/* Inline Share Button - Frontend Styles */

/* Container Styles */
.isb-container {
    display: flex;
    align-items: center;
    gap: var(--isb-gap, 8px);
    margin: var(--isb-margin, 10px 0);
}

.isb-container.isb-align-left {
    justify-content: flex-start;
}

.isb-container.isb-align-center {
    justify-content: center;
}

.isb-container.isb-align-right {
    justify-content: flex-end;
}

/* Floating share rail */
.isb-share-container.isb-float-left,
.isb-share-container.isb-float-right {
    position: fixed;
    top: var(--isb-float-offset, 120px);
    z-index: 101;
    margin: 0;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: var(--isb-gap, 8px);
    padding: var(--isb-float-padding-top, 10px) 8px var(--isb-float-padding-bottom, 10px);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid #eaeaea;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); /* Distinct but subtle shadow */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0.22s linear;
    will-change: top, opacity;
}

.isb-share-container.isb-float-left,
.isb-share-container.isb-float-right,
.isb-js-lock-visible,
.isb-structural-rail > .isb-share-container {
    gap: var(--isb-gap, 8px) !important;
    row-gap: var(--isb-gap, 8px) !important;
}

.isb-share-container.isb-float-left,
.isb-share-container.isb-float-right,
.isb-structural-rail > .isb-share-container.isb-js-lock-visible {
    gap: 0 !important;
    row-gap: 0 !important;
}

.isb-share-container.isb-float-left > .isb-btn + .isb-btn,
.isb-share-container.isb-float-right > .isb-btn + .isb-btn,
.isb-structural-rail > .isb-share-container.isb-js-lock-visible > .isb-btn + .isb-btn {
    margin-top: var(--isb-gap, 8px) !important;
}

.isb-share-container.isb-float-left.isb-auto-compact > .isb-btn + .isb-btn,
.isb-share-container.isb-float-right.isb-auto-compact > .isb-btn + .isb-btn,
.isb-structural-rail > .isb-share-container.isb-js-lock-visible.isb-auto-compact > .isb-btn + .isb-btn {
    margin-top: var(--isb-gap, 6px) !important;
}

.isb-share-container.isb-auto-compact {
    --isb-share-actual-size: 30px;
    --isb-gap: 6px;
    padding: 6px 6px 8px !important;
    border-radius: 10px;
}

.isb-share-container.isb-auto-compact .isb-total {
    display: none !important;
}

.isb-share-container.isb-auto-compact.isb-auto-compact-icon-only {
    --isb-share-actual-size: 28px;
    --isb-gap: 5px;
    padding: 6px !important;
    border-radius: 999px;
}

.isb-share-container.isb-auto-compact.isb-auto-compact-icon-only .isb-btn {
    box-shadow: none !important;
}

/* Keep hidden until JS computes final fixed position to avoid first-paint jump/FOUC. */

@media (max-width: 767px) {
    .isb-share-container[data-float-show-mobile="0"] {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .isb-share-container[data-float-show-tablet="0"] {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
}

@media (min-width: 992px) {
    .isb-share-container[data-float-show-desktop="0"] {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
}

.isb-share-container.isb-float-left {
    left: 14px;
}

.isb-share-container.isb-float-right {
    right: 14px;
}

/* Button Base Styles */
.isb-btn {
    color: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    border: 1px solid transparent;
    text-decoration: none !important;
    transition: background-color 0.2s, opacity 0.2s, color 0.2s, border-color 0.2s, border-radius 0.2s;
    box-sizing: border-box;
    vertical-align: middle;
    flex-shrink: 0;
}

.isb-btn:hover {
    opacity: 0.85;
}

.isb-btn i {
    line-height: 1;
}

.isb-btn.isb-has-icon-fallback > i[class*="fa-"] {
    display: none;
}

.isb-fa-ready .isb-btn.isb-has-icon-fallback > i[class*="fa-"] {
    display: inline-block;
}

