/* AtomTech - Menu lateral configurable */

.atm-menu {
    margin-bottom: 1rem;
    border: 1px solid #e6e6e6;
    border-radius: 4px;
    overflow: hidden;
    background: #fff;
}

.atm-menu__title {
    margin: 0;
    padding: 12px 15px;
    background: #d8232a; /* rojo AtomTech */
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.95rem;
    letter-spacing: .02em;
}

.atm-menu__groups {
    list-style: none;
    margin: 0;
    padding: 0;
}

.atm-group {
    border-top: 1px solid #ededed;
}
.atm-group:first-child {
    border-top: none;
}

.atm-group__header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 15px;
    cursor: pointer;
    color: #333;
    font-weight: 600;
    font-size: 0.9rem;
    user-select: none;
    transition: background .15s ease;
}
.atm-group__header:hover {
    background: #f6f6f6;
}

.atm-group__icon {
    font-size: 18px;
    color: #d8232a;
}

.atm-group__name {
    flex: 1 1 auto;
}

.atm-group__arrow {
    flex: 0 0 auto;
    font-size: 12px;
    color: #999;
    transition: transform .18s ease;
}
.atm-group--open > .atm-group__header .atm-group__arrow {
    transform: rotate(90deg);
}

.atm-group__items {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    background: #fafafa;
    transition: max-height .25s ease;
}
.atm-group--open > .atm-group__items {
    max-height: 1500px;
}

.atm-item a {
    display: block;
    padding: 9px 15px 9px 28px;
    color: #555;
    font-size: 0.86rem;
    text-decoration: none;
    border-top: 1px solid #efefef;
    transition: color .12s ease, background .12s ease;
}
.atm-item a:hover {
    color: #d8232a;
    background: #fff;
    text-decoration: none;
}