/* ==========================================================================
   SECTION STICKY ICON GROUP - MIDORI DECOR (RIGHT-ALIGNED, NO PULSE, HOVER TOOLTIP, BACK TO TOP)
   ========================================================================== */

.sticky-icon-group {
    position: fixed !important;
    bottom: 30px !important;
    right: 25px !important;
    left: auto !important;
    display: flex !important;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    z-index: 999999 !important;
    pointer-events: auto !important;
}

.sticky-icon-group__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    position: relative;
    cursor: pointer !important;
    pointer-events: auto !important;
    background: transparent;
    border: none;
    padding: 0;
    outline: none;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.sticky-icon-group__link:hover {
    transform: translateY(-3px) scale(1.05);
}

/* Khung tròn chứa icon */
.sticky-icon-group__icon-wrapper {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-accent, #456C35);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    z-index: 2;
    transition: background-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
    color: #ffffff;
}

.sticky-icon-group__link:hover .sticky-icon-group__icon-wrapper {
    background-color: var(--color-accent-dark, #374426);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.sticky-icon-group__img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    pointer-events: none;
}

/* Tooltip hiển thị khi rê chuột vào */
.sticky-icon-group__tooltip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    background: rgba(40, 55, 28, 0.95);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: #ffffff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    font-family: var(--font-sans, "Mona Sans", sans-serif);
    letter-spacing: 0.3px;
}

.sticky-icon-group__tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -5px;
    transform: translateY(-50%);
    border-width: 5px 0 5px 5px;
    border-style: solid;
    border-color: transparent transparent transparent rgba(40, 55, 28, 0.95);
}

.sticky-icon-group__link:hover .sticky-icon-group__tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

/* NÚT BACK TO TOP (LUÔN HIỂN THỊ TRONG CỤM NÚT) */
.sticky-icon-group__back-to-top {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

.sticky-icon-group__back-to-top .sticky-icon-group__icon-wrapper {
    background-color: #ffffff;
    color: var(--color-accent-dark, #374426);
    border: 1.5px solid var(--color-accent, #456C35);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sticky-icon-group__back-to-top:hover .sticky-icon-group__icon-wrapper {
    background-color: var(--color-accent, #456C35);
    color: #ffffff;
    border-color: var(--color-accent, #456C35);
}

/* Responsive Mobile (< 768px) */
@media (max-width: 768px) {
    .sticky-icon-group {
        bottom: 20px !important;
        right: 15px !important;
        left: auto !important;
        gap: 10px;
    }

    .sticky-icon-group__icon-wrapper {
        width: 42px;
        height: 42px;
    }

    .sticky-icon-group__img {
        width: 20px;
        height: 20px;
    }

    .sticky-icon-group__tooltip {
        display: none !important;
    }
}