fix(ui): tidy mobile selectors and timeline

web/src/style.css

@@ -1349,7 +1349,7 @@ body.zen .content { gap: 0.3rem; }
 #discovery-options label { position: relative; }
 #discovery-options label + label { border-left: 1px solid #ffffff20; }
 #discovery-options label::after { content: ''; position: absolute; right: 0.85rem; top: 50%; width: 0.35rem; height: 0.35rem; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-70%) rotate(45deg); pointer-events: none; }
-#discovery-options select { appearance: none; min-height: 2rem; padding: 0.4rem 2rem 0.4rem 0.8rem; border: 0; border-radius: 999px; background: transparent; font-size: 0.8rem; cursor: pointer; }
+#discovery-options select { -webkit-appearance: none; appearance: none; min-height: 2rem; padding: 0.4rem 2rem 0.4rem 0.8rem; border: 0; border-radius: 999px; background: transparent; font-size: 0.8rem; cursor: pointer; }
 #discovery-options select:hover { background: #ffffff12; }
 #discovery-options select option { color: #fff; background: #18181b; }
 #active-filters { top: 7.8rem; }
@@ -1392,7 +1392,7 @@ button.danger:not(.link) { background: var(--danger); color: #111; }
   position: relative; inset: auto; translate: none; transform: none;
   width: 100%; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
   align-items: center; gap: 0.5rem; margin-top: 0.65rem; padding: 0.75rem 0 0;
-  border: none; border-top: 1px solid #ffffff26; border-radius: 0;
+  border: none; border-radius: 0;
   background: none;
 }
 .content .act { min-width: 0; min-height: 48px; flex-direction: row; justify-content: center; gap: 0.4rem; border-radius: 999px; font-size: 0.85rem; color: var(--fg); }
@@ -1419,6 +1419,7 @@ body.zen .content .actions { display: none; }
   .content .time { min-height: 1.2rem; }
 }
 @media (max-width: 640px) {
+  #discovery-options select { min-height: 2.75rem; font-size: 1rem; }
   .content { margin-bottom: 4.5rem; }
   .content .actions { padding: 0.5rem 0 0; gap: 0.25rem; margin-top: 0.25rem; }
   .content .act { gap: 0.25rem; font-size: 0.75rem; }