:root{--search-bg: var(--card-bg);--search-border: var(--border-color);--search-color: var(--text-primary);--user-avatar-bg: linear-gradient(135deg, var(--primary-blue), var(--secondary-green))}.search-input{background-color:var(--search-bg)!important;border-color:var(--search-border)!important;color:var(--search-color)!important}.search-input::placeholder{color:var(--text-secondary)!important}.user-avatar{width:40px!important;height:40px!important;background:var(--user-avatar-bg)!important;color:#fff!important;font-weight:600!important}@media(max-width:768px){.header{padding:.5rem!important}.search-input{width:200px!important}}@media(max-width:576px){.search-input,.user-info{display:none!important}}.theme-transition *{transition:background-color .3s ease,border-color .3s ease,color .3s ease,box-shadow .3s ease!important}