/* ==========================================================================
   SmartFleets Control — design tokens
   Light + dark themes via prefers-color-scheme and an explicit
   html[data-theme] override set by the theme toggle.
   Spacing follows an 8px scale (4 / 8 / 12 / 16 / 24 / 32).
   ========================================================================== */

:root {
  color-scheme: light;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  /* Surfaces */
  --bg: #f4f7f6;
  --bg-tint: rgba(11, 113, 120, 0.07);
  --bg-translucent: rgba(244, 247, 246, 0.88);
  --surface: #ffffff;
  --surface-2: #eef3f1;
  --surface-3: #e4ecea;
  --line: #d3ddda;
  --line-strong: #b6c5c1;

  /* Ink */
  --ink: #16211f;
  --text-muted: #55655f;

  /* Brand + status */
  --accent: #0b7178;
  --accent-strong: #085b61;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(11, 113, 120, 0.1);
  --accent-ring: rgba(11, 113, 120, 0.32);

  --ok-text: #1d6b32;
  --ok-bg: #e6f4e9;
  --ok-dot: #2f9e44;
  --warn-text: #7c5200;
  --warn-bg: #faf0da;
  --warn-line: rgba(150, 103, 6, 0.45);
  --warn-dot: #c17c00;
  --crit-text: #a03030;
  --crit-bg: #fcebeb;
  --crit-line: rgba(196, 63, 63, 0.45);
  --crit-dot: #d64545;
  --teal-text: #085b61;
  --teal-bg: #e1f2f3;

  /* Map */
  --map-bg: #dbe7e3;
  --map-grid: rgba(255, 255, 255, 0.72);
  --map-line: #aebcba;
  --chip-bg: rgba(255, 255, 255, 0.86);
  --chip-line: rgba(22, 33, 31, 0.18);
  --tile-filter: saturate(0.72) contrast(1.05);
  --tile-opacity: 0.6;

  /* Depth + shape */
  --shadow-1: 0 1px 2px rgba(15, 26, 24, 0.05), 0 4px 14px rgba(15, 26, 24, 0.06);
  --shadow-2: 0 4px 10px rgba(15, 26, 24, 0.09), 0 16px 40px rgba(15, 26, 24, 0.12);
  --r-s: 8px;
  --r-m: 12px;
  --r-l: 16px;

  /* Theme toggle icon visibility */
  --icon-sun: none;
  --icon-moon: block;

  background: var(--bg);
  color: var(--ink);
}

/* Dark tokens — applied by OS preference unless the user forced light… */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0b100f;
    --bg-tint: rgba(76, 196, 203, 0.05);
    --bg-translucent: rgba(11, 16, 15, 0.84);
    --surface: #141c1a;
    --surface-2: #1a2422;
    --surface-3: #212d2a;
    --line: #283431;
    --line-strong: #3a4844;
    --ink: #e7eeec;
    --text-muted: #a0b1ab;
    --accent: #4cc4cb;
    --accent-strong: #7cd6db;
    --accent-contrast: #06282b;
    --accent-soft: rgba(76, 196, 203, 0.12);
    --accent-ring: rgba(76, 196, 203, 0.38);
    --ok-text: #7fd695;
    --ok-bg: rgba(63, 165, 91, 0.16);
    --ok-dot: #52c76b;
    --warn-text: #e8bc66;
    --warn-bg: rgba(206, 148, 34, 0.14);
    --warn-line: rgba(226, 172, 70, 0.4);
    --warn-dot: #dfa53f;
    --crit-text: #f09a9a;
    --crit-bg: rgba(226, 96, 96, 0.15);
    --crit-line: rgba(238, 118, 118, 0.42);
    --crit-dot: #e46a6a;
    --teal-text: #82d7dc;
    --teal-bg: rgba(76, 196, 203, 0.14);
    --map-bg: #121a18;
    --map-grid: rgba(255, 255, 255, 0.05);
    --map-line: #33413d;
    --chip-bg: rgba(18, 26, 24, 0.86);
    --chip-line: rgba(231, 238, 236, 0.2);
    --tile-filter: invert(1) hue-rotate(180deg) brightness(0.85) contrast(0.92) saturate(0.5);
    --tile-opacity: 0.5;
    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.35), 0 4px 14px rgba(0, 0, 0, 0.3);
    --shadow-2: 0 4px 10px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.45);
    --icon-sun: block;
    --icon-moon: none;
  }
}

