/* ==========================================================================
   Subnetcalculator (V2.79.0, uitleg in één blok sinds V2.79.3) – huisstijl; kleuren, kaart, knop, veld en segment uit css/basis.css
   Netwerkdeel = merkkleur, toestel(host)deel = groen, zoals in de legende.
   ========================================================================== */
.sn { display: flex; flex-direction: column; gap: 16px; --sn-net: var(--merk); --sn-host: var(--ok); }
.sn h2 { font: 600 1.15rem/1.3 var(--font-tekst); margin: 0; }
.sn-paneel { display: flex; flex-direction: column; gap: 16px; }
.sn-paneel[hidden] { display: none; }
.sn .kaart { padding: 20px; }
.sn-kop { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; margin-bottom: 14px; }
.sn-hint { margin: 0; font-size: var(--fs-xs); color: var(--tekst-3); line-height: 1.5; }
.sn .sn-code, .sn-mono { font-family: var(--font-code); }

/* tabbladen IPv4 / IPv6 */
.sn-tabs { display: inline-flex; align-self: flex-start; }
.sn-tabs button { min-width: 110px; font-weight: 700; }
.sn-tabs button:focus-visible, .sn-segment button:focus-visible { outline: none; box-shadow: var(--ring); }

/* ---------- invoer ---------- */
.sn-invoer h2 { margin-bottom: 12px; }
.sn-snel { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 18px; }
.sn-snel-label { font-size: var(--fs-xs); font-weight: 600; color: var(--tekst-3); margin-right: 2px; }
.sn-snel button {
  height: 32px; padding: 0 12px; border-radius: var(--r-rond); border: 1px solid var(--rand); background: var(--vlak);
  color: var(--tekst-2); font: 600 var(--fs-xs)/1 var(--font-tekst); cursor: pointer; transition: border-color .15s, color .15s;
}
.sn-snel button:hover { border-color: var(--merk); color: var(--tekst); }
.sn-snel button:focus-visible { outline: none; box-shadow: var(--ring); }
.sn-snel-klein { margin: 10px 0 0; }
.sn-invoer-raster { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.sn-veld .label { margin-bottom: 8px; }
.sn-octetten { display: flex; align-items: center; gap: 4px; }
.sn .sn-octet { width: 0; flex: 1 1 0; min-width: 0; height: 52px; padding: 0 4px; text-align: center; font: 700 1.35rem var(--font-code); -moz-appearance: textfield; }
.sn .sn-octet::-webkit-outer-spin-button, .sn .sn-octet::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.sn .sn-octet.fout { border-color: var(--fout); box-shadow: 0 0 0 3px var(--fout-zacht); }
.sn-punt, .sn-slash { font: 700 1.5rem var(--font-code); color: var(--tekst-3); }
.sn-prefix-groot { flex: none; min-width: 52px; text-align: center; font: 800 1.45rem var(--font-code); color: var(--sn-net); }
.sn-klein-label { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; font-size: var(--fs-xs); font-weight: 600; color: var(--tekst-2); }
.sn-klein-label .veld { font-weight: 400; }
.sn-gelezen { margin: 6px 0 0; font-size: var(--fs-xs); min-height: 1.4em; color: var(--tekst-3); }
.sn-gelezen.ok { color: var(--ok); }
.sn-gelezen.fout { color: var(--fout); }
.sn-schuif { display: flex; align-items: center; gap: 10px; }
.sn-schuif input[type="range"] { flex: 1; min-width: 0; accent-color: var(--merk); height: 28px; }
.sn-schuif-eind { font-size: var(--fs-xs); color: var(--tekst-3); }
.sn-grootte-zin { margin: 6px 0 0; font: 600 var(--fs-s) var(--font-tekst); color: var(--tekst); }
.sn-twee { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 12px; }
.sn-twee + .sn-hint { margin-top: 6px; }

