/**
 * Print Base Styles
 * V7.2 Multi-Site Platform
 *
 * Universal print styles for all site types.
 * Consolidated from 14+ site-level skin.css @media print blocks.
 * Profile-specific styles should go in print-profile-*.css
 *
 * Architecture:
 *   print-base.css          ← Universal (this file)
 *   print-profile-math.css  ← Arithmetic / Math problems
 *   print-profile-sudoku.css← Sudoku / Kakuro / Solver puzzles
 *   print-profile-wordsearch.css ← Word Search / Number Search grids
 *   print-profile-maze.css  ← Maze / Coloring / Canvas
 *   print-profile-bingo.css ← Bingo cards
 *   print-profile-card.css  ← Word Jumble / Flashcards
 *   print-profile-sheet.css ← Graph Paper / Handwriting / Lined
 *   print-profile-crossword.css ← Crossword puzzles
 */

/* ===== 1. Page Setup ===== */
@page {
  size: letter; /* US Letter: 8.5" × 11" (215.9mm × 279.4mm) */
  margin: 10mm 8mm 8mm 8mm; /* Optimized for letter paper */
}

/* ===== 2. Base Reset ===== */
* {
  box-sizing: border-box;
}

body.print-view {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  font-size: 12pt; /* Increased from 11pt for better readability */
  line-height: 1.4; /* Increased from 1.3 for better readability */
  color: #000;
  background: #fff;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

/* ===== 3. Print Header (Name / Class / Date) ===== */
.print-header {
  margin-bottom: 3mm; /* Tightened: was 4mm */
  page-break-after: avoid;
  border-bottom: 1.2px solid #111;
  padding-bottom: 2mm; /* Tightened: was 3mm */
}

.print-head-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3mm; /* Reduced from 4mm */
  align-items: center;
  margin-bottom: 2mm; /* Tightened: was 2.5mm */
}

.print-info-fields {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4mm;
}

.print-field {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  gap: 2mm;
  min-width: 0;
}

.print-field label {
  font-weight: 700;
  white-space: nowrap;
  font-size: 10pt; /* Reduced from 10.5pt to save space */
}

.print-field-line {
  border-bottom: 1px solid #111; /* Thinner border to save ink */
  min-height: 5mm; /* Reduced from 6mm to save vertical space */
}

.print-title {
  font-size: 16pt; /* Reduced from 17pt to save vertical space */
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.2px;
}

.print-count-badge {
  border: 1.2px solid #111;
  border-radius: 999px;
  min-width: 24mm;
  text-align: center;
  font-size: 10.5pt;
  font-weight: 700;
  line-height: 1;
  padding: 2.2mm 3mm;
}

/* ===== 4. Print Body ===== */
.print-body {
  margin-top: 0;
}

/* ===== 5. Universal Hide Rules ===== */
/* Consolidated from all site skin.css @media print blocks.
   Covers both dedicated print route (.print-view) and browser Ctrl+P path. */
.print-view .interactive-toolbar,
.print-view .sie-wrapper,
.print-view .detail-atom-toolbar,
.print-view button,
.print-view .btn,
.print-view .btn-nav,
.print-view nav,
.print-view footer,
.print-view .site-header,
.print-view .site-footer,
.print-view .breadcrumb,
.print-view .set-switcher,
.print-view .actions,
.print-view .page-nav,
.print-view .page-navigation,
.print-view .page-header,
.print-view .page-header-section,
.print-view .intro,
.print-view .intro-section,
.print-view .body-content,
.print-view .seo-components,
.print-view .seo-components--primary,
.print-view .seo-components--secondary,
.print-view .body-content--collapsible,
.print-view .score-panel,
.print-view .score-retry,
.print-view .hero-stats,
.print-view .category-meta,
.print-view .subcategory-arrow,
.print-view .canvas-palette,
.print-view .brush-selector,
.print-view .problem-feedback,
.print-view .ws-result-icon,
.print-view .stat-badge,
.print-view .content-type-badge,
.print-view .puzzle-stats,
.print-view .difficulty-badge,
.print-view .variant-meta,
.print-view .variant-chip,
.print-view .lang-switcher,
.print-view .skip-link,
.print-view .solver-constraints,
.print-view .mathdoku-legend,
.print-view .no-print {
  display: none !important;
}

/* Show print-only elements */
.print-view .print-only {
  display: block !important;
}

.print-view .print-only-inline {
  display: inline-block !important;
}

/* ===== 6. Universal Content Reset ===== */
/* Remove shadows, borders, backgrounds for clean print */
.print-view .body-content,
.print-view .worksheet-content,
.print-view #detail-atom-mount,
.print-view .detail-region {
  background: white !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
}

.print-view .detail-layout {
  max-width: 100% !important;
  gap: 0 !important;
  margin: 0 !important;
}

/* ===== 7. Page Break Rules ===== */
.problem-item {
  page-break-inside: avoid;
  break-inside: avoid;
}

/* ===== 8. Input Fields in Print ===== */
/* Hide interactive inputs, show answer lines instead */
.print-view .answer-input,
.print-view .problem-input,
.print-view .ws-input,
.print-view .solver-input:not([value]) {
  display: none !important;
}

/* Answer blank line (worksheet mode) */
.print-view .ws-answer-blank {
  display: block !important;
  height: 1.5rem;
}

/* Show answers when in answer mode */
.print-view .show-answers .answer,
.print-view .show-answers .problem-answer-filled {
  display: inline-block;
  font-weight: 700;
}

/* ===== 9. Sudoku / Solver Fallback ===== */
/* Basic fallback for solver grids (detailed styles in print-profile-sudoku.css) */
.sudoku-print-grid {
  border-collapse: collapse;
  margin: 0 auto;
}

.sudoku-print-grid td {
  width: 8mm;
  height: 8mm;
  border: 0.8px solid #111;
  text-align: center;
  vertical-align: middle;
  font-size: 10pt;
  font-weight: 700;
  padding: 0;
}

.answer-key-grid .problem-answer-filled {
  display: inline-block;
  min-width: 4mm;
}

/* ===== 10. Print Footer ===== */
.print-footer {
  margin-top: 2mm; /* Tightened: was 4mm */
  padding-top: 1mm; /* Tightened: was 2mm */
  border-top: 0.8px solid #ccc;
  font-size: 7pt; /* Reduced: was 8pt */
  color: #999;
  text-align: center;
}

/* ===== 11. Print Stat Badge ===== */
/* .stat-badge is now hidden via Section 5 universal hide rules */

/* ===== 12. Error State ===== */
.print-view .error {
  background: white !important;
  border: 1pt solid #999 !important;
  color: #000 !important;
}