/* …and by the explicit toggle. Keep in sync with the media block above. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b100f;
  --bg-tint: rgba(76, 196, 203, 0.05);
  --bg-translucent: rgba(11, 16, 15, 0.84);
  --surface: #141c1a;
  --surface-2: #1a2422;
  --surface-3: #212d2a;
  --line: #283431;
  --line-strong: #3a4844;
  --ink: #e7eeec;
  --text-muted: #a0b1ab;
  --accent: #4cc4cb;
  --accent-strong: #7cd6db;
  --accent-contrast: #06282b;
  --accent-soft: rgba(76, 196, 203, 0.12);
  --accent-ring: rgba(76, 196, 203, 0.38);
  --ok-text: #7fd695;
  --ok-bg: rgba(63, 165, 91, 0.16);
  --ok-dot: #52c76b;
  --warn-text: #e8bc66;
  --warn-bg: rgba(206, 148, 34, 0.14);
  --warn-line: rgba(226, 172, 70, 0.4);
  --warn-dot: #dfa53f;
  --crit-text: #f09a9a;
  --crit-bg: rgba(226, 96, 96, 0.15);
  --crit-line: rgba(238, 118, 118, 0.42);
  --crit-dot: #e46a6a;
  --teal-text: #82d7dc;
  --teal-bg: rgba(76, 196, 203, 0.14);
  --map-bg: #121a18;
  --map-grid: rgba(255, 255, 255, 0.05);
  --map-line: #33413d;
  --chip-bg: rgba(18, 26, 24, 0.86);
  --chip-line: rgba(231, 238, 236, 0.2);
  --tile-filter: invert(1) hue-rotate(180deg) brightness(0.85) contrast(0.92) saturate(0.5);
  --tile-opacity: 0.5;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.35), 0 4px 14px rgba(0, 0, 0, 0.3);
  --shadow-2: 0 4px 10px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.45);
  --icon-sun: block;
  --icon-moon: none;
}

/* ==========================================================================
   Base
   ========================================================================== */

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, var(--bg-tint), rgba(0, 0, 0, 0) 320px),
    var(--bg);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

.is-hidden {
  display: none !important;
}

::selection {
  background: var(--accent-soft);
}

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

button,
select {
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--surface);
  color: var(--ink);
}

button {
  min-height: 42px;
  padding: 8px 12px;
  font-weight: 650;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease,
    box-shadow 140ms ease;
}

button:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  border-color: var(--accent);
  outline: 3px solid var(--accent-ring);
  outline-offset: 2px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 2rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.1rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1rem;
  line-height: 1.3;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--r-s);
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
  text-decoration: none;
  transition: top 140ms ease;
}

.skip-link:focus-visible {
  top: 16px;
}

/* Theme toggle */
.theme-toggle {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 50%;
  box-shadow: var(--shadow-1);
  color: var(--text-muted);
}

.theme-toggle:hover {
  color: var(--accent);
}

.theme-toggle .icon-sun {
  display: var(--icon-sun);
}

.theme-toggle .icon-moon {
  display: var(--icon-moon);
}

/* Footer */
.site-footer {
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
}

.noscript-note {
  margin-top: 16px;
  padding: 12px 16px;
  border: 1px solid var(--warn-line);
  border-radius: var(--r-s);
  background: var(--warn-bg);
  color: var(--warn-text);
  font-weight: 650;
}

/* ==========================================================================
   Auth screen
   ========================================================================== */

