/* ==========================================================================
   UNA Magazine — Reader / Flipbook Styles
   ========================================================================== */

.una-reader {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  background: #0c1114;
  color: #e6ebee;
  overflow: hidden;
}
/* Top toolbar */
.una-reader__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--una-sp-4);
  padding: var(--una-sp-3) var(--una-sp-5);
  padding-top: calc(var(--una-sp-3) + env(safe-area-inset-top, 0px));
  background: rgba(12, 17, 20, 0.92);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: var(--una-z-overlay-ui);
}
.una-reader__bar-start { display: flex; align-items: center; gap: var(--una-sp-3); min-width: 0; }
.una-reader__title { font-weight: 700; font-size: var(--una-fs-lg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.una-reader__pages {
  color: #9fb0ba; font-size: var(--una-fs-sm); font-family: inherit;
  background: transparent; border: 1px solid transparent; border-radius: 8px;
  padding: 4px 10px; cursor: pointer; white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.una-reader__pages:hover { border-color: rgba(255,255,255,0.15); color: #fff; }
/* The tool cluster keeps its width; the title is what truncates when room is short */
.una-reader__tools { display: flex; align-items: center; gap: var(--una-sp-2); flex: 0 0 auto; flex-wrap: nowrap; justify-content: flex-end; }
.una-reader__nav { flex: 0 0 auto; }
.una-reader__tool { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.12); background: transparent; color: #e6ebee; cursor: pointer; display: grid; place-items: center; font-family: inherit; text-decoration: none; }
.una-reader__tool:hover { background: rgba(255,255,255,0.08); color: #fff; }
.una-reader__tool:focus-visible, .una-reader__pages:focus-visible, .una-thumb:focus-visible { outline: 2px solid var(--una-accent); outline-offset: 2px; }
.una-reader__tool--zoom-label { min-width: 52px; font-size: .75rem; font-variant-numeric: tabular-nums; }
.una-reader__tool--mode { font-size: .8rem; letter-spacing: -1px; }
.una-reader__tool[aria-pressed="true"] { background: rgba(255,255,255,0.14); }

/* Reading progress (thin bar under the toolbar) */
.una-reader__progress { position: relative; height: 4px; background: rgba(255,255,255,0.06); flex: 0 0 auto; cursor: pointer; transition: height .15s ease; }
.una-reader__progress:hover, .una-reader__progress.is-scrubbing, .una-reader__progress:focus-visible { height: 8px; outline: none; }
.una-reader__progress-fill { display: block; height: 100%; width: 0; background: var(--una-accent); transition: width .3s ease; }
.una-reader__progress.is-scrubbing .una-reader__progress-fill { transition: none; }
.una-reader__progress-tip {
  position: absolute; top: 12px; transform: translateX(-50%);
  padding: 3px 8px; border-radius: 6px; background: #1f2a30; color: #fff;
  font-size: .72rem; font-weight: 700; white-space: nowrap; pointer-events: none;
  font-variant-numeric: tabular-nums; z-index: var(--una-z-overlay-ui);
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}

