/* ============================================================
 * Floating Buttons
 * ============================================================ */

.float-right {
    --float-btn-size: 42px;
    --float-btn-spacing: 8px;
    --float-btn-opacity: 1;
    --float-btn-color: var(--color-ink-3);
    --float-btn-bg: transparent;
    --float-btn-active-color: var(--color-primary);
    position: fixed;
    right: 20px;
    bottom: 96px;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: var(--float-btn-spacing, 8px);
    opacity: var(--float-btn-opacity, 1);
    transition: transform var(--dur, 0.25s) var(--ease, ease), opacity var(--dur, 0.25s) var(--ease, ease);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.float-right.no-shadow .float-btn {
    box-shadow: none;
}

.float-right.no-animation .float-btn {
    transition: none;
}

.float-right.no-animation .float-btn:hover {
    transform: none;
}

.float-right.position-center {
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
}

.float-right.square {
    gap: 0;
    overflow: hidden;
    border-radius: var(--radius-lg, 8px);
    box-shadow: var(--shadow-md, 0 10px 30px rgba(17, 24, 39, 0.12));
}

.float-right .float-btn {
    width: var(--float-btn-size);
    min-height: var(--float-btn-size);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--this-color, var(--float-btn-color));
    background: var(--this-bg, var(--float-btn-bg));
    border: 1px solid var(--color-line-soft, #f0f1f3);
    text-decoration: none;
    box-shadow: var(--shadow, 0 8px 24px rgba(17, 24, 39, 0.08));
    transition: transform var(--dur-fast, 0.15s) var(--ease, ease), box-shadow var(--dur-fast, 0.15s) var(--ease, ease), color var(--dur-fast, 0.15s) var(--ease, ease), background var(--dur-fast, 0.15s) var(--ease, ease);
    cursor: pointer;
    outline: none;
    overflow: visible;
}

.float-right.round .float-btn {
    border-radius: 12px;
}

.float-right.square .float-btn {
    border-radius: 0;
    box-shadow: none;
    border-top-width: 0;
}

.float-right.square .float-btn:first-child {
    border-top-width: 1px;
}

.float-right .float-btn:hover {
    transform: translateY(-2px);
    color: var(--float-btn-active-color, var(--color-primary));
    text-decoration: none;
    box-shadow: var(--shadow-md, 0 10px 30px rgba(17, 24, 39, 0.12));
    z-index: 2;
}

.float-right .float-btn:active {
    transform: scale(0.96);
}

.float-right .float-btn::after {
    content: "";
    position: absolute;
    inset: auto;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: currentColor;
    opacity: 0;
    transform: scale(1);
    pointer-events: none;
}

.float-right .float-btn.is-rippling::after {
    animation: float-btn-ripple 0.55s ease-out;
}

.float-right .float-btn i {
    font-size: 16px;
    line-height: 1;
}

.float-right .float-btn.ontop {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.float-right .float-btn.ontop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.float-right.has-blur-pc .float-btn {
    backdrop-filter: saturate(1.5) blur(10px);
    -webkit-backdrop-filter: saturate(1.5) blur(10px);
}

.float-right .hover-show-con {
    position: absolute;
    display: block;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    min-width: 180px;
    max-width: 280px;
    padding: 12px;
    border-radius: var(--radius-lg, 8px);
    background: var(--surface-1, #fff);
    border: 1px solid var(--color-line);
    box-shadow: var(--shadow-lg, 0 18px 40px rgba(17, 24, 39, 0.18));
    color: var(--color-ink-2);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur-fast, 0.15s) var(--ease, ease), transform var(--dur-fast, 0.15s) var(--ease, ease), visibility var(--dur-fast, 0.15s) var(--ease, ease);
}

.float-right .hover-show-con::before {
    content: "";
    position: absolute;
    top: 50%;
    right: -8px;
    width: 16px;
    height: 16px;
    background: inherit;
    border-top: 1px solid var(--color-line);
    border-right: 1px solid var(--color-line);
    transform: translateY(-50%) rotate(45deg);
}

.float-right .hover-show-con img {
    display: block;
    width: 100%;
    max-width: 160px;
    height: auto;
    margin: 0 auto 10px;
    border-radius: var(--radius, 10px);
}

.float-right .hover-show-con p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-ink-3);
    text-align: center;
}

.float-btn-qrcode {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 120px;
    margin: 0 auto 10px;
    background: #fff;
    border-radius: var(--radius, 10px);
}

.float-right .service-wechat .hover-show-con,
.float-right .service-qq .hover-show-con,
.float-right .qrcode-btn .hover-show-con {
    padding: 14px;
    text-align: center;
}

