.sa-root{--sa-ink:#2a56c6;--sa-ink-2:#2a4da7;--sa-paper:#f8fafc;--sa-accent:hsl(var(--primary));--sa-alert:#dc2626;--sa-on-ink:#f1f5f9;--sa-on-ink-muted:rgba(241,245,249,.66);--sa-on-ink-faint:rgba(241,245,249,.14);--sa-ghost:rgba(14,21,37,.08);word-break:keep-all;overflow-wrap:break-word}.sa-root h1,.sa-root h2,.sa-root h3{text-wrap:balance}.dark .sa-root{--sa-ink:#090e1b;--sa-ink-2:#0f1729;--sa-paper:#212736;--sa-alert:#f87171;--sa-on-ink:#f1f5f9;--sa-on-ink-muted:rgba(241,245,249,.62);--sa-on-ink-faint:rgba(241,245,249,.12);--sa-ghost:rgba(241,245,249,.07)}.sa-serif{font-family:var(--font-serif-kr),var(--font-serif),Georgia,serif}.sa-nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}.sa-ink-panel{background-color:var(--sa-ink);color:var(--sa-on-ink)}.sa-paper-panel{background-color:var(--sa-paper)}.sa-accent-text{color:var(--sa-accent)}.sa-accent-border{border-color:var(--sa-accent)}.sa-on-ink{color:var(--sa-on-ink)}.sa-on-ink-muted{color:var(--sa-on-ink-muted)}.sa-hero{position:relative;background-color:var(--sa-ink);background-image:radial-gradient(120% 90% at 12% 6%,hsla(0,0%,100%,.06),transparent 46%),radial-gradient(90% 80% at 92% 4%,var(--sa-accent),transparent 42%),radial-gradient(140% 120% at 88% 96%,hsla(0,0%,100%,.04),transparent 50%);background-blend-mode:soft-light,overlay,normal;color:var(--sa-on-ink);isolation:isolate}.sa-hero:after{content:"";position:absolute;inset:0;z-index:-1;opacity:.05;background-image:repeating-linear-gradient(0deg,hsla(0,0%,100%,.5) 0 1px,transparent 1px 3px);pointer-events:none}.sa-hero .sa-accent-text{color:#fff}.sa-hero .sa-stamp{border-color:hsla(0,0%,100%,.72);color:hsla(0,0%,100%,.92)}.sa-stamp{border:2px solid var(--sa-accent);color:var(--sa-accent);transform:rotate(-3deg);opacity:.85;border-radius:4px;letter-spacing:.08em;box-shadow:inset 0 0 0 1px hsl(var(--primary)/.35)}.sa-chapter{position:relative}.sa-ghost-num{position:absolute;top:-2.6rem;left:-.35rem;z-index:0;font-size:clamp(3.75rem,8vw,5.5rem);font-weight:900;line-height:1;color:var(--sa-ghost);font-family:var(--font-serif-kr),var(--font-serif),serif;font-variant-numeric:tabular-nums;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.sa-article-chip{border:1px solid hsl(var(--border));color:hsl(var(--muted-foreground));letter-spacing:.04em}.sa-quote b{color:var(--sa-accent);font-weight:700}.sa-vdiv{border-left:1px solid hsl(var(--border))}.sa-perf{border-top:1.5px dashed hsl(var(--border))}.sa-toc-link{position:relative;transition:color .18s ease}.sa-toc-link[data-active=true]{color:var(--sa-accent)}.sa-toc-bar{position:absolute;left:-1rem;top:50%;height:0;width:2px;background:var(--sa-accent);transform:translateY(-50%);transition:height .2s ease}.sa-toc-link[data-active=true] .sa-toc-bar{height:1.05rem}.sa-check{border:1.5px solid hsl(var(--border));transition:background-color .15s ease,border-color .15s ease}.sa-check[data-checked=true]{background-color:var(--sa-accent);border-color:var(--sa-accent);color:hsl(var(--primary-foreground))}.sa-gauge-track{background:var(--sa-on-ink-faint)}.sa-gauge-fill{background:linear-gradient(90deg,var(--sa-on-ink-muted),var(--sa-accent))}@media (prefers-reduced-motion:reduce){.sa-check,.sa-toc-bar,.sa-toc-link{transition:none}}