/* Resume prompt */
.una-reader__resume {
  position: absolute; bottom: 112px; inset-inline-start: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  background: rgba(20, 28, 33, 0.96); color: #e6ebee; border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px; padding: 8px 10px 8px 16px; box-shadow: var(--una-shadow-lg);
  font-size: var(--una-fs-sm); z-index: var(--una-z-overlay-ui); white-space: nowrap;
}
[dir="rtl"] .una-reader__resume { transform: translateX(50%); }
.una-reader__resume-btn { background: var(--una-accent); color: #1d2327; border: none; border-radius: 999px; padding: 6px 14px; font-weight: 700; cursor: pointer; font-family: inherit; }
.una-reader__resume-close { background: transparent; border: none; color: #9fb0ba; cursor: pointer; width: 28px; height: 28px; border-radius: 50%; }
.una-reader__resume-close:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* Share popover */
.una-reader__share {
  position: absolute; top: 64px; inset-inline-start: 50%; transform: translateX(-50%);
  width: min(380px, calc(100vw - 24px));
  background: rgba(16, 22, 26, 0.98); color: #e6ebee; border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px; box-shadow: var(--una-shadow-lg); z-index: var(--una-z-drawer);
  padding: var(--una-sp-3);
}
[dir="rtl"] .una-reader__share { transform: translateX(50%); }
.una-reader__share-head { display: flex; align-items: center; justify-content: space-between; font-weight: 700; margin-bottom: var(--una-sp-3); }
.una-reader__share-close { background: transparent; border: none; color: #9fb0ba; cursor: pointer; width: 28px; height: 28px; border-radius: 50%; }
.una-reader__share-close:hover { background: rgba(255,255,255,0.1); color: #fff; }
.una-reader__share-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.una-reader__share-btn {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 4px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04); color: #e6ebee; text-decoration: none; font-size: .72rem; cursor: pointer; font-family: inherit;
  transition: background .15s, transform .15s;
}
.una-reader__share-btn:hover { background: rgba(255,255,255,0.1); transform: translateY(-1px); color: #fff; }
.una-reader__share-btn:focus-visible { outline: 2px solid var(--una-accent); outline-offset: 1px; }
.una-reader__share-btn svg { width: 24px; height: 24px; }
.una-reader__share-btn[data-share="whatsapp"] svg { color: #25d366; }
.una-reader__share-btn[data-share="telegram"] svg { color: #2aabee; }
.una-reader__share-btn[data-share="facebook"] svg { color: #1877f2; }
.una-reader__share-btn[data-share="linkedin"] svg { color: #0a66c2; }
.una-reader__share-url { margin-top: var(--una-sp-3); }
.una-reader__share-url input { width: 100%; box-sizing: border-box; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); color: #cfd8dd; border-radius: 8px; padding: 8px 10px; font-size: .75rem; direction: ltr; text-align: left; font-family: inherit; }
@media (max-width: 720px) { .una-reader__share { top: 56px; } .una-reader__share-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; } }

/* Contents panel */
.una-reader__toc {
  position: absolute; top: 0; bottom: 0; inset-inline-start: 0; width: min(340px, 90vw);
  background: rgba(14, 20, 24, 0.97); border-inline-end: 1px solid rgba(255,255,255,0.08);
  z-index: var(--una-z-drawer); display: flex; flex-direction: column;
  box-shadow: var(--una-shadow-lg);
}
.una-reader__toc-head { display: flex; align-items: center; justify-content: space-between; padding: var(--una-sp-3) var(--una-sp-4); font-weight: 700; border-bottom: 1px solid rgba(255,255,255,0.08); }
.una-reader__toc-list { list-style: none; margin: 0; padding: var(--una-sp-2); overflow-y: auto; flex: 1; }
.una-reader__toc-item {
  display: flex; align-items: baseline; gap: 10px; width: 100%; text-align: start;
  background: transparent; border: none; color: #e6ebee; font-family: inherit; font-size: var(--una-fs-sm);
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
}
.una-reader__toc-item:hover { background: rgba(255,255,255,0.07); }
.una-reader__toc-item.is-active { background: color-mix(in srgb, var(--una-accent) 22%, transparent); }
.una-reader__toc-num { color: #9fb0ba; min-width: 2ch; font-variant-numeric: tabular-nums; }
.una-reader__toc-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Fullscreen: chrome auto-hides while idle, reappears on any movement */
.una-reader.is-fullscreen .una-reader__bar,
.una-reader.is-fullscreen .una-reader__strip,
.una-reader.is-fullscreen .una-reader__progress { transition: transform .25s ease, opacity .25s ease; }
.una-reader.is-fullscreen:not(.is-chrome-visible) .una-reader__bar { transform: translateY(-100%); opacity: 0; }
.una-reader.is-fullscreen:not(.is-chrome-visible) .una-reader__strip { transform: translateY(100%); opacity: 0; }
.una-reader.is-fullscreen:not(.is-chrome-visible) .una-reader__progress { opacity: 0; }
.una-reader.is-fullscreen .una-reader__bar,
.una-reader.is-fullscreen .una-reader__strip { position: absolute; left: 0; right: 0; z-index: var(--una-z-overlay-ui); }
.una-reader.is-fullscreen .una-reader__bar { top: 0; }
.una-reader.is-fullscreen .una-reader__strip { bottom: 0; }
.una-reader.is-fullscreen:not(.is-chrome-visible) { cursor: none; }

