/**
 * Partnership Logos Carousel Frontend Styles
 * Modern, responsive, and accessible styling
 */

/* ==========================================================================
   Base Carousel Styles
   ========================================================================== */

.plc-carousel {
    width: 100%;
    margin: 0;
    position: relative;
    overflow: hidden;
}

.plc-carousel .splide__track {
    overflow: visible;
}

.plc-carousel .splide__list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.plc-carousel .splide__slide {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   Logo Item Styles
   ========================================================================== */

.plc-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    transition: transform 0.3s ease, opacity 0.3s ease;
    height: 100px;
    width: 100%;
}

.plc-logo-item:hover {
    transform: translateY(-2px);
}

.plc-logo-link {
    display: block;
    text-decoration: none;
    border: none;
    outline: none;
    transition: opacity 0.3s ease, transform 0.2s ease;
}

.plc-logo-link:hover,
.plc-logo-link:focus {
    opacity: 0.8;
    transform: scale(1.05);
}

.plc-logo-link:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ==========================================================================
   Logo Image Styles
   ========================================================================== */

.plc-logo-image {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.7);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.plc-logo-image:hover,
.plc-logo-link:hover .plc-logo-image,
.plc-logo-link:focus .plc-logo-image {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.02);
}

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

.plc-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: #666;
    font-style: italic;
}

.plc-loading-text::after {
    content: '';
    animation: plc-loading-dots 1.5s infinite;
}

@keyframes plc-loading-dots {
    0%, 20% {
        content: '';
    }
    40% {
        content: '.';
    }
    60% {
        content: '..';
    }
    80%, 100% {
        content: '...';
    }
}

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

.plc-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    background: #f9f9f9;
    border: 2px dashed #ddd;
    border-radius: 8px;
    color: #666;
}

.plc-empty-state p {
    margin: 0 0 1rem 0;
}

.plc-empty-state .button {
    display: inline-block;
    text-decoration: none;
}

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

/* Large screens (1200px and up) */
@media (min-width: 1200px) {
    .plc-logo-image {
        max-height: 100px;
    }
    
    .plc-logo-item {
        height: 100px;
        padding: 0 1.5rem;
    }
}

/* Medium screens (768px to 1199px) */
@media (min-width: 768px) and (max-width: 1199px) {
    .plc-logo-image {
        max-height: 70px;
    }
    
    .plc-logo-item {
        height: 100px;
        padding:0 1rem;
    }
}

/* Small screens (481px to 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    .plc-logo-image {
        max-height: 60px;
    }
    
    .plc-logo-item {
        height: 100px;
        padding: 0 0.75rem;
    }
    
    .plc-carousel {
        margin: 0;
    }
}

/* Extra small screens (480px and below) */
@media (max-width: 480px) {
    .plc-logo-image {
        max-height: 50px;
    }
    
    .plc-logo-item {
        height: 90px;
        padding: 0 0.5rem;
    }
    
    .plc-carousel {
        margin: 0;
    }
    
    .plc-empty-state {
        padding: 2rem 1rem;
    }
}

/* ==========================================================================
   Accessibility Enhancements
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .plc-logo-item,
    .plc-logo-link,
    .plc-logo-image {
        transition: none;
    }
    
    .plc-loading-text::after {
        animation: none;
        content: '...';
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .plc-logo-image {
        filter: contrast(1.2);
    }
    
    .plc-logo-link:focus {
        outline: 3px solid currentColor;
    }
}

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

@media print {
    .plc-carousel {
        display: none;
    }
}