:root{--bg-color:#f5f5f7;--surface-color:#fff;--sidebar-bg:#f5f5f7;--text-primary:#1d1d1f;--text-secondary:#86868b;--accent-color:#fa243c;--accent-color-hover:#d21d30;--border-color:#d2d2d7;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 6px #0000000d;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media (prefers-color-scheme:dark){:root{--bg-color:#000;--surface-color:#1c1c1e;--sidebar-bg:#111;--text-primary:#f5f5f7;--text-secondary:#86868b;--accent-color:#fa243c;--border-color:#38383a;--shadow-sm:0 1px 3px #00000080;--shadow-md:0 4px 6px #00000080}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100vh;line-height:1.5;overflow-x:hidden}a{color:var(--text-primary);text-decoration:none}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit;transition:opacity .2s}button:hover{opacity:.8}button:disabled{opacity:.5;cursor:not-allowed}.app-layout{grid-template-rows:1fr 80px;grid-template-columns:260px 1fr;height:100vh;display:grid}.main-content{padding:32px;overflow-y:auto}h1{letter-spacing:-.5px;margin-bottom:24px;font-size:34px;font-weight:700}h2{letter-spacing:-.3px;margin-bottom:16px;font-size:24px;font-weight:600}.text-minor{color:var(--text-secondary);font-size:13px}.card{background-color:var(--surface-color);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);border-radius:12px;padding:16px;transition:transform .2s}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.btn-primary{background-color:var(--accent-color);color:#fff;border-radius:8px;padding:10px 20px;font-size:15px;font-weight:600}.btn-primary:hover{background-color:var(--accent-color-hover);opacity:1}.input-base{border:1px solid var(--border-color);width:100%;color:var(--text-primary);background-color:#0000;border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:15px}.input-base:focus{border-color:var(--accent-color);box-shadow:0 0 0 1px var(--accent-color);outline:none}@media (width<=768px){.app-layout{flex-direction:column;display:flex}.main-content{flex:1;padding:16px 16px 150px}}.dialog-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;opacity:0;pointer-events:none;background-color:#000000b3;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:fixed;inset:0}.dialog-overlay.open{opacity:1;pointer-events:auto}.dialog-box{background-color:#282828;border-radius:8px;width:90%;max-width:400px;padding:24px;transition:transform .2s cubic-bezier(.4,0,.2,1);transform:scale(.95);box-shadow:0 16px 32px #00000080}.dialog-box.open{transform:scale(1)}.dialog-title{color:#fff;margin:0 0 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.2s}.dialog-btn:active{transform:scale(.97)}.dialog-btn.cancel{color:#fff;background-color:#0000}.dialog-btn.cancel:hover{opacity:.8}.dialog-btn.confirm{color:#000;background-color:#1ed760}.dialog-btn.confirm:hover{background-color:#1fdf64}.dialog-btn.confirm.danger{color:#fff;background-color:#fa243c}.dialog-btn.confirm.danger:hover{background-color:#fc3c50}.global-uploader-container{width:100%}.upload-progress-widget{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;margin-top:8px;padding:10px 12px;font-size:13px}.upload-header{color:var(--text-secondary);justify-content:space-between;margin-bottom:6px;display:flex}.upload-filename{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:140px;font-weight:500;overflow:hidden}.progress-bar-bg{background-color:var(--border-color);border-radius:2px;width:100%;height:4px;overflow:hidden}.progress-bar-fill{background-color:#1ed760;height:100%;transition:width .1s 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var(--accent-color);width:100%;color:var(--text-primary);border-radius:6px;padding:8px;font-size:14px}.input-playlist:focus{outline:none}.action-btn{color:var(--text-secondary)}.action-btn:hover{color:var(--text-primary)}.sidebar-footer{margin-top:auto}.logout-btn{color:var(--text-secondary)}.logout-btn:hover{color:var(--accent-color)}@media (width<=768px){.sidebar{display:none!important}}.mobile-navbar{display:none}@media (width<=768px){.mobile-navbar{justify-content:space-between;align-items:center;width:100%;display:flex}.mobile-navbar .nav-item span{font-size:10px;font-weight:500;display:block}.mobile-navbar .nav-item.active{color:var(--accent-color);box-shadow:none;background-color:#0000}}.player{background-color:var(--surface-color);border-top:1px solid var(--border-color);grid-column:1/-1;justify-content:space-between;align-items:center;padding:0 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0;border:none;padding:4px}.close-queue-btn:hover{color:var(--text-primary)}.queue-actions{gap:12px;display:flex}.save-playlist-btn{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:4px;padding:6px 12px;font-size:12px;font-weight:600}.save-playlist-btn:hover{background-color:#fa5061}.queue-content{flex:1;padding:10px 0;overflow-y:auto}.queue-section-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;padding:12px 20px;font-size:14px;font-weight:700}.queue-item{cursor:pointer;align-items:center;gap:12px;padding:10px 20px;display:flex}.queue-item:hover{background-color:#ffffff0d}.queue-item.active{background-color:#ffffff14}.queue-item.active 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var(--border-color);border-radius:16px;width:100%;max-width:400px;padding:40px}.auth-header{text-align:center;margin-bottom:32px}.auth-icon{color:var(--accent-color);margin-bottom:16px}.auth-form{flex-direction:column;display:flex}.auth-submit{width:100%;margin-top:8px}.auth-toggle{text-align:center;margin-top:24px}.auth-toggle button{color:var(--text-secondary);font-size:14px}.auth-toggle button:hover{color:var(--accent-color);text-decoration:underline}.auth-error{color:var(--accent-color);background-color:#fa243c1a;border:1px solid #fa243c33;border-radius:8px;margin-bottom:20px;padding:12px;font-size:14px}.auth-message{color:#28a745;background-color:#28a7451a;border:1px solid #28a74533;border-radius:8px;margin-bottom:20px;padding:12px;font-size:14px}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background-color:#0009;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.modal-content{background-color:var(--surface-color);border:1px solid var(--border-color);flex-direction:column;gap:20px;width:100%;max-width:400px;display:flex;box-shadow:0 10px 30px #00000080}.modal-header{justify-content:space-between;align-items:center;display:flex}.modal-header h2{margin:0;font-size:18px}.modal-body{flex-direction:column;gap:16px;display:flex}.input-group{flex-direction:column;gap:8px;display:flex}.input-group label{color:var(--text-secondary);font-size:13px;font-weight:500}.text-input{border:1px solid var(--border-color);color:var(--text-primary);background-color:#ffffff0d;border-radius:6px;outline:none;padding:10px 12px;font-size:14px;transition:border-color 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var(--accent-color);outline:none}.flex-1{flex:1}.analytics-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.analytics-card{align-items:center;gap:16px;display:flex}.analytics-card .icon-wrap{width:48px;height:48px;color:var(--accent-color);background-color:#fa243c0d;border-radius:8px;justify-content:center;align-items:center;display:flex}.analytics-card .info{flex:1}.analytics-card h3{margin-bottom:4px;font-size:20px;font-weight:700}.mini-storage-bar{background-color:var(--border-color);border-radius:2px;height:4px;margin-top:8px;overflow:hidden}.mini-storage-fill{height:100%;transition:width .3s}.logout-wrapper{justify-content:center;margin-top:32px;margin-bottom:64px;display:flex}.btn-danger-outline{border:1px solid var(--accent-color);color:var(--accent-color);cursor:pointer;background-color:#0000;border-radius:8px;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:500;transition:all .2s;display:flex}.btn-danger-outline:hover{background-color:var(--accent-color);color:#fff}