/* PDF reader — Islamic Resources (Dalail, Burda, etc.) */

body.pdf-reader-page {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
  background: linear-gradient(180deg, #eef2ee 0%, #e4e8e3 45%, #dddcd6 100%);
  min-height: 100dvh;
}

body.dark-mode.pdf-reader-page {
  background: linear-gradient(180deg, #0a0f0d 0%, #0d1210 100%);
}

.pdf-reader-shell {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 clamp(12px, 4vw, 24px) calc(28px + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
}

/* ── Hero ── */
.pdf-reader-hero {
  text-align: center;
  padding: clamp(20px, 5vw, 36px) 16px clamp(16px, 3vw, 24px);
  position: relative;
}

.pdf-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary, #2d5a3d);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(45, 90, 61, 0.12);
  transition: background 0.15s, transform 0.15s;
}
.pdf-back:hover {
  background: #fff;
  transform: translateY(-1px);
}
body.dark-mode .pdf-back {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  color: #a8d4b8;
}

.pdf-hero-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(201, 168, 76, 0.25), rgba(45, 90, 61, 0.15));
  border: 1px solid rgba(201, 168, 76, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  box-shadow: 0 8px 24px rgba(26, 58, 42, 0.08);
}

.pdf-reader-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.4rem, 4.5vw, 1.85rem);
  font-weight: 700;
  color: var(--primary-dark, #1a3a2a);
  margin: 0 0 8px;
  line-height: 1.2;
}

.pdf-reader-hero p {
  margin: 0 auto;
  max-width: 420px;
  font-size: clamp(0.82rem, 2.5vw, 0.92rem);
  line-height: 1.5;
  color: var(--text-mid, #5a6560);
}

body.dark-mode .pdf-reader-hero h1 { color: #eef5f0; }
body.dark-mode .pdf-reader-hero p { color: #9aab9f; }

/* Compact hero — back + title on one row (Dalail, Burda, PDF readers) */
.pdf-reader-hero--compact {
  text-align: left;
  padding: clamp(14px, 3vw, 22px) 4px clamp(12px, 2vw, 18px);
}
.pdf-reader-hero--compact .pdf-back {
  margin-bottom: 10px;
}
.pdf-reader-hero--compact h1 {
  font-size: clamp(1.15rem, 3.8vw, 1.45rem);
  margin: 0;
}
.pdf-hero-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
}
.pdf-hero-inline h1 {
  margin: 0 0 4px;
}
.pdf-hero-inline p {
  margin: 0;
  max-width: none;
  font-size: 0.82rem;
}
.pdf-hero-icon--sm {
  width: 44px;
  height: 44px;
  margin: 0;
  flex-shrink: 0;
  font-size: 1.35rem;
  border-radius: 14px;
}
.dalail-book-list {
  margin-top: 4px;
}
.dalail-book-num {
  color: #fff !important;
  font-weight: 800;
}

/* ── Card ── */
.pdf-reader-card {
  background: #fff;
  border-radius: 20px;
  box-shadow:
    0 4px 6px rgba(26, 58, 42, 0.04),
    0 20px 50px rgba(26, 58, 42, 0.1);
  border: 1px solid rgba(26, 58, 42, 0.07);
  overflow: hidden;
  width: 100%;
  display: flex;
  flex-direction: column;
  min-height: min(72dvh, 720px);
}

body.dark-mode .pdf-reader-card {
  background: #141c18;
  border-color: #2a3a32;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}

/* ── Toolbar ── */
.pdf-toolbar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  padding: 6px 10px;
  background: linear-gradient(90deg, #1a3a2a, #2d5a3d);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.pdf-toolbar-label {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
}

.pdf-toolbar--embed .pdf-zoom-controls,
.pdf-toolbar--embed .pdf-page-nav {
  display: flex;
}

.pdf-toolbar-center {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.pdf-page-nav,
.pdf-zoom-controls {
  flex-shrink: 0;
}

.pdf-page-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.2);
  padding: 3px 6px;
  border-radius: 10px;
}

