body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f2f2f2;
  color: #333;
}

header {
  background-color: #444;
  color: #fff;
  padding: 1rem 2rem;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

h1 {
  margin: 0;
  font-size: 2rem;
}

main {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
  background-color: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  border-radius: 8px;
}

.section {
  margin-bottom: 3rem;
}

/* --- Tabla con scroll horizontal --- */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;

}

table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.75rem;
  white-space: nowrap;
  text-align: left;
  border-bottom: 1px solid #ccc;
}

th {
  background-color: #e0e0e0;
  color: #222;
}

tr:nth-child(even) {
  background-color: #f7f7f7;
}

tr:hover {
  background-color: #eaeaea;
}

/* Título de sección */
.table-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #555;
  text-align: center;
}

/* Gráfica */
.grafica-container {
  width: 100%;
  height: 600px;
}

canvas {
  max-width: 100%;
  height: 100%;
}

/* Media queries */
@media (max-width: 768px) {
  .grafica-container {
    height: 500px;
  }
}

@media (max-width: 480px) {
  .grafica-container {
    height: 400px;
  }
}

@media (orientation: landscape) and (max-height: 500px) {
  .grafica-container {
    height: 300px;
  }
}