@font-face{font-family:IBM Plex Sans;src:url(/fonts/plex-sans.woff2) format("woff2");font-weight:400 600;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;src:url(/fonts/plex-mono-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;src:url(/fonts/plex-mono-600.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--signal: #0b5fcc;--signal-strong: #0a4ea8;--signal-bright: #5aa2ff;--brand: var(--signal);--brand-strong: var(--signal-strong);--brand-bright: var(--signal-bright);--accent: #0f7a4a;--accent-bright: #2f9f6a;--success: #0f7a4a;--warning: #8a5a08;--danger: #c0392b;--k-public: #0b5fcc;--k-private: #0f7a4a;--k-loopback: #6b4e9b;--k-link-local: #8a5a08;--k-multicast: #a03070;--k-documentation: #4a5c8a;--k-carrier-grade-nat: #a04a1a;--k-reserved: #5c666d;--font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;--track-display: -.024em;--track-heading: -.015em;--track-eyebrow: .02em;--track-chrome: .01em;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 4rem;--radius-sm: 0px;--radius-md: 0px;--radius-lg: 0px;--radius-xl: 0px;--radius-full: 999px;--ease-standard: cubic-bezier(.2, .8, .2, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--duration-instant: 90ms;--duration-fast: .14s;--duration-base: .2s;--duration-slow: .34s;--flash-in: color-mix(in srgb, var(--success) 18%, transparent);--flash-out: color-mix(in srgb, var(--warning) 20%, transparent)}:root{color-scheme:light;--surface-canvas: #ffffff;--surface-card: #ffffff;--surface-sunken: #f2f3f5;--surface-inset: #eaecef;--surface-hover: #f5f6f8;--surface-border: #e4e6ea;--surface-border-strong: #d3d6dc;--text-primary: #16181d;--text-secondary: #5c636e;--text-tertiary: #8a9099;--text-on-accent: #ffffff;--syn-network: #16181d;--syn-host: #98a0ab;--syn-prefix: var(--signal);--brand-soft: color-mix(in srgb, var(--signal) 8%, transparent);--brand-soft-strong: color-mix(in srgb, var(--signal) 14%, transparent);--brand-text: var(--signal-strong);--focus-ring: 0 0 0 2px var(--surface-canvas), 0 0 0 4px var(--signal);--selection-bg: color-mix(in srgb, var(--signal) 18%, transparent);--badge-tint: 0%;--badge-text-blend: 0%;--shadow-sm: none;--shadow-md: none;--shadow-lg: none;--glow-canvas: none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--surface-canvas: #181a1f;--surface-card: #181a1f;--surface-sunken: #1f2229;--surface-inset: #22262e;--surface-hover: #20242b;--surface-border: #272b33;--surface-border-strong: #353a44;--text-primary: #e3e6eb;--text-secondary: #a2a9b4;--text-tertiary: #767d88;--text-on-accent: #10131a;--syn-network: #e3e6eb;--syn-host: #6f7784;--syn-prefix: var(--signal-bright);--brand-soft: color-mix(in srgb, var(--signal-bright) 14%, transparent);--brand-soft-strong: color-mix(in srgb, var(--signal-bright) 22%, transparent);--brand-text: var(--signal-bright);--focus-ring: 0 0 0 2px var(--surface-canvas), 0 0 0 4px var(--signal-bright);--selection-bg: color-mix(in srgb, var(--signal-bright) 28%, transparent);--badge-tint: 0%;--badge-text-blend: 55%;--shadow-sm: none;--shadow-md: none;--shadow-lg: none;--glow-canvas: none;--k-public: #5aa2ff;--k-private: #4fc48c;--k-loopback: #b39ae0;--k-link-local: #d9a33f;--k-multicast: #e084b8;--k-documentation: #93a6d8;--k-carrier-grade-nat: #e0925f;--k-reserved: #97a3aa;--success: #4fc48c;--warning: #d9a33f;--danger: #e5786c}}:root[data-theme=dark]{color-scheme:dark;--surface-canvas: #181a1f;--surface-card: #181a1f;--surface-sunken: #1f2229;--surface-inset: #22262e;--surface-hover: #20242b;--surface-border: #272b33;--surface-border-strong: #353a44;--text-primary: #e3e6eb;--text-secondary: #a2a9b4;--text-tertiary: #767d88;--text-on-accent: #10131a;--syn-network: #e3e6eb;--syn-host: #6f7784;--syn-prefix: var(--signal-bright);--brand-soft: color-mix(in srgb, var(--signal-bright) 14%, transparent);--brand-soft-strong: color-mix(in srgb, var(--signal-bright) 22%, transparent);--brand-text: var(--signal-bright);--focus-ring: 0 0 0 2px var(--surface-canvas), 0 0 0 4px var(--signal-bright);--selection-bg: color-mix(in srgb, var(--signal-bright) 28%, transparent);--badge-tint: 0%;--badge-text-blend: 55%;--shadow-sm: none;--shadow-md: none;--shadow-lg: none;--glow-canvas: none;--k-public: #5aa2ff;--k-private: #4fc48c;--k-loopback: #b39ae0;--k-link-local: #d9a33f;--k-multicast: #e084b8;--k-documentation: #93a6d8;--k-carrier-grade-nat: #e0925f;--k-reserved: #97a3aa;--success: #4fc48c;--warning: #d9a33f;--danger: #e5786c}@keyframes row-flash-in{0%{background-color:var(--flash-in)}to{background-color:transparent}}@keyframes row-flash-out{0%{background-color:var(--flash-out);opacity:1}to{background-color:var(--flash-out);opacity:0}}.row-enter{animation:row-flash-in var(--duration-slow) var(--ease-out)}.row-leave{animation:row-flash-out .24s var(--ease-standard) forwards;pointer-events:none}@keyframes item-flash-in{0%{background-color:var(--flash-in);transform:translateY(-3px)}to{background-color:transparent;transform:translateY(0)}}.item-enter{animation:item-flash-in var(--duration-slow) var(--ease-out)}.item-leave{animation:row-flash-out .24s var(--ease-standard) forwards;pointer-events:none}@keyframes fade-slide-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.fade-slide-in{animation:fade-slide-in var(--duration-base) var(--ease-out)}.tooltip{position:relative}.tooltip:after{content:attr(data-tip);position:absolute;left:50%;top:calc(100% + 9px);transform:translate(-50%) translateY(-4px);background:var(--text-primary);color:var(--surface-card);padding:6px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:500;line-height:1.3;white-space:nowrap;max-width:min(60vw,320px);box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:opacity var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard);z-index:30}.tooltip:hover:after,.tooltip:focus-visible:after{opacity:1;transform:translate(-50%) translateY(0);transition-delay:.12s}@media(hover:none),(max-width:720px){.tooltip:after{content:none}}.tooltip:after{max-width:min(60vw,320px);white-space:normal;overflow-wrap:anywhere}.page{min-height:100vh;background:var(--surface-canvas)}.shell{width:100%;max-width:1720px;margin-inline:auto;padding-inline:clamp(1.15rem,4vw,3.5rem);padding-block:clamp(1.5rem,3.5vw,3rem) clamp(2.5rem,5vw,4rem)}#app>.page{min-height:0}#app>.page>.shell{padding-block-end:0}.page--static{min-height:0}.page--static .shell{padding-block-start:0}.site-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);margin-bottom:clamp(1.5rem,3vw,2.25rem)}.site-header__mark{display:flex;align-items:center;gap:var(--space-3);min-width:0}.site-header__logo{width:40px;height:40px;border-radius:var(--radius-sm);overflow:hidden;line-height:0;box-shadow:var(--shadow-md);flex-shrink:0}.site-header__logo img{display:block;width:100%;height:100%}.site-header h1,.site-header__brand{display:block;font-size:clamp(19px,2.4vw,23px);font-weight:700;letter-spacing:var(--track-heading);line-height:1.1;color:var(--text-primary)}.site-header__sub{display:block;margin-top:3px;color:var(--text-secondary);font-size:13.5px}.site-header__actions{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0}a.site-header__mark{text-decoration:none;color:inherit}.site-tools{display:inline-flex;align-items:center;gap:0;padding:0;border-radius:var(--radius-sm);background:var(--surface-sunken);box-shadow:inset 0 0 0 1px var(--surface-border)}.site-tools__link{padding:8px 14px;border-radius:0;font-family:var(--font-mono);font-size:13.5px;font-weight:500;letter-spacing:var(--track-chrome);color:var(--text-secondary);text-decoration:none;white-space:nowrap;transition:background-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.site-tools__link+.site-tools__link{border-left:1px solid var(--surface-border)}.site-tools__link:hover{color:var(--text-primary);background:var(--surface-hover)}.site-tools__link--active{background:var(--surface-card);color:var(--text-primary);font-weight:600;box-shadow:inset 0 -3px 0 var(--signal)}.site-tools__link--section{color:var(--text-primary);box-shadow:inset 0 -3px 0 var(--brand-soft-strong)}@media(max-width:560px){.site-tools__link{padding:7px 10px;font-size:12px}}@media(max-width:430px){.site-header__actions{gap:var(--space-2)}.site-tools__link{padding:7px 6px;font-size:11.5px;letter-spacing:0}}.site-nav{display:flex;align-items:center;gap:var(--space-1)}.site-nav a{padding:7px 9px;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:11.5px;font-weight:400;letter-spacing:var(--track-chrome);color:var(--text-tertiary);text-decoration:none;white-space:nowrap;transition:color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard)}.site-nav a:hover{color:var(--text-primary);background:var(--surface-hover)}.site-nav a[aria-current=page]{color:var(--brand-text);background:var(--brand-soft)}@media(max-width:860px){.site-nav{display:none}}.lookup-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:7px 11px;min-height:32px;border:1px solid var(--surface-border);background:var(--surface-card);color:var(--text-secondary);font-family:var(--font-mono);font-size:12.5px;letter-spacing:var(--track-chrome);cursor:pointer;transition:color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.lookup-btn:hover{color:var(--text-primary);border-color:var(--surface-border-strong)}.lookup-btn__kbd{font-family:var(--font-mono);font-size:10.5px;padding:2px 5px;border:1px solid var(--surface-border);color:var(--text-tertiary)}@media(max-width:900px){.lookup-btn__text,.lookup-btn__kbd{display:none}.lookup-btn{padding:7px 9px}}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);border:1px solid var(--surface-border);background:var(--surface-card);color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow-sm);transition:background-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),transform var(--duration-instant) var(--ease-standard)}.theme-toggle:hover{color:var(--text-primary);border-color:var(--surface-border-strong)}.theme-toggle:active{transform:scale(.94)}.theme-toggle svg{transition:transform var(--duration-base) var(--ease-out)}.tab-bar{display:flex;max-width:100%;padding:0;background:var(--surface-sunken);border:1px solid var(--surface-border);border-radius:0;gap:0;overflow-x:auto;scrollbar-width:none}.tab-bar::-webkit-scrollbar{display:none}.tab-bar__btn{display:inline-flex;align-items:center;gap:7px;border:none;background:transparent;padding:9px 16px;border-radius:0;box-shadow:inset 0 -2px 0 transparent;font-family:var(--font-mono);font-size:13px;font-weight:400;letter-spacing:var(--track-chrome);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.tab-bar__btn:hover{color:var(--text-primary)}.tab-bar__btn--active{background:var(--surface-card);color:var(--text-primary);font-weight:600;box-shadow:inset 0 -2px 0 var(--signal)}.tab-bar__btn:not(.tab-bar__btn--active):hover{background:var(--surface-hover);color:var(--text-primary)}.tool-intro{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4) var(--space-5);margin-bottom:var(--space-5);background:var(--surface-sunken);border:1px solid var(--surface-border);border-radius:var(--radius-md);box-shadow:none}.tool-intro__icon{flex-shrink:0;width:34px;height:34px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand-text)}.tool-intro__body h2{font-size:15px;font-weight:650;margin-bottom:2px}.tool-intro__body p{font-size:13.5px;color:var(--text-secondary);line-height:1.55}.tool-intro__body strong{color:var(--text-primary);font-weight:600}.workspace{display:grid;gap:var(--space-5);align-items:start}.workspace__aside,.workspace__main{min-width:0}@media(min-width:1040px){.workspace{grid-template-columns:minmax(360px,440px) minmax(0,1fr);gap:clamp(1.5rem,2.5vw,2.5rem)}.workspace__aside--sticky{position:sticky;top:var(--space-5)}}@media(min-width:1200px){.workspace--wide{grid-template-columns:minmax(420px,520px) minmax(0,1fr)}}.stack{display:flex;flex-direction:column;gap:var(--space-5)}.section{min-width:0}.