/**
 * ============================================
 * QN Cookie Consent - CSS
 * ============================================
 * 
 * Eigenständige Extension für TYPO3 13
 * 100% StaticFileCache kompatibel
 * WCAG 2.1 AA barrierefrei
 * 
 * Anpassung über CSS Custom Properties:
 * In deinem Site Package kannst du die Farben überschreiben:
 * 
 * :root {
 *     --qn-cc-primary: #722F37;
 *     --qn-cc-primary-hover: #5a252c;
 *     --qn-cc-secondary: #2D4739;
 *     --qn-cc-accent: #C4A35A;
 *     --qn-cc-bg: #ffffff;
 *     --qn-cc-text: #333333;
 * }
 * 
 * ============================================
 */

/* ============================================
   CSS Custom Properties (Defaults)
   ============================================ */
:root {
    /* Primärfarbe (Buttons, Links) */
    --qn-cc-primary: #722F37;
    --qn-cc-primary-hover: #5a252c;
    --qn-cc-primary-rgb: 114, 47, 55;
    
    /* Sekundärfarbe */
    --qn-cc-secondary: #2D4739;
    --qn-cc-secondary-hover: #1e3027;
    
    /* Akzentfarbe */
    --qn-cc-accent: #C4A35A;
    
    /* Hintergrund & Text */
    --qn-cc-bg: #ffffff;
    --qn-cc-bg-secondary: #f5f5f5;
    --qn-cc-text: #222222;
    --qn-cc-text-muted: #555555;
    
    /* Borders & Shadows */
    --qn-cc-border: #cccccc;
    --qn-cc-border-radius: 0.75rem;
    --qn-cc-shadow: 0 -4px 30px rgba(0, 0, 0, 0.2);
    
    /* Backdrop */
    --qn-cc-backdrop: rgba(0, 0, 0, 0.6);
    
    /* Transitions */
    --qn-cc-transition: 0.3s ease;
    
    /* Z-Index */
    --qn-cc-z-index: 99999;
    --qn-cc-trigger-z-index: 99998;
    
    /* Spacing */
    --qn-cc-spacing-xs: 0.25rem;
    --qn-cc-spacing-sm: 0.5rem;
    --qn-cc-spacing-md: 1rem;
    --qn-cc-spacing-lg: 1.5rem;
    --qn-cc-spacing-xl: 2rem;
    
    /* Container Breite */
    --qn-cc-max-width: 700px;
}

/* ============================================
   Visually Hidden (für Screen Reader)
   ============================================ */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ============================================
   Main Container
   ============================================ */
.qn-cc {
    position: fixed;
    left: 0;
    right: 0;
    z-index: var(--qn-cc-z-index);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--qn-cc-text);
    display: flex;
    justify-content: center;
    padding: var(--qn-cc-spacing-lg);
}

.qn-cc[hidden] {
    display: none !important;
}

/* Position Variants */
.qn-cc--bottom {
    bottom: 0;
    align-items: flex-end;
}

.qn-cc--top {
    top: 0;
    align-items: flex-start;
}

.qn-cc--bottom .qn-cc__container {
    animation: qn-cc-slide-up 0.4s ease-out;
}

.qn-cc--top .qn-cc__container {
    animation: qn-cc-slide-down 0.4s ease-out;
}

@keyframes qn-cc-slide-up {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes qn-cc-slide-down {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ============================================
   Backdrop
   ============================================ */
.qn-cc__backdrop {
    position: fixed;
    inset: 0;
    background: var(--qn-cc-backdrop);
    z-index: -1;
    animation: qn-cc-fade-in 0.3s ease-out;
}

@keyframes qn-cc-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   Container - MITTIG & BEGRENZTE BREITE
   ============================================ */
.qn-cc__container {
    background: var(--qn-cc-bg);
    box-shadow: var(--qn-cc-shadow);
    max-height: 80vh;
    overflow-y: auto;
    width: 100%;
    max-width: var(--qn-cc-max-width);
    border-radius: var(--qn-cc-border-radius);
    border: 1px solid var(--qn-cc-border);
}

