@import"https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800;900&display=swap";:root{--navy-darkest: #07121e;--navy-dark: #0f2137;--navy-surface: #172b4d;--navy-border: #1e3a5f;--navy-light: #2d4369;--teal-primary: #0891b2;--teal-light: #06b6d4;--teal-accent: #22d3ee;--teal-soft: #e0f2fe;--teal-soft-border: #bae6fd;--teal-hover: #0e7490;--teal-glow: rgba(6, 182, 212, .25);--bg-app: #f8fafc;--bg-surface: #ffffff;--bg-surface-warm: #fffdfa;--border-subtle: #e2e8f0;--border-focus: #0891b2;--text-main: #0f2137;--text-muted: #475569;--text-light: #64748b;--text-inverse: #ffffff;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--shadow-sm: 0 2px 4px rgba(15, 33, 55, .04);--shadow-md: 0 6px 16px -2px rgba(15, 33, 55, .08);--shadow-lg: 0 12px 28px -4px rgba(15, 33, 55, .12);--shadow-glow: 0 0 20px rgba(8, 145, 178, .35);--font-family: "Lexend", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--transition-fast: .15s ease;--transition-smooth: .25s cubic-bezier(.16, 1, .3, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}[hidden],.reader-view[hidden],.bookshelf-view[hidden],.spinner-overlay[hidden],.modal-backdrop[hidden],.offline-banner[hidden],.narration-banner[hidden]{display:none!important;visibility:hidden!important;pointer-events:none!important}html,body{width:100%;height:100%;font-family:var(--font-family);background-color:var(--bg-app);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}#app{min-height:100vh;display:flex;flex-direction:column}.site-header{position:sticky;top:0;z-index:40;background-color:var(--navy-dark);color:var(--text-inverse);box-shadow:0 4px 18px #0a121e40;border-bottom:2px solid var(--navy-border)}.header-inner{max-width:1200px;margin:0 auto;padding:.85rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand-group{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:inherit;transition:opacity var(--transition-fast)}.brand-group:hover{opacity:.95}.brand-logo-badge{width:44px;height:44px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--teal-light),var(--teal-primary));display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px #06b6d44d;color:#fff;flex-shrink:0}.brand-logo-badge svg{width:26px;height:26px}.brand-titles{display:flex;flex-direction:column;line-height:1.15}.brand-name{font-size:1.2rem;font-weight:800;letter-spacing:-.02em;color:#fff}.brand-subtitle{font-size:.75rem;font-weight:500;color:var(--teal-accent);letter-spacing:.05em;text-transform:uppercase}.header-nav{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap}.nav-btn{display:inline-flex;align-items:center;gap:.45rem;padding:.55rem .95rem;font-size:.875rem;font-weight:600;font-family:inherit;border-radius:var(--radius-full);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:all var(--transition-fast);white-space:nowrap;min-height:40px}.nav-btn svg{width:17px;height:17px;flex-shrink:0}.nav-btn-decoding{background:linear-gradient(135deg,#0ea5e9,#06b6d4);color:#fff;box-shadow:0 4px 12px #06b6d459;font-weight:700}.nav-btn-decoding:hover{background:linear-gradient(135deg,#0284c7,#0891b2);transform:translateY(-1px);box-shadow:0 6px 16px #06b6d473}.nav-btn-home{background-color:var(--navy-surface);color:#e2e8f0;border-color:var(--navy-border)}.nav-btn-home:hover{background-color:var(--navy-light);color:#fff;border-color:var(--teal-primary)}.nav-btn-install{background-color:#fff;color:var(--navy-dark);font-weight:700;box-shadow:var(--shadow-sm)}.nav-btn-install:hover{background-color:var(--teal-soft);color:var(--teal-hover)}.view-container{flex:1;display:flex;flex-direction:column}.bookshelf-view{max-width:1200px;margin:0 auto;width:100%;padding:2rem 1.25rem 3.5rem}.bookshelf-layout{display:grid;grid-template-columns:340px 