body {
    font-family: Arial, sans-serif;
    background: #f4f6f9;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: auto;
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0px 2px 10px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    height: 180px;
    padding: 10px;
    font-size: 14px;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin-bottom: 15px;
}

.buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

button {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
    color: white;
}

button.ner {
    background: #2e86de;
}

button.re {
    background: #10ac84;
}

button:hover {
    opacity: 0.9;
}

.output-box {
    margin-top: 10px;
}

pre {
    background: #111;
    color: #0f0;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    min-height: 150px;
}