/** tab-nav **/
.tab-nav {
    display: flex;
    flex-direction: row;
    padding: .5rem;
    gap: 2rem;
}
.tab-nav-item {
    font-size: 1.1rem;
    color: #333;
}

.tab-nav-item.active {
    color: #0a8be1;
    font-weight: bold;
}
.tab-nav-item:hover {
    color: #0a8be1;
    font-weight: bold;
}


/** course-list **/
.course-list {
    display: flex;
    flex-direction: row;
    
    flex-wrap: wrap;
    gap: 3rem;
}

.course-item {
    width: 45%;

    border: 1px solid #e0e0e0;
    border-radius: 10px 10px 5px 5px;

    display: flex;
    flex-direction: column;
    gap: .625rem;
}

.course-cover {
    position: relative;
}

.course-cover:hover .play-button {
    opacity: 1 !important;
}
.course-cover .play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s;
    background: rgba(0,0,0,0.5);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.course-cover .play-button i {
    color: white;
    font-size: 24px;
}



.course-info {
    padding: .5rem 1rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: .625rem;
}

.course-info .title {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.course-info a.course-title {
    font-weight: bold;
}

.course-info a.course-more {
    font-size: .875rem;
    color: #666;
}

.course-info a {
    color: #000;
}

.course-info a:hover {
    color: #0a8be1;
}

div.tags {
    font-size: .875rem;
    color: #666;
    display: flex;
    flex-direction: column;
    gap: .5rem;

}

.tags .label {
    padding: 0rem .5rem;
    border-radius: 5px;
    margin-right: .8rem;
}
.tags .label.updating-label {
    color: #0a8be1;
    border: 1px solid #0a8be1;
}
.tags .label.plan-label {
    color: #666;
    border: 1px solid #666;
}