1fr;gap:2.25rem;align-items:start}.bookshelf-sidebar{display:flex;flex-direction:column;align-self:start;position:sticky;top:1.5rem}.bookshelf-hero{background:linear-gradient(135deg,var(--navy-dark),var(--navy-surface));color:#fff;border-radius:var(--radius-xl);padding:2.25rem 1.75rem;box-shadow:var(--shadow-md);position:relative;overflow:hidden;border:1px solid var(--navy-border);display:flex;flex-direction:column;justify-content:flex-start;height:auto}.bookshelf-hero:after{content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;background:radial-gradient(circle,var(--teal-light) 0%,transparent 70%);opacity:.18;border-radius:50%;pointer-events:none}.hero-content{display:flex;flex-direction:column}.hero-tag{display:inline-flex;align-items:center;align-self:flex-start;gap:.4rem;background-color:#06b6d426;color:var(--teal-accent);padding:.35rem .85rem;border-radius:var(--radius-full);font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:.85rem;border:1px solid rgba(34,211,238,.25)}.hero-tag svg{width:15px;height:15px}.hero-title{font-size:2.15rem;font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:.85rem}.hero-description{font-size:1.05rem;color:#cbd5e1;line-height:1.6;font-weight:400}.bookshelf-toolbar{display:flex;flex-direction:column;gap:.75rem;margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.12);align-items:flex-start}.bookshelf-main{display:flex;flex-direction:column;min-width:0}.refresh-library-btn{display:inline-flex;align-items:center;gap:.55rem;padding:.65rem 1.35rem;font-size:.9rem;font-weight:700;font-family:inherit;color:#fff;background-color:var(--navy-dark);border:2px solid var(--navy-border);border-radius:var(--radius-full);cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast);min-height:44px}.refresh-library-btn svg{width:17px;height:17px;stroke:var(--teal-accent);transition:transform .3s ease}.refresh-library-btn:hover{background-color:var(--navy-surface);border-color:var(--teal-primary);color:#fff;transform:translateY(-2px);box-shadow:0 4px 14px #0891b240}.refresh-library-btn:hover svg{transform:rotate(90deg)}.refresh-library-btn:focus-visible{outline:3px solid var(--teal-light);outline-offset:2px}.refresh-library-btn.is-refreshing{opacity:.85;cursor:wait;pointer-events:none}.refresh-library-btn.is-refreshing svg{animation:spinRefresh .8s linear infinite}@keyframes spinRefresh{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.library-badge-pill{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .95rem;border-radius:var(--radius-full);font-size:.85rem;font-weight:700;background-color:#ecfdf5;color:#047857;border:1px solid #a7f3d0;box-shadow:var(--shadow-sm)}.library-badge-pill svg{width:16px;height:16px;color:#10b981}.companion-app-card{margin-top:1.25rem;background:linear-gradient(145deg,#0f2137f2,#082f49e6);border:1px solid rgba(14,165,233,.35);border-radius:var(--radius-xl);padding:1.45rem 1.35rem;box-shadow:0 4px 18px #00000040;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:all var(--transition-fast)}.companion-app-card:before{content:"";position:absolute;top:-30px;right:-30px;width:140px;height:140px;background:radial-gradient(circle,rgba(14,165,233,.25) 0%,transparent 70%);border-radius:50%;pointer-events:none}.companion-app-card:hover{border-color:#38bdf899;transform:translateY(-2px);box-shadow:0 8px 24px #0ea5e933}.companion-badge{display:inline-flex;align-items:center;gap:.35rem;background-color:#0ea5e92e;color:#38bdf8;padding:.25rem .65rem;border-radius:var(--radius-full);font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;border:1px solid rgba(56,189,248,.25)}.companion-badge