implement reusable MediaSynopsis component

- Create `MediaSynopsis` as a common UI component with support for expandable text, custom styling, and overflow detection.
- Refactor `EpisodeComponents`, `MovieComponents`, and `SeriesScreen` to use the new `MediaSynopsis` component.
- Standardize the synopsis layout across different media detail screens.

app/src/main/java/hu/bbara/purefin/app/content/episode/EpisodeComponents.kt

@@ -33,6 +33,7 @@ import hu.bbara.purefin.common.ui.MediaCastMember
 import hu.bbara.purefin.common.ui.MediaCastRow
 import hu.bbara.purefin.common.ui.MediaGhostIconButton
 import hu.bbara.purefin.common.ui.MediaMetaChip
+import hu.bbara.purefin.common.ui.MediaSynopsis
 import hu.bbara.purefin.common.ui.components.MediaActionButton
 import hu.bbara.purefin.common.ui.components.MediaPlayButton
 import hu.bbara.purefin.common.ui.components.MediaPlaybackSettings
@@ -105,18 +106,8 @@ internal fun EpisodeDetails(
         }
         Spacer(modifier = Modifier.height(24.dp))
 
-        Text(
-            text = "Synopsis",
-            color = scheme.onBackground,
-            fontSize = 18.sp,
-            fontWeight = FontWeight.Bold
-        )
-        Spacer(modifier = Modifier.height(12.dp))
-        Text(
-            text = episode.synopsis,
-            color = scheme.onSurfaceVariant,
-            fontSize = 15.sp,
-            lineHeight = 22.sp
+        MediaSynopsis(
+            synopsis = episode.synopsis
         )
         Spacer(modifier = Modifier.height(24.dp))
 

app/src/main/java/hu/bbara/purefin/app/content/movie/MovieComponents.kt

@@ -33,6 +33,7 @@ import hu.bbara.purefin.common.ui.MediaCastMember
 import hu.bbara.purefin.common.ui.MediaCastRow
 import hu.bbara.purefin.common.ui.MediaGhostIconButton
 import hu.bbara.purefin.common.ui.MediaMetaChip
+import hu.bbara.purefin.common.ui.MediaSynopsis
 import hu.bbara.purefin.common.ui.components.MediaActionButton
 import hu.bbara.purefin.common.ui.components.MediaPlayButton
 import hu.bbara.purefin.common.ui.components.MediaPlaybackSettings
@@ -106,18 +107,8 @@ internal fun MovieDetails(
         }
         Spacer(modifier = Modifier.height(24.dp))
 
-        Text(
-            text = "Synopsis",
-            color = scheme.onBackground,
-            fontSize = 18.sp,
-            fontWeight = FontWeight.Bold
-        )
-        Spacer(modifier = Modifier.height(12.dp))
-        Text(
-            text = movie.synopsis,
-            color = scheme.onSurfaceVariant,
-            fontSize = 15.sp,
-            lineHeight = 22.sp
+        MediaSynopsis(
+            synopsis = movie.synopsis
         )
         Spacer(modifier = Modifier.height(24.dp))
 

app/src/main/java/hu/bbara/purefin/app/content/series/SeriesScreen.kt

@@ -22,6 +22,7 @@ import androidx.compose.ui.unit.sp
 import androidx.hilt.navigation.compose.hiltViewModel
 import hu.bbara.purefin.app.content.ContentMockData
 import hu.bbara.purefin.common.ui.PurefinWaitingScreen
+import hu.bbara.purefin.common.ui.MediaSynopsis
 import hu.bbara.purefin.common.ui.components.MediaHero
 import hu.bbara.purefin.navigation.ItemDto
 
@@ -96,17 +97,12 @@ private fun SeriesScreenInternal(
                 Spacer(modifier = Modifier.height(24.dp))
                 SeriesActionButtons()
                 Spacer(modifier = Modifier.height(24.dp))
-                Text(
-                    text = "Synopsis",
-                    color = scheme.onBackground,
-                    fontSize = 18.sp,
-                    fontWeight = FontWeight.Bold
-                )
-                Spacer(modifier = Modifier.height(8.dp))
-                Text(
-                    text = series.synopsis,
-                    color = textMutedStrong,
-                    fontSize = 13.sp,
+                MediaSynopsis(
+                    synopsis = series.synopsis,
+                    bodyColor = textMutedStrong,
+                    bodyFontSize = 13.sp,
+                    bodyLineHeight = null,
+                    titleSpacing = 8.dp
                 )
                 Spacer(modifier = Modifier.height(28.dp))
                 Text(

app/src/main/java/hu/bbara/purefin/common/ui/MediaSynopsis.kt

@@ -0,0 +1,75 @@
+package hu.bbara.purefin.common.ui
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.semantics.Role
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.TextUnit
+import androidx.compose.ui.unit.TextUnit.Companion.Unspecified
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+@Composable
+fun MediaSynopsis(
+    synopsis: String,
+    modifier: Modifier = Modifier,
+    title: String = "Synopsis",
+    titleColor: Color = MaterialTheme.colorScheme.onBackground,
+    bodyColor: Color = MaterialTheme.colorScheme.onSurfaceVariant,
+    titleFontSize: TextUnit = 18.sp,
+    bodyFontSize: TextUnit = 15.sp,
+    bodyLineHeight: TextUnit? = 22.sp,
+    titleSpacing: Dp = 12.dp,
+    collapsedLines: Int = 3,
+    collapseInitially: Boolean = true
+) {
+    var isExpanded by remember(synopsis) { mutableStateOf(!collapseInitially) }
+    var isOverflowing by remember(synopsis) { mutableStateOf(false) }
+
+    val containerModifier = if (isOverflowing) {
+        modifier.clickable(role = Role.Button) { isExpanded = !isExpanded }
+    } else {
+        modifier
+    }
+
+    Column(modifier = containerModifier) {
+        Text(
+            text = title,
+            color = titleColor,
+            fontSize = titleFontSize,
+            fontWeight = FontWeight.Bold
+        )
+        Spacer(modifier = Modifier.height(titleSpacing))
+        Text(
+            text = synopsis,
+            color = bodyColor,
+            fontSize = bodyFontSize,
+            lineHeight = bodyLineHeight ?: Unspecified,
+            maxLines = if (isExpanded) Int.MAX_VALUE else collapsedLines,
+            overflow = if (isExpanded) TextOverflow.Clip else TextOverflow.Ellipsis,
+            onTextLayout = { result ->
+                val overflowed = if (isExpanded) {
+                    result.lineCount > collapsedLines
+                } else {
+                    result.hasVisualOverflow || result.lineCount > collapsedLines
+                }
+                if (overflowed != isOverflowing) {
+                    isOverflowing = overflowed
+                }
+            }
+        )
+    }
+}