.auth-root{background:#0f1923;justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.auth-card{text-align:center;background:#1a2535;border:1px solid #2a3a4a;border-radius:16px;width:100%;max-width:420px;padding:2.5rem}.auth-logo{margin-bottom:1rem}.auth-title{color:#e8d5b7;margin:0 0 .25rem;font-size:1.75rem;font-weight:700}.auth-subtitle{color:#7a9bb5;margin:0 0 2rem;font-size:.9rem}.auth-tabs{background:#0f1923;border-radius:8px;gap:0;margin-bottom:1.75rem;padding:3px;display:flex}.auth-tab{color:#7a9bb5;cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:.5rem;font-size:.9rem;transition:all .2s}.auth-tab.active{color:#e8d5b7;background:#2a3a4a;font-weight:600}.auth-form{text-align:left;flex-direction:column;gap:1rem;display:flex}.auth-field{flex-direction:column;gap:.4rem;display:flex}.auth-field label{color:#7a9bb5;text-transform:uppercase;letter-spacing:.05em;font-size:.8rem;font-weight:600}.auth-field input{color:#e8d5b7;background:#0f1923;border:1px solid #2a3a4a;border-radius:8px;outline:none;padding:.7rem 1rem;font-size:.95rem;transition:border-color .2s}.auth-field input:focus{border-color:#c9a87a}.auth-field input::placeholder{color:#3d5066}.auth-error{color:#f87171;background:#3a1515;border:1px solid #8b2020;border-radius:8px;padding:.6rem .9rem;font-size:.85rem}.auth-success{color:#4ade80;background:#0d2a1a;border:1px solid #166534;border-radius:8px;padding:.6rem .9rem;font-size:.85rem}.auth-submit{color:#0f1923;cursor:pointer;background:#c9a87a;border:none;border-radius:8px;margin-top:.25rem;padding:.75rem;font-size:.95rem;font-weight:700;transition:background .2s}.auth-submit:hover:not(:disabled){background:#e8d5b7}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-footer{color:#3d5066;margin-top:1.5rem;font-size:.78rem;line-height:1.5}.book-card{cursor:pointer;flex-direction:column;gap:.6rem;transition:transform .2s;display:flex}.book-card:hover{transform:translateY(-3px)}.book-cover{aspect-ratio:2/3;background:#1a2535;border:1px solid #2a3a4a;border-radius:8px;position:relative;overflow:hidden;box-shadow:0 4px 12px #0006}.book-cover img{object-fit:cover;width:100%;height:100%}.book-cover-placeholder{background:linear-gradient(135deg,#1a2535 0%,#0f1923 100%);flex-direction:column;justify-content:center;align-items:center;gap:.75rem;width:100%;height:100%;padding:1rem;display:flex}.placeholder-title{color:#7a9bb5;text-align:center;word-break:break-word;-webkit-line-clamp:4;-webkit-box-orient:vertical;font-size:.75rem;line-height:1.3;display:-webkit-box;overflow:hidden}.book-progress-bar{background:#ffffff1a;height:3px;position:absolute;bottom:0;left:0;right:0}.book-progress-fill{background:#c9a87a;height:100%;transition:width .3s}.book-delete-btn{color:#7a9bb5;cursor:pointer;opacity:0;background:#0f1923d9;border:none;border-radius:6px;padding:.35rem;transition:opacity .2s,color .2s;display:flex;position:absolute;top:6px;right:6px}.book-card:hover .book-delete-btn{opacity:1}.book-delete-btn:hover{color:#f87171}.book-info{padding:0 .25rem}.book-title{color:#e8d5b7;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 .2rem;font-size:.82rem;font-weight:600;line-height:1.3;display:-webkit-box;overflow:hidden}.book-author{color:#7a9bb5;white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:.75rem;overflow:hidden}.book-progress-text{color:#c9a87a;margin:.25rem 0 0;font-size:.7rem}.upload-zone{cursor:pointer;color:#7a9bb5;background:#1a2535;border:1.5px dashed #2a3a4a;border-radius:12px;align-items:center;gap:.75rem;padding:1rem 1.5rem;font-size:.9rem;transition:all .2s;display:flex}.upload-zone:hover{color:#c9a87a;background:#1e2e3f;border-color:#c9a87a}.upload-zone.dragging{color:#c9a87a;background:#1e2e3f;border-color:#c9a87a;transform:scale(1.01)}.upload-zone.uploading{cursor:not-allowed;opacity:.7}.upload-zone.at-limit{cursor:not-allowed;color:#e07070;background:#1e1515;border-color:#c0392b44}.upload-zone.at-limit:hover{color:#e07070;background:#1e1515;border-color:#c0392b88}.upload-hint{opacity:.6;margin-left:auto;font-size:.78rem}.upload-spinner{border:2px solid #2a3a4a;border-top-color:#c9a87a;border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.library-root{background:#0f1923;flex-direction:column;min-height:100vh;display:flex}.library-header{z-index:100;background:#1a2535;border-bottom:1px solid #2a3a4a;justify-content:space-between;align-items:center;padding:.9rem 2rem;display:flex;position:sticky;top:0}.library-brand{color:#e8d5b7;align-items:center;gap:.6rem;font-size:1.25rem;font-weight:700;display:flex}.library-header-actions{gap:.5rem;display:flex}.btn-ghost{color:#7a9bb5;cursor:pointer;background:0 0;border:1px solid #2a3a4a;border-radius:8px;align-items:center;gap:.4rem;padding:.5rem .9rem;font-size:.85rem;transition:all .2s;display:flex}.btn-ghost:hover{color:#e8d5b7;background:#2a3a4a}.library-main{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:2rem}.library-loading,.library-empty{text-align:center;color:#7a9bb5;padding:4rem 2rem}.library-empty{flex-direction:column;align-items:center;gap:.5rem;display:flex}.library-empty p{margin:0;font-size:1rem}.library-empty-hint{color:#3d5066!important;font-size:.85rem!important}.library-empty-hint strong{color:#c9a87a}.books-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1.5rem;margin-top:2rem;display:grid}.modal-overlay{z-index:1000;background:#000000b3;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-card{background:#1a2535;border:1px solid #2a3a4a;border-radius:16px;width:100%;max-width:480px;padding:2rem}.modal-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.modal-header h2{color:#e8d5b7;margin:0;font-size:1.2rem}.modal-close{color:#7a9bb5;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:.25rem}.modal-close:hover{color:#e8d5b7}.modal-desc{color:#7a9bb5;margin:0 0 1.5rem;font-size:.9rem;line-height:1.6}.modal-desc strong{color:#e8d5b7}.kindle-email-box{background:#0f1923;border:1px solid #2a3a4a;border-radius:10px;align-items:center;gap:.75rem;margin-bottom:1.5rem;padding:.75rem 1rem;display:flex}.kindle-email-address{color:#c9a87a;word-break:break-all;flex:1;font-family:monospace;font-size:.9rem}.btn-copy{color:#e8d5b7;cursor:pointer;white-space:nowrap;background:#2a3a4a;border:none;border-radius:6px;align-items:center;gap:.35rem;padding:.4rem .75rem;font-size:.8rem;transition:background .2s;display:flex}.btn-copy:hover{background:#3a4a5a}.modal-alert{color:#c9a87a;background:#c9a87a1a;border:1px solid #c9a87a4d;border-radius:8px;align-items:center;gap:.5rem;margin-bottom:1.25rem;padding:.6rem .9rem;font-size:.82rem;display:flex}.modal-alert strong{color:#e8d5b7}.modal-steps{flex-direction:column;gap:.75rem;display:flex}.modal-step{color:#7a9bb5;align-items:center;gap:.75rem;font-size:.88rem;display:flex}.step-num{color:#c9a87a;background:#2a3a4a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:.8rem;font-weight:700;display:flex}@media (width<=600px){.library-header{padding:.75rem 1rem}.library-main{padding:1rem}.books-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:1rem}.btn-ghost span{display:none}}.toc-header{border-bottom:1px solid var(--border);flex-shrink:0;padding:1rem 1.25rem}.toc-book-title{color:var(--text);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 .2rem;font-size:.88rem;font-weight:700;line-height:1.35;display:-webkit-box;overflow:hidden}.toc-book-author{color:var(--text-dim);margin:0;font-size:.75rem}.toc-nav{-webkit-overflow-scrolling:touch;flex:1;padding:.4rem 0;overflow-y:auto}.toc-empty{color:var(--text-dim);margin:0;padding:1.5rem 1.25rem;font-size:.82rem}.toc-list,.toc-sublist{margin:0;padding:0;list-style:none}.toc-item{text-align:left;width:100%;color:var(--text);opacity:.8;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background:0 0;border:none;padding:.55rem 1.25rem;font-size:.84rem;line-height:1.4;transition:background .15s,opacity .15s;display:block}.toc-item:hover,.toc-item:active{opacity:1;background:var(--btn-hover)}.reader-toolbar{background:var(--toolbar-bg);border-bottom:1px solid var(--border);z-index:30;flex-shrink:0;align-items:center;gap:.25rem;height:52px;padding:0 .5rem;display:flex}.toolbar-side{flex-shrink:0;align-items:center;gap:.1rem;min-width:90px;display:flex}.toolbar-side--right{justify-content:flex-end}.toolbar-center{flex:1;justify-content:center;align-items:center;min-width:0;padding:0 .5rem;display:flex;overflow:hidden}.toolbar-book-info{align-items:baseline;gap:.6rem;max-width:100%;display:flex;overflow:hidden}.toolbar-title{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:600;overflow:hidden}.toolbar-pct{color:var(--text-dim);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:.75rem}.toolbar-btn{width:40px;height:40px;color:var(--text);opacity:.65;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background:0 0;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;transition:opacity .15s,background .15s;display:flex}.toolbar-btn:hover{opacity:1;background:var(--btn-hover)}.toolbar-btn:active{opacity:1;transform:scale(.93)}.toolbar-btn.active{opacity:1;background:var(--btn-hover)}@media (width<=480px){.toolbar-title{font-size:.78rem}.toolbar-pct{display:none}.toolbar-btn{width:38px;height:38px}}.settings-panel{flex-direction:column;height:100%;display:flex}.settings-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:1rem 1.25rem;display:flex}.settings-title{color:var(--text);margin:0;font-size:.9rem;font-weight:700}.settings-close{width:36px;height:36px;color:var(--text);opacity:.6;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:opacity .15s,background .15s;display:flex}.settings-close:hover{opacity:1;background:var(--btn-hover)}.settings-close:active{transform:scale(.92)}.settings-body{flex-direction:column;flex:1;gap:1.5rem;padding:1.25rem;display:flex;overflow-y:auto}.settings-row{justify-content:space-between;align-items:center;gap:1rem;display:flex}.settings-row--col{flex-direction:column;align-items:flex-start;gap:.5rem}.settings-row label{color:var(--text);opacity:.75;font-size:.85rem;font-weight:500}.settings-stepper{background:var(--btn-hover);border:1px solid var(--border);border-radius:10px;flex-shrink:0;align-items:center;gap:0;display:flex;overflow:hidden}.settings-stepper button{color:var(--text);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;padding:.45rem .75rem;font-size:1.2rem;line-height:1;transition:background .15s}.settings-stepper button:hover{background:var(--btn-hover)}.settings-stepper button:active{opacity:.6}.settings-stepper span{color:var(--text);text-align:center;border-left:1px solid var(--border);border-right:1px solid var(--border);font-variant-numeric:tabular-nums;min-width:48px;padding:.45rem .25rem;font-size:.82rem}.theme-swatches{grid-template-columns:repeat(4,1fr);gap:.5rem;width:100%;display:grid}.theme-swatch{cursor:pointer;-webkit-tap-highlight-color:transparent;border:2px