html,
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #1f2937;
    background-color: #f8fafc;
    margin: 0;
    padding: 0;
}

* {
    box-sizing: border-box;
}

h1, h2, h3, h4, h5 {
    margin-top: 0;
    margin-bottom: .6rem;
}

p {
    margin-top: 0;
}

a:not(.btn):not(.list-group-item) {
    color: #1d4ed8;
    text-decoration: none;
}

a:not(.btn):not(.list-group-item):hover,
a:not(.btn):not(.list-group-item):focus {
    text-decoration: underline;
}

.px-4 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }
.p-0 { padding: 0; }
.p-3 { padding: 1rem; }
.me-2 { margin-right: .5rem; }
.ms-1 { margin-left: .25rem; }
.ms-2 { margin-left: .5rem; }
.ms-3 { margin-left: 1rem; }
.mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: 1rem; }
.mb-3 { margin-bottom: 1rem; }
.small { font-size: .875rem; }
.text-muted { color: #6b7280; }
.text-center { text-align: center; }
.text-end { text-align: right; }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.gap-2 { gap: .5rem; }

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -.5rem;
    margin-right: -.5rem;
}

[class*="col-"] {
    padding-left: .5rem;
    padding-right: .5rem;
    width: 100%;
}

.g-2 > [class*="col-"] { margin-bottom: .5rem; }
.g-3 > [class*="col-"] { margin-bottom: 1rem; }

@media (min-width: 768px) {
    .col-md-2 { width: 16.666667%; }
    .col-md-3 { width: 25%; }
    .col-md-4 { width: 33.333333%; }
    .col-md-6 { width: 50%; }
    .col-md-12 { width: 100%; }
}

.btn {
    display: inline-block;
    border: 1px solid transparent;
    border-radius: .375rem;
    padding: .375rem .75rem;
    font-size: .95rem;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    background-color: transparent;
}

.btn:disabled {
    opacity: .6;
    cursor: not-allowed;
}

.btn-sm {
    padding: .25rem .5rem;
    font-size: .82rem;
}

.btn-primary {
    color: #fff;
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-outline-primary {
    color: #2563eb;
    border-color: #2563eb;
}

.btn-outline-secondary {
    color: #475569;
    border-color: #94a3b8;
}

.btn-outline-danger {
    color: #dc2626;
    border-color: #dc2626;
}

.btn-link {
    color: #1d4ed8;
    border: none;
    background: none;
}

.form-label {
    display: inline-block;
    margin-bottom: .25rem;
    font-weight: 500;
}

.form-control,
.form-select {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: .375rem;
    padding: .4rem .55rem;
    font-size: .95rem;
    background-color: #fff;
}

.form-control-sm,
.form-select-sm {
    font-size: .84rem;
    padding: .25rem .45rem;
}

.form-check {
    display: flex;
    align-items: center;
    min-height: 2rem;
    gap: .4rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
    background-color: #fff;
}

.table th,
.table td {
    border: 1px solid #e2e8f0;
    padding: .45rem .6rem;
    vertical-align: middle;
}

.table thead th {
    background-color: #f1f5f9;
}

.table-striped tbody tr:nth-child(even) {
    background-color: #f8fafc;
}

.table-sm th,
.table-sm td {
    padding: .3rem .45rem;
}

.alert {
    border-radius: .375rem;
    border: 1px solid transparent;
    padding: .65rem .85rem;
    margin-bottom: 1rem;
}

.alert-danger { color: #991b1b; background-color: #fee2e2; border-color: #fecaca; }
.alert-success { color: #166534; background-color: #dcfce7; border-color: #bbf7d0; }
.alert-warning { color: #92400e; background-color: #fef3c7; border-color: #fde68a; }
.alert-info { color: #1e3a8a; background-color: #dbeafe; border-color: #bfdbfe; }

.card {
    border: 1px solid #e2e8f0;
    border-radius: .5rem;
    background-color: #fff;
}

.list-group {
    border: 1px solid #e2e8f0;
    border-radius: .5rem;
    overflow: hidden;
    background-color: #fff;
}

.list-group-item {
    display: block;
    padding: .65rem .8rem;
    border-bottom: 1px solid #e2e8f0;
    text-decoration: none;
    color: #1f2937;
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item-action:hover {
    background-color: #f8fafc;
}

.badge {
    display: inline-block;
    padding: .2em .5em;
    border-radius: .375rem;
    color: #fff;
    font-size: .72rem;
}

.bg-secondary {
    background-color: #6b7280;
}

@media print {
    html,
    body {
        background: #fff;
        font-size: 12px;
        color: #000;
    }

    .sidebar,
    .top-row {
        display: none !important;
    }

    .page,
    main {
        display: block !important;
        width: 100% !important;
    }

    .content {
        max-width: none !important;
        padding: .25rem !important;
    }

}