/* ==========================================================================
   VLSM Calculator page. Enqueued only via is_page('vlsm-calculator'). Self-
   contained per the site's per-page-stylesheet convention: every shared class
   this page's markup uses is fully defined here, not just referenced.
   ========================================================================== */

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ==========================================================================
   Shared control primitives
   ========================================================================== */
.subnet-field label{display:block;font-size:12.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.subnet-field input,.subnet-field select{width:100%;height:52px;padding:0 16px;border:1px solid var(--border);border-radius:var(--radius-sm);font:600 16px/1 var(--font-mono);color:var(--ink);background:var(--white)}
.subnet-field select{font-family:ui-sans-serif,sans-serif;cursor:pointer}
.subnet-field input:focus-visible,.subnet-field select:focus-visible{outline:3px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.subnet-input-hint{font-size:12.5px;color:var(--muted);margin:8px 0 0;line-height:1.5}

.subnet-error{margin-top:14px;padding:13px 16px;border:1px solid #F3C6C1;background:#FDF2F1;border-radius:var(--radius-sm);color:var(--red);font-size:14px;font-weight:600}
.subnet-error[hidden]{display:none}

.subnet-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
.subnet-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none}
.subnet-hero-lede{color:var(--muted);font-size:16.5px;line-height:1.55;margin:0 0 8px;max-width:640px}

.subnet-btn{height:50px;padding:0 22px;border-radius:999px;border:0;background:var(--blue);color:var(--white);font-weight:700;font-size:14.5px;font-family:ui-sans-serif,sans-serif;cursor:pointer;transition:background .15s}
.subnet-btn:hover,.subnet-btn:focus-visible{background:#1D4FC4}
.subnet-btn:disabled{background:var(--border);color:var(--muted);cursor:not-allowed}
.subnet-btn.subnet-btn-ghost{background:var(--white);border:1px solid var(--border);color:var(--ink)}
.subnet-btn.subnet-btn-ghost:hover,.subnet-btn.subnet-btn-ghost:focus-visible{border-color:var(--blue);color:var(--blue);background:#EAF1FE}
.subnet-btn.subnet-btn-ghost:disabled{background:var(--white);border-color:var(--border);color:var(--border)}

.subnet-btn-tertiary{height:auto;padding:10px 14px;border:1px solid var(--border);border-radius:999px;background:var(--white);color:var(--muted);font-weight:600;font-size:13px;font-family:ui-sans-serif,sans-serif;cursor:pointer}
.subnet-btn-tertiary:hover,.subnet-btn-tertiary:focus-visible{color:var(--blue);border-color:#BFD3F7;background:#EAF1FE}
.subnet-btn-tertiary:disabled{color:var(--border);cursor:not-allowed}

.subnet-disclosure{margin-top:14px;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--white)}
.subnet-disclosure summary{list-style:none;cursor:pointer;padding:15px 18px;font-size:14px;font-weight:700;color:var(--navy);display:flex;align-items:center;justify-content:space-between;background:var(--bg)}
.subnet-disclosure summary::-webkit-details-marker{display:none}
.subnet-disclosure summary::after{content:"+";font-size:18px;color:var(--muted);flex:none}
.subnet-disclosure[open] summary::after{content:"\2212"}
.subnet-disclosure summary:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.subnet-disclosure-body{padding:18px}

.subnet-adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.subnet-adv-row{display:flex;justify-content:space-between;gap:10px;padding:12px 15px;border-bottom:1px solid var(--border);font-size:13.5px}
.subnet-adv-row:nth-child(odd){border-right:1px solid var(--border)}
.subnet-adv-row .subnet-adv-label{color:var(--muted);font-weight:600}
.subnet-adv-row .subnet-adv-value{font-family:var(--font-mono);color:var(--ink);text-align:right;word-break:break-word}