.isb-btn.isb-has-icon-fallback .isb-icon-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1em;
    min-height: 1em;
    font-family: Arial, Helvetica, sans-serif !important;
    font-style: normal;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    text-rendering: geometricPrecision;
}

.isb-icon-fallback-svg {
    display: block;
    width: 1em;
    height: 1em;
    fill: currentColor;
    color: currentColor;
    overflow: visible;
}

.isb-icon-fallback-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.isb-fa-ready .isb-btn.isb-has-icon-fallback .isb-icon-fallback {
    display: none;
}

.isb-fa-missing .isb-btn.isb-has-icon-fallback > i[class*="fa-"] {
    display: none;
}

.isb-btn.isb-brand-line .isb-icon-fallback-text { font-size: 0.44em; letter-spacing: -0.02em; }
.isb-btn.isb-brand-copy .isb-icon-fallback-text { font-size: 0.38em; letter-spacing: -0.02em; }
.isb-btn.isb-brand-linkedin .isb-icon-fallback-text { font-size: 0.72em; letter-spacing: -0.08em; }
.isb-btn.isb-brand-vk .isb-icon-fallback-text { font-size: 0.62em; letter-spacing: -0.08em; }
.isb-btn.isb-brand-whatsapp .isb-icon-fallback-text,
.isb-btn.isb-brand-telegram .isb-icon-fallback-text { font-size: 0.54em; letter-spacing: -0.08em; }

.isb-btn.isb-shape-square {
    border-radius: 4px;
}

/* Share Button Specific Styles */
.isb-btn.isb-share {
    width: var(--isb-share-actual-size, 32px) !important;
    height: var(--isb-share-actual-size, 32px) !important;
    min-width: var(--isb-share-actual-size, 32px) !important;
    min-height: var(--isb-share-actual-size, 32px) !important;
    font-size: calc(var(--isb-share-actual-size, 32px) * 0.5);
}

.isb-btn-label {
    display: none;
}

.isb-share-has-labels {
    flex-wrap: wrap;
    row-gap: 10px;
}

.isb-share-has-labels .isb-btn.isb-share {
    width: auto !important;
    min-width: var(--isb-share-actual-size, 32px) !important;
    padding-inline: calc(var(--isb-share-actual-size, 32px) * 0.3);
    gap: calc(var(--isb-share-actual-size, 32px) * 0.16);
    max-width: 100%;
}

.isb-share-has-labels .isb-btn-label {
    display: inline-block;
    font-size: clamp(12px, calc(var(--isb-share-actual-size, 32px) * 0.28), 14px);
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
}

.isb-btn.isb-share.isb-shape-rounded {
    border-radius: calc(var(--isb-share-actual-size, 32px) * 0.25);
}

.isb-btn.isb-share.isb-shape-pill {
    border-radius: calc(var(--isb-share-actual-size, 32px) * 0.5);
}

@media (max-width: 767px) {
    .isb-share-has-labels {
        gap: 8px;
    }

    .isb-share-has-labels .isb-btn.isb-share {
        padding-inline: calc(var(--isb-share-actual-size, 32px) * 0.22);
    }

    .isb-share-has-labels .isb-btn-label {
        font-size: 12px;
    }
}

.isb-btn.isb-share .isb-copy-feedback {
    font-size: calc(var(--isb-share-actual-size, 32px) * 0.35);
    font-weight: 800;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: inherit;
    color: #fff !important;
    animation: isb-bounce-in 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.isb-btn.isb-copy-active,
.isb-btn.isb-copy-active.isb-copy-active {
    background-color: #28a745 !important;
    border-color: #28a745 !important;
    transform: scale(1.05);
}

