/* Teacher PDF export. The button itself uses the site's default pill
   `button` rule (style.css). This file only places it, draws the chooser
   spacing, and builds the print pages. */

.pdf-export-footer {
  display: flex;
  justify-content: center;
  width: 100%;
  box-sizing: border-box;
  margin-top: 8px;
  padding: 28px 16px 36px;
}

/* The comment bar is position:fixed on the PopBoard. Keep the button in
   normal flow at the bottom, clear of that bar. */
#app > .pdf-export-footer {
  padding-bottom: 108px;
}

.pdf-chooser {
  z-index: 100001;
}

.pdf-chooser-card h3 {
  margin: 0 0 16px 0;
  text-align: center;
}

.pdf-chooser-options {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.pdf-chooser-options button {
  min-width: 220px;
}

.pdf-export-toolbar {
  position: fixed;
  z-index: 100002;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  background: #ffffff;
  padding: 10px 12px;
  border-radius: 999px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.pdf-measure-host {
  position: fixed;
  left: 0;
  top: 0;
  width: 7.5in;
  opacity: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.pdf-measure-host > *,
.pdf-sheet .pdf-block-fit > * {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  transform: none !important;
}

.pdf-measure-host .post-reveal-pending,
.pdf-sheet .post-reveal-pending {
  opacity: 1 !important;
  transform: none !important;
}

.pdf-export-root,
.pdf-sheet {
  color-scheme: light;
  --bg-color: #ffffff;
  --bg-secondary: #ffffff;
  --text-color: #1d1d1f;
  --text-secondary: #6e6e73;
  --card-bg: #ffffff;
  --card-gradient-start: #ffffff;
  --card-gradient-end: #fafafa;
  --input-bg: #ffffff;
  --input-text: #1d1d1f;
  --button-text: #1d1d1f;
  --button-border: rgba(0, 0, 0, 0.2);
  --border-color: rgba(0, 0, 0, 0.12);
  --card-bg-translucent: #ffffff;
  color: #1d1d1f;
}

.pdf-sheet {
  width: 8.5in;
  height: 11in;
  padding: 0.5in;
  box-sizing: border-box;
  background: #ffffff;
  overflow: hidden;
  break-after: page;
  page-break-after: always;
}

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

.pdf-sheet-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: stretch;
}

.pdf-block,
.pdf-block-fit,
.pdf-sheet .post,
.pdf-sheet .poll,
.pdf-sheet .reply,
.pdf-sheet .metric-card,
.pdf-sheet .board-card,
.pdf-sheet .teacher-panel,
.pdf-sheet .daily-dashboard-card,
.pdf-sheet .leaderboard-card,
.pdf-sheet img,
.pdf-sheet h1,
.pdf-sheet h2,
.pdf-sheet h3,
.pdf-sheet p,
.pdf-sheet li,
.pdf-sheet #seatCanvas,
.pdf-sheet .seat {
  break-inside: avoid;
  page-break-inside: avoid;
}

.pdf-sheet .post,
.pdf-sheet .poll,
.pdf-sheet .metric-card,
.pdf-sheet .board-card,
.pdf-sheet .teacher-panel,
.pdf-sheet .daily-dashboard-card,
.pdf-sheet .leaderboard-card,
.pdf-sheet #newPost {
  background: #ffffff !important;
  color: #1d1d1f;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  animation: none !important;
}

.pdf-sheet .pdf-screen-title {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: #1d1d1f;
}

.pdf-sheet .pdf-empty-note,
.pdf-chooser .pdf-empty-note {
  text-align: center;
  color: var(--text-secondary, #6e6e73);
  margin: 0;
}

.pdf-sheet #leaderboardSection,
.pdf-sheet .leaderboard-card,
.pdf-sheet header {
  position: static !important;
}

.pdf-sheet .lb-content-fade {
  mask-image: none;
  -webkit-mask-image: none;
}

@media screen {
  body.pdf-printing {
    background: #d8d8de;
    padding: 16px 0 96px;
  }
  body.pdf-printing > :not(#pdf-export-root):not(.pdf-export-toolbar) {
    display: none !important;
  }
  .pdf-sheet {
    margin: 0 auto 16px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
  }
}

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

@media print {
  html, body {
    margin: 0 !important;
    padding: 0 !important;
    background: #ffffff !important;
  }
  body.pdf-printing > :not(#pdf-export-root) {
    display: none !important;
  }
  .pdf-export-toolbar,
  .pdf-export-footer,
  .pdf-chooser,
  header,
  #newPost,
  #confusionIndicator,
  #teacherHandRaiseBar {
    display: none !important;
  }
  .pdf-sheet {
    margin: 0 !important;
    box-shadow: none !important;
  }
  .pdf-sheet,
  .pdf-sheet * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}