/* ===== ESTILOS DE BOTONES ===== */

/* Estilo base para botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  gap: 0.5rem;
}

/* Eliminar estilos de foco por defecto */
.btn:focus {
  outline: none;
  box-shadow: none;
}

/* Estilo de foco accesible */
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.3);
}

/* Tamaños de botones */
.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.75rem 2rem;
  font-size: 1.125rem;
  border-radius: var(--radius-md);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Estilos de botones */
.btn-primary {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

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

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

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

.btn-secondary:hover {
  background-color: var(--gray-600);
  border-color: var(--gray-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-outline-primary {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline-primary:hover {
  background-color: var(--primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-outline-secondary {
  background-color: transparent;
  color: var(--secondary);
  border: 1px solid var(--secondary);
}

.btn-outline-secondary:hover {
  background-color: var(--secondary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

/* Botón de enlace */
.btn-link {
  color: var(--primary);
  background-color: transparent;
  text-decoration: underline;
  padding: 0;
  border: none;
}

.btn-link:hover {
  color: var(--primary-hover);
  text-decoration: none;
  background-color: transparent;
  transform: none;
  box-shadow: none;
}

/* Botón con ícono */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-icon i,
.btn-icon svg {
  font-size: 1.25em;
  line-height: 0;
}

/* Efecto de onda al hacer clic */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple:after {
  content: '';
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform 0.5s, opacity 1s;
}

.btn-ripple:active:after {
  transform: scale(0, 0);
  opacity: 0.3;
  transition: 0s;
}

/* Grupo de botones */
.btn-group {
  display: inline-flex;
  vertical-align: middle;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.btn-group .btn {
  margin: 0;
  border-radius: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--radius);
  border-bottom-left-radius: var(--radius);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  border-right: none;
}

/* Botón de carga */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading:after {
  content: '';
  position: absolute;
  width: 1.5rem;
  height: 1.5rem;
  top: 50%;
  left: 50%;
  margin: -0.75rem 0 0 -0.75rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

.btn-outline-primary.btn-loading:after,
.btn-outline-secondary.btn-loading:after,
.btn-link.btn-loading:after {
  border-color: var(--primary);
  border-top-color: transparent;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Botón flotante */
.btn-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  transition: all 0.3s ease;
}

.btn-float:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Estilos para dark theme */
.dark-theme .btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}

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

.dark-theme .btn-outline-secondary {
  color: var(--gray-300);
  border-color: var(--gray-500);
}

.dark-theme .btn-outline-secondary:hover {
  background-color: var(--gray-700);
  color: white;
  border-color: var(--gray-600);
}

/* Estilos para botones deshabilitados */
.btn:disabled,
.btn[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

/* Efecto de elevación al pasar el ratón */
.btn-hover-elevate {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-hover-elevate:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dark-theme .btn-hover-elevate:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Botón con borde sutil */
.btn-subtle {
  background-color: transparent;
  border: 1px solid var(--gray-200);
  color: var(--gray-700);
}

.dark-theme .btn-subtle {
  border-color: var(--gray-700);
  color: var(--gray-300);
}

.btn-subtle:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-300);
  color: var(--gray-900);
}

.dark-theme .btn-subtle:hover {
  background-color: var(--gray-800);
  border-color: var(--gray-600);
  color: white;
}

/* Botón con ícono a la derecha */
.btn-icon-end {
  flex-direction: row-reverse;
}

/* Grupo de botones vertical */
.btn-group-vertical {
  display: inline-flex;
  flex-direction: column;
  vertical-align: middle;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.btn-group-vertical .btn {
  margin: 0;
  border-radius: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-group-vertical .btn:first-child {
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

.btn-group-vertical .btn:last-child {
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  border-bottom: none;
}