@keyframes isb-bounce-in {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Profile Button Specific Styles */
.isb-btn.isb-profile {
    width: var(--isb-profile-actual-size, 32px) !important;
    height: var(--isb-profile-actual-size, 32px) !important;
    min-width: var(--isb-profile-actual-size, 32px) !important;
    min-height: var(--isb-profile-actual-size, 32px) !important;
    font-size: calc(var(--isb-profile-actual-size, 32px) * 0.5);
    text-decoration: none !important;
}

.isb-btn.isb-profile.isb-shape-rounded {
    border-radius: calc(var(--isb-profile-actual-size, 32px) * 0.25);
}

.isb-btn.isb-profile.isb-shape-pill {
    border-radius: calc(var(--isb-profile-actual-size, 32px) * 0.5);
}

/* Color Schemes */
.isb-btn.isb-scheme-default {
    background-color: #f0f0f0 !important;
    border-color: #ddd !important;
}

.isb-btn.isb-scheme-default i {
    color: #333 !important;
}

.isb-btn.isb-scheme-default .isb-icon-fallback {
    color: #333 !important;
}

.isb-btn.isb-scheme-default:hover {
    background-color: #e2e2e2 !important;
    border-color: #ccc !important;
}

.isb-btn.isb-scheme-monochrome_dark {
    background-color: #343a40 !important;
    border-color: #343a40 !important;
}

.isb-btn.isb-scheme-monochrome_dark i {
    color: #fff !important;
}

.isb-btn.isb-scheme-monochrome_dark .isb-icon-fallback {
    color: #fff !important;
}

.isb-btn.isb-scheme-monochrome_dark:hover {
    background-color: #23272b !important;
    border-color: #23272b !important;
}

.isb-btn.isb-scheme-monochrome_light {
    background-color: #f8f9fa !important;
    border: 1px solid #dee2e6 !important;
}

.isb-btn.isb-scheme-monochrome_light i {
    color: #343a40 !important;
}

.isb-btn.isb-scheme-monochrome_light .isb-icon-fallback {
    color: #343a40 !important;
}

.isb-btn.isb-scheme-monochrome_light:hover {
    background-color: #e9ecef !important;
    border-color: #ced4da !important;
}

/* Count Badge Styles */
.isb-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #e33;
    color: #fff;
    font-size: calc(var(--isb-share-actual-size, 32px) * 0.3);
    padding: calc(var(--isb-share-actual-size, 32px) * 0.05) calc(var(--isb-share-actual-size, 32px) * 0.15);
    border-radius: calc(var(--isb-share-actual-size, 32px) * 0.3);
    line-height: 1.2;
    min-width: calc(var(--isb-share-actual-size, 32px) * 0.2);
    text-align: center;
    font-weight: 700;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
}

/* Total Count Styles */
.isb-total {
    pointer-events: none;
    font-weight: 700;
    color: #555;
    margin: 0 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    text-align: center;
    width: calc(var(--isb-share-actual-size, 32px) * 0.8);
    height: calc(var(--isb-share-actual-size, 32px) * 0.8);
    font-size: calc(var(--isb-share-actual-size, 32px) * 0.35);
    line-height: 1;
    padding: 2px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

.isb-total::before,
.isb-total::after {
    content: "";
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.isb-total-left {
    order: -1;
}

.isb-total-left::before {
    right: -7px;
    border-left: 6px solid #ccc;
}

.isb-total-left::after {
    right: -5px;
    border-left: 5px solid #fff;
    border-top-width: 5px;
    border-bottom-width: 5px;
}

.isb-total-right {
    order: 100;
}

.isb-total-right::before {
    left: -7px;
    border-right: 6px solid #ccc;
}

.isb-total-right::after {
    left: -5px;
    border-right: 5px solid #fff;
    border-top-width: 5px;
    border-bottom-width: 5px;
}

.isb-total-right .isb-total-icon {
    margin-bottom: calc(var(--isb-share-actual-size, 32px) * 0.05);
    display: block;
}

