:root{--bg:#f7f4ef;--panel:#fffdf8;--text:#1e293b;--muted:#64748b;--line:#e7dccb;--accent:#7c3aed;--accent2:#0f766e;--danger:#b91c1c;--shadow:0 18px 45px rgba(30,41,59,.08)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#fff7ed,transparent 32rem),var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.55}.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:rgba(255,253,248,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand{font-weight:800;color:var(--text);text-decoration:none}.topbar nav{display:flex;gap:14px}.topbar nav a{color:var(--muted);text-decoration:none;font-weight:650}.shell{max-width:1160px;margin:0 auto;padding:28px 18px}.hero{padding:54px 0}.hero h1{font-size:clamp(2rem,4vw,4rem);line-height:1.05;max-width:880px;margin:0 0 18px}.hero p{max-width:760px;color:var(--muted);font-size:1.08rem}.kicker{color:var(--accent2);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.card{background:rgba(255,253,248,.92);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}.grid{display:grid;gap:18px}.grid.three{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid.four{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.list{display:grid;gap:16px}.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font-weight:800;padding:10px 16px;cursor:pointer}.btn.secondary{background:#e2e8f0;color:#0f172a}.meta{color:var(--muted);font-size:.92rem}.stem{font-size:1.08rem;margin:20px 0;white-space:normal}.options{display:grid;gap:10px;margin:18px 0}.option{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#fff}.form{display:grid;gap:14px}.form label{display:grid;gap:6px;font-weight:700}.form input,.form textarea,.form select,form input{width:100%;border:1px solid var(--line);border-radius:14px;padding:11px 12px;background:#fff;color:var(--text);font:inherit}.concept-row{padding:12px 0;border-top:1px solid var(--line)}.concept-row:first-of-type{border-top:0}.links{float:right;display:inline-flex;gap:10px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-size:.88rem;text-transform:uppercase;letter-spacing:.04em}.stat strong{display:block;font-size:2rem}.stat span{color:var(--muted)}.action{text-decoration:none;color:inherit;transition:.16s transform}.action:hover{transform:translateY(-2px)}code{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:8px;padding:2px 6px}.footer{color:var(--muted);text-align:center;padding:28px}
@media(max-width:640px){.topbar{align-items:flex-start;gap:10px;flex-direction:column}.topbar nav{flex-wrap:wrap}.links{float:none;margin-left:8px}.shell{padding:18px 12px}}
.narrow{max-width:560px;margin:36px auto}.alert{border-radius:14px;padding:12px 14px;font-weight:700}.alert.danger{background:#fee2e2;color:#7f1d1d;border:1px solid #fecaca}.alert.success{background:#dcfce7;color:#14532d;border:1px solid #bbf7d0}

/* v1A-1: richer question creator */
.wide-card { max-width: 1120px; }
.form-grid { display: grid; gap: 16px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.subcard { border: 1px solid #eadfce; border-radius: 18px; padding: 18px; margin: 18px 0; background: rgba(255,255,255,0.55); }
.subcard h2 { margin-top: 0; }
.muted { color: #64748b; }
.hint-box { border: 1px dashed #d6c8b8; background: #fffaf3; border-radius: 14px; padding: 12px 14px; color: #475569; }
.option-editor { display: grid; gap: 12px; }
.option-edit-row { display: grid; grid-template-columns: 110px 90px 1fr; gap: 12px; align-items: end; }
.correct-box { display: flex; align-items: center; gap: 8px; margin: 0; }
.option-key { margin: 0; }
.pearl { background: #f8fafc; border-left: 4px solid #94a3b8; padding: 12px 14px; border-radius: 10px; }
@media (max-width: 760px) {
  .form-grid.two, .form-grid.three { grid-template-columns: 1fr; }
  .option-edit-row { grid-template-columns: 1fr; }
}

/* v1A-1b: student submit + answer reveal */
.result-box { border-radius: 18px; padding: 16px 18px; margin: 18px 0; border: 1px solid var(--line); }
.result-box h2 { margin-top: 0; }
.result-correct { background: #ecfdf5; border-color: #bbf7d0; color: #14532d; }
.result-wrong { background: #fff7ed; border-color: #fed7aa; color: #7c2d12; }
.option input { width: auto; margin-right: 10px; }
.option-correct { border-color: #86efac; background: #f0fdf4; }
.option-wrong { border-color: #fecaca; background: #fef2f2; }
.badge { display: inline-flex; margin-left: 10px; padding: 2px 8px; border-radius: 999px; font-size: .78rem; font-weight: 800; }
.badge.good { background: #dcfce7; color: #166534; }
.badge.bad { background: #fee2e2; color: #991b1b; }
.muted-card { background: rgba(248,250,252,.75); color: var(--muted); }

