/**
 * AKT Use Cases Slider Styles
 * Path: assets/css/use-cases-slider.css
 * 
 * Responsive slider component following BEM methodology
 * Features:
 * - Fade and slide transitions
 * - Responsive design
 * - Touch/swipe support
 * - Accessibility features
 * - Progressive enhancement
 */

/* ==========================================================================
   Base Component
   ========================================================================== */

.akt-use-cases-slider {
    position: relative;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

/* ==========================================================================
   Slider Container
   ========================================================================== */

.akt-use-cases-slider__container {
    position: relative;
    width: 100%;
    /* Height wird dynamisch per Inline-CSS gesetzt - siehe generate_custom_css() */
    overflow: hidden;
    background: #f3f4f6;
    border-radius: 0;
}

.akt-use-cases-slider__slides {
    position: relative;
    width: 100%;
    height: 100%;
}

/* ==========================================================================
   Layout Variations
   ========================================================================== */

/* Split Layout (Default): 60% Content + 40% Image */
.akt-use-cases-slider--split .akt-use-cases-slider__slide {
    display: flex;
    align-items: stretch;
}

.akt-use-cases-slider--split .akt-use-cases-slider__background {
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
}

.akt-use-cases-slider--split .akt-use-cases-slider__overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
}

.akt-use-cases-slider--split .akt-use-cases-slider__content {
    width: 60%;
    background: linear-gradient(44deg, #0071B4 25.89%, #590098 85.15%);
    color: white;
}

.akt-use-cases-slider--split .akt-use-cases-slider__slide-title {
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.akt-use-cases-slider--split .akt-use-cases-slider__slide-description {
    color: rgba(255, 255, 255, 0.9);
}

/* Full Background Layout: Image behind content */
.akt-use-cases-slider--fullbg .akt-use-cases-slider__slide {
    display: flex;
    align-items: center;
}

.akt-use-cases-slider--fullbg .akt-use-cases-slider__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.akt-use-cases-slider--fullbg .akt-use-cases-slider__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.akt-use-cases-slider--fullbg .akt-use-cases-slider__content {
    width: 100%;
    background: transparent;
    backdrop-filter: none;
    color: white;
    max-width: 600px;
    margin: 0 auto;
}

.akt-use-cases-slider--fullbg .akt-use-cases-slider__slide-title {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.akt-use-cases-slider--fullbg .akt-use-cases-slider__slide-description {
    color: white;
    opacity: 0.95;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Button adjustments for split layout with gradient background - Override */
.akt-use-cases-slider--split .akt-use-cases-slider__button--primary,
.akt-use-cases-slider--split .akt-use-cases-slider__button--secondary,
.akt-use-cases-slider--split .akt-use-cases-slider__button--outline,
.akt-use-cases-slider--split .akt-use-cases-slider__button--text {
    background-color: transparent;
    border: 2px solid #F2F4F6;
    border-radius: 0;
    padding: 12px 24px;
    color: #F2F4F6;
}

.akt-use-cases-slider--split .akt-use-cases-slider__button--primary:hover,
.akt-use-cases-slider--split .akt-use-cases-slider__button--secondary:hover,
.akt-use-cases-slider--split .akt-use-cases-slider__button--outline:hover,
.akt-use-cases-slider--split .akt-use-cases-slider__button--text:hover {
    background-color: #F2F4F6;
    color: #009FE3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(242, 244, 246, 0.3);
}
.akt-use-cases-slider--fullbg .akt-use-cases-slider__button--outline {
    background: transparent;
    color: white;
    border-color: white;
}

.akt-use-cases-slider--fullbg .akt-use-cases-slider__button--outline:hover {
    background: white;
    color: #374151;
}

.akt-use-cases-slider--fullbg .akt-use-cases-slider__button--text {
    color: white;
}

.akt-use-cases-slider--fullbg .akt-use-cases-slider__button--text:hover {
    border-bottom-color: white;
}

/* ==========================================================================
   Individual Slides - Base Structure
   ========================================================================== */

.akt-use-cases-slider__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: stretch;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.akt-use-cases-slider__slide--active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

