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(min-width:700px){.app-shell{padding-top:24px}.quick-nav{grid-template-columns:repeat(4,minmax(70px,1fr))}}#playPauseBtn,#resetScrollBtn{width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;font-size:1.1rem}.practice-extra-btn:hover{background:var(--primary);color:#fff}.badge-success{padding:2px 8px;border-radius:999px;font-size:.7rem;font-weight:600}#markDoneBtn:disabled{opacity:.6;cursor:not-allowed}:root{--bg:#f4f1ff;--surface-soft:#f8f6ff;--primary:#6f42c1;--primary-dark:#562fa5;--accent:#a98cff;--text:#211634;--muted:#6d6481;--danger:#d83a5a;--success:#2a9d66;--radius-lg:20px;--radius-md:14px;--shadow:0 10px 30px rgba(77, 36, 145, 0.18)}.btn,.input{border-radius:12px}.input:focus{box-shadow:0 0 0 3px rgba(111,66,193,.15)}.btn-primary{background:linear-gradient(120deg,var(--primary) 0,#8d62ea 100%);box-shadow:0 8px 20px rgba(111,66,193,.35)}.btn-outline{border:1px solid #dfd2ff;color:var(--primary)}.profile-chip{display:grid;place-items:center;flex-shrink:0}.quick-nav{margin-top:14px;display:grid;grid-template-columns:repeat(4,1fr)}.pill-link{background:var(--surface);border-radius:var(--radius-md);box-shadow:0 8px 22px rgba(45,28,84,.1);overflow:hidden}.bottom-nav{box-shadow:0 12px 30px rgba(58,32,108,.24);display:grid;grid-template-columns:repeat(5,1fr)}.nav-link{color:#7d7198}.brand p,.tab-btn{color:var(--muted)}.nav-link.active{color:var(--primary);background:#f2ecff}.tab-btn{background:#fff;overflow:hidden}.tab-btn.active{background:var(--primary)}@keyframes fade-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.scroll-box{border:1px solid #e4dbfd;border-radius:14px;background:#fff;-webkit-overflow-scrolling:touch}.list-item,.video-wrap{border-radius:14px}.bottom-nav,.btn-primary,.profile-chip,.progress,.progress>div,.topbar 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rgba(98,63,178,.36);flex-shrink:0}.badge-success{background:#dcf7ea}.list-item{background:var(--surface)}.chip{background:#f0e8ff;color:#4f2c90}.books-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.book{border-radius:12px}.book:active,.btn:active{transform:scale(.97)}.status{border-radius:8px}.status.error{background:#ffe6e9}.status.success{background:#e0f7e9}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);box-shadow:0 2px 6px rgba(111,66,193,.3)}.task-meta:has(+ .task-meta){display:none}@media (max-width:350px){.app-shell{padding:12px 12px 92px}.pill-link{font-size:.65rem}.nav-link{font-size:.6rem}.nav-link span{font-size:1rem}}@media (hover:none) and (pointer:coarse){.btn,.nav-link,.pill-link,.tab-btn{cursor:default}input,select,textarea{font-size:16px}}.btn,.mic-btn,.tab-btn{-webkit-tap-highlight-color:transparent;touch-action:manipulation;cursor:pointer}:root{--bg:#f8f7ff;--surface-soft:#f0ebff;--primary:#6d28d9;--primary-light:#8b5cf6;--primary-dark:#5b21b6;--secondary:#ec4899;--accent:#a78bfa;--text:#1f1a36;--text-light:#4c455e;--muted:#787191;--danger:#ef4444;--success:#10b981;--warning:#f59e0b;--info:#3b82f6;--radius-lg:24px;--radius-md:16px;--radius-sm:12px;--shadow-sm:0 2px 8px rgba(99, 58, 158, 0.08);--shadow-md:0 8px 24px rgba(99, 58, 158, 0.12);--shadow-lg:0 16px 32px rgba(99, 58, 158, 0.16);--gradient-primary:linear-gradient(135deg, #6d28d9 0%, #8b5cf6 100%);--gradient-secondary:linear-gradient(135deg, #ec4899 0%, #f97316 100%);--gradient-success:linear-gradient(135deg, #10b981 0%, #34d399 100%)}body{width:100%;max-width:100vw}.app-shell{padding:20px 20px 92px}.auth-shell{display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#f5f3ff 0,#ede9fe 