.album-art{width:100%;height:auto;aspect-ratio:1/1;max-width:320px;margin:0 auto 10px;background:#f0f0f0;border-radius:10px;transition:transform .8s ease;overflow:hidden;flex-shrink:0}.album-art:hover{transform:rotateY(180deg)}img{width:100%;height:100%;object-fit:cover;pointer-events:none}.placeholder{width:300px;height:300px;background:linear-gradient(135deg,#f0f0f0,#e0e0e0);display:flex;align-items:center;justify-content:center;font-size:80px;border-radius:12px;color:#999;box-shadow:0 4px 6px #0000001a;-webkit-user-select:none;user-select:none}@keyframes shine{0%{background-position:-100% 0}to{background-position:100% 0}}.playlist-add{background-color:#fff;border-radius:10px;box-shadow:0 4px 12px #00000026;max-width:500px;width:60vw;overflow:hidden}.header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background-color:#f5f5f5}.header h1{margin:0;font-size:1.25rem;color:#333}.close-btn{width:24px;height:24px;position:relative;cursor:pointer}.close-btn:before,.close-btn:after{content:"";position:absolute;width:18px;height:2px;background-color:#333;top:50%;left:50%}.close-btn:before{transform:translate(-50%,-50%) rotate(45deg)}.close-btn:after{transform:translate(-50%,-50%) rotate(-45deg)}.content{padding:20px}.add-music-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:4px}.form-group label{font-weight:500;font-size:1rem;color:#333}.form-group input{padding:10px;border:1px solid #ddd;border-radius:10px;font-size:14px;transition:border-color .2s}.form-group input:focus{border-color:#4a90e2;outline:none}.form-group small{font-size:12px;color:#666}.form-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:8px}.btn-cancel,.btn-submit{padding:10px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:background-color .2s smooth}.btn-cancel{background-color:#f5f5f5;color:#333}.btn-cancel:hover{background-color:#e0e0e0}.btn-submit{background-color:#2196f3;color:#fff}.btn-submit:hover{background-color:#3a80d2}.btn-submit:disabled{background-color:#a0c4f0;cursor:not-allowed}.error-message{margin-top:16px;padding:10px;background-color:#ffe6e6;border:1px solid #ffcccc;border-radius:4px;color:#d33;font-size:14px}.success-message{margin-top:16px;padding:10px;background-color:#e6ffe6;border:1px solid #ccffcc;border-radius:4px;color:#3d8a3d;font-size:14px}.volume-control-container{position:relative;display:flex;flex-direction:column;align-items:center;width:40px;padding:10px 5px}.volume-slider-container{height:100px;display:flex;align-items:center;justify-content:center}.volume-slider-wrapper{position:relative;width:20px;height:80px}.volume-track{position:absolute;top:0;left:50%;transform:translate(-50%);width:6px;height:80px;background:#ddd;border-radius:3px;pointer-events:none}.volume-progress{position:absolute;bottom:0;left:0;width:100%;background:#2196f3;border-radius:3px;transition:height .1s ease}.volume-slider{position:absolute;top:50%;left:50%;width:80px;height:8px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;cursor:pointer;outline:none;z-index:2;transform:translate(-50%,-50%) rotate(-90deg);transform-origin:center center}.firefox-slider{position:absolute;top:0;left:50%;width:6px;height:80px;transform:translate(-50%);writing-mode:vertical-lr;direction:rtl;background:linear-gradient(to top,#2196F3 var(--volume, 0%),#ddd var(--volume, 0%));border-radius:3px}.volume-slider:not(.firefox-slider)::-webkit-slider-runnable-track{width:100%;height:8px;border-radius:4px;background:linear-gradient(to right,#2196F3 var(--volume, 0%),#ddd var(--volume, 0%));border:none}.volume-slider:not(.firefox-slider)::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#2196f3;cursor:pointer;margin-top:-4px;transition:transform .2s ease;box-shadow:0 2px 4px #0003;border:none}.firefox-slider::-moz-range-track{background:transparent;border:none}.firefox-slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#2196f3;border:none;cursor:pointer;transition:transform .2s ease;box-shadow:0 2px 4px #0003}.volume-slider::-webkit-slider-thumb:hover,.volume-slider::-moz-range-thumb:hover{transform:scale(1.1);background:#1976d2}.volume-slider:active::-webkit-slider-thumb,.volume-slider:active::-moz-range-thumb{transform:scale(1.2)}.controls{display:flex;gap:20px;height:50px;justify-content:center;align-items:center}button{padding:.775rem 1rem;background:none;border:none;cursor:pointer;color:#2c3e50;font-size:1.2rem;border-radius:50%;transition:transform .2s}button:hover{transform:scale(1.05);background:#2196f3;transform:translateY(-.125rem);box-shadow:0 .125rem .5rem #0003}svg{width:20px;height:20px}.pulse{animation:pulse 1.5s infinite}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.volume-control-container{position:relative;display:inline-block;vertical-align:middle}.volume-popup{position:absolute;bottom:110%;left:70%;transform:translate(-50%);background-color:#1e1e1ee6;border-radius:8px;z-index:1000;box-shadow:0 4px 15px #0000004d;display:flex;flex-direction:column;align-items:center}.volume-popup:after{content:"";position:absolute;top:100%;left:50%;margin-left:-8px;border-width:8px;border-style:solid;border-color:rgba(30,30,30,.9) transparent transparent transparent}audio[data-v-3a70a98f]{display:none}.lyrics-wrapper{width:100%;max-width:100%;overflow:hidden}.loading,.no-lyrics{color:#888;font-size:16px;text-align:center;padding:25%}.lyrics{margin:6px 0;padding:12px 20px 12px 12px;font-size:18px;transition:all .18s ease;transform-origin:left center;word-break:break-word;max-width:100%;min-height:1.2em}.lyrics.active{transform:translate(4px) scale(1.1);border-radius:12px;font-size:18px;font-weight:700;color:#2196f3;background:#2baed21a;position:relative;z-index:1}.lyrics p{margin:0;line-height:1.6;padding:4px 0}.lyrics.active p{color:#2baed2}.lyrics .english{font-size:1.1em}.lyrics .chinese{font-size:.9em}.lyrics.active .english{color:#2baed2;font-size:1.1em}.lyrics.active .chinese{color:#2baed2;font-size:1em}.lyrics-display{height:100%;padding:8px;flex:1;overflow-y:auto;overflow-x:hidden;scrollbar-width:none;-ms-overflow-style:none;position:relative;scroll-behavior:smooth}.lyrics-display::-webkit-scrollbar{width:0;height:0;background:transparent}.karaoke-text{color:#888;transition:color .2s linear}.karaoke-text.active{color:#2baed2}.main-container{display:flex;justify-content:space-between;align-items:center;padding:0;margin:0 1.5vw;min-height:100vh;min-width:93.5vw;align-items:start;width:fit-content;height:fit-content}.player-container{width:min(90vw,350px);height:90vh;min-height:35.5rem;margin-top:5vh;margin-right:2.5vw;padding:20px;background:#f5f5f5;border-radius:15px;box-shadow:0 4px 6px #0000001a;box-sizing:border-box;scroll-behavior:smooth;display:flex;flex-direction:column;transition:all .3s ease;gap:1.5%;z-index:1}.lyrics-container{position:sticky;margin-top:5vh;height:90vh;min-height:35.5rem;width:100%;min-width:30rem;display:flex;flex-direction:column;padding:1.25rem 2rem 1.8rem 1.25rem;background:#f5f5f5;border-radius:15px;box-shadow:0 4px 6px #0000001a;overflow-y:auto;overflow-x:hidden;box-sizing:border-box;scroll-behavior:smooth;transition:all .3s ease;scrollbar-width:none;-ms-overflow-style:none}.lyrics-container::-webkit-scrollbar{width:0;height:0;background:transparent}@media (max-width: 800px),(max-height: 35.4rem){.main-container{grid-template-columns:1fr;display:flex;flex-direction:column;margin-top:5vw}.player-container{position:static;max-width:100%;margin:0 auto}.lyrics-container{position:static;min-width:unset;width:min(90vw,350px);max-width:100%;margin:5vh auto}}.album-art{margin-bottom:1rem}.playlist,.progress{margin:1rem 0}.error{grid-column:1 / -1;padding:2rem;background:#ffe6e6;border-radius:8px;color:#c00;margin-top:2rem}.error ul{padding-left:2rem;margin-top:1rem}.error li{list-style-type:disc;margin-bottom:.5rem}*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,sans-serif}body{background:#e0e0e0;min-height:100vh;display:flex;align-items:center;padding:0;justify-content:center}