.notes-shell{--cbt-content: 900px}.notes-heading{margin-bottom:26px}.note-filters{display:flex;gap:8px;margin:0 0 20px;overflow-x:auto;scrollbar-width:none}.note-filters::-webkit-scrollbar{display:none}.note-filters button{min-height:44px;flex:0 0 auto;padding:0 14px;border:1px solid var(--cbt-line);border-radius:var(--cbt-radius-full);background:var(--cbt-surface);color:var(--cbt-muted);font:inherit;font-size:13px;font-weight:680;cursor:pointer}.note-filters button[aria-pressed=true]{border-color:var(--cbt-ink);background:var(--cbt-ink);color:#fff}.note-filters button:focus-visible{outline:3px solid var(--cbt-focus);outline-offset:2px}.note-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-block:1px solid var(--cbt-line)}.note-create{display:inline-flex;min-height:48px;align-items:center;gap:8px;padding:0 16px;border:1px solid var(--cbt-line);border-radius:var(--cbt-radius-md);background:var(--cbt-surface);color:var(--cbt-ink);font:inherit;font-size:14px;font-weight:720;cursor:pointer}.note-create span{color:var(--cbt-blue);font-size:20px;line-height:1}.note-start{min-height:48px;padding-inline:16px;font-size:14px}.note-start[hidden]{display:none}.note-start.is-disabled{background:#b7c0cc;pointer-events:none}.note-feedback{min-height:22px;margin:8px 0 0;color:var(--cbt-green);font-size:13px;font-weight:650}.note-composer{margin-top:18px;padding:clamp(20px,4vw,34px);border-radius:var(--cbt-radius-lg);box-shadow:var(--cbt-shadow-panel)}.note-composer[hidden],.notes-page [hidden]{display:none}.composer-head{display:flex;align-items:start;justify-content:space-between;gap:20px;padding-bottom:24px;border-bottom:1px solid var(--cbt-line)}.composer-head p{margin:0 0 5px;color:var(--cbt-blue);font-size:11px;font-weight:760}.composer-head h2{margin:0;font-size:24px;letter-spacing:-.04em}.composer-head button{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--cbt-muted);font:inherit;font-size:13px;cursor:pointer}.type-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:24px 0;padding:0;border:0}.type-picker legend{width:100%;margin-bottom:10px;color:var(--cbt-ink);font-size:13px;font-weight:720}.type-picker label{position:relative;cursor:pointer}.type-picker input{position:absolute;opacity:0;pointer-events:none}.type-picker label>span{display:grid;min-height:72px;align-content:center;gap:4px;padding:14px 16px;border:1px solid var(--cbt-line);border-radius:var(--cbt-radius-md);background:var(--cbt-bg)}.type-picker b{font-size:14px}.type-picker small{color:var(--cbt-muted);font-size:11px}.type-picker input:checked+span{border-color:var(--cbt-blue);background:var(--cbt-blue-soft);box-shadow:inset 0 0 0 1px var(--cbt-blue)}.type-picker input:focus-visible+span{outline:3px solid var(--cbt-focus);outline-offset:2px}.composer-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);align-items:start;gap:24px}.composer-fields{display:grid;gap:22px}.field-block{display:grid;gap:8px}.field-block>span,.field-title>span{font-size:13px;font-weight:720}.field-block i,.field-title i{margin-left:4px;color:var(--cbt-muted);font-size:10px;font-style:normal;font-weight:620}.field-block>small,.field-title small{color:var(--cbt-muted);font-size:11px;line-height:1.5}.field-block textarea,.field-block input,.option-row>input{width:100%;min-width:0;border:1px solid var(--cbt-line);border-radius:var(--cbt-radius-sm);background:var(--cbt-bg);color:var(--cbt-ink);font:inherit;font-size:14px}.field-block textarea{padding:13px 14px;line-height:1.55;resize:vertical}.field-block input,.option-row>input{min-height:48px;padding:0 13px}.field-block textarea:focus,.field-block input:focus,.option-row>input:focus{outline:3px solid var(--cbt-focus);outline-offset:2px}.answer-editor{display:grid;gap:10px}.field-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.option-list{display:grid;gap:8px}.option-row{display:grid;grid-template-columns:40px minmax(0,1fr) 