.subnet-table-wrap{overflow-x:auto;border-radius:10px;border:1px solid var(--border)}
.subnet-table-wrap table{width:100%;border-collapse:collapse;font-size:13.5px}
.subnet-table-wrap thead th{background:var(--navy);color:var(--white);font-size:12px;letter-spacing:.03em;font-weight:700;padding:12px 14px;text-align:left;white-space:nowrap}
.subnet-table-wrap td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--ink);font-family:var(--font-mono)}
.subnet-table-wrap tbody tr:nth-child(even){background:var(--bg)}
.subnet-table-wrap tbody tr:last-child td{border-bottom:none}
.subnet-table-wrap tbody tr.is-selected-row{background:#EAF1FE}

/* ==========================================================================
   Hero
   ========================================================================== */
.vlsm-hero{padding:100px 0 28px;background:var(--white)}
.vlsm-breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:20px}
.vlsm-breadcrumb a{color:var(--muted)}
.vlsm-breadcrumb a:hover,.vlsm-breadcrumb a:focus-visible{color:var(--blue)}
.vlsm-breadcrumb [aria-current]{color:var(--ink);font-weight:600}
.vlsm-hero-head{max-width:800px}
.vlsm-hero-head h1{font-size:clamp(26px,3.1vw,38px);color:var(--navy);margin:0 0 12px;line-height:1.18}
.vlsm-hero-label{display:block;font-size:13px;color:var(--muted);font-weight:600;margin:0 0 10px}
.vlsm-hero-note{font-size:13px;color:var(--muted);margin:0}

/* ==========================================================================
   Tool shell
   ========================================================================== */
.vlsm-tool{padding:0 0 56px;background:var(--white)}
.vlsm-tool-shell{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:0;overflow:hidden}

.vlsm-tool-section{padding:22px 28px}
.vlsm-tool-section + .vlsm-tool-section{border-top:1px solid var(--border)}
.vlsm-tool-section-tint{background:var(--bg)}

.vlsm-section-heading{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:0 0 16px}

.vlsm-base-row{max-width:420px}
.vlsm-normalized-note{margin:10px 0 0;padding:10px 14px;border-radius:var(--radius-sm);background:#EAF1FE;border:1px solid #BFD3F7;color:#1D4FC4;font-size:13px;font-weight:600}
.vlsm-normalized-note[hidden]{display:none}

/* ==========================================================================
   Requirement rows
   ========================================================================== */
.vlsm-rows{display:flex;flex-direction:column;gap:10px}
.vlsm-row{border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;background:var(--white);transition:border-color .15s}
.vlsm-row:focus-within{border-color:#BFD3F7}
.vlsm-row-main{display:grid;grid-template-columns:2fr 1fr 40px;gap:14px;align-items:end}
.vlsm-row-main .subnet-field{margin:0}
.vlsm-row-main .subnet-field label{font-size:11px;margin-bottom:5px}
.vlsm-row-main .subnet-field input{height:44px;padding:0 12px;border-radius:10px;font:600 14px var(--font-mono)}
.vlsm-row-remove{height:44px;width:40px;border:1px solid var(--border);border-radius:10px;background:var(--white);color:var(--muted);font-size:17px;line-height:1;cursor:pointer;transition:color .15s,border-color .15s,background .15s}
.vlsm-row-remove:hover,.vlsm-row-remove:focus-visible{color:var(--red);border-color:#F3C6C1;background:#FDF2F1}
.vlsm-row-remove:focus-visible{outline:3px solid var(--blue);outline-offset:1px}
.vlsm-row-error{margin:8px 0 0;font-size:12.5px;color:var(--red);font-weight:600}
.vlsm-row-error[hidden]{display:none}

.vlsm-row-advanced{margin-top:10px}
.vlsm-row-advanced summary{list-style:none;cursor:pointer;font-size:12px;color:var(--muted);font-weight:700;padding:2px 0;display:inline-flex;align-items:center;gap:5px}
.vlsm-row-advanced summary::-webkit-details-marker{display:none}
.vlsm-row-advanced summary::after{content:"\25BE";font-size:10px;transition:transform .15s}
.vlsm-row-advanced[open] summary::after{transform:rotate(180deg)}
.vlsm-row-advanced summary:hover,.vlsm-row-advanced summary:focus-visible{color:var(--blue)}