.isb-total-right .isb-total-text {
    display: block;
    line-height: 1;
}

/* Floating vertical rail: combined_right total should point upward to buttons above */
@media (min-width: 783px) {
    .isb-share-container.isb-float-left .isb-total-right::before,
    .isb-share-container.isb-float-right .isb-total-right::before {
        top: -7px;
        left: 50%;
        transform: translateX(-50%);
        border-top: 0;
        border-bottom: 6px solid #ccc;
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
    }

    .isb-share-container.isb-float-left .isb-total-right::after,
    .isb-share-container.isb-float-right .isb-total-right::after {
        top: -5px;
        left: 50%;
        transform: translateX(-50%);
        border-top: 0;
        border-bottom: 5px solid #fff;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
    }
}

@media (max-width: 782px) {
    .isb-share-container.isb-float-left,
    .isb-share-container.isb-float-right {
        left: 50%;
        right: auto;
        top: auto;
        bottom: 14px;
        transform: translateX(-50%);
        flex-direction: row;
        background: rgba(255, 255, 255, 0.94);
        border: 1px solid #dcdcde;
        border-radius: 999px;
        padding: 8px 10px;
        box-shadow: 0 6px 22px rgba(0, 0, 0, 0.16);
    }
}

/* Brand Specific Styles */
.isb-btn.isb-scheme-brand_solid.isb-brand-copy { background-color: #777777 !important; border-color: #777777 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-copy i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-copy { background-color: transparent !important; border: 1px solid #777777 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-copy i { color: #777777 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-copy:hover { background-color: #777777 !important; border-color: #777777 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-copy:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-x { background-color: #000000 !important; border-color: #000000 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-x i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-x { background-color: transparent !important; border: 1px solid #000000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-x i { color: #000000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-x:hover { background-color: #000000 !important; border-color: #000000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-x:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-bluesky { background-color: #0285FF !important; border-color: #0285FF !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-bluesky i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-bluesky { background-color: transparent !important; border: 1px solid #0285FF !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-bluesky i { color: #0285FF !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-bluesky:hover { background-color: #0285FF !important; border-color: #0285FF !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-bluesky:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-native { background-color: #2563EB !important; border-color: #2563EB !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-native i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-native { background-color: transparent !important; border: 1px solid #2563EB !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-native i { color: #2563EB !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-native:hover { background-color: #2563EB !important; border-color: #2563EB !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-native:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-qrcode { background-color: #334155 !important; border-color: #334155 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-qrcode i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-qrcode { background-color: transparent !important; border: 1px solid #334155 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-qrcode i { color: #334155 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-qrcode:hover { background-color: #334155 !important; border-color: #334155 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-qrcode:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-fb { background-color: #1877F2 !important; border-color: #1877F2 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-fb i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-fb { background-color: transparent !important; border: 1px solid #1877F2 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-fb i { color: #1877F2 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-fb:hover { background-color: #1877F2 !important; border-color: #1877F2 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-fb:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-threads { background-color: #000000 !important; border-color: #000000 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-threads i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-threads { background-color: transparent !important; border: 1px solid #000000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-threads i { color: #000000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-threads:hover { background-color: #000000 !important; border-color: #000000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-threads:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-ig { background-color: #E1306C !important; border-color: #E1306C !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-ig i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-ig { background-color: transparent !important; border: 1px solid #E1306C !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-ig i { color: #E1306C !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-ig:hover { background-color: #E1306C !important; border-color: #E1306C !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-ig:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-line { background-color: #00C300 !important; border-color: #00C300 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-line i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-line { background-color: transparent !important; border: 1px solid #00C300 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-line i { color: #00C300 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-line:hover { background-color: #00C300 !important; border-color: #00C300 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-line:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-linkedin { background-color: #0077B5 !important; border-color: #0077B5 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-linkedin i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-linkedin { background-color: transparent !important; border: 1px solid #0077B5 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-linkedin i { color: #0077B5 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-linkedin:hover { background-color: #0077B5 !important; border-color: #0077B5 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-linkedin:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-pinterest { background-color: #E60023 !important; border-color: #E60023 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-pinterest i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-pinterest { background-color: transparent !important; border: 1px solid #E60023 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-pinterest i { color: #E60023 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-pinterest:hover { background-color: #E60023 !important; border-color: #E60023 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-pinterest:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-reddit { background-color: #FF4500 !important; border-color: #FF4500 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-reddit i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-reddit { background-color: transparent !important; border: 1px solid #FF4500 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-reddit i { color: #FF4500 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-reddit:hover { background-color: #FF4500 !important; border-color: #FF4500 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-reddit:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-tumblr { background-color: #36465D !important; border-color: #36465D !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-tumblr i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-tumblr { background-color: transparent !important; border: 1px solid #36465D !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-tumblr i { color: #36465D !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-tumblr:hover { background-color: #36465D !important; border-color: #36465D !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-tumblr:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-vk { background-color: #4680C2 !important; border-color: #4680C2 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-vk i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-vk { background-color: transparent !important; border: 1px solid #4680C2 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-vk i { color: #4680C2 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-vk:hover { background-color: #4680C2 !important; border-color: #4680C2 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-vk:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-whatsapp { background-color: #25D366 !important; border-color: #25D366 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-whatsapp i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-whatsapp { background-color: transparent !important; border: 1px solid #25D366 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-whatsapp i { color: #25D366 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-whatsapp:hover { background-color: #25D366 !important; border-color: #25D366 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-whatsapp:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-telegram { background-color: #0088CC !important; border-color: #0088CC !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-telegram i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-telegram { background-color: transparent !important; border: 1px solid #0088CC !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-telegram i { color: #0088CC !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-telegram:hover { background-color: #0088CC !important; border-color: #0088CC !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-telegram:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-email { background-color: #555555 !important; border-color: #555555 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-email i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-email { background-color: transparent !important; border: 1px solid #555555 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-email i { color: #555555 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-email:hover { background-color: #555555 !important; border-color: #555555 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-email:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid.isb-brand-youtube { background-color: #FF0000 !important; border-color: #FF0000 !important; }
.isb-btn.isb-scheme-brand_solid.isb-brand-youtube i { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-youtube { background-color: transparent !important; border: 1px solid #FF0000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-youtube i { color: #FF0000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-youtube:hover { background-color: #FF0000 !important; border-color: #FF0000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-youtube:hover i { color: #fff !important; }