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-3);flex-wrap:wrap}.section__title{font-family:var(--font-mono);font-size:12.5px;font-weight:600;text-transform:lowercase;letter-spacing:var(--track-chrome);color:var(--text-primary)}.section__desc{margin-top:3px;font-size:13px;color:var(--text-secondary)}.toolbar{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.status-strip{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-5);margin-top:var(--space-4);padding:8px var(--space-4);border:1px solid var(--surface-border);background:var(--surface-sunken);font-family:var(--font-mono);font-size:11.5px;letter-spacing:var(--track-chrome);color:var(--text-secondary)}.status-strip__item{white-space:nowrap}.status-strip__item--attention{color:var(--danger)}.site-footer{margin-top:clamp(2.5rem,5vw,4rem);padding-top:var(--space-5);border-top:1px solid var(--surface-border);display:flex;flex-direction:column;gap:var(--space-4);font-size:12.5px;color:var(--text-tertiary)}.site-footer__nav{display:flex;flex-wrap:wrap;gap:var(--space-2) var(--space-5)}.site-footer__nav a{color:var(--text-secondary);text-decoration:none;font-weight:600;transition:color var(--duration-fast) var(--ease-standard)}.site-footer__nav a:hover,.site-footer__nav a[aria-current=page]{color:var(--brand-text)}.site-footer__meta{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2) var(--space-4);flex-wrap:wrap}@media(max-width:560px){.tab-bar{display:flex;width:100%}.tab-bar__btn{flex:1 1 0;justify-content:center;text-align:center;padding:10px 8px}}@media(max-width:400px){.site-header__sub{display:none}}@media(max-width:720px){.site-header{flex-wrap:wrap;row-gap:var(--space-3)}.site-header__actions{flex-shrink:1;flex-wrap:wrap;min-width:0;width:100%;justify-content:space-between}.site-nav,.site-tools{flex-wrap:wrap;min-width:0}}.site-nav a,.site-tools__link,.site-footer__nav a,.backlink{display:inline-flex;align-items:center;min-height:24px}.companions{margin-top:clamp(2.5rem,5vw,4rem);padding-top:var(--space-5);border-top:1px solid var(--surface-border)}.companions__heading{font-family:var(--font-mono);font-size:12.5px;font-weight:600;text-transform:lowercase;letter-spacing:var(--track-chrome);color:var(--text-tertiary);margin-bottom:var(--space-3)}.companions__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-3)}.companion{display:flex;flex-direction:column;gap:5px;padding:var(--space-4);border:1px solid var(--surface-border-strong);background:var(--surface-card);text-decoration:none;transition:background-color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.companion:hover{background:var(--surface-hover);border-color:var(--text-tertiary)}.companion__eyebrow{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:var(--track-eyebrow);text-transform:lowercase;color:var(--text-tertiary)}.companion__title{font-size:16px;font-weight:600;letter-spacing:var(--track-heading);color:var(--text-primary)}.companion:hover .companion__title{color:var(--brand-text)}.companion__body{font-size:13px;line-height:1.55;color:var(--text-secondary)}.site-footer__group{display:flex;flex-direction:column;gap:6px;min-width:0}.site-footer__label{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:var(--track-eyebrow);text-transform:lowercase;color:var(--text-tertiary)}.site-footer__nav--grouped{gap:var(--space-4) clamp(2rem,6vw,4rem)}.section-nav{display:flex;align-items:stretch;gap:var(--space-4);flex-wrap:wrap;margin-bottom:var(--space-5)}.section-nav .tab-bar{flex:0 1 auto}.section-nav__tools{display:flex;align-items:stretch;overflow-x:auto;scrollbar-width:none;background:var(--surface-sunken);border:1px solid var(--surface-border);flex:0 1 auto}.section-nav__tools::-webkit-scrollbar{display:none}.section-nav__tool{display:inline-flex;align-items:center;padding:9px 16px;box-shadow:inset 0 -2px 0 transparent;font-family:var(--font-mono);font-size:13px;letter-spacing:var(--track-chrome);color:var(--text-secondary);text-decoration:none;white-space:nowrap;transition:color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.section-nav__tool:hover{background:var(--surface-hover);color:var(--text-primary)}.section-nav__refs{display:flex;align-items:stretch;gap:0;background:var(--surface-sunken);border:1px solid var(--surface-border)}.section-nav__ref{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;box-shadow:inset 0 -2px 0 transparent;font-family:var(--font-mono);font-size:13px;letter-spacing:var(--track-chrome);color:var(--text-secondary);text-decoration:none;white-space:nowrap;transition:color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard)}.section-nav__ref+.section-nav__ref{border-left:1px solid var(--surface-border)}.section-nav__ref:hover{color:var(--text-primary);background:var(--surface-hover)}.section-nav__ref--current{background:var(--surface-card);color:var(--text-primary);font-weight:600;box-shadow:inset 0 -2px 0 var(--signal)}.section-nav__icon{color:var(--text-tertiary);flex-shrink:0}.section-nav__ref:hover .section-nav__icon,.section-nav__ref--current .section-nav__icon{color:var(--signal)}@media(max-width:620px){.section-nav{flex-direction:column;gap:var(--space-2)}.section-nav__refs{width:100%}.section-nav__ref{flex:1 1 0;justify-content:center}}.hero{margin-bottom:clamp(1.25rem,2.5vw,1.75rem)}.hero__title{font-size:clamp(25px,3.6vw,36px);font-weight:750;letter-spacing:var(--track-display);line-height:1.15;color:var(--text-primary);text-wrap:balance}.hero__lead{max-width:78ch;margin-top:var(--space-3);font-size:clamp(14.5px,1.4vw,16.5px);line-height:1.6;color:var(--text-secondary);text-wrap:pretty}.hero__features{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15.5rem),1fr));gap:var(--space-2) var(--space-4);margin-top:var(--space-4);padding:0;list-style:none}.hero__feature{position:relative;padding-left:1.15rem;font-size:13.5px;line-height:1.55}.hero__feature:before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;border-radius:0;background:var(--text-tertiary)}.hero__feature-name{font-weight:650;color:var(--text-primary)}.hero__feature-name:after{content:": ";font-weight:400;color:var(--text-tertiary)}.hero__feature-detail{color:var(--text-secondary)}.hero__crosslinks{margin-top:var(--space-4);font-size:13.5px;color:var(--text-secondary)}.hero__crosslinks a{font-weight:600}.tool-tab[hidden]{display:none!important}.input-panel{background:var(--surface-card);border:1px solid var(--surface-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow var(--duration-base) var(--ease-standard),border-color var(--duration-base) var(--ease-standard)}.input-panel:focus-within{box-shadow:var(--shadow-md),var(--focus-ring);border-color:var(--brand)}.input-panel__editor{display:flex;height:clamp(200px,34vh,340px);position:relative}.input-panel__gutter{flex:0 0 36px;overflow:hidden;padding:15px 0;background:var(--surface-sunken);border-right:1px solid