/* Simulateur de paquets (reseau-simulateur.html). Éléments communs : css/sim.css. Tout est préfixé .ns. */

.ns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

/* ---------- scénarios ---------- */

.ns-scenario__top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
}

.ns-scenario__pick {
  flex: 1 1 18rem;
  max-width: 30rem;
}

.ns-scenario__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.ns-scenario__blurb {
  margin-top: 0.8rem;
  font-weight: 600;
  max-width: 70ch;
}

.ns-scenario__observe {
  margin-top: 0.35rem;
  color: var(--sm-ink-2);
  font-size: 0.9rem;
  max-width: 70ch;
}

.ns-scenario__observe::before {
  content: "À observer : ";
  font-weight: 800;
  color: var(--sm-ink);
}

.ns-scenario__observe:empty,
.ns-scenario__blurb:empty {
  display: none;
}

/* ---------- mise en page ---------- */

.ns-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.ns-left {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  min-width: 0;
}

.ns-right {
  min-width: 0;
}

@media (min-width: 1000px) {
  .ns-main {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

/* ---------- schéma ---------- */

.ns-diagram-card {
  padding: 0.9rem 1rem 0.7rem;
}

.ns-diagram {
  margin: 0;
}

.ns-diagram svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 1000px;
  margin: 0 auto;
  overflow: visible;
}

.ns-diagram.is-tall svg {
  max-width: 400px;
}

.ns-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1.1rem;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sm-ink-2);
}

.ns-key {
  display: inline-block;
  width: 18px;
  height: 0;
  margin-right: 0.35rem;
  vertical-align: middle;
  border-top: 4px solid var(--sm-accent);
  border-radius: 2px;
}

.ns-key--back {
  border-top: 4px dashed var(--sm-ink);
}

.ns-key--ok {
  height: 12px;
  width: 12px;
  border: 3px solid var(--sm-ok-line);
  border-radius: 4px;
  background: var(--sm-ok-soft);
}

.ns-key--ko {
  height: 12px;
  width: 12px;
  border: 3px solid var(--sm-accent-deep);
  border-radius: 4px;
  background: var(--sm-accent-soft);
}

/* éléments du schéma (SVG) */

.ns-svg-text {
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  fill: var(--sm-ink);
}

.ns-t-name {
  font-size: 16px;
  font-weight: 800;
}

.ns-t-ip {
  font-family: var(--sm-mono);
  font-size: 15px;
  font-weight: 700;
  font-variant-ligatures: none;
}

.ns-t-ip--r {
  font-size: 14px;
}

.ns-t-sub {
  font-size: 12px;
  font-weight: 600;
  fill: var(--sm-ink-2);
}

.ns-t-eth {
  font-size: 11.5px;
  font-weight: 800;
  fill: var(--sm-ink-2);
  letter-spacing: 0.04em;
}

.ns-t-lan {
  font-size: 12px;
  font-weight: 800;
  fill: var(--sm-ink-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ns-t-bad {
  fill: var(--sm-accent-ink);
}

.ns-node {
  outline: none;
}

.ns-node__box {
  fill: #fff;
  stroke: var(--sm-line-2);
  stroke-width: 1.5;
}

.ns-node--sw .ns-node__box {
  fill: var(--sm-cream-2);
}

.ns-node[role="button"] {
  cursor: pointer;
}

.ns-node[role="button"]:hover .ns-node__box {
  stroke: var(--sm-ink-2);
}

.ns-node[role="button"]:focus-visible .ns-node__box {
  stroke: var(--sm-ink);
  stroke-width: 3;
}

.ns-node.is-from .ns-node__box {
  stroke: var(--sm-ink);
  stroke-width: 3;
}

.ns-node.is-ok .ns-node__box {
  stroke: var(--sm-ok-line);
  stroke-width: 3;
  fill: var(--sm-ok-soft);
}

.ns-node.is-stop .ns-node__box {
  stroke: var(--sm-accent-deep);
  stroke-width: 3;
  fill: var(--sm-accent-soft);
}

.ns-node.is-focus .ns-node__box {
  stroke: var(--sm-accent-deep);
  stroke-width: 3;
}

.ns-ico {
  fill: none;
  stroke: var(--sm-ink);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ns-edge__base,
.ns-edge__go,
.ns-edge__back {
  stroke-linecap: round;
  fill: none;
}

.ns-edge__base {
  stroke: var(--sm-line-2);
  stroke-width: 3;
}

.ns-edge__go {
  stroke: var(--sm-accent);
  stroke-width: 5;
  opacity: 0;
}

.ns-edge__back {
  stroke: var(--sm-ink);
  stroke-width: 3;
  stroke-dasharray: 2 9;
  opacity: 0;
}

.ns-edge.is-go .ns-edge__go,
.ns-edge.is-back .ns-edge__back {
  opacity: 1;
}

.ns-marker__c {
  fill: var(--sm-accent);
  stroke: #fff;
  stroke-width: 3;
}

.ns-marker.is-back .ns-marker__c {
  fill: var(--sm-ink);
}

.ns-stop__c {
  fill: var(--sm-accent-deep);
  stroke: #fff;
  stroke-width: 3;
}

