:root{--c-ink: #1a1a1a;--c-ink-soft: #44464b;--c-ink-muted: #6b7280;--c-ink-faint: #9ca3af;--c-paper: #ffffff;--c-surface: #fbfbfa;--c-surface-2: #f4f4f2;--c-line: #e6e6e3;--c-line-strong: #d7d7d2;--c-accent: #4f46e5;--c-accent-hover: #4338ca;--c-accent-soft: #eef2ff;--c-accent-ink: #ffffff;--c-success: #15803d;--c-success-soft: #ecfdf3;--c-warning: #b45309;--c-warning-soft: #fffbeb;--c-warning-line: #fde68a;--c-danger: #b42318;--c-danger-soft: #fef3f2;--c-danger-line: #fecdca;--font-ui: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-display: "Instrument Serif", Georgia, "Times New Roman", serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 22px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);--shadow-md: 0 4px 16px rgba(16, 24, 40, .08);--shadow-lg: 0 18px 48px rgba(16, 24, 40, .12);--maxw: 1120px;--gutter: clamp(16px, 4vw, 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