* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f9fafb;
  color: #2d3748;
  line-height: 1.5;
}
header {
  text-align: center;
  padding: 1.2rem;
  background: #1a365d;
  color: white;
}
header h1 { font-size: 1.6rem; }
.info-actualizacion {
  text-align: center;
  margin: 1rem 0;
  color: #4a5568;
  font-size: 0.95rem;
}
.filtros {
  text-align: center;
  margin: 1rem 0;
}
.filtros button {
  margin: 0 0.4rem;
  padding: 8px 14px;
  border: none;
  border-radius: 6px;
  background: #e2e8f0;
  color: #2d3748;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.filtros button:hover {
  background: #cbd5e0;
}
.filtros button.activo {
  background: #2c5282;
  color: white;
}

table {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  border-collapse: collapse;
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
th, td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}
th {
  background: #2c5282;
  color: white;
  font-weight: 600;
}
tr:last-child td { border-bottom: none; }
tr:hover { background: #f8fafc; }

.positivo { color: #2f855a; font-weight: 600; }
.negativo { color: #e53e3e; font-weight: 600; }

footer {
  text-align: center;
  padding: 1.2rem 1rem 0.8rem;
  color: #718096;
  font-size: 0.85rem;
  margin-top: 1rem;
}

@media (max-width: 550px) {
  th, td { padding: 11px 10px; font-size: 0.92rem; }
  .filtros button { padding: 7px 12px; font-size: 0.9rem; }
}