body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    height: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}
body {
    padding: 20px;
    box-sizing: border-box;
}

.container {
    max-width: 800px;
    width: 100%;
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}
p {
    text-align: center;
}
h1 {
    text-align: center;
}
textarea {
    width: 100%;
    padding: 15px;
    margin: 10px 0;
    background-color: #333;
    border: none;
    border-radius: 5px;
    color: #fff;
    font-size: 16px;
    resize: vertical;
    min-height: 150px;
    box-sizing: border-box;
}
.button-container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
}
.button-container button {
    width: calc(50% - 10px);
    padding: 15px;
    background-color: #0066cc;
    border: none;
    border-radius: 5px;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    box-sizing: border-box;
}
.button-container button:hover {
    background-color: #0056b3;
}

a {
    color: #4FA8F7;
    text-decoration: underline;
    transition: color 0.3s ease;
}

a:hover {
    color: #D2E8FF;
}

.logo {
    max-width: 100%;
    height: auto;
    padding: 10px;
}

.large-logo {
    display: block;
}

.small-logo {
    display: none;
}

.logo-credit {
    color: #aaa;
    font-size: 12px;
    text-align: center;
    margin-top: 10px;
}

.github-corner:hover .octo-arm {
    animation:octocat-wave 560ms ease-in-out;
}

@keyframes octocat-wave {
    0%, 100% {
        transform: rotate(0);
    }

    20%, 60% {
        transform: rotate(-25deg);
    }

    40%, 80% {
        transform: rotate(10deg);
    }
}

@media (max-width:500px) {
    .github-corner:hover .octo-arm {
        animation: none;
    }

    .github-corner .octo-arm {
        animation: octocat-wave 560ms ease-in-out;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    textarea {
        font-size: 14px;
        padding: 10px;
    }
    .button-container button {
        padding: 10px;
        font-size: 16px;
    }
}
@media (max-width: 480px) {
    .large-logo {
        display: none !important;
    }

    .small-logo {
        display: block !important;
    }

    h1 {
        font-size: 24px;
    }
    textarea {
        font-size: 12px;
    }
    .button-container {
        flex-direction: column;
        align-items: center;
    }
    .button-container button {
        width: 100%;
        font-size: 14px;
        margin-bottom: 10px;
    }
    .button-container button:last-child {
        margin-bottom: 0;
    }
}