/* Background Image - Now positioned on the right 25% */
.akt-use-cases-slider__background {
    position: absolute;
    top: 0;
    right: 0;
    width: 25%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

/* Background Overlays - Only on image area */
.akt-use-cases-slider__overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 25%;
    height: 100%;
    z-index: 2;
}

.akt-use-cases-slider__overlay--light {
    background: rgba(0, 0, 0, 0.2);
}

.akt-use-cases-slider__overlay--medium {
    background: rgba(0, 0, 0, 0.4);
}

.akt-use-cases-slider__overlay--dark {
    background: rgba(0, 0, 0, 0.6);
}

.akt-use-cases-slider__overlay--very-dark {
    background: rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   Content Positioning - 75% width on left side
   ========================================================================== */

.akt-use-cases-slider__content {
    position: relative;
    z-index: 3;
    width: 75%;
    height: 100%;
    display: flex;
    padding-left:100px;
    padding-right:100px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.akt-use-cases-slider__content-inner {
    max-width: 100%;
    color: #1f2937;
}

/* Content Horizontal Positioning */
.akt-use-cases-slider__slide--left .akt-use-cases-slider__content {
    justify-content: flex-start;
}

.akt-use-cases-slider__slide--center .akt-use-cases-slider__content {
    justify-content: center;
    text-align: center;
}

.akt-use-cases-slider__slide--right .akt-use-cases-slider__content {
    justify-content: flex-end;
    text-align: right;
}

/* Content Vertical Positioning */
.akt-use-cases-slider__slide--align-top .akt-use-cases-slider__content {
    align-items: flex-start;
}

.akt-use-cases-slider__slide--align-center .akt-use-cases-slider__content {
    align-items: center;
}

.akt-use-cases-slider__slide--align-bottom .akt-use-cases-slider__content {
    align-items: flex-end;
}

/* ==========================================================================
   Content Typography - Updated for dark text on light background
   ========================================================================== */

.akt-use-cases-slider__slide-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 1.5rem 0;
    color: #1f2937;
}

.akt-use-cases-slider__slide-description {
    font-size: 1.125rem;
    line-height: 1.6;
    margin: 0 0 2rem 0;
    color: #4b5563;
}

.akt-use-cases-slider__slide-actions {
    margin-top: 2rem;
}

/* ==========================================================================
   Button Styles
   ========================================================================== */

.akt-use-cases-slider__button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.akt-use-cases-slider__button:focus {
    outline: none;
}

/* Primary Button - Updated for light background */
.akt-use-cases-slider__button--primary {
    background: #3B82F6;
    color: white;
    border-color: #3B82F6;
    text-decoration: none !important; /* ensure no underline despite global link styles */
}

.akt-use-cases-slider__button--primary:hover {
    /* Keep only background and text color changes on hover */
    background: #2563EB;
    color: var(--aktd-color-dark-blue, #0071B4);
    border: none;
    transform: none;
    box-shadow: none;
    text-decoration: none !important;
}

/* Secondary Button */
.akt-use-cases-slider__button--secondary {
    background: #6B7280;
    color: white;
    border-color: #6B7280;
}

.akt-use-cases-slider__button--secondary:hover {
    background: #4B5563;
    border-color: #4B5563;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.4);
}

/* Outline Button - Updated for dark outline on light background */
.akt-use-cases-slider__button--outline {
    background: transparent;
    color: #374151;
    border-color: #374151;
}

.akt-use-cases-slider__button--outline:hover {
    background: #374151;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(55, 65, 81, 0.2);
}

/* Text Link - Updated for dark text */
.akt-use-cases-slider__button--text {
    background: transparent;
    color: #374151;
    padding: 0.5rem 0;
    border: none;
    border-bottom: 2px solid transparent;
}

.akt-use-cases-slider__button--text:hover {
    border-bottom-color: #374151;
    transform: none;
}

.akt-use-cases-slider__button-icon {
    transition: transform 0.3s ease;
}

.akt-use-cases-slider__button:hover .akt-use-cases-slider__button-icon {
    transform: translateX(2px);
}

