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16px;font-size:13px}.topics-view-body{max-height:min(60vh,420px);margin-bottom:8px;padding-right:4px;overflow-y:auto}.topics-view-lesson{margin-bottom:20px}.topics-view-lesson:last-child{margin-bottom:0}.topics-view-lesson-title{color:var(--ink);margin:0 0 8px;font-size:14px;font-weight:700}.topics-view-table{border-collapse:collapse;width:100%;font-size:13px}.topics-view-table th,.topics-view-table td{border-bottom:1px solid var(--grey-border);text-align:left;vertical-align:top;padding:8px 10px}.topics-view-table th{text-transform:uppercase;letter-spacing:.04em;color:var(--grey-text);background:var(--grey-bg);font-size:11px;font-weight:700}.topics-view-ch-en{display:block}.topics-view-ch-ar{color:var(--grey-mid);margin-top:2px;font-size:12px;display:block}.topics-tree{margin:0;padding:0;list-style:none}.topics-tree-children{border-left:2px solid var(--grey-border);margin:0 0 4px;padding:0 0 0 14px;list-style:none}.topics-tree-node{margin:0 0 2px}.topics-tree-label{margin:0 0 4px;line-height:1.35}.topics-tree-label--subject{color:var(--blue);margin-top:12px;font-family:Space Grotesk,sans-serif;font-size:15px;font-weight:800}.topics-tree-node:first-child>.topics-tree-label--subject{margin-top:0}.topics-tree-label--unit{color:var(--ink);font-size:14px;font-weight:700}.topics-tree-label--lesson{color:var(--ink);font-size:13px;font-weight:600}.topics-tree-sub{color:var(--grey-mid);margin:-2px 0 6px 2px;font-size:12px;font-weight:500}.topics-tree-chapters{border-left:1px dashed var(--grey-border);margin:0 0 10px;padding:0 0 0 12px;list-style:none}.topics-tree-leaf{border-bottom:1px solid var(--grey-border);grid-template-columns:2.5rem 1fr auto;align-items:start;gap:8px 10px;padding:5px 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14px;display:flex}.chapter-picker-toolbar-actions{justify-content:space-between}.chapter-picker-search{border:1px solid var(--grey-border);border-radius:8px;flex:220px;min-width:0;padding:8px 12px;font-size:14px}.chapter-picker-filter-toggle{color:var(--grey-text);white-space:nowrap;cursor:pointer;align-items:center;gap:8px;font-size:13px;display:inline-flex}.chapter-picker-stat{color:var(--grey-text);font-size:13px}.chapter-picker-tabs{flex-wrap:wrap;gap:8px;display:flex}.chapter-picker-tab{border:1px solid var(--grey-border);background:var(--grey-bg);cursor:pointer;text-align:left;border-radius:10px;flex-direction:column;align-items:flex-start;gap:4px;max-width:100%;padding:10px 12px;transition:border-color .15s,background .15s;display:inline-flex}.chapter-picker-tab:hover{border-color:var(--brand)}.chapter-picker-tab--on{border-color:var(--brand);background:#eff6ff}.chapter-picker-tab-label{color:var(--ink);font-size:12px;font-weight:600;line-height:1.3}.chapter-picker-tab-badge{color:var(--grey-text);background:#e2e8f0;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700}.chapter-picker-tab-badge--full{color:#166534;background:#dcfce7}.chapter-picker-panel{border:1px solid var(--grey-border);background:#fff;border-radius:12px;overflow:hidden}.chapter-picker-panel-head{background:var(--grey-bg);border-bottom:1px solid var(--grey-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 12px;padding:12px 14px;display:flex}.chapter-picker-panel-title{color:var(--ink);flex:200px;margin:0;font-size:13px;font-weight:600}.chapter-picker-units{max-height:min(52vh,520px);overflow-y:auto}.chapter-picker-unit+.chapter-picker-unit{border-top:1px solid var(--grey-border)}.chapter-picker-unit-toggle{cursor:pointer;text-align:left;width:100%;font:inherit;background:0 0;border:none;align-items:center;gap:8px;padding:12px 14px;display:flex}.chapter-picker-unit-toggle:hover{background:#f8fafc}.chapter-picker-unit-chevron{width:14px;color:var(--grey-mid);flex-shrink:0}.chapter-picker-unit-name{color:var(--ink);flex:1;font-size:13px;font-weight:700}.chapter-picker-unit-stat{color:var(--grey-text);background:#e2e8f0;border-radius:999px;padding:2px 8px;font-size:12px;font-weight:600}.chapter-picker-unit-body{padding:0 14px 14px}.chapter-picker-unit-actions{gap:12px;margin-bottom:10px;padding-top:4px;display:flex}.chapter-picker-lesson{border-top:1px dashed var(--grey-border);margin-top:12px;padding-top:12px}.chapter-picker-lesson:first-child{border-top:none;margin-top:0;padding-top:0}.chapter-picker-lesson-head{flex-wrap:wrap;align-items:center;gap:6px 10px;margin-bottom:8px;display:flex}.chapter-picker-lesson-name{color:var(--ink);flex:140px;font-size:12px;font-weight:600}.chapter-picker-lesson-stat{color:var(--grey-mid);font-size:11px}.chapter-chip-grid{flex-wrap:wrap;gap:6px;display:flex}.chapter-chip{border:1px solid var(--grey-border);cursor:pointer;text-align:left;background:#fff;border-radius:8px;align-items:center;gap:6px;max-width:100%;padding:6px 10px;font-size:12px;line-height:1.3;transition:border-color .12s,background .12s;display:inline-flex}.chapter-chip:hover{border-color:var(--brand)}.chapter-chip--on{border-color:var(--brand);background:#eff6ff}.chapter-chip-check{width:14px;color:var(--brand);flex-shrink:0;font-size:11px;font-weight:700}.chapter-chip-text{color:var(--ink);font-weight:500}.chapter-chip-meta,.chapter-chip-order{color:var(--grey-mid);font-size:10px}.chapter-picker-search-results{padding:4px 0}.chapter-mapping-grid{grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);align-items:start;gap:18px;margin-top:18px;display:grid}.chapter-name-editor{border:1px solid var(--grey-border);background:#fff;border-radius:12px;padding:14px}.chapter-name-editor h4{color:var(--ink);margin:0 0 8px;font-size:15px}.chapter-name-list{gap:12px;max-height:min(62vh,680px);padding-right:4px;display:grid;overflow-y:auto}.chapter-name-row{border:1px solid var(--grey-border);background:var(--grey-bg);border-radius:8px;gap:8px;padding:12px;display:grid}.chapter-name-source{color:var(--ink);margin:0;font-size:12px;font-weight:700}@media (width<=1100px){.chapter-mapping-grid{grid-template-columns:1fr}}