*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--sidebar-width: 220px;--header-height: 56px;--primary: #409eff;--primary-hover: #337ecc;--danger: #f56c6c;--danger-hover: #e04040;--success: #67c23a;--warning: #e6a23c;--bg-dark: #1d1e1f;--bg-sidebar: #141414;--bg-main: #f5f7fa;--bg-card: #ffffff;--text-primary: #303133;--text-regular: #606266;--text-secondary: #909399;--text-placeholder: #c0c4cc;--border-color: #dcdfe6;--border-light: #e4e7ed;--border-lighter: #ebeef5;--radius: 6px;--shadow: 0 2px 12px rgba(0, 0, 0, .06);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .1)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;color:var(--text-primary);background:var(--bg-main);-webkit-font-smoothing:antialiased}#app{height:100%}a{color:var(--primary);text-decoration:none}.login-page{display:flex;align-items:center;justify-content:center;height:100vh;background:linear-gradient(135deg,#1d1e1f,#2c3e50)}.login-card{width:400px;padding:40px;background:var(--bg-card);border-radius:12px;box-shadow:0 8px 40px #0000004d}.login-card h1{text-align:center;font-size:24px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.login-card .subtitle{text-align:center;font-size:14px;color:var(--text-secondary);margin-bottom:32px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-regular);margin-bottom:6px}.form-input{width:100%;height:40px;padding:0 12px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:14px;color:var(--text-primary);background:#fff;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px #409eff33}.form-input::placeholder{color:var(--text-placeholder)}.btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 20px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;background:#fff;color:var(--text-primary);-webkit-user-select:none;user-select:none;white-space:nowrap}.btn:hover{border-color:var(--primary);color:var(--primary)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover);border-color:var(--danger-hover);color:#fff}.btn-sm{height:30px;padding:0 12px;font-size:12px}.btn-block{width:100%;height:42px;font-size:15px}.admin-layout{display:flex;height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);color:#ccc;display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{height:var(--header-height);display:flex;align-items:center;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-header h2{font-size:16px;font-weight:600;color:#fff}.sidebar-nav{flex:1;padding:12px 0}.nav-item{display:flex;align-items:center;height:44px;padding:0 20px;cursor:pointer;transition:all .15s;font-size:14px;color:#b0b0b0;-webkit-user-select:none;user-select:none}.nav-item:hover{background:#ffffff0f;color:#fff}.nav-item.active{background:#409eff26;color:var(--primary);border-right:3px solid var(--primary)}.nav-item .nav-icon{margin-right:10px;font-size:16px;width:20px;text-align:center}.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.06)}.sidebar-footer .admin-info{font-size:12px;color:#666;margin-bottom:8px}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.main-content-body{flex:1;display:flex;flex-direction:column;min-height:0;padding:20px;overflow-y:auto}.page-view{flex:1;display:flex;flex-direction:column;min-height:0}.main-header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--bg-card);border-bottom:1px solid var(--border-lighter);flex-shrink:0}.main-header h3{font-size:16px;font-weight:600}.main-body{flex:1;padding:20px 24px 0;display:flex;flex-direction:column;min-height:0}.card-search{flex-shrink:0;margin-bottom:16px}.card-table{flex:1;display:flex;flex-direction:column;min-height:0;margin-bottom:0}.card-table .table-wrapper{flex:1;overflow:auto;min-height:0}.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px}.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-lighter)}.card-header h4{font-size:15px;font-weight:600}.card-body{padding:16px 20px}.search-bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.search-bar .form-input{width:240px}.search-bar select.form-input{width:160px}.table-wrapper{overflow-x:auto}table.data-table{width:100%;border-collapse:collapse;font-size:13px}table.data-table th,table.data-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border-lighter);white-space:nowrap}table.data-table th{font-weight:600;color:var(--text-secondary);font-size:12px;text-transform:uppercase;letter-spacing:.3px;background:#fafafa}table.data-table tbody tr:hover{background:#f5f7fa}table.data-table tbody tr