.bottom-nav{z-index:100;border-radius:24px;justify-content:space-around;padding:12px 8px;display:flex;position:fixed;bottom:16px;left:16px;right:16px}.nav-item{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:16px;flex-direction:column;align-items:center;gap:4px;padding:8px 16px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.nav-item:hover{color:var(--text-primary)}.nav-item.active{color:var(--accent-color);background:#6366f11a}.nav-icon{transition:transform .3s}.nav-item.active .nav-icon{transform:translateY(-2px)}.nav-label{font-size:.75rem;font-weight:500}.badge-count{background:var(--danger-color);color:#fff;text-align:center;border-radius:10px;min-width:18px;padding:2px 6px;font-size:.65rem;font-weight:700;position:absolute;top:4px;right:12px;box-shadow:0 2px 4px #0000004d}.search-bar{align-items:center;gap:12px;padding:8px 16px;display:flex}.search-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;padding:8px 0;font-size:1rem}.search-icon{color:var(--text-secondary)}.results-container{flex-direction:column;gap:12px;margin-top:16px;display:flex}.book-card{flex-direction:column;gap:12px;padding:16px;transition:transform .2s;display:flex}.book-card:active{transform:scale(.98)}.book-card-header{align-items:center;gap:8px;display:flex}.book-icon{color:var(--accent-color)}.book-title{color:var(--text-primary);margin:0;font-size:1.1rem}.book-details{flex-wrap:wrap;gap:8px;display:flex}.badge{color:var(--text-secondary);background:#ffffff0d;border-radius:12px;padding:4px 10px;font-size:.75rem;font-weight:500}.course-badge{color:var(--accent-color);background:#6366f126}.book-isbn{color:var(--text-secondary);font-family:monospace;font-size:.8rem}.empty-state,.loading{text-align:center;color:var(--text-secondary);padding:32px 0;font-size:.9rem}.form-group{margin-bottom:16px}.form-group label{color:var(--text-secondary);margin-bottom:8px;font-size:.9rem;display:block}.stats-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px;display:grid}.stat-card{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:16px;display:flex}.stat-value{color:var(--accent-color);margin-bottom:4px;font-size:2rem;font-weight:700}.stat-label{color:var(--text-secondary);font-size:.85rem}.facet-list{flex-direction:column;gap:8px;display:flex}.facet-item{background:#0003;border-radius:12px;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.facet-value{color:var(--text-primary)}.facet-count{background:var(--accent-color);color:#fff;border-radius:12px;padding:2px 8px;font-size:.8rem;font-weight:600}.app-container{flex-direction:column;height:100%;display:flex}.app-header{justify-content:center;align-items:center;margin:16px 16px 0;padding:16px 20px;display:flex}.app-header h1{background:linear-gradient(135deg,#fff,#a0a4b0);-webkit-text-fill-color:transparent;letter-spacing:1px;-webkit-background-clip:text;margin:0;font-size:1.5rem}.app-content{flex:1;padding:20px 16px 100px;overflow-y:auto}.tab-container{flex-direction:column;gap:16px;display:flex}:root{--bg-color:#0f1015;--surface-color:#ffffff08;--surface-hover:#ffffff14;--border-color:#ffffff1a;--text-primary:#f8f9fa;--text-secondary:#a0a4b0;--accent-color:#6366f1;--accent-hover:#4f46e5;--danger-color:#ef4444;--success-color:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}#root{flex-direction:column;height:100dvh;display:flex;overflow:hidden}h1,h2,h3,h4,h5,h6{margin-bottom:.5rem;font-weight:600}.glass-panel{background:var(--surface-color);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px}.input-field{border:1px solid var(--border-color);width:100%;color:var(--text-primary);background:#0003;border-radius:12px;padding:12px 16px;font-family:inherit;font-size:1rem;transition:all .2s}.input-field:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 2px #6366f133}.btn{cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-family:inherit;font-size:1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent-color);color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-primary:hover,.btn-primary:active{background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background:var(--surface-color);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover,.btn-secondary:active{background:var(--surface-hover)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.3s forwards fadeIn}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}