/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-medium);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  background-color: var(--color-bg-light);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

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

/* Button groups */
.btn-group {
  display: flex;
  gap: 0.5rem;
}

.btn-group-vertical {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .btn-group {
    flex-direction: column;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
  }
}