/* ==========================================================================
   Logo Grid / Client Logos Widget
   ========================================================================== */

.epp-logo-grid-wrapper {
    position: relative;
}

/* ── Grid Layout ───────────────────────────────────────────────────────── */

.epp-logo-grid {
    display: grid;
    gap: 24px;
    width: 100%;
}

/* ── Logo Item ─────────────────────────────────────────────────────────── */

.epp-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.3s ease;
    overflow: hidden;
    min-height: 100px;
}

.epp-logo-item img {
    max-width: 100%;
    height: auto;
    display: block;
    transition: all 0.3s ease;
    filter: grayscale(100%);
    opacity: 0.6;
}

.epp-logo-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

.epp-logo-item a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* ── Carousel Mode ─────────────────────────────────────────────────────── */

.epp-logo-carousel-wrapper {
    position: relative;
    padding: 0 50px;
}

.epp-logo-carousel {
    overflow: hidden;
}

.epp-logo-carousel .swiper-slide {
    height: auto;
    display: flex;
    align-items: stretch;
}

.epp-logo-carousel .epp-logo-item {
    height: 100%;
    width: 100%;
}

/* ── Navigation Arrows ─────────────────────────────────────────────────── */

.epp-logo-carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    color: #374151;
}

.epp-logo-carousel-arrow:hover {
    background: #7c3aed;
    color: #fff;
    border-color: #7c3aed;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.epp-logo-carousel-arrow.swiper-button-disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.epp-logo-carousel-arrow.swiper-button-disabled:hover {
    background: #fff;
    color: #374151;
    border-color: #e5e7eb;
    box-shadow: none;
}

.epp-logo-carousel-prev {
    left: 0;
}

.epp-logo-carousel-next {
    right: 0;
}

.epp-logo-carousel-arrow svg {
    width: 20px;
    height: 20px;
}

/* ── Pagination Dots ───────────────────────────────────────────────────── */

.epp-logo-carousel-wrapper .swiper-pagination {
    position: relative;
    margin-top: 24px;
    text-align: center;
}

.epp-logo-carousel-wrapper .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: #d1d5db;
    opacity: 1;
    margin: 0 4px;
    transition: all 0.3s ease;
}

.epp-logo-carousel-wrapper .swiper-pagination-bullet-active {
    background: #7c3aed;
    width: 24px;
    border-radius: 5px;
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .epp-logo-carousel-wrapper {
        padding: 0 40px;
    }
    
    .epp-logo-carousel-arrow {
        width: 32px;
        height: 32px;
    }
    
    .epp-logo-carousel-arrow svg {
        width: 16px;
        height: 16px;
    }
    
    .epp-logo-item {
        padding: 16px;
        min-height: 80px;
    }
}

@media (max-width: 480px) {
    .epp-logo-carousel-wrapper {
        padding: 0 30px;
    }
}

/* ── Variants ──────────────────────────────────────────────────────────── */

/* Minimal Style */
.epp-logo-grid--minimal .epp-logo-item {
    background: transparent;
    border: none;
    padding: 12px;
}

/* Bordered Style */
.epp-logo-grid--bordered .epp-logo-item {
    border: 2px solid #e5e7eb;
}

.epp-logo-grid--bordered .epp-logo-item:hover {
    border-color: #7c3aed;
}

/* Card Style with Shadow */
.epp-logo-grid--card .epp-logo-item {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.epp-logo-grid--card .epp-logo-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

/* Dark Background */
.epp-logo-grid--dark .epp-logo-item {
    background: #1f2937;
    border-color: #374151;
}

.epp-logo-grid--dark .epp-logo-item img {
    filter: grayscale(100%) brightness(1.2);
}

.epp-logo-grid--dark .epp-logo-item:hover img {
    filter: grayscale(0%) brightness(1);
}

/* ── Loading State ─────────────────────────────────────────────────────── */

.epp-logo-item.loading {
    position: relative;
    min-height: 120px;
}

.epp-logo-item.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: epp-logo-loading 1.5s ease-in-out infinite;
    border-radius: inherit;
}

@keyframes epp-logo-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Accessibility ─────────────────────────────────────────────────────── */

.epp-logo-item a:focus {
    outline: 2px solid #7c3aed;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .epp-logo-item,
    .epp-logo-item img,
    .epp-logo-carousel-arrow,
    .swiper-pagination-bullet {
        transition: none !important;
    }
}