/**
 * PMN Translate Styles - Thai/English Language Switcher
 * WCAG 2.1 AA Compliant
 * Uses plugin CSS variable system for theme integration
 *
 * @package PMN_HeaderMenu
 * @version 1.0.0
 */

/* ========================================
   Container Styles
   ======================================== */

.pmn-translate {
    position: relative;
    display: inline-flex;
    align-items: center;
    font-family: inherit;
    z-index: 100;
    /* Match header height */
    height: var(--pmn-header-height, 80px);
}

/* Position Variants */
.pmn-translate--fixed {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999999;
}

.pmn-translate--sticky {
    position: sticky;
    top: 0;
    z-index: 999999;
}

.pmn-translate--inline {
    margin: 0 8px;
}

/* ========================================
   Mobile Menu Translate Styles
   ======================================== */

.pmn-translate--mobile {
    height: auto;
    width: 100%;
    justify-content: center;
    padding: 16px 0;
}

.pmn-translate--mobile .pmn-translate__buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    width: 100%;
}

.pmn-translate--mobile .pmn-translate__btn {
    flex: 1;
    max-width: 140px;
    height: 48px;
    padding: 12px 20px;
    font-size: 15px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

.pmn-translate--mobile .pmn-translate__btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--pmn-header-hover, #C5A059);
}

.pmn-translate--mobile .pmn-translate__btn.active {
    background: var(--pmn-header-hover, #C5A059);
    border-color: var(--pmn-header-hover, #C5A059);
    color: #ffffff;
}

.pmn-translate--mobile .pmn-translate__flag svg {
    width: 24px;
    height: 16px;
}

.pmn-translate--mobile .pmn-translate__text {
    font-size: 15px;
}

.pmn-translate--mobile .pmn-translate__text[lang="th"] {
    font-size: 16px;
}

/* Mobile translate container in overlay */
.pmn-mobile-translate {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   Sticky Header Height Adjustment
   ======================================== */

/* When header is scrolled/sticky, adjust height */
.pmn-header--scrolled .pmn-translate,
.pmn-header--sticky .pmn-translate {
    height: var(--pmn-shrink-height, 60px);
    transition: height var(--pmn-transition-speed, 300ms) ease;
}

/* Smooth transition for height changes */
.pmn-translate {
    transition: height var(--pmn-transition-speed, 300ms) ease;
}

/* ========================================
   Button Container
   ======================================== */

.pmn-translate__buttons {
    display: flex;
    gap: 6px;
    align-items: center;
}

/* ========================================
   Language Buttons - WCAG 2.1 AA Compliant
   ======================================== */

.pmn-translate__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: 2px solid var(--pmn-border-color, rgba(255, 255, 255, 0.3));
    border-radius: 6px;
    background: transparent;
    color: var(--pmn-header-text, #ffffff);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: all var(--pmn-transition-speed, 300ms) ease;
    outline: none;
    min-width: 70px;
    justify-content: center;
    /* Dynamic height based on header settings */
    height: calc(var(--pmn-header-height, 80px) * 0.5);
    max-height: 48px;
    /* WCAG: Minimum touch target size */
    min-height: 44px;
    white-space: nowrap;
}

/* Adjust button height when header is scrolled/sticky */
.pmn-header--scrolled .pmn-translate__btn,
.pmn-header--sticky .pmn-translate__btn {
    height: calc(var(--pmn-shrink-height, 60px) * 0.6);
    max-height: 42px;
    min-height: 36px;
    padding: 6px 10px;
    font-size: 13px;
}

/* Dark Theme */
.pmn-header--dark .pmn-translate__btn {
    border-color: var(--pmn-dark-border-color, rgba(255, 255, 255, 0.25));
    color: var(--pmn-dark-text-color, #ffffff);
}

/* Light Theme */
.pmn-header--light .pmn-translate__btn {
    border-color: var(--pmn-light-border-color, rgba(0, 0, 0, 0.15));
    color: var(--pmn-light-text-color, #1A2A40);
}

/* ========================================
   Button States
   ======================================== */

/* Focus State - WCAG Compliant */
.pmn-translate__btn:focus {
    outline: 3px solid var(--pmn-header-hover, #C5A059);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.3);
}

.pmn-translate__btn:focus:not(:focus-visible) {
    outline: none;
    box-shadow: none;
}

