:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #e1e4e9;
  --text: #1c2230;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --ok: #15803d;
  --ok-bg: #e8f7ee;
  --off: #6b7280;
  --off-bg: #f1f2f4;
  --warn: #b45309;
  --warn-bg: #fef3e0;
  --danger: #dc2626;
  --danger-bg: #fdecec;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.top {
  padding: 20px 28px 18px;
  border-bottom: 3px solid var(--accent);
  background: var(--panel);
}

.top-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  height: 56px;
  width: auto;
  flex-shrink: 0;
}

.top h1 {
  margin: 0 0 4px;
  font-size: 1.7rem;
  letter-spacing: -0.01em;
}

.sub {
  margin: 0;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 16px 28px;
  padding: 20px 22px;
  box-shadow: 0 1px 2px rgba(20, 25, 40, 0.04);
}

.panel h2 {
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
  font-size: 0.95rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

label {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 10px;
}

input[type="password"],
input[type="text"] {
  width: 100%;
  max-width: 420px;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 6px 0 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.checkbox-label input[type="checkbox"] {
  margin: 0;
}

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.filtro-problema {
  flex-wrap: wrap;
}

.inline-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  margin-bottom: 0;
}

.inline-label select,
.inline-label input[type="number"] {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  min-width: 200px;
}

#diasProblemaInput {
  min-width: 90px;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.9rem;
  cursor: pointer;
}

button:hover:not(:disabled) {
  background: var(--accent-dark);
}

button:disabled {
  background: #c7cbd3;
  cursor: not-allowed;
}

button.secundario {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.status {
  color: var(--muted);
  font-size: 0.85rem;
}

.tabla-wrap {
  overflow-x: auto;
}

.empty {
  color: var(--muted);
  padding: 20px 0;
}

table.reporte {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
}

table.reporte th,
table.reporte td {
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  white-space: nowrap;
}

table.reporte th {
  background: #fafbfc;
  color: var(--muted);
  font-weight: 600;
  position: sticky;
  top: 0;
}

.placa {
  font-weight: 600;
}

.direccion {
  max-width: 260px;
  white-space: normal;
  color: var(--muted);
  font-size: 0.82rem;
}

.chip {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.chip.on {
  background: var(--ok-bg);
  color: var(--ok);
}

.chip.off {
  background: var(--off-bg);
  color: var(--off);
}

.chip.warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.fecha {
  color: var(--muted);
  font-size: 0.78rem;
}

.fecha.problema {
  color: var(--warn);
  font-weight: 600;
}

td.celda-problema {
  background: var(--warn-bg);
}

.link-detalle {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 4px 0;
  font-size: 0.85rem;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 25, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 20;
}

.modal-overlay[hidden] {
  display: none;
}

.progress-wrap {
  margin-top: 12px;
}

.progress-bar {
  height: 8px;
  background: #e6e8ec;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.2s ease;
}

.progress-label {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--muted);
}

.log {
  margin-top: 12px;
  background: #0f1219;
  color: #c9d1d9;
  border-radius: 8px;
  padding: 12px 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  line-height: 1.5;
  max-height: 220px;
  overflow-y: auto;
  white-space: pre-wrap;
}

.log[hidden] {
  display: none;
}

.modal {
  background: #fff;
  border-radius: var(--radius);
  width: min(560px, 100%);
  max-height: 85vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header button {
  background: none;
  color: var(--muted);
  padding: 4px 8px;
}

.modal-body {
  padding: 16px 20px;
}

.sensor-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.sensor-row:last-child {
  border-bottom: none;
}

.sensor-nombre {
  font-weight: 500;
}

.sensor-desde {
  color: var(--muted);
  font-size: 0.8rem;
}

/* Panel de salud de sensores */

.salud-resumen {
  display: none;
  align-items: baseline;
  gap: 10px;
  margin: 4px 0 18px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #eef2ff, #f7f8fc);
  border: 1px solid var(--border);
}

.salud-resumen.visible {
  display: flex;
}

.salud-resumen .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
}

.salud-resumen .desc {
  color: var(--muted);
  font-size: 0.88rem;
}

.salud-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.salud-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  text-align: center;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.salud-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(20, 25, 40, 0.08);
}

.salud-card.activa {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}

.donut {
  --pct: 0;
  --color: var(--ok);
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: conic-gradient(var(--color) calc(var(--pct) * 1%), var(--off-bg) 0);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.donut::before {
  content: "";
  position: absolute;
  inset: 15px;
  border-radius: 50%;
  background: #fff;
}

.donut span {
  position: relative;
  z-index: 1;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color);
}

.salud-nombre {
  font-weight: 700;
  font-size: 0.95rem;
}

.salud-detalle {
  color: var(--muted);
  font-size: 0.8rem;
}

.salud-card.sin-datos .donut {
  --color: var(--off);
  --pct: 0;
}

.salud-card.sin-datos .salud-detalle {
  color: var(--off);
}

.foot {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 24px 20px;
}