:root{
  --read-navy:#0b2a55;
  --read-navy-2:#123b71;
  --read-gold:#caa66a;
  --read-gold-soft:#eadcc4;
  --read-ink:#112a4c;
  --read-muted:#8793a2;
  --read-ivory:#faf7f1;
  --read-cream:#f1ece3;
  --read-line:#e6dfd4;
}
.hidden{display:none!important}
.reading-hero{
  width:min(1200px,calc(100% - 48px));
  margin:14px auto 96px;
  min-height:430px;
  border-radius:36px;
  background:linear-gradient(135deg,var(--read-navy),#0d315f);
  color:#fff;
  padding:72px 7%;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
  gap:54px;align-items:center;
  position:relative;overflow:hidden;
}
.reading-hero:before{
  content:"";position:absolute;width:470px;height:470px;left:-160px;bottom:-280px;
  border-radius:50%;background:radial-gradient(circle,rgba(202,166,106,.27),transparent 68%);
}
.reading-hero-copy{position:relative;z-index:2}
.reading-kicker{display:inline-block;color:#ead9b9;font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:20px}
.reading-hero h1{margin:0;font-size:clamp(48px,5.7vw,72px);line-height:1.06;letter-spacing:-.045em}
.reading-hero h1 span{color:#ead9b9}
.reading-hero p{max-width:650px;margin:26px 0 0;color:#ccd7e6;font-size:17px;line-height:1.95}
.book-visual{display:flex;align-items:center;justify-content:center;position:relative;z-index:2}
.book-icon{width:220px;height:170px;border-radius:28px;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.10);position:relative;perspective:900px}
.book-icon .page{position:absolute;top:32px;width:78px;height:108px;background:linear-gradient(135deg,#f3dfb8,#d7b470);border-radius:8px 16px 16px 8px;box-shadow:0 12px 26px rgba(0,0,0,.13)}
.book-icon .left{left:28px;transform:rotateY(14deg);transform-origin:right center}
.book-icon .right{right:28px;transform:rotateY(-14deg);transform-origin:left center;border-radius:16px 8px 8px 16px}
.book-icon .spine{position:absolute;left:50%;top:30px;width:2px;height:112px;background:rgba(255,255,255,.26);transform:translateX(-50%)}
.reading-section{width:min(1200px,calc(100% - 48px));margin:0 auto 110px}
.reading-level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.reading-level-card{min-height:300px;background:#fff;border:1px solid var(--read-line);border-radius:27px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 8px 28px rgba(25,33,48,.03);transition:.3s;cursor:pointer}
.reading-level-card:hover,.reading-level-card.active{transform:translateY(-6px);box-shadow:0 18px 45px rgba(14,38,69,.09);border-color:#d6c39f}
.level-top{display:flex;justify-content:space-between;align-items:center}
.level-code{background:#f8f4ec;color:var(--read-navy);border:1px solid #e8decc;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:800}
.level-number{color:#a4adba;font-size:12px;font-weight:700;letter-spacing:.1em}
.reading-level-card h3{margin:34px 0 10px;color:var(--read-navy);font-size:27px}
.reading-level-card p{margin:0;color:var(--read-muted);line-height:1.9;font-size:14px}
.level-link{padding-top:20px;margin-top:26px;border-top:1px solid #edf0f3;display:flex;align-items:center;justify-content:space-between;color:var(--read-navy);font-size:13px;font-weight:800}
.level-link span{font-size:18px;transition:.25s}.reading-level-card:hover .level-link span{transform:translateX(-5px)}
.library-shell{margin-top:30px;background:#f3eee5;border:1px solid #e4ddcf;border-radius:32px;overflow:hidden;box-shadow:0 18px 50px rgba(17,41,72,.07);scroll-margin-top:22px}
.library-header{padding:30px 34px 28px;background:linear-gradient(135deg,#0b2a55,#123b71);display:flex;align-items:center;justify-content:space-between;gap:24px}
.library-header .section-kicker{color:#ddc18e}.library-header h2{margin:5px 0 0;color:#fff;font-size:32px}.library-count{color:#c9d4e2;font-size:13px}
.book-grid{padding:28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.book-card{appearance:none;border:0;background:transparent;padding:0;text-align:right;cursor:pointer;font-family:inherit}
.cover-wrap{position:relative;aspect-ratio:0.64;border-radius:18px;overflow:hidden;background:#ddd;box-shadow:0 20px 36px rgba(18,33,50,.12);transition:.32s;isolation:isolate}
.cover-wrap:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(6,25,53,.42),transparent 42%);opacity:.55;z-index:2}
.cover-wrap img{width:100%;height:100%;object-fit:cover;display:block;transition:.45s}
.book-card:hover .cover-wrap{transform:translateY(-8px) rotate(-.4deg);box-shadow:0 28px 48px rgba(18,33,50,.18)}
.book-card:hover .cover-wrap img{transform:scale(1.035)}
.book-open-pill{position:absolute;right:14px;bottom:14px;z-index:3;background:rgba(255,255,255,.92);color:var(--read-navy);border-radius:999px;padding:8px 12px;font-size:11px;font-weight:800;backdrop-filter:blur(8px)}
.book-meta{padding:14px 4px 0}.book-meta span{color:#b08c54;font-size:10px;font-weight:800}.book-meta h3{direction:ltr;text-align:left;margin:5px 0 0;color:var(--read-ink);font-family:Inter,Arial,sans-serif;font-size:16px;line-height:1.35}
.empty-state{grid-column:1/-1;padding:42px;background:#fff;border:1px dashed #d7cdbc;border-radius:22px;text-align:center;color:#8b97a6}


