/* Responsive layer for the printable A4 lesson booklets. */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

@media (max-width: 820px) {
  body {
    display: block !important;
    padding: 10px !important;
    font-size: 16px;
  }

  .no-print {
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 0 10px !important;
    padding: 12px !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
  }

  .no-print > div:first-child,
  .a4-page *,
  .a4-page .grid {
    min-width: 0;
  }

  .no-print h1 {
    font-size: 16px !important;
    line-height: 1.3 !important;
  }

  .no-print button {
    padding: 9px 12px !important;
  }

  .a4-page {
    width: 100% !important;
    min-width: 0 !important;
    min-height: 0 !important;
    height: auto !important;
    margin: 0 0 12px !important;
    padding: 18px !important;
    overflow: visible !important;
    box-shadow: none !important;
  }

  .a4-page header,
  .a4-page section,
  .a4-page .card-container,
  .a4-page .practice-section {
    max-width: 100%;
  }

  .a4-page header > div {
    gap: 8px;
    flex-wrap: wrap;
  }

  .a4-page h1 {
    font-size: 22px !important;
    line-height: 1.18 !important;
  }

  .a4-page h2 {
    font-size: 20px !important;
    line-height: 1.25 !important;
  }

  .a4-page h3 {
    line-height: 1.3 !important;
  }

  .a4-page h1,
  .a4-page h2,
  .a4-page h3,
  .a4-page p,
  .a4-page li,
  .a4-page span,
  .a4-page div {
    overflow-wrap: normal;
    word-break: normal;
  }

  /* Large page-level columns become calm stacked cards on a phone. */
  .a4-page .grid-cols-2 {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  /* Keep small data pairs and rows intact. */
  .a4-page .card-row,
  .a4-page [class*="grid-cols-["] {
    font-size: 12px;
  }

  .card-row {
    grid-template-columns: minmax(88px, 5fr) minmax(0, 7fr);
    gap: 8px;
    padding: 8px 10px;
  }

  .turkish-text,
  .english-text {
    font-size: 13px;
  }

  .turkish-text {
    padding-right: 0;
  }

  /* Alphabet stays recognisable, but cards are wide enough for Aa / Ğğ. */
  .alphabet-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }

  .letter-card {
    display: flex;
    min-height: 58px;
    align-items: center;
    justify-content: center;
    padding: 8px 2px !important;
    font-size: 20px !important;
    line-height: 1 !important;
    white-space: nowrap;
  }

  .vocab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }

  .vocab-card {
    padding: 14px 10px !important;
  }

  .a4-page img,
  .a4-page svg {
    max-width: 100%;
  }

  .a4-page table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
  }
}

@media (max-width: 390px) {
  body {
    padding: 6px !important;
  }

  .a4-page {
    padding: 15px !important;
  }

  .a4-page h1 {
    font-size: 20px !important;
  }

  .a4-page h2 {
    font-size: 18px !important;
  }

  .alphabet-grid {
    gap: 7px !important;
  }

  .letter-card {
    min-height: 54px;
    font-size: 18px !important;
  }
}