.vlsm-row-type{display:flex;gap:0;margin-top:10px;border:1px solid var(--border);border-radius:999px;padding:3px;width:fit-content}
.vlsm-row-type label{position:relative;font-size:12px;font-weight:600;color:var(--muted);padding:6px 14px;border-radius:999px;cursor:pointer}
.vlsm-row-type input{position:absolute;opacity:0;width:1px;height:1px}
.vlsm-row-type label:has(input:checked){background:var(--navy);color:var(--white)}
.vlsm-row-type input:focus-visible ~ *{outline:2px solid var(--blue)}
.vlsm-row-p2p-note{margin:8px 0 0;font-size:12px;color:var(--muted);line-height:1.5;max-width:52ch}
.vlsm-row-p2p-note[hidden]{display:none}

.vlsm-rows-actions{display:flex;align-items:center;gap:14px;margin-top:14px}
.vlsm-rows-limit-note{font-size:12.5px;color:var(--amber);font-weight:600}
.vlsm-rows-limit-note[hidden]{display:none}

/* ==========================================================================
   Planning options
   ========================================================================== */
.vlsm-options-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.vlsm-options-note{margin:14px 0 0;font-size:12.5px;color:var(--muted);line-height:1.55}

/* ==========================================================================
   Primary action row
   ========================================================================== */
.vlsm-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ==========================================================================
   Empty state
   ========================================================================== */
.vlsm-empty-state{margin:0;padding:16px 18px;border:1px dashed var(--border);border-radius:var(--radius-sm);color:var(--muted);font-size:14px;line-height:1.55;background:var(--bg)}
.vlsm-empty-state[hidden]{display:none}
.vlsm-empty-state strong{display:block;color:var(--ink);font-size:14.5px;margin-bottom:2px}

/* ==========================================================================
   Insufficient-space panel
   ========================================================================== */
.vlsm-insufficient-panel{margin:0;padding:26px 28px;border-top:1px solid #F3C6C1;background:#FDF2F1}
.vlsm-insufficient-panel[hidden]{display:none}
.vlsm-insufficient-headline{font-size:15px;font-weight:700;color:var(--red);margin:0 0 14px}
.vlsm-insufficient-actions{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.vlsm-insufficient-what-changed{margin:16px 0 0;padding:0;list-style:none;font-size:13.5px;color:var(--ink);line-height:1.7}
.vlsm-insufficient-what-changed li{padding-left:18px;position:relative}
.vlsm-insufficient-what-changed li::before{content:"\2022";position:absolute;left:2px;color:var(--red)}

/* ==========================================================================
   Results
   ========================================================================== */
.vlsm-results[hidden]{display:none}
.vlsm-status-line{display:none}

/* ---- verdict hero ---- */
.vlsm-verdict{padding:15px 20px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg);margin-bottom:16px}
.vlsm-verdict.is-fit{border-color:#B6E3D0;background:#F3FBF7}
.vlsm-verdict-eyebrow{display:block;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:4px}
.vlsm-verdict-main{font-size:19px;font-weight:700;color:var(--navy);margin:0 0 6px;line-height:1.35}
.vlsm-verdict-support{margin:0;font-size:13.5px;color:var(--ink);font-weight:600}

/* ---- 4-up metric strip ---- */
.vlsm-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:12px}
.vlsm-metric{padding:14px 16px;border-right:1px solid var(--border);background:var(--white);display:flex;flex-direction:column;gap:6px}
.vlsm-metric:last-child{border-right:0}
.vlsm-metric-label{font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.vlsm-metric-value{font:700 18px var(--font-mono);color:var(--navy);word-break:break-word}
.vlsm-summary-note{display:flex;align-items:flex-start;gap:8px;margin:0 0 18px;font-size:12.5px;color:var(--muted);line-height:1.5}
.vlsm-summary-note .info-dot{flex:none;width:15px;height:15px;border-radius:50%;border:1.4px solid var(--muted);display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;margin-top:1px}