/* Zoom / pan states */
.una-reader.is-zoomed .una-reader__stage { cursor: grab; }
.una-reader.is-zoomed .una-reader__stage, .una-reader.is-zoomed #una-flipbook, .una-reader.is-zoomed .stf__parent { touch-action: none !important; }
.una-reader.is-panning .una-reader__stage { cursor: grabbing; transition: none; }

/* Linear fallback (no flip engine / init failure): a scrollable page column */
.una-reader.is-linear .una-reader__stage { display: block; overflow: auto; }
#una-flipbook.is-linear { display: flex; flex-direction: column; align-items: center; gap: 24px; width: auto; height: auto; box-shadow: none; }
#una-flipbook.is-linear .una-page { flex: 0 0 auto; box-shadow: var(--una-shadow-lg); }

/* GTranslate widget inside reader toolbar — keep it compact and dark-themed */
.una-reader__gtranslate { display: flex; align-items: center; }
.una-reader__gtranslate select,
.una-reader__gtranslate .gt-lang-code { background: rgba(255,255,255,0.07); color: #e6ebee; border: 1px solid rgba(255,255,255,0.15); border-radius: 8px; font-size: .75rem; padding: 2px 6px; cursor: pointer; }
.una-reader__gtranslate select:focus { outline: none; border-color: rgba(255,255,255,0.3); }

/* Stage */
.una-reader__stage {
  flex: 1; position: relative;
  display: grid; place-items: center;
  padding: var(--una-sp-5);
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  /* Zoom transform applied via JS applyZoom() */
  transform-origin: 50% 50%;
  transition: transform 0.18s ease;
}
#una-flipbook {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  box-shadow: var(--una-shadow-lg);
}
/* The flip engine sets geometry inline and measures it synchronously. A global
   reduced-motion rule (transition-duration on *) would otherwise turn every
   width/transform write into a (tiny) transition and the engine would read the
   stale value — so geometry elements never transition. */
#una-flipbook .stf__wrapper, #una-flipbook .stf__block, #una-flipbook .stf__item,
.una-page, .una-page__scale { transition: none !important; }
#una-flipbook { transition: transform .6s cubic-bezier(.22, .8, .3, 1) !important; }
#una-flipbook.no-anim { transition: none !important; }

/* ---- Cover view: a closed book, centred ---------------------------------- */
.una-reader__stage::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 55% 60% at 50% 48%, rgba(255,255,255,0.07), transparent 70%);
  opacity: 0; transition: opacity .6s ease;
}
.una-reader.is-cover-view .una-reader__stage::before { opacity: 1; }
.una-reader.is-cover-view #una-flipbook { box-shadow: none; }
/* Stacked page edges behind the cover (side opposite the spine) */
.una-reader__stack {
  position: absolute; top: 0; z-index: 0; pointer-events: none; border-radius: 2px;
  opacity: 0; transition: opacity .35s ease;
}
.una-reader.is-cover-view .una-reader__stack { opacity: 1; }
.una-reader__stack--right {
  box-shadow: 2px 2px 0 0 #f1f1f1, 4px 4px 0 0 #e2e2e2, 6px 6px 0 0 #d3d3d3, 8px 8px 0 0 #c4c4c4,
              10px 10px 0 0 #b5b5b5, 22px 26px 40px rgba(0,0,0,0.65);
}
.una-reader__stack--left {
  box-shadow: -2px 2px 0 0 #f1f1f1, -4px 4px 0 0 #e2e2e2, -6px 6px 0 0 #d3d3d3, -8px 8px 0 0 #c4c4c4,
              -10px 10px 0 0 #b5b5b5, -22px 26px 40px rgba(0,0,0,0.65);
}
/* Spine shading on the visible cover */
.una-reader.is-cover-view .una-page.stf__item::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 26px; pointer-events: none; z-index: 6;
}
.una-reader.is-cover-view.is-side-right .una-page.stf__item::after { left: 0;  background: linear-gradient(to right, rgba(0,0,0,0.28), rgba(0,0,0,0.06) 45%, transparent); }
.una-reader.is-cover-view.is-side-left  .una-page.stf__item::after { right: 0; background: linear-gradient(to left,  rgba(0,0,0,0.28), rgba(0,0,0,0.06) 45%, transparent); }
.una-reader.is-cover-view #una-flipbook .stf__item { cursor: pointer; }

