/* Conference bingo: screen styles for controls and cards. */

.bingo-page { max-width: 860px; margin: 0 auto; padding: clamp(40px, 5vw, 64px) 24px clamp(48px, 6vw, 80px); }
.bingo-intro h1 { font-size: clamp(30px, 5vw, 44px); margin: 0 0 8px; }
.bingo-back { margin: 0 0 12px; }
.bingo-back a { color: var(--indigo); font-weight: 700; }
.bingo-lede { font-size: 17px; color: var(--muted); margin: 0 0 28px; max-width: 560px; }

.bingo-controls { margin-bottom: 32px; }
.bingo-controls h2 { font-size: 20px; margin: 0 0 16px; }
.bingo-field { margin: 0 0 16px; padding: 0; border: 0; }
.bingo-field > label, .bingo-field legend { display: block; font-weight: 700; margin-bottom: 6px; padding: 0; }
.bingo-field input[type="number"] { width: 6rem; padding: 8px 10px; font: inherit; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); }
fieldset.bingo-field label { display: block; font-weight: 400; margin-bottom: 4px; }
fieldset.bingo-field input[type="radio"] { margin-right: 6px; }
.bingo-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.bingo-status { min-height: 1.5em; margin: 12px 0 0; color: var(--muted); font-size: 15px; }

#cards { display: grid; gap: 28px; }

.bingo-card {
  --cell-h: 96px;
  background: #fff;
  color: #000;
  border: 3px solid #000;
  border-radius: 8px;
  padding: 16px;
  max-width: 760px;
  width: 100%;
  margin-inline: auto;
}

.bingo-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.bingo-logo { flex: none; width: 60px; height: auto; }
.bingo-titles { line-height: 1.15; }
.bingo-brand { margin: 0; font-weight: 800; letter-spacing: .02em; }
.bingo-title { margin: 0; font-size: 1.5rem; }
.bingo-sub { margin: 0; font-size: .9rem; }

.bingo-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 2px solid #000;
  border-left: 2px solid #000;
}
.bingo-square {
  min-height: var(--cell-h);
  border-right: 2px solid #000;
  border-bottom: 2px solid #000;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: .85rem;
  line-height: 1.2;
  overflow-wrap: anywhere;
}
.bingo-free { font-weight: 800; outline: 3px double #000; outline-offset: -7px; }

.bingo-card-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  margin-top: 10px;
  font-size: .8rem;
}

@media (max-width: 560px) {
  .bingo-card { padding: 10px; }
  .bingo-square { font-size: .68rem; padding: 3px; min-height: 72px; }
}

/* Print: one-sided, black and white, Letter and A4. No meaning rides on backgrounds. */
@page { margin: 12mm; }

@media print {
  html, body { background: #fff !important; color: #000; }
  .no-print { display: none !important; }
  .bingo-page { max-width: none; width: 100%; margin: 0; padding: 0; }

  #cards { display: block; margin: 0; }

  .bingo-card {
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 2mm 3mm;
    border: 1.5pt solid #000;
    border-radius: 0;
    box-shadow: none;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  .bingo-card-header { margin-bottom: 2mm; gap: 3mm; }
  .bingo-logo { filter: grayscale(1) brightness(.7) contrast(3); height: auto; }
  .bingo-brand { font-size: 10pt; }
  .bingo-title { font-size: 16pt; }
  .bingo-sub { font-size: 9pt; }
  .bingo-grid { border-top-width: 1.5pt; border-left-width: 1.5pt; }
  .bingo-square { min-height: var(--cell-h); border-right-width: 1.5pt; border-bottom-width: 1.5pt; padding: 1.5mm; }
  .bingo-free { outline-width: 2.5pt; outline-offset: -2.5mm; }
  .bingo-card-footer { margin-top: 1.5mm; font-size: 8pt; }

  /* 2 per page: two stacked cards must fit one Letter page (~255mm printable). */
  #cards[data-per="2"] .bingo-card { --cell-h: 18mm; margin-bottom: 6mm; }
  #cards[data-per="2"] .bingo-logo { width: 20mm; }
  #cards[data-per="2"] .bingo-square { font-size: 9pt; }
  #cards[data-per="2"] .bingo-card:nth-child(2n) { margin-bottom: 0; break-after: page; page-break-after: always; }

  /* 1 per page. */
  #cards[data-per="1"] .bingo-card { --cell-h: 38mm; break-after: page; page-break-after: always; }
  #cards[data-per="1"] .bingo-logo { width: 24mm; }
  #cards[data-per="1"] .bingo-square { font-size: 12pt; }
  #cards[data-per="1"] .bingo-title { font-size: 22pt; }

  /* No blank trailing page. */
  #cards[data-per] .bingo-card:last-child { break-after: auto; page-break-after: auto; }
}