:root {
  --naranjo: #E07B21;
  --naranjo-oscuro: #B85F14;
  --gris: #5A5A5A;
  --gris-claro: #F2F2F0;
  --gris-borde: #DADAD5;
  --blanco: #FFFFFF;
  --texto: #2E2E2E;
}

* { box-sizing: border-box; }

body {
  font-family: Cambria, Georgia, serif;
  background: var(--gris-claro);
  color: var(--texto);
  margin: 0;
}

header.topbar {
  background: var(--blanco);
  border-bottom: 4px solid var(--naranjo);
  padding: 18px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header.topbar h1 {
  color: var(--naranjo-oscuro);
  font-size: 22px;
  margin: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px;
}

.filtros {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
  background: var(--blanco);
  padding: 16px 20px;
  border-radius: 6px;
  border: 1px solid var(--gris-borde);
}

.filtros select, .filtros label {
  font-family: Cambria, Georgia, serif;
}

.filtros select {
  padding: 8px 12px;
  border: 1px solid var(--gris-borde);
  border-radius: 4px;
  font-size: 15px;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--blanco);
  border-radius: 6px;
  border-top: 4px solid var(--naranjo);
  padding: 18px 20px;
}

.kpi-card .label {
  color: var(--gris);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-card .valor {
  font-size: 28px;
  color: var(--naranjo-oscuro);
  font-weight: bold;
  margin-top: 6px;
}

.graficos {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.graficos .full { grid-column: 1 / -1; }

.chart-card {
  background: var(--blanco);
  border-radius: 6px;
  border: 1px solid var(--gris-borde);
  padding: 20px;
}

.chart-card h3 {
  margin-top: 0;
  color: var(--gris);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--gris-claro);
  padding-bottom: 10px;
}

nav.acciones a {
  color: var(--naranjo-oscuro);
  text-decoration: none;
  font-size: 14px;
  margin-left: 20px;
}

.btn {
  background: var(--naranjo);
  color: var(--blanco);
  border: none;
  padding: 10px 22px;
  border-radius: 4px;
  font-family: Cambria, Georgia, serif;
  font-size: 15px;
  cursor: pointer;
}
.btn:hover { background: var(--naranjo-oscuro); }

.login-box {
  max-width: 360px;
  margin: 120px auto;
  background: var(--blanco);
  padding: 32px;
  border-radius: 8px;
  border-top: 5px solid var(--naranjo);
  text-align: center;
}

.login-box input {
  width: 100%;
  padding: 10px;
  margin: 12px 0;
  border: 1px solid var(--gris-borde);
  border-radius: 4px;
}

.flash { color: #B00020; margin-top: 8px; }

table.tabla-errores {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}
table.tabla-errores th, table.tabla-errores td {
  border: 1px solid var(--gris-borde);
  padding: 8px 12px;
  text-align: left;
  font-size: 14px;
}
table.tabla-errores th { background: var(--gris-claro); }