Replace native confirm() dialogs with styled confirm modals.

Add shared confirm-dialog component, Alpine ladillConfirm store, and
swap browser confirms for consistent bottom-sheet modals across user,
admin, and hosting flows.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/hosting/panel/settings.blade.php

@@ -80,13 +80,21 @@
                 </form>
 
                 @if ($teamMembership->hasSshAccessKey())
-                    <form method="POST" action="{{ route('hosting.panel.settings.ssh-key.destroy', $account) }}" class="mt-3" onsubmit="return confirm('Remove your SFTP key access for this hosting account?');">
-                        @csrf
-                        @method('DELETE')
-                        <button type="submit" class="inline-flex items-center rounded-lg border border-slate-300 px-5 py-2.5 text-sm font-medium text-slate-700 transition hover:border-slate-400 hover:text-slate-900">
-                            Remove SFTP Key
-                        </button>
-                    </form>
+                    <x-confirm-dialog
+                        name="remove-sftp-key"
+                        title="Remove SFTP key?"
+                        message="Remove your SFTP key access for this hosting account?"
+                        :action="route('hosting.panel.settings.ssh-key.destroy', $account)"
+                        method="DELETE"
+                        confirm-label="Remove key"
+                        class="mt-3"
+                    >
+                        <x-slot:trigger>
+                            <button type="button" class="inline-flex items-center rounded-lg border border-slate-300 px-5 py-2.5 text-sm font-medium text-slate-700 transition hover:border-slate-400 hover:text-slate-900">
+                                Remove SFTP Key
+                            </button>
+                        </x-slot:trigger>
+                    </x-confirm-dialog>
                 @endif
             @else
                 <div class="mt-5 rounded-xl bg-slate-50 px-4 py-4 text-sm text-slate-600">