:root {
  color-scheme: dark;
  --bg: #0d0f10;
  --surface: #141718;
  --surface-2: #191d1e;
  --line: #303637;
  --line-strong: #485051;
  --text: #edf0eb;
  --muted: #969e99;
  --quiet: #68716d;
  --accent: #b9d77b;
  --accent-ink: #18200d;
  --danger: #e28c7f;
  --warning: #d8bd72;
  --success: #9ec66d;
  --radius: 6px;
  --sidebar: 252px;
  --topbar: 72px;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --sans: "Avenir Next", Avenir, "Segoe UI Variable", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  color: var(--accent-ink);
  background: var(--accent);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  padding: 9px 12px;
  color: var(--accent-ink);
  background: var(--accent);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  min-height: 100dvh;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 8;
  display: flex;
  width: var(--sidebar);
  min-height: 100dvh;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: #101213;
}

.brand {
  display: flex;
  min-height: var(--topbar);
  align-items: center;
  gap: 12px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
}

.brand-mark,
.auth-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 3px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 14px;
  letter-spacing: 0.01em;
}

.brand small {
  margin-top: 1px;
  color: var(--muted);
  font-size: 11px;
}

.nav-stack {
  display: grid;
  gap: 4px;
  padding: 22px 14px;
}

.nav-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  width: 100%;
  min-height: 44px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.nav-item:hover {
  color: var(--text);
  background: var(--surface);
}

.nav-item.active {
  border-color: #3a4137;
  color: var(--text);
  background: #1b201b;
}

.nav-index,
.kicker,
.data-stamp,
.clock,
.breadcrumb,
.surface-heading small,
.metrics small,
.architecture-strip span,
.result-console > span {
  font-family: var(--mono);
}

.nav-index {
  color: var(--quiet);
  font-size: 10px;
}

.nav-item.active .nav-index {
  color: var(--accent);
}

.sidebar-status {
  display: grid;
  gap: 10px;
  margin: auto 14px 0;
  padding: 16px 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.status-line {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
}

.status-line strong {
  color: var(--text);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warning);
}

.status-dot.online {
  background: var(--success);
}

.status-dot.offline {
  background: var(--danger);
}

.status-dot.muted {
  background: var(--quiet);
}

.sidebar-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 14px;
}

.main-column {
  grid-column: 2;
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  min-height: var(--topbar);
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 30px;
  border-bottom: 1px solid var(--line);
  background: rgb(13 15 16 / 0.94);
  backdrop-filter: blur(12px);
}

.breadcrumb,
.connection-copy {
  margin: 0;
}

.breadcrumb {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.connection-copy {
  margin-top: 2px;
  color: var(--text);
  font-size: 12px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.clock {
  min-width: 66px;
  color: var(--muted);
  font-size: 11px;
  text-align: right;
}

.menu-button {
  display: none;
}

main {
  width: min(100%, 1540px);
  margin: 0 auto;
  padding: 42px 34px 64px;
}

.view[hidden] {
  display: none;
}

.view.active {
  animation: view-in 220ms ease both;
}

@keyframes view-in {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.page-heading > div {
  max-width: 760px;
}

.page-heading h1,
.auth-dialog h1 {
  margin: 8px 0 0;
  font-size: clamp(32px, 4vw, 58px);
  font-weight: 520;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.page-heading p:not(.kicker),
.auth-dialog p:not(.kicker) {
  max-width: 620px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.kicker {
  margin: 0;
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.primary-button,
.secondary-button,
.quiet-button,
.menu-button {
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius);
  white-space: nowrap;
  cursor: pointer;
  transition: transform 120ms ease, border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.primary-button:active,
.secondary-button:active,
.quiet-button:active,
.menu-button:active {
  transform: translateY(1px);
}

.primary-button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 650;
}

.primary-button:hover {
  background: #c6e48a;
}

.secondary-button {
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--text);
}

.secondary-button:hover,
.quiet-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.quiet-button,
.menu-button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 20px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.metrics article {
  min-width: 0;
  padding: 20px 22px;
  border-right: 1px solid var(--line);
}

.metrics article:last-child {
  border-right: 0;
}

.metrics span,
.metrics strong,
.metrics small {
  display: block;
}

.metrics span {
  color: var(--muted);
  font-size: 11px;
}

.metrics strong {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: clamp(27px, 3vw, 42px);
  font-weight: 500;
  line-height: 1;
}

.metrics strong.word-metric {
  font-size: clamp(21px, 2.4vw, 31px);
}

.metrics small {
  margin-top: 9px;
  color: var(--quiet);
  font-size: 9px;
  text-transform: uppercase;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.7fr);
  gap: 20px;
}