/* =========================================================
   English Nest Reading V2 — Interactive magazine reader
   ========================================================= */
.reader-wrap{width:min(1240px,calc(100% - 34px));margin:12px auto 80px}
.reader-topbar{background:#fff;border:1px solid var(--read-line);border-radius:24px;padding:12px 14px;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;margin-bottom:10px;box-shadow:0 7px 22px rgba(20,35,54,.035)}
.reader-back,.reader-control{appearance:none;border:1px solid #e3e7ec;background:#fafbfc;color:var(--read-navy);border-radius:999px;padding:9px 13px;font-family:inherit;font-weight:800;cursor:pointer}
.reader-title-meta{text-align:center}.reader-title-meta span{display:block;color:#b08c54;font-size:10px;font-weight:800;margin-bottom:2px}.reader-title-meta strong{direction:ltr;display:block;color:var(--read-ink);font-family:Inter,Arial,sans-serif;font-size:14px}
.reader-tools-top{display:flex;gap:8px;align-items:center;direction:ltr}
.reader-control{display:inline-flex;align-items:center;gap:7px;transition:.2s}
.reader-control svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.reader-control.active{background:#f1e5cc;border-color:#d8bd8d;color:#183455;box-shadow:0 0 0 3px rgba(202,166,106,.10)}
.reader-control.icon-only{width:39px;height:39px;padding:0;justify-content:center;font-size:17px}
.reader-hint{width:max-content;max-width:calc(100% - 24px);margin:0 auto 10px;background:#f8f4ed;border:1px solid #e9dfd1;border-radius:999px;padding:8px 13px;display:flex;gap:8px;align-items:center;color:#7a8796;font-size:11px}
.gesture-icon{color:#b28c50;font-family:Inter,Arial,sans-serif;font-size:15px}.gesture-icon.pen{font-size:12px}