var(--surface-border)}.input-panel__gutter-row{height:25px;display:flex;align-items:center;justify-content:center}.input-panel__stack{position:relative;flex:1;min-width:0;display:flex}.input-panel__textarea,.input-panel__mirror{padding:15px 16px;font-family:var(--font-mono);font-size:14px;line-height:25px;letter-spacing:0;white-space:pre;tab-size:8}.input-panel__textarea{flex:1;min-width:0;border:none;outline:none;resize:none;overflow:auto;color:var(--text-primary);background:transparent;min-height:100%}.input-panel__mirror{position:absolute;inset:0;overflow:hidden;pointer-events:none;color:var(--text-primary)}.input-panel__mirror-row{height:25px}.input-panel__mirror-plain{color:var(--text-primary)}.input-panel__textarea--mirrored{color:transparent;caret-color:var(--signal);position:relative;z-index:1}.input-panel__textarea--mirrored::selection{background:var(--selection-bg);color:transparent}.input-panel__textarea--plain{min-height:clamp(160px,26vh,280px);resize:vertical}.input-panel__textarea::placeholder{color:var(--text-tertiary)}.input-panel__footer{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:10px 16px;border-top:1px solid var(--surface-border);background:var(--surface-sunken);font-size:12.5px;color:var(--text-secondary)}.input-panel__hint code{background:var(--surface-inset);color:var(--text-secondary);padding:1px 6px;border-radius:5px;font-size:11.5px;font-family:var(--font-mono)}.input-panel__summary{font-weight:600;white-space:nowrap;color:var(--text-primary)}.dot{width:17px;height:17px;border-radius:var(--radius-full);display:inline-flex;align-items:center;justify-content:center;color:#fff;transition:background-color var(--duration-fast) var(--ease-standard)}.dot--empty{background:transparent}.dot--incomplete{width:6px;height:6px;background:var(--surface-border-strong)}.dot--invalid{background:var(--danger)}.dot--valid{background:var(--success)}.addr{font-family:var(--font-mono);font-variant-numeric:tabular-nums;white-space:nowrap}.addr__network{color:var(--syn-network);font-weight:600}.addr__host{color:var(--syn-host);font-weight:400}.addr__boundary{color:var(--syn-network);font-weight:600;text-decoration:underline dotted var(--syn-prefix);text-underline-offset:3px;text-decoration-thickness:1px}.addr__prefix{color:var(--syn-prefix);font-weight:600}.syn-legend{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-4);font-family:var(--font-mono);font-size:11.5px;color:var(--text-tertiary)}.syn-legend__item{display:inline-flex;align-items:center;gap:6px}.syn-legend__swatch{font-weight:600}.syn-legend__swatch--network{color:var(--syn-network)}.syn-legend__swatch--boundary{color:var(--syn-network);text-decoration:underline dotted var(--syn-prefix);text-underline-offset:3px}.syn-legend__swatch--host{color:var(--syn-host)}.syn-legend__swatch--prefix{color:var(--syn-prefix)}.results-empty{border:1px dashed var(--surface-border-strong);border-radius:var(--radius-lg);padding:clamp(2rem,5vw,3.5rem) var(--space-5);text-align:center;color:var(--text-tertiary);font-size:14px;background:color-mix(in srgb,var(--surface-card) 55%,transparent)}.results-table-wrap{background:var(--surface-card);border:1px solid var(--surface-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow-x:auto}.results-table{width:100%;min-width:720px;border-collapse:collapse;font-size:13.5px}.results-table thead th{text-align:left;font-family:var(--font-mono);font-size:11.5px;font-weight:400;text-transform:lowercase;letter-spacing:var(--track-chrome);color:var(--text-tertiary);padding:10px 15px;background:var(--surface-sunken);border-bottom:1px solid var(--surface-border);white-space:nowrap}.results-row__toggle{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;padding:0;border:1px solid transparent;background:transparent;color:var(--text-tertiary);cursor:pointer}.results-row__toggle:hover{color:var(--text-primary);border-color:var(--surface-border)}.results-table__col-chevron{width:34px}.results-table__col-actions{width:48px}.results-row{transition:background-color var(--duration-fast) var(--ease-standard)}.results-table--expandable .results-row{cursor:pointer}.results-table--expandable .results-row:hover{background-color:var(--surface-hover)}.results-row td{padding:11px 15px;border-bottom:1px solid var(--surface-border);vertical-align:middle;color:var(--text-primary)}.results-row:last-child td,.results-detail-row:last-child td{border-bottom:none}.results-row__cidr{font-weight:650}.results-row__range{color:var(--text-secondary);white-space:normal;min-width:190px}.results-row__chevron{color:var(--text-tertiary)}.chevron{transition:transform var(--duration-fast) var(--ease-standard)}.chevron--open{transform:rotate(180deg)}.results-row__actions{text-align:right}.results-detail-row td{padding:0;border-bottom:1px solid var(--surface-border);background:var(--surface-sunken)}.row-detail{padding:var(--space-4) var(--space-5) var(--space-5)}.row-detail__grid{margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--space-4) var(--space-5)}.row-detail__field dt{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-tertiary);margin-bottom:3px}.row-detail__field dd{margin:0;font-size:13.5px;color:var(--text-primary)}.row-detail__note{margin-top:var(--space-4);padding:var(--space-3) var(--space-4);background:color-mix(in srgb,var(--warning) 12%,transparent);color:color-mix(in srgb,var(--warning),var(--text-primary) 25%);border-radius:var(--radius-md);font-size:12.5px;line-height:1.55}.row-detail__copyrow{margin-top:var(--space-4);display:flex;align-items:center;gap:var(--space-2);font-size:12.5px;color:var(--text-secondary)}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}@media(max-width:640px){.results-table-wrap{overflow:visible;border:none;background:transparent;box-shadow:none;border-radius:0}.results-table{min-width:0;width:100%}.results-table,.results-table tbody{display:block}.results-table thead{display:none}.results-row{display:flex;flex-direction:column;position:relative;background:var(--surface-card);border:1px solid var(--surface-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:4px 15px 6px;margin-bottom:12px}.results-row td{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:9px 0;border-bottom:1px solid var(--surface-border);text-align:right;min-width:0}.results-row