/* ==========================================================================
   poster.css - styles for the Letter-size (816x1056 px = 8.5"x11" @96dpi)
   poster page. This stylesheet is deliberately free of media queries,
   box-shadows and other features html2canvas renders imperfectly, so the
   preview, the PDF and the print output all look identical.
   ========================================================================== */

/* -- base page ---------------------------------------------------------- */

.poster-page {
  --pg-bg: #fdf8ec;
  --pg-ink: #3a2c14;
  --pg-accent: #8a6d3b;
  --pg-muted: #7c6a4d;
  --pg-frame: #6b4f2a;
  --pg-frame-style: double;
  --pg-font: 'Frank Ruhl Libre', 'David Libre', Georgia, serif;
  --pg-title-color: var(--pg-ink);
  --pg-head-band: transparent;
  --pg-head-band-ink: var(--pg-ink);

  position: relative;
  width: 816px;
  height: 1056px;
  background: var(--pg-bg);
  color: var(--pg-ink);
  font-family: var(--pg-font);
  overflow: hidden;
  box-sizing: border-box;
}

/* uploaded background image + readability overlay */
.poster-page .pg-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.poster-page .pg-overlay {
  position: absolute;
  inset: 0;
  background: #ffffff;
  opacity: var(--pg-overlay-alpha, 0.85);
  z-index: 1;
}
.poster-page.tpl-night .pg-overlay,
.poster-page.tpl-auto[data-dark='1'] .pg-overlay { background: #0d1526; }

/* decorative frames */
.poster-page .pg-frame {
  position: absolute;
  z-index: 2;
  pointer-events: none;
}
.poster-page .pg-frame-outer {
  inset: 14px;
  border: 8px var(--pg-frame-style, double) var(--pg-frame);
}
.poster-page .pg-frame-inner {
  inset: 28px;
  border: 1.5px solid var(--pg-frame);
  opacity: 0.55;
}
.poster-page.frame-none .pg-frame { display: none; }
.poster-page.frame-solid .pg-frame-outer { border-style: solid; border-width: 5px; }
.poster-page.frame-double .pg-frame-outer { border-style: double; border-width: 8px; }

/* -- content column ------------------------------------------------------ */

.poster-page .pg-content {
  position: absolute;
  inset: 46px 56px 40px 56px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* letterhead */
.poster-page .pg-head { text-align: center; flex: none; }
.poster-page .pg-logo {
  display: block;
  margin: 0 auto 10px;
  max-height: 108px;
  max-width: 70%;
  object-fit: contain;
}
.poster-page .pg-inst {
  font-size: 34px;
  font-weight: 900;
  line-height: 1.25;
  color: var(--pg-head-band-ink);
  background: var(--pg-head-band);
  margin: 0 auto;
  padding: 2px 18px;
}
.poster-page .pg-dedication {
  margin-top: 6px;
  font-size: 19px;
  color: var(--pg-muted);
  font-weight: 500;
}
.poster-page .pg-head + .pg-info { margin-top: 16px; }

/* info bar */
.poster-page .pg-info {
  flex: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 7px 12px;
  margin: 14px auto 0;
  max-width: 100%;
  direction: inherit;
}
.poster-page .pg-badge {
  background: var(--pg-accent);
  color: #fff;
  font-size: 16.5px;
  font-weight: 700;
  padding: 3px 14px;
}
.poster-page .pg-info-bit {
  font-size: 18.5px;
  font-weight: 600;
  color: var(--pg-muted);
}
.poster-page .pg-info-bit:not(:last-child)::after {
  content: '•';
  margin-inline-start: 12px;
  color: var(--pg-accent);
}

/* mishna reference */
.poster-page .pg-ref {
  flex: none;
  text-align: center;
  font-size: 30px;
  font-weight: 900;
  color: var(--pg-title-color);
  margin: 12px 0 4px;
  line-height: 1.3;
}
.poster-page .pg-ref::after {
  content: '';
  display: block;
  width: 130px;
  height: 3px;
  background: var(--pg-accent);
  margin: 10px auto 0;
}