/* Primary button: disable any extra hover effects beyond color changes */
.akt-use-cases-slider__button--primary:hover .akt-use-cases-slider__button-icon {
    transform: none;
}

/* Split layout: remove hover transform/shadow for primary only */
.akt-use-cases-slider--split .akt-use-cases-slider__button--primary:hover {
    /* Desired behavior: only background + font color changes */
    color: var(--aktd-color-dark-blue, #0071B4);
    border: none;
    transform: none;
    box-shadow: none;
}

/* ==========================================================================
   Navigation Arrows
   ========================================================================== */

.akt-use-cases-slider__arrows {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 30; /* ensure above slide/content */
    pointer-events: none;
}

/*
   Reset against Astra global button styles.
   Use high specificity and !important to avoid theme overrides
   like `button, .ast-button, .button` and their :hover/:focus rules.
*/
.akt-use-cases-slider .akt-use-cases-slider__arrow,
.akt-use-cases-slider .akt-use-cases-slider__arrow:hover,
.akt-use-cases-slider .akt-use-cases-slider__arrow:focus {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: var(--aktd-color-white) !important;
}

.akt-use-cases-slider__arrow {
    width: 48px;
    height: 48px;
    background: transparent; /* no box behind chevron */
    border: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s ease;
    pointer-events: auto;
    color: var(--aktd-color-white); /* high-contrast chevron */
    opacity: 1; /* fully visible */
    backdrop-filter: none;
    mix-blend-mode: normal; /* avoid blending with background */
    padding:0;
}

/* Ensure SVG uses the intended color and is visible */
.akt-use-cases-slider__arrow svg { display: block; width: 24px; height: 24px; }
.akt-use-cases-slider__arrow svg path { stroke: currentColor; fill: none; stroke-width: 2.5; }

.akt-use-cases-slider__arrow:hover {
    background: transparent !important;
    transform: none;
    box-shadow: none !important;
    opacity: 1;
}

.akt-use-cases-slider__arrow:focus {
    outline: none;
}

.akt-use-cases-slider__arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.akt-use-cases-slider__arrow:disabled:hover {
    background: transparent;
    transform: none;
    box-shadow: none;
}

/* ==========================================================================
   Navigation Progress Segments (separate bars with gaps)
   ========================================================================== */

.akt-use-cases-slider__navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 30px 0;
}

.akt-use-cases-slider__progress-segment {
    height: 4px;
    flex: 1;
    background: #0071B4;
    opacity: 0.5;
    cursor: pointer;
    transition: opacity 0.3s ease;
    border: none;
    border-radius: 0;
    padding: 0;
    min-width: 60px;
}

.akt-use-cases-slider__progress-segment:hover {
    opacity: 0.8;
}

.akt-use-cases-slider__progress-segment--active {
    opacity: 1;
    height:6px;
    margin-bottom:2px;
    background: #0071B4;
}

.akt-use-cases-slider__progress-segment:focus {
    outline: none;
}

/*
   Fix: Keep progress bar visible on hover
   The theme defines a global `button:hover { background-color: transparent; }`
   which applies to our navigation buttons and clears their background color.
   Increase specificity and explicitly set background-color so the bars don't
   disappear on hover/focus.
*/
.akt-use-cases-slider .akt-use-cases-slider__progress-segment {
    background-color: #0071B4; /* match shorthand background value */
}
.akt-use-cases-slider .akt-use-cases-slider__progress-segment:hover,
.akt-use-cases-slider .akt-use-cases-slider__progress-segment:focus {
    background-color: #0071B4;
}
.akt-use-cases-slider .akt-use-cases-slider__progress-segment--active {
    background-color: #0071B4;
}

/* Single slide: full width bar without gaps */
.akt-use-cases-slider__progress-segment--single {
    flex: none;
    width: 100%;
    max-width: 600px;
    cursor: default;
}

.akt-use-cases-slider__progress-segment--single:hover {
    opacity: 1;
}

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

.akt-use-cases-slider__loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 20;
    display: none;
}

