body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

h1 {
    color: #333;
}

form {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button[type="submit"],
.button-link {
    display: inline-block;
    background-color: #5cb85c;
    color: #fff;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
}

button[type="submit"]:hover,
.button-link:hover {
    background-color: #4cae4c;
}

.result-meta {
    margin: 15px 0;
    padding: 12px;
    border-radius: 4px;
}

.result-meta.success {
    background: #e7f7e8;
    border: 1px solid #97d49a;
    color: #205d24;
}

.result-meta.error {
    background: #fdecec;
    border: 1px solid #f5b7b7;
    color: #8a1f1f;
}

.result-frame {
    width: 100%;
    min-height: 70vh;
    border: 1px solid #d9d9d9;
    border-radius: 6px;
    background: #fff;
}


.helper-text {
    margin: 8px 0 14px;
    color: #5f6368;
    font-size: 0.92rem;
}

.result-meta.warning {
    background: #fff8e1;
    border: 1px solid #f0d98f;
    color: #6d5500;
}