/* Aesthetic direction — "Obsidian Cockpit": night, precise, vehicular.
 * Tesla in-car browser, landscape ~1254×784, touch-first.
 * - Type: Space Grotesk 500/700 (OFL, same as iOS DesignKit numerals).
 * - Color: OLED blue-black canvas, Deep Blue accent #3D6CFF, phosphor live/danger.
 *   Glow reserved for live, charging, armed. Hairlines 10–14% white.
 * - Density: instrument-cluster tight. Radius: 12px tiles, 20px hero, pill chrome.
 * - Signature: plan-view Model 3 with ranging ring, puddle glow, charge-port pulse, sentry sweep.
 * - Motion: 180–320ms --ease; prefers-reduced-motion kills loops.
 */

@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/SpaceGrotesk-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/SpaceGrotesk-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --canvas: #05060a;
  --surface: #101218;
  --raised: #181b24;
  --ink: #f4f1ea;
  --muted: rgba(244, 241, 234, 0.55);
  --faint: rgba(244, 241, 234, 0.32);
  --hair: rgba(255, 255, 255, 0.1);
  --hair-strong: rgba(255, 255, 255, 0.16);
  --accent: #3d6cff;
  --accent-dim: color-mix(in srgb, var(--accent) 18%, transparent);
  --live: #3dff9a;
  --danger: #ff3b47;
  --paint: #141824;
  --tap: 64px;
  --radius: 12px;
  --radius-lg: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pad: 16px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  user-select: none;
  overflow: hidden;
  color-scheme: dark;
  touch-action: manipulation;
}
body {
  background:
    radial-gradient(1200px 640px at 22% 40%, rgba(61, 108, 255, 0.07), transparent 55%),
    radial-gradient(900px 500px at 88% 80%, rgba(61, 255, 154, 0.03), transparent 50%),
    var(--canvas);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

button, input { font-family: inherit; }
button {
  appearance: none;
  border: 0;
  background: none;
  color: inherit;
  min-height: var(--tap);
  min-width: var(--tap);
  padding: 0 16px;
  border-radius: 14px;
  cursor: pointer;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease), transform 160ms var(--ease), opacity 180ms var(--ease);
}
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
button:active:not(:disabled) { transform: scale(0.97); }
button:disabled { cursor: not-allowed; }

#app {
  height: 100%;
  min-height: 784px;
  min-width: 1100px;
  display: grid;
  grid-template-rows: 64px 1fr 76px;
  padding: max(12px, env(safe-area-inset-top)) 20px max(10px, env(safe-area-inset-bottom));
  gap: 10px;
  overflow: hidden;
}
.stage, .wide { min-height: 0; overflow: auto; }
.nav { position: relative; z-index: 8; }

.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 4px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  letter-spacing: 0.2em;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}
.brand span { color: var(--accent); }
.brand .clock {
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}
.status-cluster {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.pill,
.led {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0 12px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pill.accent { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.led::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}
.led.live { color: var(--live); }
.led.danger { color: var(--danger); }
.session {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  align-items: center;
}
.session .who {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ghost {
  background: var(--surface);
  border: 1px solid var(--hair-strong);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  height: 40px;
  min-height: 40px;
  padding: 0 16px;
}
.ghost.primary {
  background: var(--accent);
  color: #f4f1ea;
  border-color: transparent;
  box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 35%, transparent);
}

.stage {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 14px;
  min-height: 0;
}
.hero {
  background:
    radial-gradient(80% 70% at 50% 42%, rgba(61, 108, 255, 0.08), transparent 62%),
    var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.hero canvas {
  flex: 1;
  width: 100%;
  height: 100%;
}
.hero-meta {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
}
.hero-meta .name {
  letter-spacing: 0.22em;
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 700;
}
.hero-meta .model {
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
}
.hero-meta .place {
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 6px;
}
.hero-arm {
  position: absolute;
  right: 16px;
  bottom: 16px;
  z-index: 2;
  letter-spacing: 0.22em;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: color-mix(in srgb, var(--canvas) 55%, transparent);
}
.hero-arm.ok { color: var(--live); border-color: color-mix(in srgb, var(--live) 35%, transparent); }
.hero-arm.bad { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }

.panel {
  position: relative;
  display: grid;
  min-height: 0;
}
.banner {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, var(--canvas));
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}
.banner.fail {
  background: color-mix(in srgb, var(--danger) 16%, var(--canvas));
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
  color: var(--danger);
}
.banner[hidden] { display: none; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 1fr 1fr auto;
  gap: 10px;
  min-height: 0;
}
.tile {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 0;
  transition: border-color 200ms var(--ease), opacity 200ms var(--ease);
}
.tile.span-2 {
  grid-column: span 2;
  justify-content: flex-start;
  gap: 12px;
}
.tile.span-2 .value { margin-top: 4px; }
.tile.pending {
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent);
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.value {
  font-size: 42px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 0.92;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.tile.span-2 .value { font-size: 56px; }
.value .unit {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.sub { color: var(--muted); font-size: 13px; margin-top: 6px; }
.soc {
  position: relative;
  height: 6px;
  margin-top: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: visible;
}
.soc-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 70%, #1a2a6c), var(--accent));
}
.soc-limit {
  position: absolute;
  top: -3px;
  width: 2px;
  height: 12px;
  background: var(--ink);
  border-radius: 1px;
  transform: translateX(-1px);
}

.actions {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  grid-column: 1 / -1;
}
.act {
  background: var(--raised);
  border: 1px solid var(--hair);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 7px;
  min-height: 76px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
}
.act .glyph {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--ink);
}
.act .glyph svg {
  width: 22px;
  height: 22px;
  display: block;
}
.act.on {
  background: color-mix(in srgb, var(--accent) 16%, var(--raised));
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  color: #dce6ff;
  box-shadow: inset 0 0 24px color-mix(in srgb, var(--accent) 12%, transparent);
}
.act.on .glyph { color: var(--accent); }
.act.danger.on {
  background: color-mix(in srgb, var(--danger) 14%, var(--raised));
  border-color: color-mix(in srgb, var(--danger) 48%, transparent);
  color: #ffd4d7;
  box-shadow: inset 0 0 24px color-mix(in srgb, var(--danger) 12%, transparent);
}
.act.danger.on .glyph { color: var(--danger); }
.act.pending { opacity: 0.7; }
.act:disabled { opacity: 0.5; }

.nav {
  display: flex;
  gap: 6px;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 22px;
  padding: 6px;
}
.nav button {
  flex: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
}
.nav button svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}
.nav button[aria-current="page"] {
  background: var(--raised);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--hair-strong);
}
.nav button[aria-current="page"] svg {
  opacity: 1;
  color: var(--accent);
}

.wide {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 14px;
  min-height: 0;
  align-items: stretch;
}
.dial-wrap {
  background:
    radial-gradient(60% 60% at 50% 48%, rgba(61, 108, 255, 0.1), transparent 70%),
    var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  position: relative;
  min-height: 0;
}
.dial-wrap svg { display: block; }
.dial-label {
  position: absolute;
  text-align: center;
}
.dial-label .k {
  letter-spacing: 0.22em;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
}
.dial-label .n {
  font-size: 72px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin: 4px 0;
}
.temps {
  display: flex;
  justify-content: space-between;
  width: min(280px, 72%);
  position: absolute;
  bottom: 22px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.temps b {
  color: var(--ink);
  font-size: 22px;
  display: block;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}

.stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  height: 100%;
}
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  flex: 0 0 auto;
}
.row .act { min-height: 88px; height: auto; }
.stack > .tile { flex: 1; }
.slider-block {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  padding: 16px 18px 10px;
}
.slider-block input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 44px;
  background: transparent;
  margin: 4px 0 0;
}
.slider-block input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent) var(--fill, 60%), rgba(255, 255, 255, 0.1) var(--fill, 60%));
}
.slider-block input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  margin-top: -10px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}
.note {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.02em;
  line-height: 1.45;
  padding: 0 4px;
  margin-top: auto;
}

.tpms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}
.tpms div {
  background: var(--raised);
  border: 1px solid var(--hair);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-variant-numeric: tabular-nums;
}
.tpms span {
  color: var(--muted);
  letter-spacing: 0.14em;
  font-size: 11px;
  text-transform: uppercase;
}
.tpms b { font-size: 22px; letter-spacing: -0.03em; }

.cells {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  margin-top: 14px;
}
.cells i {
  display: block;
  height: 18px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
}
.cells i.on {
  background: var(--accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 40%, transparent);
}
.cells i.warn { background: var(--danger); }

@media (hover: hover) {
  .act:hover:not(:disabled),
  .ghost:hover,
  .nav button:hover { filter: brightness(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  button:active:not(:disabled) { transform: none; }
}

@media (max-width: 1099px) {
  #app { min-width: 0; min-height: 0; grid-template-rows: 56px 1fr 68px; }
  .stage, .wide { grid-template-columns: 1fr; }
  .tile.span-2 .value { font-size: 44px; }
}