/* v1A-1c: admin question review + completeness validator */
.page-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.page-title-row h1{margin:.15rem 0}.review-stats{margin:18px 0}.issue-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.issue-tile{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff}.issue-tile strong{display:block;font-size:1.5rem}.issue-tile span{color:var(--muted)}.issue-tile.open{border-color:#fed7aa;background:#fff7ed}.issue-tile.ok{border-color:#bbf7d0;background:#f0fdf4}.filter-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;align-items:end}.filter-form label{display:grid;gap:6px;font-weight:750}.filter-actions{display:flex;gap:10px;align-items:center}.review-table td{min-width:130px}.review-table td:first-child{min-width:280px}.pill{display:inline-flex;align-items:center;border-radius:999px;padding:3px 9px;font-weight:800;font-size:.78rem;margin:0 4px 6px 0;background:#e2e8f0;color:#334155}.pill.soft{background:#f1f5f9;color:#475569}.status-published{background:#dcfce7;color:#166534}.status-draft{background:#fef3c7;color:#92400e}.status-review{background:#dbeafe;color:#1d4ed8}.status-archived{background:#e5e7eb;color:#374151}.mini-counts{display:grid;gap:5px}.mini-counts span{display:block}.badge-list{display:flex;flex-wrap:wrap;gap:6px}.issue-badge{display:inline-flex;border-radius:999px;padding:4px 8px;font-size:.76rem;font-weight:800}.issue-badge.good{background:#dcfce7;color:#166534}.issue-badge.warn{background:#fef3c7;color:#92400e}.issue-badge.bad{background:#fee2e2;color:#991b1b}.row-actions{display:flex;gap:8px;flex-wrap:wrap}.btn.small{padding:7px 10px;font-size:.86rem}
@media(max-width:760px){.page-title-row{display:block}.filter-actions{grid-column:1/-1}.review-table td:first-child{min-width:220px}}

/* v1A-1d: live concept search resolver */
.concept-picker{display:grid;gap:10px;margin:12px 0}.concept-results{display:grid;gap:8px;max-height:380px;overflow:auto}.concept-result{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px;text-align:left;cursor:pointer;color:inherit}.concept-result:hover{border-color:#c4b5fd;background:#faf5ff}.concept-mini-links{font-size:.84rem;white-space:nowrap}.concept-empty{padding:12px;border:1px dashed var(--line);border-radius:14px;color:var(--muted);background:#fffaf3}.danger-text{color:var(--danger)}.concept-preview{line-height:1.7}.concept-attach-form{margin-top:16px}.attach-primary{align-self:end;padding-bottom:10px}.inline-attach-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:12px}.concept-row-card h2{margin-bottom:4px}
@media(max-width:760px){.concept-result{display:block}.concept-mini-links{display:block;margin-top:8px;white-space:normal}.inline-attach-form{display:grid;align-items:stretch}}

/* v1A-1e: question edit page + review actions */
.existing-concepts{margin-top:14px}.existing-concepts h3{margin:.4rem 0}.concept-chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;background:#f1f5f9;color:#334155;padding:5px 9px;font-size:.82rem;font-weight:750}.concept-chip.primary{background:#ede9fe;color:#5b21b6}.row-actions .btn{white-space:nowrap}

/* v1A-1f: topic manager + subject/topic assignment polish */
.topic-table td:first-child{min-width:300px}.topic-table code{word-break:break-word}.topic-select-hint{font-size:.86rem;color:var(--muted)}

/* v1A-1g: question import preview */
.import-table td:nth-child(2){min-width:320px}.import-table td:nth-child(6){min-width:260px}.btn[disabled]{opacity:.55;cursor:not-allowed}.alert{white-space:pre-wrap}.template-note{font-size:.9rem;color:var(--muted)}

