:root{--color-paper:#ffffff;--color-ink:#0f172a;--color-ink-muted:#475569;--color-night:#0b0f19;--color-night-text:#f8fafc;--color-night-muted:#94a3b8;--color-sepia:#f4ecd8;--color-sepia-text:#33281e;--color-sepia-muted:#6a5541;--color-oled:#000000;--color-oled-text:#ffffff;--color-oled-muted:#9ca3af;--color-eink-muted:#4b5563;--color-line:#e2e8f0;--color-accent:#2563eb;--color-accent-strong:#1d4ed8;--color-danger:#dc2626;--color-overlay:#00000073;--color-success:#047857;--color-warning:#b45309;--type-font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--type-font-serif:"Merriweather","Lora","Palatino Linotype","Times New Roman",serif;--type-font-mono:"SFMono-Regular",Consolas,monospace;--type-size-xs:0.75rem;--type-size-sm:0.875rem;--type-size-md:1rem;--type-size-lg:1.25rem;--type-size-xl:1.75rem;--type-size-display:clamp(2.25rem,5vw,4.5rem);--type-line-body:1.6;--type-line-tight:1.15;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--space-16:4rem;--space-24:6rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-pill:9999px;--elevation-none:none;--elevation-card:0 1px 3px 0 rgb(15 23 42/0.06),0 1px 2px -1px rgb(15 23 42/0.04);--elevation-floating:0 10px 25px -5px rgb(15 23 42/0.1),0 8px 10px -6px rgb(15 23 42/0.06);--motion-fast:150ms;--motion-normal:250ms;--motion-slow:350ms;--motion-ease-standard:cubic-bezier(0.16,1,0.3,1)}:root[data-theme=light],[data-reader-theme=light]{--color-background:#ffffff;--color-surface:#ffffff;--color-content-primary:#0f172a;--color-content-secondary:#475569;--color-border:#e2e8f0;--color-accent:#2563eb;--color-action-primary:#2563eb;--color-action-primary-foreground:#ffffff;--color-action-danger:#dc2626;--color-action-danger-foreground:#ffffff;--color-status-danger:#dc2626}:root[data-theme=dark],[data-reader-theme=dark]{--color-background:#0b0f19;--color-surface:#1e293b;--color-content-primary:#f8fafc;--color-content-secondary:#94a3b8;--color-border:#334155;--color-accent:#60a5fa;--color-action-primary:#60a5fa;--color-action-primary-foreground:#0f172a;--color-action-danger:#dc2626;--color-action-danger-foreground:#ffffff;--color-status-danger:#f87171}:root[data-theme=sepia],[data-reader-theme=sepia]{--color-background:#f4ecd8;--color-surface:#faf3e1;--color-content-primary:#33281e;--color-content-secondary:#6a5541;--color-border:#d7c5a5;--color-accent:#1d4ed8;--color-action-primary:#1d4ed8;--color-action-primary-foreground:#ffffff;--color-action-danger:#dc2626;--color-action-danger-foreground:#ffffff;--color-status-danger:#b91c1c}:root[data-theme=oled],[data-reader-theme=oled]{--color-background:#000000;--color-surface:#111827;--color-content-primary:#ffffff;--color-content-secondary:#9ca3af;--color-border:#1f2937;--color-accent:#60a5fa;--color-action-primary:#60a5fa;--color-action-primary-foreground:#000000;--color-action-danger:#dc2626;--color-action-danger-foreground:#ffffff;--color-status-danger:#f87171}:root[data-theme=e-ink],[data-reader-theme=e-ink]{--color-background:#ffffff;--color-surface:#ffffff;--color-content-primary:#000000;--color-content-secondary:#4b5563;--color-border:#000000;--color-accent:#000000;--color-action-primary:#000000;--color-action-primary-foreground:#ffffff;--color-action-danger:#000000;--color-action-danger-foreground:#ffffff;--color-status-danger:#000000}:root{--typography-body-font-family:var(--type-font-sans);--typography-body-font-size:var(--type-size-md);--typography-body-line-height:var(--type-line-body);--typography-heading-font-family:var(--type-font-serif);--typography-heading-font-size:var(--type-size-xl);--typography-heading-line-height:var(--type-line-tight);--typography-display-font-family:var(--type-font-serif);--typography-display-font-size:var(--type-size-display);--typography-display-line-height:var(--type-line-tight);--typography-label-font-family:var(--type-font-sans);--typography-label-font-size:var(--type-size-sm);--typography-label-line-height:var(--type-line-tight)}[data-experience=discover]{--surface-active:var(--color-surface);--experience-content-max:1280px;--experience-content-padding:var(--space-8)}[data-experience=read]{--surface-active:var(--color-background);--reader-content-max:760px;--experience-content-padding:var(--space-6)}[data-experience=operate]{--surface-active:var(--color-surface);--experience-content-max:1440px;--experience-content-padding:var(--space-8)}[data-density=compact]{--density-content-padding:var(--space-4);--density-control-height:44px}[data-density=comfortable]{--density-content-padding:var(--space-6);--density-control-height:48px}[data-density=spacious]{--density-content-padding:var(--space-8);--density-control-height:52px}