*{box-sizing:border-box}body{margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.audiobook-card{border-radius:20px;padding:24px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 6px #0000001a;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;text-align:center;position:relative}.audiobook-card:hover{transform:translateY(-4px);box-shadow:0 8px 12px #00000026}.audiobook-card:active{transform:translateY(-2px)}.audiobook-icon{font-size:80px;margin-bottom:16px}.audiobook-title{font-size:18px;font-weight:700;color:#333;margin:0 0 8px;text-shadow:0 0 10px rgba(255,255,255,.9),0 0 20px rgba(255,255,255,.7),2px 2px 4px rgba(0,0,0,.5)}.audiobook-author{font-size:14px;color:#666;margin:0;text-shadow:0 0 8px rgba(255,255,255,.9),0 0 16px rgba(255,255,255,.7),1px 1px 3px rgba(0,0,0,.5)}.offline-badge{position:absolute;top:8px;left:8px;background-color:#4caf50f2;color:#fff;padding:6px 12px;border-radius:12px;font-size:12px;font-weight:700;box-shadow:0 2px 4px #0003;z-index:2}.download-button{position:absolute;top:8px;right:8px;width:48px;height:48px;border-radius:50%;border:none;background-color:#fffffff2;color:#333;font-size:24px;font-weight:700;cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #0003;display:flex;align-items:center;justify-content:center;z-index:2}.download-button:hover:not(:disabled){background-color:#fff;transform:scale(1.1);box-shadow:0 4px 8px #0000004d}.download-button:active:not(:disabled){transform:scale(.95)}.download-button.downloading{background-color:#2196f3f2;color:#fff;cursor:wait;animation:pulse 1.5s infinite}.download-button.downloaded{background-color:#4caf50f2;color:#fff;cursor:default}.download-progress{font-size:12px;font-weight:700}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@media(max-width:768px){.audiobook-card{min-height:180px;padding:20px}.audiobook-icon{font-size:60px}.audiobook-title{font-size:16px}.audiobook-author{font-size:12px}.download-button{width:42px;height:42px;font-size:20px}.offline-badge{font-size:11px;padding:5px 10px}}.app-navigation{display:flex;gap:10px;margin-bottom:30px;border-bottom:2px solid rgba(255,255,255,.2);padding-bottom:10px}.nav-tab{flex:1;padding:14px 24px;background:#ffffff1a;color:#fff;border:2px solid transparent;border-radius:12px 12px 0 0;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s;font-family:inherit}.nav-tab:hover{background:#ffffff26}.nav-tab.active{background:#ffffff40;border-bottom:3px solid white;transform:translateY(2px)}@media(max-width:600px){.nav-tab{font-size:1rem;padding:12px 16px}}.library-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.library-header{text-align:center;color:#fff;margin-bottom:32px;padding:20px 0;display:flex;justify-content:center;align-items:center;gap:20px;flex-wrap:wrap}.library-header h1{font-size:36px;margin:0;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.admin-button{background-color:#fff3;color:#fff;border:2px solid white;padding:12px 24px;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;transition:all .2s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.admin-button:hover{background-color:#fff;color:#667eea;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.audiobooks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;max-width:1200px;margin:0 auto}@media(max-width:768px){.library-header h1{font-size:28px}.audiobooks-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px}}.player-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;position:relative}.player-container.with-background{background-size:cover;background-position:center;background-blend-mode:normal}.player-container.with-background:after{content:"";position:absolute;inset:0;background-image:inherit;background-size:cover;background-position:center;opacity:0;z-index:0;transition:opacity .8s ease-in-out}.player-container.with-background.image-loaded:after{opacity:1}.player-container.with-background:before{content:"";position:absolute;inset:0;background:#0006;z-index:1}.player-container>*{position:relative;z-index:2}.player-header{display:flex;align-items:center;padding:20px;gap:20px}.back-button{background:#fff3;color:#fff;border:none;padding:12px 20px;border-radius:12px;font-size:16px;cursor:pointer;transition:background .2s}.back-button:hover{background:#ffffff4d}.player-header h2{margin:0;font-size:24px}.player-content{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:40px 20px 60px;max-width:600px;margin:0 auto;min-height:calc(100vh - 80px)}.player-cover{width:250px;height:250px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:32px;box-shadow:0 12px 24px #0000004d;background-size:cover;background-position:center}.player-icon{font-size:120px}.player-title{font-size:32px;font-weight:700;margin:0 0 8px;text-align:center}.player-author{font-size:18px;margin:0 0 32px;opacity:.9;text-align:center}.loading-container{text-align:center;padding:40px 20px}.spinner{border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.error-container{text-align:center;padding:40px 20px}.error-message{font-size:16px;margin-bottom:20px}.retry-button{background:#fff;color:#667eea;border:none;padding:12px 24px;border-radius:12px;font-size:16px;font-weight:700;cursor:pointer;transition:transform .2s}.retry-button:hover{transform:scale(1.05)}.progress-container{width:100%;display:flex;align-items:center;gap:12px;margin-bottom:24px;padding:12px 0;background:transparent!important;-webkit-backdrop-filter:none;backdrop-filter:none;border-radius:0;border:none;box-shadow:none}.time-display{font-size:13px;min-width:40px;font-weight:500}.progress-bar{flex:1;height:6px;background:#ffffff40;border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:#fff;transition:width .3s;border-radius:3px;box-shadow:0 0 8px #ffffff80}.controls{display:flex;gap:20px;align-items:center;padding:0;background:transparent!important}.control-button{background:#fff3;color:#fff;border:none;padding:16px 24px;border-radius:50px;font-size:18px;cursor:pointer;transition:all .2s;font-weight:700}.control-button:hover{background:#ffffff4d;transform:scale(1.05)}.control-button:active{transform:scale(.95)}.main-button{padding:20px 30px;font-size:36px;background:#fff3;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3)}.main-button:hover{background:#ffffff4d;border-color:#fff6}@media(max-width:768px){.player-cover{width:200px;height:200px}.player-icon{font-size:100px}.player-title{font-size:24px}.player-author{font-size:16px}.control-button{padding:12px 20px;font-size:16px}.main-button{padding:16px 24px;font-size:28px}}