/* First-visit design selection. Scoped so the desktop settings stay unchanged. */
#setup-dialog {
  --setup-ink: #182942;
  --setup-muted: #536176;
  --setup-accent: #174bbd;
  box-sizing: border-box;
  width: min(820px, calc(100vw - 40px));
  max-width: none;
  max-height: 90dvh;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid #c8d2e2;
  border-radius: 20px;
  background: #fff;
  color: var(--setup-ink);
  box-shadow: 0 24px 90px #071b4666, 0 0 0 5px #ffffff26;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  text-align: left;
}
#setup-dialog:not([open]) { display: none; }
#setup-dialog[open] { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }
#setup-dialog::backdrop { background: #071d40a6; backdrop-filter: blur(8px); }
#setup-dialog *, #setup-dialog *::before, #setup-dialog *::after { box-sizing: border-box; }
#setup-dialog .setup-heading { padding: 30px 32px 0; }
#setup-dialog .setup-kicker { margin: 0 0 10px; color: var(--setup-accent); line-height: 1.3; font-size: 11px; font-weight: 700; letter-spacing: .14em; }
#setup-dialog h2 { margin: 0 0 10px; font: 700 clamp(24px, 3.4vw, 32px)/1.16 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; letter-spacing: -.035em; color: var(--setup-ink); }
#setup-dialog .setup-heading > p:last-child { margin: 0; max-width: 590px; color: var(--setup-muted); font-size: 14px; line-height: 1.6; }
#setup-dialog .setup-options { min-height: 0; margin: 0; padding: 26px 32px 28px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; overflow-y: auto; overscroll-behavior: contain; border: 0; }
#setup-dialog .theme-option { display: flex; flex-direction: column; justify-content: flex-start; gap: 10px; padding: 12px; min-width: 0; border: 2px solid #d9e0eb; border-radius: 12px; background: #fff; box-shadow: none; color: var(--setup-ink); transition: border-color .15s, background .15s; }
#setup-dialog .theme-option:hover { background: #f7f9ff; border-color: #8bace2; }
#setup-dialog .theme-option:has(input:checked) { border-color: var(--setup-accent); background: #eff4ff; outline: 0; box-shadow: 0 0 0 1px var(--setup-accent); }
#setup-dialog .theme-option:focus-within { outline: 3px solid #174bbd; outline-offset: 4px; }
#setup-dialog .theme-option input { width: 19px; height: 19px; margin: 0; top: 20px; right: 20px; accent-color: var(--setup-accent); }
#setup-dialog .theme-option strong { color: var(--setup-ink); font: 650 15px/1.35 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; align-self: auto; }
#setup-dialog .theme-description { color: var(--setup-muted); font-size: 12px; line-height: 1.5; }
#setup-dialog .theme-preview { flex: none; height: 120px; width: 100%; border-radius: 6px; }
#setup-dialog .setup-footer { position: sticky; bottom: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 32px; border-top: 1px solid #e5eaf2; background: #f7f9fd; }
#setup-dialog .setup-footer p { margin: 0; max-width: 350px; color: var(--setup-muted); font-size: 12px; line-height: 1.5; }
#setup-dialog .setup-continue { flex: none; min-height: 46px; padding: 12px 23px; border: 1px solid #123e9f; border-radius: 8px; background: var(--setup-accent); color: #fff; box-shadow: 0 2px 3px #152e6017; font: 650 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; cursor: pointer; }
#setup-dialog .setup-continue:hover { background: #123e9f; }
#setup-dialog .setup-continue:focus-visible { outline: 3px solid #174bbd; outline-offset: 4px; }
@media (max-width: 600px), (max-width: 1000px) and (max-height: 600px) and (pointer: coarse) {
  #setup-dialog { width: calc(100vw - 24px); max-height: 90dvh; border-radius: 18px; }
  #setup-dialog .setup-heading { padding: 21px 20px 0; }
  #setup-dialog h2 { font-size: 25px; }
  #setup-dialog .setup-kicker { margin-bottom: 8px; }
  #setup-dialog .setup-heading > p:last-child { font-size: 12px; line-height: 1.45; }
  #setup-dialog .setup-options { grid-template-columns: 1fr; gap: 10px; padding: 19px 20px 20px; }
  #setup-dialog .theme-option { display: grid; grid-template-columns: 50px minmax(0,1fr); grid-template-rows: auto auto; gap: 3px 13px; padding: 10px 35px 10px 11px; border-radius: 10px; }
  #setup-dialog .theme-preview { grid-row: 1 / 3; width: 48px; height: 72px; border-radius: 10px; }
  #setup-dialog .theme-preview i { inset: 19px 5px auto; height: 33px; }
  #setup-dialog .theme-preview b { bottom: 5px; left: 4px; right: 4px; height: 12px; }
  #setup-dialog .theme-option strong { align-self: end; font-size: 14px; }
  #setup-dialog .theme-description { font-size: 11px; line-height: 1.4; }
  #setup-dialog .theme-option input { right: 11px; top: 13px; width: 18px; height: 18px; }
  #setup-dialog .setup-footer { padding: 14px 20px; gap: 12px; }
  #setup-dialog .setup-footer p { font-size: 10px; max-width: 170px; }
  #setup-dialog .setup-continue { padding: 11px 16px; }
}
@media (max-height: 520px) and (min-width: 601px) {
  #setup-dialog .setup-heading { padding: 16px 24px 0; }
  #setup-dialog h2 { font-size: 25px; }
  #setup-dialog .setup-options { padding: 16px 24px; }
  #setup-dialog .theme-preview { height: 70px; }
  #setup-dialog .setup-footer { padding: 12px 24px; }
}
@media (prefers-reduced-motion: reduce) { #setup-dialog .theme-option { transition: none; } }