.pmn-translate__btn:focus-visible {
    outline: 3px solid var(--pmn-header-hover, #C5A059);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.3);
}

/* Hover State */
.pmn-translate__btn:hover:not(:disabled) {
    border-color: var(--pmn-header-hover, #C5A059);
    background: rgba(197, 160, 89, 0.1);
    transform: translateY(-1px);
}

/* Active State - Using Plugin Accent Color */
.pmn-translate__btn.active {
    border-color: var(--pmn-header-hover, #C5A059);
    background: var(--pmn-header-hover, #C5A059);
    color: #ffffff;
}

/* Active State in Light Theme */
.pmn-header--light .pmn-translate__btn.active {
    background: var(--pmn-header-hover, #C5A059);
    border-color: var(--pmn-header-hover, #C5A059);
    color: #ffffff;
}

/* Disabled State */
.pmn-translate__btn:disabled,
.pmn-translate__btn[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.5;
    pointer-events: none;
}

/* ========================================
   Flag Icons
   ======================================== */

.pmn-translate__flag {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pmn-translate__flag svg {
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
    display: block;
}

/* ========================================
   Language Text
   ======================================== */

.pmn-translate__text {
    font-weight: 600;
    white-space: nowrap;
    font-size: 14px;
    letter-spacing: 0.3px;
}

/* Thai text styling */
.pmn-translate__text[lang="th"] {
    font-size: 15px;
    line-height: 1.3;
    font-family: 'Sarabun', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ========================================
   Loading State
   ======================================== */

.pmn-translate__loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.98);
    border-radius: 8px;
    padding: 12px 20px;
    display: none;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 180px;
    justify-content: center;
    z-index: 10;
    border: 2px solid var(--pmn-header-hover, #C5A059);
}

.pmn-translate__loading.active {
    display: flex;
}

/* Spinner */
.pmn-translate__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #e5e7eb;
    border-top: 2px solid var(--pmn-header-hover, #C5A059);
    border-radius: 50%;
    animation: pmn-translate-spin 1s linear infinite;
}

.pmn-translate__loading-text {
    font-size: 13px;
    color: #374151;
    font-weight: 500;
    white-space: nowrap;
}

@keyframes pmn-translate-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   Compact Mode - Show Only Flags
   ======================================== */

.pmn-translate--compact .pmn-translate__text {
    display: none;
}

.pmn-translate--compact .pmn-translate__btn {
    min-width: 44px;
    padding: 8px;
    gap: 0;
}

/* Compact mode when header is scrolled */
.pmn-header--scrolled .pmn-translate--compact .pmn-translate__btn,
.pmn-header--sticky .pmn-translate--compact .pmn-translate__btn {
    min-width: 38px;
    padding: 6px;
}

/* Flag size adjustment for scrolled header */
.pmn-header--scrolled .pmn-translate__flag svg,
.pmn-header--sticky .pmn-translate__flag svg {
    width: 20px;
    height: 14px;
}

/* Text size adjustment for scrolled header */
.pmn-header--scrolled .pmn-translate__text,
.pmn-header--sticky .pmn-translate__text {
    font-size: 12px;
}

.pmn-header--scrolled .pmn-translate__text[lang="th"],
.pmn-header--sticky .pmn-translate__text[lang="th"] {
    font-size: 13px;
}

/* ========================================
   Icon-Only Mode - No Text Labels
   ======================================== */

.pmn-translate--icon-only .pmn-translate__text {
    display: none;
}

.pmn-translate--icon-only .pmn-translate__btn {
    min-width: 40px;
    padding: 6px 8px;
    gap: 0;
}

/* ========================================
   Style Variants
   ======================================== */

/* Modern Style */
.pmn-translate--modern .pmn-translate__btn {
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* Minimal Style */
.pmn-translate--minimal .pmn-translate__btn {
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: none;
}

/* Flat Style */
.pmn-translate--flat .pmn-translate__btn {
    border: none;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.1);
}

.pmn-translate--flat .pmn-translate__btn.active {
    background: var(--pmn-header-hover, #C5A059);
}

/* ========================================
   WCAG: High Contrast Mode
   ======================================== */

@media (prefers-contrast: high) {
    .pmn-translate__btn {
        border-width: 3px;
        border-color: currentColor;
    }

    .pmn-translate__btn.active {
        background: #1e40af;
        border-color: #1e40af;
    }

