/**
 * File Location: wp-content/plugins/saig-responsive-carousel/assets/css/frontend.css
 * Purpose: Core frontend styles for the Saig Responsive Carousel. Mobile-first, uses CSS Grid/Flexbox for layouts.
 * Created by: Saig
 * Creation Date: November 28, 2025
 * Last Updated: November 28, 2025
 */

.saig-carousel {
    position: relative;
    width: 100%;
    max-width: 1200px; /* Constrain on large screens */
    margin: 0 auto;
    overflow: hidden;
    border-radius: 8px; /* Optional: subtle rounding */
}

.saig-slide-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px; /* Base height; adjust via media queries */
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.saig-slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.saig-slide-content {
    position: relative;
    z-index: 2;
    padding: 20px;
    max-width: 80%;
    text-align: center; /* Default center */
    background: rgba(0, 0, 0, 0.5); /* Semi-transparent overlay for readability */
    border-radius: 4px;
    color: #fff;
}

/* Text positioning variants */
.saig-slide-inner[data-position="left"] .saig-slide-content {
    text-align: left;
    margin-left: 20px;
    margin-right: auto;
}

.saig-slide-inner[data-position="right"] .saig-slide-content {
    text-align: right;
    margin-left: auto;
    margin-right: 20px;
}

.saig-slide-inner[data-position="center"] .saig-slide-content {
    text-align: center;
    margin: 0 auto;
}

.saig-slide-title {
    margin: 0 0 10px 0;
    font-size: 1.5rem;
    font-weight: bold;
}

.saig-slide-description {
    margin: 0;
    font-size: 1rem;
    opacity: 0.9;
}

/* Swiper overrides for consistency */
.swiper-button-next,
.swiper-button-prev {
    color: #fff;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: 40px;
    height: 40px;
}

.swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.5);
}

.swiper-pagination-bullet-active {
    background: #fff;
}

/* Responsive: Mobile-first */
@media (max-width: 480px) {
    .saig-slide-inner {
        height: 250px;
    }
    
    .saig-slide-content {
        padding: 15px;
        max-width: 90%;
    }
    
    .saig-slide-title {
        font-size: 1.2rem;
    }
    
    /* Stack text below image on very small screens */
    .saig-slide-inner[data-position="left"],
    .saig-slide-inner[data-position="right"] {
        flex-direction: column;
        text-align: center !important;
    }
}

@media (min-width: 768px) {
    .saig-slide-inner {
        height: 500px;
    }
    
    .saig-slide-title {
        font-size: 2rem;
    }
}

/* Accessibility: Focus styles */
.swiper-button-next:focus,
.swiper-button-prev:focus,
.swiper-pagination-bullet:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .saig-slide-content {
        background: rgba(0, 0, 0, 0.8);
    }
}

/* Empty state */
.saig-carousel-empty,
.saig-carousel-error {
    padding: 40px;
    text-align: center;
    background: #f5f5f5;
    border: 2px dashed #ddd;
    border-radius: 8px;
    color: #666;
    font-style: italic;
}

/* Loading state */
.saig-carousel.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Better responsive images */
.saig-slide-image {
    transition: opacity 0.3s ease;
}

.saig-slide-image.lazy {
    opacity: 0;
}

.saig-slide-image.loaded {
    opacity: 1;
}

/* Touch improvements */
.saig-carousel {
    -webkit-tap-highlight-color: transparent;
}

/* Print styles */
@media print {
    .saig-carousel {
        page-break-inside: avoid;
    }
    
    .swiper-button-next,
    .swiper-button-prev,
    .swiper-pagination {
        display: none !important;
    }
}