.brainsync-wellbeing {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

.brainsync-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 20px 20px;
}

.brainsync-slide {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    padding: 40px;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brainsync-slide h1 {
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 20px;
    text-align: center;
    border-bottom: 3px solid #3498db;
    padding-bottom: 15px;
}

.brainsync-slide h2 {
    color: #34495e;
    font-size: 2em;
    margin-bottom: 25px;
    text-align: center;
}

.brainsync-slide h3 {
    color: #2980b9;
    font-size: 1.5em;
    margin-bottom: 15px;
    margin-top: 25px;
}

.brainsync-slide p {
    font-size: 1.1em;
    margin-bottom: 15px;
    text-align: justify;
}

.brainsync-slide ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

.brainsync-slide li {
    margin-bottom: 10px;
    font-size: 1.1em;
}

.brainsync-highlight-box {
    background: linear-gradient(135deg, #74b9ff, #0984e3);
    color: #fff;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.brainsync-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.brainsync-feature-card {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease;
}

.brainsync-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.brainsync-feature-card h4 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.brainsync-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.brainsync-stat-card {
    background: linear-gradient(135deg, #a29bfe, #6c5ce7);
    color: #fff;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.brainsync-stat-number {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 10px;
}

.brainsync-stat-label {
    font-size: 1.1em;
}

.brainsync-code-block {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 20px;
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    margin: 20px 0;
    overflow-x: auto;
    white-space: pre-line;
}

.brainsync-icon {
    font-size: 1.5em;
    margin-right: 10px;
    color: #3498db;
}

.brainsync-benefit-list {
    background: #e8f5e8;
    border-left: 5px solid #27ae60;
    padding: 20px;
    margin: 20px 0;
}

.brainsync-challenge-list {
    background: #fdf2e9;
    border-left: 5px solid #e67e22;
    padding: 20px;
    margin: 20px 0;
}

.brainsync-navigation {
    position: fixed;
    top: 120px;
    right: 20px;
    background: rgba(255, 255, 255, 0.9);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 999;
    cursor: default;
}

.brainsync-navigation.is-dragging {
    cursor: grabbing;
    user-select: none;
}

.brainsync-nav-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: rgba(52, 152, 219, 0.85);
    color: #fff;
    border-radius: 6px;
    padding: 6px 10px;
    margin-bottom: 10px;
    cursor: grab;
    font-size: 0.9em;
    user-select: none;
}

.brainsync-navigation.is-dragging .brainsync-nav-handle {
    cursor: grabbing;
}

.brainsync-nav-handle-icon {
    font-size: 1em;
    color: #fff;
}

.brainsync-nav-handle-label {
    font-weight: 600;
}

.brainsync-nav-btn {
    display: block;
    background: #3498db;
    color: #fff;
    border: none;
    padding: 10px 15px;
    margin: 5px 0;
    border-radius: 5px;
    text-decoration: none;
    text-align: center;
    transition: background 0.3s ease;
}

.brainsync-nav-btn:hover,
.brainsync-nav-btn.active {
    background: #2980b9;
}

@media (max-width: 768px) {
    .brainsync-slide {
        padding: 20px;
        margin-bottom: 20px;
    }

    .brainsync-slide h1 {
        font-size: 2em;
    }

    .brainsync-slide h2 {
        font-size: 1.5em;
    }

    .brainsync-feature-grid {
        grid-template-columns: 1fr;
    }

    .brainsync-navigation {
        position: static;
        margin-bottom: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .brainsync-nav-btn {
        flex: 1 0 calc(50% - 10px);
    }
}