/* ---- Open spread: gutter shadow along the spine ---------------------------
   The flip engine marks each page with --left / --right for its physical side,
   so the inner edge of a left page is its right edge and vice versa. The shade
   is a curved-paper falloff: darkest at the fold, gone within ~9% of the page.
   Not drawn in cover view (that has its own spine shading) or single-page mode. */
.una-reader.is-spread:not(.is-cover-view) .una-page.stf__item::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 9%; min-width: 22px; max-width: 64px;
  pointer-events: none; z-index: 6;
}
.una-reader.is-spread:not(.is-cover-view) .una-page.stf__item.--left::before {
  right: 0;
  background: linear-gradient(to left, rgba(0,0,0,0.34) 0%, rgba(0,0,0,0.16) 22%, rgba(0,0,0,0.05) 60%, transparent 100%);
}
.una-reader.is-spread:not(.is-cover-view) .una-page.stf__item.--right::before {
  left: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.34) 0%, rgba(0,0,0,0.16) 22%, rgba(0,0,0,0.05) 60%, transparent 100%);
}
/* a faint highlight just outside the fold gives the paper its curl */
.una-reader.is-spread:not(.is-cover-view) .una-page.stf__item.--left::after,
.una-reader.is-spread:not(.is-cover-view) .una-page.stf__item.--right::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 3px; pointer-events: none; z-index: 6;
  background: rgba(255,255,255,0.28);
}
.una-reader.is-spread:not(.is-cover-view) .una-page.stf__item.--left::after  { right: 0; }
.una-reader.is-spread:not(.is-cover-view) .una-page.stf__item.--right::after { left: 0; }
/* the folding page must not carry the static gutter while it is mid-turn: the
   engine draws it with an inline clip-path (soft) or rotateY (hard) */
.una-reader.is-spread #una-flipbook .stf__item[style*="clip-path: polygon"]::before,
.una-reader.is-spread #una-flipbook .stf__item[style*="clip-path: polygon"]::after,
.una-reader.is-spread #una-flipbook .stf__item[style*="rotateY"]::before,
.una-reader.is-spread #una-flipbook .stf__item[style*="rotateY"]::after { opacity: 0; }
/* Open hint under the closed front cover (until the first page turn) */
.una-reader__open-hint {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 8px;
  color: #cfd8dd; font-size: var(--una-fs-sm); letter-spacing: .01em; white-space: nowrap; max-width: calc(100% - 16px);
  background: rgba(12,17,20,0.72); padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  opacity: 0; visibility: hidden; transition: opacity .4s ease, visibility .4s; pointer-events: none;
}
.una-reader.is-front-cover:not(.is-opened) .una-reader__open-hint { opacity: 1; visibility: visible; }
.una-reader__open-hint-arrow { display: inline-block; font-size: 1.2rem; line-height: 1; animation: una-hint-nudge 1.4s ease-in-out infinite; }
[dir="ltr"] .una-reader__open-hint-arrow { transform: scaleX(-1); }
@keyframes una-hint-nudge { 0%, 100% { translate: 0 0; } 50% { translate: -5px 0; } }
[dir="ltr"] .una-reader__open-hint-arrow { animation-name: una-hint-nudge-ltr; }
@keyframes una-hint-nudge-ltr { 0%, 100% { translate: 0 0; } 50% { translate: 5px 0; } }
/* Book entrance on load */
@keyframes una-book-in { from { opacity: 0; scale: .965; } to { opacity: 1; scale: 1; } }
#una-flipbook.is-flipbook-ready { animation: una-book-in .55s ease-out both; }
@media (prefers-reduced-motion: reduce) { #una-flipbook.is-flipbook-ready { animation: none; } }