.auth-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.auth-panel {
  width: min(100%, 480px);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: var(--surface);
  box-shadow: var(--shadow-2);
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.brand-row .eyebrow {
  margin-bottom: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  line-height: 0;
}

.auth-copy {
  margin-top: 8px;
  color: var(--text-muted);
  line-height: 1.55;
}

.login-form {
  display: grid;
  gap: 4px;
  margin-top: 24px;
}

.login-form input {
  min-height: 44px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 8px 12px;
  background: var(--surface);
  color: var(--ink);
  transition: border-color 140ms ease;
}

.login-form input:hover {
  border-color: var(--line-strong);
}

.login-form button {
  margin-top: 12px;
}

#loginButton {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
}

#loginButton:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.auth-error {
  min-height: 22px;
  margin-top: 4px;
  color: var(--crit-text);
  font-weight: 650;
}

.auth-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  margin: 24px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 550;
}

.auth-features li {
  position: relative;
  padding-left: 16px;
}

.auth-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

/* ==========================================================================
   App shell + topbar
   ========================================================================== */

.app-shell {
  width: min(100%, 1540px);
  margin: 0 auto;
  padding: 0 24px 24px;
  overflow-x: clip;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 -24px 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-translucent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title {
  font-size: 1.35rem;
  font-weight: 750;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.eyebrow {
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cloud-status,
.map-mode,
#selectedBadge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--surface);
}

#selectedBadge {
  color: var(--teal-text);
  background: var(--teal-bg);
  border-color: transparent;
  font-weight: 750;
}

.cloud-status small,
.map-mode span {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.cloud-status strong {
  display: block;
  font-size: 0.88rem;
  line-height: 1.2;
}

.status-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--ok-dot);
  box-shadow: 0 0 0 5px var(--ok-bg);
}

.cloud-status[data-state="offline"] .status-dot {
  background: var(--crit-dot);
  box-shadow: 0 0 0 5px var(--crit-bg);
}

.cloud-status[data-state="syncing"] .status-dot {
  background: var(--warn-dot);
  box-shadow: 0 0 0 5px var(--warn-bg);
}

@media (prefers-reduced-motion: no-preference) {
  .cloud-status[data-state="syncing"] .status-dot {
    animation: pulse-dot 1.4s ease-in-out infinite;
  }
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

/* ==========================================================================
   Digital twin stage
   ========================================================================== */

.agv-stage {
  position: relative;
  min-height: 500px;
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: linear-gradient(180deg, #e7f1ef, #d7e5e2 50%, #edf2f1 100%);
  box-shadow: var(--shadow-1);
}

.agv-stage-copy,
.agv-stage-meta {
  position: absolute;
  z-index: 2;
  left: 16px;
  right: 16px;
  display: flex;
  gap: 12px;
  pointer-events: none;
}

.agv-stage-copy {
  top: 16px;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
}

.agv-stage-copy .eyebrow,
.agv-stage-copy h2,
.agv-stage-copy p {
  color: #16211f;
}

.agv-stage-copy .eyebrow {
  color: #48605b;
}

.agv-stage-copy h2 {
  font-size: 1.35rem;
}

.agv-stage-copy p:last-child {
  color: #48605b;
  max-width: 540px;
}

.agv-stage-meta {
  bottom: 16px;
  flex-wrap: wrap;
}

.agv-stage-meta span {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(22, 33, 31, 0.16);
  border-radius: var(--r-s);
  background: rgba(255, 255, 255, 0.85);
  color: #16211f;
  font-size: 0.84rem;
  font-weight: 650;
}

.agv-stage-view {
  position: absolute;
  inset: 0;
}

.agv-stage-view.is-unavailable {
  display: grid;
  place-items: center;
  padding: 24px;
  color: #48605b;
  text-align: center;
  background: linear-gradient(135deg, #e9f2f0 0%, #f7faf9 100%);
  font-weight: 600;
}

.agv-stage-view canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ==========================================================================
   KPI metric strip
   ========================================================================== */

