.sidebar-float {
    position: fixed;
    left: 0;
    top: 65%;
    transform: translateY(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: .6rem;
    padding: .6rem;
}

.sidebar-float a {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 3px 12px rgba(0,0,0,.12);
    transition: transform .25s cubic-bezier(.22,1,.36,1), box-shadow .25s;
    position: relative;
}

.sidebar-float a:hover {
    transform: scale(1.12);
    box-shadow: 0 5px 20px rgba(0,0,0,.18);
}

.sidebar-float a svg {
    width: 24px;
    height: 24px;
}

/* Tooltip */
.sidebar-float a .tip {
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(-6px);
    background: #1a2744;
    color: #fff;
    font-size: .75rem;
    font-weight: 600;
    padding: .35rem .7rem;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s;
}

.sidebar-float a .tip::before {
    content: '';
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: #1a2744;
}

.sidebar-float a:hover .tip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.sidebar-btn-help {
    background: #c0392b;
}
.sidebar-btn-help svg {
    stroke: #fff;
    fill: none;
}

.sidebar-btn-book {
    background: #1a2744;
}
.sidebar-btn-book svg {
    stroke: #fff;
    fill: none;
}

@media (max-width: 768px) {
    .sidebar-float {
        display: none;
    }
}