@import "https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Outfit:wght@300;400;500;600;700;800&family=Fira+Code:wght@300;400;500;600&display=swap";:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-tertiary:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--accent-color:#4f46e5;--accent-color-hover:#4338ca;--accent-light:#4f46e51a;--border-color:#e2e8f0;--glass-bg:#ffffffb3;--glass-border:#e2e8f0cc;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-glow:0 0 15px #4f46e526;--ui-font-family:"Outfit", sans-serif;--ui-font-size:16px;--sidebar-width:280px;--header-height:70px;--border-radius-sm:8px;--border-radius-md:16px;--border-radius-lg:24px}.theme-dark{--bg-primary:#0b0f19;--bg-secondary:#111827;--bg-tertiary:#1f2937;--text-primary:#f9fafb;--text-secondary:#d1d5db;--text-tertiary:#6b7280;--accent-color:#6366f1;--accent-color-hover:#818cf8;--accent-light:#6366f126;--border-color:#1f2937;--glass-bg:#111827bf;--glass-border:#1f2937cc;--shadow-sm:0 1px 2px 0 #00000080;--shadow-md:0 4px 6px -1px #0000004d, 0 2px 4px -2px #0000004d;--shadow-lg:0 10px 15px -3px #0006, 0 4px 6px -4px #0006;--shadow-glow:0 0 15px #6366f140}.theme-sepia{--bg-primary:#f4ecd8;--bg-secondary:#fdf6e3;--bg-tertiary:#ebdcb9;--text-primary:#433422;--text-secondary:#5c4a37;--text-tertiary:#8f7d66;--accent-color:#b58900;--accent-color-hover:#9c7500;--accent-light:#b589001a;--border-color:#ebdcb9;--glass-bg:#fdf6e3cc;--glass-border:#ebdcb9cc;--shadow-sm:0 1px 2px 0 #4334220d;--shadow-md:0 4px 6px -1px #43342214, 0 2px 4px -2px #43342214;--shadow-lg:0 10px 15px -3px #4334221f, 0 4px 6px -4px #4334221f;--shadow-glow:0 0 15px #b589001a}*{box-sizing:border-box;margin:0;padding:0;transition:background-color .3s,border-color .3s}body{font-family:var(--ui-font-family);font-size:var(--ui-font-size);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}button,input,select,textarea{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.app-container{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background-color:var(--bg-secondary);border-right:1px solid var(--border-color);z-index:50;height:100vh;box-shadow:var(--shadow-sm);flex-direction:column;display:flex;position:fixed;top:0;left:0}.sidebar-header{border-bottom:1px solid var(--border-color);align-items:center;gap:12px;padding:24px;display:flex}.brand-title{background:linear-gradient(135deg, var(--accent-color), #818cf8);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;font-size:1.25rem;font-weight:800}.sidebar-menu{flex-direction:column;flex:1;gap:8px;padding:20px;display:flex;overflow-y:auto}.menu-item{border-radius:var(--border-radius-sm);cursor:pointer;color:var(--text-secondary);border:1px solid #0000;justify-content:space-between;align-items:center;padding:10px 14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.menu-item:hover,.menu-item.active{background-color:var(--accent-light);color:var(--accent-color);transform:translate(4px)}.menu-item.active{border-color:#4f46e526;font-weight:600}.menu-count{background-color:var(--bg-tertiary);color:var(--text-secondary);border-radius:20px;padding:2px 8px;font-size:.75rem}.menu-item.active .menu-count{background-color:var(--accent-color);color:#fff}.sidebar-footer{border-top:1px solid var(--border-color);flex-direction:column;gap:12px;padding:20px;display:flex}.main-content{margin-left:var(--sidebar-width);flex-direction:column;flex:1;min-height:100vh;padding:30px;display:flex}.main-header{justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px;display:flex}.search-bar{flex:1;max-width:450px;position:relative}.search-input{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);width:100%;color:var(--text-primary);outline:none;padding:12px 16px 12px 48px;font-size:.95rem;transition:all .2s}.search-input:focus{border-color:var(--accent-color);box-shadow:var(--shadow-glow)}.search-icon{color:var(--text-tertiary);position:absolute;top:50%;left:16px;transform:translateY(-50%)}.header-actions{align-items:center;gap:16px;display:flex}.btn{border-radius:var(--border-radius-md);cursor:pointer;box-shadow:var(--shadow-sm);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-color-hover);transform:translateY(-1px);box-shadow:0 4px 12px #4f46e540}.btn-secondary{background-color:var(--bg-secondary);border-color:var(--border-color);color:var(--text-secondary)}.btn-secondary:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.btn-danger{color:#fff;background-color:#ef4444}.btn-danger:hover{background-color:#dc2626}.btn-icon{border-radius:50%;width:42px;height:42px;padding:0}.section-title{letter-spacing:-.5px;color:var(--text-primary);margin-bottom:24px;font-size:1.5rem;font-weight:700}.books-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:30px;display:grid}.book-card{background-color:var(--bg-secondary);border-radius:var(--border-radius-md);border:1px solid var(--border-color);cursor:pointer;box-shadow:var(--shadow-sm);flex-direction:column;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.book-card:hover{box-shadow:var(--shadow-lg);border-color:#4f46e533;transform:translateY(-8px)}.book-cover-container{aspect-ratio:2/3;background-color:var(--bg-tertiary);border-bottom:1px solid var(--border-color);position:relative;overflow:hidden}.book-cover{object-fit:cover;width:100%;height:100%;transition:transform .5s}.book-card:hover .book-cover{transform:scale(1.05)}.book-placeholder-cover{text-align:center;background:linear-gradient(135deg, var(--bg-tertiary) 0%, var(--border-color) 100%);width:100%;height:100%;color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;padding:20px;display:flex}.book-info{flex-direction:column;flex:1;padding:16px;display:flex}.book-series{text-transform:uppercase;color:var(--accent-color);letter-spacing:.5px;margin-bottom:4px;font-size:.75rem;font-weight:600}.book-title{-webkit-line-clamp:2;color:var(--text-primary);-webkit-box-orient:vertical;flex-grow:1;margin-bottom:8px;font-size:.95rem;font-weight:700;line-height:1.3;display:-webkit-box;overflow:hidden}.book-meta{border-top:1px solid var(--bg-tertiary);justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px;display:flex}.book-category{background-color:var(--bg-tertiary);color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;border-radius:12px;max-width:60%;padding:2px 8px;font-size:.75rem;overflow:hidden}.book-progress{color:var(--text-secondary);font-size:.75rem;font-weight:600}.progress-bar-container{background-color:var(--bg-tertiary);width:100%;height:4px;position:absolute;bottom:0;left:0}.progress-bar{background:linear-gradient(90deg, var(--accent-color) 0%, #818cf8 100%);height:100%;transition:width .3s}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;background-color:#0f172a99;justify-content:center;align-items:center;padding:20px;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--bg-secondary);border-radius:var(--border-radius-lg);border:1px solid var(--border-color);width:100%;max-width:550px;box-shadow:var(--shadow-lg);flex-direction:column;animation:.3s cubic-bezier(.16,1,.3,1) slideIn;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.modal-title{font-size:1.25rem;font-weight:700}.modal-body{max-height:75vh;padding:24px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border-color);background-color:var(--bg-tertiary);justify-content:flex-end;gap:12px;padding:16px 24px;display:flex}.form-group{margin-bottom:18px}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:.85rem;font-weight:600;display:block}.form-input{border-radius:var(--border-radius-sm);border:1px solid var(--border-color);background-color:var(--bg-secondary);width:100%;color:var(--text-primary);outline:none;padding:10px 14px;transition:border-color .2s}.form-input:focus{border-color:var(--accent-color)}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.file-dropzone{border:2px dashed var(--border-color);border-radius:var(--border-radius-md);text-align:center;cursor:pointer;background-color:var(--bg-primary);padding:30px;transition:all .2s}.file-dropzone:hover{border-color:var(--accent-color);background-color:var(--accent-light)}.file-dropzone-icon{color:var(--accent-color);margin-bottom:12px}.reader-container{background-color:var(--bg-primary);z-index:1000;flex-direction:column;display:flex;position:fixed;inset:0}.reader-header{height:var(--header-height);background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:100;justify-content:space-between;align-items:center;padding:0 20px;display:flex}.reader-title-area{align-items:center;gap:16px;max-width:40%;display:flex}.reader-title{white-space:nowrap;text-overflow:ellipsis;font-size:1.05rem;font-weight:700;overflow:hidden}.reader-nav{align-items:center;gap:12px;display:flex}.page-input-container{align-items:center;gap:6px;display:flex}.page-input{text-align:center;border-radius:var(--border-radius-sm);border:1px solid