/* ============================================================
   TrackIt · READER (Книги)
   Library + realistic book reader with drag page-turn
   Relies on the host app's design tokens (--surface, --text, etc.)
   The "paper" inside the book has its own themed tokens.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Literata:ital,opsz,wght@0,7..72,400;0,7..72,500;0,7..72,600;1,7..72,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── LIBRARY (inside #page-reader .wrap) ─────────────────── */
.lib-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:20px;flex-wrap:wrap;}
.lib-title{font-family:var(--font-display);font-size:24px;font-weight:700;letter-spacing:-.02em;}
.lib-sub{font-size:12.5px;color:var(--muted);margin-top:3px;}
.lib-upload{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;background:var(--accent);color:var(--accent-ink);border:none;border-radius:var(--r-sm);font-family:var(--font-ui);font-size:13.5px;font-weight:700;cursor:pointer;transition:transform .15s var(--spring),box-shadow .2s;box-shadow:var(--sh-2);}
.lib-upload:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.lib-upload svg{width:16px;height:16px;}

.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;margin-bottom:34px;}

/* ── genre filter tabs ───────────────────────────────────── */
.lib-genres{display:flex;align-items:center;gap:8px;margin-bottom:20px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:2px;}
.lib-genres::-webkit-scrollbar{display:none;}
.lib-genre{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;padding:8px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);color:var(--muted);font-family:var(--font-ui);font-size:13px;font-weight:600;cursor:pointer;transition:color .18s,background .18s,border-color .18s,transform .12s;white-space:nowrap;position:relative;}
.lib-genre:hover:not(.active){color:var(--text2);border-color:var(--border2);background:var(--surface2);}
.lib-genre.active{background:var(--accent);border-color:transparent;color:var(--accent-ink);box-shadow:0 2px 10px -2px rgba(0,0,0,.5);}
.lib-genre-n{font-size:11px;font-weight:700;opacity:.65;font-variant-numeric:tabular-nums;}
.lib-genre.active .lib-genre-n{opacity:.8;}
/* ✕ is always laid out (no display toggle → no layout jump); mobile/touch shows it by default */
.lib-genre-x{display:inline-flex;width:15px;height:15px;border-radius:50%;align-items:center;justify-content:center;font-size:9px;background:rgba(0,0,0,.16);margin:-2px -6px -2px 0;line-height:1;opacity:1;transform:scale(1);transition:opacity .22s var(--ease,ease),transform .22s var(--ease,ease),background .18s,color .18s;}
.lib-genre-x:hover{background:var(--danger);color:#fff;}
/* desktop (hover-capable pointer): keep the ✕ hidden until the chip is hovered, then fade/scale in smoothly */
@media (hover:hover){
  .lib-genre-x{opacity:0;transform:scale(.6);pointer-events:none;}
  .lib-genre:hover .lib-genre-x{opacity:1;transform:scale(1);pointer-events:auto;}
}
.lib-genre-add{flex:0 0 auto;display:inline-flex;align-items:center;gap:5px;padding:8px 13px;background:none;border:1px dashed var(--border2);border-radius:var(--r-pill);color:var(--muted);font-family:var(--font-ui);font-size:12.5px;font-weight:600;cursor:pointer;transition:border-color .18s,color .18s,background .18s;white-space:nowrap;}
.lib-genre-add:hover{border-color:var(--border3);color:var(--text);background:var(--surface);}
.lib-genre-add svg{width:13px;height:13px;}

/* control plaque on a cover (bottom-left): cover image + genre */
.book-cover-tools{position:absolute;bottom:8px;left:8px;z-index:5;display:flex;gap:5px;opacity:0;transform:translateY(4px);transition:opacity .18s,transform .18s;}
.book-card:hover .book-cover-tools{opacity:1;transform:none;}
.cover-tool{width:27px;height:27px;border-radius:7px;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.14);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .18s,border-color .18s,transform .12s;}
.cover-tool:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);transform:translateY(-2px);}
.cover-tool:active{transform:scale(.92);}
.cover-tool svg{width:15px;height:15px;}
.book-meta-genre{color:var(--text2);font-weight:600;}