td:last-child{border-bottom:none}.results-row td[data-label]:before{content:attr(data-label);flex:0 0 auto;text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-tertiary)}.results-row td.mono{overflow-wrap:anywhere}.results-row__cidr{order:-1;justify-content:flex-start;font-size:15px;font-weight:650;padding:8px 82px 10px 0;border-bottom:1px solid var(--surface-border);overflow-wrap:anywhere}.results-row__range{min-width:0}.results-row__chevron{position:absolute;top:13px;right:46px;width:auto;padding:0;border-bottom:none}.results-row__actions{position:absolute;top:10px;right:12px;padding:0;border-bottom:none}.results-detail-row{display:block;margin:-6px 0 12px}.results-detail-row td{display:block;padding:0;border:none}.results-detail-row .row-detail{padding:var(--space-4);background:var(--surface-sunken);border:1px solid var(--surface-border);border-radius:var(--radius-lg)}.row-detail__grid{grid-template-columns:1fr 1fr;gap:var(--space-3) var(--space-4)}}@media(max-width:380px){.row-detail__grid{grid-template-columns:1fr}}.pools{margin-top:var(--space-7);padding-top:var(--space-6);border-top:1px solid var(--surface-border)}.pools__head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap;margin-bottom:var(--space-5)}.pools__title{font-size:clamp(19px,2.2vw,23px);font-weight:600;letter-spacing:var(--track-heading);line-height:1.2;color:var(--text-primary)}.pools__lead{margin-top:var(--space-2);max-width:68ch;font-size:14px;color:var(--text-secondary)}.pools__filter{display:inline-flex;border:1px solid var(--surface-border);background:var(--surface-sunken);flex-shrink:0}.pools__filter-btn{appearance:none;border:0;background:transparent;padding:7px 14px;min-height:32px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:var(--track-chrome);color:var(--text-secondary);cursor:pointer;transition:background-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.pools__filter-btn+.pools__filter-btn{border-left:1px solid var(--surface-border)}.pools__filter-btn:hover{color:var(--text-primary)}.pools__filter-btn--active{background:var(--surface-card);color:var(--text-primary);font-weight:600;box-shadow:inset 0 -2px 0 var(--signal)}.pools__group+.pools__group{margin-top:var(--space-6)}.pools__group-title{font-family:var(--font-mono);font-size:12.5px;font-weight:600;text-transform:lowercase;letter-spacing:var(--track-chrome);color:var(--text-primary);margin-bottom:var(--space-2)}.pools__table-wrap{border:1px solid var(--surface-border);background:var(--surface-card);overflow-x:auto}.pools__table{width:100%;min-width:700px;border-collapse:collapse;font-size:13px}.pools__table thead th{text-align:left;font-family:var(--font-mono);font-size:11.5px;font-weight:400;text-transform:lowercase;letter-spacing:var(--track-chrome);color:var(--text-tertiary);padding:8px 14px;background:var(--surface-sunken);border-bottom:1px solid var(--surface-border);white-space:nowrap}.pools__table td,.pools__table tbody th{padding:10px 14px;border-bottom:1px solid var(--surface-border);vertical-align:top;text-align:left;font-weight:400}.pools__table tbody tr:last-child td,.pools__table tbody tr:last-child th{border-bottom:0}.pools__table tbody tr:hover{background:var(--surface-hover)}.pools__cell-block{white-space:nowrap;width:1%}.pools__use{appearance:none;border:1px solid transparent;background:transparent;padding:2px 6px;margin:-2px -6px;min-height:24px;font:inherit;text-align:left;cursor:pointer;transition:background-color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.pools__use:hover{background:var(--brand-soft);border-color:color-mix(in srgb,var(--signal) 35%,transparent)}.pools__cell-count{font-family:var(--font-mono);font-size:12px;font-variant-numeric:tabular-nums;color:var(--text-secondary);white-space:nowrap}.pools__cell-use{min-width:24ch}.pools__name{display:block;font-size:12.5px;font-weight:600;color:var(--text-primary)}.pools__use-text{display:block;margin-top:2px;font-size:12.5px;line-height:1.5;color:var(--text-secondary)}.pools__cell-ref{white-space:nowrap}.pools__rfc{display:block;font-family:var(--font-mono);font-size:11.5px;color:var(--text-secondary)}.pools__reach{display:block;margin-top:3px;font-family:var(--font-mono);font-size:11px}.pools__reach--yes{color:var(--success)}.pools__reach--no{color:var(--text-tertiary)}.pools__reach--varies{color:var(--warning)}@media(max-width:620px){.pools__head{flex-direction:column}.pools__table-wrap{overflow-x:visible}.pools__table,.pools__table tbody,.pools__table tbody tr,.pools__table tbody td,.pools__table tbody th{display:block;width:auto}.pools__table{min-width:0}.pools__table thead{display:none}.pools__table tbody tr{padding:12px 14px;border-bottom:1px solid var(--surface-border)}.pools__table tbody tr:last-child{border-bottom:0}.pools__table tbody td,.pools__table tbody th{padding:0;border-bottom:0;white-space:normal}.pools__cell-block{font-size:14px}.pools__cell-count{margin-top:3px}.pools__cell-count:after{content:" addresses";color:var(--text-tertiary)}.pools__cell-use{margin-top:7px;min-width:0}.pools__cell-ref{margin-top:7px;display:flex;align-items:baseline;gap:var(--space-3)}.pools__rfc,.pools__reach{display:inline;margin-top:0}}.ports{margin-top:var(--space-7);padding-top:var(--space-6);border-top:1px solid var(--surface-border);scroll-margin-top:var(--space-5)}.ports__title{font-size:clamp(19px,2.2vw,23px);font-weight:600;letter-spacing:var(--track-heading);line-height:1.2;color:var(--text-primary)}.ports__lead{margin-top:var(--space-2);max-width:68ch;font-size:14px;color:var(--text-secondary)}.ports__controls{display:flex;flex-direction:column;gap:var(--space-3);margin:var(--space-5) 0 var(--space-3)}.ports__search-label{display:block;font-family:var(--font-mono);font-size:11.5px;color:var(--text-tertiary);margin-bottom:5px}.ports__search-field{display:flex;align-items:center;gap:var(--space-2);max-width:420px;padding:0 var(--space-3);border:1px solid var(--surface-border-strong);background:var(--surface-card)}.ports__search-field:focus-within{border-color:var(--signal);box-shadow:var(--focus-ring)}.ports__search-icon{flex:none;color:var(--text-tertiary)}.ports__search-input{flex:1;min-width:0;border:0;outline:none;background:transparent;padding:9px 