/* Fixed-geometry page (source of truth for PDF too) */
.una-page {
  position: relative;
  width: 420px; height: 594px;     /* A4 aspect ratio (210:297), scaled to 420px */
  box-sizing: border-box;
  overflow: hidden;
  user-select: text;               /* selection stays possible for annotations */
  -webkit-user-select: text;
  /* White fallback — per-page inline styles override the background; the active
     layout container (.lay) owns the padding so full-bleed layouts can ignore it.
     A scaled .una-page__scale wrapper (added in reader.js) renders the layout at
     true printable geometry so text/image ratios match the PDF + builder. */
  background: #ffffff;
  color: #2a3640;
}
.una-page__num { display: none; } /* hidden in the reader: it sat under the engagement bar */
.una-page--blank { background: #ffffff; }
.una-page--blank::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    45deg,
    rgba(0,0,0,0.03),
    rgba(0,0,0,0.03) 10px,
    rgba(0,0,0,0.06) 10px,
    rgba(0,0,0,0.06) 20px
  );
}

/* Safety net: if auto-fit (reader.js unaFitToBox) bottoms out at minScale,
   let the fitted content spill rather than vanish. The .una-page__scale
   wrapper still clips at the true A4 edge. */
.una-page__scale .lay { overflow: visible; }

/* Per-page dividers (editor-controlled) */
.una-page__divider { margin: 6px 0 14px; }
.una-page__divider--line { height: 3px; width: 60px; border-radius: 3px; }
.una-page__divider--dots { letter-spacing: 6px; font-size: 1rem; }
.una-page__divider--ornament { font-size: 1.5rem; line-height: 1; }

/* Per-page engagement overlay — removed; replaced by .una-engage-bar */
.una-page__overlay { display: none; }

/* ---- Per-page engagement bar (inside each .una-page) -------------------- */
/* A small floating pill on the OUTER edge of the page, lifted above the page
   footer so the running footer (page number, copyright) stays readable. It
   shows fully for a moment after a page turn, then settles to a quiet ghost
   until the page is hovered, focused or tapped.                              */
.una-page-bar {
  position: absolute;
  bottom: 7.5%;
  inset-inline-end: 6px;
  left: auto; right: auto;
  height: 32px;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 4px;
  background: rgba(10, 15, 20, 0.82);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  z-index: 10;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
}
/* Outer edge of an open spread: the left page's outer edge is its left side */
.una-page.stf__item.--left  .una-page-bar { left: 6px;  right: auto; inset-inline-end: auto; }
.una-page.stf__item.--right .una-page-bar { right: 6px; left: auto;  inset-inline-end: auto; }
/* Visible on the pages currently shown: fresh after a turn, then a quiet ghost */
.una-page-bar.is-visible {
  opacity: 0.38;
  transform: none;
  pointer-events: auto;
}
.una-page-bar.is-visible.is-fresh,
.una-page:hover .una-page-bar.is-visible,
.una-page-bar.is-visible:hover,
.una-page-bar.is-visible:focus-within,
.una-page-bar.is-visible.is-open { opacity: 1; }
/* Fallback linear layout (no flip engine): show on hover */
.una-page:hover .una-page-bar { opacity: 1; transform: none; pointer-events: auto; }
/* Touch devices cannot hover: keep the pill readable at rest */
@media (hover: none) { .una-page-bar.is-visible { opacity: 0.85; } }