/* ============================================
   Header
   ============================================ */
.qn-cc__header {
    padding: var(--qn-cc-spacing-lg) var(--qn-cc-spacing-xl);
    padding-bottom: var(--qn-cc-spacing-sm);
    border-bottom: 1px solid var(--qn-cc-border);
    background: var(--qn-cc-bg-secondary);
    border-radius: var(--qn-cc-border-radius) var(--qn-cc-border-radius) 0 0;
}

.qn-cc__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--qn-cc-text);
}

/* ============================================
   Content
   ============================================ */
.qn-cc__content {
    padding: var(--qn-cc-spacing-md) var(--qn-cc-spacing-xl);
}

.qn-cc__description {
    margin: 0 0 var(--qn-cc-spacing-md);
    color: var(--qn-cc-text-muted);
    font-size: 0.9375rem;
}

/* ============================================
   Categories
   ============================================ */
.qn-cc__categories {
    border-top: 1px solid var(--qn-cc-border);
    padding-top: var(--qn-cc-spacing-md);
    margin-top: var(--qn-cc-spacing-md);
}

.qn-cc__categories[hidden] {
    display: none;
}

.qn-cc__category {
    border: 2px solid var(--qn-cc-border);
    border-radius: var(--qn-cc-border-radius);
    margin-bottom: var(--qn-cc-spacing-sm);
    overflow: hidden;
    background: var(--qn-cc-bg);
}

.qn-cc__category:last-child {
    margin-bottom: 0;
}

.qn-cc__category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--qn-cc-spacing-md);
    background: var(--qn-cc-bg-secondary);
    gap: var(--qn-cc-spacing-sm);
}

.qn-cc__category-label {
    display: flex;
    align-items: center;
    gap: var(--qn-cc-spacing-sm);
    cursor: pointer;
    flex: 1;
    margin: 0;
}

.qn-cc__category--necessary .qn-cc__category-label {
    cursor: default;
}

/* Custom Checkbox */
.qn-cc__checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.qn-cc__checkbox-visual {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--qn-cc-text);
    border-radius: 0.25rem;
    background: var(--qn-cc-bg);
    transition: all var(--qn-cc-transition);
    flex-shrink: 0;
}

.qn-cc__checkbox-visual::after {
    content: '';
    width: 0.5rem;
    height: 0.75rem;
    border: solid white;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg) scale(0);
    transition: transform 0.2s ease;
    margin-top: -2px;
}

.qn-cc__checkbox:checked + .qn-cc__checkbox-visual {
    background: var(--qn-cc-primary);
    border-color: var(--qn-cc-primary);
}

.qn-cc__checkbox:checked + .qn-cc__checkbox-visual::after {
    transform: rotate(45deg) scale(1);
}

.qn-cc__checkbox:focus-visible + .qn-cc__checkbox-visual {
    outline: 3px solid var(--qn-cc-primary);
    outline-offset: 2px;
}

.qn-cc__checkbox:disabled + .qn-cc__checkbox-visual {
    opacity: 0.7;
    cursor: not-allowed;
}

.qn-cc__category-name {
    font-weight: 600;
    color: var(--qn-cc-text);
}

.qn-cc__category-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.625rem;
    background: var(--qn-cc-secondary);
    color: white;
    border-radius: 1rem;
    white-space: nowrap;
    font-weight: 600;
}

/* Toggle Button */
.qn-cc__category-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 2px solid var(--qn-cc-text);
    background: var(--qn-cc-bg);
    cursor: pointer;
    border-radius: 50%;
    transition: background var(--qn-cc-transition);
    flex-shrink: 0;
}

.qn-cc__category-toggle:hover {
    background: var(--qn-cc-bg-secondary);
}

.qn-cc__category-toggle:focus-visible {
    outline: 3px solid var(--qn-cc-primary);
    outline-offset: 2px;
}

.qn-cc__toggle-icon {
    width: 0.875rem;
    height: 0.875rem;
    position: relative;
}

.qn-cc__toggle-icon::before,
.qn-cc__toggle-icon::after {
    content: '';
    position: absolute;
    background: var(--qn-cc-text);
    transition: transform var(--qn-cc-transition);
}

