/* Reset some default styles */
 * {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
}

body {
    /* Gradient background with animation */
    background: linear-gradient(135deg, #1E3A8A, #3B82F6);
    background-size: 400% 400%;
    animation: gradientAnimation 10s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

@keyframes gradientAnimation {
    0% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
    100% { background-position: 0% 0%; }
}

.card {
    background: #ffffff; /* White background for the card */
    color: #333; /* Dark color for text */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
    max-width: 90%;
    width: 600px;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

.error {
    position: relative;
    z-index: 1;
}

.error span {
    display: block;
    font-size: 2.5rem;
    color: red; /* Darker color for emphasis */
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.error p {
    color: #555; /* Slightly lighter color for readability */
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

button {
    width: 150px;
    padding: 12px;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    background-color: #1E3A8A;
    color: #ffffff;
    cursor: pointer;
    border-radius: 5px;
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s, transform 0.3s;
    z-index: 1;
}

button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 300%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: width 0.3s, height 0.3s;
    transform: translate(-50%, -50%);
}

button:hover::before {
    width: 0;
    height: 0;
}

button:hover {
    background-color: #3B82F6;
    transform: scale(1.1);
}

button:focus {
    outline: none;
}