100%)}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:20px;width:100%;margin-bottom:20px;transition:transform .2s,box-shadow .2s;border:1px solid rgba(109,40,217,.08)}.btn,.input{font-size:16px;transition:.2s;font-family:Inter,sans-serif;width:100%}.card:active{transform:scale(.99);box-shadow:var(--shadow-sm)}.auth-card{width:100%;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-radius:32px;box-shadow:var(--shadow-lg);padding:32px 24px;border:1px solid rgba(255,255,255,.5)}.brand{margin-bottom:24px}.brand h1{margin:8px 0 4px;font-size:2rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.btn,.field label{letter-spacing:.3px}.brand p{margin:0;font-size:.95rem;font-weight:500}.field{display:grid;gap:8px;margin-bottom:20px;width:100%}.field label{font-weight:600;font-size:.9rem;color:var(--text-light)}.btn,.topbar h2{font-weight:700}.input{border:2px solid #e9e5f5;border-radius:var(--radius-md);padding:16px 18px;outline:0;background:#fff}.input:focus{box-shadow:0 0 0 4px rgba(109,40,217,.1)}.input::placeholder{color:#b7b0cb;font-weight:400}.btn{border:0;border-radius:var(--radius-md);padding:16px 20px}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 8px 20px rgba(109,40,217,.3)}.btn-primary::after{width:100%;height:100%;background:linear-gradient(rgba(255,255,255,.2),rgba(255,255,255,0));opacity:0;transition:opacity .2s}.btn-primary:active::after{opacity:1}.btn-outline{background:#fff;border:2px solid var(--primary-light);color:var(--primary);font-weight:600}.btn-outline:hover{background:var(--surface-soft)}.btn-danger{background:linear-gradient(135deg,#ef4444 0,#f97316 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.2s}.book,.icon-btn,.list-item,.mic-btn,.nav-link,.pill-link,.tab-btn{transition:.2s}.profile-chip:active{transform:scale(.95)}.profile-chip img{width:100%;height:100%;object-fit:cover}.quick-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:100%;margin-bottom:20px}.pill-link{background:var(--surface);border-radius:20px;padding:14px 4px;font-size:.75rem;font-weight:600;box-shadow:var(--shadow-sm);color:var(--text-light);border:1px solid rgba(109,40,217,.1);backdrop-filter:blur(5px)}.pill-link:active{transform:translateY(-2px);border-color:transparent}.pill-link span{display:block;font-size:1.4rem;margin-bottom:4px}.section-title{margin:0 0 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32px);max-width:400px;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-radius:32px;box-shadow:var(--shadow-lg);grid-template-columns:repeat(5,1fr);z-index:20;padding:6px 4px;border:1px solid rgba(255,255,255,.5)}.nav-link{padding:10px 2px;font-size:.7rem;font-weight:600;border-radius:24px;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.nav-link span{display:block;font-size:1.2rem;margin-bottom:2px}.nav-link.active{color:var(--primary);background:var(--surface-soft);transform:translateY(-2px)}.tabs{grid-template-columns:1fr 1fr;gap:8px;margin:0 0 20px;width:100%}.tab-btn{border:1px solid rgba(109,40,217,.1);background:var(--surface);border-radius:30px;padding:14px 8px;font-weight:700;font-size:.9rem;box-shadow:var(--shadow-sm)}.scroll-box,.scroll-controls{width:100%;background:var(--surface-soft);margin:16px 0}.tab-btn.active{background:var(--gradient-primary);color:#fff;box-shadow:0 8px 16px 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var(--primary-light)}.icon-btn:active{background:var(--primary-light);color:#fff;transform:scale(.95)}.speed-control{flex:1;min-width:140px;display:flex;align-items:center;gap:10px}.speed-control label{font-size:.85rem;font-weight:600;color:var(--text-light);white-space:nowrap}.badge,.book div,.mark-btn{font-weight:700}.speed-control