.akt-use-cases-slider__loading-spinner {
    color: #0071B4;
}

/* ==========================================================================
   Transition Effects
   ========================================================================== */

/* Slide Transition */
.akt-use-cases-slider[data-transition-type="slide"] .akt-use-cases-slider__slide {
    transform: translateX(100%);
    transition: transform 0.8s ease-in-out, opacity 0.8s ease-in-out;
}

.akt-use-cases-slider[data-transition-type="slide"] .akt-use-cases-slider__slide--active {
    transform: translateX(0);
}

.akt-use-cases-slider[data-transition-type="slide"] .akt-use-cases-slider__slide--prev {
    transform: translateX(-100%);
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.akt-use-cases-slider__no-items {
    padding: 4rem 2rem;
    text-align: center;
    background: #f9fafb;
    border: 2px dashed #d1d5db;
    border-radius: 0;
    color: #6b7280;
}

.akt-use-cases-slider__no-items p {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
}

.akt-use-cases-slider__no-items em {
    font-size: 0.875rem;
    opacity: 0.8;
}

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

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

/* ==========================================================================
   Responsive Design - Layout-specific with dynamic height
   ========================================================================== */

@media (max-width: 768px) {
    .akt-use-cases-slider__container {
        /* Theme/inline height überschreiben: Container passt sich Inhalt an */
        height: auto !important; /* überschreibt ID-spezifisches Inline-CSS */
        min-height: 0;
    }
    
    /* Hide arrow navigation on mobile */
    .akt-use-cases-slider__arrows { display: none !important; }
    
    /* Split Layout Mobile: Stack content vertically with dynamic height */
    .akt-use-cases-slider--split .akt-use-cases-slider__slides { height: auto; }
    /* Bring slides into normal flow on mobile */
    .akt-use-cases-slider__slide {
        position: relative; /* nicht absolute, damit Höhe gezählt wird */
        top: auto; left: auto;
        flex-direction: column;
        height: auto !important; /* auf natürliche Höhe */
        min-height: 400px; /* Minimum height */
    }
    /* Hide non-active slides to prevent stacking */
    .akt-use-cases-slider__slide:not(.akt-use-cases-slider__slide--active) {
        display: none;
    }
    
    .akt-use-cases-slider--split .akt-use-cases-slider__content {
        width: 100%;
        height: auto; /* Content bestimmt die Höhe */
        min-height: 0; /* keine Mindesthöhe erzwingen */
        padding: 2rem 1.5rem;
        order: 1;
        background: linear-gradient(44deg, #0071B4 25.89%, #590098 85.15%);
        flex-shrink: 0; /* Verhindert Schrumpfen */
    }
    
    .akt-use-cases-slider--split .akt-use-cases-slider__background {
        position: relative; /* Container für Overlay */
        top: auto;
        right: auto;
        width: 100%;
        height: auto; /* Höhe aus aspect-ratio */
        aspect-ratio: var(--akt-bg-ratio, 1 / 1); /* Ratio kommt als CSS-Var vom Template */
        order: 2;
        flex-shrink: 0;
        /* Bildfüllung und Ausrichtung */
        background-size: cover;
        background-position: center center;
    }
    
    .akt-use-cases-slider--split .akt-use-cases-slider__overlay {
        /* Overlay auf Mobile deaktivieren, damit Bild 1:1 klar sichtbar ist */
        display: none !important;
    }
    
    /* Full Background Layout Mobile: Keep same structure with dynamic height */
    .akt-use-cases-slider--fullbg .akt-use-cases-slider__slide {
        height: auto !important;
        min-height: 400px;
    }
    
    .akt-use-cases-slider--fullbg .akt-use-cases-slider__content {
        padding: 2rem 1.5rem;
        height: auto;
        min-height: 400px;
        align-items: flex-start; /* Content startet oben */
        padding-top: 3rem;
        padding-bottom: 3rem;
    }
    
    .akt-use-cases-slider__slide-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .akt-use-cases-slider__slide-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        line-height: 1.6; /* Bessere Lesbarkeit */
    }
    
