:root {
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: #173447;
  background: #eef3f4;
  font-synthesis: none;
  --navy: #0b3148;
  --teal: #07877c;
  --line: #d9e4e7;
  --muted: #647d89;
  --red: #bb394a;
  --shadow: 0 12px 32px rgba(16, 48, 66, 0.07);
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  min-width: 320px;
}
.topbar {
  height: 84px;
  padding: 0 max(24px, calc((100vw - 1480px) / 2));
  background: linear-gradient(108deg, #082b43, #104661);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 3px 12px #092a4033;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  width: 33px;
  height: 33px;
  border-radius: 50%;
  border: 5px solid #4fd2c5;
  box-shadow: inset 0 0 0 5px #0c3851;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 2.2px;
  color: #8ce5dc;
  font-weight: 700;
}
.brand h1 {
  font-size: 25px;
  margin: 2px 0 0;
}
.top-status {
  display: flex;
  gap: 18px;
  align-items: center;
}
.mode {
  padding: 7px 11px;
  border: 1px solid #ffffff35;
  border-radius: 7px;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.8px;
}
.link-state {
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.link-state i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #f1c35b;
}
.link-state.online i {
  background: #50d1a9;
  box-shadow: 0 0 0 4px #50d1a922;
}
.link-state.error i {
  background: #ff7181;
}
main {
  max-width: 1480px;
  margin: auto;
  padding: 24px;
}
.card {
  background: #fff;
  border: 1px solid #e2eaec;
  border-radius: 15px;
  box-shadow: var(--shadow);
}
h2 {
  font-size: 18px;
  margin: 0;
  color: #15354a;
}
h3 {
  font-size: 13px;
  margin: 18px 0 8px;
}
p {
  color: var(--muted);
  line-height: 1.45;
  margin: 5px 0;
  font-size: 13px;
}
.heading {
  display: flex;
  align-items: center;
  gap: 12px;
}
.step {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  background: #dcf4f1;
  color: #05766e;
  font-weight: 800;
  flex: none;
}
.connection {
  padding: 16px 20px;
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(340px, 1.2fr);
  align-items: center;
  gap: 20px;
}
.connection-actions {
  display: flex;
  grid-column: 1 / -1;
  gap: 9px;
  align-items: center;
}
.connection-actions #scan {
  min-width: 150px;
}
.transport-choice {
  align-items: center;
  border: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0 0 16px;
  padding: 0;
}
.transport-choice legend {
  font-weight: 700;
  margin-bottom: 8px;
  width: 100%;
}
.transport-choice small {
  color: var(--muted);
}
.device-select select {
  min-width: 245px;
}
.metrics {
  display: grid;
  grid-template-columns: 1.35fr 0.7fr 0.8fr 1fr;
  gap: 14px;
  margin-top: 14px;
}
.metric {
  padding: 15px 18px;
  display: grid;
  gap: 3px;
}
.metric-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 700;
}
.metric strong {
  font-size: 19px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.metric small {
  color: #718893;
}
.state {
  font-size: 13px !important;
  color: #6d7f88;
}
.state.idle {
  color: #08786f;
}
.state.streaming,
.state.error {
  color: #bb394a;
}
.workspace {
  display: grid;
  grid-template-columns: minmax(520px, 2fr) minmax(330px, 0.78fr);
  gap: 18px;
  margin-top: 18px;
}
.chart-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-self: start;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 21px;
}
.section-head.compact {
  justify-content: flex-start;
}
.channel {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
}
.plot-wrap {
  position: relative;
  height: clamp(240px, 42vh, 460px);
  margin-top: 14px;
  padding: 10px 10px 29px 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(#fbfdfd, #f7fafb);
}
canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.plot-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  color: #78909a;
  pointer-events: none;
}
.plot-empty strong {
  font-size: 16px;
}
.plot-empty span {
  font-size: 13px;
  margin-top: 5px;
}
.y-label,
.x-label {
  position: absolute;
  color: #82959e;
  font-size: 10px;
}
.y-label {
  left: 6px;
  top: 50%;
  transform: rotate(-90deg) translateX(-50%);
  transform-origin: left top;
}
.x-label {
  bottom: 7px;
  left: 50%;
  transform: translateX(-50%);
}
.quality {
  display: flex;
  gap: 17px;
  padding: 9px 4px 0;
  color: #718893;
  font-size: 11px;
}
.quality strong {
  color: #08786f;
}
.measure-bar {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.capture-state {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: 310px;
}
.capture-state div {
  display: grid;
}
.capture-state strong {
  font-size: 12px;
}
.capture-state span {
  font-size: 11px;
  color: var(--muted);
}
.capture-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #a8b6bb;
  flex: none;
}
.capture-indicator.active {
  background: var(--red);
  box-shadow: 0 0 0 5px #bb394a1b;
}
.download-panel {
  margin-top: 12px;
  padding: 11px 12px;
  background: #eaf7f5;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.download-panel[hidden] {
  display: none;
}
.download-panel div {
  display: grid;
}
.download-panel span {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}
aside {
  display: grid;
  gap: 18px;
  align-content: start;
}
.control-card,
.fault-card {
  padding: 18px;
}
.control-card > label {
  display: grid;
  gap: 5px;
  margin: 13px 0;
  color: #294759;
  font-size: 12px;
  font-weight: 700;
}
.control-card small {
  font-size: 11px;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.35;
}
.readback {
  font-size: 11px;
  background: #edf6f6;
  color: #3a6466;
  border-radius: 8px;
  padding: 9px 10px;
  margin: 12px 0;
}
.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 13px;
}
.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.segmented button {
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px;
}
.segmented button:first-child {
  border-radius: 8px 0 0 8px;
}
.segmented button:last-child {
  border-radius: 0 8px 8px 0;
}
.segmented button + button {
  border-left: 0;
}
.fault-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.fault-head span {
  font-size: 10px;
  border-radius: 20px;
  padding: 5px 8px;
  background: #e5f5f2;
  color: #08776e;
  font-weight: 700;
}
.fault-head span.bad {
  background: #fde9ec;
  color: #ae3344;
}
#faults {
  padding-left: 19px;
  margin: 12px 0;
  font-size: 12px;
  color: #a22f40;
}
#faults .muted {
  color: var(--muted);
}
.counters {
  display: flex;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  color: var(--muted);
  font-size: 10px;
}
.counters span {
  display: grid;
}
.counters strong {
  font-size: 13px;
  color: #294759;
  margin-top: 2px;
}
.help {
  padding: 19px 21px;
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: 16px;
  align-items: start;
}
.section-label {
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.service {
  padding: 22px;
  margin-top: 18px;
  display: grid;
  gap: 14px;
}
.training {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 28px;
  margin-top: 18px;
  padding: 22px;
}
.training-copy > p {
  max-width: 760px;
}
.training-copy > label {
  display: grid;
  gap: 6px;
  max-width: 520px;
  margin: 16px 0;
  color: #294759;
  font-size: 12px;
  font-weight: 700;
}
.training-buttons {
  max-width: 520px;
}
.training-feedback {
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f7fbfb;
}
.training-status-row,
.training-metrics {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.training-status-row span,
.training-metrics span {
  color: var(--muted);
  font-size: 11px;
}
.training-track {
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: #dce9eb;
}
.training-track div {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
  transition: width 180ms linear;
}
#training-value {
  color: #15354a;
  font-size: 20px;
}
#training-quality {
  color: var(--muted);
}
#training-quality.valid {
  color: #08786f;
}
#training-quality.paused {
  color: #b23b4c;
}
.training-metrics {
  margin-top: 6px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.training-metrics span {
  display: grid;
}
.training-metrics strong {
  color: #294759;
  font-size: 14px;
}
.service > .heading {
  justify-content: flex-start;
}
.service > .heading .button {
  margin-left: auto;
}
.service-group {
  border-top: 1px solid var(--line);
  padding-top: 13px;
}

