/* Admin-only local ADS-B receiver health, coverage, and history dashboard. */
.receiver-lock { display: grid; max-width: 760px; grid-template-columns: auto minmax(0, 1fr); gap: 18px; align-items: start; }
.receiver-lock h2 { margin: 0 0 7px; font-size: 1.05rem; }
.receiver-lock p { margin: 0 0 14px; color: var(--muted); line-height: 1.5; }
.receiver-dashboard { display: grid; gap: 16px; }
.receiver-toolbar { display: flex; justify-content: space-between; gap: 20px; align-items: flex-end; }
.receiver-toolbar h2 { margin: 2px 0 4px; font-size: 1.25rem; }
.receiver-toolbar p { margin: 0; color: var(--muted); font-size: 0.78rem; }
.receiver-kicker { margin: 0 0 3px !important; color: var(--accent) !important; font-size: 0.68rem !important; font-weight: 850; letter-spacing: 0.06em; text-transform: uppercase; }
.receiver-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 8px; }
.receiver-actions label { color: var(--muted); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; }
.receiver-actions select { min-height: 40px; padding: 0 34px 0 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); color: var(--text); font: inherit; font-size: 0.8rem; }
.receiver-metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.receiver-metric { min-width: 0; padding: 17px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); box-shadow: var(--shadow); }
.receiver-metric span, .receiver-metric strong, .receiver-metric small { display: block; }
.receiver-metric span { color: var(--muted); font-size: 0.68rem; font-weight: 820; letter-spacing: 0.04em; text-transform: uppercase; }
.receiver-metric strong { margin-top: 7px; font-size: clamp(1.15rem, 3vw, 1.75rem); line-height: 1.05; overflow-wrap: anywhere; }
.receiver-metric small { margin-top: 7px; color: var(--muted); font-size: 0.72rem; line-height: 1.4; }
.receiver-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr); gap: 16px; }
.receiver-panel-heading { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 14px; }
.receiver-panel-heading h2 { margin: 0; font-size: 1.05rem; }
.receiver-panel-heading > span { color: var(--muted); font-size: 0.7rem; text-align: right; }
.receiver-chart { min-height: 220px; border: 1px solid var(--line); border-radius: 10px; background: color-mix(in srgb, var(--panel) 82%, var(--accent) 3%); overflow: hidden; }
.receiver-chart svg { display: block; width: 100%; height: 220px; color: var(--accent); }
.receiver-chart-grid { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.receiver-chart-area { fill: color-mix(in srgb, var(--accent) 18%, transparent); }
.receiver-chart-line { fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.receiver-chart-dot { fill: var(--panel); stroke: currentColor; stroke-width: 3; vector-effect: non-scaling-stroke; }
.receiver-chart-empty { display: grid; min-height: 220px; place-items: center; padding: 30px; color: var(--muted); text-align: center; }
.receiver-chart-axis { display: flex; justify-content: space-between; margin-top: 7px; color: var(--muted); font-size: 0.66rem; }
.receiver-breakdown, .receiver-coverage { display: grid; gap: 12px; }
.receiver-bar-row { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.receiver-bar-row strong { font-size: 0.74rem; }
.receiver-bar-track { height: 9px; border-radius: 999px; background: color-mix(in srgb, var(--muted) 18%, transparent); overflow: hidden; }
.receiver-bar-fill { display: block; height: 100%; border-radius: inherit; background: var(--accent); }
.receiver-bar-row span:last-child { min-width: 42px; color: var(--muted); font-size: 0.7rem; text-align: right; }
.receiver-coverage { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.receiver-coverage .receiver-bar-row { grid-template-columns: 28px minmax(0, 1fr) 52px; }
.receiver-detail-list { display: grid; gap: 0; margin: 0; }
.receiver-detail-list div { display: flex; justify-content: space-between; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.receiver-detail-list div:last-child { border-bottom: 0; }
.receiver-detail-list dt { color: var(--muted); font-size: 0.75rem; }
.receiver-detail-list dd { margin: 0; font-size: 0.78rem; font-weight: 780; text-align: right; }
.receiver-errors { padding: 0; overflow: hidden; }
.receiver-errors summary { display: flex; justify-content: space-between; gap: 12px; padding: 17px 18px; cursor: pointer; font-size: 0.9rem; font-weight: 820; }
.receiver-errors summary span { color: var(--muted); font-size: 0.7rem; }
.receiver-errors[open] summary { border-bottom: 1px solid var(--line); }
.receiver-errors > p, .receiver-errors #receiver-error-list > p { margin: 0; padding: 16px 18px; color: var(--muted); font-size: 0.76rem; }
.receiver-error-item { display: grid; grid-template-columns: minmax(130px, auto) minmax(0, 1fr) auto; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 0.74rem; }
.receiver-error-item:last-child { border-bottom: 0; }
.receiver-error-item strong { color: var(--text); }

@media (max-width: 900px) {
  .receiver-metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .receiver-layout { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .receiver-lock { grid-template-columns: 1fr; }
  .receiver-toolbar { align-items: stretch; flex-direction: column; }
  .receiver-actions { display: grid; grid-template-columns: 1fr 1fr; justify-content: stretch; }
  .receiver-actions label { grid-column: 1 / -1; }
  .receiver-actions select { grid-column: 1 / -1; width: 100%; }
  .receiver-actions .button { width: 100%; }
  .receiver-metric-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .receiver-metric { padding: 14px; }
  .receiver-coverage { grid-template-columns: 1fr; }
  .receiver-error-item { grid-template-columns: 1fr; gap: 4px; }
}