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.metric,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}

.metric {
  min-height: 96px;
  padding: 16px;
}

.metric span,
.readout-grid span {
  display: block;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 2rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1;
}

/* ==========================================================================
   Dashboard grid + panels
   ========================================================================== */

.dashboard-grid {
  display: grid;
  grid-template-columns: 300px minmax(420px, 1fr) 360px;
  grid-auto-rows: minmax(120px, auto);
  gap: 16px;
  align-items: stretch;
}

.panel {
  min-width: 0;
  padding: 16px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.map-panel {
  grid-column: 1 / -1;
  grid-row: auto;
}

.fleet-panel {
  grid-column: 1;
  grid-row: span 3;
}

.command-panel,
.detail-panel,
.sensors-panel,
.telemetry-panel,
.power-panel,
.rpi-panel,
.camera-panel,
.alerts-panel,
.push-log-panel {
  grid-column: 3;
}

/* ==========================================================================
   Map
   ========================================================================== */

.map-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  margin-bottom: 16px;
}

.map-search,
.map-control-row {
  min-width: 0;
}

.map-search-row,
.map-control-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.map-search-row input {
  min-width: 0;
  flex: 1;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 8px 12px;
  background: var(--surface);
  color: var(--ink);
}

.map-search-row button,
.map-control-row button {
  min-height: 42px;
}

.map-control-row button {
  min-width: 42px;
  padding-inline: 12px;
}

#mapZoomLabel {
  min-width: 54px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
}

.map-search-status {
  min-height: 18px;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.map-viewport {
  position: relative;
  min-height: min(78vh, 860px);
  overflow: hidden;
  border: 1px solid var(--map-line);
  border-radius: var(--r-m);
  background:
    linear-gradient(90deg, var(--map-grid) 1px, transparent 1px),
    linear-gradient(var(--map-grid) 1px, transparent 1px),
    var(--map-bg);
  background-size: 42px 42px;
  isolation: isolate;
  touch-action: none;
  cursor: grab;
  user-select: none;
}

.map-viewport::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 18% 24%, var(--accent-soft), transparent 24%),
    radial-gradient(circle at 74% 68%, var(--ok-bg), transparent 26%);
  opacity: 0.7;
  pointer-events: none;
}

.map-viewport.is-panning {
  cursor: grabbing;
}

.map-content {
  position: absolute;
  inset: 0;
  z-index: 1;
  transform-origin: 0 0;
  will-change: transform;
}

.tile-layer {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  opacity: var(--tile-opacity);
  filter: var(--tile-filter);
}

.tile-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tile-layer img.tile-failed {
  opacity: 0;
}

.facility-overlay,
.route-layer,
.map-markers {
  position: absolute;
  inset: 0;
}

.facility-overlay {
  background:
    linear-gradient(90deg, transparent 0 13%, var(--accent-soft) 13% 17%, transparent 17% 36%, var(--warn-bg) 36% 40%, transparent 40% 63%, var(--ok-bg) 63% 67%, transparent 67% 100%),
    linear-gradient(180deg, transparent 0 22%, var(--map-grid) 22% 26%, transparent 26% 62%, var(--map-grid) 62% 66%, transparent 66% 100%);
  z-index: 1;
}

.aisle {
  position: absolute;
  border: 1px dashed var(--chip-line);
  border-radius: 4px;
  background: var(--map-grid);
}

.aisle-a {
  left: 10%;
  top: 10%;
  width: 78%;
  height: 11%;
}

.aisle-b {
  left: 18%;
  top: 45%;
  width: 66%;
  height: 11%;
}

.aisle-c {
  left: 10%;
  top: 78%;
  width: 80%;
  height: 11%;
}

.zone-label {
  position: absolute;
  padding: 4px 8px;
  border: 1px solid var(--chip-line);
  border-radius: 6px;
  background: var(--chip-bg);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
}

