body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

.navbar {
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.card {
    border-radius: 10px;
}

.control-card {
    transition: box-shadow 0.2s;
}

.control-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1) !important;
}

.sidebar-item {
    color: #495057;
    font-size: 0.82rem;
    line-height: 1.3;
}

.sidebar-item:hover {
    background: #e9ecef;
    color: #212529;
}

.sidebar-item.active {
    background: #0d6efd;
    color: #fff !important;
}

.sidebar-item.active .badge {
    background: rgba(255,255,255,0.3) !important;
    color: #fff;
}

.score-btn {
    font-size: 0.78rem;
    padding: 3px 10px;
    border-radius: 20px;
}

.table th {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #6c757d;
}

.progress {
    border-radius: 10px;
}

.alert-sm {
    font-size: 0.82rem;
}