/* Variables de color */
:root {
  --color1: #201a36;
  --color2: #47a49a;
  --color3: #f08223;
}

/* Fondo degradado */
body {
  background: linear-gradient(to right, var(--color1), var(--color2), var(--color3));
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  font-family: 'Segoe UI', sans-serif;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Contenedor principal */
.container {
  max-width: 800px;
  width: 100%;
  padding: 40px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  text-align: center;
}

/* Estilo para el nombre del autor */
.nombre-autor {
  font-size: 1.2rem;
  font-weight: normal;
  background: linear-gradient(to right, var(--color1), var(--color2), var(--color3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
}

/* Texto principal con degradado */
.titulo-principal {
  font-size: 2.5rem;
  font-weight: bold;
  background: linear-gradient(to right, var(--color1), var(--color2), var(--color3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-transform: uppercase;
  margin-bottom: 30px;
}

/* Estilos para los grupos de formulario */
.form-group {
  width: 100%;
  margin-bottom: 20px;
  padding: 0 15px;
  box-sizing: border-box;
}

/* Inputs redondeados con placeholders */
input {
  border-radius: 50px;
  border: 1px solid #ddd;
  padding: 12px 20px;
  width: 100%;
  margin-bottom: 10px;
  font-size: 16px;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
}

input:focus {
  outline: none;
  border-color: var(--color2);
  box-shadow: 0 0 0 3px rgba(71, 164, 154, 0.2);
}

/* Placeholders personalizados */
input::placeholder {
  color: #666;
  opacity: 0.8;
}

/* Clases de validación */
.borde-valido {
  border-color: #4CAF50 !important;
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2) !important;
}

.borde-invalido {
  border-color: #F44336 !important;
  box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.2) !important;
}

.borde-pendiente {
  border-color: #FFC107 !important;
  box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.2) !important;
}

/* Botón principal */
#crear-encuesta {
  background: white;
  color: var(--color1);
  border: 2px solid var(--color1);
  border-radius: 50px;
  padding: 12px 30px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 10px;
  transition: all 0.3s ease;
}

#crear-encuesta:hover {
  background: linear-gradient(to right, var(--color1), var(--color2), var(--color3));
  color: white;
  border-color: transparent;
}

/* Estilos para la barra de progreso */
#progress-container {
  margin-top: 20px;
  width: 100%;
}

.progress-bar {
  border-radius: 50px;
  height: 10px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  background: linear-gradient(to right, var(--color1), var(--color2), var(--color3));
  height: 100%;
  width: 0;
  border-radius: 50px;
  transition: width 0.5s ease;
}

/* Mensaje de éxito */
#success-message {
  color: #4CAF50;
  font-weight: bold;
  margin-top: 15px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#success-message.visible {
  opacity: 1;
}

/* Estilos para la encuesta generada */
.encuesta {
  background: rgba(255, 255, 255, 0.95);
  padding: 20px;
  border-radius: 15px;
  margin-top: 20px;
  color: #333;
  text-align: center;
}

/* Media queries para responsive design */
@media (max-width: 768px) {
  .container {
    padding: 20px;
  }
  
  .titulo-principal {
    font-size: 2rem;
  }
  
  .form-group {
    padding: 0 10px;
  }
}