.zone-charger {
  left: 5%;
  top: 12%;
}

.zone-pack {
  left: 23%;
  top: 29%;
}

.zone-qa {
  right: 21%;
  top: 26%;
}

.zone-ship {
  right: 7%;
  bottom: 19%;
}

.route-layer {
  z-index: 2;
}

.route-layer polyline {
  fill: none;
  stroke: var(--accent);
  opacity: 0.3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.route-layer .route-line.is-selected {
  opacity: 1;
  stroke-width: 2;
}

.route-layer circle {
  fill: var(--surface);
  stroke: var(--accent);
  stroke-width: 0.9;
  vector-effect: non-scaling-stroke;
}

.route-layer .waypoint-label {
  fill: var(--ink);
  font-size: 2.6px;
  font-weight: 700;
  paint-order: stroke;
  stroke: var(--chip-bg);
  stroke-width: 0.85px;
}

.map-markers {
  z-index: 3;
}

.map-empty-state {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(320px, calc(100% - 32px));
  transform: translate(-50%, -50%);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--surface);
  box-shadow: var(--shadow-2);
  padding: 24px 16px;
  color: var(--ink);
  text-align: center;
}

.map-empty-state strong,
.map-empty-state span {
  display: block;
}

.map-empty-state span {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

/* Robot markers */
.robot-marker {
  position: absolute;
  display: grid;
  place-items: center;
  width: 76px;
  min-height: 64px;
  padding: 0;
  border: 0;
  border-radius: var(--r-s);
  background: transparent;
  color: var(--ink);
  box-shadow: none;
  transform: translate(-50%, -50%);
}

.robot-marker:hover {
  background: transparent;
  border: 0;
}

.agv-car {
  position: absolute;
  left: 14px;
  top: 4px;
  width: 48px;
  height: 38px;
  transform: rotate(var(--heading));
  transform-origin: center;
}

.agv-car::before {
  content: "";
  position: absolute;
  left: 20px;
  top: -9px;
  border-right: 5px solid transparent;
  border-bottom: 10px solid #17201f;
  border-left: 5px solid transparent;
}

.agv-car-cab,
.agv-car-load {
  position: absolute;
  left: 10px;
  width: 28px;
  border: 2px solid #ffffff;
  border-radius: 7px;
  background: #0b7178;
  box-shadow: 0 10px 22px rgba(10, 18, 17, 0.28);
}

.agv-car-cab {
  top: 0;
  height: 17px;
}

.agv-car-load {
  top: 17px;
  height: 21px;
  background: #17201f;
}

.agv-wheel {
  position: absolute;
  width: 9px;
  height: 14px;
  border-radius: 4px;
  background: #17201f;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.38);
}

.agv-wheel-fl,
.agv-wheel-rl {
  left: 2px;
}

.agv-wheel-fr,
.agv-wheel-rr {
  right: 2px;
}

.agv-wheel-fl,
.agv-wheel-fr {
  top: 6px;
}

.agv-wheel-rl,
.agv-wheel-rr {
  bottom: 3px;
}

.agv-marker-label {
  position: absolute;
  top: 46px;
  left: 50%;
  min-width: 40px;
  transform: translateX(-50%);
  border: 1px solid var(--chip-line);
  border-radius: var(--r-s);
  padding: 2px 6px;
  background: var(--chip-bg);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 750;
  text-align: center;
}

.robot-marker[data-state="paused"] .agv-car-cab {
  background: #c17c00;
}

.robot-marker[data-state="charging"] .agv-car-cab {
  background: #2f9e44;
}

.robot-marker[data-state="stopped"] .agv-car-cab,
.robot-marker[data-state="fault"] .agv-car-cab {
  background: #d64545;
}

.robot-marker.is-selected {
  outline: 3px solid var(--accent-ring);
  outline-offset: 2px;
}

.robot-marker.is-highlighted {
  outline: 3px solid var(--warn-dot);
  outline-offset: 4px;
}

