Phones: list grids size their columns with minmax(0, 1fr) (or a min(…, 100%) minimum), so one long line can never widen a page past the screen (#91)

ddiff --git a/public/css/deals.css b/public/css/deals.css
iindex 9c8b42c..b5858b8 100644
---- a/public/css/deals.css
++++ b/public/css/deals.css
@@@ -47,7 +47,7 @@ form.inline button { margin: 0 0 0 8px; padding: 2px 10px; font-size: .85rem; }
  .tabs form.search { margin-left: auto; display: flex; gap: 6px; }
  .tabs form.search input { width: 200px; }
  .tabs form.search button { margin: 0; }
--.deal-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 10px; }
++.deal-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .deal-item { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 14px; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--border, #1f2d47); background: var(--bg-card, #131c2e); transition: border-color .15s, transform .15s; }
  .deal-item:hover { border-color: color-mix(in srgb, var(--accent, #3b82f6) 55%, var(--border, #1f2d47)); transform: translateY(-1px); }
  .deal-item .score { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; height: 56px; border-radius: 12px; font-weight: 800; font-size: 1rem; color: var(--text-secondary, #96a7c2); background: var(--bg-secondary, #0f1729); border: 1px solid var(--border, #1f2d47); }