/* Background and Global Styles */
body {
    background: url('https://images.unsplash.com/photo-1619577625982-d6f34fcf7fd2?crop=entropy&cs=tinysrgb&fit=max&ixid=MXwyMDg4fDB8MHxwaG90by1wYWNrZXx8fHx8fHwxNjg3OTY2NzU0&ixlib=rb-1.2.1&q=80&w=1080') no-repeat center center fixed;
    background-size: cover;
    font-family: 'Rock Salt', cursive;
}

/* Container Style */
.register-box {
    background: rgba(0, 0, 0, 0.6);
    padding: 40px;
    border-radius: 12px;
    margin: 0 auto;
    width: 400px;
    color: white;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.funky-header {
    font-size: 3em;
    text-align: center;
    color: #ffcc00;
    text-shadow: 2px 2px 8px rgba(255, 255, 255, 0.3);
    letter-spacing: 2px;
}

/* Form Inputs Styling */
.funky-input {
    background: transparent;
    border: 2px solid #444;
    padding: 10px;
    border-radius: 10px;
    color: white;
    font-size: 16px;
    margin-bottom: 15px;
    transition: all 0.3s ease-in-out;
}

.funky-input:focus {
    outline: none;
    border-color: #ffcc00;
    box-shadow: 0 0 8px rgba(255, 204, 0, 0.8);
}

/* Submit Button */
.btn-glitter {
    background: linear-gradient(45deg, #ffcc00, #ff66cc, #33cc33);
    color: white;
    border: none;
    border-radius: 25px;
    padding: 12px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease-in-out;
}

.btn-glitter:hover {
    background: linear-gradient(45deg, #ff66cc, #ffcc00, #33cc33);
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

/* Invalid Input Styling */
.is-invalid {
    border-color: #ff3333 !important;
}

.invalid-feedback {
    color: #ff3333;
    font-size: 14px;
    font-style: italic;
}