.reader-stage{min-height:735px;background:radial-gradient(circle at 50% 12%,#173f74,#071d3b 70%);border-radius:34px;display:grid;grid-template-columns:72px minmax(0,1fr) 72px;align-items:center;padding:32px;position:relative;overflow:hidden;box-shadow:0 24px 60px rgba(8,29,59,.16);perspective:2200px}
.reader-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.017) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.017) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 72%)}
.reader-stage:after{content:"";position:absolute;left:50%;bottom:42px;width:min(590px,64vw);height:48px;transform:translateX(-50%);background:rgba(0,0,0,.28);filter:blur(34px);border-radius:50%}
.page-nav{position:relative;z-index:8;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#f0d7aa;font-size:22px;cursor:pointer;transition:.2s}.page-nav:hover{background:rgba(255,255,255,.12);transform:scale(1.05)}.page-nav:disabled{opacity:.22;cursor:default;transform:none}
.page-shell{position:relative;z-index:4;margin:auto;width:min(560px,72vw);height:min(780px,78vh);perspective:2200px;display:flex;align-items:center;justify-content:center;transform-style:preserve-3d}
.page-stack{position:absolute;width:92%;height:96%;background:#f5f1e8;border-radius:9px;box-shadow:0 15px 36px rgba(0,0,0,.17);pointer-events:none}
.page-stack.back-one{transform:translate(8px,6px) rotate(.55deg);opacity:.8}
.page-stack.back-two{transform:translate(15px,11px) rotate(1deg);opacity:.42}
.book-frame{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;perspective:2200px;transform-origin:center;transition:transform .22s ease;z-index:3}
.page-surface{position:relative;height:100%;width:auto;max-width:100%;max-height:100%;aspect-ratio:384/600;transform-style:preserve-3d;backface-visibility:hidden;will-change:transform;touch-action:pan-y;cursor:grab;user-select:none}
.page-surface.dragging{cursor:grabbing;transition:none!important}
.page-surface img{width:100%;height:100%;object-fit:contain;display:block;border-radius:9px;background:#fff;box-shadow:0 25px 68px rgba(0,0,0,.38);pointer-events:none;-webkit-user-drag:none}
.turn-shade{position:absolute;inset:0;border-radius:9px;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.55),rgba(255,255,255,.12) 48%,transparent 75%);mix-blend-mode:multiply;opacity:0;transition:opacity .08s;z-index:4}

.word-layer{position:absolute;inset:0;z-index:5;pointer-events:none;border-radius:9px;overflow:hidden}
.word-hotspot{position:absolute;appearance:none;border:0;background:transparent;padding:0;margin:0;border-radius:4px;opacity:0;pointer-events:none;cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22' viewBox='0 0 24 24'%3E%3Cpath d='M4 20h5L19 10l-5-5L4 15v5Z' fill='%23d2ad69' stroke='%230b2a55' stroke-width='1.2'/%3E%3C/svg%3E") 2 20, pointer;transition:.16s}
.highlight-mode .page-surface{cursor:default;touch-action:pan-y}
.highlight-mode .word-layer{pointer-events:auto}
.highlight-mode .word-hotspot{pointer-events:auto;opacity:.01}
.word-hotspot:hover{opacity:1;background:rgba(238,203,130,.23);outline:1px solid rgba(218,174,89,.45)}
.word-hotspot.marked{opacity:1;background:rgba(255,214,93,.38);box-shadow:inset 0 -3px 0 rgba(211,160,45,.58)}

.translation-popup{position:absolute;z-index:30;background:rgba(255,255,255,.98);border:1px solid #e1d7c8;border-radius:18px;padding:15px 16px 14px;box-shadow:0 18px 48px rgba(4,21,43,.24);text-align:right;backdrop-filter:blur(12px)}
.translation-close{position:absolute;left:10px;top:8px;width:25px;height:25px;border-radius:50%;border:0;background:#f2f4f6;color:#7b8794;cursor:pointer;font-size:16px}
.translation-label{display:block;color:#b18c53;font-size:9px;font-weight:900;letter-spacing:.04em;margin-bottom:4px}
.translation-popup strong{display:block;color:#0e2d55;font-family:Inter,Arial,sans-serif;font-size:19px;margin-bottom:5px;text-align:left;padding-left:28px}
.translation-text{color:#405266;font-size:14px;font-weight:700;min-height:22px}
.remove-highlight{margin-top:10px;appearance:none;border:1px solid #e5e8ec;background:#fafbfc;color:#6f7d8c;border-radius:999px;padding:6px 10px;font-family:inherit;font-size:10px;font-weight:800;cursor:pointer}