input{flex:1;height:48px}.action-buttons{display:flex;gap:12px;margin:16px 0;width:100%}.mark-btn{flex:1;background:var(--gradient-success);color:#fff;border:none;letter-spacing:.5px;box-shadow:0 8px 16px rgba(16,185,129,.3)}.mic-btn{width:60px;height:60px;border-radius:50%;border:0;color:#fff;font-size:1.5rem;background:var(--gradient-secondary);box-shadow:0 8px 20px rgba(236,72,153,.4);flex-shrink:0}.mic-btn:active{transform:scale(.9);box-shadow:0 4px 12px rgba(236,72,153,.5)}.badge{display:inline-block;border-radius:999px;padding:6px 14px;font-size:.75rem;letter-spacing:.3px}.badge-success{background:linear-gradient(135deg,#d1fae5 0,#a7f3d0 100%);color:#065f46;border:1px solid #10b981}.list-item{background:var(--surface);border:1px solid #f0e9ff;border-radius:var(--radius-md);padding:16px;width:100%;font-size:.95rem;line-height:1.5;box-shadow:var(--shadow-sm);font-weight:500}.book,.video-wrap{border-radius:var(--radius-md);overflow:hidden}.chip,.status{font-weight:600}.list-item:active{transform:translateX(4px);box-shadow:var(--shadow-md)}.video-wrap{width:100%;position:relative;background:#000;margin:12px 0;box-shadow:var(--shadow-md)}.book,.chip{box-shadow:var(--shadow-sm)}.video-wrap iframe{display:block;width:100%;aspect-ratio:16/9;border:0}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;width:100%}.chip{background:linear-gradient(135deg,#f5f3ff 0,#ede9fe 100%);color:var(--primary-dark);border-radius:999px;padding:8px 16px;font-size:.85rem;border:1px solid var(--primary-light)}.books-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%;margin-top:12px}.book{background:#fff;border:1px solid #f0e9ff;font-size:.75rem}.book:active{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.book img{width:100%;aspect-ratio:3/4;object-fit:cover;display:block}.book div{padding:10px 4px;color:var(--text);background:linear-gradient(135deg,#fff 0,#faf9ff 100%);overflow:hidden}.status{margin-top:16px;font-size:.95rem;padding:12px 16px;border-radius:var(--radius-md);width:100%;animation:.3s fade-in}.status.error{color:#991b1b;background:linear-gradient(135deg,#fee2e2 0,#fecaca 100%);border-left:4px solid #ef4444}.status.success{color:#065f46;background:linear-gradient(135deg,#d1fae5 0,#a7f3d0 100%);border-left:4px solid #10b981}input[type=range]{height:48px;background:0 0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;height:24px;width:24px;border-radius:50%;background:var(--primary);cursor:pointer;margin-top:-10px;box-shadow:0 2px 8px rgba(109,40,217,.4);border:2px solid #fff}input[type=range]::-webkit-slider-runnable-track{width:100%;height:4px;background:#e0d9f0;border-radius:2px}.profile-header{display:flex;gap:16px;align-items:center;margin-bottom:20px;padding:16px;background:linear-gradient(135deg,#f5f3ff 0,#f0ebff 100%);border-radius:var(--radius-lg)}.profile-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid #fff;box-shadow:var(--shadow-md)}.profile-name{font-size:1.3rem;font-weight:800;color:var(--text);margin-bottom:4px}.profile-email{color:var(--muted);font-size:.9rem;font-weight:500}@media (max-width:350px){.app-shell{padding:16px 16px 92px}.pill-link{font-size:.65rem;padding:12px 2px}.pill-link span{font-size:1.2rem}.nav-link{font-size:.6rem}.nav-link span{font-size:1rem}.brand h1{font-size:1.8rem}}@media (hover:none) and (pointer:coarse){.book,.btn,.nav-link,.pill-link,.tab-btn{cursor:default}input,select,textarea{font-size:16px}.btn:active,.nav-link:active,.pill-link:active{transform:scale(.97)}}.loading{position:relative;overflow:hidden}.loading::after{width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:1.5s infinite loading-shimmer}@keyframes loading-shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}.empty-state{padding:40px 20px;color:var(--muted);font-size:.95rem;background:var(--surface-soft);border-radius:var(--radius-lg);border:2px dashed #d8d0e8}.empty-state span{font-size:3rem;display:block;margin-bottom:12px;opacity:.5}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}.pulse{animation:2s infinite pulse}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}.bounce{animation:2s infinite bounce}
