/* SUB Control UI – Desktop Layout */

:root {
  color-scheme: dark;
  --bg: #0c1012;
  --rail: #151a1d;
  --panel: #f3f4f1;
  --card: #ffffff;
  --ink: #16191b;
  --muted: #727a7c;
  --line: #dfe2dd;
  --acid: #c9f277;
  --cyan: #72d8e8;
  --amber: #f2c675;
  --red: #f0958b;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  font-family: Inter, "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 300;
}

* { box-sizing: border-box; }
html {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
}
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  font-size: 13px;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
button, select, input { font: inherit; }

/* ── App Shell (Root Desktop Split Grid) ── */
.app-shell {
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  overflow: hidden;
  background: var(--panel);
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05);
}
body.maximized .app-shell {
  border-radius: 0;
}

/* ══════════════════════════════════════════════════════════════════
   SIDEBAR DECK: Connection, 3D Model, Battery, Deck Controls, Status
   ══════════════════════════════════════════════════════════════════ */
.sidebar-deck {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 14px 10px;
  background:
    radial-gradient(ellipse 110% 45% at 50% 28%, rgba(30, 144, 255, 0.12) 0%, rgba(0, 200, 255, 0.04) 45%, transparent 75%),
    linear-gradient(175deg, #1b2328 0%, #12171a 50%, #0c1012 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: #f1f4f2;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ── Connection Controls in Deck ── */
.deck-connection {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.port-row {
  display: flex;
  align-items: center;
  gap: 4px;
}
.port-row select {
  flex: 1;
  min-width: 0;
  height: 28px;
  padding: 0 8px;
  font-size: 10.5px;
  font-weight: 500;
  cursor: pointer;
  background: #20272b;
  color: #f1f4f2;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  outline: none;
  text-overflow: ellipsis;
}
.port-row select option {
  background: #171b19;
  color: #f1f4f2;
}

.button, .icon-button {
  height: 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 12px;
  color: #f1f4f2;
  background: #20272b;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10.5px;
  font-weight: 400;
  transition: transform 0.15s, background 0.15s, border-color 0.15s;
}
.button:hover, .icon-button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.18);
  background: #293237;
}
.icon-button {
  width: 28px;
  padding: 0;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.icon-button svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-button .dots-icon {
  fill: currentColor;
  stroke: none;
}

.connect-button {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 29px;
  padding: 0 14px;
  background: #253036;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: #ffffff;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}
.connect-button:hover {
  background: #313e46;
  border-color: rgba(255, 255, 255, 0.25);
}
.connect-button:active {
  transform: scale(0.97);
}

.connect-button .btn-spinner {
  display: none;
  width: 11px;
  height: 11px;
  border: 2px solid rgba(114, 216, 232, 0.25);
  border-top-color: #72d8e8;
  border-radius: 50%;
  animation: connect-spin 0.65s linear infinite;
  flex-shrink: 0;
}
.connect-button .btn-label {
  display: inline-block;
  white-space: nowrap;
}

@keyframes connect-spin { to { transform: rotate(360deg); } }
@keyframes connect-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(0.98); }
}

body[data-app-state="connecting"] .connect-button,
.connect-button.is-connecting {
  background: rgba(18, 36, 42, 0.95) !important;
  border-color: rgba(114, 216, 232, 0.6) !important;
  color: #72d8e8 !important;
  box-shadow: 0 0 12px rgba(114, 216, 232, 0.25) !important;
  cursor: progress !important;
  pointer-events: auto !important;
  opacity: 1 !important;
}
body[data-app-state="connecting"] .connect-button .btn-spinner,
.connect-button.is-connecting .btn-spinner {
  display: inline-block !important;
}
body[data-app-state="connecting"] .connect-button .btn-label,
.connect-button.is-connecting .btn-label {
  animation: connect-pulse 1.3s ease-in-out infinite;
}