44px;align-items:center;gap:8px}.correct-picker{display:grid;min-width:40px;min-height:40px;place-items:center;cursor:pointer}.correct-picker input{position:absolute;opacity:0;pointer-events:none}.correct-picker span{display:grid;width:30px;height:30px;place-items:center;border:1px solid var(--cbt-line);border-radius:50%;background:var(--cbt-surface);color:var(--cbt-muted);font-size:12px;font-weight:720}.correct-picker input:checked+span{border-color:var(--cbt-blue);background:var(--cbt-blue);color:#fff}.correct-picker input:focus-visible+span{outline:3px solid var(--cbt-focus);outline-offset:2px}.option-row>button{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--cbt-muted);font:inherit;font-size:11px;cursor:pointer}.option-tools{display:flex;align-items:center;justify-content:space-between;gap:8px}.option-tools button{min-height:44px;padding:0 8px;border:0;background:transparent;font:inherit;font-size:12px;font-weight:680;cursor:pointer}.add-option{color:var(--cbt-blue)}.option-tools #use-ox{color:var(--cbt-muted)}.problem-preview{position:sticky;top:20px;min-height:280px;padding:20px;border:1px solid var(--cbt-line);border-radius:var(--cbt-radius-md);background:var(--cbt-bg)}.preview-head{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--cbt-muted);font-size:11px;font-weight:680}.preview-head small{padding:4px 7px;border-radius:var(--cbt-radius-full);background:var(--cbt-blue-soft);color:var(--cbt-blue)}.problem-preview h3{margin:30px 0 18px;font-size:17px;line-height:1.55;overflow-wrap:anywhere}.problem-preview ol{display:grid;gap:8px;margin:0;padding:0;list-style:none}.problem-preview li{display:grid;min-height:44px;grid-template-columns:26px minmax(0,1fr);align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--cbt-line);border-radius:var(--cbt-radius-sm);background:var(--cbt-surface);color:var(--cbt-muted);font-size:12px}.problem-preview li>span{display:grid;width:22px;height:22px;place-items:center;border-radius:50%;background:var(--cbt-bg);font-size:10px;font-weight:720}.problem-preview li.is-answer{border-color:color-mix(in srgb,var(--color-brand-strong) 35%,transparent);color:var(--cbt-ink)}.preview-written{margin:0;padding:14px;border-radius:var(--cbt-radius-sm);background:var(--cbt-surface);color:var(--cbt-muted);font-size:12px}.preview-answer,.preview-explanation{margin:14px 0 0;color:var(--cbt-muted);font-size:11px}.composer-footer{display:flex;min-height:68px;align-items:end;justify-content:space-between;gap:16px;margin-top:28px;padding-top:20px;border-top:1px solid var(--cbt-line)}.composer-footer>p{min-height:20px;margin:0;color:var(--cbt-red);font-size:12px}.composer-footer>div{display:flex;gap:8px}.composer-cancel{min-height:52px;padding:0 18px;border:0;background:transparent;color:var(--cbt-muted);font:inherit;font-size:14px;cursor:pointer}.note-list-section{margin-top:34px}.note-list-head{display:flex;min-height:52px;align-items:center;justify-content:space-between;gap:16px}.note-list-head>div{display:flex;align-items:baseline;gap:8px}.note-list-head p{margin:0;color:var(--cbt-muted);font-size:12px}.note-list-section h2{margin:0;font-size:16px;font-weight:740}.note-list-head button{min-height:44px;border:0;background:transparent;color:var(--cbt-muted);font:inherit;font-size:12px;text-decoration:underline;cursor:pointer}.note-list-tools{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;margin:8px 0 12px}.note-search,.note-list-selects label{display:grid;gap:6px;color:var(--cbt-muted);font-size:11px;font-weight:680}.note-search input,.note-list-selects select{min-height:46px;border:1px solid var(--cbt-line);border-radius:var(--cbt-radius-sm);background:var(--cbt-surface);color:var(--cbt-ink);font:inherit;font-size:13px}.note-search input{width:100%;padding:0 14px}.note-list-selects{display:flex;gap:8px}.note-list-selects select{min-width:112px;padding:0 32px 0 12px}.note-search