/**
 * SML Partner Carousel Widget CSS
 * Clinical Precision Design - 연구소/바이오텍 스타일
 * 
 * CSS Variables (set via inline style):
 * --partner-primary: Primary color for buttons, accents (default: #00C9A7)
 * --partner-slides: Number of slides to show (default: 5)
 * --partner-grayscale: 1 for grayscale, 0 for color (default: 1)
 */

/* ============================================
   SML Partner Section
   ============================================ */

.sml-partner-section {
    --sml-primary: #0A2540;
    --sml-secondary: var(--partner-primary, #00C9A7);
    --sml-accent: #00D4FF;
    --sml-bg-white: #FFFFFF;
    --sml-bg-gray: #F8FAFB;
    --sml-border: #E2E8F0;
    --sml-text: #1A1A2E;
    --sml-text-muted: #64748B;
    
    padding: 100px 40px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFB 50%, #FFFFFF 100%);
    position: relative;
}

.sml-partner-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 201, 167, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Legacy class support */
.sml-partners-section {
    --sml-primary: #0A2540;
    --sml-secondary: var(--partner-primary, #00C9A7);
    --sml-accent: #00D4FF;
    --sml-bg-white: #FFFFFF;
    --sml-bg-gray: #F8FAFB;
    --sml-border: #E2E8F0;
    --sml-text: #1A1A2E;
    --sml-text-muted: #64748B;
    
    padding: 60px 20px;
    background: var(--sml-bg-gray);
}

/* ============================================
   Partner Header
   ============================================ */

.sml-partner-header {
    text-align: center;
    margin-bottom: 40px;
}

.sml-partner-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 38px;
    font-weight: 700;
    color: #0A2540;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.sml-partner-subtitle {
    font-family: 'DM Sans', sans-serif;
    font-size: 18px;
    color: #64748B;
    margin: 0;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Filter Buttons
   ============================================ */

.sml-partner-filter {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.sml-partner-filter-btn {
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 20px;
    border: 1px solid #E2E8F0;
    border-radius: 24px;
    background: #FFFFFF;
    color: #64748B;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sml-partner-filter-btn:hover {
    border-color: var(--partner-primary, #00C9A7);
    color: var(--partner-primary, #00C9A7);
}

.sml-partner-filter-btn.active {
    background: var(--partner-primary, #00C9A7);
    border-color: var(--partner-primary, #00C9A7);
    color: #FFFFFF;
}

/* ============================================
   Carousel Layout
   ============================================ */

.sml-partner-carousel-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px;
}

.sml-partner-carousel {
    display: flex;
    transition: transform 0.5s ease;
}

.sml-partner-carousel-item {
    flex: 0 0 calc(100% / var(--partner-slides, 5));
    padding: 12px;
    box-sizing: border-box;
}

/* ============================================
   Logo Wrapper
   ============================================ */

.sml-partner-logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 32px;
    height: 120px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.sml-partner-logo-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 201, 167, 0.05), rgba(0, 212, 255, 0.03));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sml-partner-logo-wrapper:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 201, 167, 0.15);
    border-color: var(--partner-primary, #00C9A7);
}

.sml-partner-logo-wrapper:hover::before {
    opacity: 1;
}

/* Grayscale toggle via class */
.sml-partner-grayscale .sml-partner-logo {
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.sml-partner-grayscale .sml-partner-logo-wrapper:hover .sml-partner-logo {
    filter: grayscale(0%);
    opacity: 1;
}

.sml-partner-logo {
    max-width: 140px;
    max-height: 60px;
    object-fit: contain;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.sml-partner-name {
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #0A2540;
}

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

.sml-partner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #64748B;
    z-index: 10;
}

.sml-partner-nav:hover {
    background: var(--partner-primary, #00C9A7);
    border-color: var(--partner-primary, #00C9A7);
    color: #FFFFFF;
}

.sml-partner-nav.prev {
    left: 0;
}

.sml-partner-nav.next {
    right: 0;
}

/* ============================================
   Dots Navigation
   ============================================ */

.sml-partner-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.sml-partner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #E2E8F0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sml-partner-dot.active,
.sml-partner-dot:hover {
    background: var(--partner-primary, #00C9A7);
    width: 24px;
    border-radius: 4px;
}

