:root{--color-primary:#4F46E5;--color-primary-hover:#4338CA;--color-primary-light:#EEF2FF;--color-primary-muted:#C7D2FE;--color-on-primary:#FFFFFF;--color-bg:#FFFFFF;--color-bg-subtle:#F9FAFB;--color-bg-muted:#F3F4F6;--color-bg-elevated:#FFFFFF;--color-nav-bg:#E5E7EB;--color-nav-border:#9CA3AF;--color-nav-hover:#D1D5DB;--color-text:#111827;--color-text-muted:#4B5563;--color-text-subtle:#6B7280;--color-border:#E5E7EB;--color-border-strong:#D1D5DB;--color-success:#047857;--color-success-light:#D1FAE5;--color-success-border:#6EE7B7;--color-warning:#B45309;--color-warning-light:#FEF3C7;--color-warning-border:#FCD34D;--color-danger:#B91C1C;--color-danger-light:#FEE2E2;--color-danger-border:#FCA5A5;--color-link:#4F46E5;--color-link-hover:#3730A3;--color-streak:#C2410C;--color-streak-light:#FFF7ED;--color-streak-border:#FDBA74;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.5rem;--font-size-2xl:2rem;--font-size-hero:3rem;--shadow-sm:0 1px 2px rgba(17,24,39,0.05);--shadow-nav:0 1px 0 var(--color-nav-border),0 4px 14px rgba(17,24,39,0.12);--shadow-md:0 4px 12px rgba(17,24,39,0.08);--shadow-lg:0 8px 24px rgba(17,24,39,0.1);--nav-height:56px;--bottom-nav-height:64px;--transition-fast:150ms ease;--bp-sm:640px;--bp-md:768px;--bp-lg:1024px;--bp-xl:1280px;--bp-2xl:1536px;--content-max-width:100%;--content-padding-x:var(--space-4);--page-gap:var(--space-6)}@media (min-width:640px){:root{--content-padding-x:var(--space-5);--page-gap:var(--space-8)}}@media (min-width:768px){:root{--content-max-width:720px;--nav-height:60px;--content-padding-x:var(--space-6)}}@media (min-width:1024px){:root{--content-max-width:960px;--font-size-hero:3.25rem}}@media (min-width:1280px){:root{--content-max-width:1140px;--content-padding-x:var(--space-8)}}@media (min-width:1536px){:root{--content-max-width:1280px}}.responsive-split{display:grid;grid-gap:var(--page-gap);gap:var(--page-gap);grid-template-columns:1fr}@media (min-width:1024px){.responsive-split{grid-template-columns:minmax(260px,340px) minmax(0,1fr);align-items:start}.responsive-split--sidebar-right{grid-template-columns:minmax(0,1fr) minmax(260px,340px)}}.responsive-card-grid{display:grid;grid-gap:var(--space-4);gap:var(--space-4);grid-template-columns:1fr}@media (min-width:640px){.responsive-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1024px){.responsive-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1280px){.responsive-card-grid--dense{grid-template-columns:repeat(4,minmax(0,1fr))}}.responsive-stat-row{display:grid;grid-gap:var(--space-3);gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr))}@media (min-width:768px){.responsive-stat-row{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (min-width:1024px){.responsive-stat-row--auto{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}}