.surface {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.surface-heading {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.surface-heading h2,
.pairing-panel h2,
.boundary-panel h2 {
  margin: 5px 0 0;
  font-size: 18px;
  font-weight: 540;
  letter-spacing: -0.02em;
}

.data-stamp {
  color: var(--quiet);
  font-size: 9px;
  text-transform: uppercase;
}

.topology-board {
  min-height: 350px;
  padding: 18px;
}

.topology-group {
  display: grid;
  grid-template-columns: minmax(120px, 0.45fr) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.topology-group:first-child {
  padding-top: 0;
}

.topology-group:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.topology-group > strong {
  font-size: 12px;
  font-weight: 550;
}

.topology-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.node,
.resource-chip,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 10px;
}

.node,
.resource-chip {
  min-height: 30px;
  padding: 5px 9px;
}

.node::before,
.status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--quiet);
}

.node.online::before,
.status-badge.online::before {
  background: var(--success);
}

.node.offline::before,
.status-badge.offline::before {
  background: var(--danger);
}

.event-list {
  display: grid;
  max-height: 350px;
  overflow: auto;
}

.event-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}

.event-row:last-child {
  border-bottom: 0;
}

.event-row time {
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 9px;
}

.event-row p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.event-row strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
  font-size: 11px;
  font-weight: 550;
}

.architecture-strip {
  display: grid;
  grid-template-columns: auto minmax(30px, 1fr) auto minmax(30px, 1fr) auto minmax(30px, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  padding: 20px;
  border: 1px solid var(--line);
}

.architecture-strip div {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 8px;
}

.architecture-strip span {
  grid-row: span 2;
  color: var(--accent);
  font-size: 9px;
}

.architecture-strip strong,
.architecture-strip small {
  display: block;
}

.architecture-strip strong {
  font-size: 11px;
  font-weight: 600;
}

.architecture-strip small {
  color: var(--quiet);
  font-size: 9px;
}

.architecture-strip i {
  height: 1px;
  background: var(--line-strong);
}

.architecture-strip i.data-line {
  border-top: 1px dashed var(--accent);
  background: none;
}

.machine-layout,
.data-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.65fr);
  gap: 20px;
}

.machine-list,
.setup-list {
  display: grid;
  gap: 12px;
}

.machine-row,
.setup-row {
  display: grid;
  grid-template-columns: minmax(160px, 0.8fr) minmax(180px, 1fr) minmax(180px, 1.4fr);
  gap: 20px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.machine-row h2,
.setup-row h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 560;
}

.machine-row p,
.setup-row p,
.pairing-panel p,
.boundary-panel p,
.empty-copy {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.machine-meta,
.setup-meta {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.resource-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pairing-panel,
.boundary-panel {
  align-self: start;
  padding: 22px;
}

pre,
.code-input {
  font-family: var(--mono);
}

.pairing-panel pre {
  margin: 20px 0;
  padding: 14px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--accent);
  background: #0d1010;
  font-size: 10px;
  line-height: 1.75;
}

.notice {
  padding-left: 10px;
  border-left: 2px solid var(--warning);
}

.form-surface {
  margin-top: 20px;
}

.form-grid,
.stacked-form {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wide-field {
  grid-column: 1 / -1;
}

label,
fieldset {
  min-width: 0;
}

label > span,
legend,
.pickup-search label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 550;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--text);
  background: #0f1213;
}

input,
select {
  min-height: 42px;
  padding: 0 11px;
}

textarea {
  min-height: 78px;
  padding: 10px 11px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #626965;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 1px var(--accent);
}

fieldset {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.choice-list {
  display: grid;
  gap: 7px;
  max-height: 190px;
  overflow: auto;
}

.choice-list label {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: 8px;
  padding: 7px;
  border-radius: 3px;
  color: var(--text);
  background: #111415;
  font-family: var(--mono);
  font-size: 10px;
}

.choice-list input {
  width: 14px;
  min-height: 14px;
  margin: 1px 0 0;
  accent-color: var(--accent);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-status {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.dispatch-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.dispatch-grid .form-surface {
  margin: 0;
}

.code-input {
  font-size: 11px;
  line-height: 1.6;
}

.result-console {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0a0c0d;
}

.result-console > span {
  display: block;
  padding: 9px 13px;
  border-bottom: 1px solid var(--line);
  color: var(--quiet);
  font-size: 9px;
  text-transform: uppercase;
}

.result-console pre {
  min-height: 120px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  color: var(--accent);
  font-size: 10px;
  line-height: 1.6;
}

.pickup-search {
  display: grid;
  min-height: 360px;
  align-content: center;
  padding: clamp(24px, 5vw, 72px);
  border: 1px solid var(--line);
  background: var(--surface);
}

