.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  flex: 1;
  min-height: 0;
}

.analyzer-card h2 {
  margin-top: 0;
}

.app-shell {
  min-height: calc(100vh - 24px);
  display: flex;
  flex-direction: column;
}

.analyzer-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.serial-warning {
  margin: 12px 0;
  padding: 10px 12px;
  border: 1px solid rgba(220, 38, 38, 0.35);
  border-radius: var(--radius-md);
  background: rgba(154, 154, 154, 0.08);
  color: #991b1b;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.diagnostics-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.switch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.device-info {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  padding: 12px;
}

.device-info h3 {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.device-time-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.28);
  border: 1px solid rgba(34, 197, 94, 0.5);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45);
  opacity: 0.5;
}

.device-time-pulse.is-active {
  background: #22c55e;
  border-color: #16a34a;
  opacity: 1;
  animation: time-pulse 0.2s ease-out infinite;
}

@keyframes time-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45);
  }
  70% {
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

.device-info-note {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.device-info-list {
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 12px;
}

.device-info-list dt {
  color: var(--text-soft);
}

.device-info-list dd {
  margin: 0;
  font-weight: 600;
  word-break: break-word;
}

.mini-checklist {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--text-soft);
}

.mini-checklist li {
  margin: 6px 0;
}

.info-tooltip {
  position: relative;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: help;
  color: var(--text-soft);
  background: var(--surface-muted);
}

.info-text {
  position: absolute;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  min-width: 260px;
  max-width: 360px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.35;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease;
  z-index: 2;
}

.info-tooltip:hover .info-text,
.info-tooltip:focus-visible .info-text {
  opacity: 1;
  visibility: visible;
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  color: var(--text);
  font-weight: 600;
}

.switch-label {
  line-height: 1.2;
}

.switch-label-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.switch-control {
  position: relative;
  display: inline-flex;
  width: 44px;
  height: 24px;
}

.switch-control input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-track {
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: rgba(120, 132, 128, 0.35);
  transition: background 220ms ease;
  position: relative;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 220ms ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.switch-control input:checked + .switch-track {
  background: var(--primary);
}

.switch-control input:checked + .switch-track::after {
  transform: translateX(20px);
}

#output {
  margin-top: 12px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px;
  font-family: Consolas, "Courier New", monospace;
  resize: vertical;
  background: var(--surface-muted);
  color: var(--text);
  line-height: 1.45;
  flex: 1;
  min-height: 320px;
}

.autoscroll-row {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-weight: 600;
}

.autoscroll-row input {
  width: 16px;
  height: 16px;
}

.console-brand {
  margin: 8px 0 0;
  text-align: center;
  color: var(--text-soft);
  font-weight: 600;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #output {
    background: rgba(2, 6, 23, 0.82);
    border-color: rgba(148, 163, 184, 0.32);
    color: #e2e8f0;
  }
}

@media (max-width: 980px) {
  .diagnostics-grid {
    grid-template-columns: 1fr;
  }

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

  .info-text {
    left: 0;
    top: calc(100% + 8px);
    transform: none;
    min-width: 220px;
    max-width: min(86vw, 360px);
  }
}