:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-soft: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --line: rgba(255, 255, 255, 0.08);
  --primary: #038db2;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #22c55e;
  --neutral: #64748b;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(3, 141, 178, 0.18), transparent 35%),
    var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

.app-shell {
  padding: 18px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.topbar h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.4px;
}

.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.last-update {
  color: var(--muted);
  font-size: 13px;
}

.filters {
  display: flex;
  align-items: end;
  gap: 14px;
  flex-wrap: wrap;
  background: rgba(17, 24, 39, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-group label {
  color: var(--muted);
  font-size: 12px;
}

.filter-group select {
  background: #020617;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}

.checkbox-group {
  padding-bottom: 9px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.summary-card {
  background: rgba(17, 24, 39, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.summary-card strong {
  font-size: 26px;
}

.summary-card.usable {
  border-color: rgba(34, 197, 94, 0.35);
}

.summary-card.danger {
  border-color: rgba(239, 68, 68, 0.45);
}

.summary-card.warning {
  border-color: rgba(245, 158, 11, 0.35);
}

.table-card {
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.table-header h2 {
  margin: 0;
  font-size: 16px;
}

.table-header span {
  color: var(--muted);
  font-size: 12px;
}

.table-wrapper {
  overflow: auto;
  max-height: calc(100vh - 290px);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1500px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 12px;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  background: #111827;
  color: var(--muted);
  z-index: 2;
}

tbody tr:hover {
  background: rgba(3, 141, 178, 0.08);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.badge.ok {
  color: #86efac;
  background: rgba(34, 197, 94, 0.13);
}

.badge.danger {
  color: #fecaca;
  background: rgba(239, 68, 68, 0.18);
}

.badge.warning {
  color: #fde68a;
  background: rgba(245, 158, 11, 0.16);
}

.badge.neutral {
  color: #cbd5e1;
  background: rgba(100, 116, 139, 0.18);
}

.badge.info {
  color: #7dd3fc;
  background: rgba(3, 141, 178, 0.16);
}

.person-cell strong {
  display: block;
  margin-bottom: 3px;
}

.person-cell span,
.subtle {
  color: var(--muted);
}

.distance {
  font-weight: 800;
}

.distance.inside {
  color: #fca5a5;
}

.distance.outside {
  color: #86efac;
}

.diagnostic-list {
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  line-height: 1.45;
}

.empty-row {
  text-align: center;
  color: var(--muted);
  padding: 30px;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 9px 12px;
  color: white;
  cursor: pointer;
  font-weight: 700;
  font-size: 12px;
}

.btn-secondary {
  background: var(--panel-soft);
}

@media (max-width: 800px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}