{width:100%;justify-content:flex-end}.language{margin-right:auto}.page-heading h1,.page-heading.compact h1,.article-heading h1{font-size:2.2rem}.form-grid{grid-template-columns:1fr}.panel,.question-panel,.editor-block,.question-editor{padding:19px}.lesson-row{flex-wrap:wrap;gap:12px}.lesson-row .status{margin-left:32px}.row-index{align-self:flex-start}.lesson-row>div{flex-basis:70%}.stats{grid-template-columns:repeat(2,1fr)}.contents nav{columns:1}.actions button,.actions .button{padding:9px 12px}.lesson-body h2{font-size:1.6em}.question-panel h2{font-size:1.08rem}.block-heading{flex-wrap:wrap}.filters>label{min-width:100%;}.add-block{padding:17px}.add-block label{width:100%}.version-row{flex-wrap:wrap}.facts{grid-template-columns:1fr;gap:5px}.facts dd{margin-bottom:12px}footer{padding:22px 17px}.auth-card{padding:25px 20px}.table-wrap{font-size:.8rem}.message-meta{gap:6px}.message-bubble{padding:16px}.builder-toolbar button{font-size:.75rem;padding:8px 10px}}
.stats>a{padding:21px;background:var(--paper);border-top:2px solid var(--accent);color:var(--muted);text-decoration:none;font-size:.8rem}.stats>a strong{display:block;font:2rem Georgia;color:var(--ink);margin-bottom:9px}.columns{display:grid;grid-template-columns:1fr 1fr;gap:35px;margin:35px 0}.row-link{display:flex;justify-content:space-between;gap:15px;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}.row-link strong{display:block;font-size:.95rem;font-weight:500;line-height:1.5}.row-link small{margin-bottom:6px}.row-link:hover{color:var(--accent)}.empty-note{font-size:.88rem;color:var(--muted);padding:22px 0}.action-strip{display:flex;gap:17px;align-items:center;flex-wrap:wrap;padding:23px;background:var(--wash);border-radius:8px;font-size:.85rem}.anchor-nav{display:flex;gap:15px;flex-wrap:wrap;font-size:.85rem}.full{grid-column:1/-1}.subject-list a{gap:20px}.table-wrap .inline{margin-left:12px}.error{color:#a32f2f}.auth-panel .small{margin:20px 0 0}
@media(max-width:1000px){.columns{grid-template-columns:1fr;gap:25px}}@media(max-width:800px){.sidebar-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:13px;font-size:.7rem}.sidebar-foot small{display:none}.sidebar-foot>a{margin:0;margin-left:auto}.sidebar-foot .text-button{font-size:.7rem}.sidebar-foot form{margin:0}.stats>a{padding:14px}}
@media print{.sidebar,.topbar,footer,.actions,.contents,.no-print,#toast,.builder-toolbar,.skip{display:none!important}.workspace{margin:0}body{background:#fff;color:#000}main{padding:0;max-width:none}.reading-layout{display:block}.lesson-body{font-size:11pt;line-height:1.6}.lesson-body h2{break-after:avoid;font-size:18pt}.content-block{break-inside:avoid}figure img{max-height:350px}.practice textarea{min-height:90px}.article-heading h1{font-size:30pt}.practice details>p{display:none}a{color:inherit;text-decoration:none}}

.row-number{font:italic 1.3rem Georgia;color:var(--gold)}.row-link.lesson-row>span:nth-child(2){flex:1}.columns>*{min-width:0}.content-block img{min-height:120px}.sidebar nav{flex-shrink:0}

/* School identity uses the supplied artwork at its original aspect ratio. */
