:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--text-primary:#0f172a;--text-secondary:#475569;--accent:#e63946;--border:#e2e8f0;--card-shadow:0 10px 30px -10px #0000001a;--font-heading:"Outfit", sans-serif;--font-body:"Inter", sans-serif;--glass-bg:#ffffffb3;--glass-border:#fff3}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent:#e63946;--border:#334155;--card-shadow:0 10px 30px -10px #00000080;--glass-bg:#1e293bb3;--glass-border:#ffffff1a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);min-height:100vh;transition:background-color .3s,color .3s;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:-.02em;font-weight:800}.app-container{max-width:1200px;margin:0 auto;padding:2rem}header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:3rem;padding-bottom:1rem;display:flex}.logo-container{align-items:center;gap:.75rem;display:flex}.logo-icon{color:var(--accent)}h1{background:linear-gradient(to right, var(--text-primary), var(--accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2.5rem}.controls{align-items:center;gap:1rem;display:flex}.icon-btn{background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:all .2s;display:flex}.icon-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-2px)}.view-toggle{background:var(--bg-secondary);border:1px solid var(--border);border-radius:20px;padding:4px;display:flex}.view-toggle button{color:var(--text-secondary);font-family:var(--font-heading);cursor:pointer;background:0 0;border:none;border-radius:16px;padding:.5rem 1rem;font-weight:600;transition:all .2s}.view-toggle button.active{background:var(--bg-primary);color:var(--text-primary);box-shadow:0 2px 4px #0000000d}.book-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem;display:grid}.book-card{background:var(--bg-secondary);box-shadow:var(--card-shadow);border:1px solid var(--border);cursor:pointer;border-radius:16px;flex-direction:column;padding:1.5rem;transition:all .3s cubic-bezier(.25,.8,.25,1);display:flex;position:relative;overflow:hidden}.book-card:before{content:"";background:var(--card-color,var(--accent));width:100%;height:4px;position:absolute;top:0;left:0}.book-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px -15px #0003}.book-card h3{margin-bottom:.5rem;font-size:1.5rem}.book-author{color:var(--text-secondary);margin-bottom:1rem;font-size:.95rem;font-weight:500}.book-meta{color:var(--text-secondary);border-top:1px solid var(--border);justify-content:space-between;margin-top:auto;padding-top:1rem;font-size:.85rem;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;opacity:0;background:#0006;justify-content:center;align-items:center;animation:.3s forwards fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);width:90%;max-width:600px;color:var(--text-primary);border-radius:24px;padding:3rem;animation:.3s forwards scaleIn;position:relative;transform:scale(.95);box-shadow:0 25px 50px -12px #00000040}.modal-close{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;transition:color .2s;position:absolute;top:1.5rem;right:1.5rem}.modal-close:hover{color:var(--accent)}.modal-header{margin-bottom:1.5rem}.modal-header h2{margin-bottom:.5rem;font-size:2.5rem}.modal-subtitle{color:var(--text-secondary);align-items:center;gap:1rem;font-size:1.1rem;display:flex}.modal-tag{background:var(--bg-primary);letter-spacing:.05em;text-transform:uppercase;border-radius:12px;padding:4px 12px;font-size:.85rem;font-weight:600}.modal-body{color:var(--text-secondary);line-height:1.7}.modal-stats{border-top:1px solid var(--border);gap:2rem;margin-top:2rem;padding-top:1.5rem;display:flex}.stat-item{flex-direction:column;display:flex}.stat-label{text-transform:uppercase;color:var(--text-secondary);letter-spacing:.05em;margin-bottom:.25rem;font-size:.75rem}.stat-value{font-family:var(--font-heading);font-size:1.25rem;font-weight:600}.plot-container{background:var(--bg-secondary);border:1px solid var(--border);border-radius:24px;height:calc(100vh - 200px);position:relative;overflow:hidden;box-shadow:inset 0 2px 10px #00000005}.plot-tooltip{background:var(--bg-primary);border:1px solid var(--border);pointer-events:none;font-family:var(--font-body);color:var(--text-primary);box-shadow:var(--card-shadow);z-index:10;border-radius:8px;padding:12px 16px;font-size:.9rem;transition:opacity .2s;position:absolute}.plot-tooltip h4{font-family:var(--font-heading);margin-bottom:4px}@keyframes fadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{to{transform:scale(1)}}.book-list-container{flex-direction:column;gap:2rem;display:flex}.list-controls{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;padding:1rem 1.5rem;display:flex;box-shadow:0 4px 6px -1px #0000000d}.search-wrapper{flex:1;min-width:250px;position:relative}.search-icon{color:var(--text-secondary);position:absolute;top:50%;left:1rem;transform:translateY(-50%)}.search-input{border:1px solid var(--border);background:var(--bg-primary);width:100%;color:var(--text-primary);font-family:var(--font-body);border-radius:12px;padding:.75rem 1rem .75rem 3rem;font-size:.95rem;transition:all .2s}.search-input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #e639461a}.sort-wrapper{align-items:center;gap:.75rem;display:flex}.sort-wrapper label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.sort-select{border:1px solid var(--border);background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-position:right .75rem center;background-repeat:no-repeat;background-size:1em;border-radius:10px;padding:.6rem 2.5rem .6rem 1rem;font-size:.95rem;transition:all .2s}.sort-select:focus{border-color:var(--accent);outline:none}.no-results{text-align:center;color:var(--text-secondary);background:var(--bg-secondary);border:1px dashed var(--border);border-radius:16px;grid-column:1/-1;padding:3rem}.book-groups{flex-direction:column;gap:4rem;display:flex}.book-group{flex-direction:column;gap:2rem;display:flex}.group-title{color:var(--text-primary);border-bottom:3px solid var(--accent);align-self:flex-start;margin-bottom:.5rem;padding-bottom:.5rem;font-size:2rem;display:inline-block}.stats-container{flex-direction:column;gap:2rem;display:flex}.stats-header-cards{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;display:grid}.stat-card{background:var(--bg-secondary);box-shadow:var(--card-shadow);border:1px solid var(--border);border-radius:16px;align-items:center;gap:1.5rem;padding:1.5rem;transition:transform .2s;display:flex}.stat-card:hover{transform:translateY(-5px)}.stat-icon{background:var(--bg-primary);width:60px;height:60px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;display:flex}.stat-card.primary .stat-icon{background:#e639461a}.stat-card.secondary .stat-icon{color:#fb8500;background:#fb85001a}.stat-card.tertiary .stat-icon{color:#4361ee;background:#4361ee1a}.stat-content h3{color:var(--text-secondary);font-size:1rem;font-family:var(--font-body);margin-bottom:.25rem}.stat-value{color:var(--text-primary);font-size:2.5rem;font-weight:800;font-family:var(--font-heading)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;display:grid}.stat-panel{background:var(--bg-secondary);box-shadow:var(--card-shadow);border:1px solid var(--border);border-radius:16px;padding:1.5rem}.panel-header{border-bottom:1px solid var(--border);align-items:center;gap:.75rem;margin-bottom:1.5rem;padding-bottom:1rem;display:flex}.panel-icon{color:var(--accent)}.panel-header h2{color:var(--text-primary);font-size:1.25rem}.bar-chart{flex-direction:column;gap:1rem;display:flex}.bar-row{align-items:center;gap:1rem;display:flex}.bar-label{width:50px;color:var(--text-secondary);font-size:.9rem;font-weight:600}.bar-track{background:var(--bg-primary);border-radius:12px;flex:1;height:24px;overflow:hidden}.bar-fill{background:linear-gradient(90deg, var(--accent), #f4a261);border-radius:12px;justify-content:flex-end;align-items:center;min-width:30px;height:100%;padding-right:.75rem;transition:width 1s cubic-bezier(.4,0,.2,1);display:flex}.bar-value{color:#fff;font-size:.8rem;font-weight:700}.stat-list{flex-direction:column;gap:.75rem;list-style:none;display:flex}.stat-list li{background:var(--bg-primary);border-radius:8px;align-items:center;gap:1rem;padding:.75rem;transition:background .2s;display:flex}.stat-list li:hover{background:#e639460d}.stat-list .rank{color:var(--accent);text-align:center;width:24px;font-weight:800}.stat-list .name{color:var(--text-primary);flex:1;font-weight:600}.stat-list .count{color:var(--text-secondary);font-size:.9rem;font-weight:500}.pie-chart-container{justify-content:center;align-items:center;margin:1.5rem 0 2rem;display:flex;position:relative}.pie-tooltip{background:var(--glass-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--glass-border);pointer-events:none;color:var(--text-primary);text-align:center;z-index:100;border-radius:12px;padding:.75rem 1.25rem;font-size:.95rem;line-height:1.4;position:fixed;box-shadow:0 10px 25px -5px #0003}.animate-fade-in{animation:.4s cubic-bezier(.4,0,.2,1) fadeIn}