/* genre picker popover */
.genre-pop,.cover-pop{position:fixed;z-index:520;min-width:170px;background:var(--surface2);border:1px solid var(--border2);border-radius:var(--r-md);box-shadow:var(--sh-3);padding:6px;animation:gp-in .14s var(--ease);}
.cover-pop{min-width:210px;}
@keyframes gp-in{from{opacity:0;transform:scale(.96) translateY(-4px);}to{opacity:1;transform:none;}}
.genre-pop-lbl{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-weight:700;padding:7px 10px 8px;}
.genre-pop-item{display:block;width:100%;text-align:left;padding:9px 11px;background:none;border:none;border-radius:8px;color:var(--text);font-family:var(--font-ui);font-size:13px;font-weight:500;cursor:pointer;transition:background .14s;}
.genre-pop-item:hover{background:var(--raised);}
.genre-pop-item.sel{color:var(--text);font-weight:700;background:var(--accent-soft);}
.genre-pop-item.none{color:var(--muted);}
.genre-pop-item.add{color:var(--text2);border-top:1px solid var(--border);margin-top:4px;border-radius:0 0 8px 8px;font-weight:600;}

/* cover image + color popover */
.cover-pop-up{display:flex;align-items:center;gap:9px;width:100%;text-align:left;padding:10px 11px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);font-family:var(--font-ui);font-size:13px;font-weight:600;cursor:pointer;transition:border-color .16s,background .16s;margin-bottom:6px;}
.cover-pop-up:hover{border-color:var(--border2);background:var(--raised);}
.cover-pop-up svg{width:16px;height:16px;flex-shrink:0;color:var(--muted);}
.cover-pop-up.remove{color:var(--muted);}
.cover-pop-up.remove:hover{border-color:var(--danger);color:var(--danger);}
.cover-swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;padding:4px 4px 6px;}
.cover-sw{aspect-ratio:2/3;border-radius:6px;border:2px solid transparent;cursor:pointer;transition:transform .14s var(--spring),border-color .16s;box-shadow:var(--sh-1);}
.cover-sw:hover{transform:translateY(-2px) scale(1.05);}
.cover-sw.sel{border-color:var(--accent);}
.book-card{cursor:pointer;border-radius:var(--r-md);transition:transform .2s var(--spring);position:relative;}
.book-card:hover{transform:translateY(-4px);}
.book-cover{position:relative;aspect-ratio:2/3;border-radius:var(--r-sm);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--border2);display:flex;flex-direction:column;justify-content:flex-end;padding:14px;background:linear-gradient(150deg,#2a2a30,#15151a);}
.book-card:hover .book-cover{box-shadow:var(--sh-3);}
.book-cover::before{content:'';position:absolute;left:0;top:0;bottom:0;width:8px;background:linear-gradient(90deg,rgba(0,0,0,.35),rgba(0,0,0,0));z-index:2;}
.book-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.05) 0%,rgba(0,0,0,0) 38%,rgba(0,0,0,.32) 78%,rgba(0,0,0,.62) 100%);z-index:1;pointer-events:none;}
.book-cover-fmt{position:absolute;top:10px;right:10px;z-index:3;font-size:9px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;background:rgba(0,0,0,.45);backdrop-filter:blur(4px);color:#fff;padding:3px 7px;border-radius:5px;}
.book-cover-title{position:relative;z-index:3;font-family:var(--font-display);font-size:15px;font-weight:700;line-height:1.2;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.5);letter-spacing:-.01em;}
.book-cover-author{position:relative;z-index:3;font-size:11px;color:rgba(255,255,255,.72);margin-top:5px;}
.book-cover-prog{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(0,0,0,.35);z-index:3;}
.book-cover-prog>i{display:block;height:100%;background:var(--accent);box-shadow:0 0 8px rgba(255,255,255,.4);}
.book-meta{padding:9px 2px 0;}
.book-meta-title{font-size:12.5px;font-weight:600;line-height:1.25;}
.book-meta-sub{font-size:11px;color:var(--muted);margin-top:2px;font-variant-numeric:tabular-nums;}
.book-card-del{position:absolute;top:8px;left:8px;z-index:4;width:24px;height:24px;border-radius:6px;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);border:none;color:#fff;font-size:12px;cursor:pointer;opacity:0;transition:opacity .18s,background .18s;display:flex;align-items:center;justify-content:center;}
.book-card:hover .book-card-del{opacity:1;}
.book-card-del:hover{background:var(--danger);}

.book-add-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;aspect-ratio:2/3;border-radius:var(--r-sm);border:1.5px dashed var(--border2);color:var(--muted);cursor:pointer;transition:border-color .2s,color .2s,background .2s;background:var(--surface);}
.book-add-card:hover{border-color:var(--border3);color:var(--text);background:var(--surface2);}
.book-add-card svg{width:26px;height:26px;}
.book-add-card span{font-size:12px;font-weight:600;}

