/* Layer control buttons */

.sublayer-container {
    display: none;
    flex-direction: column;
    margin-left: 0.5rem;
}

.sublayer-container.open {
    display: flex;
}

.group-toggle-btn {
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-top: 1.4rem;
    text-transform: uppercase;
    display: block;
    width: 100%;
    max-width: 200px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 12px;
    text-align: center;
    cursor: pointer;
    border: 1px solid #001F3F;
    color: #001F3F;
    transition: all 0.3s ease;
    background: #e9ecef;
    box-shadow: 5px 5px 12px #c4c6c9,
               -5px -5px 12px #ffffff;
}

.group-toggle-btn:hover, .group-toggle-btn.active:hover {
    background-color: var(--nhc-red);
    color: white;
    border-color: var(--nhc-red);
    opacity: 0.7;
    box-shadow: 4px 4px 15px #c4c6c9,
               -4px -4px 15px #ffffff;
}

.group-toggle-btn.active {
    background-color: var(--nhc-red);
    color: #fff;
    border-color: var(--nhc-red);
    box-shadow: 5px 5px 13px #dbdee1,
               -5px -5px 13px #f7fafd;
}

.sublayer-btn {
    font-weight: 400;
    letter-spacing: 0.03em;
    margin: 0.5rem 0 0.5rem 0.5rem;
    display: block;
    width: 100%;
    max-width: 200px;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    text-align: center;
    cursor: pointer;
    border: 0.29px solid #001F3F;
    color: #001F3F;
    background: #e9ecef;
    transition: all 0.3s ease;
    box-shadow: 4px 4px 7px #dde0e3,
               -4px -4px 7px #f5f8fb;
}

.sublayer-btn.active {
    background-color: var(--nhc-red);
    color: #fff;
    border-color: var(--nhc-red);
    box-shadow: 4px 4px 7px #dde0e3,
               -4px -4px 7px #f5f8fb;
}

.sublayer-btn:hover, .sublayer-btn.active:hover {
    background-color: var(--nhc-red);
    color: white;
    border-color: var(--nhc-red);
    opacity: 0.7;
}

/* Medium screens (992-1199px): narrower buttons to fit col-lg-3 */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .group-toggle-btn {
        max-width: 160px;
        padding: 8px 10px;
        font-size: 11px;
        margin-top: 1rem;
    }

    .sublayer-btn {
        max-width: 160px;
        padding: 4px 8px;
        font-size: 11px;
        margin: 0.3rem 0 0.3rem 0.3rem;
    }

    .sublayer-container {
        margin-left: 0.3rem;
    }
}

/* Stacked layout (<992px): buttons go horizontal */
@media (max-width: 991.98px) {
    .group-toggle-btn {
        margin-top: 0;
        max-width: none;
        width: auto;
        padding: 8px 16px;
        font-size: 11px;
        white-space: nowrap;
    }

    .sublayer-container {
        margin-left: 0;
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.4rem;
    }

    .sublayer-container.open {
        display: flex;
    }

    .sublayer-btn {
        width: auto;
        max-width: none;
        margin: 0;
        padding: 5px 12px;
        font-size: 11px;
        white-space: nowrap;
    }
}

@media (max-width: 576px) {
    .group-toggle-btn {
        padding: 7px 12px;
        font-size: 10px;
    }

    .sublayer-btn {
        padding: 4px 10px;
        font-size: 10px;
    }
}