.isb-btn.isb-scheme-brand_solid .isb-icon-fallback { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline:hover .isb-icon-fallback { color: #fff !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-copy .isb-icon-fallback { color: #777777 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-x .isb-icon-fallback { color: #000000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-bluesky .isb-icon-fallback { color: #0285FF !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-native .isb-icon-fallback { color: #2563EB !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-qrcode .isb-icon-fallback { color: #334155 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-fb .isb-icon-fallback { color: #1877F2 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-threads .isb-icon-fallback { color: #000000 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-ig .isb-icon-fallback { color: #E1306C !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-line .isb-icon-fallback { color: #00C300 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-linkedin .isb-icon-fallback { color: #0077B5 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-pinterest .isb-icon-fallback { color: #E60023 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-reddit .isb-icon-fallback { color: #FF4500 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-tumblr .isb-icon-fallback { color: #36465D !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-vk .isb-icon-fallback { color: #4680C2 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-whatsapp .isb-icon-fallback { color: #25D366 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-telegram .isb-icon-fallback { color: #0088CC !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-email .isb-icon-fallback { color: #555555 !important; }
.isb-btn.isb-scheme-brand_outline.isb-brand-youtube .isb-icon-fallback { color: #FF0000 !important; }
.isb-btn.isb-scheme-brand_outline:hover .isb-icon-fallback { color: #fff !important; }

body.isb-qrcode-modal-open {
    overflow: hidden;
}

.isb-qrcode-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}

.isb-qrcode-modal.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.isb-qrcode-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.66);
    backdrop-filter: blur(4px);
}

