.social-float {
    position: fixed;
    top: 50%;
    z-index: 1090;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 6px;
    --sf-btn-border: rgba(255, 255, 255, 0.22);
    --sf-btn-bg: rgba(24, 28, 36, 0.9);
    --sf-btn-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    --sf-btn-hover-border: #0d6efd;
    --sf-panel-bg: #ffffff;
    --sf-panel-border: rgba(13, 110, 253, 0.16);
    --sf-panel-shadow: 0 14px 28px rgba(0, 0, 0, 0.2);
    --sf-panel-color: #111827;
    --sf-subtitle-color: #6b7280;
    --sf-qrcode-text-color: #374151;
    --sf-qrcode-border: #e5e7eb;
}

.social-float--right {
    right: 16px;
}

.social-float--left {
    left: 16px;
}

.social-float__btn {
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    cursor: pointer;
    padding: 0;
    transition: transform .16s ease, opacity .16s ease;
}

.social-float--theme-light .social-float__btn {
    --sf-btn-border: rgba(31, 41, 55, 0.14);
    --sf-btn-bg: rgba(255, 255, 255, 0.95);
    --sf-btn-shadow: 0 10px 20px rgba(15, 23, 42, 0.12);
    --sf-btn-hover-border: #2563eb;
    --sf-panel-bg: #ffffff;
    --sf-panel-border: rgba(37, 99, 235, 0.2);
    --sf-panel-shadow: 0 18px 32px rgba(15, 23, 42, 0.14);
    --sf-panel-color: #111827;
    --sf-subtitle-color: #6b7280;
    --sf-qrcode-text-color: #374151;
    --sf-qrcode-border: #e5e7eb;
}

.social-float--theme-dark .social-float__btn {
    --sf-btn-border: rgba(148, 163, 184, 0.28);
    --sf-btn-bg: rgba(15, 23, 42, 0.92);
    --sf-btn-shadow: 0 12px 26px rgba(2, 6, 23, 0.42);
    --sf-btn-hover-border: #60a5fa;
    --sf-panel-bg: #0f172a;
    --sf-panel-border: rgba(96, 165, 250, 0.28);
    --sf-panel-shadow: 0 20px 34px rgba(2, 6, 23, 0.5);
    --sf-panel-color: #e5e7eb;
    --sf-subtitle-color: #94a3b8;
    --sf-qrcode-text-color: #cbd5e1;
    --sf-qrcode-border: #334155;
}

.social-float--theme-brand .social-float__btn {
    --sf-btn-border: rgba(255, 255, 255, 0.42);
    --sf-btn-bg: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(14, 165, 233, 0.92));
    --sf-btn-shadow: 0 12px 28px rgba(14, 116, 144, 0.34);
    --sf-btn-hover-border: #f8fafc;
    --sf-panel-bg: linear-gradient(160deg, #eff6ff, #ffffff);
    --sf-panel-border: rgba(37, 99, 235, 0.28);
    --sf-panel-shadow: 0 18px 34px rgba(2, 132, 199, 0.24);
    --sf-panel-color: #0f172a;
    --sf-subtitle-color: #1e3a8a;
    --sf-qrcode-text-color: #1d4ed8;
    --sf-qrcode-border: rgba(37, 99, 235, 0.26);
}

.social-float__btn:hover,
.social-float__btn:focus-visible {
    transform: translateX(-2px);
    opacity: .95;
    outline: none;
}

.social-float__btn:active {
    transform: scale(.97);
}

.social-float__icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0;
}

.social-float__panel {
    position: fixed; 
    top: 50%;
    right: 78px;
    min-width: 200px;
    max-width: 280px;
    transform: translate(24px, -50%);
    opacity: 0;
    z-index: 999999999;
    pointer-events: none;
    transition: transform .2s ease, opacity .2s ease;
    background: rgba(254, 237, 237, 0.98);
    border: 1px solid var(--sf-panel-border);
    border-radius: 14px;
    box-shadow: var(--sf-panel-shadow);
    padding: 20px;
    color: var(--sf-panel-color);
    backdrop-filter: blur(8px);
}

.social-float--left + .social-float__panel {
    left: 78px;
    right: auto;
}

.social-float__panel.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translate(0, -50%);
}

.social-float__panel-title {
    margin: 0;
    font-size: 16px;
    line-height: 1.4;
    font-weight: 600;
}

.social-float__panel-subtitle {
    margin: 6px 0 14px;
    font-size: 12px;
    color: var(--sf-subtitle-color);
}

.social-float__qrcode {
    display: block;
    width: 100%;
    max-height: 220px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid var(--sf-qrcode-border);
}

.social-float__qrcode-text {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
    color: var(--sf-qrcode-text-color);
}

.social-float__close {
    margin-top: 12px;
    width: 100%;
    border-radius: 8px;
}

@media (max-width: 992px) {
    .social-float {
        gap: 8px;
    }
    .social-float--right {
        right: 10px;
    }
    .social-float--left {
        left: 10px;
    }
    .social-float__btn {
        width: 44px;
        height: 44px;
        border-radius: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .social-float__btn,
    .social-float__panel {
        transition: none;
    }
}