.map-attribution {
  position: absolute;
  right: 8px;
  bottom: 8px;
  z-index: 4;
  padding: 4px 8px;
  border-radius: 5px;
  background: var(--chip-bg);
  color: var(--text-muted);
  font-size: 0.74rem;
}

/* ==========================================================================
   Fleet list
   ========================================================================== */

.fleet-list,
.sensor-grid,
.alerts-list,
.push-log-list,
.command-log {
  display: grid;
  gap: 8px;
}

.fleet-list:empty::before {
  content: "No robots synced yet. Fleet cards appear after the first telemetry pull.";
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-s);
  color: var(--text-muted);
  font-size: 0.86rem;
  text-align: center;
}

.fleet-card {
  width: 100%;
  min-height: 104px;
  padding: 12px;
  border-radius: var(--r-m);
  text-align: left;
}

.fleet-card.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}

.fleet-card header,
.fleet-meta,
.sensor-row,
.alert-row,
.battery-readout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.fleet-card strong,
.fleet-card span,
.fleet-card small {
  display: block;
}

.fleet-card small {
  margin-top: 4px;
  color: var(--text-muted);
}

.fleet-meta {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* State pills — tinted badges with AA text */
.state-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--teal-bg);
  color: var(--teal-text);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.state-pill[data-state="paused"] {
  background: var(--warn-bg);
  color: var(--warn-text);
}

.state-pill[data-state="charging"],
.state-pill[data-state="returning"] {
  background: var(--ok-bg);
  color: var(--ok-text);
}

.state-pill[data-state="stopped"],
.state-pill[data-state="fault"] {
  background: var(--crit-bg);
  color: var(--crit-text);
}

/* ==========================================================================
   Command panel
   ========================================================================== */

.field-label {
  display: block;
  margin: 12px 0 6px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 700;
}

select {
  width: 100%;
  min-height: 42px;
  padding: 8px 12px;
}

.speed-control {
  display: grid;
  grid-template-columns: 1fr 76px;
  gap: 8px;
  align-items: center;
}

.speed-control output {
  font-weight: 700;
  text-align: right;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.command-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.command-grid button[data-command="resume"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.command-grid button[data-command="resume"]:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.command-grid button[data-command="stop"] {
  border-color: var(--crit-line);
  color: var(--crit-text);
}

.command-grid button[data-command="stop"]:hover {
  background: var(--crit-bg);
}

.ghost-button {
  border-color: transparent;
  background: transparent;
  color: var(--accent);
  font-weight: 700;
}

.ghost-button:hover {
  border-color: var(--line);
  background: var(--accent-soft);
}

/* Joystick */
.joystick-panel {
  display: grid;
  gap: 12px;
  margin: 16px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--surface-2);
}

.joystick-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.joystick-heading .eyebrow {
  margin-bottom: 4px;
}

#joystickMode {
  min-width: 92px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--surface);
  color: var(--teal-text);
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.joystick-pad {
  position: relative;
  width: min(220px, 100%);
  aspect-ratio: 1;
  margin: 0 auto;
  border: 2px solid var(--line);
  border-radius: var(--r-m);
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), var(--accent-ring) 50%, transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), var(--accent-ring) 50%, transparent calc(50% + 1px)),
    var(--surface);
  touch-action: none;
}

.joystick-ring {
  position: absolute;
  inset: 28%;
  border: 1px dashed var(--accent-ring);
  border-radius: 50%;
}

.joystick-thumb {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 62px;
  height: 62px;
  transform: translate(-50%, -50%);
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, var(--accent-strong), var(--accent) 65%);
  box-shadow: 0 12px 24px rgba(10, 18, 17, 0.24);
}

.joystick-readout {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 8px 12px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 650;
}

.joystick-hint {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.multi-joystick-panel {
  margin: 16px 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.compact-heading {
  margin-bottom: 8px;
}

.multi-joystick-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.multi-joystick-grid:empty::before {
  content: "Per-robot joystick pads appear after the first telemetry sync.";
  grid-column: 1 / -1;
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-s);
  color: var(--text-muted);
  font-size: 0.84rem;
  text-align: center;
}

