body {
    background-color: #f8f9fa;
}

.card-stat {
    border-left: 4px solid;
    transition: transform 0.15s;
}
.card-stat:hover {
    transform: translateY(-2px);
}
.card-stat.border-primary { border-left-color: #0d6efd; }
.card-stat.border-success { border-left-color: #198754; }
.card-stat.border-warning { border-left-color: #ffc107; }
.card-stat.border-info    { border-left-color: #0dcaf0; }

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.table-invoices td {
    vertical-align: middle;
}

.vendor-badge {
    font-size: 0.8rem;
    padding: 0.25em 0.6em;
}

.pdf-viewer {
    width: 100%;
    height: 80vh;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
}

.source-status {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.source-status.connected { background-color: #198754; }
.source-status.disconnected { background-color: #dc3545; }

.scan-progress {
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}