svg{width:12px;height:12px}.companion-card-title{font-size:1.15rem;font-weight:800;color:#fff;margin-top:.65rem;margin-bottom:.35rem}.companion-card-desc{font-size:.86rem;color:#cbd5e1;line-height:1.45;margin-bottom:1.15rem}.companion-card-btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;background:linear-gradient(135deg,#0ea5e9,#06b6d4);color:#fff!important;font-weight:700;font-size:.88rem;padding:.65rem 1.25rem;border-radius:var(--radius-full);text-decoration:none;box-shadow:0 4px 14px #06b6d459;transition:all var(--transition-fast);width:100%}.companion-card-btn svg{width:16px;height:16px;flex-shrink:0}.companion-card-btn .external-icon{width:14px;height:14px;opacity:.8}.companion-card-btn:hover{background:linear-gradient(135deg,#0284c7,#0891b2);transform:translateY(-1px);box-shadow:0 6px 18px #06b6d480}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;gap:1rem;flex-wrap:wrap}.section-title{font-size:1.45rem;font-weight:800;color:var(--navy-dark);display:flex;align-items:center;gap:.65rem}.book-count-badge{font-size:.82rem;font-weight:700;background-color:var(--teal-soft);color:var(--teal-primary);padding:.2rem .65rem;border-radius:var(--radius-full);border:1px solid var(--teal-soft-border)}.reading-progress-summary{font-size:.85rem;font-weight:600;color:var(--text-muted)}.level-filter-bar{display:flex;align-items:center;flex-wrap:wrap;gap:.65rem;margin-bottom:2rem;padding:.55rem .75rem;background-color:#fff;border:2px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm)}.level-filter-btn{display:inline-flex;align-items:center;gap:.55rem;padding:.55rem 1.15rem;border-radius:var(--radius-full);font-family:inherit;font-size:.88rem;font-weight:700;color:var(--navy-dark);background:transparent;border:2px solid transparent;cursor:pointer;white-space:nowrap;transition:all var(--transition-fast);outline:none}.level-filter-btn:hover{background-color:#0891b214;border-color:var(--teal-soft-border);color:var(--teal-hover)}.level-filter-btn:focus-visible{outline:3px solid var(--teal-light);outline-offset:2px}.level-filter-btn.is-active{background:linear-gradient(135deg,var(--navy-dark),var(--navy-surface));color:#fff;border-color:var(--teal-primary);box-shadow:0 4px 14px #0891b247}.level-filter-label{line-height:1}.level-filter-count{font-size:.76rem;font-weight:800;padding:.15rem .55rem;border-radius:var(--radius-full);background-color:#0f213714;color:var(--navy-dark);line-height:1.2;transition:all var(--transition-fast)}.level-filter-btn.is-active .level-filter-count{background-color:var(--teal-primary);color:#fff;box-shadow:0 2px 6px #0003}.books-container{display:flex;flex-direction:column;gap:2.75rem}.library-level-group{display:flex;flex-direction:column}.level-group-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.35rem;padding:1.1rem 1.4rem;background:linear-gradient(135deg,#fff,#f8fafc);border:2px solid var(--border-subtle);border-left:6px solid var(--teal-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-wrap:wrap}.level-group-title-col{display:flex;flex-direction:column;gap:.25rem}.level-group-title-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.level-group-icon{width:32px;height:32px;border-radius:8px;background-color:var(--teal-soft);color:var(--teal-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.level-group-icon svg{width:18px;height:18px}.level-group-title{font-size:1.35rem;font-weight:800;color:var(--navy-dark);letter-spacing:-.01em}.level-group-badge{font-size:.78rem;font-weight:700;background-color:var(--teal-soft);color:var(--teal-primary);padding:.2rem .65rem;border-radius:var(--radius-full);border:1px solid var(--teal-soft-border)}.level-group-subtitle{font-size:.88rem;color:var(--text-muted);font-weight:400;margin-left:2.75rem;line-height:1.5}.level-group-subtitle