0;font-family:var(--font-mono);font-size:13.5px;color:var(--text-primary)}.ports__search-input::placeholder{color:var(--text-tertiary)}.ports__search-input::-webkit-search-cancel-button{appearance:none}.ports__search-clear{flex:none;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border:0;background:transparent;color:var(--text-tertiary);cursor:pointer}.ports__search-clear:hover{color:var(--text-primary)}.ports__cats{display:flex;flex-wrap:wrap;gap:4px}.ports__cat{appearance:none;border:1px solid var(--surface-border);background:var(--surface-card);color:var(--text-secondary);padding:5px 10px;min-height:26px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:var(--track-chrome);cursor:pointer;transition:background-color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.ports__cat:hover{color:var(--text-primary);border-color:var(--surface-border-strong)}.ports__cat--active{background:var(--text-primary);border-color:var(--text-primary);color:var(--surface-canvas)}.ports__count{font-family:var(--font-mono);font-size:11.5px;color:var(--text-tertiary);margin-bottom:var(--space-4)}.ports__empty{border:1px dashed var(--surface-border-strong);padding:var(--space-5);color:var(--text-secondary);font-size:13.5px;margin-bottom:var(--space-5)}.ports__suggest{appearance:none;border:1px solid var(--surface-border-strong);background:var(--surface-sunken);color:var(--text-primary);font-family:var(--font-mono);font-size:12.5px;padding:1px 6px;min-height:24px;cursor:pointer}.ports__suggest:hover{border-color:var(--signal)}.ports__group+.ports__group{margin-top:var(--space-6)}.ports__group{scroll-margin-top:var(--space-5)}.ports__group-title{display:flex;align-items:center;gap:var(--space-2);font-family:var(--font-mono);font-size:12.5px;font-weight:600;text-transform:lowercase;letter-spacing:var(--track-chrome);color:var(--text-primary);margin-bottom:var(--space-2)}.ports__group-count{font-weight:400;font-size:11px;color:var(--text-tertiary);border:1px solid var(--surface-border);padding:1px 6px}.ports__table-wrap{border:1px solid var(--surface-border);background:var(--surface-card);overflow-x:auto}.ports__table{width:100%;min-width:640px;border-collapse:collapse;font-size:13px}.ports__table thead th{text-align:left;font-family:var(--font-mono);font-size:11.5px;font-weight:400;text-transform:lowercase;letter-spacing:var(--track-chrome);color:var(--text-tertiary);padding:8px 14px;background:var(--surface-sunken);border-bottom:1px solid var(--surface-border);white-space:nowrap}.ports__table td,.ports__table tbody th{padding:10px 14px;border-bottom:1px solid var(--surface-border);vertical-align:top;text-align:left;font-weight:400;color:inherit}.ports__table tbody tr:last-child td,.ports__table tbody tr:last-child th{border-bottom:0}.ports__table tbody tr:hover{background:var(--surface-hover)}.ports__cell-num{font-family:var(--font-mono);font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap;width:1%;color:var(--text-primary)}.ports__cell-proto{width:1%;white-space:nowrap}.port-proto{display:inline-block;font-family:var(--font-mono);font-size:10.5px;padding:2px 6px;border:1px solid var(--surface-border-strong);color:var(--text-secondary);white-space:nowrap}.port-proto--udp{border-color:color-mix(in srgb,var(--k-multicast) 45%,transparent);color:var(--k-multicast)}.ports__cell-service{min-width:16ch}.ports__service{display:block;font-family:var(--font-mono);font-size:12.5px;color:var(--text-primary)}.ports__iana{display:block;margin-top:2px;font-size:11.5px;line-height:1.45;color:var(--text-tertiary)}.ports__unregistered{font-family:var(--font-mono);font-size:11.5px;color:var(--text-tertiary)}.ports__cell-use{min-width:22ch}.ports__common{display:block;font-size:13px;font-weight:600;color:var(--text-primary)}.ports__tag{display:inline-block;margin-left:var(--space-2);font-family:var(--font-mono);font-size:10px;font-weight:400;padding:1px 5px;vertical-align:1px;white-space:nowrap}.ports__tag--unofficial{color:var(--warning);border:1px solid color-mix(in srgb,var(--warning) 45%,transparent)}.ports__warn{display:flex;align-items:flex-start;gap:5px;margin-top:4px;font-size:11.5px;line-height:1.45;color:var(--danger)}.ports__warn svg{flex:none;margin-top:2px}.ports__note{display:block;margin-top:4px;font-size:11.5px;line-height:1.45;color:var(--text-secondary)}.ports__source{margin-top:var(--space-5);font-size:12.5px;color:var(--text-tertiary);max-width:70ch}@media(max-width:620px){.ports__table-wrap{overflow-x:visible}.ports__table,.ports__table tbody,.ports__table tbody tr,.ports__table tbody td,.ports__table tbody th{display:block;width:auto}.ports__table{min-width:0}.ports__table thead{display:none}.ports__table tbody tr{display:grid;grid-template-columns:auto auto 1fr;grid-template-areas:"num proto use" "service service service";gap:2px var(--space-2);align-items:baseline;padding:12px 14px;border-bottom:1px solid var(--surface-border)}.ports__table tbody tr:last-child{border-bottom:0}.ports__table tbody td,.ports__table tbody th{padding:0;border-bottom:0}.ports__cell-num{grid-area:num}.ports__cell-proto{grid-area:proto}.ports__cell-use{grid-area:use;min-width:0}.ports__cell-service{grid-area:service;margin-top:5px;min-width:0}.ports__search-field{max-width:none}}.qlk{padding:0;border:0;background:transparent;max-width:100vw;max-height:100vh;width:100%;height:100%;overscroll-behavior:contain}.qlk::backdrop{background:color-mix(in srgb,#000 55%,transparent)}.qlk__panel{width:min(620px,calc(100vw - 2rem));margin:min(12vh,96px) auto 0;background:var(--surface-card);border:1px solid var(--surface-border-strong);box-shadow:0 24px 64px #00000047;display:flex;flex-direction:column;max-height:min(70vh,560px)}.qlk__field{display:flex;align-items:center;gap:var(--space-3);padding:0 var(--space-4);border-bottom:1px solid var(--surface-border);flex:none}.qlk__icon{color:var(--text-tertiary);flex:none}.qlk__input{flex:1;min-width:0;border:0;outline:none;background:transparent;padding:15px 0;font-family:var(--font-mono);font-size:15px;color:var(--text-primary)}.qlk__input::placeholder{color:var(--text-tertiary)}.qlk__input::-webkit-search-cancel-button{appearance:none}.qlk__close{flex:none;appearance:none;border:1px solid