/* v1A-1h: bulk concept mapping workbench */
.concept-workbench-list{gap:20px}.workbench-card{scroll-margin-top:90px}.workbench-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.workbench-head h2{margin:.15rem 0}.workbench-stem{border:1px solid var(--line);border-radius:16px;background:#fff;padding:14px 16px}.workbench-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;margin:12px 0}.option-correct-soft{border-color:#bbf7d0;background:#f7fee7}.workbench-current{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 0;padding:12px 14px;border-radius:16px;background:#f8fafc;border:1px solid #e2e8f0}.workbench-map-box{margin-top:14px;border:1px solid var(--line);border-radius:18px;padding:14px;background:#fffaf3}.workbench-map-box summary{font-weight:850;cursor:pointer}.concept-workbench-form{align-self:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}.concept-chip{max-width:100%;white-space:normal}.workbench-card .concept-results{max-height:300px}.workbench-card .hint-box{min-height:88px}.workbench-card .option input{width:auto}.workbench-card .badge{vertical-align:middle}
@media(max-width:760px){.workbench-head{display:block}.workbench-options{grid-template-columns:1fr}.workbench-current{display:grid}.workbench-card .row-actions{margin-top:10px}}

/* v1A-1i concept mapping suggestions */
.suggestion-box {
  border: 1px solid var(--border, #e5ddcf);
  border-radius: 18px;
  padding: 1rem;
  margin: 1rem 0;
  background: rgba(255,255,255,.65);
}
.suggestion-head,
.suggestion-item,
.suggestion-actions {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
}
.suggestion-head {
  justify-content: space-between;
  align-items: center;
  margin-bottom: .8rem;
}
.suggestion-results {
  display: grid;
  gap: .75rem;
}
.suggestion-item {
  justify-content: space-between;
  border: 1px dashed var(--border, #e5ddcf);
  border-radius: 14px;
  padding: .8rem;
  background: #fff;
}
.suggestion-main {
  display: grid;
  gap: .25rem;
}
.suggestion-main code {
  width: fit-content;
}
.suggestion-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  min-width: 320px;
}
.inline-suggestion-form {
  display: inline-block;
  margin: 0;
}
.compact {
  margin: .1rem 0;
}
.notice.success {
  border: 1px solid #bfe6cb;
  background: #f0fff4;
  color: #14532d;
  border-radius: 16px;
  padding: .9rem 1rem;
  margin: 1rem auto;
  max-width: 1180px;
}
@media (max-width: 900px) {
  .suggestion-item,
  .suggestion-head {
    display: block;
  }
  .suggestion-actions {
    justify-content: flex-start;
    min-width: 0;
    margin-top: .75rem;
  }
}

/* v1A-1i.1 visible bulk apply panel */
.bulk-apply-panel {
  border-left: 5px solid #7c3aed;
}
.confirm-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px dashed var(--border, #e5dccf);
  border-radius: 18px;
  background: rgba(124, 58, 237, 0.04);
}
.btn.danger {
  background: #b42318;
  color: #fff;
}
.btn.danger:hover {
  filter: brightness(0.95);
}


/* v1A-1j: import dashboard + batch statistics */
.readiness-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:14px}.readiness-tile{display:grid;gap:4px;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff}.readiness-tile strong{font-size:1.3rem}.readiness-tile span{color:var(--muted);font-weight:750}.readiness-tile.ok{border-color:#bbf7d0;background:#f0fdf4}.readiness-tile.missing{border-color:#fed7aa;background:#fff7ed}.two-dashboard{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start}.import-dashboard-table td,.import-dashboard-table th{white-space:nowrap}.import-dashboard-table td:first-child{white-space:normal}.compact-table td,.compact-table th{padding:10px}.compact-table .row-actions{min-width:80px}
@media(max-width:980px){.two-dashboard{grid-template-columns:1fr}.import-dashboard-table td,.import-dashboard-table th{white-space:normal}}

/* v1B — Hindi translation layer */
.language-toggle {
  display: flex;
  gap: .6rem;
  margin: 1rem 0;
  flex-wrap: wrap;
}
.language-toggle a {
  border: 1px solid var(--border, #e8dccb);
  border-radius: 999px;
  padding: .45rem .8rem;
  text-decoration: none;
  background: #fff;
  color: inherit;
  font-weight: 700;
}
.language-toggle a.active {
  background: #7c3aed;
  color: #fff;
  border-color: #7c3aed;
}
.devanagari {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans Devanagari", "Mangal", sans-serif;
  line-height: 1.9;
}
.table-wrap { overflow-x: auto; }
.small-text { max-width: 520px; }
.split-editor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(0,0,0,.08);
}
.split-editor.compact {
  align-items: start;
}
.split-editor textarea {
  width: 100%;
  min-height: 84px;
}
@media (max-width: 800px) {
  .split-editor { grid-template-columns: 1fr; }
}