.reader-bottom{margin-top:14px;background:#fff;border:1px solid var(--read-line);border-radius:22px;padding:12px 16px;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center}.page-counter{direction:ltr;color:var(--read-navy);font-family:Inter,Arial,sans-serif;font-size:12px;font-weight:800}.reader-progress{height:5px;background:#edf0f3;border-radius:999px;overflow:hidden}.reader-progress div{height:100%;width:11.1%;background:linear-gradient(90deg,#caa66a,#e2c28d);border-radius:999px;transition:.25s}.reader-actions{direction:ltr;display:flex;gap:7px;align-items:center}.reader-actions button{width:31px;height:31px;border-radius:50%;border:1px solid #e3e7ec;background:#fafbfc;color:var(--read-navy);cursor:pointer;font-size:16px}.reader-actions span{min-width:48px;text-align:center;color:#718096;font-family:Inter,Arial,sans-serif;font-size:11px;font-weight:800}
.reader-wrap:fullscreen{background:#0a1f3e;padding:16px;overflow:auto}.reader-wrap:fullscreen .reader-stage{min-height:calc(100vh - 160px)}

@media(max-width:950px){.reading-level-grid{grid-template-columns:1fr}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.reading-hero{grid-template-columns:1fr}.book-visual{height:180px}.reader-stage{min-height:650px}}
@media(max-width:700px){.reading-hero,.reading-section{width:min(100% - 24px,1200px)}.reading-hero{min-height:420px;border-radius:26px;padding:52px 24px;margin-bottom:72px}.reading-hero h1{font-size:42px}.reading-hero p{font-size:15px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:18px;gap:16px}.library-header{padding:24px 20px 22px}.library-header h2{font-size:25px}.reader-wrap{width:min(100% - 16px,1240px)}.reader-topbar{grid-template-columns:1fr auto}.reader-title-meta{grid-column:1/-1;grid-row:2;text-align:right}.reader-tools-top{justify-content:flex-end}.reader-control.highlight-tool span{display:none}.reader-stage{min-height:590px;grid-template-columns:44px minmax(0,1fr) 44px;padding:12px}.page-nav{width:38px;height:38px;font-size:17px}.page-shell{width:min(76vw,480px);height:67vh}.reader-bottom{grid-template-columns:auto 1fr}.reader-actions{grid-column:1/-1;justify-content:center}.reader-hint{border-radius:16px;text-align:center;justify-content:center;line-height:1.5}.translation-popup{font-size:12px}}


/* =========================================================
   Reading V3 — ultra-smooth page turning
   ========================================================= */

/* Keep the flip on the GPU and avoid expensive repaints. */
.reader-stage{
  contain:paint;
}

.page-shell,
.book-frame,
.page-surface,
.page-surface img{
  transform:translateZ(0);
  -webkit-transform:translateZ(0);
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
}

.page-surface{
  will-change:transform;
  contain:layout paint;
}

.page-surface img{
  image-rendering:auto;
}

/* mix-blend-mode is expensive during a 3D transform, so use a normal shade. */
.turn-shade{
  mix-blend-mode:normal !important;
  background:linear-gradient(
    90deg,
    rgba(0,0,0,.34),
    rgba(255,255,255,.08) 48%,
    rgba(0,0,0,0) 76%
  ) !important;
}

/* Make drag feel immediate. */
.page-surface.dragging{
  transition:none !important;
}

.reader-progress div{
  transition:width .16s ease;
}


/* =========================================================
   Reading V4 — smoother continuous flip
   ========================================================= */