/* ==========================================================================
   Address Allocation Map — one controlled color family, no rainbow.
   Data-segment width/left is authoritative (subnetAddresses/parentAddresses),
   never clamped to a minimum. A separate lane+connector (below) provides the
   tiny-segment annotation without ever touching the data geometry.
   ========================================================================== */
.vlsm-visual-map-intro{font-size:13px;color:var(--muted);margin:0 0 10px}
.vlsm-visual-map{display:flex;height:56px;border-radius:10px;overflow:hidden;gap:1px}
.vlsm-map-segment{display:flex;flex-direction:column;align-items:center;justify-content:center;font:600 11.5px var(--font-mono);color:var(--white);background:var(--blue);border:0;cursor:pointer;padding:2px 5px;overflow:hidden;white-space:nowrap;min-width:0;position:relative}
.vlsm-map-segment:nth-child(even){background:#1D4FC4}
.vlsm-map-segment:hover{filter:brightness(1.08)}
.vlsm-map-segment:focus-visible{outline:3px solid var(--ink);outline-offset:-3px}
.vlsm-map-segment b{font-size:12px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vlsm-map-segment span{font-size:10px;opacity:.85}
.vlsm-map-segment.is-selected{background:var(--navy);box-shadow:inset 0 0 0 3px var(--white),inset 0 0 0 5px var(--teal)}
.vlsm-map-segment.is-selected::after{content:"\2713";position:absolute;top:3px;right:5px;font-size:10px;font-weight:700}
.vlsm-map-segment.vlsm-map-segment-free{background:repeating-linear-gradient(135deg,var(--bg),var(--bg) 6px,var(--white) 6px,var(--white) 12px);border:1px dashed var(--border);color:var(--muted)}
.vlsm-map-segment.vlsm-map-segment-free.is-selected{box-shadow:inset 0 0 0 3px var(--white),inset 0 0 0 5px var(--muted)}
.vlsm-map-segment.vlsm-seg-tiny{box-shadow:0 0 0 1px rgba(255,255,255,.85)}

.vlsm-map-legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;font-size:12px;color:var(--muted)}
.vlsm-map-legend span{display:inline-flex;align-items:center;gap:6px}
.vlsm-map-legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
.vlsm-map-legend i.vlsm-dot-allocated{background:var(--blue)}
.vlsm-map-legend i.vlsm-dot-selected{background:var(--navy)}
.vlsm-map-legend i.vlsm-dot-free{background:repeating-linear-gradient(135deg,var(--bg),var(--bg) 3px,var(--white) 3px,var(--white) 6px);border:1px dashed var(--border)}

/* ---- callout lane (tiny-segment annotation; same proven pattern as Overlap
   Checker / CIDR Range Converter — data geometry is never touched by this) ---- */
.vlsm-callout-lane{position:relative;margin-bottom:8px}
.vlsm-callout-lane[hidden]{display:none}
.vlsm-callout-connector{position:absolute;inset:0;pointer-events:none;overflow:visible}
.vlsm-callout-connector-line{stroke:var(--border);stroke-width:1.5}
.vlsm-callout-connector-dot{fill:var(--blue)}
.vlsm-callout{position:absolute;top:0;left:0;display:flex;flex-direction:column;gap:1px;padding:8px 12px;background:var(--white);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-md);white-space:nowrap;max-width:calc(100vw - 48px);cursor:pointer;text-align:left;font-family:inherit}
.vlsm-callout:hover,.vlsm-callout:focus-visible{border-color:var(--blue)}
.vlsm-callout:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.vlsm-callout-line1{font:700 12.5px var(--font-mono);color:var(--navy);overflow:hidden;text-overflow:ellipsis}
.vlsm-callout-line2{font-size:11.5px;color:var(--muted);font-weight:600}

