/* Container: The "Card" Look */
.mmt-tool-box {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 30px;
    max-width: 450px; /* Keeps it compact and readable */
    margin: 30px auto; /* Centers it on the page */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); /* Subtle shadow for depth */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Headings inside the tool */
.mmt-tool-box h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: #333;
    text-align: center;
    font-size: 1.4rem;
}

/* Labels */
.mmt-tool-box label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
    font-size: 0.95rem;
}

/* Inputs */
.mmt-tool-box input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    box-sizing: border-box; /* Ensures padding doesn't break width */
    transition: border-color 0.2s;
}

.mmt-tool-box input[type="number"]:focus {
    border-color: #0073aa; /* WordPress Blue */
    outline: none;
}

/* The "Call to Action" Button - Universal Fix */
.mmt-tool-box button {
    width: 100%;
    padding: 15px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 10px; /* Adds a little breathing room */
}

.mmt-tool-box button:hover {
    background-color: #005177;
}

/* The Result Area */
#result-area {
    margin-top: 25px;
    padding: 20px;
    background-color: #f0f9ff; /* Light blue background */
    border: 1px solid #cceeff;
    border-radius: 8px;
    text-align: center;
}

#result-area p {
    margin: 0;
    color: #005177;
    font-size: 1.1rem;
}

/* The big result number */
#gcd-result {
    font-weight: bold;
    font-size: 1.5rem;
    color: #d63638; /* Red color to make the answer pop */
}