var(--border-color);background-color:var(--bg-primary);width:50px;color:var(--text-primary);padding:6px}.reader-controls{align-items:center;gap:16px;display:flex}.control-group{background-color:var(--bg-tertiary);border-radius:var(--border-radius-sm);align-items:center;padding:2px;display:flex}.control-btn{cursor:pointer;color:var(--text-secondary);border-radius:var(--border-radius-sm);background:0 0;border:none;align-items:center;gap:6px;padding:8px 12px;font-size:.85rem;font-weight:600;display:flex}.control-btn:hover{color:var(--text-primary)}.control-btn.active{background-color:var(--bg-secondary);color:var(--accent-color);box-shadow:var(--shadow-sm)}.bg-toggle-btn{cursor:pointer;border:2px solid #0000;border-radius:50%;width:24px;height:24px;transition:scale .2s}.bg-toggle-btn:hover{scale:1.15}.bg-toggle-btn.active{border-color:var(--accent-color)}.bg-white-btn{background-color:#fff;border-color:#e2e8f0}.bg-sepia-btn{background-color:#fdf6e3;border-color:#ebdcb9}.bg-dark-btn{background-color:#111827;border-color:#374151}.reader-workspace{flex:1;justify-content:center;align-items:flex-start;padding:30px 20px;display:flex;position:relative;overflow:auto}.theme-white .pdf-page-canvas{filter:none}.theme-sepia .pdf-page-canvas{filter:sepia(.5)contrast(1.1)brightness(.95);box-shadow:0 4px 20px #43342226}.theme-dark .pdf-page-canvas{filter:invert()hue-rotate(180deg)brightness(.95);box-shadow:0 4px 20px #0009}.pdf-page-canvas{transform-origin:top;background-color:#fff;border-radius:4px;max-width:100%;transition:filter .3s;box-shadow:0 4px 20px #00000014}.loading-screen{background-color:var(--bg-primary);flex-direction:column;justify-content:center;align-items:center;gap:16px;height:100vh;display:flex}.spinner{border:4px solid var(--accent-light);border-top-color:var(--accent-color);border-radius:50%;width:48px;height:48px;animation:1s linear infinite spin}.auth-container{background:radial-gradient(circle at 0% 0%, var(--bg-secondary) 0%, var(--bg-primary) 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);width:100%;max-width:400px;box-shadow:var(--shadow-lg);padding:40px}.auth-header{text-align:center;margin-bottom:30px}.auth-logo{color:var(--accent-color);margin-bottom:12px;display:inline-block}.auth-title{letter-spacing:-.5px;margin-bottom:8px;font-size:1.6rem;font-weight:800}.auth-subtitle{color:var(--text-secondary);font-size:.85rem}.alert-error{color:#ef4444;border-radius:var(--border-radius-sm);background-color:#ef44441a;border:1px solid #ef444433;margin-bottom:18px;padding:10px 14px;font-size:.85rem;font-weight:500}.alert-info{background-color:var(--accent-light);color:var(--accent-color);border-radius:var(--border-radius-sm);border:1px solid #4f46e526;margin-bottom:18px;padding:10px 14px;font-size:.85rem;font-weight:500}.series-section{background-color:var(--bg-secondary);border-radius:var(--border-radius-lg);border:1px solid var(--border-color);margin-bottom:40px;padding:24px}.series-header{border-bottom:1px solid var(--bg-tertiary);align-items:baseline;gap:12px;margin-bottom:20px;padding-bottom:12px;display:flex}.series-title{color:var(--text-primary);font-size:1.25rem;font-weight:700}.series-badge{text-transform:uppercase;background-color:var(--accent-light);color:var(--accent-color);border-radius:12px;padding:2px 8px;font-size:.75rem;font-weight:600}.upload-progress{margin-top:16px}.progress-text{color:var(--text-secondary);justify-content:space-between;margin-bottom:6px;font-size:.8rem;font-weight:600;display:flex}.progress-bar-large{background-color:var(--bg-tertiary);border-radius:4px;height:8px;overflow:hidden}.progress-fill{background-color:var(--accent-color);width:0%;height:100%;transition:width .1s}.font-sans{--ui-font-family:"Outfit", sans-serif}.font-serif{--ui-font-family:"Lora", serif}.font-mono{--ui-font-family:"Fira Code", monospace}.font-size-sm{--ui-font-size:14px}.font-size-md{--ui-font-size:16px}.font-size-lg{--ui-font-size:18px}@media (width<=1024px){:root{--sidebar-width:240px}}@media (width<=768px){.sidebar{display:none}.sidebar.mobile-open{width:280px;display:flex;box-shadow:0 0 40px #0000004d}.main-content{margin-left:0;padding:16px}.main-header{flex-direction:column;align-items:stretch;gap:12px}.search-bar{max-width:100%}.books-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px}.book-card{border-radius:var(--border-radius-sm)}.book-info{padding:10px}.book-title{margin-bottom:4px;font-size:.85rem}.book-meta{padding-top:6px}.book-category{font-size:.65rem}.reader-header{height:60px;padding:0 10px}.reader-title-area{max-width:30%}.reader-controls{gap:8px}.control-btn span{display:none}.control-btn{padding:8px}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}