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spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.app-header{justify-content:space-between}.app-header,.header-actions{align-items:center;display:flex}.header-actions{gap:20px;margin-right:2rem}.user-info{align-items:center;display:flex;gap:12px}.user-welcome{color:#667eea;font-size:14px;font-weight:500}.user-menu-container{position:relative}.user-menu-btn{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;font-size:18px;font-weight:700;height:36px;justify-content:center;line-height:1;padding:8px 12px;transition:all .3s ease;width:36px}.user-menu-btn:hover{box-shadow:0 4px 12px #667eea4d;transform:translateY(-1px) scale(1.05)}.user-menu-btn:active{transform:translateY(0) scale(1)}.user-dropdown{animation:dropdownSlide .2s ease-out;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 8px 32px #00000026;margin-top:8px;min-width:180px;overflow:hidden;position:absolute;right:0;top:100%;z-index:1000}@keyframes dropdownSlide{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{align-items:center;background:none;border:none;border-bottom:1px solid #f7fafc;color:#4a5568;cursor:pointer;display:flex;font-size:14px;font-weight:500;gap:8px;padding:12px 16px;text-align:left;transition:all .2s ease;width:100%}.dropdown-item:last-child{border-bottom:none}.dropdown-item:hover{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.dropdown-item.logout-item:hover{background:linear-gradient(135deg,#dc3545,#c82333);color:#fff}.app-footer{background:#ffffffe6;color:#718096;font-size:.9rem;margin-top:auto;padding:1rem;text-align:center}@media (max-width:768px){.header-content{padding:0 1rem}.app-title{font-size:2rem}.app-subtitle{font-size:1rem}.app-main{padding:1rem}.main-controls{flex-direction:column;gap:1rem}.add-song-btn{align-self:stretch;justify-content:center}.user-dropdown{min-width:160px;right:-10px}.dropdown-item{font-size:16px;padding:14px 16px}}@media (max-width:480px){.app-title{flex-direction:column;font-size:1.8rem;gap:.25rem}.music-icon{font-size:2rem}}
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