/* ===============================
   KNOWLEDGE CATEGORY SECTION
================================ */

.knowledge-categories {
    padding: 60px 40px 30px;
    max-width: 1200px;
    margin: auto;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
}

.knowledge-categories .article-card {
    background: rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: 0.3s ease;
    border: 1px solid rgba(255,255,255,0.08);
}

.knowledge-categories .article-card:hover {
    transform: translateY(-6px);
    background: rgba(56,189,248,0.15);
}

.knowledge-categories span {
    font-size: 28px;
    display: block;
    margin-bottom: 8px;
}

.knowledge-categories h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

.knowledge-categories p {
    font-size: 13px;
    opacity: 0.8;
}

/* ===============================
   SEARCH & FILTER
================================ */

.manga-controls {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.manga-controls input,
.manga-controls select {
    padding: 12px 20px;
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: white;
    outline: none;
    backdrop-filter: blur(8px);
    transition: 0.3s;
}

.manga-controls input:focus,
.manga-controls select:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 10px rgba(56,189,248,0.4);
}

/* ===============================
   ARTICLE GRID
================================ */

.manga-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(370px, 1fr));
    gap: 30px;
}

/* ===============================
   ARTICLE CARD (Modern)
================================ */

.manga-card {
    background: rgba(255,255,255,0.03);
    border-radius: 18px;
    overflow: hidden;
    cursor: pointer;
    transition: 0.35s ease;
    border: 1px solid rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
}

.manga-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.manga-card img {
    width: 100%;
    height: 270px;
    object-fit: cover;
    transition: 0.4s ease;
}

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

.manga-info {
    padding: 18px;
}

.manga-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.manga-info p {
    font-size: 14px;
    color: #cbd5e1;
    margin-bottom: 10px;
}

.manga-info .category {
    font-size: 12px;
    color: #38bdf8;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.manga-info .date {
    font-size: 12px;
    color: #94a3b8;
}

/* ===============================
   NO RESULTS
================================ */

.no-results {
    text-align: center;
    grid-column: 1 / -1;
    padding: 40px;
}