:root{color-scheme:light dark;--navy-950:#041019;--navy-900:#071521;--navy-800:#102a3a;--navy-700:#173b50;--paper:#f6fafb;--ink:#10202c;--muted:#5b6b76;--teal:#2e9f90;--teal-strong:#12695f;--copper:#d87941;--success:#1f8a5b;--warning:#a15c00;--error:#b3261e;--focus:#f3b562;--surface:#fff;--surface-alt:#eef5f6;--border:#c8d7dc;--text:var(--ink);--text-muted:var(--muted);--radius-sm:.5rem;--radius-md:.875rem;--radius-lg:1.25rem;--shadow:0 1rem 3rem #0410191f;--shell:72rem;--font-sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-data:"SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace}@media (prefers-color-scheme:dark){:root{--surface:#0b1c28;--surface-alt:#102a3a;--border:#355063;--text:#eaf2f4;--text-muted:#b4c4cb;--paper:#071521;--ink:#eaf2f4;--muted:#b4c4cb;--teal:#57cbbb;--teal-strong:#7bd8cc;--error:#ffb4ab;--success:#78d6a5;--warning:#ffc06a;--shadow:0 1rem 3rem #00000047}}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);min-width:20rem;color:var(--text);font-family:var(--font-sans);text-rendering:optimizelegibility;margin:0;line-height:1.55}a{color:var(--teal-strong);text-underline-offset:.18em}a:hover{text-decoration-thickness:.14em}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}button,input{font:inherit}button{border-radius:var(--radius-sm);background:var(--teal-strong);color:#fff;cursor:pointer;border:0;min-height:2.75rem;padding:.65rem 1rem;font-weight:750}button:hover{filter:brightness(1.08)}code,pre,input{font-family:var(--font-data);font-variant-numeric:tabular-nums slashed-zero}h1,h2,h3,p{margin-block-start:0}h1{letter-spacing:-.035em;margin-bottom:.75rem;font-size:clamp(2rem,4vw,3.15rem);line-height:1.08}h2{letter-spacing:-.02em;line-height:1.2}.shell{max-width:var(--shell);margin-inline:auto;padding-inline:clamp(1rem,4vw,2rem)}.skip-link{background:var(--surface);z-index:100;padding:.75rem 1rem;position:fixed;top:1rem;left:1rem;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.site-header{background:var(--navy-900);color:#eaf2f4;border-bottom:1px solid #254154}.site-header__inner,.site-footer__inner{justify-content:space-between;align-items:center;gap:1rem;display:flex}.site-header__inner{min-height:4.5rem}.brand{color:#eaf2f4;align-items:center;gap:.65rem;font-size:1.1rem;font-weight:850;text-decoration:none;display:inline-flex}.brand img{border-radius:.65rem}.nav-list{flex-wrap:wrap;gap:.35rem 1rem;margin:0;padding:0;list-style:none;display:flex}.nav-list a,.site-footer a{color:#d9e7eb;font-weight:650}main{min-height:70vh}.page-section{padding-block:clamp(2rem,6vw,4.5rem)}.page-intro{max-width:48rem}.page-intro>p{color:var(--text-muted);font-size:1.1rem}.tool-card,.content-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);max-width:64rem;margin-inline:auto;padding:clamp(1rem,4vw,2rem)}.tool-card__heading,.result-panel__heading{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.eyebrow{color:var(--teal-strong);letter-spacing:.13em;text-transform:uppercase;margin-bottom:.45rem;font-size:.76rem;font-weight:850}.local-badge{background:color-mix(in srgb, var(--teal) 16%, transparent);border:1px solid var(--teal);color:var(--teal-strong);border-radius:999px;flex:none;padding:.35rem .65rem;font-size:.78rem;font-weight:750}.calculator-form{border-block:1px solid var(--border);margin-block:1.5rem;padding-block:1.5rem}.field label{margin-bottom:.25rem;font-weight:800;display:block}.field>p{color:var(--text-muted);margin-bottom:.75rem;font-size:.9rem}.input-action-row{grid-template-columns:minmax(0,1fr) auto;gap:.75rem;display:grid}input{background:var(--surface-alt);border:2px solid var(--border);border-radius:var(--radius-sm);color:var(--text);width:100%;min-height:3rem;padding:.65rem .8rem}input[aria-invalid=true]{border-color:var(--error)}.field-error{min-height:1.4em;font-weight:700;color:var(--error)!important;margin-block:.65rem 0!important}.button-secondary,.copy-button{border:1px solid var(--border);color:var(--text);background:0 0}.result-grid{border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.result-row{grid-template-columns:minmax(8.5rem,.8fr) minmax(0,1.6fr);align-items:center;gap:.75rem;padding:.75rem .9rem;display:grid}.result-row+.result-row{border-top:1px solid var(--border)}.result-row