:root{--color-primary:#667eea;--color-primary-dark:#5a67d8;--color-secondary:#764ba2;--color-success:#48bb78;--color-success-bg:rgba(72,187,120,.1);--color-warning:#ed8936;--color-warning-bg:rgba(237,137,54,.1);--color-error:#f56565;--color-error-bg:hsla(0,88%,68%,.1);--color-info:#4299e1;--color-info-bg:rgba(66,153,225,.1);--color-text-primary:#2c3e50;--color-text-secondary:#7f8c8d;--color-text-muted:#a0aec0;--color-bg-primary:#fff;--color-bg-secondary:#f7fafc;--color-bg-tertiary:#edf2f7;--color-skeleton:#e2e8f0;--color-border:#e2e8f0;--color-border-dark:#cbd5e0;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);--radius-sm:0.25rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-full:9999px;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--font-xs:0.75rem;--font-sm:0.875rem;--font-base:1rem;--font-lg:1.125rem;--font-xl:1.25rem;--font-2xl:1.5rem;--font-3xl:1.875rem;--font-4xl:2.25rem;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--transition-fast:150ms ease;--transition-base:200ms ease;--transition-slow:300ms ease;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070;--sidebar-width:280px;--sidebar-collapsed-width:60px;--header-height-mobile:56px;--container-sm:100%;--container-md:720px;--container-lg:960px;--container-xl:1200px}@media (prefers-color-scheme:dark){:root{--color-text-primary:#f7fafc;--color-text-secondary:#a0aec0;--color-bg-primary:#1a202c;--color-bg-secondary:#2d3748;--color-bg-tertiary:#4a5568;--color-border:#4a5568;--color-skeleton:#4a5568}}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:var(--font-base);line-height:1.6;color:var(--color-text-primary);background-color:var(--color-bg-secondary)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5,h6{font-weight:var(--font-semibold);line-height:1.3;color:var(--color-text-primary)}h1{font-size:var(--font-2xl)}h2{font-size:var(--font-xl)}h3{font-size:var(--font-lg)}h4{font-size:var(--font-base)}@media (min-width:768px){h1{font-size:var(--font-3xl)}h2{font-size:var(--font-2xl)}h3{font-size:var(--font-xl)}h4{font-size:var(--font-lg)}}@media (min-width:1024px){h1{font-size:var(--font-4xl)}h2{font-size:var(--font-3xl)}h3{font-size:var(--font-2xl)}h4{font-size:var(--font-xl)}}h5{font-size:var(--font-lg)}h6{font-size:var(--font-base)}p{margin-bottom:1rem}code{font-size:.875em;padding:.125rem .375rem;border-radius:var(--radius-sm)}code,pre{font-family:SF Mono,Monaco,Inconsolata,Fira Code,Droid Sans Mono,monospace;background-color:var(--color-bg-tertiary)}pre{font-size:.875rem;line-height:1.5;padding:1rem;border-radius:var(--radius-md);overflow-x:auto}pre code{background:none;padding:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-tertiary)}::-webkit-scrollbar-thumb{background:var(--color-border-dark);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{width:100%;max-width:var(--container-sm);margin:0 auto;padding:0 var(--spacing-md)}@media (min-width:768px){.container{max-width:var(--container-md)}}@media (min-width:1024px){.container{max-width:var(--container-lg)}}@media (min-width:1280px){.container{max-width:var(--container-xl)}}