body[data-app-state="connected_disarmed"] .connect-button,
body[data-app-state="armed"] .connect-button,
body[data-app-state="link_degraded"] .connect-button,
.connect-button.is-connected {
  background: rgba(50, 18, 18, 0.85) !important;
  border-color: rgba(255, 107, 107, 0.4) !important;
  color: #ffb4b4 !important;
}
body[data-app-state="connected_disarmed"] .connect-button:hover,
body[data-app-state="armed"] .connect-button:hover,
body[data-app-state="link_degraded"] .connect-button:hover,
.connect-button.is-connected:hover {
  background: rgba(70, 22, 22, 0.95) !important;
  border-color: rgba(255, 107, 107, 0.75) !important;
  color: #ffffff !important;
}

/* ── 3D Model Stage in Deck ── */
.deck-card {
  display: flex;
  flex-direction: column;
}
.sidebar-deck button,
.sidebar-deck select,
.sidebar-deck input,
.sidebar-deck a,
.sidebar-deck canvas {
  -webkit-app-region: no-drag;
}
.telemetry-zone {
  display: flex;
  flex: 1;
  min-height: 0;
  flex-direction: column;
  gap: 10px;
}
.telemetry-zone .model-card { flex: 1; min-height: 0; }
.eyebrow {
  font-size: 8.5px;
  font-weight: 400;
  color: #727c80;
  letter-spacing: 0.03em;
}
.rov-stage {
  position: relative;
  height: min(24vh, 160px);
  min-height: 120px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.rov-stage::before {
  content: "";
  position: absolute;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 180, 255, 0.2) 0%, rgba(0, 120, 220, 0.06) 50%, transparent 75%);
  filter: blur(14px);
  pointer-events: none;
  z-index: 1;
}
.water-ring {
  position: absolute;
  border: 1px solid rgba(0, 200, 255, 0.2);
  border-radius: 50%;
  transform: scaleY(0.55);
}
.water-ring.r1 { width: 140px; height: 140px; }
.water-ring.r2 { width: 95px; height: 95px; border-color: rgba(114, 216, 232, 0.28); }

.rov-stage #model-canvas {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  cursor: grab;
  touch-action: none;
}
.model-status {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 7px;
  background: rgba(18, 24, 27, 0.85);
  border: 1px solid rgba(79, 195, 247, 0.25);
  border-radius: 5px;
  font-size: 8px;
  letter-spacing: 0.04em;
  color: #8edcf8;
  z-index: 5;
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(6px);
  transition: opacity 0.4s ease;
}
.model-status.error {
  border-color: rgba(255, 82, 82, 0.5);
  color: #ff8a80;
  background: rgba(40, 15, 15, 0.9);
}
.model-status.fade-out { opacity: 0; }
.model-tools { display: none !important; }

.vehicle-name {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 2px;
}
.vehicle-name small, .battery-card small {
  font-size: 8px;
  color: #687276;
  font-weight: 400;
}
.vehicle-name strong {
  font-size: 13.5px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.vehicle-name span {
  font-size: 9px;
  color: #727c80;
}

/* ── Battery Card ── */
.battery-card {
  display: grid;
  grid-template-columns: 1fr auto;
  width: 100%;
  padding: 6px 0 8px;
  text-align: left;
  color: inherit;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: transparent;
  cursor: pointer;
}
.battery-card::after { display: none !important; }
.battery-card:hover { transform: none !important; box-shadow: none !important; }
.battery-card > span {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.battery-card strong {
  font-size: 14.5px;
  font-weight: 400;
}
.battery-card i {
  align-self: end;
  color: #859094;
  font-size: 9.5px;
  font-style: normal;
}
.battery-card b {
  grid-column: 1 / -1;
  height: 3px;
  margin-top: 5px;
  background: #31383c;
  border-radius: 999px;
  overflow: hidden;
}
.battery-card em {
  display: block;
  width: 0;
  height: 100%;
  background: var(--acid);
  border-radius: inherit;
  transition: width 0.35s;
}