.pdf-page-nav button {
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 5px 8px;
  cursor: pointer;
  touch-action: manipulation;
  white-space: nowrap;
}
.pdf-page-nav button:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.22);
}
.pdf-page-nav button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pdf-page-status {
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  padding: 0 6px;
  white-space: nowrap;
}

.pdf-page-select {
  max-width: 96px;
  padding: 4px 6px;
  border-radius: 6px;
  border: 0;
  background: rgba(255, 255, 255, 0.95);
  color: #1a3a2a;
  font-size: 0.68rem;
  font-weight: 700;
  cursor: pointer;
}

.pdf-page-goto {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
}

.pdf-page-goto input {
  width: 42px;
  padding: 4px 4px;
  border: 0;
  border-radius: 6px;
  text-align: center;
  font-weight: 700;
  font-size: 0.68rem;
  color: #1a3a2a;
}

.pdf-page-goto-of {
  white-space: nowrap;
}

.pdf-page-go-btn {
  border: 0;
  border-radius: 8px;
  background: rgba(201, 168, 76, 0.95);
  color: #1a2e1f;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 5px 8px;
  cursor: pointer;
  touch-action: manipulation;
}

.pdf-page-nav > button:not(.pdf-page-go-btn) {
  min-width: 28px;
  padding: 5px 7px;
}

.pdf-open-tab {
  display: none !important;
}

.pdf-zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.2);
  padding: 3px 6px;
  border-radius: 10px;
}

.pdf-zoom-controls button {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.12s;
  touch-action: manipulation;
}
.pdf-zoom-controls button:hover { background: rgba(255, 255, 255, 0.22); }
.pdf-zoom-controls button:active { transform: scale(0.96); }

.pdf-zoom-value {
  min-width: 42px;
  text-align: center;
  font-size: 0.68rem;
  color: #fff;
  font-weight: 700;
}

.pdf-zoom-wrap {
  flex: 1;
  width: 100%;
  min-height: 0;
  max-height: min(78dvh, 820px);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: clamp(10px, 2vw, 16px);
  background: linear-gradient(180deg, #eef0eb 0%, #e8eae4 100%);
  scroll-behavior: smooth;
}

body.dark-mode .pdf-zoom-wrap {
  background: linear-gradient(180deg, #0f1412 0%, #111814 100%);
}

.pdf-pages-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  padding-bottom: 8px;
}

.pdf-pages-list--scroll {
  padding-bottom: 28px;
}

.pdf-pages-list--paged {
  padding-bottom: 16px;
  min-height: 180px;
}

.pdf-page-slot--single {
  width: 100%;
}

.pdf-page-slot {
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.pdf-page-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-mid, #5a6560);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

body.dark-mode .pdf-page-label {
  color: #9aab9f;
}

.pdf-page-placeholder {
  width: 100%;
  max-width: 720px;
  min-height: 380px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px dashed rgba(45, 90, 61, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mid, #666);
  font-size: 0.85rem;
  font-weight: 600;
}

body.dark-mode .pdf-page-placeholder {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  color: #9aab9f;
}

.pdf-page-loading {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-mid, #666);
}

.pdf-viewport {
  width: 100%;
  max-width: 100%;
}

.pdf-page-canvas {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  border-radius: 6px;
}

/* Landscape — full page like app. Do NOT use object-fit on canvas (mobile black-page bug). */
@media (orientation: landscape) {
  body.pdf-appbar-reader .pdf-zoom-wrap {
    background: #f5f2ea !important;
  }
  body.pdf-appbar-reader .pdf-page-slot,
  body.pdf-appbar-reader .pdf-page-slot--landscape {
    min-height: calc(100dvh - 56px - env(safe-area-inset-top, 0px));
    justify-content: center;
    align-items: center;
    gap: 0;
    background: #f5f2ea;
  }
  body.pdf-appbar-reader .pdf-page-label {
    display: none;
  }
  body.pdf-appbar-reader .pdf-page-canvas,
  body.pdf-appbar-reader .pdf-page-canvas--landscape {
    /* JS sets inline width/height — do not override with auto/object-fit (black pages) */
    max-width: 100%;
    max-height: none !important;
    object-fit: fill;
    background: #fff !important;
    border-radius: 0;
    box-shadow: none;
  }
  body.pdf-appbar-reader .pdf-pages-list {
    gap: 0;
    background: #f5f2ea;
  }
  body.pdf-appbar-reader .pdf-page-placeholder {
    min-height: calc(100dvh - 56px - env(safe-area-inset-top, 0px));
    max-width: none;
    border-radius: 0;
    background: #f5f2ea;
  }
}