input:focus,.note-list-selects select:focus{outline:3px solid var(--cbt-focus);outline-offset:2px}.note-selection{display:flex;min-height:56px;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px;padding:8px 10px 8px 14px;border-radius:var(--cbt-radius-md);background:var(--cbt-ink);color:#fff}.note-selection strong{white-space:nowrap;font-size:13px}.note-selection>div{display:flex;align-items:center;justify-content:flex-end;gap:4px}.note-selection a,.note-selection button{display:inline-flex;min-height:40px;align-items:center;justify-content:center;padding:0 11px;border:0;border-radius:var(--cbt-radius-sm);background:transparent;color:#ffffffc2;font:inherit;font-size:12px;font-weight:680;text-decoration:none;cursor:pointer}.note-selection a,.note-selection button:first-of-type{background:#fff;color:var(--cbt-ink)}.note-select-all{display:inline-flex;min-height:44px;align-items:center;gap:9px;padding:0 4px;color:var(--cbt-muted);font-size:12px;cursor:pointer}.note-select-all input{width:18px;height:18px;accent-color:var(--cbt-blue)}.note-list{display:grid;gap:10px;margin:8px 0 0;padding:0;list-style:none}.note-row{display:grid;min-height:82px;grid-template-columns:28px auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px 15px}.note-row.is-selected{border-color:color-mix(in srgb,var(--color-brand-strong) 45%,transparent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-brand-strong) 16%,transparent)}.note-card-select{display:grid;width:28px;min-height:44px;place-items:center;cursor:pointer}.note-card-select input{position:absolute;opacity:0;pointer-events:none}.note-card-select span{display:grid;width:20px;height:20px;place-items:center;border:1px solid var(--cbt-line);border-radius:6px;background:var(--cbt-surface)}.note-card-select input:checked+span{border-color:var(--cbt-blue);background:var(--cbt-blue)}.note-card-select input:checked+span:after{width:8px;height:4px;border:solid #fff;border-width:0 0 2px 2px;content:"";transform:rotate(-45deg) translateY(-1px)}.note-card-select input:focus-visible+span{outline:3px solid var(--cbt-focus);outline-offset:2px}.note-type{padding:5px 7px;border-radius:var(--cbt-radius-xs);background:var(--cbt-blue-soft);color:var(--cbt-blue);font-size:10px;font-weight:740}.note-copy{display:grid;min-width:0;gap:5px}.note-copy strong{font-size:14px;line-height:1.4;overflow-wrap:anywhere}.note-copy small{color:var(--cbt-muted);font-size:11px;overflow-wrap:anywhere}.note-row__actions{display:flex;align-items:center;gap:2px}.note-row button{min-width:44px;min-height:44px;padding-inline:7px;border:0;background:transparent;color:var(--cbt-muted);font:inherit;font-size:12px;cursor:pointer}.note-empty{margin:8px 0 0;padding:30px 18px;border:1px dashed var(--cbt-line);border-radius:var(--cbt-radius-md);color:var(--cbt-muted);text-align:center;font-size:13px;line-height:1.6}@media(max-width:760px){.composer-grid{grid-template-columns:1fr}.problem-preview{position:static;min-height:0}.field-title{align-items:start;flex-direction:column;gap:3px}}@media(max-width:560px){.note-toolbar{align-items:stretch;flex-direction:column}.note-create,.note-start{width:100%;justify-content:center}.type-picker{grid-template-columns:1fr}.composer-footer{align-items:stretch;flex-direction:column}.composer-footer>div{display:grid;grid-template-columns:1fr 1.5fr}.note-list-tools{grid-template-columns:1fr}.note-list-selects{display:grid;grid-template-columns:1fr 1fr}.note-list-selects select{width:100%;min-width:0}.note-selection{align-items:stretch;flex-direction:column}.note-selection>div{display:grid;grid-template-columns:1fr 1fr}.note-selection button:last-child{grid-column:1 / -1}.note-row{grid-template-columns:28px auto minmax(0,1fr)}.note-card-select{grid-row:1 / 3;align-self:start}.note-type{justify-self:start}.note-row__actions{grid-column:2 / -1;justify-content:flex-end;padding-top:4px;border-top:1px solid var(--cbt-line)}}