diff --git a/backend/services/discovery.py b/backend/services/discovery.py
index 5ac37c1..40f4a0f 100644
--- a/backend/services/discovery.py
+++ b/backend/services/discovery.py
@@ -106,7 +106,7 @@ def _search_and_store(
     discovered: dict[str, dict] = {}
     for query in queries:
         try:
-            results = ytdlp.search_youtube(query, max_results=20)
+            results = ytdlp.search_youtube(query, max_results=40)
             for video in results:
                 ch = video.get("channel", {})
                 yt_id = ch.get("youtube_channel_id")
@@ -176,7 +176,7 @@ def _search_and_store(
 
     db.commit()
 
-    for channel_id in needs_indexing[:5]:
+    for channel_id in needs_indexing[:10]:
         channel = db.query(Channel).filter_by(id=channel_id).first()
         if channel:
             _fetch_and_index_channel(db, channel)
@@ -251,16 +251,16 @@ def crawl_by_search(db: Session, user_id: int):
     ).mappings().all()
 
     # Build query pool: top tags + random channel names + categories
-    top_tags = [t for t, _ in sorted(tag_counts.items(), key=lambda x: -x[1])[:6]]
+    top_tags = [t for t, _ in sorted(tag_counts.items(), key=lambda x: -x[1])[:12]]
     top_cats = [r["category"] for r in cat_rows]
 
     # Random sample of followed channel names — diversifies discovery each run
     sampled_names: list[str] = []
     if followed_names:
-        sampled_names = random.sample(followed_names, min(8, len(followed_names)))
+        sampled_names = random.sample(followed_names, min(15, len(followed_names)))
 
     # Combine: tags (most signal) + channel names (broad reach) + categories (fallback)
-    queries = list(dict.fromkeys(top_tags + sampled_names + top_cats))[:15]
+    queries = list(dict.fromkeys(top_tags + sampled_names + top_cats))[:25]
     if not queries:
         return
 
@@ -380,7 +380,7 @@ def update_liked_signal(db: Session, user_id: int):
         {"user_id": user_id},
     ).scalars().all())
 
-    top_tags = [t for t, _ in sorted(tag_counts.items(), key=lambda x: -x[1])[:6]]
+    top_tags = [t for t, _ in sorted(tag_counts.items(), key=lambda x: -x[1])[:10]]
     neg_tags = frozenset(
         r["tag"] for r in db.execute(
             text("SELECT tag FROM user_tag_affinity WHERE user_id = :user_id AND score < -2"),
@@ -440,7 +440,7 @@ def update_watch_signal(db: Session, user_id: int):
         {"user_id": user_id},
     ).scalars().all())
 
-    top_tags = [t for t, _ in sorted(qualified.items(), key=lambda x: -x[1])[:6]]
+    top_tags = [t for t, _ in sorted(qualified.items(), key=lambda x: -x[1])[:10]]
     neg_tags = frozenset(
         r["tag"] for r in db.execute(
             text("SELECT tag FROM user_tag_affinity WHERE user_id = :user_id AND score < -2"),
@@ -571,7 +571,7 @@ def update_trending_signal(db: Session, user_id: int, regions: list[str]):
 
     db.commit()
 
-    for channel_id in needs_indexing[:5]:
+    for channel_id in needs_indexing[:10]:
         channel = db.query(Channel).filter_by(id=channel_id).first()
         if channel:
             _fetch_and_index_channel(db, channel)
diff --git a/frontend/src/components/Layout.jsx b/frontend/src/components/Layout.jsx
index 771cc72..97d6ed2 100644
--- a/frontend/src/components/Layout.jsx
+++ b/frontend/src/components/Layout.jsx
@@ -1,4 +1,4 @@
-import { Outlet, NavLink, useNavigate, Link, useLocation } from "react-router-dom";
+import { Outlet, NavLink, Link, useLocation } from "react-router-dom";
 import { useQuery } from "@tanstack/react-query";
 import { useAuth } from "../hooks/useAuth";
 import SearchBar from "./SearchBar";
@@ -203,7 +203,6 @@ function useNewVideosCount() {
 
 export default function Layout() {
   const { user, logout } = useAuth();
-  const navigate = useNavigate();
   const newCount = useNewVideosCount();
 
   return (
@@ -211,14 +210,6 @@ export default function Layout() {
       {/* Header */}
       <header className="shrink-0 z-40 bg-zinc-950/90 backdrop-blur border-b border-zinc-800">
         <div className="max-w-screen-xl mx-auto px-3 h-12 sm:h-14 flex items-center gap-2 sm:gap-4">
-          {/* Logo */}
-          <button
-            onClick={() => navigate("/")}
-            className="font-display font-bold text-base sm:text-lg text-zinc-100 shrink-0 tracking-tight"
-          >
-            YT
-          </button>
-
           {/* Search — min-w-0 prevents it from overflowing on narrow screens */}
           <div className="flex-1 min-w-0">
             <SearchBar />