body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f7f7f7;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    background-image: url(https://4kwallpapers.com/images/wallpapers/spiral-galaxy-milky-way-stars-deep-space-colorful-astronomy-2880x1800-5363.jpg);
    background-size: cover;
}

header {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.438);
    color: #333;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    backdrop-filter: blur(25px);
}

header h1 {
    margin: 0;
    font-size: 2.5em;
    color: #003366; /* Professional dark blue */
}

header p {
    margin-top: 10px;
    font-size: 1.2em;
    color: #336699; /* Slightly lighter blue */
}

.container {
    background: rgba(255, 255, 255, 0.329);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
    text-align: center;
    animation: fadeIn 1s ease-out forwards;
    backdrop-filter: blur(20px);
}

@keyframes fadeIn {
    to { transform: translateY(0); opacity: 1; }
}

h2 {
    margin-bottom: 20px;
    color: #003366; /* Professional dark blue */
}

h3 {
    color: #336699; /* Slightly lighter blue */
}

label {
    display: block;
    margin: 10px 0 5px;
    font-weight: bold;
}

input {
    width: calc(100% - 20px);
    padding: 10px;
    margin-bottom: 15px;
    border: 2px solid #ccc;
    border-radius: 5px;
    transition: border-color 0.3s;
}

input:focus {
    border-color: #2575fc;
    outline: none;
}

button {
    padding: 15px 30px;
    background-color: #2575fc;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}

button:hover {
    background-color: #1e63d6;
    transform: translateY(-3px);
}

#rashi-result {
    background-color: #e3f2fd;
    padding: 15px;
    border-left: 5px solid #2575fc;
    margin-top: 20px;
    font-size: 1.2em;
    color: #2575fc;
    opacity: 0;
    animation: slideIn 0.5s ease-out forwards;
}

@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    color: #333;
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
    margin-top: auto;
}

@media (max-width: 768px) {
    .container {
        padding:0px;
        margin: 15px auto;
    }

    button, #rashi-result {
        padding: 10px;
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2em;
    }

    button, #rashi-result {
        padding: 8px;
        font-size: 0.8em;
    }
}