:root{--font-heading:Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--text-xs:12px;--lh-xs:16px;--text-sm:14px;--lh-sm:20px;--text-base:16px;--lh-base:24px;--text-lg:18px;--lh-lg:28px;--text-xl:22px;--lh-xl:30px;--text-2xl:28px;--lh-2xl:36px;--text-3xl:34px;--lh-3xl:42px;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-full:9999px;--container-max:1120px;--reading-measure:68ch;--touch-min:44px;--bp-sm:640px;--bp-md:768px;--bp-lg:1024px;--bp-xl:1280px;--dur-fast:.12s;--dur-base:.2s;--dur-slow:.32s;--ease-standard:cubic-bezier(.4, 0, .2, 1);--ease-in:cubic-bezier(0, 0, .2, 1);--ease-out:cubic-bezier(.4, 0, 1, 1);--color-primary:#8b7cf6;--color-primary-hover:#9d90f8;--color-primary-subtle:#241f3d;--color-on-primary:#0f0f13;--color-accent:#2dd4bf;--color-bg:#0f0f13;--color-surface:#17171d;--color-surface-2:#1f1f27;--color-border:#2a2a33;--color-border-strong:#3a3a45;--color-text:#ececf1;--color-text-muted:#9a9aa8;--color-text-faint:#6b6b78;--color-success:#34d399;--color-warning:#fbbf24;--color-danger:#f87171;--color-info:#60a5fa;--heatmap-0:#20202a;--heatmap-1:#0e4429;--heatmap-2:#006d32;--heatmap-3:#26a641;--heatmap-4:#39d353;--heatmap-empty:#1a1a22;--shadow-sm:0 1px 2px #0006;--shadow-md:0 4px 12px #00000073;--shadow-lg:0 12px 32px #0000008c;--focus-ring:0 0 0 3px #8b7cf673}:root[data-theme=light]{--color-primary:#6d5ae0;--color-primary-hover:#5c48d4;--color-primary-subtle:#efeafe;--color-on-primary:#fff;--color-accent:#0f9d8f;--color-bg:#f7f7fa;--color-surface:#fff;--color-surface-2:#f0f0f4;--color-border:#e3e3ea;--color-border-strong:#cfcfd9;--color-text:#1b1b22;--color-text-muted:#5c5c6b;--color-text-faint:#8a8a99;--color-success:#16a34a;--color-warning:#d97706;--color-danger:#dc2626;--color-info:#2563eb;--heatmap-0:#ebedf0;--heatmap-1:#9be9a8;--heatmap-2:#40c463;--heatmap-3:#30a14e;--heatmap-4:#216e39;--heatmap-empty:#f0f0f4;--shadow-sm:0 1px 2px #14142814;--shadow-md:0 4px 12px #1414281a;--shadow-lg:0 12px 32px #14142824;--focus-ring:0 0 0 3px #6d5ae059}@media (prefers-color-scheme:light){:root:not([data-theme=dark]){--color-primary:#6d5ae0;--color-primary-hover:#5c48d4;--color-primary-subtle:#efeafe;--color-on-primary:#fff;--color-accent:#0f9d8f;--color-bg:#f7f7fa;--color-surface:#fff;--color-surface-2:#f0f0f4;--color-border:#e3e3ea;--color-border-strong:#cfcfd9;--color-text:#1b1b22;--color-text-muted:#5c5c6b;--color-text-faint:#8a8a99;--color-success:#16a34a;--color-warning:#d97706;--color-danger:#dc2626;--color-info:#2563eb;--heatmap-0:#ebedf0;--heatmap-1:#9be9a8;--heatmap-2:#40c463;--heatmap-3:#30a14e;--heatmap-4:#216e39;--heatmap-empty:#f0f0f4;--shadow-sm:0 1px 2px #14142814;--shadow-md:0 4px 12px #1414281a;--shadow-lg:0 12px 32px #14142824;--focus-ring:0 0 0 3px #6d5ae059}}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--color-bg);min-height:100vh;color:var(--color-text);font-family:var(--font-body);font-size:var(--text-base);line-height:var(--lh-base);font-weight:var(--font-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}