td{color:var(--text-regular)}.tag{display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:4px;font-size:12px;font-weight:500}.tag-success{background:#f0f9eb;color:var(--success)}.tag-danger{background:#fef0f0;color:var(--danger)}.tag-warning{background:#fdf6ec;color:var(--warning)}.tag-primary{background:#ecf5ff;color:var(--primary)}.pagination{display:flex;align-items:center;justify-content:space-between;padding:10px 24px;background:#fafafa;border-top:1px solid var(--border-lighter);flex-shrink:0}.pagination-info{font-size:13px;color:var(--text-secondary);display:flex;align-items:center}.page-size-select{width:auto!important;min-width:110px;height:32px;font-size:13px}.pagination-btns{display:flex;gap:4px}.pagination-btns .btn{min-width:32px;height:32px;padding:0 8px;font-size:13px}.pagination-btns .btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-box{background:var(--bg-card);border-radius:8px;box-shadow:0 8px 40px #0003;width:480px;max-width:90vw;max-height:80vh;display:flex;flex-direction:column}.modal-box-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-lighter)}.modal-box-header h4{font-size:15px;font-weight:600}.modal-close{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:none;background:none;font-size:18px;color:var(--text-secondary);cursor:pointer;border-radius:4px;transition:all .15s}.modal-close:hover{background:#f0f0f0;color:var(--text-primary)}.modal-box-body{padding:20px;overflow-y:auto}.modal-box-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 20px;border-top:1px solid var(--border-lighter)}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);padding:12px 24px;border-radius:var(--radius);font-size:14px;z-index:2000;box-shadow:0 4px 12px #00000026;animation:toast-in .3s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.toast-success{background:#f0f9eb;color:#67c23a;border:1px solid #e1f3d8}.toast-error{background:#fef0f0;color:#f56c6c;border:1px solid #fde2e2}.toast-info{background:#ecf5ff;color:#409eff;border:1px solid #d9ecff}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#c0c4cc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#909399}.play-btn{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border-color);border-radius:50%;background:#fff;font-size:12px;cursor:pointer;transition:all .15s;color:var(--text-regular);-webkit-user-select:none;user-select:none;line-height:1}.play-btn:hover{border-color:var(--primary);color:var(--primary);background:#ecf5ff}table.data-table tbody tr.row-playing{background:#ecf5ff!important}table.data-table tbody tr.row-playing td{color:var(--primary)!important}.floating-player{position:fixed;z-index:999;-webkit-user-select:none;user-select:none;display:flex;flex-direction:row;align-items:stretch;background:#2c2c2c;border-radius:12px;box-shadow:0 8px 32px #00000080;overflow:hidden;border:1px solid rgba(255,255,255,.1)}.floating-player.is-dragging{cursor:grabbing!important}.fp-vinyl-section{display:flex;align-items:center;justify-content:center;width:60px;flex-shrink:0;cursor:grab;background:#222;border-right:1px solid rgba(255,255,255,.08)}.fp-vinyl-section:active{cursor:grabbing}.fp-vinyl{width:46px;height:46px;border-radius:50%;position:relative;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 35% 35%,#333,#111 60%,#0a0a0a);box-shadow:0 2px 12px #0009,0 0 0 2px #ffffff14,inset 0 1px #ffffff14}.fp-vinyl:before{content:"";position:absolute;top:3px;right:3px;bottom:3px;left:3px;border-radius:50%;border:1px solid rgba(255,255,255,.03);box-shadow:0 0 0 2px #ffffff03,inset 0 0 0 2px #ffffff03,0 0 0 5px #ffffff03,inset 0 0 0 4px #ffffff03,0 0 0 9px #ffffff02,inset 0 0 0 7px #ffffff02;background:conic-gradient(from 0deg,transparent 0deg,transparent 200deg,rgba(120,200,255,.08) 215deg,rgba(200,230,255,.12) 220deg,rgba(120,200,255,.08) 225deg,transparent 240deg,transparent 360deg);pointer-events:none}.fp-vinyl:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:linear-gradient(135deg,rgba(255,255,255,.07) 0%,transparent 35%,transparent 65%,rgba(255,255,255,.03) 100%);pointer-events:none}.fp-vinyl-marker{position:absolute;top:4px;left:50%;width:4px;height:4px;border-radius:50%;background:radial-gradient(circle at 40% 35%,#6fc,#0a8a8a);transform:translate(-50%);z-index:1;box-shadow:0 0 3px #64ffc84d;pointer-events:none}.fp-vinyl.is-playing{animation:vinyl-spin 2s linear infinite}@keyframes vinyl-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fp-vinyl-label{width:20px;height:20px;border-radius:50%;background:linear-gradient(145deg,#f0d060,#c8a020);display:flex;align-items:center;justify-content:center;z-index:2;position:relative;box-shadow:inset 