/* === REGISTRO.CSS === */

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f5f5f5;
  margin: 0;
  padding: 0;
}

.registro-container {
  max-width: 900px;
  margin: 40px auto;
  background: #fff;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.registro-container h2 {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
  font-size: 24px;
}

/* Mensajes */
.mensaje {
  padding: 12px 20px;
  border-radius: 6px;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 500;
}

.mensaje-exito {
  background-color: #e0ffe0;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.mensaje-error {
  background-color: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
}

.formulario-registro {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 6px;
  color: #444;
  font-size: 14px;
}

.required {
  color: #e53e3e;
  font-weight: bold;
}

.form-group input,
.form-group select {
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
  background-color: #fafafa;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  border-color: #007bff;
  outline: none;
  background-color: #fff;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

.form-group input:invalid {
  border-color: #dc3545;
}

.form-group input:valid {
  border-color: #28a745;
}

.help-text {
  font-size: 12px;
  color: #666;
  margin-top: 4px;
  font-style: italic;
}

.btn-primary {
  grid-column: 1 / -1;
  padding: 12px;
  background-color: #007bff;
  color: white;
  font-size: 16px;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 15px;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #0056b3;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Responsividad */
@media (max-width: 768px) {
  .registro-container {
    margin: 20px;
    padding: 20px;
  }
  
  .formulario-registro {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .registro-container h2 {
    font-size: 20px;
  }
}

/* Estilos para campos específicos */
#rut {
  text-transform: uppercase;
}

#telefono {
  font-family: monospace;
  letter-spacing: 1px;
}

/* Animaciones suaves */
.form-group input,
.form-group select {
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

/* Mejora visual para selects */
.form-group select {
  cursor: pointer;
  background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23999" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  appearance: none;
  padding-right: 35px;
}

/* Estados de validación visual */
.form-group input:not(:placeholder-shown):valid {
  background-color: #f8fff8;
}

.form-group input:not(:placeholder-shown):invalid {
  background-color: #fff8f8;
}