/* JS Logo Showcase Styles */

.js-logo-showcase {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
    position: relative;
}

/* Filter Buttons */
.js-logo-filter {
    margin-bottom: 30px;
    padding: 20px 0;
}

/* Dropdown Filter Style */
.js-logo-filter-dropdown {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.js-filter-select {
    min-width: 250px;
    padding: 12px 40px 12px 20px;
    font-size: 16px;
    font-weight: 500;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    background-color: #ffffff;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20width%3D%2220%22%20height%3D%2220%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M5%207l5%205%205-5z%22%20fill%3D%22%23495057%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    color: #495057;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.js-filter-select:hover {
    border-color: #007cba;
    box-shadow: 0 4px 12px rgba(0, 124, 186, 0.15);
}

.js-filter-select:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1);
}

.js-filter-select.filtering {
    opacity: 0.7;
    pointer-events: none;
}

.js-logo-filter-dropdown.filter-center {
    justify-content: center;
}

.js-logo-filter-dropdown.filter-right {
    justify-content: flex-end;
}

.js-filter-btn {
    margin: 0 5px 10px 5px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    text-transform: capitalize;
    outline: none;
}

/* Button Size Variations */
.js-filter-btn-small {
    padding: 8px 16px;
}

.js-filter-btn-medium {
    padding: 12px 24px;
}

.js-filter-btn-large {
    padding: 16px 32px;
}

.js-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.js-filter-btn.active {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Logo Grid */
.js-logo-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    opacity: 1;
    transition: opacity 0.3s ease;
    align-items: start;
    justify-content: center;
}

.js-logo-grid.loading {
    opacity: 0.5;
}

/* Column Variations */
.js-logo-grid[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
    max-width: 600px;
    margin: 0 auto;
}

.js-logo-grid[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

.js-logo-grid[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.js-logo-grid[data-columns="5"] {
    grid-template-columns: repeat(5, 1fr);
}

.js-logo-grid[data-columns="6"] {
    grid-template-columns: repeat(6, 1fr);
}

/* Logo Items */
.js-logo-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
    position: relative;
}

/* Visibility states for proper alignment */
.js-logo-item.js-visible {
    visibility: visible;
    opacity: 1;
    transform: scale(1);
}

.js-logo-item.js-hidden {
    visibility: hidden;
    opacity: 0;
    transform: scale(0.8);
    position: absolute;
    pointer-events: none;
}

.js-logo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.js-logo-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    background: #fafafa;
    transition: all 0.3s ease;
    position: relative;
    cursor: default;
}

.js-logo-inner.has-dropdown {
    cursor: pointer;
}

.js-logo-inner.has-dropdown::after {
    content: '';
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.js-logo-inner.has-dropdown:hover::after {
    opacity: 1;
}

.js-logo-item:hover .js-logo-inner {
    background: #ffffff;
}

.js-logo-inner img {
    max-width: 100%;
    max-height: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

/* Dropdown Styles */
.js-logo-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e0e0e0;
    border-top: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    max-height: 0;
    overflow: hidden;
}

.js-logo-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    max-height: 300px;
    overflow-y: auto;
}

.js-dropdown-content {
    padding: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.js-logo-inner.dropdown-active {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

/* Carousel Mode */
.js-logo-grid.js-carousel {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    gap: 20px;
    padding-bottom: 10px;
    grid-template-columns: unset;
    max-width: unset;
}

.js-carousel .js-logo-item {
    flex: 0 0 250px;
    min-width: 250px;
}

.js-carousel .js-logo-item.js-hidden {
    display: none;
}

.js-carousel::-webkit-scrollbar {
    height: 8px;
}

.js-carousel::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.js-carousel::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.js-carousel::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Carousel Navigation */
.js-carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.js-carousel-nav:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.js-carousel-prev {
    left: -20px;
}

.js-carousel-next {
    right: -20px;
}

/* Animation Classes */
.js-logo-item.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading State */
.js-logo-loading {
    text-align: center;
    padding: 40px 20px;
    color: #666;
    grid-column: 1 / -1;
}

.js-logo-loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #0073aa;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error State */
.js-logo-error {
    text-align: center;
    padding: 40px 20px;
    color: #d32f2f;
    grid-column: 1 / -1;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .js-logo-grid[data-columns="6"] {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .js-logo-grid[data-columns="5"] {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .js-logo-showcase {
        padding: 15px;
    }
    
    .js-logo-filter {
        margin-bottom: 20px;
    }
    
    .js-filter-select {
        min-width: 100%;
        font-size: 14px;
        padding: 10px 35px 10px 15px;
    }
    
    .js-filter-btn {
        margin: 0 3px 8px 3px;
    }
    
    .js-filter-btn-small {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .js-filter-btn-medium {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .js-filter-btn-large {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .js-logo-grid {
        gap: 15px;
    }
    
    .js-logo-grid[data-columns="6"],
    .js-logo-grid[data-columns="5"],
    .js-logo-grid[data-columns="4"] {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .js-logo-grid[data-columns="3"] {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .js-logo-grid[data-columns="2"] {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .js-logo-inner {
        min-height: 100px;
    }
    
    .js-logo-inner img {
        max-height: 90px;
    }
    
    .js-carousel .js-logo-item {
        flex: 0 0 200px;
        min-width: 200px;
    }
    
    .js-carousel-prev {
        left: 10px;
    }
    
    .js-carousel-next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .js-logo-grid[data-columns="6"],
    .js-logo-grid[data-columns="5"],
    .js-logo-grid[data-columns="4"],
    .js-logo-grid[data-columns="3"] {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .js-logo-inner {
        min-height: 80px;
    }
    
    .js-logo-inner img {
        max-height: 70px;
    }
    
    .js-carousel .js-logo-item {
        flex: 0 0 150px;
        min-width: 150px;
    }
    
    .js-dropdown-content {
        padding: 15px;
        font-size: 13px;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .js-logo-item {
        background: #2c2c2c;
        box-shadow: 0 2px 15px rgba(255, 255, 255, 0.05);
    }
    
    .js-logo-inner {
        background: #333;
    }
    
    .js-logo-item:hover .js-logo-inner {
        background: #2c2c2c;
    }
    
    .js-filter-btn {
        background: #333;
        border-color: #444;
        color: #fff;
    }
    
    .js-filter-btn:hover {
        background: #007cba;
        border-color: #007cba;
    }
    
    .js-logo-dropdown {
        background: #2c2c2c;
        border-color: #444;
    }
    
    .js-dropdown-content {
        color: #fff;
    }
}

/* Print Styles */
@media print {
    .js-logo-filter,
    .js-carousel-nav {
        display: none;
    }
    
    .js-logo-grid {
        display: grid !important;
        grid-template-columns: repeat(4, 1fr) !important;
    }
    
    .js-logo-item {
        break-inside: avoid;
    }
}