.una-page-bar__btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.88);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: var(--una-radius-pill);
  font-size: 0.72rem;
  font-family: inherit;
  line-height: 1;
  transition: background .13s, transform .12s;
  white-space: nowrap;
}
.una-page-bar__btn:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-1px);
}
.una-page-bar__btn.is-active {
  background: color-mix(in srgb, var(--una-primary) 35%, transparent);
  color: #7ee8d6;
}
.una-page-bar__btn .una-reaction__emoji { font-size: 0.88rem; }
.una-page-bar__btn .una-reaction__count {
  font-size: 0.65rem;
  opacity: 0.82;
  min-width: 8px;
}
.una-page-bar__comment-count {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--una-accent);
  color: #fff;
  border-radius: var(--una-radius-pill);
  padding: 0 4px;
  min-width: 14px;
  line-height: 1.5;
  display: inline-block;
  text-align: center;
}
/* ---- Reaction picker (collapsed summary + expandable emoji row) ---------- */
.una-react { position: relative; display: flex; align-items: center; }
.una-react__summary { gap: 4px; }
.una-react__faces { display: inline-flex; align-items: center; }
.una-react__face { font-size: 0.9rem; line-height: 1; margin-inline-end: -4px; filter: drop-shadow(0 0 1px rgba(0,0,0,0.5)); }
.una-react__face:last-child { margin-inline-end: 0; }
.una-react__face--empty { opacity: 0.75; font-size: 1rem; }
.una-react__total { font-size: 0.7rem; opacity: 0.9; min-width: 8px; }
.una-react__summary.is-active { background: color-mix(in srgb, var(--una-primary) 35%, transparent); color: #7ee8d6; }
.una-react__picker {
  position: absolute; bottom: calc(100% + 6px); inset-inline-start: 0;
  display: flex; gap: 2px; padding: 4px;
  background: rgba(20, 28, 33, 0.97); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px; box-shadow: var(--una-shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(6px) scale(0.92);
  transform-origin: bottom center;
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
  z-index: 12; white-space: nowrap;
}
.una-react:hover .una-react__picker,
.una-react:focus-within .una-react__picker,
.una-react.is-open .una-react__picker { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.una-react__picker .una-reaction {
  display: inline-flex; align-items: center; gap: 2px; padding: 4px 6px; border-radius: 999px;
  color: rgba(255,255,255,0.9); font-size: 0.7rem; background: transparent; border: none; cursor: pointer; line-height: 1;
  transition: transform .12s, background .12s;
}
.una-react__picker .una-reaction .una-reaction__emoji { font-size: 1.15rem; }
.una-react__picker .una-reaction:hover { transform: translateY(-3px) scale(1.15); background: rgba(255,255,255,0.12); }
.una-react__picker .una-reaction.is-active { background: color-mix(in srgb, var(--una-primary) 40%, transparent); }
.una-react__picker .una-reaction.is-bouncing .una-reaction__emoji { animation: una-react-pop .35s ease; }
@keyframes una-react-pop { 0% { transform: scale(1); } 40% { transform: scale(1.6) rotate(-8deg); } 100% { transform: scale(1); } }
.una-react__picker .una-reaction__count:empty { display: none; }
@media (hover: none) { .una-react:hover .una-react__picker { opacity: 0; visibility: hidden; } .una-react.is-open .una-react__picker { opacity: 1; visibility: visible; transform: none; } }

.una-page-bar__sep {
  width: 1px;
  height: 18px;
  background: rgba(255,255,255,0.18);
  margin: 0 2px;
  flex-shrink: 0;
}

/* ---- Old single floating bar (removed, kept for safety) ---- */
.una-engage-bar { display: none; }

/* Reaction pill / comment badge — replaced by .una-engage-bar */
.una-reaction-pill { display: none; }
.una-comment-badge { display: none; }

/* .una-reaction used by engagement bar buttons */
.una-reaction {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 4px 7px;
  border-radius: var(--una-radius-pill);
  font-size: 0.78rem;
  line-height: 1;
  color: var(--una-text);
  transition: transform var(--una-dur) var(--una-ease), background-color var(--una-dur) var(--una-ease);
}
.una-reaction:hover { transform: translateY(-1px); background: rgba(15, 123, 107, 0.08); }
.una-reaction.is-active { background: color-mix(in srgb, var(--una-primary) 14%, transparent); color: var(--una-primary); font-weight: 700; }
.una-reaction__emoji { font-size: 0.95rem; }

