<style> body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', sans-serif;
            background: url("uploadDocBg.jpg") no-repeat center center fixed;
            background-size: cover;
            min-height: 100vh;
            width: 100dvw;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
        }
        header {
            width: 100dvw;
            overflow: hidden;
            background: rgba(0, 0, 0, 0.7);
            text-align: center;
            color: white;
            font-size: 18px;
            font-weight: bold;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        header h1 {
            margin: 0;
            padding: 20px 0;
            font-size: 24px;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        header a {
            color: rgb(222, 222, 255);
            text-decoration: none;
            text-transform: uppercase;
            font-size: 16px;
        }
       header a:hover {
            
            color:rgb(243, 209, 121)
        }
        header nav {
            margin-top: 10px;
            display: flex;
            width: 100%;
            margin-top:20px;
            margin-bottom: -15px;
            text-align: center;
            justify-content: right;
            align-items: center;
            
        }
       header nav li {
            padding:0 30px;
            list-style: none;
               
            
        }


        .container {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            width: 400px;
            padding: 100px 50px;
            margin: auto;
            text-transform: uppercase;
            background: rgb(0 0 0 / 5%);
            border-radius: 32px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 8px 32px rgb(143 140 140 / 50%);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .container h2 {
            color: #ffffff;
            font-size: 28px;
        }

        input[type="file"] {
            display: block;
            margin: 15px 0;
            color: white;
        }

        .preview img {
            max-width: 100%;
            margin-top: 10px;
            border-radius: 8px;
        }

        .btn {
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 40px;
        }

        input, button {
            border: none;
            border-radius: 8px;
            padding: 10px 24px;
            font-size: 16px;
            font-weight: 700;
            font-family: 'Segoe UI', sans-serif;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
        }

        button {
            background: #fff;
            color: #000;
            width: 90%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        }

        button:hover {
            background: #1c1c1c;
            color: white;
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
        }

        .message {
            margin-top: 20px;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: 8px;
            color: #fff;
            width: 100%;
            text-align: center;
            font-size: 14px;
        }
</style>