:root{color-scheme:light;--color-bg:#ffffff;--color-surface:#ffffff;--color-surface-2:#f6f7f9;--color-border:#e7e9ee;--color-text:#0d0f14;--color-text-muted:#5b6472;--color-primary:#111418;--color-primary-hover:#2b313a;--color-primary-active:#000000;--color-on-primary:#ffffff;--color-accent:#2787f5;--color-success:#1aa06d;--color-warning:#c98a14;--color-danger:#e5484d;--color-danger-bg:#fff1f1;--shadow-sm:0 1px 2px rgba(16,18,23,0.06);--shadow-md:0 12px 32px rgba(16,18,23,0.12);--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-8:3rem;--space-10:5rem;--font-sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-md:1rem;--font-size-lg:1.25rem;--font-size-xl:1.75rem;--font-size-2xl:2.5rem;--font-size-3xl:clamp(2.25rem,1.4rem + 3.4vw,3.75rem);--line-height:1.55;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--z-header:100;--z-modal:1000;--z-toast:1100;--header-height:64px;--content-max-width:1280px;--transition-fast:120ms ease}:root[data-theme=dark]{color-scheme:dark;--color-bg:#0b0d10;--color-surface:#111418;--color-surface-2:#171b21;--color-border:#242a33;--color-text:#e9ecf1;--color-text-muted:#9aa3b2;--color-primary:#f2f3f5;--color-primary-hover:#dfe2e7;--color-primary-active:#ffffff;--color-on-primary:#0d0f14;--color-accent:#4c9bff;--color-success:#3ec98a;--color-warning:#e8b339;--color-danger:#f0625f;--color-danger-bg:#2a1416;--shadow-sm:0 1px 2px rgba(0,0,0,0.4);--shadow-md:0 16px 40px rgba(0,0,0,0.5)}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--font-size-md);line-height:var(--line-height);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media (prefers-reduced-motion:reduce){*,:after,:before{transition:none!important;animation:none!important}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}