/* Simple PDF pages viewer — burda + shimmering-lights */

body.pdf-reader-page {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
  --pdf-pattern: rgba(45, 90, 61, 0.045);
  background-color: #e8e6e2;
  background-image:
    linear-gradient(30deg, var(--pdf-pattern) 12%, transparent 12.5%, transparent 87%, var(--pdf-pattern) 87.5%, var(--pdf-pattern)),
    linear-gradient(150deg, var(--pdf-pattern) 12%, transparent 12.5%, transparent 87%, var(--pdf-pattern) 87.5%, var(--pdf-pattern));
  background-size: 72px 124px;
  background-position: 0 0, 0 0, 36px 62px, 36px 62px;
}

body.dark-mode.pdf-reader-page {
  --pdf-pattern: rgba(201, 168, 76, 0.06);
  background-color: #0d1210;
}

.pdf-reader-shell {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px clamp(10px, 3vw, 20px) 28px;
  box-sizing: border-box;
}

.pdf-reader-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(26, 58, 42, 0.1);
  border: 1px solid rgba(26, 58, 42, 0.08);
  overflow: hidden;
  width: 100%;
  min-height: 420px;
}

.pdf-zoom-controls {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(13, 92, 48, 0.9);
  padding: 8px;
}

.pdf-zoom-controls button {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}

.pdf-zoom-controls button:hover { background: rgba(255, 255, 255, 0.26); }

.pdf-zoom-value {
  min-width: 48px;
  text-align: center;
  font-size: 12px;
  color: #fff;
  font-weight: 700;
}

.pdf-zoom-wrap {
  width: 100%;
  max-height: calc(100dvh - 210px);
  overflow: auto;
  padding: 12px;
  background: #f0f1ed;
}

.pdf-pages-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

.pdf-page-canvas {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  background: #fff;
  box-shadow: 0 3px 12px rgba(0,0,0,0.16);
  border-radius: 4px;
}

.pdf-loading {
  color: #3a4c3f;
  font-size: 14px;
  padding: 14px 10px;
}

body.dark-mode .pdf-reader-card {
  background: #141c18;
  border-color: #2a3a32;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}
body.dark-mode .pdf-zoom-wrap { background: #111814; }
body.dark-mode .pdf-loading { color: #c8e0d4; }

@media (max-width: 768px) {
  .pdf-reader-card { min-height: 380px; border-radius: 10px; }
  .pdf-zoom-wrap { max-height: calc(100dvh - 190px); padding: 8px; }
}

@media (max-width: 480px) {
  .pdf-reader-shell { padding-left: 8px; padding-right: 8px; }
  .pdf-reader-card { min-height: 330px; border-radius: 8px; }
  .pdf-zoom-controls { gap: 4px; padding: 5px; }
  .pdf-zoom-controls button { width: 28px; height: 28px; font-size: 16px; }
  .pdf-zoom-value { min-width: 42px; font-size: 11px; }
}