:root {
  /* Colores */
  --color-primary: #007ACC;
  --color-primary-dark: #0062a3;
  --color-secondary: #6c757d;
  --color-danger: #dc3545;
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-light: #f8f9fa;
  --color-dark: #343a40;
  --color-text: #212529;
  --color-text-light: #6c757d;
  
  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Bordes */
  --border-radius: 8px;
  --border-color: #dee2e6;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Transiciones */
  --transition: all 0.2s ease-in-out;
}

/* Estilos base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: #f5f5f5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Contenedor principal */
#container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background-color: white;
  min-height: 100vh;
  box-shadow: var(--shadow);
}

/* Encabezado */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

h1 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin: 0;
}

h2 {
  font-size: 1.25rem;
  margin: var(--spacing-lg) 0 var(--spacing-md);
  color: var(--color-dark);
}

/* Botón de instalar */
.install-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.install-button:hover {
  background-color: var(--color-primary-dark);
}

.install-button svg {
  width: 20px;
  height: 20px;
}

/* Formulario */
.formulario-container {
  margin-bottom: var(--spacing-lg);
}

.funcionario {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.funcionario:hover {
  box-shadow: var(--shadow-sm);
}

.funcionario label {
  flex: 1;
  font-weight: 500;
  color: var(--color-text);
}

.funcionario select {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.9rem;
  background-color: white;
  cursor: pointer;
  transition: var(--transition);
}

.funcionario select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

/* Selectores de estado */
.estado-formando {
  border-color: var(--color-success) !important;
  background-color: rgba(40, 167, 69, 0.1) !important;
}

.estado-falta {
  border-color: var(--color-danger) !important;
  background-color: rgba(220, 53, 69, 0.1) !important;
}

.motivo-select {
  min-width: 180px;
}

/* Grupo de botones */
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

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

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: white;
}

.btn-danger {
  background-color: var(--color-danger);
  color: white;
}

.btn-whatsapp {
  background-color: #25D366;
  color: white;
}

.btn-whatsapp:hover {
  background-color: #128C7E;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

.btn-icon {
  font-size: 1rem;
}

/* Contenedor de resultado */
.resultado-container {
  margin-top: var(--spacing-lg);
}

#resultado {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  resize: vertical;
  min-height: 200px;
}

#resultado:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

/* Estilos para el contenedor de motivo "Otro" */
.motivo-otro-container {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  width: 100%;
}

.motivo-otro-input {
  flex: 1;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.9rem;
  transition: var(--transition);
}

.motivo-otro-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

.btn-guardar-motivo {
  background-color: var(--color-success);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 0 var(--spacing-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
}

.btn-guardar-motivo:hover {
  background-color: #218838;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

/* Loader */
#loader {
  text-align: center;
  padding: var(--spacing-lg);
  font-size: 1.1rem;
  color: var(--color-primary);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Notificaciones */
.notificacion {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--color-success);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: transform 0.3s ease-in-out;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.notificacion.mostrar {
  transform: translateX(-50%) translateY(0);
}

.notificacion.error {
  background-color: var(--color-danger);
}

/* Pie de página */
footer {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* Estilos responsivos */
@media (max-width: 768px) {
  #container {
    padding: var(--spacing-md);
  }
  
  header {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .funcionario {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .funcionario select {
    width: 100%;
  }
  
  .button-group {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Estilos para impresión */
@media print {
  .button-group, .install-button, footer {
    display: none !important;
  }
  
  #resultado {
    border: none;
    padding: 0;
    min-height: auto;
  }
}