/* v1B-1 public browser polish */
.public-hero h1 { max-width: 980px; }
.hero-actions, .card-actions, .filter-actions, .question-nav, .question-bottom-nav { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.stat-grid .stat-card strong { display: block; font-size: 2rem; letter-spacing: .04em; }
.stat-grid .stat-card span { color: var(--muted, #607085); }
.page-intro .kicker, .public-hero .kicker { text-transform: uppercase; letter-spacing: .22em; font-weight: 800; color: #087f6f; }
.subject-card h2, .year-card h2, .topic-row h2 { margin-bottom: .35rem; }
.ready-card { border-color: #b8ecd8; background: linear-gradient(180deg, #fbfffd, #ffffff); }
.mini-stats { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }
.mini-stats span { background: #f1f5f9; border-radius: 999px; padding: .35rem .65rem; color: #526174; font-size: .95rem; }
.mini-stats strong { color: #0f172a; }
.mini-stats.inline { justify-content: flex-start; margin: .25rem 0; }
.filter-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; align-items: end; }
.filter-grid label, .filter-bar label { font-weight: 800; color: #0f172a; }
.filter-grid input, .filter-grid select, .filter-bar select { margin-top: .4rem; width: 100%; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: end; margin-top: 1rem; }
.browser-summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.question-row, .topic-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; }
.question-row h2 { margin: .25rem 0; }
.badge-line { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .8rem; }
.badge.neutral { background: #e8eef6; color: #334155; }
.badge.warn { background: #fff4cc; color: #7a4b00; }
.btn.ghost { background: #f1f5f9; color: #0f172a; }
.pager { display: flex; justify-content: center; gap: 1rem; align-items: center; }
.question-nav { margin: .75rem 0 1rem; }
.language-toggle { margin: 1rem 0; }
.language-toggle a { display: inline-block; padding: .45rem .75rem; border-radius: 999px; background: #eef2f7; margin-right: .5rem; text-decoration: none; }
.language-toggle a.active { background: #7c3aed; color: white; }
.question-bottom-nav { justify-content: space-between; }
@media (max-width: 900px) {
  .filter-grid { grid-template-columns: 1fr; }
  .question-row, .topic-row { grid-template-columns: 1fr; }
  .browser-summary { display: block; }
}

/* v1B-2: bulk concept mapping import */
.notice.danger{border:1px solid #fecaca;background:#fff1f2;color:#7f1d1d;border-radius:16px;padding:.9rem 1rem;margin:1rem auto;max-width:1180px}.row-danger{background:#fff1f2}.stat-card{background:rgba(255,253,248,.92);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow)}.stat-card strong{display:block;font-size:1.7rem}.stat-card span{color:var(--muted);font-weight:750}

.field-picker {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px dashed var(--line, #ddd2c3);
  border-radius: 18px;
  background: rgba(255,255,255,0.55);
}
.field-picker summary {
  cursor: pointer;
  font-weight: 800;
}
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .5rem .9rem;
  margin-top: .9rem;
}
.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .92rem;
}
.compact-table td, .compact-table th {
  vertical-align: top;
}