    .pmn-translate__btn:focus {
        outline-width: 4px;
        outline-color: currentColor;
    }

    .pmn-translate__loading-text {
        color: #111827;
        font-weight: 700;
    }
}

/* ========================================
   WCAG: Dark Mode Support
   ======================================== */

@media (prefers-color-scheme: dark) {
    .pmn-translate--standalone {
        color-scheme: dark;
    }

    .pmn-translate--standalone .pmn-translate__btn {
        background: #374151;
        border-color: #4b5563;
        color: #f9fafb;
    }

    .pmn-translate--standalone .pmn-translate__btn:hover:not(:disabled) {
        background: #4b5563;
        border-color: #60a5fa;
    }

    .pmn-translate--standalone .pmn-translate__btn.active {
        background: #2563eb;
        border-color: #2563eb;
    }

    .pmn-translate__loading {
        background: rgba(31, 41, 55, 0.98);
        border-color: #60a5fa;
    }

    .pmn-translate__loading-text {
        color: #f3f4f6;
    }

    .pmn-translate__spinner {
        border-color: #4b5563;
        border-top-color: #60a5fa;
    }
}

/* ========================================
   WCAG: Reduced Motion
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    .pmn-translate__btn,
    .pmn-translate__loading {
        transition: none !important;
    }

    .pmn-translate__spinner {
        animation: none !important;
    }

    .pmn-translate__btn:hover:not(:disabled) {
        transform: none !important;
    }
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 768px) {
    .pmn-translate--fixed {
        top: 10px;
        right: 10px;
    }

    .pmn-translate__btn {
        padding: 10px 12px;
        font-size: 13px;
        min-width: 65px;
        min-height: 44px;
    }

    .pmn-translate__text {
        font-size: 13px;
    }

    .pmn-translate__text[lang="th"] {
        font-size: 14px;
    }

    .pmn-translate__loading {
        padding: 10px 14px;
        min-width: 160px;
    }
}

/* Mobile - Auto Compact */
@media (max-width: 480px) {
    .pmn-translate--fixed {
        top: 5px;
        right: 5px;
    }

    /* Auto-hide text on small screens unless explicitly shown */
    .pmn-translate:not(.pmn-translate--show-text) .pmn-translate__text {
        display: none;
    }

    .pmn-translate:not(.pmn-translate--show-text) .pmn-translate__btn {
        min-width: 44px;
        padding: 10px;
        gap: 0;
    }

    .pmn-translate__buttons {
        gap: 4px;
    }

    .pmn-translate__loading {
        font-size: 12px;
        padding: 8px 12px;
        min-width: 140px;
    }
}

/* Very Small Screens */
@media (max-width: 360px) {
    .pmn-translate__btn {
        min-width: 40px;
        padding: 8px;
    }

    .pmn-translate__flag svg {
        width: 20px;
        height: 14px;
    }
}

/* ========================================
   Hide Google Translate Elements
   ======================================== */

.skiptranslate,
.goog-te-banner-frame,
.goog-te-gadget,
.goog-te-gadget-simple,
.goog-te-gadget-icon,
#goog-gt-tt,
.goog-te-balloon-frame,
#google_translate_element_pmn,
.goog-te-menu-value,
.goog-te-menu-frame,
.goog-te-menu2,
.goog-te-menu2-item,
div#goog-gt-,
.goog-te-banner,
.goog-te-ftab,
.goog-te-combo {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    width: 0 !important;
    opacity: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    left: -9999px !important;
    pointer-events: none !important;
}

/* Remove Google Translate top margin */
body {
    top: 0 !important;
}

body.translated-ltr,
body.translated-rtl {
    top: 0 !important;
    position: static !important;
    margin-top: 0 !important;
}

html.translated-ltr,
html.translated-rtl {
    margin-top: 0 !important;
}

/* ========================================
   Screen Reader Only
   ======================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ========================================
   Prevent Text Transform in Translated Content
   ======================================== */

.translated-ltr,
.translated-ltr *,
.translated-rtl,
.translated-rtl *,
font[style],
font[style] * {
    text-transform: none !important;
}

/* Normalize Google Translate font elements */
font[style] {
    font-family: inherit !important;
    font-size: inherit !important;
    color: inherit !important;
    background: inherit !important;
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .pmn-translate {
        display: none !important;
    }
}