.pickup-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.pickup-input-row input {
  min-height: 52px;
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pickup-result {
  margin-top: 18px;
}

.record-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
}

.record-grid div {
  padding: 11px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.record-grid div:nth-child(2n) {
  border-right: 0;
}

.record-grid span,
.record-grid strong {
  display: block;
}

.record-grid span {
  color: var(--quiet);
  font-size: 9px;
  text-transform: uppercase;
}

.record-grid strong {
  margin-top: 4px;
  overflow-wrap: anywhere;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
}

.boundary-flow {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.boundary-flow div {
  padding: 14px;
  border: 1px solid var(--line);
  background: #101314;
}

.boundary-flow strong,
.boundary-flow span {
  display: block;
}

.boundary-flow strong {
  font-size: 12px;
}

.boundary-flow span {
  margin-top: 5px;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 9px;
}

.boundary-flow i {
  width: 1px;
  height: 24px;
  margin: -4px 0 -4px 18px;
  border-left: 1px dashed var(--accent);
}

.empty-state {
  display: grid;
  min-height: 180px;
  place-items: center;
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
}

.status-badge {
  width: fit-content;
  padding: 4px 8px;
  text-transform: uppercase;
}

.skeleton {
  width: 75%;
  height: 32px;
  margin-bottom: 14px;
  border-radius: 3px;
  background: #212526;
  animation: skeleton 1.3s ease-in-out infinite alternate;
}

.skeleton.wide { width: 100%; }
.skeleton.short { width: 46%; }

@keyframes skeleton {
  to { background: #292e2f; }
}

.auth-dialog {
  width: min(430px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--text);
  background: #121516;
  box-shadow: 0 30px 90px rgb(0 0 0 / 0.46);
}

.auth-dialog::backdrop {
  background: rgb(7 8 9 / 0.82);
  backdrop-filter: blur(5px);
}

.auth-dialog form {
  padding: 30px;
}

.auth-mark {
  margin-bottom: 26px;
}

.auth-dialog h1 {
  font-size: 36px;
}

.auth-dialog label {
  display: block;
  margin-top: 24px;
}

.auth-error {
  min-height: 18px;
  margin: 8px 0 !important;
  color: var(--danger) !important;
  font-family: var(--mono);
  font-size: 10px !important;
}

.full-button {
  width: 100%;
  margin-top: 4px;
}

.auth-dialog small {
  display: block;
  margin-top: 14px;
  color: var(--quiet);
  font-size: 10px;
  text-align: center;
}

.toast-region {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 15;
  display: grid;
  gap: 8px;
  width: min(360px, calc(100vw - 36px));
}

.toast {
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  color: var(--text);
  background: #181c1d;
  font-size: 11px;
  box-shadow: 0 16px 40px rgb(0 0 0 / 0.3);
}

.toast.error {
  border-left-color: var(--danger);
}

@media (max-width: 1080px) {
  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metrics article:nth-child(2) {
    border-right: 0;
  }

  .metrics article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .overview-grid,
  .machine-layout,
  .data-layout,
  .dispatch-grid {
    grid-template-columns: 1fr;
  }

  .architecture-strip {
    grid-template-columns: 1fr;
  }

  .architecture-strip i {
    width: 1px;
    height: 18px;
    margin-left: 12px;
  }

  .machine-row,
  .setup-row {
    grid-template-columns: 1fr 1fr;
  }

  .machine-row > :last-child,
  .setup-row > :last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    width: min(290px, 88vw);
    transform: translateX(-104%);
    transition: transform 180ms ease;
    box-shadow: 20px 0 50px rgb(0 0 0 / 0.4);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-column {
    width: 100%;
  }

  .topbar {
    padding: 0 14px;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
  }

  .topbar-actions .clock,
  .connection-copy {
    display: none;
  }

  main {
    padding: 28px 16px 50px;
  }

  .page-heading {
    display: grid;
    align-items: start;
  }

  .page-heading h1 {
    font-size: 38px;
  }

  .page-heading > button {
    width: fit-content;
  }

  .metrics,
  .form-grid,
  .record-grid {
    grid-template-columns: 1fr;
  }

  .metrics article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metrics article:last-child {
    border-bottom: 0;
  }

  .machine-row,
  .setup-row {
    grid-template-columns: 1fr;
  }

  .machine-row > :last-child,
  .setup-row > :last-child,
  .wide-field {
    grid-column: auto;
  }

  .topology-group {
    grid-template-columns: 1fr;
  }

  .pickup-input-row {
    grid-template-columns: 1fr;
  }

  .record-grid div,
  .record-grid div:nth-child(2n) {
    border-right: 0;
  }

  .auth-dialog form {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}