.sd-anim{margin:2rem 0;border:1px solid var(--c-line);background:var(--c-raised);background-image:linear-gradient(var(--c-dot) 1px,transparent 1px),linear-gradient(90deg,var(--c-dot) 1px,transparent 1px);background-size:24px 24px}.sd-anim-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:8px 12px;border-bottom:1px solid var(--c-line);background:var(--c-surface)}.sd-anim-tag{padding:2px 6px;background:var(--c-signal);color:var(--c-on-signal);font-size:11px;font-weight:600;letter-spacing:.08em}.sd-anim-tag,.sd-anim-title{font-family:var(--font-geist-mono),ui-monospace,monospace;text-transform:uppercase}.sd-anim-title{font-size:12px;letter-spacing:.06em;color:var(--c-fg-2)}.sd-anim-sum{margin:0;padding:14px 16px;font-size:15px;line-height:1.6;color:var(--c-fg-2)}.sd-anim[data-anim-state=loading] .sd-anim-stage{min-height:240px}.sd-anim[data-anim-state=ready] .sd-anim-sum{display:none}@media (max-width:639px){.course-content .sd-anim{margin-left:-16px;margin-right:-16px;border-left:0;border-right:0}}@media print{.sd-anim{-moz-column-break-inside:avoid;break-inside:avoid;background-image:none}}