:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-card:#f1f5f9;--bg-card-hover:#e2e8f0;--border-color:#0f172a14;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--accent-indigo:#4f46e5;--accent-indigo-glow:#4f46e51a;--accent-emerald:#059669;--accent-emerald-glow:#0596691a;--accent-amber:#d97706;--accent-rose:#e11d48;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1);--font-outfit:"Outfit", sans-serif;--radius-lg:16px;--radius-md:10px;--radius-sm:6px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-outfit);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.app-container{max-width:1200px;margin:0 auto;padding:2.5rem 1.5rem}.app-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:2.5rem;padding-bottom:1.5rem;display:flex}.brand-section{align-items:center;gap:.75rem;display:flex}.brand-icon{background:linear-gradient(135deg, var(--accent-indigo), #7c3aed);color:#fff;border-radius:12px;justify-content:center;align-items:center;width:42px;height:42px;display:flex;box-shadow:0 4px 12px #4f46e533}.brand-title{letter-spacing:-.025em;background:linear-gradient(to right, var(--text-primary), var(--text-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:700}.header-right{align-items:center;gap:1.5rem;display:flex}.header-progress{color:var(--text-secondary);font-size:.95rem;font-weight:600}.stats-container{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-bottom:2.5rem;display:grid}.stat-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:var(--transition-smooth);align-items:center;gap:1rem;padding:1.5rem;display:flex;box-shadow:0 1px 3px #00000005,0 1px 2px #0000000a}.stat-card:hover{border-color:#4f46e533;transform:translateY(-2px);box-shadow:0 10px 20px #0000000d}.stat-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:48px;height:48px;display:flex}.stat-icon.indigo{background:var(--accent-indigo-glow);color:var(--accent-indigo)}.stat-icon.emerald{background:var(--accent-emerald-glow);color:var(--accent-emerald)}.stat-icon.amber{color:var(--accent-amber);background:#d9770614}.stat-info{flex:1}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem;font-weight:600}.stat-value{color:var(--text-primary);margin-top:.25rem;font-size:1.75rem;font-weight:700;line-height:1.2}.progress-bar-container{background:#e2e8f0;border-radius:3px;width:100%;height:6px;margin-top:.5rem;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--accent-emerald), #10b981);border-radius:3px;height:100%;transition:width .6s}.actions-panel{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;margin-bottom:2.5rem;padding:1.5rem;display:flex;box-shadow:0 1px 3px #00000005,0 1px 2px #0000000a}.actions-title{color:var(--text-primary);align-items:center;gap:.5rem;font-size:1rem;font-weight:700;display:flex}.forms-group{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}.form-inline{gap:.5rem;display:flex}.input-premium{background-color:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);font-family:var(--font-outfit);transition:var(--transition-smooth);min-width:220px;padding:.625rem 1rem;font-size:.9rem}.input-premium:focus{border-color:var(--accent-indigo);background-color:var(--bg-secondary);box-shadow:0 0 0 3px var(--accent-indigo-glow);outline:none}.select-premium{background-color:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);font-family:var(--font-outfit);transition:var(--transition-smooth);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");background-position:right .75rem center;background-repeat:no-repeat;background-size:1rem;min-width:180px;padding:.625rem 2.25rem .625rem 1rem;font-size:.9rem}.select-premium:focus{border-color:var(--accent-indigo);outline:none}.btn-premium{background:linear-gradient(135deg, var(--accent-indigo), #4338ca);color:#fff;border-radius:var(--radius-md);font-family:var(--font-outfit);cursor:pointer;transition:var(--transition-smooth);border:none;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.9rem;font-weight:600;display:inline-flex}.btn-premium:hover{opacity:.95;transform:translateY(-1px);box-shadow:0 4px 12px #4f46e54d}.btn-premium.secondary{background:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-secondary)}.btn-premium.secondary:hover{border-color:var(--text-secondary);color:var(--text-primary);box-shadow:none;background:var(--bg-card)}.btn-premium.danger{background:linear-gradient(135deg, var(--accent-rose), #be123c)}.btn-premium.danger:hover{box-shadow:0 4px 12px #f43f5e4d}.btn-premium:disabled{opacity:.6;cursor:not-allowed;box-shadow:none!important;transform:none!important}.board-columns{flex-direction:column;gap:2rem;width:100%;display:flex}.board-column{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);flex-direction:column;width:100%;transition:border-color .3s,box-shadow .3s;display:flex;box-shadow:0 1px 3px #00000005,0 1px 2px #0000000a}.board-column.sortable-ghost{opacity:.3;border:2px dashed var(--accent-indigo);box-shadow:0 0 15px #4f46e51a}.board-column-header{border-bottom:1px solid var(--border-color);cursor:grab;background:#0f172a03;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.board-column-header:active{cursor:grabbing}.column-title-container{align-items:center;gap:.75rem;max-width:80%;display:flex}.column-handle{color:var(--text-muted);cursor:grab;display:flex}.column-title{color:var(--text-primary);font-size:1.15rem;font-weight:700}.column-count{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:12px;padding:.125rem .625rem;font-size:.75rem;font-weight:700}.column-actions{gap:.5rem;display:flex}.btn-icon{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;width:32px;height:32px;transition:var(--transition-smooth);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.btn-icon:hover{color:var(--text-primary);background:var(--bg-card)}.btn-icon.delete-btn:hover{color:var(--accent-rose);background:#f43f5e14}.books-list{flex-direction:column;gap:.75rem;min-height:50px;padding:1.25rem 1.5rem;display:flex}.book-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:var(--transition-smooth);cursor:grab;align-items:center;gap:1rem;padding:1rem 1.25rem;display:flex;position:relative}.book-card:active{cursor:grabbing}.book-card:hover{background-color:var(--bg-card-hover);border-color:#0f172a26}.book-card.is-read-card{border-left:4px solid var(--accent-emerald);background-color:#05966905}.book-card.is-read-card:hover{background-color:#0596690a}.book-card.sortable-ghost{opacity:.2;border:2px dashed var(--accent-indigo);background:#4f46e508}.book-drag-handle{color:var(--text-muted);cursor:grab;justify-content:center;align-items:center;display:flex}.book-checkbox-section{align-items:center;display:flex}.checkbox-premium{cursor:pointer;width:22px;height:22px;transition:var(--transition-smooth);background:var(--bg-secondary);border:2px solid #94a3b8;border-radius:6px;justify-content:center;align-items:center;display:flex;position:relative}.checkbox-premium:hover{border-color:var(--accent-indigo)}.checkbox-premium.checked{border-color:var(--accent-emerald);background-color:var(--accent-emerald)}.checkbox-premium svg{color:#fff;opacity:0;width:14px;height:14px;transition:var(--transition-smooth);transform:scale(.5)}.checkbox-premium.checked svg{opacity:1;transform:scale(1)}.book-content{flex-wrap:wrap;flex:1;justify-content:space-between;align-items:center;gap:.5rem;display:flex}.book-title-wrapper{align-items:center;gap:.75rem;display:flex}.book-title{color:var(--text-primary);font-size:.95rem;font-weight:600}.book-title.read{color:var(--text-muted)}.read-badge{background:var(--accent-emerald-glow);color:var(--accent-emerald);text-transform:uppercase;border-radius:4px;align-items:center;gap:.25rem;padding:.125rem .5rem;font-size:.65rem;font-weight:700;display:inline-flex}.book-author{color:var(--text-secondary);font-size:.85rem;font-weight:500}.book-actions{opacity:0;gap:.5rem;transition:opacity .2s;display:flex}.book-card:hover .book-actions{opacity:1}.login-container{background-color:var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.login-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:440px;padding:2.5rem;box-shadow:0 10px 30px #0f172a0d}.login-header{text-align:center;flex-direction:column;align-items:center;margin-bottom:2rem;display:flex}.login-header .brand-icon{margin-bottom:1.25rem}.login-title{color:var(--text-primary);font-size:1.35rem;font-weight:800}.login-subtitle{color:var(--text-secondary);margin-top:.35rem;font-size:.85rem}.login-form{flex-direction:column;gap:1.25rem;display:flex}.login-error-message{color:var(--accent-rose);border-radius:var(--radius-md);background-color:#f43f5e0f;border:1px solid #f43f5e33;padding:.75rem 1rem;font-size:.8rem;font-weight:500}.login-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:2rem;padding-top:1.25rem;font-size:.8rem}.login-footer code{background:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:4px;padding:.125rem .35rem}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background-color:#0f172a66;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-content{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:90%;max-width:480px;padding:2.25rem;animation:.3s cubic-bezier(.16,1,.3,1) modal-fadeIn;box-shadow:0 20px 40px #0f172a1a}@keyframes modal-fadeIn{0%{opacity:0;transform:scale(.95)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-header{margin-bottom:1.5rem}.modal-title{color:var(--text-primary);font-size:1.25rem;font-weight:700}.modal-body{flex-direction:column;gap:1.25rem;margin-bottom:2rem;display:flex}.form-group{flex-direction:column;gap:.5rem;display:flex}.form-label{color:var(--text-secondary);font-size:.85rem;font-weight:700}.modal-footer{justify-content:flex-end;gap:.75rem;display:flex}.swal2-popup{background-color:var(--bg-secondary)!important;color:var(--text-primary)!important;border:1px solid var(--border-color)!important;border-radius:var(--radius-lg)!important;box-shadow:0 10px 40px #00000014!important}.swal2-title{color:var(--text-primary)!important;font-family:var(--font-outfit)!important}.swal2-html-container{color:var(--text-secondary)!important;font-family:var(--font-outfit)!important}.swal2-confirm{background:linear-gradient(135deg, var(--accent-indigo), #4338ca)!important;color:#fff!important;font-family:var(--font-outfit)!important;border-radius:var(--radius-md)!important;font-weight:600!important}.swal2-cancel{background-color:var(--bg-primary)!important;border:1px solid var(--border-color)!important;color:var(--text-secondary)!important;font-family:var(--font-outfit)!important;border-radius:var(--radius-md)!important;font-weight:600!important}.empty-state{text-align:center;color:var(--text-muted);border:1px dashed var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:2.5rem 1.5rem;font-size:.9rem;display:flex}.empty-icon{font-size:1.5rem}