:root{color-scheme:dark;--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, "Liberation Mono", monospace;--accent: #ff6a3d;--accent-strong: #ff8a5c;--accent-soft: rgb(255 106 61 / .14);--accent-contrast: #2a0f04;--bg: #0d0f12;--bg-elev: #14171c;--bg-sunken: #090b0d;--bg-hover: #1b1f26;--border: #22262d;--border-strong: #2f343d;--text: #edf0f4;--text-dim: #9aa3ae;--text-faint: #67707c;--success: #46b978;--success-soft: rgb(70 185 120 / .14);--warn: #e8b23f;--warn-soft: rgb(232 178 63 / .14);--danger: #e5534b;--danger-soft: rgb(229 83 75 / .14);--info: #58a6ff;--info-soft: rgb(88 166 255 / .14);--radius-s: 6px;--radius: 10px;--radius-l: 16px;--shadow-1: 0 1px 2px rgb(0 0 0 / .45);--shadow-2: 0 10px 30px rgb(0 0 0 / .38);--dur: .18s;--ease: cubic-bezier(.2, .7, .3, 1);--sidebar-w: 250px;--sidebar-w-collapsed: 68px;--topnav-h: 58px;--fs-hero: clamp(2.5rem, 1.6rem + 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var(--accent);background:var(--accent-soft);display:grid;place-items:center;margin-top:.1rem}.timeline-item__node:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.75rem}.quick-action{display:flex;align-items:center;gap:.8rem;padding:1rem 1.1rem;color:var(--text)}.quick-action:hover{text-decoration:none;border-color:var(--accent)}.quick-action__icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);flex:none}.quick-action small{display:block;color:var(--text-dim);font-size:var(--fs-xs)}.module-preview{display:grid;gap:1rem;place-items:center;text-align:center;padding:clamp(2rem,7vw,5rem) 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