/* ── SAVED WORDS (library) ───────────────────────────────── */
.words-sec-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.words-sec-title{font-size:11px;text-transform:uppercase;letter-spacing:1.1px;color:var(--muted);font-weight:700;}
.words-anky-btn{padding:7px 13px;background:var(--surface2);border:1px solid var(--border2);border-radius:var(--r-xs);color:var(--text);font-family:var(--font-ui);font-size:12px;font-weight:700;cursor:pointer;transition:border-color .2s,background .2s;}
.words-anky-btn:hover{border-color:var(--border3);background:var(--raised);}
.words-anky-btn:disabled{opacity:.4;cursor:not-allowed;}
.words-list{display:flex;flex-direction:column;gap:6px;}
.word-row{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);padding:11px 14px;transition:border-color .15s,background .15s;}
.word-row:hover{border-color:var(--border2);background:var(--surface2);}
.word-row-term{font-size:14px;font-weight:700;flex-shrink:0;min-width:120px;}
.word-row-ctx{flex:1;font-size:12px;color:var(--muted);font-style:italic;line-height:1.4;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.word-row-src{font-size:10.5px;color:var(--dim);white-space:nowrap;}
.word-row-anky{font-size:10px;font-weight:700;color:var(--good);white-space:nowrap;}
.word-row-del{background:none;border:none;color:var(--dim);font-size:15px;cursor:pointer;transition:color .15s;padding:2px 4px;line-height:1;}
.word-row-del:hover{color:var(--danger);}
.lib-empty{text-align:center;color:var(--muted);font-size:13px;padding:26px 0;border:1px dashed var(--border);border-radius:var(--r-md);}

/* ============================================================
   READER VIEW (fullscreen overlay)
   ============================================================ */
.reader-view{position:fixed;inset:0;z-index:500;display:none;flex-direction:column;background:#0a0a0b;
  --paper:#f4ecd8;--ink:#4b3b2a;--ink-soft:#8a7a63;--paper-edge:#e7dcc2;--accent-ink2:#a8895f;}
.reader-view.open{display:flex;}
.reader-view[data-paper="light"]{--paper:#fdfdfb;--ink:#23211e;--ink-soft:#8b8b86;--paper-edge:#eceae4;--accent-ink2:#777;}
.reader-view[data-paper="sepia"]{--paper:#f4ecd8;--ink:#4b3b2a;--ink-soft:#9a8567;--paper-edge:#e7dcc2;--accent-ink2:#a8895f;}
.reader-view[data-paper="dark"]{--paper:#222227;--ink:#cdcdd2;--ink-soft:#76767e;--paper-edge:#191920;--accent-ink2:#5a5a64;}
.reader-view[data-paper="oled"]{--paper:#000;--ink:#b6b6bb;--ink-soft:#5a5a60;--paper-edge:#0a0a0a;--accent-ink2:#444;}

/* toolbars fade away in immersive mode */
.reader-view.immersive .reader-topbar,
.reader-view.immersive .reader-footer{opacity:0;pointer-events:none;transform:translateY(var(--hide,0));}
.reader-topbar{position:absolute;top:0;left:0;right:0;height:56px;z-index:20;display:flex;align-items:center;gap:8px;padding:0 14px;
  background:linear-gradient(180deg,rgba(10,10,11,.92),rgba(10,10,11,0));backdrop-filter:blur(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);--hide:-12px;}
.reader-back{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-sm);color:#e8e8ea;font-family:var(--font-ui);font-size:13px;font-weight:600;cursor:pointer;transition:background .2s,border-color .2s,transform .12s;}
.reader-back:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);}
.reader-back:active{transform:scale(.96);}
.reader-back svg{width:16px;height:16px;flex-shrink:0;}
.reader-titlewrap{flex:1;min-width:0;text-align:center;}
.reader-title{font-family:var(--font-display);font-size:14px;font-weight:600;color:#f0f0f2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.reader-chapter{font-size:11px;color:#8a8a92;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px;}
.reader-tools{display:flex;gap:6px;}
.rtool{width:38px;height:38px;border-radius:var(--r-sm);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#dcdce0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s,color .2s,transform .12s;}
.rtool:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.22);color:#fff;}
.rtool:active{transform:scale(.93);}
.rtool.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);}
.rtool svg{width:18px;height:18px;}