.preference-label{font-size:.7rem;letter-spacing:.03em;margin-right:5px;color:var(--muted)}.lesson-language-bar{display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px;padding:15px 0;margin:10px 0 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.lesson-language-bar form{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.lesson-language-bar label{font-size:.8rem;color:var(--ink)}.lesson-language-bar select{width:auto;max-width:100%;padding:8px 11px;font-size:.86rem}.lesson-language-bar button{min-height:37px;padding:7px 12px}.lesson-language-bar p{font-size:.76rem;color:var(--muted);margin:0}.translation-notice{padding:14px 18px;background:var(--wash);border-left:3px solid var(--accent);font-size:.87rem}.translation-entry h2{margin-bottom:8px}.translation-entry p{font-size:.86rem;color:var(--muted)}.translation-passage{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:25px;border:1px solid var(--line);border-radius:8px;padding:24px;background:var(--paper);margin:18px 0}.translation-original p:last-child{font-size:.94rem;line-height:1.8;white-space:pre-line}.translation-state{display:block;font-size:.71rem;font-weight:400;color:var(--muted);margin:5px 0}.translation-passage textarea{font-weight:400;font-size:1rem;line-height:1.8}.actions a[aria-current=page]{background:var(--wash);border-color:var(--accent)}.original-language textarea{max-width:100%}article[lang=ja],article[lang=ko],article[lang=zh-Hans]{line-height:2;word-break:normal;overflow-wrap:anywhere}
@media(max-width:700px){.translation-passage{grid-template-columns:1fr;padding:18px;gap:12px}.lesson-language-bar form{width:100%}.lesson-language-bar label{width:100%}.lesson-language-bar select{flex:1}.preference-label{font-size:.65rem}}
.brand .school-logo{display:block;width:120px;height:auto;max-width:100%;margin:0 auto 16px;object-fit:contain}.sidebar .brand{text-align:center;margin-bottom:28px}.auth-logo{display:block;width:132px;height:auto;max-width:100%;margin:0 auto 28px;object-fit:contain}
@media(max-width:800px){.sidebar .brand{margin:0 0 12px;text-align:left}.brand .school-logo{width:76px;margin:0}.auth-logo{width:120px}}

.document-toolbar{position:sticky;top:0;z-index:8;display:flex;flex-wrap:wrap;gap:5px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:8px 8px 0 0}.document-toolbar button{font-size:.8rem;padding:7px 10px;min-height:36px}.document-toolbar select{width:auto;max-width:170px;margin:0;padding:7px}.document-toolbar [data-format=bold]{font-weight:800}.document-toolbar [data-format=italic]{font-style:italic}.lesson-document{min-height:65vh;background:var(--paper);border:1px solid var(--line);padding:42px 7%;font-family:Georgia,serif;font-size:1.1rem;line-height:1.85;outline:none;overflow-wrap:anywhere}.lesson-document:focus{border-color:var(--accent)}.lesson-document>p{margin:0 0 1.3em}.lesson-document h2{margin:1.5em 0 .6em}.lesson-document img{display:block;max-width:100%;max-height:420px;margin:auto}.lesson-document figure{margin:2em 0}.lesson-document figcaption,.lesson-document small{font-size:.82rem;color:var(--muted)}.lesson-document [contenteditable=true]:empty:before{content:'…';color:var(--muted)}.lesson-document table{width:100%;table-layout:fixed}.lesson-document td{border:1px solid var(--line);min-width:40px;padding:10px}.document-question{border-top:1px solid var(--line);padding:20px 0;margin:22px 0}.document-question>div{min-height:2em}.document-question small{display:block;font-family:system-ui,sans-serif}.rich-prose{line-height:1.85}.rich-prose ul,.rich-prose ol{padding-left:1.5em}.messaging-layout{display:grid;grid-template-columns:minmax(180px,250px) minmax(0,1fr);gap:28px}.inbox-sidebar{border-right:1px solid var(--line);padding-right:20px}.inbox-sidebar label{margin:20px 0 12px}.inbox-item{display:block;padding:13px 10px;border-bottom:1px solid var(--line);font-size:.85rem;text-decoration:none;overflow-wrap:anywhere}.inbox-item.selected{background:var(--wash);border-left:3px solid var(--accent)}.conversation-main{min-width:0}.conversation-main .page-heading h1{font-size:1.6rem}.conversation-main .message-feed{max-height:54vh;min-height:240px}.message-composer{position:sticky;bottom:0;background:var(--paper);padding:16px;border:1px solid var(--line);border-radius:10px}.message-composer textarea{margin-bottom:10px}.contact-list{max-height:270px;overflow:auto}.contact-option{padding:8px;border-bottom:1px solid var(--line)}[hidden]{display:none!important}
