:root{--primary:#22c55e;--primary-hover:#16a34a;--bg:#0f172a;--card-bg:#1e293bb3;--text:#f8fafc;--text-muted:#94a3b8;--glass:#ffffff0d;--glass-border:#ffffff1a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;overflow-x:hidden}.app-container{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.app-nav{padding-top:calc(1rem + env(safe-area-inset-top))!important}.app-container.has-player{padding-bottom:120px}@media (width<=768px){.app-container.has-player{padding-bottom:calc(180px + env(safe-area-inset-bottom))}.app-nav{gap:.5rem;padding:calc(.6rem + env(safe-area-inset-top)) .75rem .6rem!important}.app-nav-brand{gap:.5rem!important}.app-nav-title{font-size:1.1rem!important}.app-nav-username{display:none!important}.app-nav-user{gap:.5rem!important}.app-nav .btn{padding:.5rem .9rem!important;font-size:.85rem!important}.app-footer{gap:.6rem!important;padding:.85rem 1rem!important}.app-footer img{height:22px!important}.app-footer .footer-copy{font-size:.7rem!important;display:none!important}}.glass{background:var(--glass);-webkit-backdrop-filter:blur(12px);border:1px solid #ffffff0d}.btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:.75rem;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:600;transition:all .2s;display:flex}.btn:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #22c55e4d}.btn-secondary{background:var(--glass);border:1px solid var(--glass-border)}.btn-secondary:hover{background:#ffffff1a}.book-details-layout{grid-template-columns:350px 1fr;gap:3rem;display:grid}@media (width<=900px){.book-details-layout{grid-template-columns:1fr;gap:2rem}.book-details-sidebar{max-width:300px;margin:0 auto}.book-details-content h1{text-align:center;font-size:2rem!important}}.library-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem;max-width:1400px;margin:0 auto;padding:2rem;display:grid}.book-card{cursor:pointer;background:#ffffff08;border-radius:1.25rem;transition:all .2s;position:relative;overflow:hidden}.book-card:hover{background:#22c55e1a;box-shadow:0 0 20px #22c55e26}.book-cover{aspect-ratio:1;background:linear-gradient(135deg,#1e293b,#334155);justify-content:center;align-items:center;display:flex;position:relative}.book-cover img{object-fit:cover;width:100%;height:100%}.book-title{white-space:nowrap;text-overflow:ellipsis;margin-bottom:.5rem;font-size:1.1rem;font-weight:700;overflow:hidden}.book-meta{color:var(--text-muted);justify-content:space-between;font-size:.875rem;display:flex}.card-progress{background:var(--primary);height:4px;transition:width .3s;position:absolute;bottom:0;left:0}.player-bar{width:100%;padding:1rem 2rem calc(1rem + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--glass-border);z-index:1000;background:#0f172ad9;align-items:center;gap:2rem;transition:all .3s;display:flex;position:fixed;bottom:0;left:0}.player-controls{align-items:center;gap:1rem;display:flex}.player-info{flex:1;min-width:0}.player-track-name{white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:.9rem;font-weight:600;overflow:hidden}.hide-scrollbar::-webkit-scrollbar{display:none}.hide-scrollbar{-ms-overflow-style:none;scrollbar-width:none}.player-slider{cursor:pointer;background:#ffffff1a;border-radius:3px;width:100%;height:6px;margin:12px 0;position:relative}.player-progress{background:#22c55e;border-radius:3px;height:100%;box-shadow:0 0 10px #22c55e80}.quick-actions-row{justify-content:center;align-items:center;gap:1.5rem;width:100%;margin-top:8px;display:flex}@media (width<=768px){.quick-actions-row{gap:1.25rem;margin-top:12px}}.library-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;padding:1rem}.book-info{padding:1rem}.book-title{font-size:1rem}.player-bar{width:100%;padding:.5rem 1rem calc(1.25rem + env(safe-area-inset-bottom));border-top:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0f172ae6;border-radius:0;flex-direction:column;gap:.25rem;height:auto;bottom:0;left:0;transform:none}.player-controls{order:2;gap:.75rem}.player-info{order:1;width:100%;display:block}.player-actions{order:3;justify-content:center;align-items:center;gap:1rem;width:100%;margin-top:4px;display:flex}.sleep-timer-row{margin-top:.5rem;justify-content:center!important}@media (width<=480px){.library-grid{grid-template-columns:1fr 1fr;gap:.75rem}}@media (width<=600px){nav{padding:.75rem 1rem!important}nav h1{font-size:1.1rem!important}.book-details-container{padding:1rem!important}}.catalog-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem}.book-card.compact{border-radius:.75rem}.book-card.compact .book-info{padding:.75rem}.book-card.compact .book-title{font-size:.9rem}.book-card.compact .book-meta{font-size:.75rem}.table-row-hover:hover{background:#22c55e14}.action-btn-circle{cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;background:#0006;border:none;border-radius:50%;align-items:center;padding:8px;transition:all .2s;display:flex}.action-btn-circle.remove{color:#f44}.action-btn-circle.add{color:var(--primary)}.action-btn-circle:hover{background:#000000b3;transform:scale(1.1);box-shadow:0 0 15px #fff3}.action-btn-circle.add:hover{box-shadow:0 0 15px #22c55e66}.action-btn-circle.remove:hover{box-shadow:0 0 15px #f446}@media (width<=768px){.catalog-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem}}.skeleton-pulse{animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%{opacity:.3}50%{opacity:.6}to{opacity:.3}}.spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}