.top-nav{z-index:1000;background-color:#fff;justify-content:space-between;align-items:center;width:calc(100% - 250px);height:60px;padding:0 20px;display:flex;position:fixed;top:0;left:250px;box-shadow:0 2px 6px #0000001a}.nav-title{color:#000;font-size:20px;font-weight:600}.upload-btn{color:#fff;cursor:pointer;background-color:#ff4500;border:none;border-radius:6px;padding:8px 16px;font-weight:500;transition:background .3s}.upload-btn:hover{background-color:#e03e00}@media (max-width:768px){.top-nav{width:100%;padding:0 15px;left:0}.nav-title{font-size:18px}.upload-btn{padding:6px 12px;font-size:14px}}@media (max-width:480px){.top-nav{height:50px;padding:0 10px}.nav-title{font-size:16px}.upload-btn{padding:4px 10px;font-size:12px}}@media (max-width:1000px){.top-nav{margin-top:50px;left:0}}.app-container{margin-top:100px}