/* ===================================
   BUTTON GROUP MOLECULE - Molecular Design
   ===================================

   Groups related buttons with consistent spacing and alignment.
   Uses atomic Button component.
*/

/* Base button group styles */
.button-group {
  display: inline-flex;
  align-items: stretch;
}

/* Button group variants */
.button-group-joined .btn {
  border-radius: 0;
  margin: 0;
}

.button-group-joined .btn:first-child,
.button-group-joined .button-group-first {
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
}

.button-group-joined .btn:last-child,
.button-group-joined .button-group-last {
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.button-group-joined .btn:not(:first-child),
.button-group-joined .button-group-middle:not(:first-child) {
  border-left: 0;
  margin-left: 0;
}

.button-group-spaced {
  gap: var(--space-2);
}

.button-group-spaced .btn {
  flex-shrink: 0;
}

/* Button group alignment */
.button-group-start {
  justify-content: flex-start;
}

.button-group-center {
  justify-content: center;
}

.button-group-end {
  justify-content: flex-end;
}

.button-group-stretch {
  width: 100%;
}

.button-group-stretch .btn {
  flex: 1;
}

/* Button group sizes */
.button-group-sm .btn {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  min-height: var(--space-7);
}

.button-group-md .btn {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  min-height: var(--space-9);
}

.button-group-lg .btn {
  font-size: var(--text-base);
  padding: var(--space-2_5) var(--space-4);
  min-height: var(--space-11);
}

/* Full width button groups */
.button-group-full {
  width: 100%;
}

.button-group-full.button-group-stretch .btn {
  flex: 1;
}

/* Button group in forms */
.form-actions .button-group {
  margin-top: var(--space-4);
}

/* Button group in modals */
.modal-footer .button-group {
  flex: 1;
}

.modal-footer .button-group.button-group-end {
  justify-content: flex-end;
}

/* Button group in cards */
.card-actions .button-group {
  margin-top: var(--space-3);
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .button-group-spaced {
    gap: var(--space-1);
  }

  .button-group-joined .btn {
    font-size: var(--text-xs);
  }

  .button-group-sm .btn {
    padding: var(--space-1) var(--space-1_5);
  }

  .button-group-md .btn {
    padding: var(--space-1_5) var(--space-2_5);
  }

  .button-group-lg .btn {
    padding: var(--space-2) var(--space-3);
  }
}

/* Mobile-specific adjustments */
@media (max-width: 480px) {
  .button-group {
    flex-direction: column;
    width: 100%;
  }

  .button-group-spaced {
    flex-direction: column;
    gap: var(--space-2);
  }

  .button-group-joined {
    flex-direction: column;
  }

  .button-group-joined .btn {
    border-radius: var(--border-radius-md);
    margin: var(--space-1) 0;
  }

  .button-group-joined .btn:not(:first-child) {
    border-left: var(--border-width-1) solid var(--border-default);
    border-top: 0;
    margin-top: 0;
  }

  .button-group-joined .button-group-first,
  .button-group-joined .button-group-middle,
  .button-group-joined .button-group-last {
    border-radius: var(--border-radius-md);
  }
}