/* PDF viewer (components/PdfViewer.css). */

/* ===== PDF Viewer ===== */

.pdf-viewer {
  display: flex;
  flex-direction: column;
  background: #1e293b;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.18);
}

.pdf-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 18px;
  background: #0f172a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap;
}

.pdf-toolbar-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pdf-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: #cbd5e1;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  text-decoration: none;
}

.pdf-tool-btn:hover,
.pdf-tool-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

/* The "Pages" button's list of pages, dropping down under it. */
.pdf-pages-wrap {
  position: relative;
}

.pdf-pages-menu {
  position: absolute;
  top: 40px;
  left: 0;
  z-index: 20;
  min-width: 120px;
  max-height: 320px;
  overflow-y: auto;
  margin: 0;
  padding: 4px;
  list-style: none;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.pdf-pages-menu button {
  width: 100%;
  padding: 6px 10px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #cbd5e1;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.pdf-pages-menu button:hover,
.pdf-pages-menu button.current {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.pdf-zoom-value {
  min-width: 56px;
  padding: 0 8px;
  height: 34px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: #e2e8f0;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.pdf-zoom-value:hover {
  background: rgba(255, 255, 255, 0.1);
}

.pdf-page-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #e2e8f0;
  font-size: 0.85rem;
  font-weight: 600;
  margin-left: 4px;
}

.pdf-page-indicator input {
  width: 46px;
  height: 30px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.pdf-page-total {
  color: #94a3b8;
}

.pdf-canvas-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 22px;
  padding: 24px;
  min-height: 800px;
  max-height: 120vh;
  overflow-y: auto;
  overflow-x: auto;
  background: #334155;
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

.pdf-page-frame {
  display: flex;
  /* `safe`: a page zoomed wider than the viewer falls back to left-aligned instead of being
     centred past the left edge, where no amount of scrolling could reach it */
  justify-content: safe center;
  width: 100%;
  flex-shrink: 0;
}

.pdf-page-frame .react-pdf__Page {
  /* No max-width constraint to allow natural zooming */
}

.pdf-canvas-area canvas {
  display: block;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  border-radius: 4px;
}

.pdf-page-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  color: #cbd5e1;
  font-size: 0.85rem;
  font-weight: 600;
}

.pdf-status {
  color: #cbd5e1;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 60px 20px;
}

.pdf-status-error {
  color: #fca5a5;
}

.pdf-status-detail {
  margin-top: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #94a3b8;
  word-break: break-word;
}

@media (max-width: 900px) {
  .pdf-canvas-area {
    padding: 14px;
    gap: 16px;
    min-height: 340px;
    scroll-padding-top: 14px;
  }
}