.language-selector {
    position: relative;
    flex: 0 0 auto;
    font-family: var(--font-family-sans);
}

.language-selector-trigger {
    min-width: 68px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0 var(--space-3);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.language-selector-trigger:hover,
.language-selector.is-open .language-selector-trigger {
    border-color: var(--border);
    background: var(--bg-hover);
    color: var(--text-primary);
}

.language-selector-trigger:focus-visible,
.language-selector-option:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.language-selector-globe {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-foreground);
    font-size: var(--font-size-md);
}

.language-selector-code {
    font-size: var(--font-size-13);
    font-weight: var(--font-weight-bold);
    letter-spacing: .04em;
}

.language-selector-chevron {
    font-size: var(--font-size-2xs);
    color: var(--text-tertiary);
    transition: transform var(--transition-fast);
}

.language-selector.is-open .language-selector-chevron {
    transform: rotate(180deg);
}

.language-selector-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    width: min(320px, calc(100vw - 24px));
    padding: var(--space-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-white);
    box-shadow: var(--shadow-popover);
    color: var(--text-primary);
    z-index: 1000;
}

.language-selector-menu[hidden] {
    display: none;
}

.language-selector-heading {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-3) var(--space-3) var(--space-2);
}

.language-selector-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

.language-selector-hint {
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
}

.language-selector-options {
    display: grid;
    gap: 2px;
}

.language-selector-option {
    width: 100%;
    min-height: 52px;
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr) 20px;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border: 0;
    border-radius: var(--radius);
    background: transparent;
    color: inherit;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.language-selector-option:hover,
.language-selector-option:focus-visible {
    background: var(--bg-hover);
}

.language-selector-option.is-selected {
    background: var(--primary-subtle);
    color: var(--text-primary);
}

.language-selector-flag {
    width: 36px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: .05em;
    box-shadow: var(--shadow-sm);
}

.language-selector-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.language-selector-name {
    overflow: hidden;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.language-selector-region {
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
}

.language-selector-check {
    color: var(--primary-foreground);
    font-size: var(--font-size-sm);
    opacity: 0;
    transform: scale(.75);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.language-selector-option.is-selected .language-selector-check {
    opacity: 1;
    transform: scale(1);
}

.auth-utility-bar {
    position: fixed;
    top: var(--space-8);
    right: var(--space-8);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.auth-utility-bar .theme-toggle {
    position: static;
}

.auth-utility-bar .language-selector-trigger {
    height: 50px;
    border-color: var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-inverse);
    box-shadow: var(--glass-shadow);
    backdrop-filter: var(--backdrop-blur);
}

.auth-utility-bar .language-selector-globe,
.auth-utility-bar .language-selector-chevron {
    color: currentColor;
}

@media (max-width: 700px) {
    .language-selector-trigger {
        min-width: 44px;
        width: 44px;
        padding: 0;
    }

    .language-selector-trigger .language-selector-globe,
    .language-selector-trigger .language-selector-chevron {
        display: none;
    }

    .language-selector-menu {
        position: fixed;
        top: calc(var(--header-height) + var(--space-2));
        right: var(--space-3);
    }

    .auth-utility-bar {
        top: var(--space-4);
        right: var(--space-4);
    }

    .auth-utility-bar .language-selector-trigger {
        width: 50px;
        min-width: 50px;
    }

    .auth-utility-bar .language-selector-menu {
        top: 74px;
    }
}