.ivd-container {
    max-width: 800px; /* Increased width */
    margin: 40px auto;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    position: relative;
    overflow: hidden;
}

.ivd-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px; /* Gradient top border */
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.ivd-container h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 25px;
    /* Instagram gradient text effect */
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

#ivd-form {
    display: flex;
    gap: 15px; /* Space between input and button */
}

.ivd-container input[type='url'] {
    width: 100%;
    flex-grow: 1; /* Allows input to fill available space */
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.ivd-container input[type='url']:focus {
    border-color: #c13584; /* Instagram-esque pink */
    box-shadow: 0 0 0 3px rgba(193, 53, 132, 0.2);
}

.ivd-container button {
    padding: 15px 30px;
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.2s;
}

.ivd-container button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

#ivd-result {
    margin-top: 25px;
    font-size: 16px;
    color: #333;
}