/*
 * Language Toggle Component - Text Version
 * Diagonal flip animation: Lang1 ↖ / ↘ Lang2
 * Two-language text toggle with diagonal slash separator
 */

/* ========================================
   BASE COMPONENT
   ======================================== */

.language-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 44px;
    padding: 0;
    background: var(--theme-surface);
    border: 1px solid var(--theme-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition:
        background 0.2s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.language-toggle:hover {
    background-color: var(--theme-bg);
    border-color: var(--theme-text-secondary);
}

.language-toggle:active {
    transform: scale(0.95);
}

/* ========================================
   TEXT CONTAINER
   ======================================== */

/* Container for diagonal layout */
.language-toggle-text {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--theme-text-secondary);
}

.language-toggle:hover .language-toggle-text {
    color: var(--theme-text-primary);
}

/* ========================================
   LANGUAGE TEXT POSITIONS
   ======================================== */

/* First language - top-left */
.lang-first {
    position: absolute;
    top: 6px;
    left: 6px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Second language - bottom-right */
.lang-second {
    position: absolute;
    bottom: 6px;
    right: 6px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Diagonal slash separator (top-right to bottom-left: \ direction) */
.lang-slash {
    position: absolute;
    width: 1px;
    height: 32px;
    background: currentColor;
    opacity: 0.3;
    transform: rotate(45deg);
    transform-origin: center;
}

/* ========================================
   TOGGLE STATES
   ======================================== */

/* Default state (not toggled) */
.language-toggle[data-toggled="false"] .lang-first {
    top: 6px;
    left: 6px;
    opacity: 1;
}

.language-toggle[data-toggled="false"] .lang-second {
    bottom: 6px;
    right: 6px;
    opacity: 1;
}

/* Toggled state - positions swap */
.language-toggle[data-toggled="true"] .lang-first {
    top: auto;
    bottom: 6px;
    left: auto;
    right: 6px;
    opacity: 1;
}

.language-toggle[data-toggled="true"] .lang-second {
    bottom: auto;
    top: 6px;
    right: auto;
    left: 6px;
    opacity: 1;
}

/* Animation state - fade during transition */
.language-toggle.is-animating .lang-first,
.language-toggle.is-animating .lang-second {
    opacity: 0.4;
}

/* ========================================
   SIZE VARIANTS
   ======================================== */

.language-toggle-sm {
    width: 40px;
    height: 36px;
}

.language-toggle-sm .language-toggle-text {
    font-size: 0.5rem;
}

.language-toggle-sm .lang-slash {
    height: 24px;
}

.language-toggle-lg {
    width: 60px;
    height: 52px;
}

.language-toggle-lg .language-toggle-text {
    font-size: 0.75rem;
}

.language-toggle-lg .lang-slash {
    height: 40px;
}

/* ========================================
   THEME VARIANTS
   ======================================== */

[data-theme="dark"] .language-toggle {
    background-color: var(--theme-surface);
    border-color: var(--theme-border);
}

[data-theme="dark"] .language-toggle:hover {
    background-color: var(--theme-bg);
}

[data-theme-variant="cold"] .language-toggle {
    background-color: var(--theme-surface);
}

[data-theme-variant="cold"] .language-toggle:hover {
    background-color: rgba(0, 0, 0, 0.02);
}