/* The standard question layout: the same on screens, in viewers and in PDFs. */
.qtext{font-family:Georgia,"Times New Roman",serif;line-height:1.5;color:inherit}
.qtext p{margin:0 0 .5em}
.qtext p:last-child{margin-bottom:0}
.qtext ul,.qtext ol{margin:.2em 0 .5em;padding-left:1.4em}
.qtext table{border-collapse:collapse;margin:.4em 0}
.qtext th,.qtext td{border:1px solid #CFC8BC;padding:3px 8px}
.qtext .q-fig{display:block;max-width:100%;max-height:260px;margin:.3em auto .6em;object-fit:contain}
.qtext .q-choices{list-style:none;padding:0;margin:.5em 0 0;display:grid;gap:.25em .9em;grid-template-columns:repeat(var(--qc-cols,1),minmax(0,1fr))}
.qtext .q-choices li{display:flex;gap:.45em;align-items:baseline}
.qtext .q-choices b{font-family:-apple-system,"Segoe UI",system-ui,sans-serif;font-size:.85em;min-width:1.2em}
.qtext .tex-d{display:block;text-align:center;margin:.35em 0;overflow-x:auto;overflow-y:hidden}
.qtext .katex{font-size:1.05em}
.qtext.q-sm .q-fig{max-height:140px}

/* ---- Messages (teacher) */
.km-wrap{display:grid;grid-template-columns:240px minmax(0,1fr);gap:16px;align-items:start}
.km-list{padding:8px;gap:2px}
.km-item{display:flex;justify-content:space-between;align-items:center;gap:8px;border:0;background:transparent;border-radius:10px;padding:10px 12px;min-height:44px;text-align:left;color:var(--ink);font-size:15px}
.km-item:hover{background:var(--soft)}
.km-item.on{background:var(--brand);color:#fff}
.km-item.on .muted{color:#CFE0E2}
.km-name{font-weight:600}
.km-badge{min-width:22px;height:22px;padding:0 6px;border-radius:99px;background:var(--notyet);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
@media (max-width:820px){.km-wrap{grid-template-columns:1fr}.km-list{flex-direction:row;overflow-x:auto}.km-item{flex:0 0 auto}}

/* ---- Bell */
.kb{position:relative}
.kb-btn{position:relative;border:0;background:transparent;color:#C9DADD;width:44px;height:44px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center}
.kb-btn:hover,.kb-btn[aria-expanded="true"]{background:rgba(255,255,255,.14);color:#fff}
.kb-dot{position:absolute;top:5px;right:4px;min-width:18px;height:18px;padding:0 5px;border-radius:99px;background:#E8700F;color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center}
.kb-panel{position:absolute;right:0;top:50px;width:min(380px,calc(100vw - 32px));max-height:70vh;overflow:auto;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 36px rgba(18,52,59,.18);z-index:60}
.kb-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--soft);position:sticky;top:0;background:#fff}
.kb-head b{font-size:15px}
.kb-head button{border:0;background:none;color:var(--brand);font-size:13px;font-weight:600;padding:6px}
.kb-item{display:flex;gap:10px;width:100%;border:0;background:#fff;text-align:left;padding:11px 14px;border-bottom:1px solid var(--soft);color:var(--ink)}
.kb-item:hover{background:#FBFAF7}
.kb-item.new{background:#F3F8F9}
.kb-ic{flex:0 0 28px;height:28px;border-radius:8px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;font-size:14px}
.kb-t{font-weight:600;font-size:14px;line-height:1.35}
.kb-b{font-size:13px;color:var(--muted);margin-top:2px;line-height:1.4;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.kb-d{font-size:12px;color:var(--muted);margin-top:3px}
.kb-empty{padding:28px 14px;text-align:center;color:var(--muted);font-size:14px}
.tab-n{display:inline-flex;margin-left:6px;min-width:20px;height:20px;padding:0 6px;border-radius:99px;background:var(--notyet);color:#fff;font-size:11.5px;font-weight:700;align-items:center;justify-content:center;vertical-align:1px}

/* ---- Question review editor */
.kq{gap:10px}
.kq-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.kq-st{background:var(--soft);color:var(--muted)}
.kq-st-pending{background:#FDF3DC;color:#8A5A00}
.kq-st-approved{background:var(--solved-soft);color:var(--solved)}
.kq-st-rejected{background:var(--notyet-soft);color:var(--notyet)}
.kq-msg{background:#FBFAF7;border:1px solid var(--soft);border-radius:10px;padding:8px 12px;font-size:13.5px;color:var(--muted)}
.kq-msg summary{cursor:pointer;font-weight:600;color:#8A5A00}
.kq-warn{background:#FDF3DC;border-color:#F0DDB0}
.kq-bad{background:var(--notyet-soft);border-color:#F0C7C1;color:#7A2219}
.kq-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:16px;align-items:start}
@media (max-width:860px){.kq-grid{grid-template-columns:1fr}}
.kq-lbl{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.kq-paper{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;font-size:17px;box-shadow:0 1px 0 rgba(0,0,0,.03)}
.kq-ans{margin-top:12px;padding-top:8px;border-top:1px dashed var(--line);font-size:14px;color:var(--muted)}
.kq-src{margin-top:8px;font-size:13px;color:var(--muted)}
.kq-src summary{cursor:pointer}
.kq-src img{display:block;max-width:100%;margin-top:6px;border:1px solid var(--line);border-radius:8px}
.kq-form{display:flex;flex-direction:column;gap:10px}
.kq-form label{display:block}
.kq-form .inp{width:100%}
.kq-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (max-width:560px){.kq-row{grid-template-columns:1fr}}
.kq-mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px;line-height:1.5}
.kq-file{display:inline-flex;align-items:center;cursor:pointer}
.kq-err{display:block;color:var(--notyet);font-size:12.5px;margin-top:2px}
.kq-todo{font-size:13px;color:var(--notyet);font-weight:600}
.kq-sol{font-size:14px}