body.pdf-appbar-reader.pdf-landscape-reading .pdf-zoom-wrap {
  background: #f5f2ea !important;
}
body.pdf-appbar-reader.pdf-landscape-reading .pdf-page-slot,
body.pdf-appbar-reader.pdf-landscape-reading .pdf-page-slot--landscape {
  min-height: calc(100dvh - 56px - env(safe-area-inset-top, 0px));
  justify-content: center;
  align-items: center;
  gap: 0;
  background: #f5f2ea;
}
body.pdf-appbar-reader.pdf-landscape-reading .pdf-page-label {
  display: none;
}
body.pdf-appbar-reader.pdf-landscape-reading .pdf-page-canvas,
body.pdf-appbar-reader.pdf-landscape-reading .pdf-page-canvas--landscape {
  max-width: 100%;
  max-height: none !important;
  object-fit: fill;
  background: #fff !important;
  border-radius: 0;
  box-shadow: none;
}
body.pdf-appbar-reader.pdf-landscape-reading .pdf-pages-list {
  gap: 0;
  background: #f5f2ea;
}

/* ── Loading ── */
.pdf-loading,
.pdf-loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: min(50dvh, 400px);
  padding: 32px 20px;
  text-align: center;
  color: var(--primary-dark, #1a3a2a);
  font-size: 0.9rem;
}

.pdf-loading-spinner {
  width: 42px;
  height: 42px;
  border: 3px solid rgba(45, 90, 61, 0.15);
  border-top-color: var(--primary, #2d5a3d);
  border-radius: 50%;
  animation: pdfSpin 0.75s linear infinite;
}

@keyframes pdfSpin {
  to { transform: rotate(360deg); }
}

body.dark-mode .pdf-loading,
body.dark-mode .pdf-loading-state { color: #c8e0d4; }
body.dark-mode .pdf-loading-spinner {
  border-color: rgba(255, 255, 255, 0.1);
  border-top-color: #86efac;
}

/* ── Iframe / embed ── */
.pdf-fallback-note {
  font-size: 0.85rem;
  color: var(--text-mid, #666);
  margin: 0 0 12px;
  line-height: 1.45;
  text-align: center;
  padding: 0 12px;
}

.pdf-fallback-frame {
  display: block;
  width: 100%;
  height: min(calc(100dvh - 280px), 820px);
  min-height: 360px;
  border: none;
  border-radius: 12px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.pdf-fallback-actions {
  margin: 14px 0 4px;
  text-align: center;
}

.pdf-fallback-link {
  display: none;
}

body.dark-mode .pdf-fallback-frame {
  background: #1a1f1c;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .pdf-reader-shell {
    padding-left: 10px;
    padding-right: 10px;
  }

  .pdf-reader-card {
    border-radius: 16px;
    min-height: calc(100dvh - 200px);
  }

  .pdf-toolbar {
    padding: 8px 10px;
  }

  .pdf-toolbar-label {
    display: none;
  }

  .pdf-page-nav button {
    padding: 7px 10px;
    font-size: 0.72rem;
  }

  .pdf-page-status {
    font-size: 0.72rem;
  }

  .pdf-open-tab {
    padding: 7px 12px;
    font-size: 0.72rem;
  }

  .pdf-zoom-controls button {
    width: 34px;
    height: 34px;
  }

  .pdf-fallback-frame {
    height: calc(100dvh - 240px);
    min-height: 300px;
    border-radius: 8px;
  }

  .pdf-hero-icon {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
  }
}

@media (max-width: 380px) {
  .pdf-zoom-value { min-width: 44px; font-size: 0.72rem; }
}

@media (min-width: 900px) {
  .pdf-fallback-frame {
    height: min(78dvh, 880px);
  }
}

