*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0a0a0a;--bg-secondary: #1a1a1a;--bg-tertiary: #2a2a2a;--text-primary: #ffffff;--text-secondary: #cccccc;--text-muted: #888888;--accent-primary: #4a90e2;--accent-secondary: #357abd;--border-color: #333333;--error-color: #ff6b6b;--success-color: #51cf66;--warning-color: #ffd43b;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", monospace;--border-radius: 8px;--border-radius-sm: 4px;--transition: all .2s ease;--shadow: 0 4px 12px rgba(0, 0, 0, .3)}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow:hidden;height:100vh}#app{height:100vh;display:flex;flex-direction:column}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.auth-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg-primary);display:flex;align-items:center;justify-content:center;z-index:1000}.auth-box{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:2rem;text-align:center;box-shadow:var(--shadow);max-width:400px;width:90%}.auth-title{font-size:1.5rem;margin-bottom:1.5rem;color:var(--text-primary)}.auth-input{width:100%;background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);padding:.75rem;margin-bottom:1rem;border-radius:var(--border-radius-sm);font-family:var(--font-mono);font-size:1rem;transition:var(--transition)}.auth-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px rgba(74,144,226,.2)}.auth-btn{background:var(--accent-primary);border:none;color:#fff;padding:.75rem 2rem;border-radius:var(--border-radius-sm);font-size:1rem;cursor:pointer;transition:var(--transition);min-width:120px}.auth-btn:hover:not(:disabled){background:var(--accent-secondary)}.auth-btn:disabled{opacity:.6;cursor:not-allowed}.auth-error{color:var(--error-color);font-size:.875rem;margin-top:1rem;opacity:0;transition:opacity .3s ease}.auth-error.visible{opacity:1}.player-container{height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.top-bar{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:.75rem 1rem;display:flex;align-items:center;gap:1rem;height:60px;flex-shrink:0}.track-name{flex:1;font-weight:600;font-size:1.1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-primary)}.controls{display:flex;gap:.5rem}.btn{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);padding:.5rem .75rem;border-radius:var(--border-radius-sm);cursor:pointer;font-size:.875rem;transition:var(--transition);display:flex;align-items:center;gap:.25rem}.btn:hover{background:var(--bg-primary);color:var(--text-primary);border-color:var(--accent-primary)}.btn.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.status{font-size:.875rem;color:var(--text-muted);font-family:var(--font-mono);margin-left:auto}.status.error{color:var(--error-color)}.main-content{flex:1;display:flex;overflow:hidden}.playlist{flex:1;background:var(--bg-primary);display:flex;flex-direction:column;border-right:1px solid var(--border-color)}.search-bar{background:var(--bg-secondary);border:none;border-bottom:1px solid var(--border-color);color:var(--text-primary);padding:.75rem 1rem;font-size:.9rem;transition:var(--transition)}.search-bar:focus{outline:none;background:var(--bg-tertiary);border-bottom-color:var(--accent-primary)}.search-bar::placeholder{color:var(--text-muted)}.track-list{flex:1;list-style:none;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border-color) transparent}.track-list::-webkit-scrollbar{width:8px}.track-list::-webkit-scrollbar-track{background:transparent}.track-list::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.track-list::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.track-item{padding:.75rem 1rem;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.05);transition:var(--transition)}.track-item:hover{background:var(--bg-secondary)}.track-item.active{background:var(--bg-tertiary);border-left:3px solid var(--accent-primary)}.track-name{font-weight:500;margin-bottom:.25rem;color:var(--text-primary)}.track-meta{font-size:.8rem;color:var(--text-muted)}.no-tracks{text-align:center;padding:2rem;color:var(--text-muted);font-style:italic}.player-panel{width:350px;background:var(--bg-secondary);display:flex;flex-direction:column;border-left:1px solid var(--border-color)}.audio-container{padding:1rem;border-bottom:1px solid var(--border-color)}audio{width:100%;height:40px;background:var(--bg-tertiary);border-radius:var(--border-radius-sm)}.player-controls{padding:1rem;display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;border-bottom:1px solid var(--border-color)}.info-panel{flex:1;padding:1rem;font-size:.85rem;line-height:1.4;overflow-y:auto;font-family:var(--font-mono)}.info-entry{margin-bottom:.5rem;word-wrap:break-word}.info-entry.error{color:var(--error-color)}.info-time{color:var(--text-muted);margin-right:.5rem}.info-message{color:var(--text-secondary)}.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;text-align:center;padding:2rem}.error-screen h1{font-size:2rem;margin-bottom:1rem;color:var(--error-color)}.error-screen p{margin-bottom:.5rem;color:var(--text-secondary)}.error-screen button{margin-top:1rem;background:var(--accent-primary);border:none;color:#fff;padding:.75rem 1.5rem;border-radius:var(--border-radius-sm);cursor:pointer;font-size:1rem}.error-notification{position:fixed;top:1rem;right:1rem;background:var(--error-color);color:#fff;padding:1rem;border-radius:var(--border-radius);box-shadow:var(--shadow);z-index:9999;animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 768px){.main-content{flex-direction:column}.player-panel{width:100%;height:250px;order:-1}.playlist{flex:1;min-height:0}.top-bar{padding:.5rem;height:50px}.track-name{font-size:1rem}.controls{gap:.25rem}.btn{padding:.4rem .6rem;font-size:.8rem}}@media (max-width: 480px){.auth-box{padding:1.5rem}.auth-title{font-size:1.25rem}.top-bar{flex-wrap:wrap;height:auto;min-height:50px}.status{order:3;flex-basis:100%;margin-left:0;margin-top:.5rem}}