/* Start-up placeholder, shown only until the application starts (or if its code cannot load). Plain file so a
   strict Content-Security-Policy needs no inline styles. */
#boot { font-family: "Segoe UI", system-ui, sans-serif; color: #1c2430; background: #f3f5f7; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 24px;
  text-align: center; box-sizing: border-box; }
#boot p { margin: 0; max-width: 32rem; line-height: 1.5; }
#boot button { min-height: 44px; padding: 0 24px; border: 1px solid #1d5c96; border-radius: 4px; background: #1d5c96;
  color: #ffffff; font: inherit; cursor: pointer; }
#boot button:hover { background: #174a79; }