/* A4プリント用スタイル (印刷および画面プレビュー) */

.print-view {
  display: grid;
  grid-template-columns: minmax(280px, 340px) 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.print-form {
  background: var(--c-surface);
  border: 2px solid var(--c-rule);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--c-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.print-form h2 {
  font-size: var(--text-lg);
  color: var(--c-ink);
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label.group-title {
  font-size: var(--text-sm);
  font-weight: bold;
  color: var(--c-ink-2);
}

.radio-pills, .check-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-paper);
  border: 2px solid var(--c-rule);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: var(--text-sm);
  font-weight: bold;
  cursor: pointer;
  transition: all var(--dur-short);
}

.pill-label:hover {
  border-color: var(--c-unit-l);
  background: var(--c-unit-l-light);
}

.pill-label input:checked + span {
  color: var(--c-unit-l);
}

.pill-label:has(input:checked) {
  border-color: var(--c-unit-l);
  background: var(--c-unit-l-light);
  box-shadow: 0 0 0 1px var(--c-unit-l);
}

.select-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.select-row select {
  padding: 8px 12px;
  font-size: var(--text-base);
  border: 2px solid var(--c-rule);
  border-radius: var(--radius-sm);
  background: #fff;
  font-family: inherit;
  font-weight: bold;
}

.print-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.btn-print-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--tap-min);
  padding: 0 18px;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: bold;
  cursor: pointer;
  border: none;
  transition: transform var(--dur-short), box-shadow var(--dur-short);
  user-select: none;
}

.btn-print-action--generate {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
  box-shadow: 0 4px 0 #0369a1;
}

.btn-print-action--generate:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #0369a1;
}

.btn-print-action--print {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  box-shadow: 0 4px 0 #047857;
}

.btn-print-action--print:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #047857;
}

/* プレビューエリア */
.print-preview-area {
  position: relative;
  background: #cbd5e1;
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  overflow: auto;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.print-zoom-controls {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--c-shadow-md);
  font-size: var(--text-sm);
  font-weight: bold;
}

.sheets-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  transform-origin: top center;
  transition: transform 0.2s ease;
}

/* A4 Sheet 1枚の規格レイアウト */
.a4-sheet {
  box-sizing: border-box;
  width: 210mm;
  min-height: 297mm;
  height: 297mm;
  padding: 14mm 16mm 12mm 16mm;
  background: #ffffff;
  color: #111827;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  font-family: var(--font-udp);
  position: relative;
  display: flex;
  flex-direction: column;
  page-break-after: always;
  break-after: page;
  print-color-adjust: exact;
  -webkit-print-color-adjust: exact;
  overflow: hidden;
}

/* シートヘッダー */
.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 2px solid #0f172a;
  padding-bottom: 6px;
  margin-bottom: 12px;
}

.sheet-title-box {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sheet-badge {
  font-size: 10pt;
  font-weight: bold;
  color: #0369a1;
  letter-spacing: 0.05em;
}

.sheet-title {
  font-size: 18pt;
  font-weight: bold;
  line-height: 1.2;
}

.sheet-meta-box {
  display: flex;
  align-items: flex-end;
  gap: 14px;
}

.sheet-student-info {
  display: flex;
  gap: 12px;
  font-size: 11pt;
}

.name-line {
  border-bottom: 1px solid #334155;
  min-width: 140px;
  display: inline-block;
  padding-bottom: 2px;
}

.score-box {
  border: 2px solid #0f172a;
  border-radius: 6px;
  width: 65px;
  height: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 9pt;
  font-weight: bold;
}

.score-num {
  font-size: 14pt;
  color: #dc2626;
}

/* 問題グリッド */
.sheet-problems-grid {
  display: grid;
  flex-grow: 1;
  gap: 12px 16px;
  align-content: space-between;
}

.grid-cols-2 {
  grid-template-columns: 1fr 1fr;
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

.sheet-problem-item {
  box-sizing: border-box;
  border: 1px dashed #94a3b8;
  border-radius: 8px;
  padding: 10px 12px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 0;
}

.sheet-problem-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11pt;
  font-weight: bold;
  color: #0f172a;
}

.sheet-prob-num {
  background: #0284c7;
  color: #ffffff;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10pt;
  flex-shrink: 0;
}

.sheet-problem-body {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 12px;
  margin: 6px 0;
}

.sheet-problem-svg {
  flex-shrink: 0;
}

.sheet-problem-desc {
  font-size: 12pt;
  line-height: 1.4;
  flex-grow: 1;
}

.sheet-problem-ans-line {
  display: flex;
  justify-content: flex-end;
  align-items: baseline;
  gap: 8px;
  font-size: 12pt;
  font-weight: bold;
  margin-top: 4px;
}

.ans-write-space {
  border-bottom: 2px solid #0f172a;
  min-width: 100px;
  height: 24px;
  display: inline-block;
  text-align: center;
  color: #dc2626;
  font-size: 13pt;
}

/* 解答シートスタイル */
.a4-sheet.is-answer-sheet {
  background: #fffdfa;
}

.a4-sheet.is-answer-sheet .sheet-badge {
  color: #dc2626;
}

.sheet-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 8pt;
  color: #64748b;
  border-top: 1px solid #e2e8f0;
  padding-top: 4px;
  margin-top: 8px;
}

/* スマホ用レスポンシブ */
@media (max-width: 1024px) {
  .print-view {
    grid-template-columns: 1fr;
  }
}

/* ===== 印刷ダイアログ実行時のスタイル ===== */
@page {
  size: A4 portrait;
  margin: 0;
}

@media print {
  html, body {
    background: #ffffff !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .topbar,
  .print-form,
  .print-zoom-controls,
  .btn-print-action,
  header,
  footer {
    display: none !important;
  }

  .app-layout {
    max-width: none !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .print-view {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .print-preview-area {
    background: none !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
    max-height: none !important;
  }

  .sheets-container {
    transform: none !important;
    gap: 0 !important;
  }

  .a4-sheet {
    box-shadow: none !important;
    width: 210mm !important;
    height: 297mm !important;
    page-break-after: always !important;
    break-after: page !important;
    border: none !important;
    margin: 0 !important;
  }

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