/* ── BOOK STAGE ──────────────────────────────────────────── */
.reader-stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:64px 20px 56px;}
.reader-stage.scrollmode{padding:64px 0 0;align-items:stretch;}

/* spread = the open book */
.book{position:relative;display:flex;border-radius:5px;
  filter:brightness(var(--brightness,1)) contrast(var(--contrast,1));
  transition:filter .25s var(--ease);}
.book.book-spread{box-shadow:0 30px 80px -20px rgba(0,0,0,.8),0 8px 24px -8px rgba(0,0,0,.6);}
.book-page{position:relative;background:var(--paper);overflow:hidden;}
.book.book-spread .book-page.left{border-radius:5px 0 0 5px;}
.book.book-spread .book-page.right{border-radius:0 5px 5px 0;}
.book.book-single .book-page{border-radius:5px;box-shadow:0 24px 60px -18px rgba(0,0,0,.75);}
/* center gutter shadow on spread */
.book-gutter{position:absolute;top:0;bottom:0;left:50%;transform:translateX(-50%);width:46px;z-index:6;pointer-events:none;
  background:linear-gradient(90deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.16) 42%,rgba(0,0,0,.30) 50%,rgba(0,0,0,.16) 58%,rgba(0,0,0,0) 100%);}
.book.book-single .book-gutter{display:none;}
/* paper texture / inner vignette */
.book-page::after{content:'';position:absolute;inset:0;pointer-events:none;z-index:4;
  box-shadow:inset 0 0 60px -18px rgba(0,0,0,.18);}

/* the text column surface inside each page */
.page-surface{position:absolute;inset:0;overflow:hidden;}
.page-pad{position:absolute;inset:0;padding:var(--pad-y,46px) var(--pad-x,52px);}
.flow{column-fill:auto;height:100%;
  font-family:var(--read-font,'Literata',serif);
  font-size:var(--read-size,19px);
  line-height:var(--read-lh,1.62);
  color:var(--ink);
  text-align:justify;hyphens:auto;-webkit-hyphens:auto;
  letter-spacing:0;
  transition:color .25s var(--ease);}
.flow p{margin:0 0 .85em;text-indent:1.3em;orphans:2;widows:2;}
.flow p:first-of-type,.flow h1+p,.flow h2+p,.flow h3+p,.flow .noindent{text-indent:0;}
.flow h1,.flow h2,.flow h3{font-family:var(--read-font,'Literata',serif);line-height:1.25;margin:0 0 .6em;text-align:left;font-weight:600;text-indent:0;}
.flow h1{font-size:1.5em;margin-top:.2em;}
.flow h2{font-size:1.28em;margin-top:.4em;}
.flow h3{font-size:1.1em;}
.flow em,.flow i{font-style:italic;}
.flow strong,.flow b{font-weight:700;}
.flow img{max-width:100%;height:auto;}
.flow .chapter-mark{text-align:center;color:var(--ink-soft);font-size:.78em;letter-spacing:.25em;text-transform:uppercase;margin:0 0 1.4em;text-indent:0;}
.flow .scene-break{text-align:center;margin:1.1em 0;color:var(--ink-soft);text-indent:0;letter-spacing:.5em;}

/* tappable word */
.flow w{cursor:pointer;border-radius:3px;transition:background .12s;}
.flow w:hover{background:rgba(168,137,95,.18);}
.reader-view[data-paper="dark"] .flow w:hover,.reader-view[data-paper="oled"] .flow w:hover{background:rgba(255,255,255,.10);}
.flow w.saved{background:var(--mark,rgba(168,137,95,.30));box-shadow:inset 0 -2px 0 var(--accent-ink2);}

/* page number footer per page */
.page-folio{position:absolute;left:0;right:0;bottom:18px;text-align:center;font-size:11px;color:var(--ink-soft);
  font-family:var(--read-font,serif);z-index:5;font-variant-numeric:tabular-nums;}
.book.book-spread .book-page.left .page-folio{text-align:left;left:52px;}
.book.book-spread .book-page.right .page-folio{text-align:right;right:52px;left:auto;}

