body {
    background-color: #121417;
}
.sidebar {
    width: 230px;
    min-height: 100vh;
    background-color: #1a1d21;
    border-right: 1px solid #2a2d31;
}
.sidebar .nav-link {
    color: #c9ccd1;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    margin-bottom: 4px;
}
.sidebar .nav-link:hover {
    background-color: #24272c;
    color: #fff;
}
.sidebar .nav-link.active {
    background-color: #6f42c1;
    color: #fff;
}
.card {
    background-color: #1a1d21;
    border: 1px solid #2a2d31;
}
.stat-card h2 {
    font-weight: 700;
}
.badge-dada { background-color: #198754; }
.badge-falta { background-color: #dc3545; }
.badge-falta_justificada { background-color: #fd7e14; }
.badge-agendada { background-color: #0d6efd; }
.badge-cancelada { background-color: #6c757d; }