.ns-stop__x {
  stroke: #fff;
  stroke-width: 3;
  stroke-linecap: round;
}

.ns-done__c {
  fill: var(--sm-ok);
  stroke: #fff;
  stroke-width: 3;
}

.ns-done__v {
  fill: none;
  stroke: #fff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- envoi ---------- */

.ns-send {
  display: grid;
  gap: 0.8rem;
}

.ns-send .sm-label {
  margin: 0;
}

.ns-send__row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr));
  align-items: end;
}

.ns-send__row--go {
  grid-template-columns: auto auto;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 520px) {
  .ns-send__row--go {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }
  .ns-send__row--go .sm-seg {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .ns-send__row--go .sm-seg span {
    text-align: center;
    white-space: normal;
  }
}

.ns-ip-error {
  margin: -0.3rem 0 0;
  color: var(--sm-accent-ink);
  font-weight: 700;
}

.ns-opts summary {
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--sm-ink-2);
  padding: 0.2rem 0;
}

.ns-opts[open] summary {
  margin-bottom: 0.6rem;
}

.ns-ttl {
  max-width: 11rem;
  margin-bottom: 0.5rem;
}

/* ---------- configuration ---------- */

.ns-right .sm-label {
  margin-bottom: 0.65rem;
}

.ns-cards {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 700px) and (max-width: 999px) {
  .ns-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.ns-card {
  padding: 0.85rem 1rem 0.95rem;
  background: var(--sm-card);
  border: 1px solid var(--sm-line);
  border-radius: var(--sm-radius);
  box-shadow: 0 1px 2px rgba(20, 20, 26, 0.05);
}

.ns-card.is-focus {
  border-color: var(--sm-accent-deep);
  box-shadow: 0 0 0 2px rgba(201, 54, 32, 0.25);
}

.ns-card__h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.ns-card__h h3 {
  font-size: 1.02rem;
  font-weight: 800;
}

.ns-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.ns-fields .ns-f-wide {
  grid-column: 1 / -1;
}

@media (max-width: 400px) {
  .ns-fields {
    grid-template-columns: 1fr;
  }
}

.ns-iface + .ns-iface {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--sm-line-2);
}

.ns-iface__t {
  margin-bottom: 0.4rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sm-ink-2);
}

.ns-issues {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.6rem;
}

.ns-issues:empty {
  display: none;
}

.ns-issue {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.45rem;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  font-size: 0.84rem;
  line-height: 1.4;
}

.ns-issue--error {
  background: var(--sm-accent-soft);
  color: var(--sm-accent-ink);
}

.ns-issue--warn {
  background: var(--sm-warn-soft);
  color: var(--sm-warn);
}

.ns-issue svg {
  margin-top: 0.1rem;
  flex: none;
}

.ns-info {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.7rem;
  margin-top: 0.65rem;
  font-size: 0.84rem;
}

.ns-info dt {
  color: var(--sm-ink-2);
  font-weight: 600;
}

.ns-info dd {
  font-family: var(--sm-mono);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.ns-info .ns-bin {
  grid-column: 1 / -1;
}

.ns-rt {
  width: 100%;
  margin-top: 0.65rem;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.ns-rt caption {
  caption-side: top;
  padding-bottom: 0.2rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sm-ink-2);
}

.ns-rt th,
.ns-rt td {
  padding: 0.2rem 0.4rem;
  text-align: left;
  border-top: 1px solid var(--sm-line);
  font-family: var(--sm-mono);
  font-weight: 600;
}

.ns-rt th {
  font-family: "Manrope", sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--sm-ink-2);
  background: var(--sm-cream);
}

.ns-rt td:last-child {
  font-family: "Manrope", sans-serif;
  font-weight: 600;
  color: var(--sm-ink-2);
}

/* ---------- résultat ---------- */

.ns-result__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  margin-bottom: 0.7rem;
}

.ns-result__head .sm-label {
  margin: 0;
}

.ns-result__opts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
}

.ns-verdict-code {
  display: inline-block;
  margin-top: 0.15rem;
  padding: 0.05rem 0.4rem;
  border-radius: 5px;
  background: rgba(20, 20, 26, 0.08);
  font-family: var(--sm-mono);
  font-size: 0.82rem;
}

.ns-steps {
  margin-top: 0.75rem;
}

.ns-phase {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 1rem 0 0.15rem;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--sm-ink-2);
}

.ns-phase::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--sm-line-2);
}

.ns-phase:first-child {
  margin-top: 0;
}

.ns-step {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.2rem 0.75rem;
  padding: 0.7rem 0.5rem;
  border-top: 1px solid var(--sm-line);
  border-radius: 8px;
}

.ns-phase + .ns-step {
  border-top: 0;
}

.ns-step:hover,
.ns-step.is-focus {
  background: var(--sm-cream);
}

.ns-step__n {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--sm-ink);
  color: var(--sm-cream);
  font-size: 0.78rem;
  font-weight: 800;
}