0 1px 2px #fff6,inset 0 -1px 2px #0003}.fp-vinyl-label:before{content:"";position:absolute;width:3px;height:3px;border-radius:50%;background:#111;top:50%;left:50%;transform:translate(-50%,-50%)}.fp-vinyl.is-playing .fp-vinyl-label{animation:vinyl-label-still 2s linear infinite}@keyframes vinyl-label-still{0%{transform:rotate(0)}to{transform:rotate(-360deg)}}.fp-play-icon{font-size:7px;color:#7a5a00;text-shadow:0 1px 1px rgba(255,255,255,.3);position:relative;z-index:3;line-height:1;margin-left:.5px}.fp-panel{flex:1;display:flex;flex-direction:column;padding:6px 10px;min-width:0}.fp-top-row{display:flex;align-items:center;gap:8px;margin-bottom:2px;cursor:grab}.fp-top-row:active{cursor:grabbing}.fp-title{font-size:12px;color:#e0e0e0;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}.fp-artist{font-size:11px;color:#999;flex-shrink:0}.fp-progress-row{display:flex;align-items:center;gap:6px;margin-bottom:4px}.fp-btns-row{display:flex;align-items:center;gap:2px}.fp-btns-row .ps-btn{color:#ccc}.fp-btns-row .ps-btn:hover:not(:disabled){background:#ffffff1a;color:#fff}.fp-btns-row .ps-btn:disabled{color:#555}.fp-btns-row .ps-btn-play{background:#409eff;color:#fff}.fp-btns-row .ps-btn-play:hover:not(:disabled){background:#58b0ff;color:#fff}.fp-btns-row .ps-btn-play:disabled{background:#2a4050;color:#555}.fp-volume-area{display:flex;align-items:center;gap:2px;flex:1;min-width:0;margin:0 2px}.fp-volume-area .volume-slider-wrap{flex:1;min-width:40px}.fp-volume-area .volume-slider-track{background:#333}.fp-volume-area .volume-slider-fill{background:#409eff}.fp-volume-area .volume-slider-thumb{background:#fff;border-color:#409eff}.fp-stop-btn{width:24px;height:24px;border:none;background:none;font-size:12px;color:#999;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.fp-stop-btn:hover{background:#ffffff1a;color:#f56c6c}.fp-progress-row .ps-time{color:#999}.fp-progress-row .ps-progress-bar:before{background:#333}.fp-progress-row .ps-progress-fill{background:#409eff}.fp-progress-row .ps-progress-thumb{background:#fff;border-color:#409eff}.fp-volume-area .ps-btn{font-size:12px}.ps-btn{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border:none;background:none;font-size:13px;cursor:pointer;border-radius:4px;color:var(--text-regular);transition:all .15s;-webkit-user-select:none;user-select:none;line-height:1;flex-shrink:0}.ps-btn:hover:not(:disabled){background:#f0f0f0;color:var(--primary)}.ps-btn:disabled{cursor:default;color:var(--text-placeholder)}.ps-btn-play{width:28px;height:28px;font-size:14px;background:var(--primary);color:#fff;border-radius:50%}.ps-btn-play:hover:not(:disabled){background:var(--primary-hover);color:#fff}.ps-btn-play:disabled{background:#e4e7ed;color:var(--text-placeholder)}.admin-cover{width:36px;height:36px;border-radius:4px;overflow:hidden}.admin-cover-img{width:100%;height:100%;object-fit:cover;display:block}.lyrics-pre{white-space:pre-wrap;word-wrap:break-word;font-family:var(--font-mono, monospace);font-size:13px;line-height:1.7;color:#303133;max-height:400px;overflow-y:auto;padding:8px 0}.lyrics-textarea{width:100%;min-height:300px;resize:vertical;font-family:var(--font-mono, monospace);font-size:13px;line-height:1.7}.lyrics-view{max-height:420px;overflow-y:auto}.volume-slider-wrap{flex:1;height:20px;display:flex;align-items:center;cursor:pointer;min-width:0}.volume-slider-track{position:relative;width:100%;height:4px;background:#e4e7ed;border-radius:2px}.volume-slider-fill{position:absolute;top:0;left:0;height:100%;background:var(--primary);border-radius:2px;transition:width .05s}.volume-slider-thumb{position:absolute;top:50%;width:12px;height:12px;background:#fff;border:2px solid var(--primary);border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 1px 3px #0003;pointer-events:none}.ps-time{font-size:10px;color:var(--text-secondary);font-variant-numeric:tabular-nums;flex-shrink:0;min-width:28px;text-align:center}.ps-progress-bar{flex:1;height:20px;display:flex;align-items:center;cursor:pointer;position:relative}.ps-progress-bar:before{content:"";position:absolute;left:0;right:0;height:4px;background:#e4e7ed;border-radius:2px}.ps-progress-fill{position:absolute;left:0;height:4px;background:var(--primary);border-radius:2px;z-index:1;pointer-events:none}.ps-progress-thumb{position:absolute;top:50%;width:12px;height:12px;background:#fff;border:2px solid var(--primary);border-radius:50%;transform:translate(-50%,-50%);z-index:2;box-shadow:0 1px 3px #0003;pointer-events:none}