/* Лаборатория «Компьютерные сети»: поле, карточка устройства, цели и журнал. Токены приложения, обе темы. */
.nl {
  container-type: inline-size;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}
.nl-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
@container (min-width: 820px) {
  .nl-main {
    grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr);
  }
}
.nl-boardcard,
.nl-panel,
.nl-goals,
.nl-log {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  min-width: 0;
}
.nl-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.nl-spacer {
  flex: 1;
}
.nl-hint,
.nl-notice {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--muted);
}
.nl-notice {
  color: var(--error);
}
.nl-caption {
  margin: 6px 0 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--s-accent);
  min-height: 18px;
}
.nl-board {
  width: 100%;
  height: auto;
  display: block;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
  user-select: none;
}
.nl-link line {
  stroke: var(--s-muted);
  stroke-width: 2;
}
.nl-link .hit {
  stroke: transparent;
  stroke-width: 14;
  cursor: pointer;
}
.nl-link.on line:not(.hit) {
  stroke: var(--s-amber);
}
.nl-link.down line:not(.hit) {
  stroke: var(--s-red);
  stroke-dasharray: 4 4;
}
.nl-port,
.nl-km {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  fill: var(--s-muted);
  text-anchor: middle;
}
.nl-dev {
  cursor: pointer;
}
.nl-dev rect {
  fill: var(--s-panel);
  stroke: var(--s-border);
  stroke-width: 1.5;
}
.nl-dev:hover rect {
  stroke: var(--s-accent);
}
.nl-dev.on rect {
  stroke: var(--s-accent);
  stroke-width: 2.5;
}
.nl-dev.from rect {
  stroke: var(--s-amber);
  stroke-width: 2.5;
}
.nl-dev.locked rect {
  stroke-dasharray: 4 3;
}
.nl-dev .nl-ico {
  fill: none;
  stroke: var(--s-text);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.nl-dev.router .nl-ico,
.nl-dev.internet .nl-ico {
  stroke: var(--s-blue);
}
.nl-dev.switch .nl-ico {
  stroke: var(--s-amber);
}
.nl-dev.server .nl-ico {
  stroke: var(--s-accent);
}
.nl-name {
  font-size: 12.5px;
  fill: var(--s-text);
  text-anchor: middle;
  font-weight: 600;
}
.nl-ip {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  fill: var(--s-muted);
  text-anchor: middle;
}
.nl-dot circle {
  fill: var(--s-accent);
  stroke: var(--s-bg);
  stroke-width: 1.5;
}
.nl-dot.arp circle {
  fill: var(--s-amber);
}
.nl-dot.tcp circle {
  fill: var(--s-blue);
}
.nl-mark text {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  text-anchor: middle;
  fill: var(--s-text);
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 3px;
}
.nl-mark.drop text,
.nl-mark.fw text {
  fill: var(--s-red);
}
.nl-mark.nat text {
  fill: var(--s-violet);
}

.nl-panel-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.nl-panel-head h4,
.nl-sec h4,
.nl-goals h4,
.nl-log h4 {
  margin: 0 0 6px;
  font-size: 13px;
}
.nl-kind,
.nl-lock {
  font-size: 11px;
  color: var(--muted);
}
.nl-lock {
  color: var(--amber);
}
.nl-tabs {
  display: flex;
  gap: 4px;
  margin: 8px 0;
  border-bottom: 1px solid var(--border);
}
.nl-tabs button {
  background: none;
  border: 0;
  padding: 6px 10px;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  border-bottom: 2px solid transparent;
}
.nl-tabs button.on {
  color: var(--text);
  border-bottom-color: var(--s-accent);
}
.nl-cfg {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.nl-sec {
  min-width: 0;
}
.nl-iface {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.nl-iface-name {
  display: flex;
  flex-direction: column;
  min-width: 54px;
  font-size: 12px;
}
.nl-iface-name small {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  color: var(--muted);
}
.nl input[type="text"],
.nl input:not([type]),
.nl select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  min-width: 0;
}
.nl-iface input:not([type]) {
  width: 130px;
}
.nl-iface .nl-prefix,
.nl-add .nl-prefix {
  width: 44px;
}
.nl-add .nl-prefix.wide {
  width: 64px;
}
.nl-slash {
  color: var(--muted);
}
.nl-up {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.nl-err {
  flex-basis: 100%;
  font-size: 11.5px;
  color: var(--error);
  font-style: normal;
}
.nl-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}
.nl-field input {
  width: 100%;
}
.nl-table {
  width: 100%;
  border-collapse: collapse;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
}
.nl-table td {
  padding: 3px 6px;
  border-bottom: 1px solid var(--border);
}
.nl-add {
  display: flex;
  gap: 6px;
  margin-top: 6px;
  align-items: center;
  flex-wrap: wrap;
}
.nl-add input:not([type]) {
  flex: 1;
  min-width: 100px;
}
.nl-lbl {
  font-size: 12px;
  color: var(--muted);
}
.nl-rules {
  margin: 6px 0 0;
  padding-left: 18px;
  font-size: 12px;
}
.nl-rules li {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 2px 0;
}
.nl-rules code {
  font-size: 11.5px;
}
.nl-none {
  color: var(--muted);
  font-size: 12px;
  list-style: none;
}
.nl-x {
  background: none;
  border: 0;
  color: var(--error);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
}

