/**
 * WHY:    Worksheet must print cleanly on any B&W office printer.
 * WHAT:   Print-optimised styles for A4 fold-in-half worksheet.
 * HOW:    Uses @media print for page breaks, margins, no background.
 * WHERE:  shared/styles/worksheet.css
 * WHEN:   Used by worksheet.html in each deck.
 */

/* ─── Self-Hosted Fonts ─── */

@font-face {
  font-family: 'Quicksand';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/quicksand/quicksand-variable.woff2') format('woff2');
}

@font-face {
  font-family: 'Inconsolata';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/inconsolata/inconsolata-variable.woff2') format('woff2');
}

/* ─── Tokens ─── */

:root {
  --meos-black: #000000;
  --meos-white: #FFFFFF;
  --meos-neutral-300: #E6E6E6;
  --meos-neutral-500: #A6A6A6;
  --meos-neutral-700: #3A3A3A;
  --meos-font-heading: 'Quicksand', 'Helvetica Neue', sans-serif;
  --meos-font-body: 'Inconsolata', 'Courier New', monospace;
}

/* ─── Reset ─── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ─── Screen Styles ─── */

body {
  font-family: var(--meos-font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--meos-black);
  background: var(--meos-white);
  max-width: 210mm;
  margin: 0 auto;
  padding: 20mm;
}

h1 {
  font-family: var(--meos-font-heading);
  font-size: 1.6em;
  font-weight: 700;
  margin-bottom: 8px;
}

h2 {
  font-family: var(--meos-font-heading);
  font-size: 1.1em;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--meos-black);
}

h3 {
  font-family: var(--meos-font-heading);
  font-size: 0.95em;
  font-weight: 600;
  margin-top: 12px;
  margin-bottom: 4px;
}

p {
  margin-bottom: 6px;
}

/* ─── Writing Lines ─── */

.write-area {
  border: 1px solid var(--meos-neutral-300);
  border-radius: 2px;
  min-height: 60px;
  padding: 8px;
  margin: 8px 0 16px 0;
  background: var(--meos-white);
}

.write-area.tall {
  min-height: 100px;
}

/* ─── Prompt Labels ─── */

.prompt {
  font-family: var(--meos-font-heading);
  font-weight: 500;
  font-size: 0.9em;
  color: var(--meos-neutral-700);
  margin-bottom: 4px;
}

/* ─── Quick Reference (Back Page) ─── */

.reference-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.reference-card {
  border: 1px solid var(--meos-black);
  border-radius: 4px;
  padding: 10px;
}

.reference-card h3 {
  margin-top: 0;
  border-bottom: none;
}

.reference-card ul {
  list-style: none;
  padding: 0;
}

.reference-card li {
  font-size: 0.85em;
  padding: 2px 0;
}

.reference-card li::before {
  content: '→ ';
  color: var(--meos-neutral-500);
}

/* ─── Header & Footer ─── */

.worksheet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--meos-black);
}

.worksheet-header img {
  width: 32px;
  height: auto;
}

.worksheet-footer {
  margin-top: 24px;
  padding-top: 12px;
  border-top: 1px solid var(--meos-neutral-300);
  font-size: 0.8em;
  color: var(--meos-neutral-500);
  text-align: center;
}

/* ─── QR Code ─── */

.qr-container {
  text-align: center;
  margin: 12px 0;
}

.qr-container svg {
  width: 80px;
  height: 80px;
}

.qr-container .qr-label {
  font-size: 0.75em;
  color: var(--meos-neutral-500);
  margin-top: 4px;
}

/* ─── Print Styles ─── */

@media print {
  body {
    padding: 10mm;
    font-size: 12px;
  }

  /* Page 1 = front (guided prompts), Page 2 = back (reference) */
  .page-break {
    page-break-before: always;
  }

  /* No background colours in print */
  .write-area {
    border: 1px solid #999;
    background: none;
  }

  /* Hide screen-only elements */
  .screen-only {
    display: none;
  }

  /* Ensure borders print */
  .reference-card {
    border: 1px solid #000;
  }

  @page {
    size: A4;
    margin: 10mm;
  }
}