feat(ui): add shared components (StationCard, TrackListItem, SearchBar, FilterChips, MiniPlayer, EmptyState)

app/src/main/java/com/radiola/ui/components/SearchBar.kt

@@ -0,0 +1,43 @@
+package com.radiola.ui.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import com.composables.icons.lucide.Lucide
+import com.composables.icons.lucide.Search
+
+@Composable
+fun SearchBar(
+    query: String,
+    onQueryChange: (String) -> Unit,
+    placeholder: String = "Поиск станции...",
+    modifier: Modifier = Modifier
+) {
+    TextField(
+        value = query,
+        onValueChange = onQueryChange,
+        modifier = modifier
+            .fillMaxWidth()
+            .background(Color(0xFF2A2A2A), RoundedCornerShape(8.dp)),
+        placeholder = { Text(placeholder, color = Color(0xFF888888)) },
+        leadingIcon = { Icon(Lucide.Search, contentDescription = null, tint = Color(0xFF888888)) },
+        singleLine = true,
+        colors = TextFieldDefaults.colors(
+            focusedContainerColor = Color(0xFF2A2A2A),
+            unfocusedContainerColor = Color(0xFF2A2A2A),
+            focusedIndicatorColor = Color.Transparent,
+            unfocusedIndicatorColor = Color.Transparent,
+            focusedTextColor = Color.White,
+            unfocusedTextColor = Color.White
+        )
+    )
+}