:root{--color-bg-primary:#ffffff;--color-bg-secondary:#fafafa;--color-bg-tertiary:#f5f5f5;--color-bg-elevated:#ffffff;--color-text-primary:#09090b;--color-text-secondary:#505050;--color-text-tertiary:#707070;--color-text-inverse:#ffffff;--color-border-light:#eeeeee;--color-border-medium:#dedede;--color-border-strong:#cecece;--color-accent:#09090b;--color-accent-hover:#252525;--color-link:#505050;--color-link-hover:#09090b;--gray-50:#fafafa;--gray-100:#f5f5f5;--gray-200:#eeeeee;--gray-300:#e0e0e0;--gray-400:#bdbdbd;--gray-500:#9e9e9e;--gray-600:#757575;--gray-700:#616161;--gray-800:#424242;--gray-900:#212121;--gray-950:#0a0a0a;--code-bg:#f8f8f8;--code-border:#e8e8e8;--code-text:#09090b;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6}@media(prefers-color-scheme:dark){:root{--color-bg-primary:#0e0e10;--color-bg-secondary:#18181b;--color-bg-tertiary:#27272a;--color-bg-elevated:#18181b;--color-text-primary:#fafafa;--color-text-secondary:#a1a1aa;--color-text-tertiary:#71717a;--color-border-light:#27272a;--color-border-medium:#3f3f46;--color-border-strong:#52525b;--color-accent:#fafafa;--color-accent-hover:#e5e5e5;--color-link:#a1a1aa;--color-link-hover:#fafafa;--code-bg:#1a1a1d;--code-border:#27272a;--code-text:#e5e5e5}}:root{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--leading-tight:1.25;--leading-normal:1.5;--leading-relaxed:1.75;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700}:root{--header-height:64px;--sidebar-width:280px;--toc-width:280px;--content-max-width:800px;--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem}body{font-family:var(--font-sans);color:var(--color-text-primary);background:var(--color-bg-primary);font-size:var(--text-base);line-height:var(--leading-relaxed);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.book-page{max-width:var(--content-max-width) !important;padding:var(--space-2xl)var(--space-xl)}.msss-header{background:var(--color-accent) !important;border-bottom:1px solid var(--color-border-medium) !important;height:var(--header-height)}@media(prefers-color-scheme:dark){.msss-header{background:var(--gray-950) !important;border-bottom-color:var(--color-border-light) !important}}.msss-header__title{font-size:var(--text-lg) !important;font-weight:var(--font-semibold) !important}.msss-header__search{width:300px !important}.msss-search__input{background:var(--color-bg-secondary) !important;border:1px solid var(--color-border-light) !important;border-radius:var(--radius-lg) !important;font-size:var(--text-sm) !important}.msss-search__input:focus{border-color:var(--color-text-secondary) !important;box-shadow:0 0 0 3px rgba(9,9,11,5%) !important}.book-menu{background:var(--color-bg-secondary) !important;border-right:1px solid var(--color-border-light) !important;width:var(--sidebar-width) !important}.book-menu nav ul{padding-left:0 !important}.book-menu a{color:var(--color-text-secondary) !important;font-size:var(--text-sm) !important;padding:var(--space-sm)var(--space-md) !important;border-radius:var(--radius-md) !important;transition:all 150ms ease !important;font-weight:var(--font-normal) !important}.book-menu a:hover{background:var(--color-bg-tertiary) !important;color:var(--color-text-primary) !important}.book-menu a.active{background:var(--color-bg-tertiary) !important;color:var(--color-text-primary) !important;font-weight:var(--font-medium) !important}.markdown h1{font-size:var(--text-4xl) !important;font-weight:var(--font-bold) !important;line-height:var(--leading-tight) !important;margin-top:0 !important;margin-bottom:var(--space-2xl) !important;color:var(--color-text-primary) !important;letter-spacing:-.025em}.markdown h2{font-size:var(--text-3xl) !important;font-weight:var(--font-bold) !important;line-height:var(--leading-tight) !important;margin-top:var(--space-3xl) !important;margin-bottom:var(--space-lg) !important;color:var(--color-text-primary) !important;letter-spacing:-.0125em;border-bottom:none !important}.markdown h3{font-size:var(--text-2xl) !important;font-weight:var(--font-semibold) !important;margin-top:var(--space-2xl) !important;margin-bottom:var(--space-md) !important;color:var(--color-text-primary) !important}.markdown h4{font-size:var(--text-xl) !important;font-weight:var(--font-semibold) !important;margin-top:var(--space-xl) !important;margin-bottom:var(--space-sm) !important;color:var(--color-text-primary) !important}.markdown p{font-size:var(--text-base) !important;line-height:var(--leading-relaxed) !important;color:var(--color-text-secondary) !important;margin-bottom:var(--space-lg) !important}.markdown a{color:var(--color-link) !important;text-decoration:none !important;border-bottom:1px solid transparent !important;transition:all 150ms ease !important}.markdown