a{color:var(--teal-primary);text-decoration:underline;text-underline-offset:2px;font-weight:500;transition:color .15s ease;word-break:break-all}.level-group-subtitle a:hover{color:var(--teal-dark)}.level-sequence-pill{display:inline-flex;align-items:center;gap:.45rem;padding:.4rem .85rem;border-radius:var(--radius-full);font-size:.8rem;font-weight:700;background-color:#f1f5f9;color:var(--text-muted);border:1px solid #e2e8f0;white-space:nowrap}.level-sequence-pill svg{width:15px;height:15px;color:var(--teal-primary)}.book-order-badge{position:absolute;top:10px;left:10px;z-index:2;background:linear-gradient(135deg,var(--navy-dark),var(--navy-surface));color:#fff;font-size:.8rem;font-weight:800;padding:.25rem .65rem;border-radius:var(--radius-full);box-shadow:0 3px 8px #0003;border:1px solid rgba(255,255,255,.2);letter-spacing:.02em}.empty-library-state{text-align:center;padding:3rem 1.5rem;background-color:#fff;border-radius:var(--radius-lg);border:2px dashed var(--border-subtle);color:var(--text-muted);font-size:1rem}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.85rem}.book-card{background-color:var(--bg-surface);border-radius:var(--radius-lg);border:2px solid var(--border-subtle);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;cursor:pointer;transition:all var(--transition-smooth);text-align:left;outline:none;position:relative}.book-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--teal-light)}.book-card:focus-visible{outline:3px solid var(--teal-light);outline-offset:3px;border-color:var(--teal-primary)}.book-cover-wrap{width:100%;aspect-ratio:16 / 9;background-color:#f8fafc;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;border-bottom:2px solid var(--border-subtle)}.book-cover-img{width:100%;height:100%;object-fit:contain;object-position:center;transition:transform var(--transition-smooth)}.book-card:hover .book-cover-img{transform:scale(1.02)}.book-card-info{padding:1.25rem 1.2rem;display:flex;flex-direction:column;gap:.5rem;background-color:var(--bg-surface);flex:1}.book-card-badge-row{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.book-card-tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--teal-primary);background-color:var(--teal-soft);padding:.2rem .55rem;border-radius:var(--radius-full)}.book-status-pill{font-size:.72rem;font-weight:700;padding:.2rem .55rem;border-radius:var(--radius-full);display:inline-flex;align-items:center;gap:.25rem}.book-status-pill.completed{background-color:#ecfdf5;color:#047857}.book-status-pill.in-progress{background-color:#fef3c7;color:#b45309}.book-card-title{font-size:1.3rem;font-weight:800;color:var(--navy-dark);line-height:1.3}.book-card-desc{font-size:.88rem;color:var(--text-muted);line-height:1.45;font-weight:400}.book-card-action{margin-top:auto;padding-top:.85rem;display:flex;align-items:center;justify-content:space-between;font-size:.85rem;font-weight:700;color:var(--teal-primary);border-top:1px dashed var(--border-subtle)}.tap-to-read-pill{display:inline-flex;align-items:center;gap:.4rem;background-color:var(--teal-soft);color:var(--teal-hover);padding:.4rem .85rem;border-radius:var(--radius-full);font-size:.82rem;font-weight:700;transition:all var(--transition-fast)}.tap-to-read-pill svg{width:15px;height:15px}.book-card:hover .tap-to-read-pill{background-color:var(--teal-primary);color:#fff}.book-pages-count{font-size:.78rem;color:var(--text-light);font-weight:600}.reader-view{display:flex;flex-direction:column;height:100vh;height:100svh;height:100dvh;max-height:100dvh;width:100vw;background-color:#0b1726;position:fixed;top:0;left:0;right:0;bottom:0;z-index:50;overflow:hidden;-webkit-user-select:none;user-select:none}.reader-header{min-height:calc(64px + env(safe-area-inset-top,0px));height:auto;padding-top:env(safe-area-inset-top,0px);padding-left:max(1.25rem,env(safe-area-inset-left,1.25rem));padding-right:max(1.25rem,env(safe-area-inset-right,1.25rem));padding-bottom:.25rem;display:flex;align-items:center;justify-content:space-between;background-color:var(--navy-dark);border-bottom:2px solid var(--navy-border);color:#fff;flex-shrink:0;z-index:20;gap:.75rem;position:relative}.reader-back-btn{display:inline-flex;align-items:center;gap:.5rem;background-color:var(--navy-surface);color:#fff;border:1px solid var(--navy-border);padding:.5rem .95rem;border-radius:var(--radius-full);font-size:.875rem;font-weight:700;cursor:pointer;transition:all var(--transition-fast);min-height:42px;position:relative;z-index:2}.reader-back-btn:hover{background-color:var(--teal-primary);border-color:var(--teal-light);transform:translate(-2px)}.reader-back-btn svg{width:18px;height:18px}.reader-title-group{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;text-align:center;max-width:min(520px,calc(100% - 340px));z-index:1;pointer-events:none}.reader-title-group *{pointer-events:auto}.reader-book-title{font-size:1.15rem;font-weight:800;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.reader-page-pill{font-size:.78rem;font-weight:700;color:var(--teal-accent);background-color:#06b6d426;padding:.15rem .65rem;border-radius:var(--radius-full);margin-top:2px}.reader-header-actions{display:flex;align-items:center;gap:.55rem;margin-left:auto;position:relative;z-index:2}.reader-tool-btn{display:inline-flex;align-items:center;gap:.45rem;background-color:var(--navy-surface);color:#fff;border:1px solid var(--navy-border);padding:.45rem .85rem;border-radius:var(--radius-full);font-size:.82rem;font-weight:700;font-family:inherit;cursor:pointer;transition:all var(--transition-fast);min-height:40px}.reader-tool-btn svg{width:18px;height:18px;stroke:var(--teal-accent)}.reader-tool-btn:hover{background-color:var(--navy-light);border-color:var(--teal-primary);color:var(--teal-accent)}.reader-tool-btn.is-speaking{background:linear-gradient(135deg,#0284c7,var(--teal-primary));border-color:var(--teal-accent);color:#fff;box-shadow:0 0 16px #06b6d473}.reader-tool-btn.is-speaking svg{stroke:#fff;animation:pulseSpeaking 1.2s infinite alternate ease-in-out}.reader-decoding-btn{background:linear-gradient(135deg,#0ea5e9,#06b6d4);color:#fff!important;border:1px solid rgba(255,255,255,.25);box-shadow:0 2px 10px #06b6d459;text-decoration:none;font-weight:700}.reader-decoding-btn svg{stroke:#fff;fill:#ffffff40}.reader-decoding-btn:hover{background:linear-gradient(135deg,#0284c7,#0891b2);color:#fff!important;border-color:#ffffff73;transform:translateY(-1px);box-shadow:0 4px 14px #06b6d473}@keyframes pulseSpeaking{0%{transform:scale(1)}to{transform:scale(1.15)}}.reader-tool-icon-only{padding:.45rem;min-width:40px;justify-content:center}.reader-stage{flex:1;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:1rem}.reader-page-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative}.reader-page-img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:var(--radius-md);box-shadow:0 10px 40px #000000a6;background-color:#fff;transition:opacity .16s ease,transform .2s ease}.reader-page-img.is-loading{opacity:.25}.reader-tap-zone{position:absolute;top:0;bottom:0;width:28%;z-index:15;cursor:pointer;display:flex;align-items:center;-webkit-user-select:none;user-select:none;transition:background