styles.css

/* styles.css */
body {
    font-family: Arial, sans-serif;
    background: #f1f1f1;
    padding: 20px;
}

h1 {
    text-align: center;
}

.container {
    max-width: 900px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

textarea {
    width: 100%;
    height: 180px;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ddd;
    resize: vertical;
}

button {
    padding: 10px 20px;
    margin-top: 10px;
    cursor: pointer;
    border-radius: 6px;
    border: none;
    background: #2f6fed;
    color: white;
    font-weight: 600;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 8px;
}

#summaryBox {
    background: #fafafa;
    padding: 15px;
    border-radius: 5px;
    min-height: 120px;
    border: 1px solid #eee;
    margin-top: 10px;
}

.error {
    margin-top: 12px;
    color: #a94442;
    background: #f2dede;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ebccd1;
}