:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --line: #dce4ec;
  --ink: #18212f;
  --muted: #667085;
  --accent: #047857;
  --accent-ink: #ffffff;
  --warn: #b45309;
  --danger: #b42318;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif; color: var(--ink); background: var(--bg); }
button, input, select, textarea { font: inherit; }
button { border: 0; background: var(--accent); color: var(--accent-ink); border-radius: 6px; padding: 10px 14px; font-weight: 750; cursor: pointer; }
button.ghost { background: #e9eef5; color: var(--ink); }
button.small-button { min-height: 34px; padding: 7px 10px; font-size: 12px; white-space: nowrap; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 10px 11px; background: #fff; color: var(--ink); }
label { display: grid; gap: 5px; color: var(--muted); font-size: 13px; font-weight: 700; }
input[type="checkbox"] { width: auto; }
code { overflow-wrap: anywhere; }

.hidden { display: none !important; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-panel { width: min(420px, 100%); display: grid; gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 24px; box-shadow: 0 18px 45px rgba(16, 24, 40, 0.08); }
.login-panel h1, .topbar h1 { margin: 0; letter-spacing: 0; }
.eyebrow { margin: 0 0 4px; color: var(--accent); font-size: 12px; font-weight: 850; text-transform: uppercase; }
.error { min-height: 20px; color: var(--danger); font-weight: 700; }

.app { min-height: 100vh; padding: 18px; display: grid; gap: 14px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; }
.topbar-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.settings-panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metrics article { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
.metrics span { display: block; font-size: 26px; font-weight: 850; }
.metrics small { color: var(--muted); font-weight: 700; }

.workspace { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 14px; min-height: calc(100vh - 178px); }
.sidebar, .main-panel { display: grid; gap: 12px; align-content: start; }
.panel, .vehicle-card, .detail-card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
.compact-form { display: grid; gap: 9px; }
.compact-form h2, .detail-card h2, .detail-card h3 { margin: 0; }
.vehicle-list { display: grid; gap: 10px; max-height: calc(100vh - 350px); overflow: auto; }
.vehicle-card { text-align: left; color: var(--ink); background: var(--panel); }
.vehicle-card.active { outline: 2px solid var(--accent); }
.vehicle-title { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-weight: 850; }
.pill { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 8px; border-radius: 999px; background: #eef7f2; color: #075e45; font-size: 12px; font-weight: 800; }
.warn-pill { background: #fff4e5; color: var(--warn); }
.muted { color: var(--muted); }
.token { color: var(--warn); font-size: 12px; word-break: break-all; }
.map { min-height: 420px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.detail-card { display: grid; gap: 10px; }
.identity-card { align-content: start; }
.identity-row { display: grid; grid-template-columns: 92px minmax(0, 1fr) auto; align-items: center; gap: 8px; }
.identity-row span { color: var(--muted); font-size: 13px; font-weight: 800; }
.identity-row code, .secret-box code { display: block; border: 1px solid var(--line); border-radius: 6px; background: #f7fafc; padding: 8px 9px; font-size: 12px; }
.secret-box { display: grid; grid-template-columns: 130px minmax(0, 1fr) auto; align-items: center; gap: 8px; border: 1px solid #badbcc; background: #f0fdf4; border-radius: 8px; padding: 10px; }
.secret-box strong { color: #075e45; font-size: 13px; }
.notice { margin: 0; color: var(--accent); font-size: 13px; font-weight: 800; }
.error-text { color: var(--danger) !important; }
.wide { grid-column: span 3; }
.records { display: grid; gap: 8px; max-height: 260px; overflow: auto; }
.record { border-top: 1px solid var(--line); padding-top: 8px; font-size: 13px; }
.action-record { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.check-row { display: flex; align-items: center; gap: 8px; min-height: 32px; color: var(--ink); }

@media (max-width: 980px) {
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .settings-panel { grid-template-columns: 1fr; }
  .workspace { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .wide { grid-column: auto; }
  .identity-row, .secret-box { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .app { padding: 10px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .metrics { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}