/* ── Output Limit & Motor Setup ── */
.controls-deck {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 2px 0;
}
.output-limit {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 9px;
  color: #8a9497;
  font-weight: 300;
  width: 100%;
}
.output-limit span {
  display: flex;
  justify-content: space-between;
  white-space: nowrap;
}
.output-limit b {
  font-weight: 500;
  color: #f1f4f2;
}
.range-pill {
  display: grid;
  grid-template-columns: 20px 1fr 20px;
  align-items: center;
  width: 100%;
  height: 22px;
  border-radius: 999px;
  background: #20272b;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.range-pill button {
  width: 20px;
  height: 22px;
  border: 0;
  background: transparent;
  color: #8a9497;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
}
.range-pill button:hover { color: #f1f4f2; }
.range-pill button::after { display: none !important; }
.range-pill input[type="range"] {
  width: 100%;
  height: 4px;
  margin: 0;
  padding: 0;
  border: 0;
  background: #394247;
  border-radius: 999px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}
.range-pill input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #c9f277;
  cursor: pointer;
}

.config-btn {
  width: 100%;
  height: 26px;
  font-size: 10px;
  background: #20272b;
  color: #d1d8d6;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.config-btn:hover {
  background: #2b353b;
  color: #ffffff;
}

/* ── Status Bar in Deck ── */
.deck-status-bar {
  margin-top: auto;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.status-line {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 9px;
  color: #8a9497;
}
.status-line .status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--muted);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
body[data-app-state="disconnected"] .status-line .status-dot,
body[data-app-state="connecting"] .status-line .status-dot {
  background: var(--muted);
}
body[data-app-state="connected_disarmed"] .status-line .status-dot {
  background: var(--cyan);
  box-shadow: 0 0 6px rgba(114, 216, 232, 0.6);
}
body[data-app-state="armed"] .status-line .status-dot {
  background: var(--acid);
  box-shadow: 0 0 6px rgba(201, 242, 119, 0.65);
}
body[data-app-state="link_degraded"] .status-line .status-dot {
  background: var(--red);
  box-shadow: 0 0 6px rgba(240, 149, 139, 0.65);
}
.status-line p {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.logs-link {
  all: unset;
  cursor: pointer;
  color: #9aa29f;
  font-size: 9px;
  letter-spacing: 0.02em;
  margin-left: auto;
}
.logs-link:hover { color: #f1f4f2; }

/* ══════════════════════════════════════════════════════════════════
   PRIMARY CONTROL ZONE (Workspace)
   Engage/Disarm banner directly above Joysticks + Controls Grid
   ══════════════════════════════════════════════════════════════════ */
.controls-workspace {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  padding: 10px 16px 14px;
  background: linear-gradient(155deg, #f7f8f6, #ebefec);
  min-width: 0;
  position: relative;
}
.primary-control-zone {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  flex: 1;
  min-height: 0;
}

/* ── Minimal Window Bar ── */
.workspace-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 24px;
  min-height: 24px;
  margin-bottom: 6px;
  user-select: none;
}
.workspace-drag-area {
  flex: 1;
  height: 100%;
}
.window-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  -webkit-app-region: no-drag;
}
.window-actions button {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 0;
  background: transparent;
  color: #7a8588;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  box-shadow: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}
.window-actions button::after { display: none !important; }
.window-actions button svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.window-actions button:hover {
  background: transparent;
  color: #1a1e1d;
}
.window-actions button:active { opacity: 0.65; }
.window-actions .window-close:hover {
  background: transparent;
  color: #e04438;
}

/* ── Engage / Disarm Slot Above Joysticks ── */
.engage-header-zone {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  margin-bottom: 10px;
}
.zone-label {
  font-size: 9px;
  color: #727a7c;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.engage-button {
  min-width: 140px;
  height: 32px;
  padding: 0 20px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  user-select: none;
}
.subtle { background: #e2e6e1; color: #28302c; border: 1px solid rgba(0, 0, 0, 0.08); }
.subtle:hover { background: #d7dcd5; }

