/* Base button styles */
.btn {
  border-radius: 0;
  font-size: var(--font-sm);
  font-weight: 500;
  min-height: 2.625rem;
  letter-spacing: 0.0175rem;
  line-height: 1.25rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  text-decoration: none;
}

.btn.btn-admin {
  min-height: auto;
}

.btn-icons {
  padding: 0;
  border: 0;
}

/* Button variants */
.btn-primary,
.btn-outline-primary {
  border-color: var(--primary-color);
}

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

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

.btn-moutard {
  background-color: var(--bg-moutard) !important;
  color: var(--white-color) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--hover-primary);
  border-color: var(--hover-primary);
}

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

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

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

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

/* Button with icon */
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-icon .material-icons {
  font-size: var(--font-xl);
}

.back-button {
  font-size: var(--font-xs);
  line-height: 1rem;
  letter-spacing: 0.00813rem;
  font-weight: 400;
}

/* Focus states - Modern approach */
.btn:focus-visible,
.btn-icons:focus-visible {
  outline: var(--outline-focus);
  outline-offset: var(--outline-offset);
  box-shadow: var(--box-shadow-focus);
}

/* Fallback for older browsers */
.btn:focus:not(:focus-visible),
.btn-icons:focus:not(:focus-visible) {
  outline: none;
}

/* Ensure focus remains visible when button state changes */
.btn[aria-expanded="true"]:focus-visible,
.btn[aria-expanded="false"]:focus-visible {
  outline: var(--outline-focus);
  outline-offset: var(--outline-offset);
  box-shadow: var(--box-shadow-focus);
}

button.btn .spinner-border {
  width: 1rem;
  height: 1rem;
  border-width: 0.15rem;
}