body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #6dd5ed, #2193b0);
    text-align: center;
    padding: 20px;
    overflow: hidden;
    position: relative;
    height: 100vh;
}

/* Floating Background Icons */
.floating-icons {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.floating-icons img {
    position: absolute;
    width: 60px;
    opacity: 0.4;
    animation: floatAnimation linear infinite alternate;
}

@keyframes floatAnimation {
    0% { transform: translateY(0) translateX(0); opacity: 0.4; }
    100% { transform: translateY(-50px) translateX(20px); opacity: 0.6; }
}

/* Randomize animation speeds and positions */
.floating-icons img:nth-child(1) { left: 10%; top: 20%; animation-duration: 6s; }
.floating-icons img:nth-child(2) { left: 50%; top: 30%; animation-duration: 8s; }
.floating-icons img:nth-child(3) { left: 70%; top: 10%; animation-duration: 5s; }
.floating-icons img:nth-child(4) { left: 30%; top: 70%; animation-duration: 7s; }
.floating-icons img:nth-child(5) { left: 80%; top: 50%; animation-duration: 9s; }

#signup-container {
    background: white;
    padding: 20px;
    width: 350px;
    margin: auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 10px;
    width: 100%;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: #0056b3;
}

.back-btn a {
    text-decoration: none;
    color: white;
    font-weight: bold;
}