body.pdf-viewer-open {
  overflow: hidden;
}

.pdf-viewer {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: clamp(0.75rem, 2vw, 1.5rem);
  background: rgba(3, 13, 22, 0.78);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.pdf-viewer.is-open {
  opacity: 1;
  pointer-events: auto;
}

.pdf-viewer__dialog {
  display: grid;
  grid-template-rows: auto 1fr;
  width: min(100%, 1180px);
  height: min(100%, 900px);
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--box-border);
  border-radius: 8px;
  background: #061522;
  box-shadow: 0 30px 95px rgba(0, 10, 18, 0.56);
}

.pdf-viewer__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(122, 194, 232, 0.22);
  background: var(--box-blue);
}

.pdf-viewer__bar span {
  display: block;
  color: var(--blue);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.pdf-viewer__bar h2 {
  max-width: min(64vw, 760px);
  overflow: hidden;
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pdf-viewer__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.pdf-viewer__actions a,
.pdf-viewer__actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid rgba(122, 194, 232, 0.34);
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.pdf-viewer__mobile-note {
  display: none;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid rgba(122, 194, 232, 0.16);
  color: rgba(235, 248, 255, 0.82);
  background: rgba(6, 21, 34, 0.96);
  font-size: 0.82rem;
  line-height: 1.35;
}

.pdf-viewer iframe {
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 0;
  background: #fff;
}

.pdf-viewer__pages {
  display: none;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  padding: 0.75rem;
  background: #1f2023;
}

.pdf-viewer__pages canvas {
  display: block;
  max-width: 100%;
  margin: 0 auto 0.85rem;
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.34);
}

.pdf-viewer__pages p,
.pdf-viewer__pages.is-loading {
  display: grid;
  min-height: 55vh;
  place-items: center;
  color: rgba(235, 248, 255, 0.82);
  font-size: 0.95rem;
  line-height: 1.45;
  text-align: center;
}

@media (max-width: 640px) {
  .pdf-viewer {
    padding: 0;
  }

  .pdf-viewer__dialog {
    width: 100%;
    height: 100%;
    border-radius: 0;
  }

  .pdf-viewer__bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .pdf-viewer__bar h2 {
    max-width: 100%;
    white-space: normal;
  }

  .pdf-viewer__actions,
  .pdf-viewer__actions a,
  .pdf-viewer__actions button {
    width: 100%;
  }

  .pdf-viewer__mobile-note {
    display: block;
  }

  .pdf-viewer__pages {
    display: none;
  }

  .pdf-viewer.has-rendered-pages iframe {
    display: none;
  }

  .pdf-viewer.has-rendered-pages .pdf-viewer__pages,
  .pdf-viewer.is-mobile-rendering .pdf-viewer__pages {
    display: block;
  }
}