/* v1B-3a: compact export workbench + admin CSS unification */
.export-workbench-card {
  padding-bottom: 0;
}
.compact-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .85rem;
}
.compact-section-head h2 {
  margin-bottom: .2rem;
}
.compact-muted {
  margin: 0;
}
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #eef2f7;
  color: #334155;
  padding: .42rem .72rem;
  font-weight: 800;
  white-space: nowrap;
}
.compact-export-form label {
  font-size: .92rem;
  font-weight: 850;
}
.compact-export-form input,
.compact-export-form select {
  min-height: 44px;
  padding: .62rem .8rem;
  font-size: .96rem;
}
.export-filter-grid {
  display: grid;
  gap: .85rem;
  align-items: end;
  margin-bottom: .85rem;
}
.export-filter-grid.primary-filters {
  grid-template-columns: minmax(260px, 1.4fr) minmax(120px, .5fr) minmax(150px, .7fr) minmax(120px, .55fr);
}
.export-filter-grid.secondary-filters {
  grid-template-columns: minmax(180px, .8fr) minmax(190px, .8fr) minmax(190px, .8fr) minmax(190px, .8fr);
}
.export-filter-grid.advanced-filters {
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  margin: .9rem 0 0;
}
.advanced-filter-panel {
  border: 1px solid rgba(148, 163, 184, .28);
  border-radius: 16px;
  padding: .75rem .9rem;
  background: rgba(255,255,255,.45);
  margin: .55rem 0 .95rem;
}
.advanced-filter-panel summary,
.compact-field-picker summary {
  cursor: pointer;
  font-weight: 900;
  color: #0f172a;
}
.compact-field-picker {
  padding: 0;
  overflow: hidden;
}
.compact-field-picker summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1rem;
  background: rgba(124,58,237,.06);
  border-bottom: 1px solid rgba(124,58,237,.12);
}
.compact-field-picker summary small {
  color: #6b7280;
  font-weight: 850;
}
.field-group-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
  padding: 1rem;
}
.field-group-card {
  border: 1px solid rgba(148, 163, 184, .35);
  border-radius: 16px;
  padding: .85rem;
  background: #fff;
  min-width: 0;
}
.field-group-card legend {
  padding: 0 .35rem;
  font-weight: 950;
  color: #0f172a;
  letter-spacing: .02em;
}
.field-group-actions {
  display: flex;
  gap: .4rem;
  margin: .15rem 0 .65rem;
}
.mini-btn {
  border: 1px solid rgba(148, 163, 184, .45);
  background: #f8fafc;
  border-radius: 999px;
  padding: .25rem .55rem;
  font-size: .78rem;
  font-weight: 850;
  cursor: pointer;
}
.mini-btn:hover {
  background: #eef2ff;
}
.field-chip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .38rem .55rem;
}
.field-chip {
  display: flex;
  align-items: center;
  gap: .42rem;
  border: 1px solid rgba(226, 232, 240, .9);
  border-radius: 12px;
  padding: .38rem .48rem;
  background: #fbfdff;
  font-size: .86rem;
  line-height: 1.25;
  min-height: 34px;
}
.field-chip input {
  width: 15px;
  height: 15px;
  min-height: 0;
  margin: 0;
  flex: 0 0 auto;
}
.field-chip span {
  overflow-wrap: anywhere;
}
.export-action-bar {
  position: sticky;
  bottom: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1rem -1.25rem 0;
  padding: .9rem 1.25rem;
  border-top: 1px solid rgba(148, 163, 184, .25);
  background: rgba(255, 253, 248, .96);
  backdrop-filter: blur(8px);
  border-radius: 0 0 20px 20px;
}
.tiny-text {
  font-size: .82rem;
  margin-top: .12rem;
}
.compact-actions {
  margin: 0;
  flex-wrap: nowrap;
}
.compact-table th,
.compact-table td {
  font-size: .88rem;
  padding: .55rem .65rem;
}
@media (max-width: 1100px) {
  .export-filter-grid.primary-filters,
  .export-filter-grid.secondary-filters,
  .export-filter-grid.advanced-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .field-group-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 700px) {
  .compact-section-head,
  .export-action-bar {
    display: block;
  }
  .export-filter-grid.primary-filters,
  .export-filter-grid.secondary-filters,
  .export-filter-grid.advanced-filters,
  .field-chip-grid {
    grid-template-columns: 1fr;
  }
  .compact-actions {
    flex-wrap: wrap;
    margin-top: .7rem;
  }
}

/* v1B-3b: bulk update import workbench */
.inline-confirm {
  display: inline-grid;
  grid-template-columns: auto minmax(120px, 160px);
  gap: .5rem;
  align-items: center;
  font-weight: 800;
}
.inline-confirm input {
  width: 150px;
  margin: 0;
}
.update-preview-table td:nth-child(3) {
  min-width: 520px;
}
.update-change {
  border: 1px solid #e5dccf;
  border-radius: 12px;
  padding: .55rem .65rem;
  margin: .35rem 0;
  background: #fff;
}
.update-change.will-update {
  border-color: #bbf7d0;
  background: #f0fdf4;
}
.update-change.will-skip {
  background: #f8fafc;
  color: #64748b;
}
.mini-diff {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  margin-top: .35rem;
  font-size: .86rem;
}
.mini-diff span {
  display: block;
  padding: .35rem .45rem;
  border-radius: 10px;
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(226,232,240,.9);
  word-break: break-word;
}
@media(max-width:760px){
  .inline-confirm { grid-template-columns: 1fr; }
  .mini-diff { grid-template-columns: 1fr; }
  .update-preview-table td:nth-child(3) { min-width: 320px; }
}

