body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #fff;
  color: #111;
}
.header {
  background: #c00;
  color: #fff;
  text-align: center;
  padding: 1rem;
  font-size: 1.5rem;
  font-weight: bold;
}
.container {
  padding: 1rem;
  max-width: 100%;
}
input, textarea, button {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.8rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
}
input, textarea {
  background: #f9f9f9;
  color: #111;
}
textarea {
  height: 120px;
  resize: vertical;
}
button {
  background: #c00;
  color: white;
  font-weight: bold;
}
button:hover {
  background: #a00;
}
#agregar {
  background: #00aaff;
}
#agregar:hover {
  background: #0088cc;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.actions button {
  flex: 1 1 45%;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
}
th, td {
  padding: 0.75rem;
  border: 1px solid #ccc;
  text-align: left;
}
#mensaje {
  margin-top: 0.5rem;
  font-style: italic;
  color: #060;
}