.qn-cc__toggle-icon::before {
    width: 100%;
    height: 2px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.qn-cc__toggle-icon::after {
    width: 2px;
    height: 100%;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}

.qn-cc__category-toggle[aria-expanded="true"] .qn-cc__toggle-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

/* Category Details */
.qn-cc__category-details {
    padding: var(--qn-cc-spacing-md);
    border-top: 1px solid var(--qn-cc-border);
    background: var(--qn-cc-bg);
}

.qn-cc__category-details[hidden] {
    display: none;
}

.qn-cc__category-details p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--qn-cc-text-muted);
}

/* ============================================
   Footer
   ============================================ */
.qn-cc__footer {
    padding: var(--qn-cc-spacing-md) var(--qn-cc-spacing-xl);
    padding-top: 0;
}

/* Buttons */
.qn-cc__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--qn-cc-spacing-sm);
    margin-bottom: var(--qn-cc-spacing-md);
}

.qn-cc__buttons[hidden] {
    display: none;
}

.qn-cc__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--qn-cc-border-radius);
    cursor: pointer;
    transition: all var(--qn-cc-transition);
    white-space: nowrap;
}

.qn-cc__btn:focus-visible {
    outline: 3px solid var(--qn-cc-primary);
    outline-offset: 2px;
}

/* Accept Button (Primary) */
.qn-cc__btn--accept {
    background: var(--qn-cc-primary);
    color: white;
    border-color: var(--qn-cc-primary);
}

.qn-cc__btn--accept:hover {
    background: var(--qn-cc-primary-hover);
    border-color: var(--qn-cc-primary-hover);
}

/* Reject Button (Outline) */
.qn-cc__btn--reject {
    background: var(--qn-cc-bg);
    color: var(--qn-cc-text);
    border-color: var(--qn-cc-text);
}

.qn-cc__btn--reject:hover {
    background: var(--qn-cc-bg-secondary);
}

/* Settings Button (Text) */
.qn-cc__btn--settings {
    background: transparent;
    color: var(--qn-cc-primary);
    border-color: transparent;
    padding-left: 0;
    padding-right: 0;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.qn-cc__btn--settings:hover {
    color: var(--qn-cc-primary-hover);
}

/* Save Button (Secondary) */
.qn-cc__btn--save {
    background: var(--qn-cc-secondary);
    color: white;
    border-color: var(--qn-cc-secondary);
    width: 100%;
}

.qn-cc__btn--save:hover {
    background: var(--qn-cc-secondary-hover);
    border-color: var(--qn-cc-secondary-hover);
}

/* Links */
.qn-cc__links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--qn-cc-spacing-md);
    padding-top: var(--qn-cc-spacing-sm);
    border-top: 1px solid var(--qn-cc-border);
}

.qn-cc__link {
    color: var(--qn-cc-text-muted);
    font-size: 0.875rem;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--qn-cc-transition);
}

.qn-cc__link:hover {
    color: var(--qn-cc-primary);
}

.qn-cc__link:focus-visible {
    outline: 3px solid var(--qn-cc-primary);
    outline-offset: 2px;
}

/* ============================================
   Floating Trigger Button
   ============================================ */
.qn-cc-trigger {
    position: fixed;
    bottom: var(--qn-cc-spacing-lg);
    left: var(--qn-cc-spacing-lg);
    z-index: var(--qn-cc-trigger-z-index);
    width: 3rem;
    height: 3rem;
    padding: 0;
    border: 2px solid white;
    border-radius: 50%;
    background: var(--qn-cc-primary);
    color: white;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: all var(--qn-cc-transition);
    animation: qn-cc-fade-in 0.3s ease-out;
}

.qn-cc-trigger[hidden] {
    display: none;
}

.qn-cc-trigger:hover {
    background: var(--qn-cc-primary-hover);
    transform: scale(1.1);
}

.qn-cc-trigger:focus-visible {
    outline: 3px solid var(--qn-cc-primary);
    outline-offset: 4px;
}

