/* Five-language switcher shared by every page. */
html[data-site-lang] .zh,
html[data-site-lang] .en,
html[data-site-lang] .site-lang-de,
html[data-site-lang] .site-lang-es,
html[data-site-lang] .site-lang-fr {
    display: none !important;
}

html[data-site-lang="zh"] .zh,
html[data-site-lang="en"] .en,
html[data-site-lang="de"] .site-lang-de,
html[data-site-lang="es"] .site-lang-es,
html[data-site-lang="fr"] .site-lang-fr {
    display: revert !important;
}

/* Replaces all legacy two-language controls after the shared script loads. */
html.site-i18n-ready .lang-toggle,
html.site-i18n-ready .language-switcher,
html.site-i18n-ready .language-toggle {
    display: none !important;
}

.f1-locale-switcher {
    --switch-accent: #ff183b;
    --switch-bg: rgba(11, 14, 24, 0.92);
    display: block !important;
    position: fixed;
    top: max(14px, env(safe-area-inset-top));
    right: max(16px, env(safe-area-inset-right));
    z-index: 2147483000;
    width: min(390px, calc(100vw - 32px));
    padding: 5px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.07), transparent 55%),
        var(--switch-bg);
    box-shadow:
        0 16px 44px rgba(0, 0, 0, 0.36),
        0 0 28px rgba(255, 24, 59, 0.09);
    -webkit-backdrop-filter: blur(20px) saturate(145%);
    backdrop-filter: blur(20px) saturate(145%);
    color: #fff;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    isolation: isolate;
}

.f1-locale-switcher:focus-within {
    border-color: rgba(255, 255, 255, 0.28);
    box-shadow:
        0 16px 44px rgba(0, 0, 0, 0.4),
        0 0 0 3px rgba(255, 24, 59, 0.13);
}

.f1-locale-track {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, minmax(58px, 1fr));
    align-items: center;
    gap: 2px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
    touch-action: pan-x;
    cursor: grab;
    user-select: none;
}

.f1-locale-track:active {
    cursor: grabbing;
}

.f1-locale-track::-webkit-scrollbar {
    display: none;
}

.f1-locale-indicator {
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    height: 100%;
    width: 58px;
    border-radius: 999px;
    background: linear-gradient(135deg, #ff243f, #d90019);
    box-shadow: 0 8px 24px rgba(255, 24, 59, 0.34);
    transform: translateX(0);
    transition:
        transform 320ms cubic-bezier(.2, .85, .25, 1),
        width 320ms cubic-bezier(.2, .85, .25, 1);
    will-change: transform, width;
}

.f1-locale-button {
    appearance: none;
    min-width: 58px;
    min-height: 40px;
    padding: 8px 10px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #aeb5c7;
    font: inherit;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1;
    cursor: pointer;
    transition: color 180ms ease, opacity 180ms ease;
    white-space: nowrap;
}

.f1-locale-button:hover {
    color: #fff;
}

.f1-locale-button[aria-pressed="true"] {
    color: #fff;
}

.f1-locale-button:focus-visible {
    outline: 2px solid #fff;
    outline-offset: -4px;
}

.f1-locale-hint {
    position: absolute;
    top: calc(100% + 8px);
    right: 14px;
    padding: 5px 9px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(8, 11, 18, 0.92);
    color: #98a2b7;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-4px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.f1-locale-switcher.is-swiping .f1-locale-hint {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 1000px) {
    html.site-has-season-picker header {
        padding-right: 330px !important;
    }
}

@media (max-width: 720px) {
    html.site-i18n-ready body {
        padding-top: 58px !important;
    }

    .f1-locale-switcher {
        top: max(10px, env(safe-area-inset-top));
        right: max(10px, env(safe-area-inset-right));
        width: min(306px, calc(100vw - 58px));
        padding: 4px;
    }

    .f1-locale-track {
        grid-template-columns: repeat(5, 56px);
    }

    .f1-locale-button {
        min-width: 56px;
        min-height: 38px;
        padding-inline: 8px;
        font-size: 0.7rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .f1-locale-indicator,
    .f1-locale-button,
    .f1-locale-hint {
        transition: none !important;
    }
}