/* v1B-3c: bulk status + visibility updater */
.status-bulk-form .subcard{margin-top:1rem}.status-filter-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.status-target-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.compact-list{margin:0;padding-left:1.25rem}.compact-list li{margin:.45rem 0}.status-bulk-form .confirm-strip{align-items:center}.status-bulk-form .btn[disabled]{opacity:.55;cursor:not-allowed}.status-published{background:#dcfce7;color:#166534}.status-draft{background:#fef3c7;color:#92400e}.status-review{background:#dbeafe;color:#1d4ed8}.status-archived{background:#e5e7eb;color:#374151}
@media(max-width:980px){.status-filter-grid,.status-target-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.status-filter-grid,.status-target-grid{grid-template-columns:1fr}}

/* v1B-5: canonical topic browser + topic detail */
.topic-browser-hero .filter-bar { margin-top: 1rem; }
.topic-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.canonical-topic-grid { align-items: stretch; }
.canonical-topic-card { display: flex; flex-direction: column; gap: .75rem; }
.topic-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: .8rem; }
.topic-card-head h2 { margin: .15rem 0 0; }
.topic-card-head h2 a { color: inherit; text-decoration: none; }
.topic-card-head h2 a:hover { text-decoration: underline; }
.topic-mini-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; }
.topic-mini-stats span { border: 1px solid var(--line); border-radius: 14px; padding: .65rem .75rem; background: rgba(255,255,255,.62); }
.topic-detail-hero .row-actions { align-self: flex-start; }
.topic-breadcrumb { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; color: var(--muted); }
.topic-breadcrumb a { color: var(--accent2); text-decoration: none; font-weight: 800; }
.topic-breadcrumb a:hover { text-decoration: underline; }
.topic-stat-grid { margin-bottom: 1rem; }
.topic-action-strip { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.topic-layout-grid { align-items: start; margin-top: 1rem; }
.qbank-topic-map-placeholder { min-height: 360px; }
.map-placeholder-box { min-height: 240px; border: 1px dashed #cbd5e1; border-radius: 22px; background: radial-gradient(circle at center, #fff7ed 0, #fff 58%); display: grid; place-items: center; padding: 1rem; }
.map-placeholder-root { border: 2px solid #fed7aa; background: #fff7ed; border-radius: 999px; padding: .8rem 1.1rem; font-weight: 900; box-shadow: 0 10px 26px rgba(15,23,42,.08); }
.map-placeholder-branches { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; margin-top: 1rem; max-width: 520px; }
.map-placeholder-branches span { border: 1px solid var(--line); border-radius: 999px; padding: .45rem .7rem; background: #fff; color: #475569; font-weight: 750; }
.topic-chip-list { display: flex; flex-wrap: wrap; gap: .65rem; }
.topic-chip { display: inline-flex; gap: .45rem; align-items: center; border: 1px solid var(--line); background: #fff; color: inherit; text-decoration: none; border-radius: 999px; padding: .55rem .8rem; font-weight: 800; }
.topic-chip:hover { border-color: #fdba74; transform: translateY(-1px); }
.topic-chip span { color: var(--muted); font-weight: 700; }
.compact-table-wrap { overflow-x: auto; }
.compact-concepts { display: grid; gap: .6rem; }
.topic-concept-chip { display: grid; grid-template-columns: minmax(0, 1fr) auto auto auto; align-items: center; gap: .55rem; border-radius: 14px; }
.topic-concept-chip strong { overflow-wrap: anywhere; }
.topic-concept-chip a { color: var(--accent2); font-weight: 850; text-decoration: none; }
.topic-question-preview { display: grid; gap: .65rem; }
.question-preview-row { display: grid; gap: .2rem; color: inherit; text-decoration: none; border: 1px solid var(--line); border-radius: 14px; padding: .75rem .85rem; background: #fff; }
.question-preview-row:hover { border-color: #fdba74; background: #fffaf3; }
.question-preview-row span { color: var(--muted); }
.page-title-row.compact h2 { margin: 0; }
@media(max-width: 860px) {
  .topic-toolbar, .topic-action-strip { display: grid; }
  .topic-mini-stats { grid-template-columns: 1fr; }
  .topic-concept-chip { grid-template-columns: 1fr; align-items: start; }
}