.qn-cc-trigger__icon {
    width: 1.5rem;
    height: 1.5rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .qn-cc {
        padding: var(--qn-cc-spacing-md);
    }
    
    .qn-cc__container {
        max-height: 85vh;
        border-radius: var(--qn-cc-border-radius);
    }
    
    .qn-cc__header,
    .qn-cc__content,
    .qn-cc__footer {
        padding-left: var(--qn-cc-spacing-md);
        padding-right: var(--qn-cc-spacing-md);
    }
    
    .qn-cc__buttons {
        flex-direction: column;
    }
    
    .qn-cc__btn {
        width: 100%;
    }
    
    .qn-cc__btn--settings {
        order: 3;
        width: auto;
        align-self: center;
    }
    
    .qn-cc__btn--reject {
        order: 2;
    }
    
    .qn-cc__btn--accept {
        order: 1;
    }
    
    .qn-cc-trigger {
        bottom: var(--qn-cc-spacing-md);
        left: var(--qn-cc-spacing-md);
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .qn-cc-trigger__icon {
        width: 1.25rem;
        height: 1.25rem;
    }
}

/* ============================================
   HIGH CONTRAST MODE - Verbesserte Lesbarkeit
   ============================================ */
@media (prefers-contrast: more) {
    :root {
        --qn-cc-bg: #ffffff;
        --qn-cc-bg-secondary: #f0f0f0;
        --qn-cc-text: #000000;
        --qn-cc-text-muted: #000000;
        --qn-cc-border: #000000;
        --qn-cc-primary: #0000cc;
        --qn-cc-primary-hover: #000099;
        --qn-cc-secondary: #006600;
    }
    
    .qn-cc__container {
        border: 3px solid #000000;
    }
    
    .qn-cc__checkbox-visual {
        border-width: 3px;
        border-color: #000000;
    }
    
    .qn-cc__btn {
        border-width: 3px;
    }
    
    .qn-cc__btn--reject {
        border-color: #000000;
        color: #000000;
    }
    
    .qn-cc__category {
        border-width: 3px;
        border-color: #000000;
    }
    
    .qn-cc__category-header {
        background: #f0f0f0;
    }
    
    .qn-cc__category-name {
        color: #000000;
    }
    
    .qn-cc__description,
    .qn-cc__category-details p {
        color: #000000;
    }
    
    .qn-cc__link {
        color: #0000cc;
    }
    
    .qn-cc__category-toggle {
        border-width: 3px;
        border-color: #000000;
    }
    
    .qn-cc__toggle-icon::before,
    .qn-cc__toggle-icon::after {
        background: #000000;
    }
}

/* ============================================
   FORCED COLORS (Windows High Contrast)
   ============================================ */
@media (forced-colors: active) {
    .qn-cc__container {
        border: 3px solid CanvasText;
        background: Canvas;
    }
    
    .qn-cc__title,
    .qn-cc__category-name,
    .qn-cc__description,
    .qn-cc__category-details p {
        color: CanvasText;
    }
    
    .qn-cc__btn {
        border: 2px solid CanvasText;
        background: Canvas;
        color: CanvasText;
    }
    
    .qn-cc__btn--accept {
        background: Highlight;
        color: HighlightText;
        border-color: Highlight;
    }
    
    .qn-cc__checkbox-visual {
        border: 2px solid CanvasText;
        background: Canvas;
    }
    
    .qn-cc__checkbox:checked + .qn-cc__checkbox-visual {
        background: Highlight;
        border-color: Highlight;
    }
    
    .qn-cc__category {
        border: 2px solid CanvasText;
    }
    
    .qn-cc__category-badge {
        border: 1px solid CanvasText;
    }
    
    .qn-cc__link {
        color: LinkText;
    }
    
    .qn-cc-trigger {
        border: 2px solid CanvasText;
        background: Highlight;
        color: HighlightText;
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .qn-cc,
    .qn-cc *,
    .qn-cc-trigger {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Print: Hide Cookie Banner
   ============================================ */
@media print {
    .qn-cc,
    .qn-cc-trigger {
        display: none !important;
    }
}