.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  gap: 8px;
}

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

.btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

html[data-theme="light"] .btn-secondary {
  background-color: rgba(0, 0, 0, 0.05);
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

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

.btn-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  color: var(--text-secondary);
  transition: var(--transition);
}

html[data-theme="light"] .btn-icon {
  background: rgba(0, 0, 0, 0.03);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}