/* v1B-7: topic mind map viewer */
.qbank-topic-map-card { min-height: 560px; overflow: hidden; }
.topic-map-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: .8rem; }
.topic-map-head h2 { margin: .1rem 0 .2rem; }
.topic-map-source-pill { white-space: nowrap; border: 1px solid #fed7aa; background: #fff7ed; color: #9a3412; border-radius: 999px; padding: .42rem .7rem; font-weight: 850; font-size: .84rem; }
.topic-map-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; margin: .75rem 0; }
.topic-map-toolbar input[type="search"] { flex: 1 1 220px; min-width: 180px; border: 1px solid var(--line); border-radius: 999px; padding: .66rem .85rem; background: #fff; font: inherit; }
.btn.small { padding: .5rem .7rem; font-size: .86rem; }
.topic-map-search-results { display: flex; flex-wrap: wrap; gap: .4rem; min-height: 0; margin: .35rem 0; }
.topic-map-search-results button, .topic-map-search-results span { border: 1px solid var(--line); border-radius: 999px; padding: .38rem .65rem; background: #fff; color: #475569; font-weight: 750; font-size: .86rem; }
.topic-map-search-results button { cursor: pointer; }
.topic-map-search-results button:hover { border-color: #fdba74; background: #fff7ed; color: #9a3412; }
.topic-map-status { border-radius: 14px; padding: .55rem .75rem; margin: .55rem 0 .75rem; background: #f8fafc; color: #475569; border: 1px solid var(--line); font-size: .9rem; }
.topic-map-status.ok { background: #ecfdf5; color: #166534; border-color: #bbf7d0; }
.topic-map-status.warning { background: #fffbeb; color: #92400e; border-color: #fde68a; }
.topic-map-status.error { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.topic-map-viewer-shell { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: .8rem; align-items: stretch; }
.qbank-jsmind { min-height: 470px; border: 1px solid var(--line); border-radius: 22px; background: radial-gradient(circle at 50% 25%, #fff7ed 0, #ffffff 44%, #f8fafc 100%); overflow: hidden; position: relative; }
.qbank-jsmind jmnode { border-radius: 999px; border: 1px solid #fed7aa; box-shadow: 0 8px 20px rgba(15,23,42,.08); font-family: inherit; font-weight: 850; }
.qbank-jsmind jmnode.selected { background: #9a3412; color: #fff; border-color: #9a3412; box-shadow: 0 12px 28px rgba(154,52,18,.22); }
.topic-map-detail { border: 1px solid var(--line); border-radius: 22px; background: #fff; padding: 1rem; min-height: 470px; overflow: auto; }
.topic-map-detail h3 { margin: .1rem 0 .55rem; }
.topic-map-badges { display: flex; flex-wrap: wrap; gap: .45rem; margin: .45rem 0 .8rem; }
.topic-map-badge { border: 1px solid #e2e8f0; background: #f8fafc; color: #475569; border-radius: 999px; padding: .32rem .55rem; font-size: .84rem; }
.topic-map-badge strong { color: #0f172a; }
.topic-map-node-meta { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: .35rem .65rem; margin: .8rem 0; font-size: .9rem; }
.topic-map-node-meta dt { color: var(--muted); font-weight: 850; }
.topic-map-node-meta dd { margin: 0; overflow-wrap: anywhere; }
.topic-map-detail-actions { margin-top: .8rem; justify-content: flex-start; }
.topic-map-fallback-tree { padding: 1rem; overflow: auto; height: 100%; }
.topic-map-fallback-tree ul { margin: .4rem 0 .4rem 1rem; padding-left: 1rem; border-left: 1px dashed #cbd5e1; }
.topic-map-fallback-tree li { margin: .35rem 0; }
.topic-map-fallback-tree button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: .4rem .65rem; font-weight: 800; cursor: pointer; }
.topic-map-fallback-tree button:hover { background: #fff7ed; border-color: #fdba74; }
@media(max-width: 1080px) { .topic-map-viewer-shell { grid-template-columns: 1fr; } .topic-map-detail { min-height: 260px; } }
@media(max-width: 720px) { .topic-map-head { display: grid; } .topic-map-source-pill { width: fit-content; } .qbank-jsmind { min-height: 380px; } }