.arm {
  background: #eef3e5;
  color: #24351a;
  border: 1px solid rgba(157, 232, 72, 0.4);
  cursor: pointer;
}
.arm::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0 auto 0 0;
  width: var(--arm-progress, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, #c9f277, #9de848);
  pointer-events: none;
  transition: width 0.04s linear;
}
.arm-copy {
  display: grid;
  place-items: center;
  width: 100%;
  position: relative;
  z-index: 2;
}
.arm-copy > span {
  grid-area: 1 / 1;
  transition: opacity 0.15s, transform 0.15s;
}
.arm-holding-label { opacity: 0; transform: translateY(3px); }
.arm.charging .arm-label { opacity: 0; transform: translateY(-3px); }
.arm.charging .arm-holding-label { opacity: 1; transform: translateY(0); }
.arm.charged {
  background: #c9f277 !important;
  color: #14200d !important;
  transform: scale(1.04);
}
.danger { 
  background: #f8deda; 
  color: #7a2822; 
  border: 1px solid rgba(240, 149, 139, 0.4);
}
.danger:hover {
  background: #f4cac4;
  border-color: rgba(240, 149, 139, 0.7);
}

/* ── Main Controls Grid ── */
.controls-grid {
  --joy-size: min(34vh, 230px);
  --joy-circle-d: calc(var(--joy-size) * 0.90);
  display: grid;
  grid-template-columns: minmax(300px, 1fr) 175px;
  gap: 12px;
  flex: 1;
  min-height: 0;
}

.control-card {
  display: flex;
  flex-direction: column;
  padding: 12px 14px 10px;
  border: 1px solid #e1e4e0;
  border-radius: 18px;
  background: var(--card);
  box-shadow: var(--shadow);
  min-height: 0;
}
.control-card header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.control-card header div {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.control-card small {
  font-size: 8.5px;
  color: #828a88;
  font-weight: 400;
}
.control-card header strong {
  font-size: 13px;
  font-weight: 400;
}
.key-hint {
  padding: 2px 5px;
  border-radius: 5px;
  background: #f0f2ef;
  color: #7e8583;
  font-size: 8px;
  font-weight: 400;
}

.joystick-pad, .heave-pad {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 0;
  padding: 6px;
}

.joystick {
  --size: var(--joy-size);
  position: relative;
  width: var(--size);
  height: var(--size);
  min-width: 165px;
  min-height: 165px;
  margin: auto;
  border: 0;
  background: transparent;
  user-select: none;
  touch-action: none;
}
.joystick:before, .joystick:after { display: none !important; }
.axis, .axis-label, .axis-copy, .stick, .stick-shadow { display: none !important; }

.vertical-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: var(--joy-size);
  gap: 3px;
  font-size: 8.5px;
  font-weight: 400;
  color: #828a87;
}
.heave-track {
  position: relative;
  width: 36px;
  height: var(--joy-circle-d);
  border-radius: 18px;
  background: #eaeee8;
  border: 1px solid #d6dbd4;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
  touch-action: none;
}
.heave-track::before { display: none !important; }
.heave-center {
  position: absolute;
  left: 6px;
  right: 6px;
  top: 50%;
  height: 1px;
  background: #b2b9b4;
}
.heave-fill {
  position: absolute;
  left: 12px;
  right: 12px;
  top: 50%;
  height: 0;
  background: rgba(188, 159, 235, 0.4);
  border-radius: 3px;
}
.heave-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  width: 48px;
  height: 27px;
  border-radius: 14px;
  background: linear-gradient(145deg, #687271, #3c4443);
  border: 1px solid #d7dedc;
  box-shadow: 0 3px 10px rgba(20, 30, 25, 0.18), inset 0 1px rgba(255, 255, 255, 0.55);
  cursor: grab;
  touch-action: none;
  transition: scale 0.12s, filter 0.12s;
  will-change: top;
}
.heave-knob::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 1.5px;
  background: #8e9694;
  border-radius: 1px;
  transform: translate(-50%, -50%);
}
.heave-knob:active, .heave-knob.pressed {
  scale: 0.93;
}