@media(max-width:900px){.messaging-layout{grid-template-columns:1fr}.inbox-sidebar{display:none}.lesson-document{padding:25px 20px}.document-toolbar{position:static}.document-toolbar button{font-size:.75rem}.message-composer{position:static}}

.multi-picker{border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:9px;min-width:160px}.multi-options{max-height:190px;overflow:auto}.multi-options label{font-weight:400;padding:5px 2px;margin:0}.multi-picker input[type=search]{margin-bottom:8px}.lesson-sources{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;font-size:.9rem}.lesson-sources li{margin:10px 0}.lesson-document [data-type=Source]{padding:16px;border-left:3px solid var(--accent);margin:18px 0}

/* Compact selection panels and administration tables. */
.lesson-filters{display:grid!important;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:16px;align-items:start}.lesson-filters>label{min-width:0!important;width:100%;margin:0}.lesson-filters>.wide{grid-column:1/-1}.lesson-filters>*{min-width:0}.multi-picker{min-width:0;width:100%;margin:0;padding:0;background:var(--paper)}.multi-picker summary{padding:11px 12px;cursor:pointer;overflow-wrap:anywhere;font-size:.85rem;font-weight:400}.multi-picker[open]{padding:0 10px 10px}.multi-picker[open] summary{margin:0 -10px 6px}.multi-picker input[type=search]{min-width:0;width:100%;font-size:.82rem}.multi-options{max-height:210px}.multi-options .check{display:flex!important;align-items:start;gap:8px;font-size:.82rem;line-height:1.45;overflow-wrap:anywhere}.multi-options .check[hidden]{display:none!important}.multi-options input[type=checkbox]{width:16px;height:16px;flex:none;margin:2px 0 0}.lesson-list-item{border-bottom:1px solid var(--line);padding-bottom:14px}.lesson-list-item>.lesson-row{border-bottom:0}.lesson-row-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.lesson-row-actions form{margin:0}.lesson-row-actions button,.lesson-row-actions .button{font-size:.8rem;padding:8px 12px}.danger-button{color:#a2392e;border-color:#cbb1ac;background:var(--paper)}body.dark .danger-button{color:#ffb1aa}.admin-tabs{display:flex;flex-wrap:wrap;gap:7px;margin:25px 0}.admin-tabs a{padding:8px 12px;border:1px solid var(--line);border-radius:6px;text-decoration:none;font-size:.8rem}.admin-tabs a[aria-current]{background:var(--accent);color:var(--paper)}.admin-section{margin-top:25px}.table-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin:18px 0 0}.table-controls label{font-size:.78rem;min-width:150px;flex:1;margin:0}.table-controls input,.table-controls select{width:100%;font-size:.84rem}.table-controls .table-size{max-width:100px;min-width:90px;flex:0 1 100px}.table-pagination{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:flex-end;margin:12px 0}.table-pagination span{margin-right:auto;font-size:.8rem;color:var(--muted)}.table-pagination button{font-size:.8rem;padding:7px 12px;min-height:34px}.table-selection-status{font-size:.78rem;color:var(--muted);margin:0 0 