:root {
  color-scheme: dark;
  --bg: #0a0d10;
  --panel: rgba(15, 21, 27, 0.84);
  --panel-strong: rgba(15, 21, 27, 0.96);
  --panel-soft: rgba(255, 255, 255, 0.08);
  --border: rgba(229, 235, 242, 0.14);
  --text: #eef4f8;
  --muted: #9aa8b7;
  --soft: #d4dee8;
  --green: #42c68a;
  --teal: #3dd6c6;
  --amber: #f0b45a;
  --red: #ee6b64;
  --blue: #72a7ff;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
}

button,
select,
.nav-button {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  color: var(--text);
}

button,
.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
}

button:hover,
select:hover,
.nav-button:hover {
  border-color: rgba(61, 214, 198, 0.55);
}

button:active {
  transform: translateY(1px);
}

.nav-button {
  background: rgba(255, 255, 255, 0.06);
  color: var(--soft);
}

select {
  padding: 0 34px 0 10px;
  outline: none;
}

input[type="checkbox"] {
  accent-color: var(--teal);
}

.app,
.viewer {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.viewer {
  background:
    radial-gradient(circle at 50% 100%, rgba(61, 214, 198, 0.12), transparent 34%),
    linear-gradient(180deg, #1b252f 0%, #11171d 58%, #0a0d10 100%);
}

.viewer canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hud {
  position: fixed;
  z-index: 5;
}

.hud-top {
  top: 74px;
  left: 18px;
  right: 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  pointer-events: none;
}

.brand,
.toolbar,
.panel,
.footer {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 62px;
  border-radius: 8px;
  padding: 11px 14px 11px 12px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--teal), rgba(114, 167, 255, 0.88)),
    #182027;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.brand h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 9px;
  border-radius: 8px;
  padding: 10px;
  pointer-events: auto;
  flex-wrap: wrap;
}

.select-field {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.select-field span {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.panel {
  border-radius: 8px;
  padding: 15px;
  pointer-events: auto;
  max-height: calc(100vh - 150px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(61, 214, 198, 0.45) rgba(255, 255, 255, 0.05);
}

.panel-left {
  top: 116px;
  left: 18px;
  width: min(360px, calc(100vw - 36px));
}

.mobile-panel-toggle {
  display: none;
}

.mobile-cruise-controls {
  display: none;
}

.mobile-joystick {
  display: none;
}

.panel-right {
  top: 116px;
  right: 18px;
  width: min(300px, calc(100vw - 36px));
}

.status-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.model-card {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 6px 10px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  padding: 9px;
}

.model-card small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
  text-transform: uppercase;
}

.model-card strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--soft);
  font-size: 12px;
  line-height: 1.2;
  white-space: nowrap;
}

.health-checks {
  margin: -2px 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  overflow: hidden;
}

.health-checks.is-empty {
  padding: 9px;
  color: var(--muted);
  font-size: 12px;
}

.policy-update {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  margin: -2px 0 12px;
  border: 1px solid rgba(240, 180, 90, 0.35);
  border-radius: 8px;
  background: rgba(240, 180, 90, 0.12);
  padding: 9px;
}

.policy-update span {
  min-width: 0;
  overflow: hidden;
  color: #ffe7be;
  font-size: 12px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.policy-update button {
  min-height: 32px;
  border-color: rgba(240, 180, 90, 0.45);
  background: rgba(240, 180, 90, 0.2);
  color: var(--text);
  font-size: 12px;
}

.health-checks-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 9px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.health-checks-head strong {
  color: var(--green);
  font-size: 11px;
  letter-spacing: 0;
  text-transform: none;
}

.health-checks-head strong.fail,
.health-checks.has-failures .health-checks-head strong {
  color: var(--red);
}

.health-checks-list {
  display: grid;
  max-height: 152px;
  overflow: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.health-check {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 8px;
  padding: 7px 9px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.health-check:first-child {
  border-top: 0;
}

.health-check span,
.health-check strong {
  min-width: 0;
  font-size: 12px;
  line-height: 1.2;
}

.health-check span {
  overflow: hidden;
  color: var(--soft);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.health-check strong {
  color: var(--green);
  text-transform: uppercase;
}

.health-check.fail strong {
  color: var(--red);
}

.health-check small {
  grid-column: 1 / -1;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dot-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: var(--soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dot-label i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 16px rgba(240, 180, 90, 0.45);
}

.dot-label.ready i {
  background: var(--green);
  box-shadow: 0 0 16px rgba(66, 198, 138, 0.5);
}

.dot-label.error i {
  background: var(--red);
  box-shadow: 0 0 16px rgba(238, 107, 100, 0.5);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.metric-grid div {
  min-width: 0;
  min-height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  padding: 8px;
}

