/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Fuente general */
body {
  font-family: 'Segoe UI', sans-serif;
  background: #f4f6f8;
  color: #333;
  padding: 2rem;
}

/* Contenedor principal */
.container {
  max-width: 800px;
  margin: 0 auto;
  background: #ffffff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0,0,0,0.05);
}

/* Títulos */
h1 {
  margin-bottom: 1rem;
  color: #222;
}
h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

/* Enlace volver */
.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: #3498db;
  text-decoration: none;
}
.back-link:hover {
  text-decoration: underline;
}

/* Secciones del formulario */
.form-section {
  margin-bottom: 2rem;
}

/* Grupos de formulario */
.form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
}
.form-group label {
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.form-group input,
.form-group textarea {
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}
.form-group input[type="file"] {
  padding: 0.3rem;
}

/* Fieldsets */
fieldset {
  margin-bottom: 1.5rem;
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 1rem;
}
legend {
  font-weight: bold;
  margin-bottom: 0.5rem;
}

/* Radios */
fieldset label {
  display: block;
  margin: 0.3rem 0;
}

/* Botones */
.form-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}
button {
  padding: 0.6rem 1.2rem;
  border: none;
  background-color: #3498db;
  color: white;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
}
button:hover {
  background-color: #2980b9;
}
button.reset {
  background-color: #e74c3c;
}
button.reset:hover {
  background-color: #c0392b;
}