Keep a full-screen dialog's subtitle on a phone

The bar names the dialog there, so only the headline hides; the subtitle
used to disappear with it, and a subtitle without a title never showed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V9NnLxnPp8vaaurb3Z1MFy

resources/views/components/modal.blade.php

@@ -78,18 +78,19 @@
         @endif
 
         <div @class(['min-h-0 flex-1', 'max-sm:overflow-y-auto max-sm:px-6 max-sm:pb-6' => $fullscreen])>
-            @if (filled($title) || $icon)
-                <div @class(['mb-4', 'max-sm:hidden' => $fullscreen && ! $icon, 'text-center' => $icon])>
+            @if (filled($title) || filled($subtitle) || $icon)
+                {{-- A full-screen dialog's bar names it on a phone, so only the subtitle stays there. --}}
+                <div @class(['mb-4', 'max-sm:hidden' => $fullscreen && ! $icon && blank($subtitle), 'text-center' => $icon])>
                     @if ($icon)
                         <x-livewire-material::icon :name="$icon" class="mx-auto mb-4 size-6 text-secondary" />
                     @endif
 
                     @if (filled($title))
-                        <h2 id="{{ $id }}-title" class="type-headline-sm">{{ $title }}</h2>
+                        <h2 id="{{ $id }}-title" @class(['type-headline-sm', 'max-sm:hidden' => $fullscreen && ! $icon])>{{ $title }}</h2>
                     @endif
 
                     @if (filled($subtitle))
-                        <p class="mt-4 type-body-md text-on-surface-variant">{{ $subtitle }}</p>
+                        <p @class(['type-body-md text-on-surface-variant', 'mt-4' => filled($title) || $icon, 'max-sm:mt-0' => $fullscreen && ! $icon])>{{ $subtitle }}</p>
                     @endif
 
                     @if ($separator)