.metric-grid small {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.1;
  white-space: nowrap;
}

.metric-grid strong {
  display: block;
  font-size: 18px;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  text-overflow: ellipsis;
}

.control-panel {
  margin-top: 13px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--soft);
  font-size: 13px;
  font-weight: 700;
}

.section-title output {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

#speedScale,
#payloadMass,
#terrainFriction,
.com-offset-row input {
  width: 100%;
  accent-color: var(--teal);
}

.payload-control {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.payload-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
  color: var(--soft);
  font-size: 12px;
  font-weight: 700;
}

.payload-control-row output {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.com-offset-control,
.imu-axis-control,
.signal-delay-control {
  margin-top: 9px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.com-offset-control summary,
.imu-axis-control summary,
.signal-delay-control summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 12px;
  align-items: center;
  gap: 7px;
  min-height: 26px;
  color: var(--soft);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.com-offset-control summary::-webkit-details-marker,
.imu-axis-control summary::-webkit-details-marker,
.signal-delay-control summary::-webkit-details-marker {
  display: none;
}

.com-offset-control summary:focus,
.imu-axis-control summary:focus,
.signal-delay-control summary:focus {
  outline: none;
}

.com-offset-control summary:focus-visible,
.imu-axis-control summary:focus-visible,
.signal-delay-control summary:focus-visible {
  border-radius: 4px;
  outline: 2px solid rgba(61, 214, 198, 0.62);
  outline-offset: 2px;
}

.com-offset-control summary::after,
.imu-axis-control summary::after,
.signal-delay-control summary::after {
  content: "›";
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
  transform: rotate(90deg);
  transition: transform 120ms ease;
}

.com-offset-control[open] summary::after,
.imu-axis-control[open] summary::after,
.signal-delay-control[open] summary::after {
  transform: rotate(-90deg);
}

#comOffsetSummary,
#imuAxisSummary,
#signalDelaySummary {
  max-width: 150px;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.com-offset-rows {
  display: grid;
  gap: 6px;
  margin-top: 7px;
}

.com-offset-row {
  display: grid;
  grid-template-columns: 48px minmax(80px, 1fr) 50px;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
}

.com-offset-row output {
  color: var(--soft);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.imu-axis-rows {
  display: grid;
  gap: 6px;
  margin-top: 7px;
}

.imu-axis-row {
  display: grid;
  grid-template-columns: minmax(68px, 1fr) repeat(3, 28px);
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
}

.imu-axis-toggle {
  position: relative;
  width: 28px;
  height: 24px;
  cursor: pointer;
}

.imu-axis-toggle input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.imu-axis-toggle span {
  display: grid;
  width: 28px;
  height: 24px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--soft);
  font-size: 11px;
  font-weight: 800;
}

.imu-axis-toggle input:checked + span {
  border-color: rgba(61, 214, 198, 0.82);
  background: rgba(61, 214, 198, 0.18);
  color: var(--text);
}

.imu-axis-toggle input:focus-visible + span {
  outline: 2px solid rgba(61, 214, 198, 0.72);
  outline-offset: 2px;
}

.signal-delay-rows {
  display: grid;
  gap: 6px;
  margin-top: 7px;
}

.signal-delay-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  align-items: center;
  gap: 8px;
}

.signal-delay-row label {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
  color: var(--soft);
  font-size: 11px;
  font-weight: 700;
}

.signal-delay-row input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--teal);
}

.signal-delay-row select {
  width: 112px;
  height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--text);
  font: inherit;
  font-size: 11px;
  text-align: center;
}

.jump-command-control {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.jump-command-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--soft);
  font-size: 12px;
  font-weight: 700;
}

.jump-command-row output {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.jump-command-presets {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin-top: 8px;
}

.jump-command-presets button {
  min-width: 0;
  height: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
}

.jump-command-presets button:hover,
.jump-command-presets button.active {
  border-color: rgba(61, 214, 198, 0.8);
  background: rgba(61, 214, 198, 0.16);
  color: #eafffb;
}

.key-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 7px;
  margin-top: 10px;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
}

kbd.active {
  border-color: rgba(61, 214, 198, 0.9);
  background: rgba(61, 214, 198, 0.18);
  color: var(--text);
  box-shadow: 0 0 24px rgba(61, 214, 198, 0.22);
}

.expert-bars {
  display: grid;
  gap: 9px;
}

.expert {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 46px;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  color: var(--muted);
  font-size: 12px;
}

.expert span:first-child,
.expert span:last-child {
  font-variant-numeric: tabular-nums;
}