8px}.table-wrap:has([data-admin-table]){margin-top:12px}[data-admin-table] th,[data-admin-table] td{padding:12px;line-height:1.5}[data-admin-table] td:last-child{min-width:205px}[data-admin-table] td:first-child:has(input[type=checkbox]){width:35px}[data-admin-table] input[type=checkbox]{width:16px;height:16px}.generator-form{max-width:760px}.generator-form .form-grid{align-items:start}@media(max-width:950px){#assignments>.columns{grid-template-columns:1fr;display:grid}}@media(max-width:480px){.admin-tabs{gap:5px}.admin-tabs a{font-size:.74rem;padding:7px 9px}.table-controls label{min-width:100%}.lesson-filters{grid-template-columns:1fr}.table-pagination{gap:8px}}
/* Timetable and calendar */
.timetable-wrap{max-height:80vh;overflow:auto}
.timetable{table-layout:auto;min-width:900px}
.timetable th,.timetable td{border:1px solid var(--line);padding:6px 8px;vertical-align:top;font-size:.78rem}
.timetable thead th{position:sticky;top:0;z-index:2;text-align:center;min-width:120px}
.timetable thead th small{font-weight:400}
.timetable .tt-time{position:sticky;left:0;z-index:1;background:var(--wash);white-space:nowrap;width:70px;text-align:left;font-weight:700}
.timetable .tt-time small{display:block;font-weight:400}
.timetable .tt-time .tt-note{font-style:italic;white-space:normal}
.tt-banner{text-align:center;background:var(--wash)}
.tt-banner .tt-entry{display:inline-block;margin:2px 6px}
.tt-entry{display:block;border-radius:6px;padding:5px 7px;margin:2px 0;background:var(--paper);border-left:4px solid var(--accent)}
.tt-entry strong,.tt-entry span,.tt-entry small{display:block}
.tt-group{font-weight:700;text-transform:uppercase;font-size:.72rem;letter-spacing:.03em}
.tt-dim{opacity:.28}
.tt-default{border-left-color:var(--accent)}
.tt-green{background:#e3f2e5;border-left-color:#2e7d43}
.tt-blue{background:#e2eefb;border-left-color:#2563a8}
.tt-yellow{background:#fdf5d3;border-left-color:#b08900}
.tt-orange{background:#fde8d7;border-left-color:#c75b12}
.tt-pink{background:#fbe4ef;border-left-color:#b83b78}
.tt-purple{background:#ece5f7;border-left-color:#6b46a8}
.tt-grey{background:#eceeed;border-left-color:#6b7472}
body.dark .tt-entry:not(.tt-default){color:#172f30}
tr.selected td{background:var(--wash)}
.room-row{margin:0}
.room-row label{flex:1 1 180px}
.calendar-nav{align-items:center;justify-content:space-between}
.calendar-nav h2{margin:0}
.calendar{table-layout:fixed;min-width:760px}
.calendar th,.calendar td{border:1px solid var(--line);padding:6px;vertical-align:top}
.cal-week{width:90px;text-align:center;background:var(--wash)}
.cal-week strong{font-size:1.3rem;display:block}
.cal-week-form{display:flex;gap:4px;align-items:center;justify-content:center;margin-top:4px}
.cal-week-form select{padding:2px 4px;width:auto;margin:0}
.cal-day{height:92px}
.cal-num{display:block;font-weight:700;font-size:.8rem}
.cal-out{opacity:.4}
.cal-weekend{background:var(--bg)}
.cal-term{background:var(--paper)}
.cal-today .cal-num{color:var(--paper);background:var(--accent);border-radius:50%;width:24px;height:24px;text-align:center;line-height:24px}
.cal-event{display:block;font-size:.72rem;border-radius:4px;padding:2px 5px;margin-top:3px;background:var(--wash)}
span.cal-event{display:inline-block}
.cal-day .cal-event{display:block}
.cal-holiday,.cal-closure{background:#fde8d7;color:#7a3507}
.cal-public{background:#fde2e2;color:#8a1f1f}
.cal-exam{background:#ece5f7;color:#45297a}
.cal-event.cal-event{border:0}
.tt-actions{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap}.tt-actions form{margin:0}