a:hover{color:var(--color-link-hover) !important;border-bottom-color:var(--color-link-hover) !important}.markdown code{font-family:var(--font-mono) !important;font-size:.875em !important;background:var(--code-bg) !important;color:var(--code-text) !important;padding:.2em .5em !important;border-radius:var(--radius-md) !important;border:1px solid var(--code-border) !important;font-weight:var(--font-medium) !important}.markdown pre{background:var(--code-bg) !important;border:1px solid var(--code-border) !important;border-radius:var(--radius-xl) !important;padding:var(--space-lg)var(--space-md) !important;margin:var(--space-xl)0 !important;overflow-x:auto !important;font-family:var(--font-mono) !important;font-size:var(--text-sm) !important;line-height:var(--leading-normal) !important}.markdown pre code{background:0 0 !important;border:none !important;padding:0 !important;color:inherit !important}.markdown table{width:100% !important;border-collapse:collapse !important;margin:var(--space-xl)0 !important;font-size:var(--text-sm) !important;border:1px solid var(--color-border-light) !important;border-radius:var(--radius-lg) !important;overflow:hidden !important}.markdown table th{background:var(--color-bg-secondary) !important;color:var(--color-text-primary) !important;font-weight:var(--font-semibold) !important;text-align:left !important;padding:var(--space-md) !important;border-bottom:1px solid var(--color-border-medium) !important}.markdown table td{padding:var(--space-md) !important;border-bottom:1px solid var(--color-border-light) !important;color:var(--color-text-secondary) !important}.markdown table tr:last-child td{border-bottom:none !important}.markdown table tr:hover{background:var(--color-bg-secondary) !important}.markdown ul,.markdown ol{margin:var(--space-lg)0 !important;padding-left:var(--space-xl) !important}.markdown li{margin-bottom:var(--space-md) !important;color:var(--color-text-secondary) !important;line-height:var(--leading-relaxed) !important}.markdown li strong{color:var(--color-text-primary) !important;font-weight:var(--font-semibold) !important}.msss-dropdown__trigger{background:0 0 !important;border:1px solid var(--color-border-medium) !important;color:var(--color-text-inverse) !important;font-size:var(--text-sm) !important;padding:var(--space-sm)var(--space-md) !important;min-height:36px !important}.msss-dropdown__trigger:hover{background:rgba(255,255,255,.1) !important;border-color:var(--color-border-strong) !important}.msss-dropdown__menu{background:var(--color-bg-elevated) !important;border:1px solid var(--color-border-light) !important;border-radius:var(--radius-lg) !important;box-shadow:0 10px 40px rgba(0,0,0,.15) !important;padding:var(--space-sm) !important;min-width:200px !important}.msss-dropdown__item{padding:var(--space-sm)var(--space-md) !important;border-radius:var(--radius-md) !important;color:var(--color-text-secondary) !important;font-size:var(--text-sm) !important}.msss-dropdown__item:hover{background:var(--color-bg-secondary) !important;color:var(--color-text-primary) !important}.msss-dropdown__item--active{background:var(--color-bg-tertiary) !important;color:var(--color-text-primary) !important;font-weight:var(--font-medium) !important}.msss-badge{font-size:.625rem !important;padding:.25rem .5rem !important;border-radius:var(--radius-md) !important;font-weight:var(--font-semibold) !important;text-transform:uppercase !important;letter-spacing:.05em !important}.msss-badge--primary{background:rgba(59,130,246,.1) !important;color:#3b82f6 !important}.msss-badge--success{background:rgba(16,185,129,.1) !important;color:#10b981 !important}@media(max-width:896px){.book-page{padding:var(--space-xl)var(--space-md) !important}.markdown h1{font-size:var(--text-3xl) !important}.markdown h2{font-size:var(--text-2xl) !important}.markdown h3{font-size:var(--text-xl) !important}.msss-header{display:flex !important}.book-menu{top:var(--header-height) !important;height:calc(100vh - var(--header-height)) !important}}@media(max-width:640px){.book-page{padding:var(--space-lg)var(--space-sm) !important}.markdown h1{font-size:var(--text-2xl) !important}.markdown h2{font-size:var(--text-xl) !important}.markdown h3{font-size:var(--text-lg) !important}.markdown p{font-size:var(--text-sm) !important}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:var(--radius-md)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.book-toc{background:0 0 !important;border-left:1px solid var(--color-border-light) !important}.book-toc a{color:var(--color-text-tertiary) !important;font-size:var(--text-sm) !important;padding:var(--space-xs)var(--space-sm) !important}.book-toc a:hover{color:var(--color-text-primary) !important}.book-toc a.active{color:var(--color-text-primary) !important;font-weight:var(--font-medium) !important}