:root {
  --bg: #f2f4f5;
  --surface: #ffffff;
  --text: #172126;
  --muted: #607079;
  --line: #d9e0e3;
  --accent: #175f55;
  --accent-soft: #e4f1ee;
  --danger: #9f2f2f;
  --danger-soft: #f9e8e7;
  --warning: #8a5a13;
  --warning-soft: #fff1d7;
  --shadow: 0 12px 32px rgba(27, 45, 52, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
}

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

button {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
}

button:hover { border-color: var(--accent); }
button:focus-visible, .tab:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
  border-color: var(--accent);
}
button:disabled { cursor: wait; opacity: 0.65; }
button.primary { color: white; background: var(--accent); border-color: var(--accent); }
button.quiet { padding: 0.35rem 0.65rem; color: var(--muted); }

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem max(1.25rem, calc((100vw - 1180px) / 2));
  color: white;
  background: #173c3a;
}

.topbar h1 { margin: 0.2rem 0; font-size: clamp(2rem, 4vw, 3.5rem); }
.topbar p { margin: 0; opacity: 0.8; }
.eyebrow { margin: 0; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.topbar .eyebrow { color: #a8d4cb; }

.connection {
  align-self: flex-start;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  font-size: 0.82rem;
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 1.5rem auto 4rem;
}

.panel {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.context-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) 1.35fr;
  gap: 2rem;
}

.context-panel h2, .section-heading h2 { margin: 0.25rem 0; }
.muted { color: var(--muted); }

.context-grid, .form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

label { display: grid; gap: 0.45rem; font-size: 0.84rem; font-weight: 650; }
label.wide { grid-column: 1 / -1; }
label.checkbox { display: flex; align-items: center; gap: 0.6rem; }

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0.72rem 0.8rem;
  color: var(--text);
  background: white;
}

input:focus, select:focus, textarea:focus {
  outline: 3px solid var(--accent-soft);
  border-color: var(--accent);
}

.tabs { display: flex; gap: 0.5rem; margin: 1.5rem 0; overflow-x: auto; }
.tab.active { color: white; background: var(--accent); border-color: var(--accent); }
.view { display: none; }
.view.active { display: block; }

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.section-heading.compact { margin-bottom: 0.5rem; }
.fleet-subheading { margin-top: 1.5rem; }

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1rem;
}
.dashboard-card {
  grid-column: span 2;
  min-height: 150px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}
.dashboard-card:nth-child(4), .dashboard-card:nth-child(5) { grid-column: span 3; }
.dashboard-card h3 { margin: 0 0 0.8rem; font-size: 1rem; }
.dashboard-list { display: grid; gap: 0.65rem; }
.dashboard-item { display: grid; gap: 0.2rem; padding-top: 0.65rem; border-top: 1px solid var(--line); }
.dashboard-item:first-child { padding-top: 0; border-top: 0; }
.dashboard-item strong { overflow-wrap: anywhere; }
.dashboard-item span, .dashboard-empty { color: var(--muted); font-size: 0.9rem; }

.fleet-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(180px, 0.45fr) auto;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
  padding: 1rem;
  box-shadow: none;
}
.fleet-count { margin: 0 0 0.75rem; white-space: nowrap; }
.inline-state {
  margin-bottom: 1rem;
  padding: 0.8rem 1rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.55);
}
.inline-state[hidden] { display: none; }
.inline-state.error { color: var(--danger); border-color: #e9b7b4; background: var(--danger-soft); }
.inline-state.success { color: var(--accent); border-style: solid; background: var(--accent-soft); }

.fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.vehicle-card {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.vehicle-card h3 { margin: 0; overflow-wrap: anywhere; }
.vehicle-card dl { display: grid; grid-template-columns: 1fr auto; gap: 0.55rem; margin: 1rem 0 0; }
.vehicle-card dt { color: var(--muted); }
.vehicle-card dd { margin: 0; font-weight: 700; }
.vehicle-card button { width: 100%; margin-top: 1rem; }

.vehicle-detail { margin-top: 1rem; scroll-margin-top: 1rem; }
.current-clearance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 12px;
  background: var(--bg);
}
.current-clearance p { margin: 0; }
.current-clearance strong { display: block; margin-top: 0.25rem; }
.vehicle-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0;
}
.vehicle-evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.vehicle-evidence-grid section {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.vehicle-evidence-grid h3 { margin-top: 0; }
.evidence-list { display: grid; gap: 0.65rem; }
.evidence-item { padding-top: 0.65rem; border-top: 1px solid var(--line); }
.evidence-item:first-child { padding-top: 0; border-top: 0; }
.evidence-item p { margin: 0.25rem 0 0; color: var(--muted); }
.evidence-item strong, .evidence-item code { overflow-wrap: anywhere; }
.history-list { display: grid; gap: 0.65rem; }
.history-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
.history-item p { margin: 0; }
.history-item .reason { color: var(--muted); }

.status {
  display: inline-flex;
  margin-top: 0.75rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 750;
}
.status.allowed { color: var(--accent); background: var(--accent-soft); }
.status.blocked, .status.expired { color: var(--danger); background: var(--danger-soft); }
.status.restricted { color: var(--warning); background: var(--warning-soft); }
.status.unknown { color: var(--muted); background: var(--bg); }

.empty-state {
  min-height: 160px;
  place-items: center;
  padding: 2rem;
  border: 1px dashed var(--line);
  border-radius: 16px;
  color: var(--muted);
}

.activity-panel { margin-top: 1.5rem; }
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.workflow-grid h3 { margin: 0; }
.timeline-list { display: grid; gap: 0.75rem; margin-top: 1rem; }
.timeline-item {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) 1.2fr 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}
.timeline-item div { display: grid; gap: 0.25rem; }
.timeline-item span, .timeline-item p { margin: 0; }
pre {
  min-height: 80px;
  margin: 0;
  padding: 1rem;
  overflow: auto;
  border-radius: 10px;
  color: #dce9e6;
  background: #172624;
  white-space: pre-wrap;
}

@media (max-width: 760px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-card, .dashboard-card:nth-child(4), .dashboard-card:nth-child(5) { grid-column: auto; }
  .topbar, .context-panel { grid-template-columns: 1fr; }
  .topbar { display: grid; }
  .context-grid, .form-grid { grid-template-columns: 1fr; }
  .workflow-grid { grid-template-columns: 1fr; }
  .fleet-toolbar, .vehicle-evidence-grid { grid-template-columns: 1fr; }
  .fleet-count { margin: 0; }
  .vehicle-shortcuts button { width: 100%; min-height: 44px; }
  label.wide { grid-column: auto; }
  .history-item { grid-template-columns: 1fr; gap: 0.35rem; }
  .timeline-item { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}