.vlsm-detail-panel{margin-top:14px;padding:18px 20px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);min-height:1px}
.vlsm-detail-panel-empty{font-size:13px;color:var(--muted)}
.vlsm-detail-title{font-size:15px;font-weight:700;color:var(--navy);margin:0 0 4px}
.vlsm-detail-cidr{font:700 14px var(--font-mono);color:var(--ink);margin:0 0 14px;display:block}
.vlsm-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 20px}
.vlsm-detail-row{display:flex;flex-direction:column;gap:3px}
.vlsm-detail-label{font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.vlsm-detail-value{font:600 13.5px var(--font-mono);color:var(--ink)}
.vlsm-detail-note{margin:14px 0 0;font-size:12.5px;color:var(--muted);line-height:1.5;border-top:1px solid var(--border);padding-top:12px}
.vlsm-detail-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

/* ==========================================================================
   Why this prefix?
   ========================================================================== */
.vlsm-why-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.vlsm-why-item{padding:12px 14px;border-radius:var(--radius-sm);background:var(--white);border:1px solid var(--border);font-size:13.5px;color:var(--ink);line-height:1.55;cursor:pointer;text-align:left;font-family:inherit;width:100%}
.vlsm-why-item:hover,.vlsm-why-item:focus-visible{border-color:var(--blue);background:#EAF1FE}
.vlsm-why-item.is-selected{border-color:var(--navy);background:#EEF1F7}
.vlsm-why-item b{font-family:var(--font-mono);color:var(--navy)}

/* ==========================================================================
   Growth Headroom (sorted ascending — least headroom first)
   ========================================================================== */
.vlsm-headroom-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.vlsm-headroom-row{display:flex;align-items:center;gap:14px;padding:10px 14px;border-radius:var(--radius-sm);background:var(--white);border:1px solid var(--border);cursor:pointer;text-align:left;font-family:inherit;width:100%}
.vlsm-headroom-row:hover,.vlsm-headroom-row:focus-visible{border-color:var(--blue);background:#EAF1FE}
.vlsm-headroom-row.is-selected{border-color:var(--navy);background:#EEF1F7}
.vlsm-headroom-name{flex:1 1 auto;font-size:13.5px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vlsm-headroom-bar-wrap{flex:1 1 160px;height:8px;border-radius:4px;background:var(--bg);overflow:hidden;max-width:200px}
.vlsm-headroom-bar{height:100%;background:var(--teal);border-radius:4px}
.vlsm-headroom-bar.is-tight{background:#B4321F}
.vlsm-headroom-value{flex:0 0 auto;font:700 13px var(--font-mono);color:var(--navy);white-space:nowrap}

/* ==========================================================================
   Free Address Space
   ========================================================================== */
.vlsm-free-summary{padding:14px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg);margin-bottom:12px}
.vlsm-free-summary-main{font:700 15px var(--font-mono);color:var(--navy);margin:0 0 4px}
.vlsm-free-summary-note{margin:0;font-size:13px;color:var(--muted)}
.vlsm-remaining-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.vlsm-remaining-list li{display:flex;align-items:center;gap:8px}
.vlsm-remaining-list button{font:600 13px var(--font-mono);background:var(--white);border:1px solid var(--border);border-radius:8px;padding:6px 12px;color:var(--ink);cursor:pointer}
.vlsm-remaining-list button:hover,.vlsm-remaining-list button:focus-visible{border-color:var(--blue);color:var(--blue);background:#EAF1FE}