dt{color:var(--text-muted);font-size:.9rem;font-weight:750}.result-row dd{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:.75rem;min-width:0;margin:0;display:grid}.result-row code{overflow-wrap:anywhere}.copy-button{min-height:2.15rem;padding:.35rem .6rem;font-size:.8rem}.advanced-result{border:1px solid var(--border);border-radius:var(--radius-md);margin-top:1rem}.advanced-result summary{cursor:pointer;padding:.9rem;font-weight:800}.advanced-result__body{border-top:1px solid var(--border);padding:1rem}pre{background:var(--navy-950);border-radius:var(--radius-sm);color:#eaf2f4;white-space:pre-wrap;padding:1rem;overflow-x:auto}.reserved-banner{background:repeating-linear-gradient(135deg, var(--surface-alt), var(--surface-alt) 10px, transparent 10px, transparent 20px);border:1px dashed var(--border);border-radius:var(--radius-md);text-align:center;flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:60.625rem;height:6.25rem;margin:1.5rem auto 0;padding:.75rem;display:flex}.reserved-banner span{color:var(--text-muted);letter-spacing:.12em;text-transform:uppercase;font-size:.7rem;font-weight:850}.reserved-banner p{color:var(--text-muted);margin:.25rem 0 0;font-size:.8rem}.reserved-banner--active{background:var(--surface-alt);gap:.25rem;height:7.75rem}.nettoolsmith-ad{width:320px;height:100px;display:block}@media (width>=31.25rem){.nettoolsmith-ad{width:468px;height:60px}}@media (width>=50rem){.nettoolsmith-ad{width:728px;height:90px}}.support-creator{background:var(--navy-900);border-radius:var(--radius-md);color:#eaf2f4;border:1px solid #254154;justify-content:space-between;align-items:center;gap:1.5rem;max-width:60.625rem;margin:2.5rem auto 0;padding:clamp(1rem,4vw,1.5rem);display:flex}.support-creator h2,.support-creator p{margin-bottom:0}.support-creator .eyebrow{color:#7bd8cc;margin-bottom:.3rem}.support-creator>div>p:last-child{color:#b9cbd2;margin-top:.35rem}.support-actions{flex:none;align-items:stretch;gap:.75rem;display:flex}.support-button{background:var(--copper);border:1px solid var(--copper);border-radius:var(--radius-sm);color:#101820;justify-content:center;align-items:center;min-height:2.875rem;padding:.75rem 1rem;font-weight:850;text-decoration:none;display:inline-flex}.support-button:hover{filter:brightness(1.08)}.support-button--secondary{background:var(--navy-800);color:#eaf2f4;border-color:#57cbbb}.support-button--secondary:hover{background:var(--navy-700)}.ip-result{background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-md);justify-content:space-between;align-items:center;gap:1rem;min-height:9rem;margin-block:1.5rem;padding:clamp(1rem,4vw,1.5rem);display:flex}.ip-address{font-family:var(--font-data);font-variant-numeric:tabular-nums slashed-zero;overflow-wrap:anywhere;font-size:clamp(1.35rem,4vw,2.3rem);font-weight:800;display:block}.ip-family{color:var(--text-muted);margin:.5rem 0 0}.ip-actions{align-items:center;gap:1rem;min-height:3rem;display:flex}.ip-explanation{border-top:1px solid var(--border);margin-top:1.5rem;padding-top:1.5rem}.ip-explanation p{color:var(--text-muted);max-width:48rem}button:disabled{cursor:not-allowed;opacity:.6}.tool-list{grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1rem;padding:0;list-style:none;display:grid}.tool-list a{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);height:100%;padding:1.1rem;text-decoration:none;display:block}.tool-list a:hover{border-color:var(--teal)}.prose{max-width:48rem}.prose h2{margin-top:2rem}.site-footer{background:var(--navy-900);color:#d9e7eb;margin-top:3rem;padding-block:1.5rem}.site-footer p{margin:0}.site-footer nav{gap:1rem;display:flex}.sr-only{clip:rect(0, 0, 0, 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=42rem){.site-header__inner,.site-footer__inner,.tool-card__heading,.result-panel__heading{flex-direction:column;align-items:stretch}.site-header__inner{padding-block:.75rem}.input-action-row{grid-template-columns:1fr}.result-row{grid-template-columns:minmax(0,1fr)}.result-row dt{grid-column:1/-1}.ip-result,.ip-actions,.support-creator{flex-direction:column;align-items:stretch}.support-actions{flex-direction:column}.support-button{text-align:center}.reserved-banner{max-width:20rem;height:6.25rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}