:root {
  --twd-sb-gold: #ffd166;
  --twd-sb-gold-soft: rgba(255, 209, 102, 0.55);
  --twd-sb-gold-faint: rgba(255, 209, 102, 0.24);
  --twd-sb-cream: rgba(255, 248, 236, 0.92);
  --twd-sb-cream-muted: rgba(255, 248, 236, 0.62);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

.twd-sb-page {
  overflow: hidden;
}

/* Standalone full page only -- the overlay reuses the page it opened over,
   so it never gets this full-viewport gradient of its own. */
.twd-sb-body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(ellipse at 50% 10%, rgba(255, 209, 102, 0.05) 0%, rgba(255, 209, 102, 0) 46%),
    linear-gradient(180deg, #171432 0%, #0f0d1f 52%, #0a0912 100%);
}

/* Everything below carries !important. The standalone page never needed
   it (its own bare document, nothing else's CSS loaded), but the overlay
   mode (v1.17.0+) appends this markup straight into the live theme page's
   DOM, so it inherits that page's cascade -- an Elementor site's own
   global button/link styles (border colour, background, font) were
   winning over plain unguarded rules here, leaving Close/prev/next/Share
   looking like bare unstyled Elementor buttons instead of this book's own
   design. Matches the defensive pattern already used throughout
   publisher.css and articles-grid.css for the same reason. */

.twd-sb-backdrop {
  position: fixed !important;
  inset: 0 !important;
  z-index: 999999 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 26px 18px !important;
  background: rgba(10, 9, 18, 0.72) !important;
  -webkit-backdrop-filter: blur(14px) !important;
  backdrop-filter: blur(14px) !important;
  animation: twd-sb-backdrop-in 0.35s ease both !important;
}

@keyframes twd-sb-backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.twd-sb-frame {
  position: relative !important;
  width: 100% !important;
  max-width: 520px !important;
  height: min(88vh, 780px) !important;
  display: flex !important;
  flex-direction: column !important;
  padding: 22px 18px 20px !important;
  border: 1px solid var(--twd-sb-gold-faint) !important;
  border-radius: 22px !important;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 209, 102, 0.06) 0%, rgba(255, 209, 102, 0) 42%),
    linear-gradient(180deg, #1b1836 0%, #100e20 60%, #0a0912 100%) !important;
  box-shadow:
    0 0 0 1px rgba(255, 209, 102, 0.14),
    0 30px 80px rgba(0, 0, 0, 0.6),
    inset 0 0 40px rgba(255, 209, 102, 0.03) !important;
  animation: twd-sb-frame-in 0.4s cubic-bezier(0.22, 0.61, 0.36, 1) both !important;
}

@keyframes twd-sb-frame-in {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.twd-sb-close {
  position: absolute !important;
  top: 12px !important;
  right: 12px !important;
  z-index: 2 !important;
  width: 32px !important;
  height: 32px !important;
  margin: 0 !important;
  border-radius: 50% !important;
  border: 1px solid var(--twd-sb-gold-faint) !important;
  background: rgba(10, 9, 18, 0.55) !important;
  color: var(--twd-sb-gold-soft) !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  font-size: 18px !important;
  font-weight: 400 !important;
  line-height: 1 !important;
  text-decoration: none !important;
  box-shadow: none !important;
  cursor: pointer !important;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease !important;
}
.twd-sb-close:hover {
  color: var(--twd-sb-gold) !important;
  background: rgba(255, 209, 102, 0.14) !important;
  border-color: var(--twd-sb-gold-soft) !important;
}

.twd-sb-header {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  margin: 0 0 14px !important;
  padding: 0 26px 0 0 !important;
}

.twd-sb-title {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  letter-spacing: 0.22em !important;
  text-transform: uppercase !important;
  color: var(--twd-sb-gold-soft) !important;
  margin-bottom: 10px !important;
}