/* main text area (the auto-fit region) */
.poster-page .pg-main {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 8px;
}
.poster-page .pg-text {
  font-size: 33px;
  line-height: 1.87;
  font-weight: 500;
}
.poster-page .pg-text p { margin: 0 0 0.42em; }
.poster-page .pg-text p:last-child { margin-bottom: 0; }
.poster-page .pg-text b, .poster-page .pg-text strong { font-weight: 800; }

/* commentaries */
.poster-page .pg-commentary { margin-top: 14px; }
.poster-page .pg-comm-block + .pg-comm-block { margin-top: 12px; }
.poster-page .pg-comm-label {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: var(--pg-accent);
  display: inline-block;
  padding: 1px 10px;
  margin: 0 0 6px;
}
.poster-page .pg-comm-text {
  font-size: 16px;
  line-height: 1.72;
  color: var(--pg-comm-ink, var(--pg-ink));
  border-top: 2px solid var(--pg-comm-rule, var(--pg-accent));
  padding-top: 6px;
}
/* explicit physical alignment (html2canvas does not resolve text-align:start) */
.poster-he .pg-text, .poster-he .pg-comm-text { text-align: right; }
.poster-en .pg-text, .poster-en .pg-comm-text { text-align: left; }
.poster-page .pg-comm-text p { margin: 0 0 0.5em; }
.poster-page .pg-comm-text p:last-child { margin-bottom: 0; }

/* footer */
.poster-page .pg-foot {
  flex: none;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1.5px solid var(--pg-foot-rule, var(--pg-frame));
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  font-size: 12.5px;
  color: var(--pg-muted);
}
.poster-page .pg-foot-note { display: flex; gap: 12px; flex-wrap: wrap; }
.poster-page .pg-pageno { font-weight: 700; white-space: nowrap; }

/* English posters: slightly different typography */
.poster-page.poster-en .pg-text { font-weight: 400; line-height: 1.65; }

/* ==========================================================================
   Built-in templates
   ========================================================================== */

/* -- Classic Parchment (default palette already set above) --------------- */
.tpl-classic { }

/* -- Modern Minimal ------------------------------------------------------ */
.tpl-modern {
  --pg-bg: #ffffff;
  --pg-ink: #1f2937;
  --pg-accent: #2563eb;
  --pg-muted: #6b7280;
  --pg-frame: #dbe3ef;
  --pg-frame-style: solid;
  --pg-font: 'Heebo', 'Miriam Libre', sans-serif;
}
.tpl-modern .pg-frame-outer { border-width: 3px; }
.tpl-modern .pg-inst { color: var(--pg-ink); background: transparent; }
.tpl-modern .pg-ref { font-weight: 800; }
.tpl-modern .pg-text { font-weight: 400; line-height: 1.8; }
.tpl-modern .pg-comm-text { border-top-width: 3px; border-top-color: var(--pg-accent); }

/* -- Royal Blue & Gold --------------------------------------------------- */
.tpl-royal {
  --pg-bg: #fffdf7;
  --pg-ink: #22283a;
  --pg-accent: #c9a227;
  --pg-muted: #6d7386;
  --pg-frame: #1e3a5f;
  --pg-frame-style: double;
  --pg-font: 'Frank Ruhl Libre', Georgia, serif;
  --pg-head-band: #1e3a5f;
  --pg-head-band-ink: #ffffff;
}
.tpl-royal .pg-inst {
  padding: 6px 26px;
  font-weight: 900;
}
.tpl-royal .pg-badge { background: #1e3a5f; }
.tpl-royal .pg-info-bit { color: #1e3a5f; }
.tpl-royal .pg-comm-label { background: #1e3a5f; }

/* -- Elegant Ivory ------------------------------------------------------- */
.tpl-elegant {
  --pg-bg: #fbfaf7;
  --pg-ink: #151515;
  --pg-accent: #111111;
  --pg-muted: #6f6f6f;
  --pg-frame: #151515;
  --pg-frame-style: solid;
  --pg-font: 'David Libre', 'Frank Ruhl Libre', Georgia, serif;
}
.tpl-elegant .pg-frame-outer { border-width: 3px; }
.tpl-elegant .pg-frame-inner { opacity: 0.9; inset: 24px; }
.tpl-elegant .pg-inst { font-weight: 700; }
.tpl-elegant .pg-badge { background: #151515; }
.tpl-elegant .pg-comm-label { background: #151515; }