.multi-joystick-card {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: 8px;
  background: var(--surface);
}

.multi-joystick-card.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.multi-joystick-card header,
.camera-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.multi-joystick-card button {
  min-height: 32px;
  padding: 4px 8px;
  font-size: 0.76rem;
}

.mini-joystick-pad {
  position: relative;
  width: min(116px, 100%);
  aspect-ratio: 1;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), var(--accent-ring) 50%, transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), var(--accent-ring) 50%, transparent calc(50% + 1px)),
    var(--surface-2);
  touch-action: none;
}

.mini-thumb {
  width: 38px;
  height: 38px;
}

.mini-joystick-readout {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
}

.command-log {
  min-height: 92px;
  align-content: start;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.84rem;
}

.command-log:empty::before {
  content: "Commands you send will be logged here.";
}

.command-log p {
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
}

/* ==========================================================================
   Cameras
   ========================================================================== */

.camera-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.camera-card {
  display: grid;
  gap: 8px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: 8px;
  background: var(--surface);
}

.camera-card-heading span {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.camera-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: #101614;
}

.camera-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-card.is-offline .camera-frame::after {
  content: "Stream unavailable";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(16, 22, 20, 0.88);
  color: #e7eeec;
  font-weight: 700;
}

.empty-state {
  grid-column: 1 / -1;
  display: grid;
  gap: 12px;
  justify-items: center;
  padding: 24px 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-m);
  color: var(--text-muted);
  font-weight: 600;
  text-align: center;
}

/* ==========================================================================
   Power / RPi tiles
   ========================================================================== */

.power-summary,
.cell-grid,
.rail-grid,
.rpi-health-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.cell-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.mini-metric,
.error-row,
.service-row {
  display: grid;
  gap: 4px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 8px;
  background: var(--surface-2);
}

.mini-metric span,
.error-row span,
.service-row span {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
}

.mini-metric strong,
.error-row strong,
.service-row strong {
  overflow-wrap: anywhere;
  font-size: 0.9rem;
}

.mini-metric[data-level="warn"],
.error-row[data-level="warn"],
.error-row[data-level="error"],
.service-row[data-level="warn"],
.service-row[data-level="error"] {
  border-color: var(--warn-line);
  background: var(--warn-bg);
}

.mini-metric[data-level="warn"] strong,
.error-row[data-level="warn"] strong,
.error-row[data-level="error"] strong,
.service-row[data-level="warn"] strong,
.service-row[data-level="error"] strong {
  color: var(--warn-text);
}

.mini-metric[data-level="critical"],
.error-row[data-level="critical"],
.service-row[data-level="critical"] {
  border-color: var(--crit-line);
  background: var(--crit-bg);
}

.mini-metric[data-level="critical"] strong,
.error-row[data-level="critical"] strong,
.service-row[data-level="critical"] strong {
  color: var(--crit-text);
}

.error-list {
  display: grid;
  gap: 8px;
}

/* ==========================================================================
   Battery + readouts
   ========================================================================== */

.battery-readout {
  justify-content: flex-start;
  margin-bottom: 16px;
}

.battery-ring {
  display: grid;
  place-items: center;
  width: 86px;
  height: 86px;
  border: 10px solid var(--surface-3);
  border-top-color: var(--accent);
  border-right-color: var(--ok-dot);
  border-radius: 50%;
  background: var(--surface);
  flex: 0 0 auto;
}

.battery-ring span {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

#robotMission {
  margin-top: 4px;
  color: var(--text-muted);
}

.readout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.readout-grid div,
.sensor-row,
.alert-row {
  min-height: 68px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--surface-2);
}

.readout-grid strong {
  display: block;
  margin-top: 6px;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.sensor-row {
  min-height: 58px;
}

.sensor-grid:empty::before {
  content: "Sensor readouts appear once an AGV is selected.";
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-s);
  color: var(--text-muted);
  font-size: 0.84rem;
  text-align: center;
}

