/* ===== SunMin i18n – 语言切换器 & RTL 适配 ===== */

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-switcher {
    position: relative;
}

.lang-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: rgba(255, 255, 255, 0.72);
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 11px;
    line-height: 1;
    letter-spacing: 1px;
    cursor: pointer;
    transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.lang-trigger:hover,
.lang-switcher.open .lang-trigger {
    color: var(--cyan);
    background: rgba(0, 242, 255, 0.06);
    border-color: rgba(0, 242, 255, 0.45);
    box-shadow: 0 0 12px rgba(0, 242, 255, 0.12);
}

.lang-trigger:focus-visible {
    outline: 1px solid var(--cyan);
    outline-offset: 2px;
    color: var(--cyan);
}

.lang-globe {
    width: 14px;
    height: 14px;
    opacity: 0.75;
    transition: opacity 0.25s ease;
}

.lang-trigger:hover .lang-globe,
.lang-switcher.open .lang-globe {
    opacity: 1;
}

.lang-trigger-code {
    min-width: 16px;
    text-align: center;
}

.lang-chevron {
    width: 10px;
    height: 10px;
    opacity: 0.6;
    transition: transform 0.25s ease;
}

.lang-switcher.open .lang-chevron {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    inset-inline-end: 0;
    width: 276px;
    padding: 6px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: rgba(4, 6, 12, 0.96);
    border: 1px solid rgba(0, 242, 255, 0.18);
    border-radius: 6px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 242, 255, 0.08);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px) scale(0.98);
    transform-origin: top right;
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    z-index: 60;
}

[dir="rtl"] .lang-menu {
    transform-origin: top left;
}

.lang-switcher.open .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 8px 10px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: rgba(255, 255, 255, 0.72);
    font-family: var(--font-sans, 'Space Grotesk', sans-serif);
    font-size: 12px;
    letter-spacing: 0.3px;
    text-align: start;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease;
}

.lang-option:hover,
.lang-option:focus-visible {
    outline: none;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.lang-option:focus-visible {
    box-shadow: inset 0 0 0 1px rgba(0, 242, 255, 0.45);
}

.lang-option.active {
    color: var(--cyan);
    background: rgba(0, 242, 255, 0.08);
}

.lang-name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lang-check {
    flex: 0 0 auto;
    width: 12px;
    color: var(--cyan);
    font-size: 11px;
    line-height: 1;
    text-align: center;
    opacity: 0;
    transition: opacity 0.18s ease;
}

.lang-option.active .lang-check {
    opacity: 1;
}

/* --- RTL 方向适配 --- */
[dir="rtl"] .openelse-arrow svg {
    transform: scaleX(-1);
}

[dir="rtl"] .openelse-bar:hover .openelse-arrow {
    transform: translateX(-6px);
}

/* --- 移动端紧凑展示 --- */
@media (max-width: 600px) {
    .nav-actions {
        gap: 6px;
    }

    .lang-trigger {
        height: 30px;
        padding: 0 8px;
        gap: 5px;
    }

    .lang-menu {
        width: min(276px, calc(100vw - 32px));
    }

    .login-btn {
        padding: 8px 10px;
        font-size: 11px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lang-trigger,
    .lang-globe,
    .lang-chevron,
    .lang-menu,
    .lang-option,
    .lang-check {
        transition: none;
    }
}