/* ---- Upload page */
.ku-drop{border:2px dashed #CFC8BC;border-radius:14px;padding:22px;text-align:center;background:#FBFAF7;display:flex;flex-direction:column;gap:10px;align-items:center}
.ku-drop.over{border-color:var(--brand);background:var(--brand-soft)}
.ku-files{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.ku-files span{background:#fff;border:1px solid var(--line);border-radius:8px;padding:4px 8px;font-size:13px}
.ku-list{display:flex;flex-direction:column;gap:8px}
.ku-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;text-decoration:none;color:var(--ink)}
.ku-row:hover{border-color:var(--brand)}
.ku-counts{display:flex;gap:6px;flex-wrap:wrap}
.ku-bar{height:8px;border-radius:99px;background:var(--soft);overflow:hidden}
.ku-bar>div{height:100%;background:var(--brand);transition:width .4s}
.ku-sticky{position:sticky;bottom:12px;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:var(--brand);color:#fff;border-radius:14px;padding:12px 16px;box-shadow:0 8px 28px rgba(18,52,59,.25)}
.ku-sticky .btn{background:#fff;color:var(--brand)}
.ku-sticky .btn:disabled{opacity:.5}
/* the bell sits inside the account switcher; undo its button look */
.top-actions .kb-btn{padding:0;min-height:44px;width:44px;color:#C9DADD;background:transparent}
.top-actions .kb-btn:hover,.top-actions .kb-btn[aria-expanded="true"]{background:rgba(255,255,255,.14);color:#fff}
.top-actions .kb-panel button{min-height:0;border-radius:0;font-size:inherit}
.top-actions .kb-panel .kb-item{color:var(--ink);background:#fff;padding:11px 14px}
.top-actions .kb-panel .kb-item.new{background:#F3F8F9}
.top-actions .kb-panel .kb-item:hover{background:#FBFAF7}
.top-actions .kb-panel .kb-head button{color:var(--brand);background:none;padding:6px;font-size:13px}

/* ---- Files: lesson notes, photos, homework sheets and solutions */
.att-links{display:inline-flex;flex-wrap:wrap;gap:6px;vertical-align:middle}
.att{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:13px;line-height:1}
.att a{display:inline-flex;align-items:center;gap:6px;padding:7px 9px;color:var(--brand);text-decoration:none;font-weight:600;min-height:32px}
.att a:hover{background:var(--soft)}
.att .ic{font-size:10px;font-weight:700;letter-spacing:.03em;color:var(--muted)}
.att-x{border:0;border-left:1px solid var(--line);background:transparent;color:var(--muted);padding:0 9px;min-height:32px;cursor:pointer}
.att-x:hover{color:var(--notyet)}
.att-drop{display:flex;flex-wrap:wrap;gap:8px;align-items:center}

/* ---- Phones: nothing may push the page wider than the screen */
@media (max-width:820px){
  .grid2,.grid3{grid-template-columns:minmax(0,1fr)}
  .grid2>*,.grid3>*,.card{min-width:0}
  .inp,select,textarea{max-width:100%;box-sizing:border-box}
  .card table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .row .v37-find,.row .v37-find input.inp{min-width:0;width:100%}
}

/* ---- Phones and tablets: the side menu becomes a row of tabs that scrolls sideways */
@media (max-width:899px){
  #p-hoca>.tabrow{margin:0 -16px 14px;padding:0 16px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  #p-hoca>.tabrow::-webkit-scrollbar{display:none}
  #htabs{flex-wrap:nowrap;gap:6px;margin:0}
  #htabs a{flex:0 0 auto;display:inline-flex;align-items:center;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:0 14px;border-radius:10px;font-weight:600;min-height:44px;text-decoration:none;white-space:nowrap}
  #htabs a.on{background:var(--brand);border-color:var(--brand);color:#fff}
  #htabs a.on .v37-the,#htabs a.on .v37-tab{color:inherit}
}
@media (max-width:600px){
  /* Marking: the question takes a line of its own, the three buttons sit under it */
  #marks .mark{flex-wrap:wrap;row-gap:8px}
  #marks .mark .q{flex:1 1 calc(100% - 110px);white-space:normal}
  #marks .mark .mb{flex:1 1 0;max-width:none}
  #marks .mark .num + .lv{order:0}
}
@media (max-width:600px){button.btn.sm,a.btn.sm,label.btn.sm{min-height:40px}}

/* Chronic topic form: the topic list fits the card however long the topic names are */
.v59-form .inp{width:100%;max-width:420px;box-sizing:border-box}
.v59-form label{min-width:0}