.maintenance-connect {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 16px 0;
}

.maintenance-connect p {
  margin: 0;
}

@media (max-width: 640px) {
  .training {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .maintenance-connect {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }
}
.service-group summary {
  cursor: pointer;
  color: #15354a;
  font-size: 14px;
  font-weight: 750;
}
.service-group > div {
  padding: 12px 2px 2px;
}
.service-group label {
  display: grid;
  gap: 6px;
  margin: 10px 0;
  max-width: 620px;
}
.service-group label:has(input[type="checkbox"]) {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.service-group input[type="checkbox"] {
  width: auto;
  flex: none;
  margin-top: 3px;
}
.service-group .button-row {
  max-width: 720px;
}
.help details {
  border-left: 1px solid var(--line);
  padding-left: 15px;
}
.help {
  grid-template-columns: 1fr;
}
.help details {
  border-left: 0;
  border-top: 1px solid var(--line);
  padding: 12px 0 0;
}
.help summary {
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.help p {
  font-size: 11px;
}
.button,
select,
input {
  font: inherit;
}
.button {
  border: 0;
  border-radius: 9px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.15s ease;
}
.button:hover:not(:disabled) {
  transform: translateY(-1px);
}
.button.secondary {
  border: 1px solid #a9c2c8;
  background: #fff;
  color: #174256;
}
.button.primary {
  background: var(--teal);
  color: white;
  font-size: 15px;
  padding: 12px 19px;
}
.button.stop {
  background: var(--red);
  color: #fff;
  font-size: 15px;
  padding: 12px 20px;
}
body.streaming #stop {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  min-width: 132px;
  box-shadow: 0 10px 28px rgba(117, 25, 43, 0.32);
}
.button.text {
  background: transparent;
  color: #5d7783;
}
.button.download {
  background: #fff;
  color: #067970;
  border: 1px solid #8accc5;
  text-decoration: none;
}
.button.wide {
  width: 100%;
}
button:disabled,
select:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none !important;
}
.record-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  margin-right: 7px;
}
select {
  border: 1px solid #bcd0d5;
  border-radius: 8px;
  background: #fff;
  color: #24475a;
  padding: 9px 30px 9px 10px;
  min-width: 0;
}
input[type="text"],
input[type="file"] {
  border: 1px solid #bcd0d5;
  border-radius: 8px;
  background: #fff;
  color: #24475a;
  padding: 9px 11px;
}
input[type="file"]::file-selector-button {
  border: 0;
  border-radius: 6px;
  background: #e7f5f3;
  color: #086f69;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  margin: -5px 10px -5px -7px;
  padding: 7px 10px;
}
#toast {
  display: none;
  position: fixed;
  right: 25px;
  bottom: 25px;
  max-width: 420px;
  padding: 13px 16px;
  border-radius: 10px;
  background: #153b50;
  color: #fff;
  box-shadow: 0 8px 30px #0c263c44;
  font-size: 13px;
  z-index: 20;
}
#toast.bad {
  background: #a93445;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 1fr;
  }
  .help {
    grid-template-columns: 1fr 1fr;
  }
  .connection {
    align-items: flex-start;
    grid-template-columns: minmax(0, 1fr);
  }
  .connection-actions {
    width: 100%;
    flex-wrap: wrap;
  }
  .device-select {
    flex: 1;
  }
  .device-select select {
    width: 100%;
  }
}
@media (max-width: 720px) {
  .topbar {
    padding: 0 18px;
  }
  .mode {
    display: none;
  }
  main {
    padding: 13px;
  }
  .metrics {
    grid-template-columns: 1fr 1fr;
  }
  .metric strong {
    white-space: normal;
    overflow: visible;
  }
  .workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .plot-wrap {
    height: 330px;
  }
  .measure-bar {
    align-items: stretch;
    flex-wrap: wrap;
  }
  .capture-state {
    margin-left: 0;
    width: 100%;
  }
  .help {
    grid-template-columns: 1fr;
  }
  .help details {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 12px 0 0;
  }
  .connection-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .device-select {
    grid-column: 1/-1;
  }
  .top-status {
    gap: 8px;
  }
  .quality {
    flex-wrap: wrap;
  }
}