/* -- Fresh Garden -------------------------------------------------------- */
.tpl-fresh {
  --pg-bg: #f4f9f4;
  --pg-ink: #14301c;
  --pg-accent: #15803d;
  --pg-muted: #5f7266;
  --pg-frame: #2f6b43;
  --pg-frame-style: solid;
  --pg-font: 'Miriam Libre', 'Heebo', sans-serif;
}
.tpl-fresh .pg-frame-outer { border-width: 4px; }
.tpl-fresh .pg-inst { color: var(--pg-ink); background: transparent; }

/* -- Night Learning (dark) ------------------------------------------------ */
.tpl-night {
  --pg-bg: #14213d;
  --pg-ink: #f4f7fb;
  --pg-accent: #fca311;
  --pg-muted: #a9b4c9;
  --pg-frame: #fca311;
  --pg-frame-style: double;
  --pg-font: 'Frank Ruhl Libre', Georgia, serif;
}
.tpl-night .pg-inst { color: #fff; background: transparent; text-shadow: none; }
.tpl-night .pg-badge { color: #14213d; }
.tpl-night .pg-comm-text { color: #d9e0ea; }

/* -- Auto-generated ("Surprise me") ---------------------------------------- */
.tpl-auto {
  --pg-font: 'Frank Ruhl Libre', Georgia, serif;
}
.tpl-auto .pg-frame-outer { border-style: var(--pg-frame-style, double); }

/* ==========================================================================
   Preview scaling & print (the SAME page element is previewed and printed)
   ========================================================================== */

.preview-canvas {
  position: relative;
  width: 100%;
  aspect-ratio: 816 / 1056;
}

.preview-canvas .poster-page {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: top left;
}

/* hidden render stage (attached, laid out, but off-screen) */
#renderStage {
  position: fixed;
  top: 0;
  left: -11000px;
  width: 816px;
  z-index: -1;
  pointer-events: none;
}
#renderStage .poster-page { margin-bottom: 24px; }

/* print: every poster becomes exactly one Letter page */
@media print {
  @page { size: letter portrait; margin: 0; }
  body { background: #fff; }
  body > *:not(#printStage) { display: none !important; }
  #printStage {
    display: block !important;
    position: static !important;
  }
  #printStage .poster-page {
    position: static !important;
    width: 8.5in !important;
    height: 11in !important;
    transform: none !important;
    page-break-after: always;
    break-after: page;
  }
  #printStage .poster-page:last-child { page-break-after: auto; break-after: auto; }
}
#printStage { display: none; }

/* explicit rule colors per template (rgba keeps html2canvas happy) */
.tpl-classic { --pg-comm-rule: rgba(107, 79, 42, 0.45); --pg-comm-ink: #4c3d24; --pg-foot-rule: rgba(107, 79, 42, 0.55); }
.tpl-modern  { --pg-comm-rule: rgba(37, 99, 235, 0.35); --pg-comm-ink: #334155; --pg-foot-rule: rgba(219, 227, 239, 0.9); }
.tpl-royal   { --pg-comm-rule: rgba(30, 58, 95, 0.30); --pg-comm-ink: #3a4257; --pg-foot-rule: rgba(30, 58, 95, 0.4); }
.tpl-elegant { --pg-comm-rule: rgba(21, 21, 21, 0.35); --pg-comm-ink: #2e2e2e; --pg-foot-rule: rgba(21, 21, 21, 0.5); }
.tpl-fresh   { --pg-comm-rule: rgba(21, 128, 61, 0.35); --pg-comm-ink: #2b4a35; --pg-foot-rule: rgba(47, 107, 67, 0.5); }
.tpl-night   { --pg-comm-rule: rgba(252, 163, 17, 0.5); --pg-comm-ink: #d9e0ea; --pg-foot-rule: rgba(252, 163, 17, 0.45); }