/* ---------- bits ---------- */
.sn-bits { display: flex; flex-direction: column; gap: 8px; }
.sn-bitrij { display: grid; grid-template-columns: 110px minmax(0, 1fr); align-items: center; gap: 10px; }
.sn-bitnaam { font-size: var(--fs-xs); font-weight: 700; color: var(--tekst-2); }
.sn-bitvak { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.sn-octetbits { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 2px; position: relative; padding-bottom: 18px; }
.sn-octetwaarde { position: absolute; left: 0; right: 0; bottom: 0; text-align: center; font: 600 var(--fs-xs) var(--font-code); color: var(--tekst-3); }
.sn-bit {
  height: 30px; min-width: 0; display: grid; place-items: center; border-radius: 6px; border: 1px solid transparent;
  font: 700 .85rem var(--font-code); padding: 0; transition: background .12s, transform .08s;
}
button.sn-bit { cursor: pointer; }
button.sn-bit:hover { transform: translateY(-1px); border-color: currentColor; }
button.sn-bit:focus-visible { outline: none; box-shadow: var(--ring); }
.sn-bit.net { background: color-mix(in srgb, var(--sn-net) 12%, transparent); color: var(--sn-net); }
.sn-bit.host { background: color-mix(in srgb, var(--sn-host) 12%, transparent); color: var(--sn-host); }
.sn-bit.een.net { background: var(--sn-net); color: #fff; }
.sn-bit.een.host { background: var(--sn-host); color: #fff; }
.sn-rij-net .sn-bit { opacity: .85; }
.sn-legende { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 10px 0 0; font-size: var(--fs-xs); color: var(--tekst-2); }
.sn-leg::before { content: ""; display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.sn-leg-net::before { background: var(--sn-net); }
.sn-leg-host::before { background: var(--sn-host); }

/* IPv6 uitgeschreven */
.sn-hex { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; font: 700 1.15rem var(--font-code); }
.sn-hexgroep { display: inline-flex; padding: 6px 4px; border-radius: 8px; border: 1px solid transparent; background: none; cursor: pointer; font: inherit; }
.sn-hexgroep:hover { border-color: var(--rand); background: var(--vlak-2); }
.sn-hexgroep:focus-visible { outline: none; box-shadow: var(--ring); }
.sn-hexteken.net { color: var(--sn-net); }
.sn-hexteken.host { color: var(--sn-host); }
.sn-hexteken.half { color: var(--let-op); }
.sn-dubbelpunt { color: var(--tekst-3); }

