body { font-family: "Segoe UI", system-ui, sans-serif; }

.login-card { border: 0; border-top: 4px solid #dc3545; }

.stat-card { border: 0; border-left: 4px solid #0d6efd; }
.stat-card .fs-2 { line-height: 1.1; }

/* Campo con edición manual pendiente de protección */
.campo-modificado {
    border-color: #ffc107 !important;
    background-color: #fffbea;
}

.celda-ancho { max-width: 220px; }

.table td, .table th { vertical-align: middle; }

.navbar-brand { letter-spacing: .3px; }

/* Autocomplete dropdown */
.ac-wrap { position: relative; }
.ac-list {
    position: absolute; z-index: 1050; top: 100%; left: 0; right: 0;
    max-height: 220px; overflow-y: auto;
    background: #fff; border: 1px solid #dee2e6; border-top: 0;
    border-radius: 0 0 .375rem .375rem;
    box-shadow: 0 4px 8px rgba(0,0,0,.12);
    display: none; margin: 0; padding: 0; list-style: none;
}
.ac-list.show { display: block; }
.ac-item {
    padding: .4rem .75rem; cursor: pointer; font-size: .85rem;
    border-bottom: 1px solid #f0f0f0;
}
.ac-item:last-child { border-bottom: 0; }
.ac-item:hover, .ac-item.active { background: #e9ecef; }
.ac-item .small { color: #6c757d; font-size: .75rem; }
.ac-empty { padding: .6rem .75rem; color: #6c757d; font-size: .85rem; font-style: italic; }