.ns-step--ko .ns-step__n {
  background: var(--sm-accent-deep);
  color: #fff;
}

.ns-step--okend .ns-step__n {
  background: var(--sm-ok);
  color: #fff;
}

.ns-step__t {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  font-size: 0.97rem;
  font-weight: 800;
  line-height: 1.3;
}

.ns-step__p {
  margin-top: 0.2rem;
  color: var(--sm-ink);
  font-size: 0.9rem;
  max-width: 78ch;
}

.ns-step--ko .ns-step__t {
  color: var(--sm-accent-ink);
}

.ns-step > div {
  min-width: 0;
}

.ns-calc {
  margin-top: 0.6rem;
  overflow-x: auto;
  border: 1px solid var(--sm-line-2);
  border-radius: 10px;
  background: #fff;
  max-width: 100%;
}

.ns-calc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.ns-calc caption {
  padding: 0.45rem 0.65rem;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sm-ink-2);
  background: var(--sm-cream);
  border-bottom: 1px solid var(--sm-line-2);
}

.ns-calc th,
.ns-calc td {
  padding: 0.35rem 0.65rem;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--sm-line);
}

.ns-calc th {
  width: 36%;
  font-weight: 700;
  color: var(--sm-ink-2);
  font-size: 0.8rem;
}

.ns-calc td {
  font-family: var(--sm-mono);
  font-weight: 600;
  white-space: nowrap;
}

.ns-dotted {
  display: block;
}

.ns-bits {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.01em;
}

.ns-calc tr.is-result th,
.ns-calc tr.is-result td {
  background: var(--sm-cream);
  color: var(--sm-ink);
}

.ns-calc tr.is-result td {
  font-weight: 800;
}

.ns-net {
  font-weight: 800;
  color: var(--sm-ink);
}

.ns-host {
  color: var(--sm-ink-3);
}

.ns-calc__v {
  padding: 0.4rem 0.65rem;
  border-top: 1px solid var(--sm-line-2);
  font-size: 0.84rem;
  font-weight: 700;
  background: var(--sm-cream);
}

.ns-calc__v.is-same {
  color: var(--sm-ok);
}

.ns-calc__v.is-diff {
  color: var(--sm-accent-ink);
}

.ns-frame {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.8rem;
  margin-top: 0.6rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--sm-line-2);
  border-radius: 10px;
  background: #fff;
  font-size: 0.82rem;
}

.ns-frame dt {
  font-weight: 800;
  color: var(--sm-ink-2);
}

.ns-frame dd {
  font-family: var(--sm-mono);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.ns-frame b {
  font-weight: 800;
}

.ns-ttl-chip {
  margin-left: 0.5rem;
  padding: 0 0.4rem;
  border-radius: 5px;
  background: var(--sm-cream-2);
  font-weight: 800;
}

/* ---------- qui peut joindre qui ---------- */

.ns-matrix .sm-note {
  margin-bottom: 0.7rem;
}

.ns-matrix__wrap {
  overflow-x: auto;
}

.ns-mx {
  border-collapse: separate;
  border-spacing: 6px;
  min-width: 22rem;
}

.ns-mx th {
  padding: 0.3rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--sm-ink-2);
  text-align: center;
}

.ns-mx th[scope="row"] {
  text-align: right;
  white-space: nowrap;
}

.ns-cell {
  display: block;
  width: 100%;
  min-width: 7rem;
  min-height: 44px;
  padding: 0.35rem 0.6rem;
  border: 1.5px solid var(--sm-line-2);
  border-radius: 9px;
  background: #fff;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
}

.ns-cell--ok {
  border-color: var(--sm-ok-line);
  background: var(--sm-ok-soft);
  color: var(--sm-ok);
}

.ns-cell--ko {
  border-color: var(--sm-accent);
  background: var(--sm-accent-soft);
  color: var(--sm-accent-ink);
}

.ns-cell:hover {
  box-shadow: 0 0 0 2px var(--sm-ink);
}

.ns-mx__self {
  display: block;
  text-align: center;
  color: var(--sm-ink-3);
  font-weight: 800;
}

/* ---------- téléphone : tout doit tenir sans faire défiler les tableaux ---------- */

@media (max-width: 520px) {
  .ns-step {
    grid-template-columns: 1.6rem minmax(0, 1fr);
    gap: 0.2rem 0.5rem;
    padding-left: 0.15rem;
    padding-right: 0.15rem;
  }

  .ns-step__n {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.72rem;
  }

  .ns-calc th,
  .ns-calc td {
    padding: 0.35rem 0.45rem;
  }

  .ns-calc th {
    font-size: 0.74rem;
  }

  .ns-calc td {
    white-space: normal;
  }

  .ns-bits {
    font-size: 0.72rem;
    letter-spacing: 0;
  }

  .ns-mx {
    width: 100%;
    min-width: 0;
    border-spacing: 4px;
  }

  .ns-mx th {
    padding: 0.25rem 0.15rem;
    font-size: 0.74rem;
  }

  .ns-cell {
    min-width: 0;
    padding: 0.35rem 0.15rem;
    font-size: 0.8rem;
  }
}

.ns-calc:focus-visible,
.ns-matrix__wrap:focus-visible {
  outline: 3px solid var(--sm-ink);
  outline-offset: 2px;
}