var(--transition-fast)}.reader-tap-prev{left:0;justify-content:flex-start;padding-left:1.5rem}.reader-tap-next{right:0;justify-content:flex-end;padding-right:1.5rem}.tap-hint{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:50%;background:#0f213766;color:#fff9;font-size:2rem;line-height:1;opacity:0;transition:opacity var(--transition-fast),transform var(--transition-fast);pointer-events:none}.reader-tap-zone:hover .tap-hint{opacity:1;transform:scale(1.1)}.reader-side-nav{position:absolute;top:50%;transform:translateY(-50%);width:58px;height:58px;border-radius:50%;background-color:#0f2137d9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:2px solid rgba(6,182,212,.4);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-smooth);box-shadow:0 8px 24px #0006;z-index:20}.reader-side-nav:hover:not(:disabled){background-color:var(--teal-primary);border-color:var(--teal-accent);box-shadow:var(--shadow-glow);transform:translateY(-50%) scale(1.08)}.reader-side-nav:disabled{opacity:.25;cursor:not-allowed;pointer-events:none;border-color:#ffffff1a}.reader-side-nav svg{width:28px;height:28px}.reader-nav-prev{left:1.5rem}.reader-nav-next{right:1.5rem}.narration-banner{display:none!important;visibility:hidden!important;pointer-events:none!important}.speaking-indicator{display:flex;align-items:center;gap:3px;height:20px}.speaking-indicator .wave-bar{width:4px;height:16px;background-color:var(--teal-accent);border-radius:2px;animation:waveBarBounce .8s ease-in-out infinite alternate}.speaking-indicator .wave-bar:nth-child(2){animation-delay:.2s;height:20px}.speaking-indicator .wave-bar:nth-child(3){animation-delay:.4s}@keyframes waveBarBounce{0%{transform:scaleY(.4)}to{transform:scaleY(1)}}.narration-text{color:#fff;letter-spacing:.02em;line-height:1.35}.reader-bottom-bar{min-height:auto;height:auto;background-color:var(--navy-dark);border-top:2px solid var(--navy-border);display:flex;flex-direction:column;align-items:center;justify-content:center;padding-top:.65rem;padding-bottom:max(.85rem,env(safe-area-inset-bottom,.85rem));padding-left:max(1.5rem,env(safe-area-inset-left,1.5rem));padding-right:max(1.5rem,env(safe-area-inset-right,1.5rem));flex-shrink:0;z-index:30;gap:.65rem}.reader-nav-row{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:860px;gap:.85rem}.reader-btn-nav{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.95rem;font-weight:700;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);min-height:48px;border:2px solid transparent;-webkit-user-select:none;user-select:none}.reader-btn-prev{background-color:var(--navy-surface);color:#fff;border-color:var(--navy-border)}.reader-btn-prev:hover:not(:disabled){background-color:var(--navy-light);border-color:var(--teal-primary);transform:translate(-2px)}.reader-btn-next{background:linear-gradient(135deg,var(--teal-primary),var(--teal-light));color:#fff;box-shadow:0 4px 14px #06b6d459}.reader-btn-next:hover:not(:disabled){background:linear-gradient(135deg,#0e7490,var(--teal-primary));box-shadow:0 6px 18px #06b6d480;transform:translate(2px)}.reader-decoding-row{display:flex;align-items:center;justify-content:center;width:100%}.reader-decoding-bar-btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;background:linear-gradient(135deg,#0ea5e9,#06b6d4);color:#fff!important;border:1px solid rgba(255,255,255,.25);padding:.5rem 1.45rem;border-radius:var(--radius-full);font-size:.88rem;font-weight:700;text-decoration:none;box-shadow:0 3px 12px #06b6d459;transition:all var(--transition-fast);min-height:40px}.reader-decoding-bar-btn svg{width:16px;height:16px;stroke:#fff;flex-shrink:0}.reader-decoding-bar-btn svg polygon{fill:#ffffff59}.reader-decoding-bar-btn .ext-arrow{width:13px;height:13px;opacity:.85}.reader-decoding-bar-btn:hover{background:linear-gradient(135deg,#0284c7,#0891b2);transform:translateY(-1px);box-shadow:0 