/* ── Burda chapters (app-style) ── */
.burda-chapter-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.burda-chapter-card {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border: 1px solid rgba(26, 58, 42, 0.08);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(26, 58, 42, 0.06);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  font-family: inherit;
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
}

.burda-chapter-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(26, 58, 42, 0.1);
}

body.dark-mode .burda-chapter-card {
  background: #141c18;
  border-color: #2a3a32;
}

.burda-chapter-num {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(145deg, #2d5a3d, #1a3a2a);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.burda-chapter-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.burda-chapter-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--primary-dark, #1a3a2a);
  line-height: 1.35;
}

body.dark-mode .burda-chapter-title {
  color: #eef5f0;
}

.burda-chapter-page {
  font-size: 0.78rem;
  color: var(--text-mid, #5a6560);
}

.burda-chapter-chevron {
  font-size: 1.4rem;
  color: #9aab9f;
  flex-shrink: 0;
}

.burda-chapters-toolbar-btn {
  margin-top: 12px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(45, 90, 61, 0.2);
  background: #fff;
  color: var(--primary, #2d5a3d);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
}

body.dark-mode .burda-chapters-toolbar-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #a8d4b8;
}

/* ── App-style AppBar (Dalail / Qasida / Shimmering — match Flutter landscape AppBar) ── */
.pdf-appbar {
  display: none;
}

body.pdf-appbar-reader .pdf-appbar {
  display: flex;
  align-items: center;
  gap: 8px;
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: 56px;
  padding: 8px 10px;
  padding-top: calc(8px + env(safe-area-inset-top, 0px));
  background: linear-gradient(90deg, #0d5c30, #1a5c38 55%, #0d5c30);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
  box-sizing: border-box;
}

.pdf-appbar-back {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  text-decoration: none;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  touch-action: manipulation;
}

.pdf-appbar-title {
  flex: 1;
  min-width: 0;
  margin: 0;
  text-align: center;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
  max-height: 2.5em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.pdf-appbar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.pdf-appbar-btn {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
}

.pdf-appbar-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.pdf-appbar-btn.is-active {
  color: #d4af37;
}

.pdf-appbar-page {
  border: 0;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 12px;
  cursor: pointer;
  white-space: nowrap;
  touch-action: manipulation;
  font-family: inherit;
  pointer-events: auto;
  position: relative;
  z-index: 5;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0.25);
  min-width: 52px;
  text-align: center;
}
.pdf-appbar-page:active {
  background: rgba(255, 255, 255, 0.35);
}

/* Match app: reading screens use green AppBar only (no site chrome) */
body.pdf-appbar-reader #site-navbar,
body.pdf-appbar-reader #site-footer {
  display: none !important;
}

/* Reader tab bar under AppBar — not needed (app uses AppBar only) */
body.pdf-appbar-reader .pdf-toolbar,
.pdf-toolbar--hidden {
  display: none !important;
}

.pdf-appbar-page-edit {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pdf-appbar-page-edit[hidden] {
  display: none !important;
}

.pdf-appbar-page-view[hidden] {
  display: none !important;
}

.pdf-appbar-page-edit input {
  width: 48px;
  border: 0;
  border-radius: 8px;
  padding: 4px 6px;
  text-align: center;
  font-weight: 700;
  font-size: 0.78rem;
  color: #1a3a2a;
  background: #fff;
}

.pdf-appbar-page-of {
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
}

body.pdf-appbar-reader .pdf-reader-shell {
  max-width: none;
  padding: 0;
  margin: 0;
}

body.pdf-appbar-reader .pdf-reader-card {
  border-radius: 0;
  min-height: calc(100dvh - 56px - env(safe-area-inset-top, 0px));
  box-shadow: none;
  border: 0;
}

body.pdf-appbar-reader .pdf-zoom-wrap {
  flex: none !important;
  max-height: calc(100dvh - 56px - env(safe-area-inset-top, 0px)) !important;
  height: calc(100dvh - 56px - env(safe-area-inset-top, 0px)) !important;
  padding: 4px;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

