/* Стили для фильтров (общие для маркета и базы знаний) */
.market-filters {
    border: 1px solid #e9edf3;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
}

.market-filter-group {
    position: relative;
}

.market-filter-group .bi-search {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
}

.market-input,
.market-select {
    width: 100%;
    border: 1px solid #e5eaf2;
    border-radius: 12px;
    background: #fff;
    font-size: 0.92rem;
    min-height: 42px;
    padding: 8px 12px;
    color: #1f2937;
    transition: border-color .2s ease, box-shadow .2s ease;
}

.market-input:focus,
.market-select:focus {
    outline: none;
    border-color: #8db9ff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.14);
}

.market-input.search {
    padding-left: 36px;
}

.market-empty {
    grid-column: 1 / -1;
    padding: 30px 18px;
    border: 1px dashed #d7e3f5;
    border-radius: 14px;
    text-align: center;
    color: #64748b;
    background: #fbfdff;
}

/* Стили карточек статей базы знаний */
.kb-article-card {
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid #e8edf5;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}

.kb-article-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.1);
}

.kb-article-image {
    width: 100%;
    /* max-width: 200px; */
    border-radius: 16px 16px 0 0;
    /* object-fit: fill; */
    aspect-ratio: 16 / 10;
}

.kb-article-placeholder {
    height: 200px;
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #adb5bd;
    font-size: 3rem;
    border-radius: 16px 16px 0 0;
}

.kb-article-title a {
    color: inherit;
    text-decoration: none;
    font-size: 14px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kb-article-title a:hover {
    color: var(--dp-primary);
}

.kb-article-excerpt {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}

/* Стили статьи базы знаний */
.kb-article-featured {
    width: 100%;
    height: auto;
}

.kb-article-content {
    line-height: 1.8;
}

.kb-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

.kb-article-content p {
    margin-bottom: 1rem;
}

.kb-article-content h2,
.kb-article-content h3,
.kb-article-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.kb-article-content ul,
.kb-article-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.kb-article-content li {
    margin-bottom: 0.5rem;
}

.kb-article-content a {
    color: var(--dp-primary);
}

.kb-article-content blockquote {
    border-left: 4px solid var(--dp-primary);
    padding-left: 1rem;
    margin: 1rem 0;
    font-style: italic;
    color: #6c757d;
}

.kb-article-content pre {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
}

.kb-article-content table {
    width: 100%;
    margin: 1rem 0;
}

.kb-article-content table th,
.kb-article-content table td {
    padding: 0.75rem;
    border: 1px solid #dee2e6;
}

.kb-article-content table th {
    background: #f8f9fa;
    font-weight: 600;
}

.kb-article-content iframe {
    max-width: 100%;
    width: 100%;
    aspect-ratio: 16 / 9;
}

/* Стили для видео-превью */
.video-preview-card {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    margin: 1rem 0;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
}

.play-button {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    position: relative;
}

.play-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    border-left: 20px solid #c00;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
}

.video-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    text-align: center;
}

.video-info .btn {
    opacity: 0.9;
}

.btn-vk {
    background: #2787F5;
    color: white;
    border: none;
}

.btn-vk:hover {
    background: #1a6bdc;
    color: white;
}

.vk-video-card .play-button {
    background: rgba(255,255,255,0.9);
}

.vk-video-card .play-button::after {
    border-left-color: #2787F5;
}

.vk-thumbnail {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #2787F5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.vk-thumbnail::before {
    content: '';
    position: absolute;
    width: 100px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(39, 135, 245, 0.4);
}

.vk-thumbnail .vk-icon {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.95);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.vk-thumbnail .vk-icon svg {
    width: 32px;
    height: 32px;
    fill: #2787F5;
    margin-left: 4px;
}

/* Адаптивность */
@media (max-width: 992px) {
    .market-filters {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .market-filters {
        border-radius: 12px;
    }
    
    .market-input,
    .market-select {
        font-size: 16px; /* Предотвращает зум на iOS */
    }
}

/* Dark Theme for KB Filters */
[data-theme="dark"] .market-filters {
    background: var(--dp-card-bg);
    border-color: var(--dp-border-color);
}

[data-theme="dark"] .market-input,
[data-theme="dark"] .market-select {
    background: var(--dp-input-bg);
    border-color: var(--dp-input-border);
    color: var(--dp-input-text);
}

[data-theme="dark"] .market-input::placeholder {
    color: var(--dp-input-placeholder);
}