added custom template editor, cleaned up UI

- Replace CSS-only customization with full HTML template editing
- Users edit the entire page wrapper with {{content}} placeholder
- Add /style?reset escape hatch to recover from broken templates
- Move nav links to template, remove redundant nav from search page
- Delete remote pages when unsubscribing from an instance

handlers.py

@@ -2,15 +2,15 @@ import json
 from datetime import datetime
 
 from db import get_db, get_setting, set_setting, get_site_name, index_url, clean_url
-from templates import esc, snippet, wrap_page
+from templates import esc, snippet, wrap_page, DEFAULT_TEMPLATE
 from rns_client import fetch_remote_sites
 
 
-def _respond(body_html, status=200):
+def _respond(body_html, status=200, use_default=False):
     return {
         "status": status,
         "content_type": "text/html; charset=utf-8",
-        "body": wrap_page(body_html),
+        "body": wrap_page(body_html, use_default=use_default),
         "headers": {},
     }
 
@@ -186,19 +186,13 @@ def handle_search(query):
     if q and remote_rows:
         sub_count = f" + {len(remote_rows)} from subscriptions"
     return _respond(
-        f'<h1><a href="/">{esc(name)}</a></h1>'
         f'<form method="get" action="/">'
         f'<input name="q" value="{esc(q)}" placeholder="search your index" size="40">'
         f' <button type="submit">search</button>'
         f'</form>'
-        f'<p>{count} page(s) indexed.'
-        f' <a href="/add">+ add url</a>'
-        f' | <a href="/pages">browse</a>'
-        f' | <a href="/tags">tags</a>'
-        f' | <a href="/subscriptions">subscriptions</a>'
-        f' | <a href="/style">customize</a>'
-        f' | <a href="/about">about</a></p>'
-        f'<hr>{result_html}{trusted_html}{remote_html}'
+        f'<p class="meta">{count} pages indexed'
+        f' · <a href="/add">+ add url</a></p>'
+        f'{result_html}{trusted_html}{remote_html}'
     )
 
 
@@ -366,8 +360,11 @@ def handle_import_submit(body):
     return handle_import_form(f"Imported {imported} page(s). {errors} error(s).")
 
 
-def handle_style_form(msg=""):
-    css = get_setting("custom_css")
+def handle_style_form(msg="", query=None):
+    if query and "reset" in query:
+        set_setting("custom_template", "")
+        msg = "Template reset to default."
+    template = get_setting("custom_template") or DEFAULT_TEMPLATE
     name = get_site_name()
     sharing = get_setting("sharing_enabled", "0")
     checked = " checked" if sharing == "1" else ""
@@ -379,35 +376,26 @@ def handle_style_form(msg=""):
         f"<h2>sharing</h2>"
         f'<label><input type="checkbox" name="sharing_enabled" value="1"{checked}>'
         f" share your site list publicly at /api/sites</label><br><br>"
-        f"<h2>custom css</h2>"
-        f"<p>Some classes you can target:</p>"
-        f"<pre>"
-        f"body          - page background, font\n"
-        f"h1            - page titles\n"
-        f"input, button - search bar\n"
-        f"a             - links\n"
-        f".result       - each search result\n"
-        f".note         - your notes on results\n"
-        f".trusted      - trusted sites dropdown\n"
-        f"small         - url text\n"
-        f"ul, li        - browse page list"
-        f"</pre>"
-        f'<textarea name="css" rows="16" cols="60">{esc(css)}</textarea><br><br>'
+        f"<h2>custom html</h2>"
+        f"<p>Edit the full page template. Use <code>{esc('{{content}}')}</code> "
+        f"where page content should appear.</p>"
+        f'<textarea name="template" rows="20" cols="60">{esc(template)}</textarea><br><br>'
         f'<button type="submit">save</button>'
         f"</form>"
         f"<h2>bookmarklet</h2>"
         f"<p>Drag this link to your bookmarks bar. Click it on any page to index it instantly.</p>"
         f'<p><a href="javascript:void(fetch(\'http://localhost:8080/bookmark?url=\'+encodeURIComponent(location.href)).then(r=>r.text()).then(t=>alert(t)).catch(()=>alert(\'tinyweb not running\')))">+ save to {esc(name)}</a></p>'
         f"<p>{msg}</p>"
-        f'<a href="/">back</a>'
+        f'<a href="/">back</a>',
+        use_default=True,
     )
 
 
 def handle_style_submit(body):
-    css = body.get("css", [""])[0]
+    template = body.get("template", [""])[0]
     name = body.get("site_name", ["tinyweb"])[0].strip()
     sharing = "1" if body.get("sharing_enabled") else "0"
-    set_setting("custom_css", css)
+    set_setting("custom_template", template if template.strip() != DEFAULT_TEMPLATE.strip() else "")
     set_setting("site_name", name or "tinyweb")
     set_setting("sharing_enabled", sharing)
     return handle_style_form("Saved.")
@@ -755,6 +743,7 @@ def handle_subscription_autosync(sub_id):
 
 def handle_subscription_delete(sub_id):
     db = get_db()
+    db.execute("DELETE FROM remote_pages WHERE subscription_id = ?", (sub_id,))
     db.execute("DELETE FROM subscriptions WHERE id = ?", (sub_id,))
     db.commit()
     db.close()
@@ -826,7 +815,7 @@ def dispatch_request(data):
         elif path == "/bookmark":
             return handle_bookmark(query)
         elif path == "/style":
-            return handle_style_form()
+            return handle_style_form(query=query)
         elif path == "/about":
             return handle_about()
         elif path == "/export":