.isb-qrcode-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(92vw, 420px);
    margin: min(10vh, 72px) auto 0;
    padding: 24px 24px 22px;
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
    color: #0f172a;
    text-align: center;
}

.isb-qrcode-modal__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 999px;
    background: #e2e8f0;
    color: #334155;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.isb-qrcode-modal__close:hover {
    background: #cbd5e1;
}

.isb-qrcode-modal__title {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.35;
}

.isb-qrcode-modal__body {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.isb-qrcode-modal__image {
    width: min(220px, 62vw);
    height: auto;
    margin: 0 auto;
    border-radius: 14px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    padding: 14px;
    box-sizing: border-box;
}

.isb-qrcode-modal__caption {
    margin: 0;
    font-size: 0.94rem;
    font-weight: 600;
    line-height: 1.5;
}

.isb-qrcode-modal__url {
    color: #2563eb;
    font-size: 0.88rem;
    line-height: 1.5;
    word-break: break-all;
    text-decoration: none;
}

.isb-qrcode-modal__url:hover {
    text-decoration: underline;
}

.isb-qrcode-modal__note {
    margin: 0;
    color: #475569;
    font-size: 0.8rem;
    line-height: 1.6;
}

/* Single Visual Template - Hero Layout */
.si-visual-hero {
    position: relative;
    width: 100%;
    min-height: 400px;
    margin-bottom: 30px;
    background-color: #000;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.si-visual-hero.has-hero-image {
    color: #fff;
    min-height: 550px; /* Fixed height to prevent stretching */
    max-height: 700px;
}

.si-visual-hero.no-hero-image {
    background: #f8f9fa;
    color: #1a1a1a;
    justify-content: center;
    padding: 100px 20px;
    border-bottom: 2px solid #eee;
    min-height: 300px;
}

.si-visual-hero .hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Enhanced Gradient for better readability */
.si-visual-hero.has-hero-image .hero-image-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(0,0,0,0.2) 0%, 
        transparent 30%, 
        transparent 60%, 
        rgba(0,0,0,0.6) 80%, 
        rgba(0,0,0,0.9) 100%);
    pointer-events: none;
}

.si-visual-hero .hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 1.5s ease-out; /* Smooth entrance/hover zoom */
}

.si-visual-hero:hover .hero-bg-img {
    transform: none;
}

.si-visual-hero .hero-text-content {
    position: relative;
    z-index: 2;
    padding: 0 30px 45px; /* Reduced bottom padding */
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

.si-visual-hero.no-hero-image .hero-text-content {
    padding: 0;
    max-width: 800px;
    text-align: center;
}

/* Fluid Typography for Hero Title - More Compact */
.si-visual-hero .si-title-wrap h1.entry-title {
    font-size: clamp(1.4rem, 4vw, 2.5rem);
    line-height: 1.25;
    margin: 15px 0;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.si-visual-hero.no-hero-image .si-title-wrap h1.entry-title {
    color: #1a1a1a;
    text-shadow: none;
}

.si-visual-hero .si-meta-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    font-size: 15px;
    font-weight: 500;
}

.si-visual-hero .byline {
    display: flex;
    align-items: center;
    gap: 8px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.si-visual-hero.no-hero-image .byline {
    text-shadow: none;
    color: #666;
}

.si-visual-hero .byline a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s;
}

.si-visual-hero .byline a:hover {
    opacity: 0.7;
    text-decoration: underline;
}

.si-visual-hero .hero-caption-box {
    position: absolute;
    bottom: 20px;
    right: 30px;
    z-index: 3;
    font-size: 11px;
    opacity: 0.6;
    font-style: italic;
    color: #fff;
}