.done-tick{
  background:#bbf7d0;
  color:#15803d;
  padding:4px 10px;
  border-radius:20px;
  font-weight:700;
}


.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}.translator-chip{width:44px;height:44px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background:rgba(255,255,255,.2);color:#fff;display:grid;place-items:center;font-size:1.1rem;cursor:pointer;flex-shrink:0}.translator-chip:active{transform:scale(.95)}.translator-overlay{position:fixed;inset:0;background:rgba(20,16,35,.45);z-index:120;display:none;align-items:center;justify-content:center;padding:16px}.translator-overlay.active{display:flex}.translator-modal{width:min(420px,100%);max-height:90vh;overflow:auto;background:var(--surface);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-lg)}
 .book-reader-overlay{position:fixed;inset:0;background:rgba(20,16,35,.55);z-index:130;display:none;align-items:center;justify-content:center;padding:12px}.book-reader-overlay.active{display:flex}.book-reader-modal{width:min(760px,100%);height:min(92vh,760px);background:var(--surface);border-radius:var(--radius-lg);padding:12px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:10px}.book-reader-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.book-reader-frame-wrap{flex:1;min-height:320px;border:1px solid #e9e5f5;border-radius:12px;overflow:hidden;background:#fff}.book-reader-frame-wrap iframe{width:100%;height:100%;border:0}.book-reader-controls{display:flex;justify-content:flex-end}
@media (max-width:430px){.app-shell{padding:14px 12px 96px}.card{padding:14px}.topbar{padding:10px 12px;border-radius:20px;gap:8px}.topbar-left{max-width:calc(100% - 52px);gap:8px}.topbar h1,.topbar h2{font-size:1rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.translator-chip,.profile-chip{width:38px;height:38px}.quick-nav{grid-template-columns:repeat(2,1fr);gap:8px}.pill-link{padding:12px 4px;font-size:.7rem}.tabs{gap:6px}.tab-btn{padding:12px 6px;font-size:.78rem}.bottom-nav{width:calc(100% - 16px);bottom:8px;border-radius:20px;padding:4px 2px}.nav-link{padding:8px 1px;font-size:.58rem}.nav-link span{font-size:1rem}.profile-header{flex-direction:column;align-items:flex-start;gap:12px}.profile-avatar{width:64px;height:64px}.profile-name{font-size:1.05rem}.books-grid{grid-template-columns:repeat(2,1fr)}#editProfileBtn{margin-left:0!important}.translator-modal{padding:12px;border-radius:16px}}
@media (max-width:430px){.bottom-nav{left:8px;right:8px;transform:none;width:auto;max-width:none}.nav-link{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
.book-reader-overlay{overflow:hidden}
.book-reader-modal{max-width:min(760px,100vw - 20px);max-height:min(92dvh,760px);overflow:hidden}
.book-reader-header{min-width:0}
.book-reader-header .section-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70%}
.book-reader-frame-wrap{width:100%;overflow:hidden}
.book-reader-frame-wrap iframe{width:100%;height:100%;display:block;overflow:hidden}
.book-reader-controls .btn{width:auto;min-width:140px}

@media (max-width:768px){
  .book-reader-overlay{padding:8px}
  .book-reader-modal{width:100%;height:90dvh;border-radius:16px;padding:10px;gap:8px}
