:root{--color-primary:#000;--color-primary-dark:#1a1a1a;--color-primary-darker:#0a0a0a;--color-primary-light:#666;--color-primary-alpha-20:rgba(0,0,0,.2);--color-primary-alpha-30:rgba(0,0,0,.3);--color-primary-alpha-15:rgba(0,0,0,.15);--color-text-primary:#000;--color-text-secondary:#333;--color-text-tertiary:#666;--color-text-muted:#999;--color-link:#000;--color-link-hover:#333;--color-bg-primary:#fff;--color-bg-secondary:#f5f5f5;--color-bg-tertiary:#eee;--color-bg-hover:#f0f0f0;--color-bg-detail:#fafafa;--color-border-primary:#e0e0e0;--color-border-secondary:#f0f0f0;--gradient-primary:linear-gradient(135deg,#000,#1a1a1a);--gradient-primary-hover:linear-gradient(135deg,#1a1a1a,#333);--gradient-bg:linear-gradient(135deg,#fafafa,#f5f5f5);--shadow-sm:0 2px 4px rgba(0,0,0,.1);--shadow-md:0 4px 8px rgba(0,0,0,.15);--shadow-lg:0 4px 12px rgba(0,0,0,.08);--color-error:#dc2626;--color-error-bg:#fee2e2;--color-error-border:#fecaca;--color-disabled:#cbd5e1;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-full:12px;--transition-fast:all 0.2s;--transition-smooth:transform 0.3s ease;--opacity-overlay:rgba(0,0,0,.1);--opacity-overlay-light:hsla(0,0%,100%,.25)}[data-theme=dark]{--color-primary:#2c2c2c;--color-primary-dark:#222;--color-primary-darker:#1a1a1a;--color-primary-light:#888;--color-primary-alpha-20:hsla(0,0%,100%,.1);--color-primary-alpha-30:hsla(0,0%,100%,.15);--color-primary-alpha-15:hsla(0,0%,100%,.08);--color-text-primary:#f0f0f0;--color-text-secondary:#d0d0d0;--color-text-tertiary:#a0a0a0;--color-text-muted:#686868;--color-link:#c8c8c8;--color-link-hover:#f0f0f0;--color-bg-primary:#121212;--color-bg-secondary:#1e1e1e;--color-bg-tertiary:#2a2a2a;--color-bg-hover:#2a2a2a;--color-bg-detail:#1a1a1a;--color-border-primary:#383838;--color-border-secondary:#2a2a2a;--gradient-primary:linear-gradient(135deg,#2c2c2c,#3a3a3a);--gradient-primary-hover:linear-gradient(135deg,#3a3a3a,#444);--gradient-bg:linear-gradient(135deg,#1a1a1a,#1e1e1e);--shadow-sm:0 2px 4px rgba(0,0,0,.4);--shadow-md:0 4px 8px rgba(0,0,0,.5);--shadow-lg:0 4px 12px rgba(0,0,0,.4);--color-error:#f87171;--color-error-bg:#2d1b1b;--color-error-border:#5a2b2b;--color-disabled:#444;--opacity-overlay:hsla(0,0%,100%,.12);--opacity-overlay-light:hsla(0,0%,100%,.18)}*,:after,:before{box-sizing:border-box}html{transition:background-color .25s ease,color .25s ease}body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary)}body{margin:0;font-family:system-ui,-apple-system,sans-serif}