.twd-sb-mast {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
}
.twd-sb-mast-logo {
  max-height: 44px !important;
  width: auto !important;
  padding: 5px 12px !important;
  background: rgba(255, 248, 236, 0.92) !important;
  border-radius: 8px !important;
}
.twd-sb-mast-text {
  font-family: "Cormorant Garamond", Garamond, Georgia, serif !important;
  font-size: 21px !important;
  font-weight: 500 !important;
  letter-spacing: 0.03em !important;
  color: var(--twd-sb-gold-soft) !important;
  text-shadow: 0 0 16px rgba(255, 209, 102, 0.18) !important;
}
.twd-sb-mast::after {
  content: "" !important;
  display: block !important;
  width: 42px !important;
  height: 1px !important;
  margin-top: 8px !important;
  background: linear-gradient(90deg, rgba(255, 209, 102, 0) 0%, var(--twd-sb-gold-soft) 50%, rgba(255, 209, 102, 0) 100%) !important;
}

/* Compact, sitting directly under the page-number counter now rather than
   across the top of the frame -- smaller and thinner than before since the
   page numbers already carry the primary "where am I" signal. */
.twd-sb-progress {
  display: flex !important;
  gap: 4px !important;
  margin: 6px auto 0 !important;
  padding: 0 !important;
  max-width: 220px !important;
}
.twd-sb-seg {
  flex: 1 1 0 !important;
  height: 2px !important;
  margin: 0 !important;
  border-radius: 999px !important;
  background: var(--twd-sb-gold-faint) !important;
  overflow: hidden !important;
  position: relative !important;
}
.twd-sb-seg::after {
  content: "" !important;
  position: absolute !important;
  inset: 0 !important;
  background: var(--twd-sb-gold) !important;
  transform: scaleX(0) !important;
  transform-origin: left !important;
  transition: transform 0.3s ease !important;
}
.twd-sb-seg.is-done::after,
.twd-sb-seg.is-current::after {
  transform: scaleX(1) !important;
}

.twd-sb-slides {
  position: relative !important;
  flex: 1 1 auto !important;
  min-height: 0 !important;
  overflow: hidden !important;
  cursor: grab !important;
  touch-action: pan-y !important;
}
.twd-sb-backdrop.is-dragging .twd-sb-slides {
  cursor: grabbing !important;
  user-select: none !important;
}

/* Each slide parks fully off to whichever side it isn't showing on yet
   (is-future) or has already passed (is-past), and becomes is-active at
   translateX(0). Moving between them is a plain transform transition, no
   opacity or scale riding along, so a swipe actually reads as the current
   page sliding off and the next one sliding on, not a cross-fade --
   the same feel as Therapy Resource Directory's own book reader
   (trd-resource-reader), matched to its transition duration and easing. */
.twd-sb-slide {
  position: absolute !important;
  inset: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transform: translateX(0);
  pointer-events: none !important;
  will-change: transform !important;
  transition: transform 0.52s cubic-bezier(0.32, 0.72, 0, 1) !important;
}
.twd-sb-slide.is-active {
  pointer-events: auto !important;
  z-index: 2 !important;
}
.twd-sb-slide.is-past {
  transform: translateX(-100%);
}
.twd-sb-slide.is-future {
  transform: translateX(100%);
}

/* Download as PDF steps every slide to is-active in turn to snapshot it,
   off the reader's own input -- without this, each step would visibly
   animate through the normal 0.52s slide transition. */
.twd-sb-backdrop.twd-sb-exporting .twd-sb-slide {
  transition: none !important;
}

.twd-sb-card {
  position: relative !important;
  width: 100% !important;
  max-width: 480px !important;
  height: 100% !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  overflow-y: auto !important;
  overscroll-behavior: contain !important;
  padding: clamp(24px, 6vh, 40px) clamp(24px, 6vw, 34px) !important;
  border: 1px solid var(--twd-sb-gold-faint) !important;
  border-radius: 18px !important;
  text-align: center !important;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 209, 102, 0.05) 0%, rgba(255, 209, 102, 0) 40%),
    rgba(19, 17, 36, 0.55) !important;
  /* The 7px/13px offset shadows either side read as thinner, dimmer pages
     sitting behind the front one, the way a real bound book's block shows
     past its cover -- the same idea as TRD's own reader card. */
  box-shadow:
    0 0 0 1px rgba(255, 209, 102, 0.18),
    7px 0 0 -3px rgba(255, 209, 102, 0.08),
    -7px 0 0 -3px rgba(255, 209, 102, 0.08),
    13px 0 0 -6px rgba(255, 209, 102, 0.05),
    -13px 0 0 -6px rgba(255, 209, 102, 0.05),
    0 22px 60px rgba(0, 0, 0, 0.55),
    inset 0 0 30px rgba(255, 209, 102, 0.03) !important;
}