var(--surface-border);background:transparent;color:var(--text-tertiary);font-family:var(--font-mono);font-size:11px;padding:4px 8px;min-height:24px;cursor:pointer}.qlk__close:hover{color:var(--text-primary);border-color:var(--surface-border-strong)}.qlk__results{overflow-y:auto;overscroll-behavior:contain;padding:var(--space-2)}.qlk__hint{padding:var(--space-4);font-size:13px;color:var(--text-tertiary);line-height:1.6}.qlk__hint b{font-family:var(--font-mono);font-weight:400;color:var(--text-secondary)}.qlk__hit{display:flex;align-items:baseline;gap:var(--space-3);width:100%;text-align:left;appearance:none;border:0;background:transparent;padding:9px var(--space-3);min-height:38px;cursor:pointer;color:var(--text-primary)}.qlk__hit--active{background:var(--surface-hover);box-shadow:inset 2px 0 0 var(--signal)}.qlk__badge{font-family:var(--font-mono);font-size:10px;padding:1px 5px;border:1px solid var(--surface-border-strong);color:var(--text-tertiary);flex:none}.qlk__num{font-family:var(--font-mono);font-size:13.5px;font-weight:600;font-variant-numeric:tabular-nums;flex:none}.qlk__proto{font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary);flex:none}.qlk__label{font-size:13px;color:var(--text-secondary);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qlk__flag{font-family:var(--font-mono);font-size:10px;color:var(--danger);flex:none}@media(max-width:620px){.qlk__panel{margin-top:6vh;max-height:82vh}.qlk__proto{display:none}}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:11px;font-weight:400;letter-spacing:var(--track-chrome);white-space:nowrap;line-height:1.5;text-transform:lowercase;background:color-mix(in srgb,var(--k) var(--badge-tint),transparent);color:color-mix(in srgb,var(--k),var(--text-primary) var(--badge-text-blend));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--k) 45%,transparent)}.badge--public{--k: var(--k-public)}.badge--private{--k: var(--k-private)}.badge--loopback{--k: var(--k-loopback)}.badge--link-local{--k: var(--k-link-local)}.badge--multicast{--k: var(--k-multicast)}.badge--documentation{--k: var(--k-documentation)}.badge--carrier-grade-nat{--k: var(--k-carrier-grade-nat)}.badge--reserved,.badge--unspecified,.badge--benchmarking{--k: var(--k-reserved)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:var(--radius-sm);border:1px solid transparent;background:transparent;color:var(--text-tertiary);cursor:pointer;transition:background-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),transform var(--duration-instant) var(--ease-standard)}.icon-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.icon-btn:active{transform:scale(.9)}.icon-btn--success{color:var(--success)}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:var(--radius-md);border:1px solid var(--surface-border-strong);background:var(--surface-card);color:var(--text-primary);font-family:var(--font-mono);font-size:12.5px;font-weight:400;letter-spacing:var(--track-chrome);cursor:pointer;box-shadow:var(--shadow-sm);transition:background-color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),transform var(--duration-instant) var(--ease-standard)}.btn:hover{background:var(--surface-hover);border-color:var(--text-tertiary)}.btn:active{transform:scale(.97)}.btn--primary{background:var(--text-primary);border-color:var(--text-primary);color:var(--surface-canvas);font-weight:600;box-shadow:none}.btn--primary:hover{background:color-mix(in srgb,var(--text-primary) 86%,var(--surface-canvas));border-color:color-mix(in srgb,var(--text-primary) 86%,var(--surface-canvas));color:var(--surface-card)}.btn--ghost{border-color:transparent;background:transparent;box-shadow:none;color:var(--brand-text)}.btn--ghost:hover{background:var(--brand-soft);border-color:transparent}.btn svg{flex-shrink:0}.tool-panel{display:flex;flex-direction:column}.text-input{width:100%;border:1px solid var(--surface-border-strong);background:var(--surface-card);border-radius:var(--radius-md);padding:10px 13px;font-size:13.5px;color:var(--text-primary);transition:border-color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-standard)}.text-input::placeholder{color:var(--text-tertiary)}.text-input:focus{outline:none;border-color:var(--brand);box-shadow:var(--focus-ring)}.field-error{margin-top:var(--space-2);font-size:12.5px;color:var(--danger)}.seg-field{margin-bottom:var(--space-4)}.seg-label{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary);margin-bottom:var(--space-2)}.seg{display:flex;width:100%;padding:4px;gap:3px;background:var(--surface-inset);border:1px solid var(--surface-border);border-radius:var(--radius-md)}.seg__btn{flex:1 1 0;border:none;background:transparent;padding:9px 10px;border-radius:calc(var(--radius-md) - 4px);font-size:13px;font-weight:600;line-height:1.25;color:var(--text-secondary);cursor:pointer;transition:background-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-standard)}.seg__btn:hover{color:var(--text-primary)}.seg__btn--active{background:var(--surface-card);color:var(--text-primary);box-shadow:var(--shadow-sm)}.seg-hint{margin-top:var(--space-2);font-size:12.5px;line-height:1.55;color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.vlsm-requests{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-3)}.vlsm-request-row{display:grid;grid-template-columns:1fr 130px 34px;gap:var(--space-2);align-items:center}.vlsm-request-row__hosts{text-align:right}.aggregate-errors{margin-top:var(--space-2);padding-left:var(--space-4);color:var(--danger);font-size:12.5px;line-height:1.6}.aggregate-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;background:var(--surface-card);border:1px solid var(--surface-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.aggregate-list__item{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:11px 15px;font-size:13.5px;font-weight:600;border-bottom:1px solid var(--surface-border)}.aggregate-list__item span{min-width:0;overflow-wrap:anywhere}.aggregate-list__item:last-child{border-bottom:none}@media(max-width:560px){.vlsm-request-row{grid-template-columns:1fr 84px 34px}}.seo{margin-top:clamp(2.5rem,5vw,4rem);padding-top:clamp(1.5rem,3vw,2.25rem);border-top:1px solid var(--surface-border)}.seo__inner{max-width:74ch}.seo h1,.seo .seo__lede{font-size:clamp(19px,2.4vw,24px);font-weight:700;letter-spacing:var(--track-heading);color:var(--text-primary);margin-bottom:var(--space-3)}.seo h2{font-size:16px;font-weight:650;color:var(--text-primary);margin-top:var(--space-5);margin-bottom:var(--space-2)}.seo p{font-size:14.5px;line-height:1.7;color:var(--text-secondary)}.seo code{font-family:var(--font-mono);font-size:12.5px;background:var(--surface-inset);color:var(--text-primary);padding:1px 6px;border-radius:5px;white-space:nowrap}.seo-table-wrap{margin-top:var(--space-3);overflow-x:auto;border:1px solid var(--surface-border);border-radius:var(--radius-md);background:var(--surface-card);box-shadow:var(--shadow-sm)}.seo-table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}.seo-table th{text-align:left;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);background:var(--surface-sunken);padding:8px 14px;border-bottom:1px solid var(--surface-border)}.seo-table td{padding:7px 14px;border-bottom:1px solid var(--surface-border);color:var(--text-secondary)}.seo-table td:first-child{font-family:var(--font-mono);font-size:12.5px;color:var(--text-primary)}.seo-table tr:last-child td{border-bottom:none}.seo-table-wrap{max-width:100%;min-width:0}.seo__inner{min-width:0}.faq{margin-top:clamp(2.25rem,4.5vw,3.5rem);padding-top:clamp(1.5rem,3vw,2.25rem);border-top:1px solid var(--surface-border)}.faq__inner{max-width:80ch}.faq__heading{font-size:clamp(19px,2.4vw,24px);font-weight:700;letter-spacing:-.02em;color:var(--text-primary);margin-bottom:var(--space-4)}.faq__list{display:flex;flex-direction:column;gap:var(--space-2)}.faq__item{background:var(--surface-card);border:1px solid var(--surface-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:border-color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-standard)}.faq__item--open{border-color:color-mix(in srgb,var(--brand) 30%,var(--surface-border));box-shadow:var(--shadow-md)}.faq__q{margin:0;font-size:inherit;font-weight:inherit}.faq__trigger{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);width:100%;padding:clamp(.85rem,1.6vw,1.1rem) clamp(1rem,2vw,1.35rem);background:none;border:0;cursor:pointer;text-align:left;font-family:inherit;font-size:15.5px;font-weight:600;line-height:1.45;color:var(--text-primary);border-radius:var(--radius-md);transition:color var(--duration-fast) var(--ease-standard)}.faq__trigger:hover{color:var(--brand-text)}.faq__trigger:focus-visible{outline:none;box-shadow:var(--focus-ring)}.faq__chevron{flex:none;color:var(--text-tertiary);transition:transform var(--duration-base) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.faq__item--open .faq__chevron{transform:rotate(180deg);color:var(--brand-text)}.faq__panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--duration-base) var(--ease-standard)}.faq__item--open .faq__panel{grid-template-rows:1fr}.faq__panel-inner{overflow:hidden;min-height:0}.faq__panel-inner p{padding:0 clamp(1rem,2vw,1.35rem);font-size:14.5px;line-height:1.7;color:var(--text-secondary)}.faq__panel-inner p:first-child{padding-top:.15rem}.faq__panel-inner p:last-child{padding-bottom:clamp(.95rem,1.8vw,1.2rem)}.faq__panel-inner p+p{margin-top:var(--space-3)}.faq__panel-inner code{font-family:var(--font-mono);font-size:12.5px;background:var(--surface-inset);color:var(--text-primary);padding:1px 6px;border-radius:5px;white-space:nowrap}.faq__panel-inner sup{font-size:.72em}@media(prefers-reduced-motion:reduce){.faq__panel,.faq__chevron,.faq__item{transition:none}}.faq__summary{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:clamp(.85rem,1.6vw,1.1rem) clamp(1rem,2vw,1.35rem);cursor:pointer;list-style:none;font-size:15.5px;font-weight:600;line-height:1.45;color:var(--text-primary);border-radius:var(--radius-md);transition:color var(--duration-fast) var(--ease-standard)}.faq__summary::-webkit-details-marker{display:none}.faq__summary:hover{color:var(--brand-text)}.faq__summary:focus-visible{outline:none;box-shadow:var(--focus-ring)}details.faq__item[open]{border-color:color-mix(in srgb,var(--brand) 30%,var(--surface-border));box-shadow:var(--shadow-md)}details.faq__item[open] .faq__chevron{transform:rotate(180deg);color:var(--brand-text)}.faq__answer{overflow:hidden}.faq__answer p{padding:0 clamp(1rem,2vw,1.35rem);font-size:14.5px;line-height:1.7;color:var(--text-secondary)}.faq__answer p:first-child{padding-top:.15rem}.faq__answer p:last-child{padding-bottom:clamp(.95rem,1.8vw,1.2rem)}.faq__answer p+p{margin-top:var(--space-3)}.faq__answer code{font-family:var(--font-mono);font-size:12.5px;background:var(--surface-inset);color:var(--text-primary);padding:1px 6px;border-radius:5px;white-space:nowrap}@supports (interpolate-size: allow-keywords){:root{interpolate-size:allow-keywords}details.faq__item::details-content{height:0;overflow:clip;transition:height var(--duration-base) var(--ease-standard),content-visibility var(--duration-base) allow-discrete}details.faq__item[open]::details-content{height:auto}@media(prefers-reduced-motion:reduce){details.faq__item::details-content{transition:none}}}@media(max-width:720px){.seo-table th,.results-table th,.mac-table th,.conv-table th,.badge,.tc-cell__label,.tc-field__label,.tc-unit,.stat__label,.section__desc,.hint,.seo code,.prose code{font-size:12px}}*{box-sizing:border-box}html{touch-action:manipulation;-webkit-tap-highlight-color:color-mix(in srgb,var(--signal) 18%,transparent)}:target,h2[id],h3[id]{scroll-margin-top:var(--space-5)}.visually-hidden{position:absolute;left:0;top:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:absolute;left:var(--space-3);top:-100px;z-index:20;padding:10px 16px;background:var(--text-primary);color:var(--surface-canvas);font-family:var(--font-mono);font-size:13px;text-decoration:none;transition:top var(--duration-fast) var(--ease-standard)}.skip-link:focus-visible{top:var(--space-3)}main:focus{outline:none}h1,h2,h3,p,dl,dd,ul{margin:0}textarea,input{font-size:inherit;font-family:inherit}body{margin:0;min-height:100vh;background:var(--surface-canvas);color:var(--text-primary);font-family:var(--font-sans);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:var(--selection-bg)}button{font-family:inherit}a{color:var(--brand-text)}:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-sm)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}