.si-visual-hero .hero-caption-box.si-featured-caption--below {
    left: 30px;
    right: 30px;
    bottom: 20px;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    opacity: 1;
    font-style: normal;
}

.si-visual-hero .hero-caption-box.si-featured-caption--minimal {
    background: transparent;
    color: rgba(255, 255, 255, 0.82);
    opacity: 1;
    font-style: normal;
}

/* Single 2-3 - apply a subset of visual hero styling */
.si-23-visual-inspired #arcs-single-filter.si-23-visual-media figure {
    position: relative;
    overflow: hidden;
    /*border-radius: 16px;*/
}

.si-23-visual-inspired #arcs-single-filter.si-23-visual-media figure.si-featured-media-figure--has-caption.si-featured-media-figure--caption-overlay::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.02) 35%, rgba(0, 0, 0, 0.45) 100%);
    pointer-events: none;
}

.si-23-visual-inspired #arcs-single-filter.si-23-visual-media img {
    transition: transform 1.2s ease;
}

.si-23-visual-inspired #arcs-single-filter.si-23-visual-media:hover img {
    transform: none;
}

.si-23-visual-inspired #arcs-single-filter.si-23-visual-media figcaption {
    z-index: 2;
}

@media (max-width: 991px) {
    .si-visual-hero .hero-text-content {
        padding: 0 25px 35px;
    }
}

@media (max-width: 767px) {
    .si-visual-hero {
        max-width: 100vw; /* Ensure no horizontal stretching */
        box-sizing: border-box;
    }
    .si-visual-hero.has-hero-image {
        min-height: 400px;
        max-height: 500px;
    }
    .si-visual-hero .hero-text-content {
        padding: 0 20px 30px;
    }
    .si-visual-hero .si-meta-wrap {
        gap: 15px;
        font-size: 13px;
    }
}

/* Article Rail Layout Mode (專業分欄模式 - Stable Version) */
@media (min-width: 992px) {
    /*
     * CLS guard:
     * article_rail is moved into the content column by JS. Reserve the same
     * rail gutter before JS runs so `.isb-rail-active` does not push content
     * after first paint. Keep this CSS-only and scoped to the owner markup.
     */
    @supports selector(:has(*)) {
        #si-single-content.entry-content:has(.isb-share-container[data-float-start="article_rail"][data-float-show-desktop="1"]),
        .entry-content:has(.isb-share-container[data-float-start="article_rail"][data-float-show-desktop="1"]) {
            display: block !important;
            position: relative !important;
            padding-left: calc(var(--isb-rail-width, 100px) + var(--isb-rail-content-gap, 10px)) !important;
            box-sizing: border-box !important;
            min-height: 200px;
            max-width: calc(min(var(--hd-content-max-width-active, 1000px), 100%) + var(--isb-rail-width, 100px) + var(--isb-rail-content-gap, 10px)) !important;
            margin-left: auto !important;
            margin-right: auto !important;
            width: 100% !important;
            overflow: visible !important;
        }

        #si-single-content.entry-content:has(.isb-share-container.isb-float-right[data-float-start="article_rail"][data-float-show-desktop="1"]),
        .entry-content:has(.isb-share-container.isb-float-right[data-float-start="article_rail"][data-float-show-desktop="1"]) {
            padding-left: 0 !important;
            padding-right: calc(var(--isb-rail-width, 100px) + var(--isb-rail-content-gap, 10px)) !important;
        }
    }

    .isb-rail-active {
        display: block !important;
        position: relative !important;
        /* Padding matches the rail width */
        padding-left: calc(var(--isb-rail-width, 100px) + var(--isb-rail-content-gap, 10px)) !important;
        box-sizing: border-box !important;
        min-height: 200px;
        /* Ensure it doesn't stretch past content width on extreme screens */
        max-width: calc(min(var(--hd-content-max-width-active, 1000px), 100%) + var(--isb-rail-width, 100px) + var(--isb-rail-content-gap, 10px)) !important;
        margin-left: auto !important;
        margin-right: auto !important;
        width: 100% !important;
        /* CRITICAL: Sticky won't work if any parent has overflow: hidden */
        /* CRITICAL: Sticky won't work if any parent has overflow: hidden */
        overflow: visible !important;
    }