.twd-sb-heading {
  margin: 0 0 16px !important;
  padding: 0 !important;
  font-family: "Cormorant Garamond", Garamond, Georgia, serif !important;
  font-weight: 600 !important;
  font-size: clamp(22px, 5.2vw, 30px) !important;
  line-height: 1.25 !important;
  color: var(--twd-sb-gold) !important;
  text-shadow: 0 0 22px rgba(255, 209, 102, 0.2) !important;
}

.twd-sb-body-text {
  font-family: Georgia, "Cormorant Garamond", Garamond, serif !important;
  font-size: clamp(16px, 3.6vw, 19px) !important;
  line-height: 1.7 !important;
  color: var(--twd-sb-cream) !important;
}
.twd-sb-body-text p {
  margin: 0 0 14px !important;
  color: var(--twd-sb-cream) !important;
}
.twd-sb-body-text p:last-child {
  margin-bottom: 0 !important;
}
.twd-sb-body-text h3 {
  font-family: "Cormorant Garamond", Garamond, Georgia, serif !important;
  font-size: 20px !important;
  font-weight: 600 !important;
  margin: 18px 0 8px !important;
  color: var(--twd-sb-gold-soft) !important;
}
.twd-sb-body-text ul,
.twd-sb-body-text ol {
  margin: 0 auto 14px !important;
  padding-left: 22px !important;
  max-width: 380px !important;
  text-align: left !important;
  color: var(--twd-sb-cream) !important;
}
.twd-sb-body-text li {
  margin-bottom: 6px !important;
}
.twd-sb-body-text blockquote {
  margin: 14px 0 !important;
  padding: 10px 0 !important;
  border-top: 1px solid var(--twd-sb-gold-faint) !important;
  border-bottom: 1px solid var(--twd-sb-gold-faint) !important;
  border-left: none !important;
  font-style: italic !important;
  color: var(--twd-sb-cream-muted) !important;
}
.twd-sb-body-text img {
  max-width: 100% !important;
  height: auto !important;
  border-radius: 10px !important;
  display: block !important;
  margin: 14px 0 !important;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.5) !important;
}
.twd-sb-body-text a {
  color: var(--twd-sb-gold) !important;
  text-decoration-color: var(--twd-sb-gold-faint) !important;
}

/* Bio slide -- closing "about the author" card shown when an article has
   Include bio page at end ticked and a profile is set up under Customise
   this grid. Same card shell as a text slide, centred content instead. */
.twd-sb-bio {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  text-align: center !important;
}
.twd-sb-bio-photo {
  width: 92px !important;
  height: 92px !important;
  border-radius: 50% !important;
  object-fit: cover !important;
  margin-bottom: 16px !important;
  border: 1px solid var(--twd-sb-gold-faint) !important;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45) !important;
}
.twd-sb-bio .twd-sb-heading {
  margin-bottom: 10px !important;
}
.twd-sb-bio-text {
  font-family: Georgia, "Cormorant Garamond", Garamond, serif !important;
  font-size: 17px !important;
  line-height: 1.65 !important;
  color: var(--twd-sb-cream) !important;
  margin: 0 0 18px !important;
}
.twd-sb-bio-link {
  display: inline-block !important;
  border: 1px solid var(--twd-sb-gold-faint) !important;
  background: rgba(255, 209, 102, 0.08) !important;
  color: var(--twd-sb-gold) !important;
  padding: 9px 22px !important;
  border-radius: 999px !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.03em !important;
  text-decoration: none !important;
  box-shadow: none !important;
  transition: background 0.2s ease, border-color 0.2s ease !important;
}
.twd-sb-bio-link:hover {
  background: rgba(255, 209, 102, 0.18) !important;
  border-color: var(--twd-sb-gold-soft) !important;
  color: var(--twd-sb-gold) !important;
}

