html,body,#root{margin:0;height:100%;background:#f8fafc;color:#1e293b;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:14px}body{overflow:hidden}*{box-sizing:border-box}button{cursor:pointer;background:none;border:none;font-family:inherit;font-size:inherit}button:focus{outline:2px solid #3b82f6;outline-offset:2px;border-radius:4px}input{font-family:inherit;font-size:inherit}.app-container{height:100%;display:flex;overflow:hidden}.sidebar{width:240px;border-right:1px solid #e2e8f0;background:#fff;display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:1rem 1.25rem;font-weight:700;border-bottom:1px solid #e2e8f0;font-size:15px;color:#374151;background:#f8fafc}.content-wrapper{flex:1;display:flex;flex-direction:column;min-width:0}.main-content{flex:1;display:flex;flex-direction:column;min-height:0}.header{padding:.75rem 1rem;border-bottom:1px solid #e0e0e0;background:#fff;display:flex;align-items:center;gap:.75rem;flex-shrink:0}.content-area{flex:1;overflow-y:auto;padding:1rem}.menu-toggle{display:none;padding:.25rem;margin-right:.5rem;border-radius:6px;color:#475569}.album-item{padding:.75rem 1rem;cursor:pointer;border-left:3px solid transparent;transition:.2s;border-radius:0 8px 8px 0;margin:2px 0;font-weight:500}.album-item:hover{background:#3b82f614;border-left-color:#3b82f64d}.album-item.active{background:#3b82f61f;border-left-color:#3b82f6;color:#1d4ed8}.album-item.drag-over{background:#22c55e1f;border-left-color:#22c55e}.album-input{width:100%;padding:.5rem .75rem;border:1px solid #e2e8f0;border-radius:6px;background:#fff;font-size:13px;transition:.2s}.album-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.album-add-btn{padding:.5rem .75rem;background:#3b82f6;color:#fff;border-radius:6px;font-weight:600;font-size:13px;transition:.2s}.album-add-btn:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.album-list{width:100%;font-size:13px;border-collapse:collapse}.album-list-row{border-bottom:1px solid #e0e0e0;transition:background-color .15s}.album-list-row:hover{background:#f9f9f9}.album-list-row.clicked-feedback{background-color:#3b82f626;transition:background-color .05s}.album-list-thumb{width:3.5rem;padding:.5rem .5rem .5rem 0}.album-list-thumb-img{width:3rem;height:3rem;object-fit:cover;border-radius:.25rem}.album-list-thumb-ph{width:3rem;height:3rem;border-radius:.25rem;display:grid;place-items:center;background:#e5e7eb;color:#6b7280;font-size:14px}.album-list-name{padding:.5rem 0}.album-list-date{text-align:right;color:#666;padding:.5rem 0}.upload-button{padding:.75rem 1.25rem;border:1px solid #e2e8f0;border-radius:8px;background:#fff;font-weight:600;display:flex;align-items:center;gap:.5rem;font-size:13px;transition:.2s;color:#475569;box-shadow:0 1px 3px #0000001a}.upload-button:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.upload-progress{position:absolute;left:0;right:0;bottom:-.5rem;height:.25rem;background:#e0e0e0;border-radius:.125rem;overflow:hidden}.upload-progress-bar{height:100%;background:#06c;transition:width .3s}.chat-button{position:fixed;bottom:1rem;right:1rem;width:3rem;height:3rem;background:#06c;color:#fff;border-radius:50%;box-shadow:0 2px 8px #00000026;display:flex;align-items:center;justify-content:center;transition:.2s;z-index:40}.chat-button:hover{transform:scale(1.05);box-shadow:0 4px 12px #0003}.chat-panel{position:fixed;bottom:5rem;right:1rem;width:320px;height:400px;background:#fff;border:1px solid #ddd;border-radius:.5rem;display:flex;flex-direction:column;box-shadow:0 4px 16px #0000001a;z-index:40}.chat-messages{flex:1;overflow:auto;padding:1rem;font-size:13px}.chat-message{margin-bottom:.75rem;padding:.5rem .75rem;border-radius:.375rem;max-width:80%}.chat-message.me{margin-left:auto;background:#e8f4f8;text-align:right}.chat-message.other{background:#f0f0f0}.chat-input-area{border-top:1px solid #ddd;padding:.75rem;display:flex;gap:.5rem}.chat-input{flex:1;padding:.5rem .75rem;border:1px solid #ddd;border-radius:.25rem;font-size:13px}.chat-input:focus{outline:none;border-color:#06c}.chat-send-btn{padding:.5rem 1rem;background:#06c;color:#fff;border-radius:.25rem;font-size:13px;font-weight:500}.player-dock{background:#fff;border-top:1px solid #e2e8f0;flex-shrink:0}.player{display:flex;align-items:center;gap:1rem;padding:.5rem 1rem}.player-left{display:flex;align-items:center;gap:.5rem;min-width:0}.player-cover{width:40px;height:40px;border-radius:.25rem;object-fit:cover;background:#f1f5f9}.player-cover.ph{width:40px;height:40px;border-radius:.25rem;display:grid;place-items:center;background:#e5e7eb;color:#6b7280;font-size:18px}.player-meta{min-width:0}.player-title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}.player-sub{font-size:12px;color:#6b7280;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}.player-center{flex:1;display:flex;flex-direction:column;align-items:center;gap:.35rem}.player-controls{display:flex;align-items:center;gap:.5rem}.player-progress-bar{width:min(700px,90%)}.icon-btn{width:32px;height:32px;display:grid;place-items:center;border:1px solid #e5e7eb;border-radius:999px;background:#fff;transition:.15s}.icon-btn:hover{background:#f8fafc}.icon-btn.primary{background:#0ea5e9;color:#fff;border-color:#0ea5e9}@media (max-width: 768px){.sidebar{position:fixed;top:0;bottom:0;left:0;transform:translate(-100%);transition:transform .3s ease-in-out;z-index:100;height:100%;box-shadow:2px 0 10px #0000001a}.app-container.sidebar-visible .sidebar{transform:translate(0)}.sidebar-overlay{position:fixed;inset:0;background:#0006;z-index:99}.menu-toggle{display:block}.header{padding:.75rem}.header .upload-button{padding:.5rem .75rem;font-size:12px}.header .upload-button svg{width:14px;height:14px}.player{flex-direction:column;align-items:stretch;gap:.5rem;padding-top:.75rem;padding-bottom:.75rem}.player-left{gap:.75rem}.player-title{max-width:none}.player-center{gap:.5rem}.player-progress-bar{width:100%}.album-list,.album-list tbody,.album-list-row{display:block}.album-list-row{display:flex;align-items:center;padding:.5rem 0}.album-list-row{border-bottom:0}.album-list-row:not(:last-child){border-bottom:1px solid #e0e0e0}.album-list-thumb{padding:0 .75rem 0 0}.album-list-name{flex:1;min-width:0;padding:0}.album-list-date{padding:0 0 0 .5rem}.chat-panel{width:calc(100vw - 2rem);max-width:400px}}