body {
    font-family: 'Inter', Arial, sans-serif;
    background-color: #f9f9f9;
    max-width: 900px;
    margin: 0 auto;
    padding: 30px;
    text-align: center;
    font-size: 20px;
    line-height: 1.6;
    box-sizing: border-box;
    width: 100%;
}

h1 {
    color: #222;
    font-size: 36px;
    margin-bottom: 20px;
}

h3 {
    color: #555;
    font-style: italic;
    font-size: 24px;
    margin-bottom: 15px;
}

a.btn, button, .btn {
    text-decoration: none;
    background-color: #007BFF;
    color: white;
    padding: 14px 28px;
    border-radius: 8px;
    display: inline-block;
    margin: 12px 0;
    font-size: 20px;
    cursor: pointer;
    border: none;
    transition: background-color 0.3s ease;
}

a.btn:hover,
button:hover,
.btn:hover {
    background-color: #0056b3;
}

textarea {
    width: 95%;
    max-width: 700px;
    min-height: 200px;
    padding: 16px;
    font-size: 18px;
    line-height: 1.6;
    overflow: hidden;
    resize: none;
    border-radius: 8px;
    border: 1px solid #ccc;
    transition: border 0.3s ease, box-shadow 0.3s ease;
}

textarea:focus {
    outline: none;
    border: 1px solid #007BFF;
    box-shadow: 0 0 5px #007BFF;
}

.output-box {
    border: 1px solid #ccc;
    background-color: #fff;
    padding: 20px;
    margin: 30px auto;
    max-width: 700px;
    text-align: left;
    font-size: 18px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.error {
    color: red;
    font-weight: bold;
    font-size: 20px;
}

.pareizi {
    color: green;
    font-weight: bold;
    text-decoration: underline;
    font-size: 20px;
}

.button-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.audio-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

audio {
    width: 80%;
    max-width: 800px;
    margin-top: 10px;
    border-radius: 8px;
    background-color: #f0f0f0;
    padding: 10px;
}