.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

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

.btn-success { background: var(--color-success); color: white; }
.btn-success:hover { filter: brightness(1.1); }

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

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-danger { background: var(--color-danger); color: white; }
.btn-danger:hover { filter: brightness(1.1); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
form.button_to { display: inline; margin: 0; }
.btn-icon { padding: 6px; width: 32px; height: 32px; justify-content: center; }
.btn-sm.btn-icon { width: 28px; height: 28px; padding: 0; font-size: 14px; line-height: 1; }

/* Icon-only actions in table rows */
.table-row-actions { display: inline-flex; align-items: center; gap: 2px; }