fix: use backdrop_path for torrent-modal thumbnail; drop CSS bg fallback (native style)

plugin.js

@@ -399,22 +399,13 @@
             // controller or steal focus once it's already set.
             apply();
             // Native Lampa detail background: blurred fanart behind the page.
-            // Set it in start() (after the activity is live), like Lampa does.
+            // Set it in start() (after the activity is live), exactly like Lampa does.
             try {
                 var dm = resolveMovie((comp.activity && comp.activity.object) || selected);
                 var bg = resolve(dm.img || dm.poster || dm.cover);
                 console.log('[mymovies] bg=', bg);
-                if (bg) {
-                    if (Lampa.Background && Lampa.Background.immediately) Lampa.Background.immediately(bg);
-                    // Fallback: directly set the blurred background element Lampa uses.
-                    var bgel = document.querySelector('.background');
-                    if (bgel) {
-                        bgel.style.backgroundImage = 'url("' + bg + '")';
-                        bgel.style.backgroundSize = 'cover';
-                        bgel.style.backgroundPosition = 'center';
-                        bgel.style.filter = 'blur(15px)';
-                        bgel.style.opacity = '1';
-                    }
+                if (bg && Lampa.Background && Lampa.Background.immediately) {
+                    Lampa.Background.immediately(bg);
                 }
             } catch (e) { console.log('[mymovies] bg err', e); }
             if (!$('.mymovies-detail .full-start-new__buttons .full-start__button.selector').length) {
@@ -511,13 +502,18 @@
         var magnet = m.magnet || ('magnet:?xt=urn:btih:' + (m.hash || ''));
         if (magnet.indexOf('magnet:') !== 0) return;
         var imgUrl = resolve(m.img || m.poster || m.cover);
+        // Lampa's torrent modal sets the thumbnail from `movie.backdrop_path`
+        // (see list$1: element.img = Api.img(params.movie.backdrop_path)).
+        // Api.img() passes a full http(s) URL through unchanged, so we can
+        // point backdrop_path at our horizontal movie.jpg and it will be used.
         var element = {
             MagnetUri: magnet,
             title: m.title,
             poster: imgUrl,
-            img: imgUrl
+            img: imgUrl,
+            backdrop_path: imgUrl
         };
-        var movie = Object.assign({}, m, { img: imgUrl, poster: imgUrl });
+        var movie = Object.assign({}, m, { img: imgUrl, poster: imgUrl, backdrop_path: imgUrl });
         console.log('[mymovies] play img=', imgUrl);
         Lampa.Torrent.start(element, movie);
     }