    .akt-use-cases-slider__button {
        padding: 12px 20px;
        font-size: 0.875rem;
    }
    
    .akt-use-cases-slider__arrows {
        padding: 0 0.5rem;
    }
    
    .akt-use-cases-slider__arrow {
        width: 40px;
        height: 40px;
    }
    
    .akt-use-cases-slider__navigation {
        padding: 30px 0;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .akt-use-cases-slider__container {
        min-height: 350px; /* Kleinere Mindesthöhe für sehr kleine Screens */
        height: auto;
    }
    
    /* Split Layout Small Mobile with even more dynamic behavior */
    .akt-use-cases-slider--split .akt-use-cases-slider__slide {
        min-height: 350px;
        height: auto !important;
    }
    
    .akt-use-cases-slider--split .akt-use-cases-slider__content {
        padding: 1.5rem 1rem;
        min-height: auto; /* Entfernt minimum height für sehr kleine Screens */
        height: auto;
    }
    
    .akt-use-cases-slider--split .akt-use-cases-slider__background {
        height: 150px; /* Kleinerer Bild-Bereich auf sehr kleinen Screens */
    }
    
    /* Full Background Layout Small Mobile */
    .akt-use-cases-slider--fullbg .akt-use-cases-slider__slide {
        min-height: 350px;
        height: auto !important;
    }
    
    .akt-use-cases-slider--fullbg .akt-use-cases-slider__content {
        padding: 1.5rem 1rem;
        min-height: 350px;
    }
    
    .akt-use-cases-slider__slide-title {
        font-size: 1.75rem;
        line-height: 1.3; /* Kompaktere Zeilenhöhe */
    }
    
    .akt-use-cases-slider__slide-description {
        font-size: 0.875rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
    }
    
    .akt-use-cases-slider__button {
        padding: 10px 18px;
        font-size: 0.875rem;
    }
    
    .akt-use-cases-slider__navigation {
        gap: 15px; /* Kleinere Abstände zwischen Navigation-Segmenten */
        padding: 25px 0;
    }
}

/* Extra small screens - weitere Optimierungen */
@media (max-width: 360px) {
    .akt-use-cases-slider__container {
        min-height: 300px;
    }
    
    .akt-use-cases-slider--split .akt-use-cases-slider__slide {
        min-height: 300px;
    }
    
    .akt-use-cases-slider--split .akt-use-cases-slider__content {
        padding: 1.25rem 0.75rem;
    }
    
    .akt-use-cases-slider--split .akt-use-cases-slider__background {
        height: 120px;
    }
    
    .akt-use-cases-slider__slide-title {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }
    
    .akt-use-cases-slider__slide-description {
        font-size: 0.8rem;
        margin-bottom: 1.25rem;
    }
    
    .akt-use-cases-slider__navigation {
        gap: 10px;
        padding: 20px 0;
    }
}

/* ==========================================================================
   High Contrast Mode Support
   ========================================================================== */

@media (prefers-contrast: high) {
    .akt-use-cases-slider__overlay--light {
        background: rgba(0, 0, 0, 0.4);
    }
    
    .akt-use-cases-slider__overlay--medium {
        background: rgba(0, 0, 0, 0.6);
    }
    
    .akt-use-cases-slider__overlay--dark {
        background: rgba(0, 0, 0, 0.8);
    }
    
    .akt-use-cases-slider__overlay--very-dark {
        background: rgba(0, 0, 0, 0.9);
    }
}

/* ==========================================================================
   Reduced Motion Support
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .akt-use-cases-slider__slide,
    .akt-use-cases-slider__button,
    .akt-use-cases-slider__arrow,
    .akt-use-cases-slider__dot,
    .akt-use-cases-slider__dot-inner,
    .akt-use-cases-slider__button-icon,
    .akt-use-cases-slider__progress-bar {
        transition: none;
    }
    
    .akt-use-cases-slider__button:hover {
        transform: none;
    }
    
    .akt-use-cases-slider__arrow:hover {
        transform: none;
    }
}