/* Starfish English · A4 Handout Frame
 * Provides: page setup, body grid (header / content / footer), masthead accent,
 * page-break helpers for duplex print.
 *
 * Consume by setting <body class="a4-page"> and using the .page-header /
 * .page-content / .page-footer regions. Multi-page handouts wrap each page
 * in .a4-sheet with .page-break-after between sheets.
 */

@page {
  size: A4;
  margin: 0;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: 'MuseoSans', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Each .a4-sheet is exactly one printed page. Use multiple for duplex/multi-page. */
.a4-sheet {
  width: 210mm;
  height: 297mm;
  padding: 18mm 18mm 16mm 18mm;
  box-sizing: border-box;
  position: relative;
  display: flex;
  flex-direction: column;
  page-break-after: always;
  break-after: page;
  background: var(--bg-page);
  overflow: hidden;
}

.a4-sheet:last-child {
  page-break-after: auto;
  break-after: auto;
}

/* Masthead accent line — top of every sheet */
.a4-sheet::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--brand-rust);
}

/* Header row: logo + lesson meta */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--gap-snug);
  border-bottom: 1px solid var(--rule-line);
  margin-bottom: var(--gap-base);
  flex-shrink: 0;
}

.page-header .logo {
  height: 14mm;
  width: auto;
  display: block;
}

.page-header .meta {
  text-align: right;
}

.page-header .meta .title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-header .meta .date {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2mm;
}

/* Main content area — flex-grows to fill page */
.page-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Page title block */
.page-title {
  margin-bottom: var(--gap-base);
}

.page-title .kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--brand-rust);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 2mm;
}

.page-title h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: var(--leading-tight);
  margin: 0;
}

.page-title .subtitle {
  font-size: var(--text-md);
  color: var(--text-secondary);
  margin-top: 2mm;
  font-weight: 400;
}

/* Footer row: school + page number */
.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--gap-snug);
  border-top: 1px solid var(--rule-line);
  margin-top: var(--gap-base);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.page-footer .school {
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Common content components */

h2.section-head {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--gap-tight) 0;
  letter-spacing: -0.005em;
}

h3.subsection-head {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--brand-rust);
  margin: var(--gap-snug) 0 var(--gap-tight) 0;
  letter-spacing: 0.02em;
}

/* Write-in line (single rule) */
.writein-line {
  border-bottom: 1pt solid var(--rule-line);
  height: 10mm;
  margin-bottom: 4mm;
}

.writein-line.short { height: 8mm; }
.writein-line.tall  { height: 14mm; }

/* Name / partner field — inline label + rule */
.field-row {
  display: flex;
  align-items: baseline;
  gap: 4mm;
  margin-bottom: var(--gap-snug);
}

.field-row .label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.field-row .field {
  flex: 1;
  border-bottom: 1pt solid var(--rule-line);
  min-height: 7mm;
}

/* Checkbox row (for self-assessment etc.) */
.checkbox-row {
  display: flex;
  gap: var(--gap-base);
  flex-wrap: wrap;
}

.checkbox-row .checkbox {
  display: flex;
  align-items: center;
  gap: 3mm;
  font-size: var(--text-md);
  color: var(--text-primary);
}

.checkbox-row .checkbox .box {
  width: 5mm;
  height: 5mm;
  border: 1.2pt solid var(--text-primary);
  border-radius: 0.8mm;
  display: inline-block;
}

/* Numbered question block */
.question-block {
  margin-bottom: var(--gap-base);
}

.question-block .q-num-row {
  display: flex;
  align-items: baseline;
  gap: 3mm;
  margin-bottom: var(--gap-tight);
}

.question-block .q-num {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--brand-rust);
  line-height: 1;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.question-block .q-text {
  font-size: var(--text-md);
  color: var(--text-primary);
  line-height: var(--leading-snug);
  font-weight: 400;
}

/* Closing note (footer-of-content thanks line, brand-colored) */
.closing-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--gap-base);
  line-height: var(--leading-snug);
}

.closing-note .accent {
  color: var(--brand-rust);
  font-weight: 700;
}

/* Soft-fill panel (used for back-of-card reference, callouts) */
.panel {
  background: var(--brand-cream);
  border-left: 3pt solid var(--brand-rust);
  padding: var(--gap-snug) var(--gap-base);
  border-radius: 0 1mm 1mm 0;
}

.panel h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--gap-tight) 0;
}

.panel ul {
  margin: 0;
  padding-left: 5mm;
  list-style: disc;
}

.panel li {
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  margin-bottom: 2mm;
  color: var(--text-primary);
}

.panel li .ja {
  color: var(--text-secondary);
  font-size: var(--text-xs);
  margin-left: 2mm;
}