/* Thumbnail filmstrip: [start arrow][scrolling strip][end arrow] */
.una-reader__strip {
  display: flex; align-items: stretch; gap: 4px;
  padding: var(--una-sp-2) var(--una-sp-3);
  padding-bottom: calc(var(--una-sp-2) + env(safe-area-inset-bottom, 0px));
  background: rgba(12, 17, 20, 0.92);
  border-top: 1px solid rgba(255,255,255,0.08);
  min-width: 0;
}
.una-reader__strip-btn {
  flex: 0 0 34px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.12);
  background: transparent; color: #e6ebee; cursor: pointer; font-size: 1.4rem; line-height: 1;
  display: grid; place-items: center; font-family: inherit;
}
.una-reader__strip-btn:hover { background: rgba(255,255,255,0.08); color: #fff; }
.una-reader__strip-btn:disabled { opacity: .25; cursor: default; background: transparent; }
.una-reader__strip-btn:focus-visible { outline: 2px solid var(--una-accent); outline-offset: 2px; }
.una-reader__filmstrip {
  display: flex; gap: var(--una-sp-2); align-items: flex-start;
  flex: 1 1 auto; min-width: 0;
  padding: 4px 6px 2px;
  overflow-x: auto; overflow-y: hidden;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.22) transparent;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  /* soft fades at both ends hint that the strip continues */
  -webkit-mask-image: linear-gradient(to right, transparent, #000 22px, #000 calc(100% - 22px), transparent);
          mask-image: linear-gradient(to right, transparent, #000 22px, #000 calc(100% - 22px), transparent);
}
.una-reader__filmstrip::-webkit-scrollbar { height: 5px; }
.una-reader__filmstrip::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.22); border-radius: 3px; }
.una-reader__filmstrip:focus-visible { outline: 2px solid var(--una-accent); outline-offset: -2px; }
@media (prefers-reduced-motion: reduce) { .una-reader__filmstrip { scroll-behavior: auto; } }
.una-thumb {
  position: relative;
  height: 72px;
  aspect-ratio: 210 / 297;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  flex: 0 0 auto;
  opacity: 0.65;
  overflow: hidden;
  background: #fff;
  padding: 0;
  scroll-snap-align: center;
  transition: opacity .15s ease, transform .15s ease;
}
.una-thumb.is-active, .una-thumb:hover { border-color: var(--una-accent); opacity: 1; }
.una-thumb.is-active { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(0,0,0,.4), 0 4px 12px rgba(0,0,0,.45); }
/* page number badge on every thumbnail (the tiny clone is unreadable) */
.una-thumb__num {
  position: absolute; bottom: 2px; inset-inline-end: 2px; z-index: 2;
  min-width: 16px; padding: 0 4px; height: 15px; line-height: 15px;
  border-radius: 3px; font-size: 10px; font-weight: 700; text-align: center;
  font-variant-numeric: tabular-nums; letter-spacing: 0;
  background: rgba(12, 17, 20, 0.8); color: #fff; pointer-events: none;
}
.una-thumb.is-active .una-thumb__num { background: var(--una-accent); color: #0c1114; }

/* Toolbar navigation cluster: page counter + go-to box */
.una-reader__nav { display: flex; align-items: center; gap: var(--una-sp-2); min-width: 0; }
.una-reader__goto { display: flex; align-items: center; gap: 4px; margin: 0; }
.una-reader__goto input {
  width: 4.2em; height: 32px; padding: 0 8px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.05); color: #fff;
  font-family: inherit; font-size: var(--una-fs-sm); font-variant-numeric: tabular-nums; text-align: center;
  -moz-appearance: textfield; appearance: textfield;
}
.una-reader__goto input::-webkit-outer-spin-button, .una-reader__goto input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.una-reader__goto input::placeholder { color: #6f808a; }
.una-reader__goto input:focus { outline: 2px solid var(--una-accent); outline-offset: 1px; border-color: transparent; }
.una-reader__goto input.is-invalid { outline: 2px solid #e05a4f; }
/* Enter submits the box; the button exists for assistive tech and is shown only on wide screens */
.una-reader__goto-btn {
  height: 32px; padding: 0 10px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.12);
  background: transparent; color: #e6ebee; cursor: pointer; font-family: inherit; font-size: var(--una-fs-sm);
  display: none;
}
.una-reader__goto-btn:hover { background: rgba(255,255,255,0.08); color: #fff; }
@media (min-width: 1600px) { .una-reader__goto-btn { display: inline-block; } }
.una-reader__tool--edge { font-size: 1.05rem; }
@media (max-width: 1280px) { .una-reader__tool--edge { display: none; } }
.una-thumb--blank { background: #e8e8e8; opacity: 0.45; }
.una-thumb--blank .una-thumb__fallback { display: none; }
.una-thumb__fallback {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: #1f2a30; color: #9fb0ba; font-size: 0.8rem;
}