/* ============================================
   Grid Layout
   ============================================ */

.sml-partner-grid {
    display: grid;
    grid-template-columns: repeat(var(--partner-slides, 5), 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.sml-partner-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.sml-partner-grid-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 201, 167, 0.12);
    border-color: var(--partner-primary, #00C9A7);
}

.sml-partner-grid-item .sml-partner-logo {
    max-width: 120px;
    max-height: 60px;
    object-fit: contain;
}

/* Grayscale for grid */
.sml-partner-grayscale .sml-partner-grid-item .sml-partner-logo {
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.sml-partner-grayscale .sml-partner-grid-item:hover .sml-partner-logo {
    filter: grayscale(0%);
    opacity: 1;
}

.sml-partner-grid-item .sml-partner-name {
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #0A2540;
    margin-top: 12px;
}

.sml-partner-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 201, 167, 0.1);
    color: var(--partner-primary, #00C9A7);
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    margin-top: 12px;
    font-family: 'DM Sans', sans-serif;
}

/* Category Badge (alternate class) */
.sml-partner-category-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 201, 167, 0.1);
    color: var(--partner-primary, #00C9A7);
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    margin-top: 12px;
    font-family: 'DM Sans', sans-serif;
}

/* Partner Description */
.sml-partner-desc {
    font-size: 12px;
    color: #64748B;
    line-height: 1.5;
    font-family: 'DM Sans', sans-serif;
}

/* ============================================
   Legacy Grid Layout Support
   ============================================ */

/* Grid Layout */
.sml-partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.sml-partner-item {
    background: var(--sml-bg-white);
    border-radius: 12px;
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    height: 100px;
    border: 1px solid var(--sml-border);
    transition: all 0.3s ease;
}

.sml-partner-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 201, 167, 0.12);
    border-color: var(--sml-secondary);
}

.sml-partner-item img {
    max-width: 120px;
    max-height: 50px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.sml-partner-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* Carousel Layout */
.sml-partners-carousel {
    overflow: hidden;
    position: relative;
}

.sml-partners-track {
    display: flex;
    animation: sml-scroll-partners 30s linear infinite;
}

.sml-partners-carousel:hover .sml-partners-track {
    animation-play-state: paused;
}

@keyframes sml-scroll-partners {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.sml-partners-carousel .sml-partner-item {
    flex-shrink: 0;
    margin: 0 16px;
}

/* Navigation Arrows */
.sml-partners-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.sml-partners-nav-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sml-bg-white);
    border: 1px solid var(--sml-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--sml-text-muted);
}

.sml-partners-nav-btn:hover {
    background: var(--sml-secondary);
    border-color: var(--sml-secondary);
    color: var(--sml-primary);
}

.sml-partners-nav-btn svg {
    width: 20px;
    height: 20px;
}

/* Dots Navigation - Legacy */
.sml-partners-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.sml-partners-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sml-border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.sml-partners-dot.active,
.sml-partners-dot:hover {
    background: var(--sml-secondary);
    transform: scale(1.2);
}

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

@media (max-width: 1024px) {
    .sml-partner-carousel-item {
        flex: 0 0 33.333%;
    }
    .sml-partner-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .sml-partner-section {
        padding: 48px 20px;
    }
    
    .sml-partner-carousel-wrapper {
        padding: 0 40px;
    }
    
    .sml-partner-carousel-item {
        flex: 0 0 50%;
    }
    
    .sml-partner-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sml-partner-title {
        font-size: 24px;
    }
    
    /* Legacy */
    .sml-partners-section {
        padding: 48px 16px;
    }

    .sml-partners-grid {
        gap: 16px;
    }

    .sml-partner-item {
        padding: 20px 24px;
        min-width: 140px;
        height: 80px;
    }

    .sml-partner-item img {
        max-width: 100px;
        max-height: 40px;
    }
}

@media (max-width: 480px) {
    .sml-partner-carousel-item {
        flex: 0 0 100%;
    }
    
    .sml-partner-grid {
        grid-template-columns: 1fr;
    }
    
    .sml-partner-filter {
        flex-direction: column;
        align-items: center;
    }
}