/* CSS cho Smile Design AI Tabs */
.smile-tabs-wrapper {
    font-family: 'Arial', sans-serif;
    margin: 30px auto;
    max-width: 1000px;
    background: #f9f9f9;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.smile-tabs-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Phần header tabs */
.smile-tabs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    border-bottom: 3px solid #e0e0e0;
    padding-bottom: 15px;
}

.smile-tab-item {
    flex: 1;
    min-width: 120px;
    text-align: center;
    background: #fff;
    padding: 15px 10px;
    border-radius: 12px 12px 0 0;
    font-weight: bold;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    font-size: 16px;
}

.smile-tab-item:hover {
    background: #f1f1f1;
}

.smile-tab-item.active {
    background: #4CAF50;
    color: white;
    border-bottom: none;
    transform: translateY(-2px);
}

.smile-tab-number {
    display: block;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 5px;
    color: inherit;
}

/* Phần content */
.smile-tabs-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    min-height: 300px;
}

.smile-tab-panel {
    display: none;
    animation: fadeIn 0.5s ease;
}

.smile-tab-panel.active {
    display: block;
}

.smile-ai-section {
    background: #E8F5E9;
    padding: 25px;
    border-radius: 12px;
    border-left: 6px solid #4CAF50;
    margin-top: 30px;
}

.smile-ai-title {
    font-size: 24px;
    color: #2E7D32;
    margin-bottom: 15px;
}

.smile-ai-desc {
    color: #555;
    line-height: 1.7;
    font-size: 16px;
}

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .smile-tabs-header {
        flex-direction: column;
    }
    .smile-tab-item {
        width: 100%;
        text-align: left;
        padding-left: 20px;
    }
}