solid #0000;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:.3rem;padding:.6rem .25rem;transition:border-color .15s,transform .1s;display:flex}.theme-swatch:active{transform:scale(.94)}.theme-swatch.active{border-color:#4a9eff;box-shadow:0 0 0 1px #4a9eff33}.swatch-preview{font-size:1rem;font-weight:700;line-height:1}.swatch-label{opacity:.85;font-size:.68rem;font-weight:500}.settings-row--col select{background:var(--btn-hover);border:1px solid var(--border);width:100%;color:var(--text);cursor:pointer;appearance:auto;border-radius:10px;outline:none;padding:.6rem .9rem;font-size:.88rem}.reader[data-theme=dark]{--bg:#1e2b2f;--toolbar-bg:#162025;--border:#1f2f35;--text:#fecea8;--text-dim:#7a9bb5;--btn-hover:#ffffff12;--overlay-bg:#0009;--drawer-bg:#162025;--tap-color:#ffffff0a}.reader[data-theme=light]{--bg:#f8f4ef;--toolbar-bg:#f0ebe3;--border:#d4c9bc;--text:#1a202c;--text-dim:#5c4a3a;--btn-hover:#0000000f;--overlay-bg:#0006;--drawer-bg:#f0ebe3;--tap-color:#00000005}.reader[data-theme=sepia]{--bg:#f5e6c8;--toolbar-bg:#edddb5;--border:#d4c49a;--text:#3d2b1f;--text-dim:#7d5f4a;--btn-hover:#00000012;--overlay-bg:#0006;--drawer-bg:#edddb5;--tap-color:#00000005}.reader[data-theme=noche]{--bg:#111;--toolbar-bg:#090909;--border:#242424;--text:#9a9a9a;--text-dim:#505050;--btn-hover:#ffffff0d;--overlay-bg:#000000bf;--drawer-bg:#0c0c0c;--tap-color:#ffffff05}.reader{background:var(--bg);flex-direction:column;height:100dvh;display:flex;position:relative;overflow:hidden}.reader-body{flex:1;display:flex;position:relative;overflow:hidden}.reader-viewport{background:var(--bg);flex:1;width:100%;height:100%;position:relative;overflow:hidden}.overlay-backdrop{background:var(--overlay-bg);z-index:40;cursor:pointer;-webkit-tap-highlight-color:transparent;position:absolute;inset:0}.toc-drawer{background:var(--drawer-bg);border-right:1px solid var(--border);z-index:50;flex-direction:column;width:min(280px,82vw);transition:transform .25s;display:flex;position:absolute;top:0;bottom:0;left:0;overflow:hidden;transform:translate(-100%);box-shadow:4px 0 20px #00000059}.toc-drawer.open{transform:translate(0)}@media (width>=1024px){.toc-drawer{width:0;min-width:0;box-shadow:none;transition:none;position:relative;overflow:hidden;transform:none}.toc-drawer.open{width:260px;min-width:260px}.overlay-backdrop{display:none}}.settings-drawer{background:var(--drawer-bg);border-left:1px solid var(--border);z-index:50;-webkit-overflow-scrolling:touch;width:min(300px,90vw);transition:transform .25s;position:absolute;top:0;bottom:0;right:0;overflow-y:auto;transform:translate(100%);box-shadow:-4px 0 20px #00000059}.settings-drawer.open{transform:translate(0)}.tap-zone{background:var(--tap-color);cursor:pointer;z-index:5;-webkit-tap-highlight-color:transparent;opacity:0;border:none;width:22%;position:absolute;top:0;bottom:0}.tap-zone--prev{left:0}.tap-zone--next{right:0}*,:before,:after{box-sizing:border-box}html,body,#root{height:100%;padding:0;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);margin:0}body{-webkit-font-smoothing:antialiased;color:#e8d5b7;background:#0f1923;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,sans-serif}button,input,select{font-family:inherit}.loading-screen{background:#0f1923;justify-content:center;align-items:center;min-height:100vh;display:flex}.loading-spinner{border:3px solid #2a3a4a;border-top-color:#c9a87a;border-radius:50%;width:32px;height:32px;animation:.7s linear infinite spin}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#2a3a4a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#3a4a5a}