/* Compact test-workbench layout. */
main {
  max-width: 1360px;
  padding: 24px;
}
.topbar {
  height: 68px;
  padding-inline: max(24px, calc((100vw - 1360px) / 2 + 24px));
}
.brand-mark {
  width: 28px;
  height: 28px;
  border-width: 4px;
}
.brand h1 {
  font-size: 21px;
}
.connection,
.chart-card,
.control-card,
.fault-card,
.service,
.help {
  padding: 16px;
}
.connection {
  min-height: 72px;
}
.metrics {
  gap: 8px;
  margin-top: 8px;
}
.metric {
  min-height: 76px;
  padding: 12px 14px;
}
.metric strong {
  font-size: 16px;
}
.workspace {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.chart-card {
  grid-column: 1 / 3;
  grid-row: 1;
}
.workspace > aside {
  display: contents;
}
.workspace > aside > :first-child {
  grid-column: 3;
  grid-row: 1;
}
.workspace > aside > :nth-child(2) {
  grid-column: 3;
  grid-row: 2;
}
.workspace > aside > :nth-child(3) {
  grid-column: 1;
  grid-row: 2;
}
.workspace > aside > :nth-child(4) {
  grid-column: 2;
  grid-row: 2;
}
.plot-wrap {
  height: clamp(250px, 32vh, 350px);
  margin-top: 12px;
}
.section-head {
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 19px;
}
.control-card > label {
  margin: 9px 0;
}
.control-card h3 {
  margin-top: 12px;
}
.service,
.help {
  margin-top: 16px;
}
.service-group {
  padding-top: 10px;
}
.help {
  gap: 8px;
}
.help details {
  padding-top: 9px;
}

@media (max-width: 1000px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .chart-card,
  .workspace > aside > :first-child,
  .workspace > aside > :nth-child(2),
  .workspace > aside > :nth-child(3),
  .workspace > aside > :nth-child(4) {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (max-width: 480px) {
  .topbar {
    height: auto;
    min-height: 64px;
    padding: 10px 14px;
    gap: 8px;
  }
  .brand {
    gap: 8px;
  }
  .brand h1 {
    font-size: 18px;
  }
  .eyebrow {
    font-size: 8px;
    letter-spacing: 1.4px;
  }
  .link-state {
    max-width: 120px;
    text-align: right;
    justify-content: flex-end;
    font-size: 11px;
  }
  main {
    padding: 8px;
  }
  .connection,
  .chart-card,
  .control-card,
  .fault-card,
  .service,
  .help {
    padding: 12px;
    border-radius: 12px;
  }
  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .connection-actions,
  .button-row {
    grid-template-columns: minmax(0, 1fr);
  }
  .connection-actions > *,
  .button-row > *,
  .service-group .button-row {
    width: 100%;
    max-width: 100%;
  }
  .plot-wrap {
    height: 240px;
    padding-left: 34px;
  }
  .measure-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .capture-state {
    grid-column: 1 / -1;
  }
  .quality {
    gap: 8px 14px;
  }
  .service > .heading {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .service > .heading .button {
    margin-left: 40px;
  }
  #toast {
    inset: auto 8px 8px;
    max-width: none;
  }
  body.streaming #stop {
    right: 8px;
    bottom: 8px;
    width: calc(100% - 16px);
  }
}