.twd-sb-controls {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  margin-top: 16px !important;
  padding: 5px 6px !important;
}
.twd-sb-btn {
  width: 36px !important;
  height: 36px !important;
  margin: 0 !important;
  border-radius: 50% !important;
  border: 1px solid transparent !important;
  background: transparent !important;
  color: var(--twd-sb-gold-soft) !important;
  font-family: "DM Mono", "Courier New", monospace !important;
  font-size: 18px !important;
  font-weight: 400 !important;
  line-height: 1 !important;
  text-decoration: none !important;
  box-shadow: none !important;
  cursor: pointer !important;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease !important;
}
.twd-sb-btn:hover {
  color: var(--twd-sb-gold) !important;
  background: rgba(255, 209, 102, 0.14) !important;
  border-color: var(--twd-sb-gold-faint) !important;
}
.twd-sb-btn:disabled {
  opacity: 0.35 !important;
  cursor: not-allowed !important;
  background: none !important;
  border-color: transparent !important;
}
.twd-sb-counter {
  min-width: 60px !important;
  font-family: "DM Mono", "Courier New", monospace !important;
  font-size: 11px !important;
  letter-spacing: 0.16em !important;
  text-align: center !important;
  color: var(--twd-sb-gold-soft) !important;
}

.twd-sb-footer {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 10px 14px !important;
  margin-top: 12px !important;
}
.twd-sb-share-btn,
.twd-sb-save-btn {
  margin: 0 !important;
  border: 1px solid var(--twd-sb-gold-faint) !important;
  background: rgba(255, 209, 102, 0.08) !important;
  color: var(--twd-sb-gold) !important;
  padding: 8px 20px !important;
  border-radius: 999px !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  letter-spacing: 0.03em !important;
  text-decoration: none !important;
  box-shadow: none !important;
  cursor: pointer !important;
  transition: background 0.2s ease, border-color 0.2s ease !important;
}
.twd-sb-share-btn:hover,
.twd-sb-save-btn:hover {
  background: rgba(255, 209, 102, 0.18) !important;
  border-color: var(--twd-sb-gold-soft) !important;
  color: var(--twd-sb-gold) !important;
}
.twd-sb-save-btn:disabled,
.twd-sb-pdf-btn:disabled {
  opacity: 0.6 !important;
  cursor: default !important;
}

/* Filled gold, distinct from the outlined Share/Save pills -- the one
   action meant to stand out most in the footer. */
.twd-sb-pdf-btn {
  margin: 0 !important;
  border: 1px solid var(--twd-sb-gold) !important;
  background: var(--twd-sb-gold) !important;
  color: #171432 !important;
  padding: 8px 20px !important;
  border-radius: 999px !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: 0.03em !important;
  text-decoration: none !important;
  box-shadow: 0 4px 16px rgba(255, 209, 102, 0.25) !important;
  cursor: pointer !important;
  transition: background 0.2s ease, box-shadow 0.2s ease !important;
}
.twd-sb-pdf-btn:hover {
  background: #ffdb85 !important;
  box-shadow: 0 6px 20px rgba(255, 209, 102, 0.35) !important;
}
.twd-sb-read-link {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  color: rgba(255, 255, 255, 0.55) !important;
  font-size: 12px !important;
  font-weight: 400 !important;
  text-decoration: underline !important;
  text-decoration-color: rgba(255, 255, 255, 0.25) !important;
}
.twd-sb-read-link:hover {
  color: rgba(255, 255, 255, 0.85) !important;
}

@media (max-width: 600px) {
  .twd-sb-backdrop {
    padding: 0 !important;
  }
  .twd-sb-frame {
    max-width: none !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 0 !important;
    padding: 18px 14px 16px !important;
  }
  .twd-sb-card {
    padding: 24px 22px !important;
  }
  .twd-sb-heading {
    font-size: 23px !important;
  }
  .twd-sb-body-text {
    font-size: 17px !important;
  }
}