/* bookmark ribbon on a page */
.page-ribbon{position:absolute;top:-2px;right:26px;width:20px;height:40px;z-index:8;pointer-events:none;
  background:var(--accent);box-shadow:0 3px 6px rgba(0,0,0,.35);clip-path:polygon(0 0,100% 0,100% 100%,50% 78%,0 100%);
  opacity:0;transform:translateY(-6px);transition:opacity .25s,transform .25s var(--spring);}
.page-ribbon.show{opacity:1;transform:translateY(0);}

/* ── TURNING LEAF ────────────────────────────────────────── */
.leaf{position:absolute;top:0;bottom:0;z-index:12;transform-style:preserve-3d;will-change:transform;display:none;}
.leaf.active{display:block;}
.leaf-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;background:var(--paper);box-shadow:0 8px 26px -10px rgba(0,0,0,.45);}
.leaf-face .page-pad{position:absolute;inset:0;}
.leaf-front{transform:rotateY(0deg);z-index:2;}
.leaf-back{transform:rotateY(180deg);z-index:1;}
/* dynamic shading overlays on the leaf — soft, curvature-reading */
.leaf-shade{position:absolute;inset:0;z-index:5;pointer-events:none;opacity:0;background:linear-gradient(90deg,rgba(0,0,0,.42) 0%,rgba(0,0,0,.12) 38%,rgba(0,0,0,0) 72%);}
.leaf-front .leaf-shade{background:linear-gradient(270deg,rgba(0,0,0,.38) 0%,rgba(0,0,0,.10) 40%,rgba(0,0,0,0) 74%);}
.leaf-gloss{position:absolute;inset:0;z-index:6;pointer-events:none;opacity:0;background:linear-gradient(100deg,rgba(255,255,255,0) 34%,rgba(255,255,255,.20) 50%,rgba(255,255,255,0) 66%);}
/* drop shadow the moving leaf casts on the page underneath */
.leaf-cast{position:absolute;top:0;bottom:0;z-index:11;pointer-events:none;opacity:0;
  background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(0,0,0,0) 72%);display:none;transition:opacity .12s linear;}
.leaf-cast.active{display:block;}

/* corner hint that invites dragging */
.page-corner{position:absolute;bottom:0;width:54px;height:54px;z-index:9;cursor:grab;}
.page-corner.fwd{right:0;}
.page-corner.bwd{left:0;}
.page-corner::before{content:'';position:absolute;bottom:0;right:0;width:0;height:0;
  border-style:solid;border-width:0 0 26px 26px;border-color:transparent transparent rgba(0,0,0,.14) transparent;
  transition:border-width .2s var(--ease);}
.page-corner.bwd::before{right:auto;left:0;border-width:0 26px 26px 0;border-color:transparent transparent rgba(0,0,0,.14) transparent;}
.reader-stage:hover .page-corner::before{border-width:0 0 34px 34px;}
.reader-stage:hover .page-corner.bwd::before{border-width:0 34px 34px 0;}
.book.dragging .page-corner{display:none;}

/* nav arrows (outside the book, always usable) */
.reader-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:18;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);color:#e6e6e8;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s,opacity .2s,transform .12s;}
.reader-nav:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.24);}
.reader-nav:active{transform:translateY(-50%) scale(.92);}
.reader-nav.prev{left:14px;}
.reader-nav.next{right:14px;}
.reader-nav.hidden{opacity:0;pointer-events:none;}
.reader-nav svg{width:20px;height:20px;}

/* ── SCROLL MODE ─────────────────────────────────────────── */
.scroll-reader{position:absolute;inset:0;overflow-y:auto;display:none;background:var(--paper);
  filter:brightness(var(--brightness,1)) contrast(var(--contrast,1));scrollbar-width:thin;}
.reader-stage.scrollmode .book,.reader-stage.scrollmode .pf-host{display:none;}
.reader-stage.scrollmode .scroll-reader{display:block;}
.reader-stage.scrollmode .reader-nav,.reader-stage.scrollmode .page-corner{display:none;}
.scroll-inner{max-width:var(--scroll-w,680px);margin:0 auto;padding:42px 30px 120px;
  font-family:var(--read-font,'Literata',serif);font-size:var(--read-size,19px);line-height:var(--read-lh,1.62);color:var(--ink);text-align:justify;hyphens:auto;}
.scroll-inner p{margin:0 0 .9em;text-indent:1.3em;}
.scroll-inner p:first-of-type,.scroll-inner h1+p,.scroll-inner h2+p,.scroll-inner h3+p{text-indent:0;}
.scroll-inner h1,.scroll-inner h2,.scroll-inner h3{text-align:left;text-indent:0;margin:.8em 0 .5em;font-weight:600;}
.scroll-inner w{cursor:pointer;border-radius:3px;}
.scroll-inner w:hover{background:rgba(168,137,95,.18);}
.scroll-inner w.saved{background:var(--mark,rgba(168,137,95,.30));box-shadow:inset 0 -2px 0 var(--accent-ink2);}