/* Page QR hover card: keep title/caption centered under the code */
.float-right .qrcode-btn .hover-show-con {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.float-right .qrcode-btn .hover-show-con p {
    width: 100%;
    text-align: center;
    margin-top: 2px;
}

.float-right .qrcode-btn .hover-show-con .float-btn-qrcode__title {
    width: 100%;
    text-align: center;
    margin: 2px 0 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-ink-3);
}


.float-right .service-wechat .hover-show-con img,
.float-right .service-qq .hover-show-con img {
    margin: 0 auto;
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.12);
}

.float-right .service-wechat .hover-show-con p,
.float-right .service-qq .hover-show-con p {
    display: none;
}

.float-right .newadd-btns .hover-show-con {
    min-width: 196px;
    padding: 10px;
}

.float-add-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.float-add-menu__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--color-ink-2);
    text-decoration: none;
    transition: background var(--dur-fast, 0.15s) var(--ease, ease), color var(--dur-fast, 0.15s) var(--ease, ease), transform var(--dur-fast, 0.15s) var(--ease, ease);
}

.float-add-menu__item i {
    width: 18px;
    text-align: center;
    color: var(--color-primary, var(--color-primary));
}

.float-add-menu__item:hover {
    background: var(--color-primary-soft, rgba(240, 68, 148, 0.1));
    color: var(--color-primary, var(--color-primary));
    transform: translateX(-2px);
}

.float-btn-qrcode :deep(canvas),
.float-btn-qrcode :deep(img),
.float-btn-qrcode svg {
    display: block;
    margin: 0 auto;
}

.float-right .float-btn:hover .hover-show-con,
.float-right .float-btn:focus-visible .hover-show-con {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(-50%) translateX(-4px);
}

.float-right.scrolling-hide.is-hidden,
.float-right.scroll-down-hide.is-hidden {
    transform: translateX(calc(100% + 24px));
}

.float-right.position-center.scrolling-hide.is-hidden,
.float-right.position-center.scroll-down-hide.is-hidden {
    transform: translateX(calc(100% + 24px)) translateY(-50%);
}

.float-right__html {
    font-size: 13px;
    line-height: 1.6;
}

.float-right__html a {
    color: var(--color-primary, var(--color-primary));
}

.float-right__html a:hover {
    color: var(--color-primary-hover, #7099CC);
}

@keyframes float-btn-ripple {
    0% {
        opacity: 0.22;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(14);
    }
}

/*
 * Theme float glyph: light → moon, dark → sun.
 * Match nav toggle + theme.js contract. Class-driven only.
 */
.float-right .float-btn__icon-sun {
    display: none !important;
}

.float-right .float-btn__icon-moon {
    display: inline-block !important;
}

html.dark .float-right .float-btn__icon-moon,
body.theme-dark .float-right .float-btn__icon-moon,
body.dark-theme .float-right .float-btn__icon-moon {
    display: none !important;
}

html.dark .float-right .float-btn__icon-sun,
body.theme-dark .float-right .float-btn__icon-sun,
body.dark-theme .float-right .float-btn__icon-sun {
    display: inline-block !important;
}

/* VIP float rail entry */
.float-right .float-btn.pay-vip {
    color: var(--this-color, #f5a623);
}

.float-right .float-btn.pay-vip:hover {
    color: var(--this-color, #f5a623);
    opacity: 0.9;
}

.float-right .float-btn.signin-loader {
    cursor: pointer;
}

/* Dark: solid surface + brighter icon so transparent btn doesn't vanish */
html.dark .float-right,
body.theme-dark .float-right,
body.dark-theme .float-right {
    --float-btn-color: var(--color-ink-2, #e5eef7);
    --float-btn-bg: var(--surface-1, #323335);
}

html.dark .float-right .float-btn,
body.theme-dark .float-right .float-btn,
body.dark-theme .float-right .float-btn {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    color: var(--this-color, var(--float-btn-color));
    background: var(--this-bg, var(--float-btn-bg));
}

html.dark .float-right .hover-show-con,
body.theme-dark .float-right .hover-show-con,
body.dark-theme .float-right .hover-show-con {
    background: var(--surface-2, #1f2430);
    border-color: rgba(255, 255, 255, 0.08);
}

@media (max-width: 767px) {
    .float-right {
        right: 12px;
        bottom: 84px;
        --float-btn-size: 40px;
    }

    .float-right.has-blur-mobile .float-btn {
        backdrop-filter: saturate(1.5) blur(10px);
        -webkit-backdrop-filter: saturate(1.5) blur(10px);
    }

    .float-right .hover-show-con {
        max-width: min(240px, calc(100vw - 84px));
    }

    .float-right .float-btn.hide-on-mobile {
        display: none;
    }
}

@media (min-width: 768px) {
    .float-right .float-btn.hide-on-pc {
        display: none;
    }
}