/* Landscape reading toggle OR device landscape — same as app AppBar layout */
@media (orientation: landscape) {
  body.pdf-appbar-reader #site-navbar,
  body.pdf-appbar-reader #site-footer {
    display: none !important;
  }

  body.pdf-appbar-reader .pdf-appbar {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    min-height: 48px;
    padding: 4px 8px;
    padding-top: calc(4px + env(safe-area-inset-top, 0px));
  }

  body.pdf-appbar-reader .pdf-appbar-title {
    font-size: 0.88rem;
  }

  body.pdf-appbar-reader .pdf-reader-shell {
    padding: 0;
    margin: 0;
    max-width: none;
    padding-top: calc(48px + env(safe-area-inset-top, 0px));
  }

  body.pdf-appbar-reader .pdf-reader-card {
    min-height: calc(100dvh - 48px - env(safe-area-inset-top, 0px));
    border-radius: 0;
  }

  body.pdf-appbar-reader .pdf-zoom-wrap {
    max-height: none;
    height: calc(100dvh - 48px - env(safe-area-inset-top, 0px));
    padding: 2px;
  }

  body.pdf-appbar-reader .pdf-fallback-frame {
    height: calc(100dvh - 48px - env(safe-area-inset-top, 0px));
    min-height: 200px;
    border-radius: 0;
  }

  body.pdf-appbar-reader .pdf-pages-list {
    gap: 8px;
  }
}

body.pdf-appbar-reader.pdf-landscape-reading #site-navbar,
body.pdf-appbar-reader.pdf-landscape-reading #site-footer {
  display: none !important;
}

body.pdf-appbar-reader.pdf-landscape-reading .pdf-appbar {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  min-height: 48px;
  padding: 4px 8px;
  padding-top: calc(4px + env(safe-area-inset-top, 0px));
}

body.pdf-appbar-reader.pdf-landscape-reading .pdf-reader-shell {
  padding: 0;
  margin: 0;
  max-width: none;
  padding-top: calc(48px + env(safe-area-inset-top, 0px));
}

body.pdf-appbar-reader.pdf-landscape-reading .pdf-reader-card {
  min-height: calc(100dvh - 48px - env(safe-area-inset-top, 0px));
  border-radius: 0;
}

body.pdf-appbar-reader.pdf-landscape-reading .pdf-zoom-wrap {
  max-height: none;
  height: calc(100dvh - 48px - env(safe-area-inset-top, 0px));
  padding: 2px;
}

body.pdf-appbar-reader.pdf-landscape-reading .pdf-fallback-frame {
  height: calc(100dvh - 48px - env(safe-area-inset-top, 0px));
  min-height: 200px;
  border-radius: 0;
}

/* Fullscreen — hide AppBar like app */
body.pdf-appbar-reader.pdf-reader-fullscreen #site-navbar,
body.pdf-appbar-reader.pdf-reader-fullscreen #site-footer,
body.pdf-appbar-reader.pdf-reader-fullscreen .pdf-appbar,
body.pdf-appbar-reader.pdf-reader-fullscreen .pdf-toolbar {
  display: none !important;
}

body.pdf-appbar-reader.pdf-reader-fullscreen {
  overflow: hidden;
  background: #111;
}

body.pdf-appbar-reader.pdf-reader-fullscreen .pdf-reader-shell {
  padding: 0;
  margin: 0;
  max-width: none;
}

body.pdf-appbar-reader.pdf-reader-fullscreen .pdf-reader-card {
  min-height: 100dvh;
  border-radius: 0;
  background: #111;
}

body.pdf-appbar-reader.pdf-reader-fullscreen .pdf-zoom-wrap {
  height: 100dvh;
  max-height: none;
  padding: 0;
  background: #111;
}

body.pdf-appbar-reader.pdf-reader-fullscreen .pdf-fallback-frame {
  height: 100dvh;
  border-radius: 0;
}

.pdf-fs-exit {
  display: none;
  position: fixed;
  top: calc(12px + env(safe-area-inset-top, 0px));
  left: 12px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 22px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
}

body.pdf-appbar-reader.pdf-reader-fullscreen .pdf-fs-exit {
  display: inline-flex;
}