.expert-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.expert-track i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  transition: width 90ms linear;
}

.footer {
  left: 50%;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 15px;
  transform: translateX(-50%);
  min-height: 42px;
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  pointer-events: auto;
}

.footer label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer span {
  font-variant-numeric: tabular-nums;
}

.loading {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  width: min(380px, calc(100vw - 36px));
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  padding: 18px;
  transform: translate(-50%, -50%);
}

.loading.is-error {
  border-color: rgba(238, 107, 100, 0.62);
  background: rgba(30, 18, 20, 0.96);
}

.loading strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.loading span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.loading.is-error span {
  color: #fecaca;
}

.loading-bar {
  height: 7px;
  overflow: hidden;
  margin-top: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.loading-bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--blue), var(--amber));
  transition: width 180ms ease;
}

.loading.is-error .loading-bar i {
  background: linear-gradient(90deg, var(--red), var(--amber));
}

.is-hidden {
  display: none;
}

@media (max-width: 980px) {
  body {
    overflow: auto;
  }

  .hud-top,
  .panel-left,
  .panel-right,
  .footer {
    position: absolute;
  }

  .hud-top {
    flex-direction: column;
  }

  .toolbar {
    flex-wrap: wrap;
  }

  .panel-left {
    top: 196px;
  }

  .panel-right {
    top: auto;
    right: auto;
    left: 18px;
    bottom: 78px;
  }

  .footer {
    left: 18px;
    right: 18px;
    transform: none;
    overflow-x: auto;
  }
}

@media (max-width: 620px) {
  .hud-top { top: 68px; left: 12px; right: 12px; }
  .brand, .toolbar, .panel, .footer { width: calc(100vw - 24px); }
  .brand { min-height: 48px; padding: 8px 10px; }
  .brand h1 { font-size: 16px; }
  .brand p { display: none; }
  .brand-mark { width: 28px; height: 28px; }
  .toolbar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; padding: 7px; }
  .toolbar > * { min-width: 0; }
  .select-field { width: 100%; }
  .select-field select { flex: 1; }
  .panel-left {
    left: 12px;
    top: auto;
    bottom: 64px;
    max-height: calc(100vh - 230px);
    padding: 8px;
    overflow: auto;
  }
  .mobile-joystick {
    position: absolute;
    z-index: 9;
    left: 18px;
    bottom: 164px;
    display: grid;
    width: 112px;
    height: 112px;
    place-items: center;
    touch-action: none;
    user-select: none;
    transition: opacity 120ms ease;
  }
  body.mobile-controls-expanded .mobile-joystick {
    opacity: 0;
    pointer-events: none;
  }
  .mobile-joystick-ring {
    position: relative;
    width: 104px;
    height: 104px;
    border: 1px solid rgba(238, 244, 248, 0.25);
    border-radius: 50%;
    background: rgba(10, 13, 16, 0.38);
    box-shadow: inset 0 0 28px rgba(0, 0, 0, 0.26);
  }
  .mobile-joystick-ring::before,
  .mobile-joystick-ring::after {
    position: absolute;
    content: "";
    background: rgba(238, 244, 248, 0.14);
  }
  .mobile-joystick-ring::before {
    top: 50%;
    left: 12px;
    right: 12px;
    height: 1px;
  }
  .mobile-joystick-ring::after {
    top: 12px;
    bottom: 12px;
    left: 50%;
    width: 1px;
  }
  .mobile-joystick-ring i {
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 50%;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(61, 214, 198, 0.72);
    border-radius: 50%;
    background: rgba(61, 214, 198, 0.28);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
    transform: translate(-50%, -50%);
  }
  .panel-left.is-collapsed {
    max-height: 86px;
    overflow: hidden;
  }
  .mobile-panel-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 28px;
    padding: 0 4px;
    border: 0;
    background: transparent;
    color: var(--soft);
    font-size: 12px;
    font-weight: 700;
  }
  .mobile-cruise-controls {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 7px;
    margin-top: 6px;
  }
  .mobile-cruise-controls button {
    min-width: 0;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--soft);
    font: inherit;
    font-size: 12px;
    font-weight: 700;
  }
  .mobile-cruise-controls button.active {
    border-color: rgba(61, 214, 198, 0.9);
    background: rgba(61, 214, 198, 0.18);
    color: var(--text);
  }
  .panel-left.is-collapsed > :not(.mobile-panel-toggle):not(.mobile-cruise-controls) { display: none; }
  .panel-right {
    display: none;
  }
  .health-checks-list {
    max-height: 118px;
  }
  .footer { left: 12px; right: 12px; bottom: 12px; }
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .key-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}