/* Highlights, markers and the selection popover live in engagement.css */

/* ---- Responsive ---------------------------------------------------------- */
/* Tablets and below: single-row compact toolbar that scrolls instead of wrapping */
@media (max-width: 1024px) {
  .una-reader__title { display: none; }
  .una-reader__bar { padding-left: var(--una-sp-3); padding-right: var(--una-sp-3); gap: var(--una-sp-2); }
  /* start-aligned: an end-aligned row overflows on the unscrollable side and hides prev/next */
  .una-reader__tools { flex-wrap: nowrap; justify-content: flex-start; gap: 4px; overflow-x: auto; scrollbar-width: none; min-width: 0; -webkit-overflow-scrolling: touch; }
  .una-reader__gtranslate { order: 99; }
  .una-reader__tools::-webkit-scrollbar { display: none; }
  .una-reader__tools > * { flex: 0 0 auto; }
  .una-reader__tool { width: 36px; height: 36px; border-radius: 8px; }
  .una-reader__pages { padding: 4px 6px; font-size: .78rem; }
  .una-reader__stage { padding: var(--una-sp-3); }
  .una-reader__strip { padding-left: var(--una-sp-2); padding-right: var(--una-sp-2); }
  .una-reader__gtranslate { flex: 0 0 auto; }
}
/* Phones: fewer tools (pinch / double-tap zoom), tighter stage, touch-sized page bar */
@media (max-width: 720px) {
  .una-reader__tool--zoom-label,
  .una-reader__tool--mode,
  [data-reader="zoom-in"],
  [data-reader="zoom-out"] { display: none; }
  .una-reader__bar { padding-top: calc(var(--una-sp-2) + env(safe-area-inset-top, 0px)); padding-bottom: var(--una-sp-2); }
  .una-reader__stage { padding: 8px; }
  .una-reader__strip { padding: 6px var(--una-sp-2); padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px)); }
  .una-reader__strip-btn { display: none; } /* thumbs scroll by touch */
  .una-reader__filmstrip { gap: 6px; }
  .una-thumb { height: 60px; }
  .una-reader__goto { display: none; }
  .una-reader__resume { font-size: .8rem; padding: 6px 8px 6px 12px; bottom: 96px; max-width: calc(100% - 16px); white-space: normal; }
  .una-reader__open-hint { font-size: .75rem; padding: 4px 10px; bottom: 4px; }
  .una-reader__toc { width: min(320px, 92vw); }
  .una-page-bar { height: 40px; padding: 0 6px; gap: 4px; bottom: 8%; }
  .una-page-bar__btn { padding: 6px 10px; font-size: .85rem; }
  .una-page-bar__btn .una-reaction__emoji, .una-react__face { font-size: 1.1rem; }
  .una-react__picker .una-reaction { padding: 6px 8px; }
  .una-react__picker .una-reaction .una-reaction__emoji { font-size: 1.35rem; }
}
/* Short viewports (landscape phones): maximise the page — no filmstrip, slim bar */
@media (max-height: 520px) {
  .una-reader__strip, .una-reader__progress, .una-reader__open-hint { display: none; }
  .una-reader__bar { padding-top: calc(4px + env(safe-area-inset-top, 0px)); padding-bottom: 4px; }
  .una-reader__tool { width: 32px; height: 32px; border-radius: 7px; }
  .una-reader__pages { font-size: .72rem; }
  .una-reader__stage { padding: 6px; }
  .una-reader__resume { bottom: 10px; }
  .una-reader__title { display: none; }
}
/* Touch devices: larger targets regardless of width */
@media (hover: none) and (pointer: coarse) {
  .una-page-bar { height: 44px; }
  .una-page-bar__btn { padding: 6px 9px; }
  .una-reader__tool { min-width: 36px; }
}
}