/* ---------- resultaat ---------- */
.sn-soort { font-size: var(--fs-xs); font-weight: 600; color: var(--tekst-2); background: var(--vlak-2); padding: 4px 10px; border-radius: var(--r-rond); }
.sn-soort[data-soort="publiek"], .sn-soort[data-soort="global"] { background: var(--let-op-zacht); }
.sn-soort[data-soort="prive"] { background: var(--ok-zacht); }
.sn-soort:empty { display: none; }
/* ---------- tekening van het netwerk (sinds V2.85.0) ---------- */
.sn-net-blok { margin: 0 0 16px; }
.sn-net { display: flex; flex-direction: column; align-items: stretch; padding: 16px; border-radius: var(--r-m); background: var(--bg); border: 1px solid var(--rand-zacht); }
.sn-net-boven { display: flex; flex-direction: column; align-items: center; }
.sn-buiten { position: relative; display: flex; gap: 10px; padding: 24px 10px 10px; border: 1px dashed var(--rand); border-radius: var(--r-m); }
.sn-buiten-label { position: absolute; top: 6px; left: 10px; font: 700 10px/1 var(--font-tekst); letter-spacing: .06em; text-transform: uppercase; color: var(--tekst-3); }
.sn-lijn { width: 2px; height: 18px; background: var(--sn-net); }
.sn-knoop {
  display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 0; padding: 8px 10px; border-radius: var(--r-s);
  border: 1px solid var(--rand); background: var(--vlak); color: var(--tekst); font: inherit; text-align: center;
}
button.sn-knoop { cursor: pointer; transition: border-color .15s; }
button.sn-knoop:hover { border-color: var(--merk); }
button.sn-knoop:focus-visible { outline: none; box-shadow: var(--ring); }
.sn-knoop-tekst { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.sn-knoop b { font: 700 var(--fs-xs)/1.2 var(--font-code); color: var(--tekst); overflow-wrap: anywhere; }
.sn-knoop small { font-size: 11px; line-height: 1.25; color: var(--tekst-3); }
.sn-icoon { display: grid; place-items: center; flex: none; color: var(--sn-host); }
.sn-icoon svg.i { width: 26px; height: 26px; }
.sn-knoop.router .sn-icoon, .sn-knoop.bc .sn-icoon { color: var(--sn-net); }
.sn-knoop.internet .sn-icoon, .sn-knoop.buur .sn-icoon { color: var(--tekst-3); }
.sn-knoop.buur { border-style: dashed; opacity: .75; }
.sn-knoop.jij { border: 2px solid var(--merk); background: var(--merk-zacht); }
.sn-knoop.jij small { color: var(--merk-tekst, var(--merk)); font-weight: 700; }
.sn-knoop.jij.fout, .sn-straat.fout { border-color: var(--fout); background: var(--fout-zacht); }
.sn-knoop.jij.fout small { color: var(--fout); }
.sn-knoop.nog { border-style: dashed; background: none; justify-content: center; }
.sn-knoop.nog b { font-size: 1.1rem; color: var(--tekst-3); }
.sn-straat { display: flex; align-items: baseline; justify-content: center; flex-wrap: wrap; gap: 4px 10px; padding: 7px 14px; border-radius: var(--r-rond); background: var(--sn-net); color: #fff; border: 2px solid var(--sn-net); }
.sn-straat b { font: 700 var(--fs-s)/1.2 var(--font-code); }
.sn-straat small { font-size: var(--fs-xs); opacity: .85; }
.sn-straat.fout { color: var(--tekst); }
/* huizen hangen aan de straat: elk met een lijntje omhoog */
.sn-huizen { display: flex; gap: 10px; padding-top: 18px; }
.sn-huizen > * { position: relative; flex: 1 1 0; }
.sn-huizen > *::before { content: ""; position: absolute; top: -19px; left: 50%; width: 2px; height: 18px; background: var(--sn-net); }
.sn-net-zin { margin: 8px 0 0; font-size: var(--fs-s); color: var(--tekst-2); }
.sn-uit { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin: 0; }
.sn-uit dd { margin: 0; display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; border-radius: var(--r-s); background: var(--bg); border: 1px solid var(--rand-zacht); position: relative; }
.sn-uit dd small { font-size: var(--fs-xs); color: var(--tekst-3); }
.sn-waarde { border: 0; background: none; padding: 0; text-align: left; cursor: copy; font: 700 1rem/1.35 var(--font-code); color: var(--tekst); overflow-wrap: anywhere; }
.sn-waarde:hover { color: var(--merk-tekst); }
.sn-waarde:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 4px; }
.sn-uit-label { font-size: var(--fs-xs); font-weight: 600; color: var(--tekst-3); }
.sn-status { margin: 10px 0 0; font-size: var(--fs-s); font-weight: 600; color: var(--ok); min-height: 1.3em; }
.sn-status:empty { display: none; }

