.light{--text-primary:#1a1a1a;--text-secondary:#374151;--text-muted:#4b5563;--text-disabled:#6b7280;--bg-primary:#ffffff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--bg-muted:#e2e8f0;--border-light:#e2e8f0;--border-medium:#cbd5e1;--border-strong:#94a3b8;--button-text-primary:#ffffff;--button-text-secondary:#1f2937;--button-bg-primary:#059669;--button-bg-secondary:#f3f4f6;--button-bg-hover:#047857;--button-border-light:#d1d5db;--button-border-medium:#9ca3af;--font-weight-normal:450;--font-weight-medium:550;--font-weight-semibold:650;--font-weight-bold:750;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.75}.text-high-contrast{color:#1a1a1a;font-weight:500}.bg-high-contrast{background-color:#ffffff;border:1px solid #cbd5e1}.button-high-contrast{background-color:#059669;color:#ffffff;border:1px solid #047857;font-weight:600}.contrast-warning{outline:2px solid #f59e0b;outline-offset:2px}.contrast-check{position:relative}.contrast-check:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 49%,rgba(0,0,0,.1) 50%,transparent 51%);pointer-events:none}@media (prefers-color-scheme:light){:root{--text-primary:#1a1a1a;--text-secondary:#374151;--text-muted:#4b5563;--bg-primary:#ffffff;--bg-secondary:#f8fafc;--border-light:#e2e8f0}}