6px 18px #06b6d480}.reader-btn-nav:disabled{opacity:.3;cursor:not-allowed;pointer-events:none;box-shadow:none}.reader-btn-nav svg{width:20px;height:20px}.reader-progress-dots{display:flex;align-items:center;justify-content:center;gap:.25rem;flex-wrap:nowrap;max-width:50%;overflow-x:auto;scrollbar-width:none}.reader-progress-counter-pill{color:var(--teal-accent);font-size:.9rem;font-weight:700;padding:.3rem .85rem;background:#0f2137bf;border-radius:var(--radius-full);border:1px solid rgba(6,182,212,.35);letter-spacing:.02em;white-space:nowrap;-webkit-user-select:none;user-select:none}.progress-dot-btn{display:inline-flex;align-items:center;justify-content:center;min-width:36px;min-height:44px;background:none;border:none;cursor:pointer;padding:4px;border-radius:6px}.progress-dot-btn:focus-visible{outline:2px solid var(--teal-accent);outline-offset:1px}.progress-dot{width:10px;height:10px;border-radius:50%;background-color:var(--navy-border);transition:all var(--transition-fast);pointer-events:none}.progress-dot-btn.active .progress-dot{background-color:var(--teal-accent);width:26px;border-radius:var(--radius-full);box-shadow:0 0 10px var(--teal-accent)}.spinner-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-color:#0f2137bf;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.25rem;z-index:30;transition:opacity var(--transition-fast)}.spinner-ring{width:60px;height:60px;border:5px solid rgba(6,182,212,.2);border-top-color:var(--teal-light);border-right-color:var(--teal-accent);border-radius:50%;animation:spin .85s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.spinner-text{font-size:1rem;font-weight:700;color:#fff;letter-spacing:.02em}.celebration-backdrop{z-index:110}.celebration-card{text-align:center;padding:2.5rem 2rem;max-width:480px;border:3px solid var(--teal-light);box-shadow:0 25px 60px #06b6d459}.celebration-badge-wrap{display:flex;align-items:center;justify-content:center;margin-bottom:.75rem}.star-badge{font-size:3.5rem;line-height:1;animation:starPop 1s infinite alternate ease-in-out}@keyframes starPop{0%{transform:scale(1) rotate(-5deg)}to{transform:scale(1.15) 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svg{width:16px;height:16px;stroke:var(--teal-primary)}.voice-settings-card{max-width:480px;width:100%}.voice-settings-body{display:flex;flex-direction:column;gap:1.15rem;margin-bottom:1.5rem}.setting-group{display:flex;flex-direction:column;gap:.35rem}.setting-label{font-size:.88rem;font-weight:700;color:var(--navy-dark)}.setting-label-row{display:flex;align-items:center;justify-content:space-between}.setting-value-badge{font-size:.78rem;font-weight:700;color:var(--teal-primary);background-color:var(--teal-soft);padding:.15rem .55rem;border-radius:var(--radius-full)}.setting-hint{font-size:.78rem;color:var(--text-muted);margin-top:.15rem}.voice-select{width:100%;padding:.65rem .85rem;font-size:.9rem;font-weight:600;font-family:inherit;border-radius:var(--radius-md);border:2px solid var(--border-subtle);background-color:var(--bg-app);color:var(--navy-dark);cursor:pointer;transition:border-color 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#00000059;position:relative;z-index:35}.reader-decoding-row{width:100%;display:flex;align-items:center;justify-content:center}.reader-decoding-bar-btn{width:min(280px,92%);padding:.55rem 1.25rem;font-size:.88rem;font-weight:700;min-height:42px;box-shadow:0 4px 14px #06b6d466;justify-content:center}.reader-decoding-bar-btn span.btn-text{display:inline!important}.reader-stage{padding:.35rem .25rem;min-height:0}.narration-banner{font-size:.92rem;padding:.65rem 1rem;bottom:.85rem}}