/* v1B-8 topic map admin */
.editor-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}
.editor-split textarea {
  min-height: 24rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .9rem;
}
.help-box {
  border: 1px solid rgba(15, 23, 42, .12);
  border-radius: 14px;
  padding: .8rem 1rem;
  background: rgba(248, 250, 252, .82);
}
.help-box summary {
  cursor: pointer;
  font-weight: 700;
}
.notice {
  max-width: 1180px;
  margin: 1rem auto;
  border-radius: 14px;
  padding: .8rem 1rem;
  border: 1px solid rgba(15, 23, 42, .12);
}
.notice.success { background: #ecfdf5; }
.notice.error, .danger-card { background: #fff1f2; }
.table-wrap { overflow-x: auto; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
}
.admin-table th,
.admin-table td {
  text-align: left;
  vertical-align: top;
  padding: .75rem;
  border-bottom: 1px solid rgba(15, 23, 42, .1);
}
.row-actions {
  white-space: nowrap;
}
.btn.tiny {
  font-size: .78rem;
  padding: .35rem .55rem;
  margin-right: .25rem;
}
.pill.draft { background: #fef3c7; }
.pill.published { background: #dcfce7; }
.pill.archived { background: #e5e7eb; }
@media (max-width: 860px) {
  .editor-split { grid-template-columns: 1fr; }
}

/* v1B-9 weakness filters */
.active-filter-card {
  border-color: #fed7aa;
  background: linear-gradient(135deg, #fff7ed 0%, #ffffff 66%);
}
.active-filter-card h2 {
  margin-top: .1rem;
  overflow-wrap: anywhere;
}

/* v1B-10 curriculum practice sets */
.set-grid .set-card h2 { margin-top: .25rem; }
.admin-form textarea { width: 100%; font-family: inherit; }
.form-grid.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.notice { padding: .75rem 1rem; border-radius: 12px; margin: .75rem 0; }
.notice.good { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.notice.bad { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.locked-card { border-style: dashed; }
@media (max-width: 760px) { .form-grid.two { grid-template-columns: 1fr; } }

/* v1B-11 map-node question linker */
.compact-dl{display:grid;grid-template-columns:minmax(120px,180px) 1fr;gap:.35rem .75rem;margin:1rem 0}.compact-dl dt{font-weight:700;color:#475569}.compact-dl dd{margin:0;color:#0f172a}.inline-form{display:inline}.btn.danger,.btn.tiny.danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}.soft-row{background:#f8fafc;opacity:.82}.check-row{display:flex;align-items:center;gap:.45rem;min-height:42px}.check-row input{width:auto}.btn-row{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:flex-end}.page-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.row-actions form{margin:0}@media(max-width:760px){.page-title-row{display:block}.compact-dl{grid-template-columns:1fr}.btn-row{justify-content:flex-start;margin-top:1rem}}

/* v1B-12 Curriculum Browser */
.curriculum-hero { position: relative; overflow: hidden; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1rem; }
.slim-card { padding: .8rem 1rem; }
.curriculum-breadcrumb { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; font-size: .95rem; }
.curriculum-stats .stat-card { text-align: center; }
.stat-card strong { display: block; font-size: 1.9rem; line-height: 1; }
.stat-card span { color: var(--muted); font-size: .9rem; }
.curriculum-stage-card h2,
.curriculum-subject-card h2,
.curriculum-set-grid h3 { margin-top: .15rem; }
.curriculum-subject-chips { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1rem 0; }
.curriculum-subject-chips a { border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: .38rem .65rem; text-decoration: none; font-size: .9rem; }
.curriculum-subject-actions { margin-top: 1rem; }
.curriculum-section-head { margin-top: 1.2rem; }
.curriculum-section-head h2 { margin-bottom: .25rem; }
.curriculum-topic-bucket { margin-top: 1rem; }
.compact-topic-list { display: grid; gap: .65rem; }
.topic-row { display: flex; justify-content: space-between; gap: 1rem; border: 1px solid var(--line); border-radius: 16px; padding: .85rem; background: rgba(255,255,255,.55); }
.topic-row h3 { margin: 0 0 .25rem; font-size: 1rem; }
.row-actions { display: flex; flex-wrap: wrap; align-content: center; justify-content: flex-end; gap: .45rem; min-width: 170px; }
.btn.small { padding: .42rem .65rem; font-size: .86rem; }
@media (max-width: 760px) {
  .topic-row { display: block; }
  .row-actions { justify-content: flex-start; margin-top: .7rem; }
}

/* v1B-13 question creator curriculum integration */
.q-create-form select[multiple] {
  min-height: 9rem;
  padding: .55rem;
  line-height: 1.45;
}
.q-create-form select[multiple] option {
  padding: .28rem .35rem;
}
.small-note {
  font-size: .86rem;
}
.curriculum-context-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .75rem 0 0;
}
.curriculum-context-strip .pill {
  border: 1px solid var(--border, #dbe3ef);
  border-radius: 999px;
  padding: .35rem .65rem;
  background: var(--soft, #f7f9fc);
  font-size: .86rem;
}