.vocab-overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    justify-content: center;
    margin: 0 auto;
	padding-left: 16px;
    padding-right: 16px;
}


/* CARD BÀI HỌC */
.lesson-card-modern {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    transition: box-shadow 0.2s, transform 0.2s;
    text-decoration: none;
    color: inherit;
}

.lesson-card-modern:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

/* HEADER: Tiêu đề và Badge */
.lesson-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lesson-card-header h3 {
    font-size: 1.0rem;
    font-weight: bold;
    margin: 0;
    color: #111827;
}

.lesson-badge {
	    position: static !important;
    background: #fef3c7;
    color: #b45309;
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Mô tả */
.lesson-description {
    color: #374151;
    font-size: 0.95rem;
    margin: 12px 0;
    flex: 1;
}

/* Footer: Tiến độ và nút */
.lesson-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    font-size: 0.9rem;
    color: #2563eb;
}



.lesson-action {
    color: #00ae09;
}

.lesson-progress {
    font-weight: 300;
}

.lesson-progress.not-started {
    color: #111827; /* Đen */
}


.lesson-progress.progress-low {
    color: #0089c4; /* Xanh dương */
}


.lesson-progress.progress-mid {
    color: #d97706; /* Vàng cam */
}

.lesson-progress.progress-high {
    color: #16a34a; /* Xanh lá */
}

/* Responsive */
@media (max-width: 1100px) {
    .vocab-overview-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .vocab-overview-grid {
        grid-template-columns: 1fr;
    }
}

.lesson-badge.vip {
    background: #fee2e2; /* Vàng nhạt */
    color: #b91c1c;      /* Vàng đậm */
}