  .book-reader-frame-wrap{min-height:0;flex:1}
  .book-reader-header .section-title{max-width:64%;font-size:1rem}
}

@media (max-width:430px){
  .book-reader-overlay{padding:6px}
  .book-reader-modal{width:100%;height:88dvh;max-height:88dvh;padding:8px;border-radius:14px}
  .book-reader-header{gap:6px}
  .book-reader-header .section-title{font-size:.95rem;max-width:62%}
  .book-reader-header #closeBookReaderBtn{padding:8px 10px!important;font-size:.82rem}
  #bookReaderStatus{font-size:.82rem;margin:4px 0 8px!important}
  .book-reader-controls{justify-content:stretch}
  .book-reader-controls .btn{width:100%;min-width:0;padding:12px}
}
.book-reader-frame-wrap{display:flex;align-items:flex-start;justify-content:center;overflow:auto}
#bookReaderCanvas{display:block;max-width:100%;height:auto;background:#fff}
.book-reader-controls{gap:8px}
.book-reader-controls .btn{width:auto;min-width:128px}

@media (max-width:430px){
  .book-reader-frame-wrap{overflow:auto;-webkit-overflow-scrolling:touch}
  #bookReaderCanvas{width:100%;max-width:100%;height:auto}
  .book-reader-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .book-reader-controls .btn{width:100%;min-width:0}
}
#bookReaderFrame,#bookReaderFallbackFrame{width:100%;height:100%;border:0;background:#fff}

.translator-result-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.translator-result-head label{margin:0}.translator-speak-btn{width:38px;height:38px;border:1px solid #dfd2ff;border-radius:10px;background:#fff;color:var(--primary);display:grid;place-items:center;font-size:1rem;line-height:1;cursor:pointer;flex-shrink:0}.translator-speak-btn:active{transform:scale(.96);background:var(--surface-soft)}

.profile-actions{display:flex;justify-content:space-between;align-items:center;gap:10px}
#editProfileBtn.profile-edit-btn{width:auto;min-height:38px;padding:8px 12px;font-size:.78rem;line-height:1.1;margin-left:0;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
@media (max-width:430px){#editProfileBtn.profile-edit-btn{min-height:36px;padding:8px 10px;font-size:.74rem}}
@media (min-width:768px){#editProfileBtn.profile-edit-btn{min-height:40px;padding:9px 14px;font-size:.8rem}}

/* Compact translator layout (scoped, does not affect other pages/components) */
.translator-modal{
  width:min(360px,calc(100vw - 28px));
  max-width:360px;
  max-height:min(80vh,620px);
  padding:12px 12px 10px;
  margin:0 auto;
}
.translator-modal .section-title{
  margin:0 0 10px;
  font-size:1.02rem;
}
.translator-modal .field{
  gap:6px;
  margin-bottom:10px;
}
.translator-modal .field label{
  font-size:.8rem;
}
.translator-modal .input,
.translator-modal select.input,
.translator-modal textarea.input{
  font-size:14px;
  padding:10px 12px;
  border-radius:10px;
}
.translator-modal select.input{
  min-height:40px;
}
.translator-modal textarea.input{
  min-height:90px;
  line-height:1.4;
}
.translator-modal .btn{
  min-height:40px;
  padding:10px 12px;
  font-size:.88rem;
}
.translator-modal .translator-speak-btn{
  width:34px;
  height:34px;
  font-size:.92rem;
}
.translator-modal .translator-result-head{
  gap:8px;
}
.translator-modal #translatorStatus{
  margin-top:10px;
  padding:8px 10px;
  font-size:.82rem;
}
@media (max-width:430px){
  .translator-modal{
    width:min(340px,calc(100vw - 20px));
    max-height:78vh;
    padding:10px 10px 8px;
  }
  .translator-modal .input,
  .translator-modal select.input,
  .translator-modal textarea.input{
    font-size:14px;
    padding:9px 10px;
  }
  .translator-modal .btn{
    min-height:38px;
    padding:9px 10px;
    font-size:.84rem;
  }
}