.nl-term {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--s-ink);
  color: var(--s-onink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  cursor: text;
}
.nl-term:focus-within {
  border-color: var(--s-accent);
  box-shadow: 0 0 0 1px var(--s-accent);
}
.nl-term-out {
  height: 260px;
  overflow: auto;
  padding: 8px 10px;
  white-space: pre-wrap;
  word-break: break-word;
}
.nl-term-out .cmd {
  color: var(--s-accent);
}
.nl-term-hint {
  color: var(--s-muted);
}
.nl-term-in {
  display: flex;
  gap: 6px;
  padding: 6px 10px;
  border-top: 1px solid var(--s-border);
  align-items: center;
}
.nl-term-in span {
  color: var(--s-accent);
  white-space: nowrap;
}
.nl-term-in input {
  flex: 1;
  background: transparent !important;
  border: 0 !important;
  color: var(--s-onink) !important;
  outline: none;
  padding: 0 !important;
  caret-color: var(--s-accent);
}

.nl-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
@container (min-width: 820px) {
  .nl-bottom {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  }
}
.nl-goals ul {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
}
.nl-goals li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 5px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.nl-gmark {
  width: 20px;
  text-align: center;
  color: var(--muted);
  flex: none;
}
.nl-goals li.ok .nl-gmark {
  color: var(--s-accent);
}
.nl-goals li.bad .nl-gmark {
  color: var(--s-red);
}
.nl-gtext {
  flex: 1;
  min-width: 0;
}
.nl-gtext small {
  display: block;
  color: var(--muted);
  font-size: 11.5px;
}
.nl-play {
  background: none;
  border: 1px solid var(--border);
  color: var(--s-accent);
  border-radius: 6px;
  cursor: pointer;
  padding: 2px 8px;
  font-size: 11px;
}
.nl-actions {
  margin-bottom: 10px;
}
.nl-log ol {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 260px;
  overflow: auto;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
}
.nl-log li {
  display: grid;
  grid-template-columns: 62px 96px minmax(0, 1fr);
  gap: 8px;
  padding: 2px 0;
  border-bottom: 1px dashed var(--border);
}
.nl-log time {
  color: var(--muted);
}
.nl-log b {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nl-log li.arp b {
  color: var(--s-amber);
}
.nl-log li.drop span,
.nl-log li.fw span {
  color: var(--s-red);
}
.nl-log li.nat span {
  color: var(--s-violet);
}
.nl-log li.learn span {
  color: var(--muted);
}
.nl-log small {
  font-weight: 400;
  color: var(--muted);
}

.nl-ports {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
}
.nl-up.off {
  color: var(--s-red);
}

.nl-log li.loop span,
.nl-log li.conflict span {
  color: var(--s-red);
}
.nl-log li.conflict b,
.nl-log li.loop b {
  color: var(--s-red);
}

.nl-chart {
  margin: 8px 0 0;
}
.nl-chart svg {
  width: 100%;
  height: auto;
  display: block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.nl-chart .ax {
  stroke: var(--s-muted);
  stroke-width: 1;
}
.nl-chart .cw {
  fill: none;
  stroke: var(--s-accent);
  stroke-width: 2;
}
.nl-chart .bdp {
  stroke: var(--s-amber);
  stroke-dasharray: 5 4;
}
.nl-chart .rw {
  stroke: var(--s-red);
  stroke-dasharray: 3 3;
  fill: var(--s-red);
}
.nl-chart .lbl {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9.5px;
  fill: var(--s-muted);
}
.nl-chart .lbl.rw {
  fill: var(--s-red);
}
.nl-chart figcaption {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}