[data-theme=xai]{--xa-paper:#f6f6f3;--xa-card:#fff;--xa-line:#e2e2dd;--xa-line-2:#cfcfc9;--xa-ink:#262626;--xa-muted:#767672;--xa-off:#e6e6e1;--xa-off-dark:#4f4f4f;--xa-input:#1f9e6e;--xa-weight:#7a6cf0;--xa-sum:#c9871d;--xa-pick:#d33a2d;--xa-output:#3a3a3a;--xa-plain:#9b9b96;--xa-input-soft:#d9f1e6;--xa-weight-soft:#e5e1fc;--xa-sum-soft:#f6e8cf;--xa-pick-soft:#f8dcd9;--color-accent:var(--xa-pick);--color-accent-fg:#fff;--color-bg:var(--xa-paper);--color-fg:var(--xa-ink);--color-border:var(--xa-line);--color-muted:#ecece8;--color-muted-fg:var(--xa-muted)}.xa{background-color:var(--xa-paper);color:var(--xa-ink);word-break:keep-all;overflow-wrap:anywhere;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='44'%3E%3Cpath d='M16 16l12 12M28 16L16 28' stroke='%23e3e3de' stroke-width='1.3' stroke-linecap='round'/%3E%3C/svg%3E");font-size:16px;line-height:1.6}.xa-wrap{max-width:1060px;margin:0 auto;padding:26px 18px 56px}@media 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summary::-webkit-details-marker{display:none}.xa-teacher summary:before{content:"+";background:var(--xa-ink);color:#fff;border-radius:5px;place-items:center;width:20px;height:20px;font-size:14px;display:grid}.xa-teacher[open] summary:before{content:"–"}.xa-teacher-body{gap:14px;padding:4px 0 16px;font-size:14.5px;display:grid}.xa-teacher-body h4{color:var(--xa-muted);letter-spacing:.04em;margin-bottom:4px;font-size:13px;font-weight:800}.xa-teacher-body ul{gap:3px;padding-left:18px;list-style:outside;display:grid}.xa-glossary{gap:8px 20px;font-size:14px;display:grid}@media (min-width:720px){.xa-glossary{grid-template-columns:1fr 1fr}}.xa-glossary dt{font-weight:800}.xa-glossary dd{color:var(--xa-muted);margin-bottom:6px}.xa-footer{border-top:1px solid var(--xa-line);color:var(--xa-muted);margin-top:56px;padding-top:18px;font-size:12.5px;line-height:1.7}.xa-cam{aspect-ratio:4/3;color:#fff;background:#1b1b1b;border-radius:10px;position:relative;overflow:hidden}.xa-cam video{object-fit:cover;width:100%;height:100%;position:absolute;inset:0;transform:scaleX(-1)}.xa-cam canvas{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.xa-cam-msg{text-align:center;place-content:center;justify-items:center;gap:10px;padding:20px;font-size:14.5px;display:grid;position:absolute;inset:0}.xa-cam-chip{background:#0000008c;border-radius:999px;padding:3px 9px;font-size:12px;position:absolute;top:10px;left:10px}