:root {
    --mm-primary: #0d6efd;
    --mm-success: #198754;
    --mm-danger: #dc3545;
    --mm-warning: #ffc107;
    --mm-info: #0dcaf0;
}

body {
    background-color: #f4f6f9;
}

.app-navbar {
    background: linear-gradient(90deg, var(--mm-primary), #0b5ed7);
}

.app-content {
    min-height: calc(100vh - 160px);
}

.app-footer {
    background-color: #fff;
    border-top: 1px solid #dee2e6;
    color: #6c757d;
}

.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border-radius: 0.75rem;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #eef0f2;
    font-weight: 600;
}

.stat-card {
    border-radius: 0.75rem;
    color: #fff;
    padding: 1.25rem;
}

.stat-card.bg-primary { background: linear-gradient(135deg, var(--mm-primary), #0b5ed7) !important; }
.stat-card.bg-success { background: linear-gradient(135deg, var(--mm-success), #157347) !important; }
.stat-card.bg-warning { background: linear-gradient(135deg, var(--mm-warning), #dda907) !important; }
.stat-card.bg-info { background: linear-gradient(135deg, var(--mm-info), #0aa2c0) !important; }

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
}

.table thead th {
    background-color: #f1f3f5;
    font-weight: 600;
    border-bottom: 2px solid #dee2e6;
}

.badge-role-admin { background-color: var(--mm-danger); }
.badge-role-cajero { background-color: var(--mm-info); color: #212529; }

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--mm-primary), #0b5ed7);
}

.login-card {
    width: 100%;
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}