/* ---------- opsplitsen ---------- */
.sn-split .sn-segment { display: flex; flex-wrap: wrap; margin-bottom: 10px; }
.sn-split .sn-segment[hidden] { display: none; }
.sn-split .sn-segment button { flex: 1; min-width: 44px; }
.sn-tabel-wrap { max-height: 380px; overflow: auto; margin-top: 10px; border: 1px solid var(--rand-zacht); border-radius: var(--r-s); }
.sn-tabel { width: 100%; border-collapse: collapse; font-size: var(--fs-s); }
.sn-tabel th { position: sticky; top: 0; background: var(--vlak-2); text-align: left; padding: 8px 10px; font-size: var(--fs-xs); color: var(--tekst-2); }
.sn-tabel td { padding: 7px 10px; border-top: 1px solid var(--rand-zacht); white-space: nowrap; }
.sn-tabel tbody tr { cursor: pointer; }
.sn-tabel tbody tr:hover { background: var(--vlak-2); }
.sn-tabel tbody tr:focus-visible { outline: none; box-shadow: inset var(--ring); }
.sn-tabel tr.hier { background: var(--merk-zacht); }
.sn-hier { margin-left: 8px; font-size: .7rem; font-weight: 700; color: var(--merk-tekst); }

/* ---------- uitleg ---------- */
.sn-uitleg h2 { margin-bottom: 12px; }
.sn-uitleg h3 { font: 600 var(--fs-m)/1.35 var(--font-tekst); color: var(--tekst); margin: 22px 0 8px; }
.sn-uitleg ul { margin: 0 0 10px; padding-left: 20px; color: var(--tekst-2); line-height: 1.7; }
.sn-uitleg li + li { margin-top: 4px; }
.sn-uitleg b { color: var(--tekst); }
.sn-uitleg code { font: 600 .92em var(--font-code); color: var(--tekst); background: var(--vlak-2); padding: 1px 5px; border-radius: 5px; }
.sn-uitleg .sn-paars { color: var(--sn-net); font-weight: 700; }
.sn-uitleg .sn-groen { color: var(--sn-host); font-weight: 700; }
.sn-uitleg-tabel { width: 100%; max-width: 640px; border-collapse: collapse; margin: 4px 0 14px; font-size: var(--fs-s); }
.sn-uitleg-tabel th, .sn-uitleg-tabel td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--rand-zacht); color: var(--tekst-2); }
.sn-uitleg-tabel thead th { background: var(--vlak-2); color: var(--tekst); font-size: var(--fs-xs); }
.sn-uitleg-tabel tbody th { color: var(--tekst); font-weight: 600; }
.sn-uitleg p { color: var(--tekst-2); line-height: 1.7; margin: 0 0 10px; }
.sn-uitleg p:last-child { margin-bottom: 0; }
.sn-uitleg a { color: var(--merk-tekst); font-weight: 600; }

/* ---------- smal scherm ---------- */
@media (max-width: 820px) {
  .sn-invoer-raster { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .sn-bitrij { grid-template-columns: minmax(0, 1fr); gap: 4px; }
}
@media (max-width: 700px) {
  /* smal: de straat loopt naar beneden, de huizen hangen er rechts aan */
  .sn-huizen { flex-direction: column; gap: 8px; padding: 8px 0 0 26px; }
  .sn-huizen > * { flex: none; }
  .sn-huizen > *::before { top: -8px; left: -16px; width: 2px; height: calc(50% + 8px); }
  .sn-huizen > *::after { content: ""; position: absolute; top: 50%; left: -16px; width: 16px; height: 2px; background: var(--sn-net); }
  .sn-huizen .sn-knoop { flex-direction: row; text-align: left; gap: 10px; }
  .sn-huizen .sn-knoop.nog { justify-content: flex-start; }
  .sn-buiten { flex-wrap: wrap; justify-content: center; }
  .sn-straat { border-radius: var(--r-m); }
}
@media (max-width: 560px) {
  .sn .kaart { padding: 14px; }
  .sn-bitvak { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 10px; }
  .sn-bit { height: 28px; font-size: .78rem; }
  .sn .sn-octet { height: 46px; font-size: 1.1rem; }
  .sn-twee { grid-template-columns: minmax(0, 1fr); }
  .sn-uit { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .sn-uit dd { padding: 8px 10px; }
  .sn-waarde { font-size: .9rem; }
  .sn-tabs { align-self: stretch; }
  .sn-tabs button { flex: 1; }
  .sn-hex { font-size: .95rem; }
}