:root {
    --vubp-accent: #1b6ef3;
    --vubp-dark: #111111;
    --vubp-light: #ffffff;
    --vubp-muted: #6b7280;
}

.vubp-grid-wrapper {
    --vubp-gap: 24px;
    --vubp-radius: 16px;
    --vubp-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    position: relative;
    margin: 0 auto;
}

.vubp-grid {
    display: grid;
    grid-template-columns: repeat(var(--vubp-columns, 4), minmax(0, 1fr));
    gap: var(--vubp-gap);
}

@media (max-width: 1024px) {
    .vubp-grid {
        grid-template-columns: repeat(var(--vubp-columns-tablet, 2), minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .vubp-grid {
        grid-template-columns: repeat(var(--vubp-columns-mobile, 1), minmax(0, 1fr));
    }
}

.vubp-card {
    background: var(--vubp-light);
    border-radius: var(--vubp-radius);
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.vubp-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--vubp-shadow);
}

.vubp-thumb {
    position: relative;
    display: block;
    overflow: hidden;
}

.vubp-thumb img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.vubp-card:hover .vubp-thumb img {
    transform: scale(1.08);
}

.vubp-category {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--vubp-dark);
    color: var(--vubp-light);
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 999px;
    letter-spacing: 0.02em;
}

.vubp-content {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.vubp-title {
    font-size: 18px;
    margin: 0;
    line-height: 1.4;
}

.vubp-title a {
    color: var(--vubp-dark);
    text-decoration: none;
}

.vubp-meta {
    color: var(--vubp-muted);
    font-size: 13px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.vubp-excerpt {
    color: #4b5563;
    font-size: 14px;
    line-height: 1.6;
}

.vubp-read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--vubp-accent);
    text-decoration: none;
    font-weight: 600;
}

.vubp-read-more::after {
    content: '\2192';
    transition: transform 0.3s ease;
}

.vubp-read-more:hover::after {
    transform: translateX(4px);
}

.vubp-style-2 .vubp-card {
    border: 1px solid #eef2f7;
}

.vubp-style-3 .vubp-card {
    position: relative;
}

.vubp-style-3 .vubp-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 10%, rgba(0, 0, 0, 0.65) 100%);
}

.vubp-style-3 .vubp-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: #ffffff;
    z-index: 2;
    padding: 24px;
}

.vubp-style-3 .vubp-title a,
.vubp-style-3 .vubp-meta,
.vubp-style-3 .vubp-excerpt {
    color: #ffffff;
}

.vubp-style-3 .vubp-read-more {
    color: #ffffff;
}

.vubp-style-4 .vubp-card {
    flex-direction: row;
    align-items: stretch;
}

.vubp-style-4 .vubp-thumb,
.vubp-style-4 .vubp-thumb img {
    height: 100%;
}

.vubp-style-4 .vubp-thumb {
    flex: 0 0 45%;
}

.vubp-style-4 .vubp-content {
    flex: 1;
}

@media (max-width: 767px) {
    .vubp-style-4 .vubp-card {
        flex-direction: column;
    }
}

.vubp-style-5 .vubp-grid .vubp-card:first-child {
    grid-column: span 2;
}

@media (max-width: 1024px) {
    .vubp-style-5 .vubp-grid .vubp-card:first-child {
        grid-column: span 1;
    }
}

.vubp-style-6 .vubp-card {
    box-shadow: none;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
}

.vubp-style-7 .vubp-card {
    border-left: 4px solid var(--vubp-accent);
}

.vubp-style-8 .vubp-card {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.vubp-style-9 .vubp-card {
    border-radius: 28px;
}

.vubp-style-10 .vubp-card {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.vubp-load-more {
    margin: 30px auto 0;
    display: inline-flex;
    padding: 12px 24px;
    border-radius: 999px;
    border: none;
    background: var(--vubp-dark);
    color: #ffffff;
    cursor: pointer;
    font-weight: 600;
}

.vubp-loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    color: var(--vubp-muted);
    font-size: 14px;
}

.vubp-loading.active {
    display: flex;
}

.vubp-spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid #e5e7eb;
    border-top-color: var(--vubp-accent);
    animation: vubp-spin 0.8s linear infinite;
}

@keyframes vubp-spin {
    to {
        transform: rotate(360deg);
    }
}

.vubp-filter-wrapper {
    display: grid;
    gap: 24px;
}

.vubp-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.vubp-filter {
    border: 1px solid #e5e7eb;
    background: #ffffff;
    padding: 8px 16px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 14px;
}

.vubp-filter.active {
    background: var(--vubp-dark);
    color: #ffffff;
    border-color: var(--vubp-dark);
}

.vubp-trending {
    display: grid;
    gap: 18px;
}

.vubp-trending-item {
    display: flex;
    gap: 16px;
    align-items: center;
}

.vubp-trending-thumb {
    width: 80px;
    height: 80px;
    border-radius: 14px;
    overflow: hidden;
    flex-shrink: 0;
}

.vubp-trending-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vubp-trending-title {
    color: var(--vubp-dark);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 6px;
}

.vubp-trending-meta {
    display: flex;
    gap: 10px;
    color: var(--vubp-muted);
    font-size: 12px;
}