/* ── FOOTER (progress) ───────────────────────────────────── */
.reader-footer{position:absolute;left:0;right:0;bottom:0;z-index:20;padding:14px 22px 16px;
  background:linear-gradient(0deg,rgba(10,10,11,.92),rgba(10,10,11,0));backdrop-filter:blur(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);--hide:12px;
  display:flex;align-items:center;gap:14px;}
.prog-slider{flex:1;-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;background:rgba(255,255,255,.16);outline:none;cursor:pointer;}
.prog-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 1px 5px rgba(0,0,0,.5);cursor:grab;transition:transform .12s;}
.prog-slider::-webkit-slider-thumb:active{transform:scale(1.2);cursor:grabbing;}
.prog-slider::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:var(--accent);cursor:grab;}
.prog-info{font-size:11.5px;color:#a6a6ad;font-variant-numeric:tabular-nums;white-space:nowrap;min-width:74px;text-align:right;}
.prog-pct{font-size:11.5px;color:#e8e8ea;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;min-width:38px;}

/* ── SETTINGS PANEL ──────────────────────────────────────── */
.reader-panel{position:absolute;top:0;right:0;bottom:0;width:min(340px,100vw);z-index:40;
  background:var(--surface);border-left:1px solid var(--border);box-shadow:var(--sh-3);
  transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);overflow-y:auto;}
.reader-panel.open{transform:translateX(0);}
.rpanel-head{position:sticky;top:0;background:var(--surface);z-index:2;padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.rpanel-title{font-family:var(--font-display);font-size:16px;font-weight:700;}
.rpanel-sec{padding:18px 20px;border-bottom:1px solid var(--border);}
.rpanel-lbl{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-weight:700;margin-bottom:11px;display:flex;justify-content:space-between;align-items:center;}
.rpanel-lbl b{color:var(--text);font-variant-numeric:tabular-nums;font-size:11px;}
.seg{display:grid;gap:6px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-sm);padding:4px;}
.seg.cols-2{grid-template-columns:1fr 1fr;}
.seg.cols-3{grid-template-columns:repeat(3,1fr);}
.seg.cols-4{grid-template-columns:repeat(4,1fr);}
.seg-opt{padding:9px 6px;background:none;border:none;border-radius:7px;color:var(--muted);font-family:var(--font-ui);font-size:12px;font-weight:600;cursor:pointer;transition:color .18s,background .18s,box-shadow .18s,transform .1s;white-space:nowrap;}
.seg-opt:hover:not(.on){color:var(--text2);background:rgba(255,255,255,.04);}
.seg-opt:active{transform:scale(.95);}
.seg-opt.on{background:var(--accent);color:var(--accent-ink);box-shadow:0 2px 8px -2px rgba(0,0,0,.5);}
.seg-opt.serif{font-family:'Literata',serif;}
.seg-opt.mono{font-family:'JetBrains Mono',monospace;}
.paper-opt{height:40px;border-radius:7px;border:2px solid transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;transition:border-color .18s,transform .1s;position:relative;}
.paper-opt:active{transform:scale(.95);}
.paper-opt.on{border-color:var(--accent);}
.rslider{width:100%;-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;background:var(--surface2);outline:none;cursor:pointer;border:1px solid var(--border);}
.rslider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);border:2px solid var(--surface);box-shadow:var(--sh-1);cursor:grab;transition:transform .12s;}
.rslider::-webkit-slider-thumb:active{transform:scale(1.15);cursor:grabbing;}
.rslider::-moz-range-thumb{width:16px;height:16px;border:2px solid var(--surface);border-radius:50%;background:var(--accent);cursor:grab;}
.rpanel-reset{width:100%;padding:11px;background:var(--surface2);border:1px solid var(--border2);border-radius:var(--r-sm);color:var(--text2);font-family:var(--font-ui);font-size:12.5px;font-weight:600;cursor:pointer;transition:border-color .2s,background .2s,color .2s;}
.rpanel-reset:hover{border-color:var(--border3);background:var(--raised);color:var(--text);}

