.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 85px;
    background: rgba(34, 34, 34, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    z-index: 1000;
    padding: 0 12px 0 12px;
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
    will-change: transform;
}
.bottom-nav .nav-item {
    flex: 1;
    text-align: center;
    color: #676D75;
    text-decoration: none;
    padding-bottom: 18px;
    transition: color 0.2s, font-weight 0.2s, transform 0.2s;
    position: relative;
    font-size: 1em;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 16px;
    justify-content: flex-end;
}

.bottom-nav .nav-item:hover {
    transform: translateY(-2px);
}

.bottom-nav .nav-item.active:hover {
    transform: translateY(-2px);
}
.bottom-nav .nav-item .icon img {
    width: 24px;
    height: 24px;
    display: block;
    transition: filter 0.2s;
}

.bottom-nav .nav-item.calendar .icon img{
    width: 28px;
    height: 28px;
}

.bottom-nav .nav-item.active .icon img {
    filter: none;
}
.bottom-nav .nav-item.active .label {
    color: #fff;
}
.bottom-nav .nav-item .label {
    color: #676D75;
    font-size: 0.8em;
    margin-top: 2px;
    font-weight: 400;
}
/* Calendar icon as regular nav item, no label */
.bottom-nav .nav-item.calendar .icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    background: rgba(119, 82, 170, 0.8);
    border: 2px solid rgba(119, 82, 170, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: background 0.2s, border 0.2s, transform 0.2s;
    margin-bottom: 8px;
    transform: scale(1.05);
}
.bottom-nav .nav-item.calendar.active .icon {
    background: rgba(119, 82, 170, 0.675);
    border: 2px solid rgba(119, 82, 170, 0.8);
    transform: scale(1.05);
}
.bottom-nav .nav-item.calendar .label {
    display: none;
}
@media (min-width: 768px) {
    .bottom-nav {
        height: 70px;
        padding-bottom: 0;
    }

    .bottom-nav .nav-item {
        padding-bottom: 8px !important;
    }

    .nav-item.calendar {
        padding-bottom: 12px !important;
        
    }
    .bottom-nav .nav-item,
    .bottom-nav .nav-item .icon,
    .bottom-nav .nav-item.calendar .icon {
        margin-bottom: 0 !important;
        
    }

}
@media (display-mode: browser) {
    .bottom-nav {
        height: 70px;
        padding-bottom: 0;
    }

    .bottom-nav .nav-item {
        padding-bottom: 8px !important;
    }

    .nav-item.calendar {
        padding-bottom: 12px !important;
        
    }
    .bottom-nav .nav-item,
    .bottom-nav .nav-item .icon,
    .bottom-nav .nav-item.calendar .icon {
        margin-bottom: 0 !important;
        margin-bottom: 16px;
        
    }

    .bottom-nav .nav-item .icon img {
        width: 28px;
        height: 28px;
        margin-bottom: 4px;
    }

}
.bottom-nav--hidden {
    transform: translateY(100%);
}