.book-frame{
  isolation:isolate;
}

.smooth-flip-layer{
  position:absolute;
  z-index:30;
  pointer-events:none;
  transform-style:preserve-3d;
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
  will-change:transform;
  contain:layout paint;
}

.smooth-flip-layer img{
  width:100%;
  height:100%;
  display:block;
  object-fit:contain;
  border-radius:9px;
  background:#fff;
  pointer-events:none;
  user-select:none;
  -webkit-user-drag:none;
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
  transform:translateZ(.01px);
  box-shadow:0 18px 46px rgba(0,0,0,.28);
}

/* Keep the page underneath already composed on the GPU. */
.page-surface,
.page-surface img{
  will-change:transform;
  transform:translateZ(0);
}

/* Slightly lighter shadow while moving = less paint cost, same page quality. */
.page-surface.dragging img{
  box-shadow:0 18px 48px rgba(0,0,0,.30);
}


/* Beginner 20 library - final polish */
.book-grid{align-items:start}
.cover-wrap{aspect-ratio:2/3;background:#e9e3d9}
.cover-wrap img{width:100%;height:100%;object-fit:cover}
.book-meta h3{direction:ltr;text-align:left;line-height:1.35;min-height:2.7em}
.translation-popup .translation-text{font-weight:800;line-height:1.75;color:#173457}
\n/* V7 - beginner + intermediate library */\n.book-card{content-visibility:auto;contain-intrinsic-size:360px 240px}\n

/* V8 - Advanced library is now active. */
.reading-level-card[data-level="advanced"].active{
  border-color:#d6c39f;
  box-shadow:0 18px 45px rgba(14,38,69,.09);
  transform:translateY(-5px);
}

/* =========================================================
   Reading — lower pattern section
   ========================================================= */

.reading-method{
  margin-top:46px;
  padding:34px 36px 28px;
  background:rgba(239,234,225,.82);
  border:1px solid #e1d8ca;
  border-radius:28px;
}

.reading-method-head{
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:44px;
  align-items:end;
  margin-bottom:24px;
}

.reading-method-kicker{
  display:block;
  color:var(--read-gold);
  font-size:11px;
  font-weight:900;
  letter-spacing:.03em;
  margin-bottom:7px;
}

.reading-method-head h2{
  margin:0;
  color:var(--read-ink);
  font-size:clamp(27px,3vw,38px);
  line-height:1.25;
  letter-spacing:-.025em;
}

.reading-method-head > p{
  margin:0;
  color:var(--read-muted);
  font-size:13px;
  line-height:1.9;
}

.reading-method-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:13px;
}

.reading-method-card{
  min-height:174px;
  padding:21px 20px 19px;
  background:#fff;
  border:1px solid #e7dfd3;
  border-radius:18px;
  box-shadow:0 6px 18px rgba(13,49,95,.035);
}

.reading-method-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
}

.reading-method-number{
  direction:ltr;
  color:#c29d5f;
  font-size:10px;
  font-weight:900;
  letter-spacing:.08em;
}

.reading-method-icon{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  color:var(--read-navy);
  background:#f7f2e9;
  border:1px solid #e8decc;
  border-radius:10px;
}

.reading-method-icon svg{
  width:19px;
  height:19px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.65;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.reading-method-card h3{
  margin:18px 0 7px;
  color:var(--read-ink);
  font-size:16px;
  font-weight:900;
}

.reading-method-card p{
  margin:0;
  color:var(--read-muted);
  font-size:12px;
  line-height:1.85;
}

@media(max-width:950px){
  .reading-method-grid{
    grid-template-columns:1fr;
  }
}

@media(max-width:700px){
  .reading-method{
    margin-top:34px;
    padding:26px 18px 20px;
    border-radius:22px;
  }

  .reading-method-head{
    grid-template-columns:1fr;
    gap:10px;
  }

  .reading-method-head h2{
    font-size:28px;
  }
}