/* ── CONTEXT MENU ────────────────────────────────────────── */
.reader-ctx{position:fixed;z-index:60;min-width:210px;background:var(--surface2);border:1px solid var(--border2);border-radius:var(--r-md);box-shadow:var(--sh-3);padding:6px;display:none;animation:ctx-in .14s var(--ease);}
.reader-ctx.open{display:block;}
@keyframes ctx-in{from{opacity:0;transform:scale(.96) translateY(-4px);}to{opacity:1;transform:none;}}
.ctx-item{display:flex;align-items:center;gap:11px;width:100%;padding:9px 11px;background:none;border:none;border-radius:8px;color:var(--text);font-family:var(--font-ui);font-size:13px;font-weight:500;cursor:pointer;text-align:left;transition:background .14s;}
.ctx-item:hover{background:var(--raised);}
.ctx-item:disabled{opacity:.4;cursor:not-allowed;}
.ctx-item svg{width:16px;height:16px;flex-shrink:0;color:var(--muted);}
.ctx-item .ctx-key{margin-left:auto;font-size:10px;color:var(--dim);font-variant-numeric:tabular-nums;}
.ctx-sep{height:1px;background:var(--border);margin:5px 4px;}
.ctx-word{padding:6px 11px 8px;font-size:11px;color:var(--muted);}
.ctx-word b{color:var(--text);font-weight:700;}

/* ── WORD POPOVER (tap a word) ───────────────────────────── */
.word-pop{position:fixed;z-index:55;background:var(--surface2);border:1px solid var(--border2);border-radius:var(--r-md);box-shadow:var(--sh-3);padding:13px 15px;width:240px;display:none;animation:ctx-in .14s var(--ease);}
.word-pop.open{display:block;}
.word-pop-term{font-family:var(--font-display);font-size:17px;font-weight:700;margin-bottom:2px;}
.word-pop-ctx{font-size:11.5px;color:var(--muted);font-style:italic;line-height:1.4;margin-bottom:11px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.word-pop-actions{display:flex;gap:8px;}
.word-pop-btn{flex:1;padding:9px;border-radius:var(--r-xs);font-family:var(--font-ui);font-size:12px;font-weight:700;cursor:pointer;border:1px solid var(--border2);background:var(--surface);color:var(--text);transition:all .18s;}
.word-pop-btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.word-pop-btn:hover{transform:translateY(-1px);}
.word-pop-note{font-size:10.5px;color:var(--dim);margin-top:9px;line-height:1.4;}

/* ── BOOKMARK / CONTENTS DRAWER ──────────────────────────── */
.reader-drawer{position:absolute;top:0;left:0;bottom:0;width:min(320px,100vw);z-index:40;background:var(--surface);border-right:1px solid var(--border);box-shadow:var(--sh-3);transform:translateX(-100%);transition:transform .32s cubic-bezier(.4,0,.2,1);overflow-y:auto;}
.reader-drawer.open{transform:translateX(0);}
.drawer-tabs{display:flex;gap:4px;padding:14px 16px 0;}
.drawer-tab{flex:1;padding:9px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--muted);font-family:var(--font-ui);font-size:12px;font-weight:600;cursor:pointer;transition:all .18s;}
.drawer-tab.on{background:var(--accent);border-color:transparent;color:var(--accent-ink);}
.drawer-body{padding:14px 16px 24px;}
.bm-row{display:flex;align-items:center;gap:11px;padding:11px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-sm);cursor:pointer;margin-bottom:6px;transition:border-color .15s,background .15s;}
.bm-row:hover{border-color:var(--border2);background:var(--raised);}
.bm-row svg{width:15px;height:15px;color:var(--accent-ink2,var(--muted));flex-shrink:0;}
.bm-row .bm-meta{flex:1;min-width:0;}
.bm-row .bm-page{font-size:12.5px;font-weight:700;}
.bm-row .bm-snip{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:1px;}
.bm-row .bm-del{background:none;border:none;color:var(--dim);cursor:pointer;font-size:14px;padding:2px 4px;}
.bm-row .bm-del:hover{color:var(--danger);}
.toc-row{padding:10px 12px;border-radius:var(--r-sm);cursor:pointer;font-size:13px;color:var(--text2);transition:background .15s,color .15s;}
.toc-row:hover{background:var(--surface2);color:var(--text);}
.toc-row.cur{background:var(--accent-soft);color:var(--text);font-weight:600;}
.drawer-empty{text-align:center;color:var(--muted);font-size:12.5px;padding:30px 10px;}

