/**
 * schongeil.de Language Switcher v1.2
 * 
 * Changelog v1.2:
 * - Focus-Styles für Accessibility hinzugefügt
 * - CSS Custom Properties für einfache Anpassung
 * - Dark Mode Support
 * - Verbesserte Transitions
 */

/* ==========================================
   CSS CUSTOM PROPERTIES
   ========================================== */
:root {
    --schongeil-tooltip-bg: rgba(30, 30, 30, 0.95);
    --schongeil-tooltip-bg-hover: rgba(50, 50, 50, 0.95);
    --schongeil-tooltip-color: #fff;
    --schongeil-tooltip-z: 99999;
    --schongeil-tooltip-radius: 6px;
    --schongeil-tooltip-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    --schongeil-flag-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    --schongeil-flag-shadow-hover: 0 3px 8px rgba(0, 0, 0, 0.3);
    --schongeil-focus-color: #0066cc;
    --schongeil-transition-fast: 0.2s ease;
    --schongeil-transition-normal: 0.3s ease;
}

/* Dark Mode Anpassungen */
@media (prefers-color-scheme: dark) {
    :root {
        --schongeil-tooltip-bg: rgba(50, 50, 50, 0.98);
        --schongeil-tooltip-bg-hover: rgba(70, 70, 70, 0.98);
        --schongeil-focus-color: #4da6ff;
    }
}

/* ==========================================
   HEADER ICON
   ========================================== */
#schongeil-lang-header {
    display: inline-block;
    line-height: 64px;
    width: 24px;
    text-align: center;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: opacity var(--schongeil-transition-fast);
}

#schongeil-lang-header:hover {
    opacity: 0.7;
}

#schongeil-lang-header:focus {
    outline: 2px solid var(--schongeil-focus-color);
    outline-offset: 2px;
    border-radius: 4px;
}

#schongeil-lang-header:focus:not(:focus-visible) {
    outline: none;
}

#schongeil-lang-header:focus-visible {
    outline: 2px solid var(--schongeil-focus-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ==========================================
   AUTHOR AREA (nur auf Single Posts)
   ========================================== */
.schongeil-lang-switcher {
    display: inline-flex;
    align-items: center;
    margin-left: auto;
    margin-right: 25px;
}

.schongeil-lang-switcher__link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    padding: 4px;
    margin: -4px;
    background: transparent;
    opacity: 0.5;
    transition: opacity var(--schongeil-transition-normal);
    border-radius: 4px;
}

.schongeil-lang-switcher__link:hover,
.schongeil-lang-switcher.is-active .schongeil-lang-switcher__link {
    opacity: 1;
}

.schongeil-lang-switcher__link:focus {
    outline: 2px solid var(--schongeil-focus-color);
    outline-offset: 2px;
    opacity: 1;
}

.schongeil-lang-switcher__link:focus:not(:focus-visible) {
    outline: none;
}

.schongeil-lang-switcher__link:focus-visible {
    outline: 2px solid var(--schongeil-focus-color);
    outline-offset: 2px;
    opacity: 1;
}

.schongeil-lang-switcher__flag {
    width: 24px;
    height: 18px;
    border-radius: 3px;
    object-fit: cover;
    box-shadow: var(--schongeil-flag-shadow);
    transition: 
        transform var(--schongeil-transition-normal),
        box-shadow var(--schongeil-transition-normal);
}

.schongeil-lang-switcher__link:hover .schongeil-lang-switcher__flag,
.schongeil-lang-switcher__link:focus .schongeil-lang-switcher__flag {
    transform: scale(1.1);
    box-shadow: var(--schongeil-flag-shadow-hover);
}

/* ==========================================
   TOOLTIP (an body angehängt)
   ========================================== */
.schongeil-lang-tooltip {
    position: fixed;
    display: inline-flex;
    align-items: center;
    /* 
     * Asymmetrisches Padding: 40px rechts für visuellen Ausgleich,
     * da die Flagge links zusätzlichen optischen Raum einnimmt
     */
    padding: 10px 40px 10px 20px;
    background: var(--schongeil-tooltip-bg);
    color: var(--schongeil-tooltip-color);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    border-radius: var(--schongeil-tooltip-radius);
    box-shadow: var(--schongeil-tooltip-shadow);
    cursor: pointer;
    text-decoration: none;
    z-index: var(--schongeil-tooltip-z);
    opacity: 0;
    visibility: hidden;
    transition: 
        opacity 0.25s ease,
        visibility 0.25s ease,
        background-color var(--schongeil-transition-fast);
    pointer-events: none;
}

.schongeil-lang-tooltip.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.schongeil-lang-tooltip:hover {
    background: var(--schongeil-tooltip-bg-hover);
}

.schongeil-lang-tooltip:focus {
    outline: 2px solid var(--schongeil-focus-color);
    outline-offset: 2px;
    background: var(--schongeil-tooltip-bg-hover);
}

.schongeil-lang-tooltip:focus:not(:focus-visible) {
    outline: none;
}

.schongeil-lang-tooltip:focus-visible {
    outline: 2px solid var(--schongeil-focus-color);
    outline-offset: 2px;
}

/* Target-Flagge im Tooltip */
.schongeil-lang-tooltip__flag {
    width: 18px;
    height: 14px;
    border-radius: 2px;
    margin-right: 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

/* ==========================================
   REDUCED MOTION
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    #schongeil-lang-header,
    .schongeil-lang-switcher__link,
    .schongeil-lang-switcher__flag,
    .schongeil-lang-tooltip {
        transition: none;
    }
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media only screen and (max-width: 768px) {
    .schongeil-lang-switcher {
        margin-right: 16px;
    }
    
    .schongeil-lang-switcher__flag {
        width: 22px;
        height: 16px;
    }
    
    .schongeil-lang-tooltip {
        font-size: 12px;
        padding: 8px 32px 8px 16px;
    }
    
    .schongeil-lang-tooltip__flag {
        width: 16px;
        height: 12px;
        margin-right: 6px;
    }
}

@media only screen and (max-width: 576px) {
    .schongeil-lang-tooltip {
        font-size: 11px;
        padding: 6px 28px 6px 12px;
    }
    
    .schongeil-lang-tooltip__flag {
        width: 14px;
        height: 10px;
        margin-right: 5px;
    }
}

/* ==========================================
   HIGH CONTRAST MODE
   ========================================== */
@media (forced-colors: active) {
    .schongeil-lang-tooltip {
        border: 2px solid CanvasText;
    }
    
    #schongeil-lang-header:focus,
    .schongeil-lang-switcher__link:focus,
    .schongeil-lang-tooltip:focus {
        outline: 3px solid Highlight;
    }
}