.control-card footer {
  display: flex;
  align-items: center;
  height: 14px;
  margin-top: auto;
  color: #7e8583;
  font-size: 9px;
  font-weight: 300;
  line-height: 1;
}
.control-card footer b { font-weight: 400; color: #28302c; }
.steer-card footer {
  justify-content: space-between;
  width: 100%;
  padding: 0 2px;
}
.steer-readout-left, .steer-readout-right {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* ══════════════════════════════════════════════════════════════════
   MODALS
   ══════════════════════════════════════════════════════════════════ */
.modal {
  width: min(540px, calc(100vw - 40px));
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 24px;
  background: rgba(247, 248, 245, 0.96);
  color: #1a1e1f;
  box-shadow: 
    0 30px 80px -12px rgba(0, 0, 0, 0.42),
    0 0 0 1px rgba(0, 0, 0, 0.06),
    0 10px 24px -6px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
}
.modal::backdrop {
  background: rgba(10, 16, 18, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.modal-close {
  position: absolute;
  right: 14px;
  top: 14px;
  width: 24px;
  height: 24px;
  border: 0;
  background: transparent;
  font-size: 16px;
  cursor: pointer;
}
.form-grid {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}
.form-grid.two { grid-template-columns: 1fr 1fr; }
.form-grid.three { grid-template-columns: 1fr 1fr 1fr; }
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 10px;
}
.number-pill {
  display: grid;
  grid-template-columns: 24px 1fr 24px;
  align-items: center;
  height: 30px;
  border-radius: 999px;
  background: #eaede8;
  overflow: hidden;
}
.number-pill button {
  width: 24px;
  height: 30px;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.number-pill input {
  border: 0;
  text-align: center;
  background: transparent;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}
.note {
  font-size: 9.5px;
  color: #7a8280;
  margin-top: 8px;
}
.motor-modal { width: min(600px, calc(100vw - 40px)); }
.motor-head, .motor-row {
  display: grid;
  grid-template-columns: 70px 1fr 80px 75px;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid #e0e4df;
  font-size: 10.5px;
}
.motor-head {
  font-weight: 500;
  color: #727a7c;
  border-bottom: 1.5px solid #c8cec6;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 16px;
  right: 16px;
  padding: 8px 14px;
  background: #171b19;
  color: #fff;
  border-radius: 8px;
  font-size: 11px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  z-index: 100;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.error {
  background: #7a2822;
}

/* ══════════════════════════════════════════════════════════════════
   APP-STATE CONDITIONAL GATING
   ══════════════════════════════════════════════════════════════════ */
body:not([data-app-state="armed"]) .controls-grid {
  opacity: 0.45;
  pointer-events: none;
  user-select: none;
}

button:disabled {
  opacity: 0.38 !important;
  pointer-events: none !important;
  cursor: not-allowed !important;
}
button:disabled::after { display: none !important; }

body[data-app-state="disconnected"] #engage,
body[data-app-state="connecting"] #engage,
body[data-app-state="link_degraded"] #engage,
body[data-app-state="connecting"] #connect,
body[data-app-state="disconnected"] button[data-open="motors-modal"],
body[data-app-state="connecting"] button[data-open="motors-modal"],
body[data-app-state="link_degraded"] button[data-open="motors-modal"] {
  opacity: 0.38;
  pointer-events: none;
  cursor: not-allowed;
}

@media (max-width: 950px) {
  .app-shell { grid-template-columns: 210px minmax(0, 1fr); }
  .controls-grid { grid-template-columns: minmax(230px, 1fr) 150px; }
  .controls-workspace { padding: 8px 12px; }
}