    .isb-rail-active[data-float-side="right"] {
        padding-left: 0 !important;
        padding-right: calc(var(--isb-rail-width, 100px) + var(--isb-rail-content-gap, 10px)) !important;
    }

    .isb-rail-active.isb-rail-compact-active {
        padding-left: calc(var(--isb-rail-width, 100px) - 12px) !important;
        max-width: calc(min(var(--hd-content-max-width-active, 1000px), 100%) + var(--isb-rail-width, 100px) - 12px) !important;
    }

    .isb-rail-active.isb-rail-compact-active[data-float-side="right"] {
        padding-left: 0 !important;
        padding-right: calc(var(--isb-rail-width, 100px) - 12px) !important;
    }

    .isb-rail-active.isb-rail-icon-only-active {
        padding-left: calc(var(--isb-rail-width, 100px) - 24px) !important;
        max-width: calc(min(var(--hd-content-max-width-active, 1000px), 100%) + var(--isb-rail-width, 100px) - 24px) !important;
    }

    .isb-rail-active.isb-rail-icon-only-active[data-float-side="right"] {
        padding-left: 0 !important;
        padding-right: calc(var(--isb-rail-width, 100px) - 24px) !important;
    }

    /* All standard content elements remain in their natural flow. */
    .isb-rail-active > *:not(.isb-structural-rail):not(.alignleft):not(.alignright) {
        width: 100% !important;
        max-width: none !important;
        box-sizing: border-box !important;
    }

    .isb-structural-rail {
        position: absolute !important;
        top: var(--isb-rail-gap-top, 20px) !important;
        bottom: var(--isb-rail-gap-bottom, 20px) !important;
        left: 0 !important;
        width: calc(var(--isb-rail-width, 100px) - 20px) !important;
        /* height auto-fills between top and bottom; no explicit 100% needed */
        height: auto !important;
        min-height: 0 !important;
        z-index: 110 !important;
        pointer-events: none !important;
        display: flex !important;
        justify-content: flex-start !important;
        align-items: center !important;
        flex-direction: column !important;
    }


    .isb-rail-active[data-float-side="right"] .isb-structural-rail {
        left: auto !important;
        right: 0 !important;
    }


    /* The actual container inside the rail - handled by JS for stable movement */
    .isb-structural-rail > .isb-share-container {
        position: relative !important; /* Managed by JS transform */
        top: 0 !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        transform: translateY(0);
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        margin: 0 !important;
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        z-index: 111 !important;
        will-change: transform;
        transform: translate3d(0, 0, 0); /* GPU Acceleration */
        transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1); /* Premium inertia smoothness */
    }
}

/* [ARTICLE RAIL] JS Lockdown - Force visibility no matter what JS does */
.isb-js-lock-visible {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    display: inline-flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: var(--isb-gap, 8px) !important;
    row-gap: var(--isb-gap, 8px) !important;
}

body.unified-v8-slideout-open .isb-rail-active .isb-structural-rail,
body.unified-v8-slideout-open .isb-rail-active .isb-structural-rail > .isb-share-container,
body.unified-v8-search-overlay-open .isb-rail-active .isb-structural-rail,
body.unified-v8-search-overlay-open .isb-rail-active .isb-structural-rail > .isb-share-container {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

@media (max-width: 767px) {
    .isb-qrcode-modal__dialog {
        width: min(94vw, 380px);
        margin-top: 8vh;
        padding: 20px 18px 18px;
        border-radius: 18px;
    }

    .isb-qrcode-modal__image {
        width: min(208px, 70vw);
        padding: 12px;
    }
}