.sensor-row span,
.alert-row span {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.sensor-row strong,
.alert-row strong {
  overflow-wrap: anywhere;
}

.sensor-row[data-level="warn"] {
  border-color: var(--warn-line);
  background: var(--warn-bg);
}

.sensor-row[data-level="warn"] strong {
  color: var(--warn-text);
}

.sensor-row[data-level="critical"],
.alert-row[data-level="critical"] {
  border-color: var(--crit-line);
  background: var(--crit-bg);
}

.sensor-row[data-level="critical"] strong,
.alert-row[data-level="critical"] strong {
  color: var(--crit-text);
}

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

/* ==========================================================================
   Alerts + push log
   ========================================================================== */

.alerts-list:empty::before {
  content: "No active alerts — the fleet is running clean.";
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-s);
  color: var(--text-muted);
  font-size: 0.86rem;
  text-align: center;
}

.push-log-list:empty::before {
  content: "No authenticated AGV telemetry pushes yet.";
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-s);
  color: var(--text-muted);
  font-size: 0.86rem;
  text-align: center;
}

.alert-row {
  display: block;
}

.alert-row strong {
  display: block;
  margin-bottom: 4px;
}

.push-log-row {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--surface-2);
  font-size: 0.84rem;
}

.push-log-row header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.push-log-row strong {
  color: var(--ink);
}

.push-log-row small,
.push-log-row span {
  color: var(--text-muted);
}

.push-log-fields {
  color: var(--teal-text);
  font-size: 0.76rem;
  font-weight: 700;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1180px) {
  .dashboard-grid {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .map-panel {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .fleet-panel {
    grid-column: 1;
  }

  .command-panel,
  .detail-panel,
  .sensors-panel,
  .telemetry-panel,
  .power-panel,
  .rpi-panel,
  .camera-panel,
  .alerts-panel,
  .push-log-panel {
    grid-column: span 1;
  }

  .map-viewport {
    min-height: 560px;
  }

  .map-tools {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .app-shell {
    padding: 0 16px 16px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
    margin: 0 -16px 16px;
    padding: 12px 16px;
  }

  .topbar-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .agv-stage {
    min-height: 420px;
  }

  .map-panel,
  .fleet-panel,
  .command-panel,
  .detail-panel,
  .sensors-panel,
  .telemetry-panel,
  .power-panel,
  .rpi-panel,
  .camera-panel,
  .alerts-panel,
  .push-log-panel {
    grid-column: 1;
    grid-row: auto;
  }

  .map-viewport {
    min-height: 56vh;
    height: 560px;
    max-height: 720px;
  }

  .map-control-row {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .auth-panel {
    padding: 24px 16px;
  }

  .metric-strip,
  .readout-grid,
  .command-grid,
  .multi-joystick-grid,
  .camera-grid,
  .power-summary,
  .rail-grid,
  .rpi-health-grid,
  .telemetry-grid {
    grid-template-columns: 1fr;
  }

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

  .auth-features {
    grid-template-columns: 1fr;
  }

  .agv-stage-copy,
  .agv-stage-meta {
    left: 12px;
    right: 12px;
  }

  .map-viewport {
    min-height: 420px;
    height: 62vh;
  }

  .map-tools {
    grid-template-columns: 1fr;
  }

  .map-search-row {
    flex-direction: column;
    align-items: stretch;
  }

  .map-search-row input,
  .map-search-row button,
  .map-control-row button {
    flex: 1 1 120px;
  }

  .panel-heading,
  .fleet-card header,
  .battery-readout {
    align-items: flex-start;
    flex-direction: column;
  }

  .robot-marker {
    width: 50px;
    min-height: 32px;
    padding: 6px;
    font-size: 0.78rem;
  }

  .map-control-row button {
    flex: 1;
  }

  .theme-toggle {
    right: 12px;
    bottom: 12px;
  }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */

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