/* ==========================================================================
   Results table
   ========================================================================== */
.vlsm-table-controls{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:28px;margin-bottom:10px}
.vlsm-order-toggle{display:flex;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:3px;font-size:12.5px}
.vlsm-order-toggle label{position:relative;padding:6px 12px;border-radius:999px;cursor:pointer;color:var(--muted);font-weight:600}
.vlsm-order-toggle input{position:absolute;opacity:0;width:1px;height:1px}
.vlsm-order-toggle label:has(input:checked){background:var(--white);color:var(--ink);box-shadow:var(--shadow-sm)}
.vlsm-advanced-columns-label{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);font-weight:600;cursor:pointer}
.vlsm-order-note{font-size:12.5px;color:var(--muted);margin:0 0 12px}

.vlsm-table-wrap table{min-width:760px}
.vlsm-col-advanced{display:none}
body.vlsm-show-advanced .vlsm-col-advanced{display:table-cell}

.vlsm-reasoning-list,.vlsm-steps-list{margin:0;padding-left:20px;font-size:14px;line-height:1.6;color:var(--ink)}
.vlsm-reasoning-list li,.vlsm-steps-list li{margin:8px 0}
.vlsm-step-headline{font-family:var(--font-mono);font-weight:700;color:var(--navy)}
.vlsm-step-range{display:block;font-family:var(--font-mono);font-size:12.5px;color:var(--muted);margin-top:2px}

.vlsm-export-actions{margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media(prefers-reduced-motion:reduce){
	.vlsm-map-segment,.subnet-btn,.vlsm-row{transition:none!important}
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media(max-width:1050px){
	.vlsm-hero{padding-top:96px}
	.vlsm-options-grid{grid-template-columns:1fr 1fr}
	.vlsm-metrics{grid-template-columns:1fr 1fr}
	.vlsm-metric{border-bottom:1px solid var(--border)}
	.vlsm-metric:nth-child(2n){border-right:0}
	.vlsm-detail-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
	.vlsm-row-main{grid-template-columns:1fr 96px 40px;gap:8px}
	.vlsm-tool-section{padding:20px 20px}
	.vlsm-options-grid{grid-template-columns:1fr}
	.vlsm-metrics{grid-template-columns:1fr 1fr}
	.vlsm-metric{border-right:1px solid var(--border)}
	.vlsm-metric:nth-child(2n){border-right:0}
	.vlsm-verdict-main{font-size:16.5px}
	.vlsm-headroom-bar-wrap{display:none}
}
@media(max-width:620px){
	.vlsm-hero{padding:84px 0 24px}
	.vlsm-row-main{grid-template-columns:1fr 84px 36px;gap:6px}
	.vlsm-metrics{grid-template-columns:1fr}
	.vlsm-metric{border-right:0!important;border-bottom:1px solid var(--border)}
	.vlsm-metric:last-child{border-bottom:0}
	.vlsm-visual-map{height:auto;flex-wrap:wrap}
	.vlsm-map-segment{flex:1 1 45%;height:44px}
	.vlsm-detail-grid{grid-template-columns:1fr}
	.vlsm-table-controls{flex-direction:column;align-items:flex-start}
	.vlsm-callout{font-size:11px;padding:7px 10px;max-width:calc(100vw - 32px)}
}

/* ==========================================================================
   Guide / educational content
   ========================================================================== */
.subnet-guide{padding:56px 0;background:var(--bg)}
.subnet-guide-inner{max-width:820px;margin:0 auto}
.subnet-guide h2{font-size:24px;color:var(--navy);margin:44px 0 14px}
.subnet-guide h2:first-child{margin-top:0}
.subnet-guide h3{font-size:17px;color:var(--navy);margin:24px 0 8px}
.subnet-guide p{color:var(--ink);font-size:15.5px;line-height:1.65;margin:0 0 14px;max-width:74ch}
.subnet-guide ul{margin:0 0 14px;padding-left:22px;color:var(--ink);font-size:15.5px;line-height:1.65}
.subnet-guide li{margin:4px 0}
.subnet-guide code{font-family:var(--font-mono);background:var(--white);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:.92em}