/* Academic Cards */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    padding: 0 1rem;
}

.expert-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-color);
}

.expert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(67, 160, 71, 0.2);
    border-color: var(--primary-color);
}

.expert-icon-wrapper {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-light), #fff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
}

.expert-card:hover .expert-icon-wrapper {
    background: var(--primary-color);
    transform: scale(1.1);
}

.expert-icon-wrapper img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.expert-card:hover .expert-icon-wrapper img {
    filter: brightness(0) invert(1);
}

.expert-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.expert-desc {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Informatika — tutorial Canva (akademik_informatika_canva.php) — grid kartu mirip YouTube */
.tutorial-canva-block {
    margin-bottom: 2.5rem;
}

.yt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.yt-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.yt-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(67, 160, 71, 0.15);
    border-color: rgba(67, 160, 71, 0.35);
}

.yt-card-media {
    position: relative;
    background: #0f0f0f;
}

.yt-card-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.yt-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.yt-card-play {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 4rem;
    height: 4rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: transform 0.15s ease;
}

.yt-card-play:hover {
    transform: scale(1.08);
}

.yt-card-play:focus {
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

.yt-card-play-bg {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    border: 2px solid rgba(255, 255, 255, 0.95);
}

.yt-card-play-icon {
    position: relative;
    color: #fff;
    font-size: 1.35rem;
    margin-left: 3px;
}

.yt-card-play-icon--small {
    font-size: 2.5rem;
    color: #ff0000;
    margin-left: 0;
}

.yt-card-thumb--pending {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #e8f5e9 0%, #f1f8e9 100%);
    min-height: 140px;
}

.yt-card-pending-inner {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.yt-card-pending-inner i {
    margin-right: 0.35rem;
}

.yt-card-thumb--link {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
}

.yt-card-thumb-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    height: 100%;
    min-height: 140px;
    text-decoration: none;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.yt-card-thumb-link:hover {
    background: var(--primary-light);
}

.yt-card-fallback-label {
    font-size: 0.85rem;
}

.yt-card-player {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
}

.yt-card-player iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.yt-card-body {
    padding: 0.85rem 1rem 1.1rem;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.yt-card-title {
    margin: 0 0 0.4rem 0;
    font-size: 0.98rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--primary-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.yt-card-desc {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.45;
    color: #606060;
    flex: 1 1 auto;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.yt-card-yt-link {
    margin-top: 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-dark);
    text-decoration: none;
}

.yt-card-yt-link:hover {
    text-decoration: underline;
}

.yt-card-yt-link i {
    color: #c4302b;
    margin-right: 0.25rem;
}

.yt-card-note {
    margin: 0.5rem 0 0 0;
    font-size: 0.78rem;
    color: #888;
}

/* Modul PDF buku panduan (akademik_informatika_canva.php) */
.mod-pdf-section {
    margin-top: 0.5rem;
}

.mod-pdf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.mod-pdf-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: var(--white);
    border-radius: 12px;
    padding: 1.25rem 1.35rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.mod-pdf-card:hover {
    border-color: rgba(67, 160, 71, 0.35);
    box-shadow: 0 6px 20px rgba(67, 160, 71, 0.12);
}

.mod-pdf-icon-wrap {
    flex: 0 0 auto;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 10px;
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    color: #c62828;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.65rem;
}

.mod-pdf-body {
    flex: 1 1 auto;
    min-width: 0;
    text-align: left;
}

.mod-pdf-title {
    margin: 0 0 0.4rem 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.35;
}

.mod-pdf-desc {
    margin: 0 0 0.85rem 0;
    font-size: 0.88rem;
    color: #555;
    line-height: 1.5;
}

.mod-pdf-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    background: var(--primary-color);
    color: #fff !important;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.mod-pdf-btn:hover {
    background: var(--primary-dark);
}

.mod-pdf-pending {
    display: inline-block;
    font-size: 0.88rem;
    color: #777;
    padding: 0.45rem 0.75rem;
    background: var(--primary-light);
    border-radius: 8px;
    border: 1px dashed rgba(46, 125, 50, 0.35);
}

.mod-pdf-pending i {
    margin-right: 0.35rem;
    color: var(--primary-dark);
}

@media (max-width: 500px) {
    .mod-pdf-card {
        flex-direction: column;
        align-items: stretch;
    }

    .mod-pdf-icon-wrap {
        width: 100%;
        height: 3rem;
    }
}