/* loading / toast */
.reader-loading{position:absolute;inset:0;z-index:30;display:none;align-items:center;justify-content:center;flex-direction:column;gap:14px;background:#0a0a0b;color:#cfcfd4;}
.reader-loading.show{display:flex;}
.reader-loading .spin{width:34px;height:34px;border:3px solid rgba(255,255,255,.15);border-top-color:var(--accent);border-radius:50%;animation:rspin .8s linear infinite;}
@keyframes rspin{to{transform:rotate(360deg);}}
.reader-loading .rl-txt{font-size:13px;color:#9a9aa2;}
.reader-toast{position:fixed;left:50%;bottom:80px;transform:translateX(-50%) translateY(14px);z-index:70;
  background:var(--raised);border:1px solid var(--border2);color:var(--text);padding:11px 18px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;box-shadow:var(--sh-3);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s var(--spring);}
.reader-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

@media(prefers-reduced-motion:reduce){
  .leaf,.reader-panel,.reader-drawer{transition-duration:.001s!important;}
}

/* ── StPageFlip integration ─────────────────────────────── */
.pf-host{position:relative;margin:0 auto;touch-action:pan-y;filter:brightness(var(--brightness,1)) contrast(var(--contrast,1));transition:filter .25s var(--ease);}
.pf-page{background:var(--paper);overflow:hidden;box-shadow:none;}
.pf-page .pf-pad{position:absolute;inset:0;padding:var(--pad-y,46px) var(--pad-x,52px);}
.pf-page .flow{height:100%;}
.pf-page,.pf-page *{-webkit-user-select:text;user-select:text;}
.pf-folio{position:absolute;left:0;right:0;bottom:15px;text-align:center;font-size:11px;color:var(--ink-soft);font-family:var(--read-font,serif);z-index:5;font-variant-numeric:tabular-nums;pointer-events:none;}
.pf-ribbon{position:absolute;top:-2px;right:24px;width:18px;height:36px;z-index:8;pointer-events:none;background:var(--accent);box-shadow:0 3px 6px rgba(0,0,0,.35);clip-path:polygon(0 0,100% 0,100% 100%,50% 78%,0 100%);opacity:0;transform:translateY(-6px);transition:opacity .25s,transform .25s var(--spring);}
.pf-page.bm .pf-ribbon{opacity:1;transform:translateY(0);}
.stf__parent{margin:0 auto;}

/* live-text overlay above the paper canvas (crisp, selectable, opaque book at rest) */
.ov-layer{position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:6;display:flex;align-items:stretch;transition:opacity .1s linear;border-radius:5px;box-shadow:0 30px 80px -20px rgba(0,0,0,.8),0 8px 24px -8px rgba(0,0,0,.6);}
.ov-page{position:relative;overflow:hidden;background:var(--paper);flex:0 0 auto;}
.ov-page::after{content:'';position:absolute;inset:0;pointer-events:none;z-index:4;box-shadow:inset 0 0 60px -18px rgba(0,0,0,.18);}
.ov-layer.spread .ov-page.left{border-radius:5px 0 0 5px;}
.ov-layer.spread .ov-page.right{border-radius:0 5px 5px 0;}
.ov-layer.single .ov-page{border-radius:5px;}
.ov-layer.spread::after{content:'';position:absolute;top:0;bottom:0;left:50%;transform:translateX(-50%);width:46px;z-index:5;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.16) 42%,rgba(0,0,0,.30) 50%,rgba(0,0,0,.16) 58%,rgba(0,0,0,0) 100%);}
.ov-page .pf-pad{position:absolute;inset:0;padding:var(--pad-y,46px) var(--pad-x,52px);}
.ov-page .flow{height:100%;}
.ov-page .pf-folio{position:absolute;left:0;right:0;bottom:15px;text-align:center;font-size:11px;color:var(--ink-soft);font-family:var(--read-font,serif);font-variant-numeric:tabular-nums;pointer-events:none;}
.ov-layer w{cursor:pointer;}

/* mobile tweaks */
@media(max-width:640px){
  .reader-topbar{height:52px;padding:0 10px;}
  .reader-back span{display:none;}
  .reader-back{padding:9px;}
  .reader-stage{padding:58px 8px 52px;}
  .reader-nav{display:none;}
  .book-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;}
}