:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --accent: #2563eb;
  --border: #e5e7eb;
  --locked-bg: #fef3c7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141a;
    --fg: #f0f0f0;
    --muted: #9aa0aa;
    --accent: #6ea8fe;
    --border: #2a2d36;
    --locked-bg: #3a3420;
  }
}
body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, sans-serif;
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}
h1 { font-size: 1.25rem; margin-bottom: 1rem; }
.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.locked { background: var(--locked-bg); }
label { display: block; font-size: 0.85rem; color: var(--muted); margin: 0.75rem 0 0.25rem; }
input, select {
  width: 100%;
  padding: 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  font-size: 1rem;
  box-sizing: border-box;
}
button {
  width: 100%;
  padding: 0.75rem;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  margin-top: 1rem;
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: default; }
.compact {
  width: auto;
  padding: 0.35rem 0.6rem;
  margin: 0 0 0 0.5rem;
  font-size: 0.85rem;
}
.danger { background: #b91c1c; }
li { margin: 0.45rem 0; }
.hidden { display: none; }
.muted { color: var(--muted); font-size: 0.9rem; }

h2 { font-size: 1.05rem; margin: 0; }
h3 { font-size: 1rem; margin: 0 0 1rem; }
.eyebrow { color: var(--accent); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; margin: 0 0 0.35rem; }
.page-header, .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.page-header { margin-bottom: 1rem; }
.page-header h1 { margin: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.field-wide { grid-column: 1 / -1; }
.field-help { color: var(--muted); font-size: 0.8rem; margin: 0.3rem 0 0; }
.input-with-unit { display: flex; align-items: center; gap: 0.5rem; }
.input-with-unit input { min-width: 0; }
.input-with-unit span { color: var(--muted); font-size: 0.9rem; }
.check-row { display: flex; align-items: flex-start; gap: 0.6rem; margin-top: 1.1rem; }
.check-row input { width: auto; margin-top: 0.2rem; }
.check-row small { display: block; color: var(--muted); margin-top: 0.2rem; }
.status-pill { border: 1px solid var(--accent); color: var(--accent); border-radius: 999px; font-size: 0.75rem; padding: 0.25rem 0.55rem; white-space: nowrap; }
.notice, .feedback { padding: 0.7rem 0.8rem; border-radius: 8px; background: var(--locked-bg); }
.feedback { min-height: 1.2rem; margin-top: 1rem; color: var(--muted); background: transparent; padding-left: 0; }
.feedback.error, .field-error { color: #b91c1c; }
.action-bar { position: sticky; bottom: 0; background: var(--bg); padding-top: 0.5rem; }
.live-status { border: 1px solid #d97706; border-radius: 12px; padding: 1rem; margin-bottom: 1rem; }
.live-status > div:first-child { display: flex; align-items: center; gap: 0.5rem; }
.live-metrics { display: flex; gap: 2rem; margin: 1rem 0; }
.live-metrics b { display: block; font-size: 1.25rem; }
.live-dot { width: 0.6rem; height: 0.6rem; background: #d97706; border-radius: 50%; }
.car-list { display: grid; gap: 0.6rem; margin: 1rem 0; }
.car-item { display: flex; align-items: center; gap: 0.8rem; border-top: 1px solid var(--border); padding: 0.7rem 0; }
.car-item img, .car-placeholder { width: 56px; height: 44px; object-fit: cover; border-radius: 6px; background: var(--border); display: grid; place-items: center; color: var(--muted); font-size: 0.75rem; }
.car-details { flex: 1; min-width: 0; }
.car-details strong, .car-details span { display: block; }
.car-details span { color: var(--muted); font-size: 0.85rem; margin-top: 0.2rem; }
.car-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.2rem; }
.text-button { width: auto; padding: 0.3rem; margin: 0; background: transparent; color: var(--accent); font-size: 0.8rem; }
.danger-text { color: #b91c1c; }
.secondary { background: transparent; color: var(--accent); border: 1px solid var(--border); }
.button-row { display: flex; gap: 0.5rem; }
.button-row button { flex: 1; }
.empty-state { color: var(--muted); border: 1px dashed var(--border); padding: 1rem; text-align: center; }
.car-editor { border-top: 1px solid var(--border); padding-top: 1rem; margin-bottom: 1rem; }
@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .car-item { align-items: flex-start; }
  .car-actions { flex-direction: column; align-items: flex-end; }
  .live-metrics { gap: 1rem; }
}