.bmi-background {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: url("/images/calculators/parkrun.svg") no-repeat center center/cover;
    padding: 20px;
}

.bmi-container {
    padding: 30px;
    color: white;
    border-radius: 12px;
    background-color: rgba(0, 0, 0, 0.75);
    max-width: 800px;
    margin: 100px auto 10px auto;
    color: #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: Lato, sans-serif;
}

    .bmi-container h1 {
        font-size: 2.8rem;
        color: white;
        font-weight: 700;   
        text-align: center;
    }

.bmi-subtitle {
    font-size: 1rem;
    color: white;
    margin-bottom: 32px;
    text-align: center;
}

.bmi-form {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 32px;
}

.bmi-row {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.bmi-field {
    display: flex;
    flex-direction: column;
    border: 1px solid white;
    border-radius: 10px;
    padding: 1rem;
    flex: 1;
    min-width: 250px;
}

    .bmi-field label {
        font-weight: bold;
        color: white;
        font-size: 1.6rem;
        text-align: center;
        margin-bottom: 12px;
    }

    .bmi-field input[type="number"] {
        padding: 16px;
        font-size: 1.4rem;
        border-radius: 10px;
        border: 2px solid #ccc;
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }

.unit-toggle {
    display: flex;
    justify-content: center;
    margin-top: 12px;
    gap: 8px;
}

.unit-btn {
    padding: 8px 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background: #f0f0f0;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}

    .unit-btn.active {
        background-color: #0F8C3E;
        color: white;
        border-color: #0F8C3E;
    }

    .unit-btn:hover:not(.active) {
        background-color: #ddd;
    }

.bmi-error {
    background-color: #f8d7da;
    color: #842029;
    padding: 10px;
    border-radius: 6px;
    text-align: center;
}

.bmi-submit {
    padding: 14px 36px;
    background-color: #0F8C3E;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    cursor: pointer;
    align-self: center;
    transition: background-color 0.3s;
}

    .bmi-submit:hover {
        background-color: #0c6b2e;
    }

.hidden {
    display: none;
}

.height-inputs input, .weight-inputs input {
    margin-bottom: 8px;
}

.ftin-wrapper, .lb-wrapper {
    display: flex;
    align-items: center;
    gap: 5px;
}

.unit-label {
    color: white;
    font-size: 1.5rem;
}

.bmi-container-result {
    padding: 30px;
    color: white;
    border-radius: 12px;
    background-color: rgba(0, 0, 0, 0.75);
    max-width: 800px;
    margin: 10px auto;
    color: #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: Lato, sans-serif;
}

.bmi-result-box {
    margin-top: 20px;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.bmi-result {
    text-align: center;
    color: white;
}

    .bmi-result h3 {
        margin: 8px 0;
        font-size: 1.5rem;
    }

    .bmi-result p {
        margin: 4px 0;
        font-size: 1.2rem;
    }

.bmi-learn-more {
    margin-left: 12px;
    font-size: 0.95rem;
    color: #007BFF;
    text-decoration: none;
    border-bottom: 1px dashed transparent;
    transition: all 0.3s ease;
}

    .bmi-learn-more:hover {
        border-bottom: 1px dashed #007BFF;
        color: #0056b3;
    }

.bmi-learn-after-result {
    margin-top: 10px;
    text-align: center;
}

    .bmi-learn-after-result a {
        font-size: 0.95rem;
        color: #007BFF;
        text-decoration: none;
        border-bottom: 1px dashed transparent;
        transition: all 0.3s ease;
    }

        .bmi-learn-after-result a:hover {
            border-bottom: 1px dashed #007BFF;
            color: #0056b3;
        }

.bmi-article-container {
    padding: 40px 30px;
    background-color: #f9f9f9;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    max-width: 800px;
    margin: 30px auto;
    font-family: 'Lato', sans-serif;
    color: #333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

    .bmi-article-container h2 {
        font-size: 1.8rem;
        margin-bottom: 20px;
        color: #222;
        text-align: center;
        font-weight: 600;
    }

    .bmi-article-container p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 16px;
        text-align: justify;
    }

    .bmi-article-container ul {
        list-style: none;
        padding-left: 0;
        margin-top: 10px;
    }

        .bmi-article-container ul li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 1rem;
        }

            .bmi-article-container ul li::before {
                content: "✔";
                position: absolute;
                left: 0;
                color: #4CAF50;
                font-size: 1rem;
            }

.bmi-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    font-size: 0.95rem;
}

    .bmi-table th,
    .bmi-table td {
        padding: 12px 16px;
        border-bottom: 1px solid #ddd;
        text-align: left;
    }

    .bmi-table thead {
        background-color: #efefef;
        font-weight: 600;
    }

    .bmi-table tbody tr:hover {
        background-color: #f0f0f0;
    }

.bmi-cta-buttons {
    margin-top: 20px;
    text-align: center;
}

.bmi-download img {
    width: 160px;
    height: auto;
    transition: transform 0.3s ease;
}

    .bmi-download img:hover {
        transform: scale(1.05);
    }


@media (max-width: 768px) {
    .bmi-article-container{
        margin: 20px;
    }

    .bmi-row {
        flex-direction: column;
        gap: 24px;
    }

    .bmi-container h1 {
        font-size: 2.2rem;
    }

    .bmi-subtitle {
        font-size: 0.95rem;
    }

    .bmi-field label {
        font-size: 1.4rem;
    }

    .bmi-field input[type="number"] {
        font-size: 1.2rem;
    }

    .unit-btn {
        font-size: 0.95rem;
    }

    .bmi-submit {
        font-size: 1.1rem;
    }

    .bmi-result h3 {
        font-size: 1.3rem;
    }

    .bmi-result p {
        font-size: 1.1rem;
    }

    .bmi-article-container h2 {
        font-size: 1.6rem;
    }

    .bmi-article-container p,
    .bmi-article-container ul li {
        font-size: 0.95rem;
    }

    .bmi-table {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .bmi-article-container {
        margin: 20px 10px;
    }

    .bmi-container h1 {
        font-size: 1.8rem;
    }

    .bmi-subtitle {
        font-size: 0.9rem;
    }

    .bmi-field label {
        font-size: 1.2rem;
    }

    .bmi-field input[type="number"] {
        font-size: 1rem;
    }

    .unit-btn {
        font-size: 0.9rem;
    }

    .bmi-submit {
        font-size: 1rem;
    }

    .bmi-result h3 {
        font-size: 1.2rem;
    }

    .bmi-result p {
        font-size: 1rem;
    }

    .bmi-article-container h2 {
        font-size: 1.4rem;
    }

    .bmi-article-container p,
    .bmi-article-container ul li {
        font-size: 0.9rem;
    }

    .bmi-table {
        font-size: 0.85rem;
    }
}