:root {
  --co-navy: #173b67;
  --co-navy-dark: #0e2949;
  --co-blue: #2563a6;
  --co-amber: #f2a900;
  --co-canvas: #f4f7fb;
  --co-border: #dce5ef;
  --co-muted: #607187;
}

body { min-height: 100vh; color: #172436; background: var(--co-canvas); }
.skip-link { position: fixed; top: .5rem; left: .5rem; z-index: 1200; padding: .5rem 1rem; background: #fff; }
.app-navbar { min-height: 4.25rem; background: var(--co-navy-dark); box-shadow: 0 3px 15px rgba(3,21,41,.15); }
.app-brand { display: inline-flex; align-items: center; gap: .65rem; color: #fff; font-weight: 750; letter-spacing: -.02em; text-decoration: none; }
.app-brand:hover { color: #fff; }
.app-brand-mark { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: .65rem; background: #fff; color: var(--co-navy); }
.app-brand-wordmark span { color: var(--co-amber); }
.app-navbar .nav-link { border-radius: .5rem; color: rgba(255,255,255,.78); }
.app-navbar .nav-link:hover, .app-navbar .nav-link.active { color: #fff; background: rgba(255,255,255,.1); }
.firm-chip { display: inline-flex; align-items: center; gap: .45rem; max-width: 18rem; padding: .38rem .65rem; border: 1px solid rgba(255,255,255,.22); border-radius: .6rem; color: #fff; }
.firm-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.breadcrumb-bar { border-bottom: 1px solid var(--co-border); background: #fff; }
.breadcrumb { --bs-breadcrumb-divider-color: #94a3b8; font-size: .88rem; }
.breadcrumb-item a { color: #4b6179; text-decoration: none; }
.breadcrumb-item a:hover { color: var(--co-navy); text-decoration: underline; }
.breadcrumb-item.active { color: var(--co-navy); font-weight: 650; }
.app-main { min-height: calc(100vh - 178px); padding-top: 1.75rem; padding-bottom: 2rem; }
.page-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.page-header h1, .page-header h2 { margin-bottom: .25rem; color: var(--co-navy-dark); font-size: clamp(1.55rem,3vw,2rem); font-weight: 750; letter-spacing: -.025em; }
.page-subtitle { max-width: 52rem; margin: 0; color: var(--co-muted); }
.page-actions { display: flex; flex-wrap: wrap; gap: .55rem; }
.card { border-color: var(--co-border); border-radius: .8rem; box-shadow: 0 4px 18px rgba(26,53,82,.045); }
.card-header { border-bottom-color: var(--co-border); background: #f8fafc; }
.table { margin-bottom: 0; }
.table > :not(caption) > * > * { padding: .78rem .72rem; border-bottom-color: #e6edf4; vertical-align: middle; }
.table thead th { color: #43576e; background: #f7f9fc; font-size: .78rem; letter-spacing: .025em; text-transform: uppercase; white-space: nowrap; }
.table-actions { display: flex; flex-wrap: nowrap; gap: .35rem; }
.empty-state { padding: clamp(2rem,5vw,4rem) 1.5rem; text-align: center; }
.empty-state-icon { display: inline-grid; place-items: center; width: 3.5rem; height: 3.5rem; margin-bottom: 1rem; border-radius: 1rem; background: #e7f0fa; color: var(--co-navy); font-size: 1.55rem; }
.empty-state h2, .empty-state h3 { color: var(--co-navy-dark); }
.empty-state p { max-width: 38rem; margin-right: auto; margin-left: auto; color: var(--co-muted); }
.form-label { color: #34495f; font-weight: 600; }
.form-control, .form-select { border-color: #cdd9e5; }
.form-control:focus, .form-select:focus { border-color: #6f9ccc; box-shadow: 0 0 0 .2rem rgba(37,99,166,.14); }
.field-error .form-control, .field-error .form-select { border-color: var(--bs-danger); }
.danger-panel { border-left: .3rem solid var(--bs-danger); }
.btn-primary { --bs-btn-bg: var(--co-navy); --bs-btn-border-color: var(--co-navy); --bs-btn-hover-bg: var(--co-navy-dark); --bs-btn-hover-border-color: var(--co-navy-dark); }
.btn-outline-primary { --bs-btn-color: var(--co-navy); --bs-btn-border-color: var(--co-navy); --bs-btn-hover-bg: var(--co-navy); --bs-btn-hover-border-color: var(--co-navy); }
.btn-warning { --bs-btn-color: #4c3500; --bs-btn-bg: #ffd66b; --bs-btn-border-color: #f0c34e; }
.metric-card .metric-label { color: var(--co-muted); font-size: .82rem; }
.metric-card .metric-value { color: var(--co-navy-dark); font-size: 1.8rem; font-weight: 750; }
.setup-steps { display: grid; gap: .75rem; padding: 0; margin: 0; list-style: none; }
.setup-step { display: flex; align-items: center; gap: .9rem; padding: .9rem 1rem; border: 1px solid var(--co-border); border-radius: .7rem; background: #fff; }
.setup-step-number { display: grid; flex: 0 0 auto; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: #e7eef6; color: var(--co-navy); font-weight: 700; }
.setup-step.complete .setup-step-number { background: #dcfce7; color: #147a43; }
.setup-step.current { border-color: #84add8; box-shadow: 0 0 0 .16rem rgba(37,99,166,.1); }
.app-footer { border-top: 1px solid var(--co-border); background: #fff; color: #718096; font-size: .85rem; }
.tabulator-shell { position: relative; min-height: 12rem; overflow-x: auto; }
.tabulator-placeholder { padding: 2rem; color: var(--co-muted); text-align: center; }

@media (max-width: 991.98px) {
  .app-navbar .navbar-collapse { padding-top: 1rem; }
  .firm-chip { max-width: 100%; margin: .5rem 0; }
}

@media (max-width: 767.98px) {
  .app-main { padding-top: 1.15rem; }
  .page-header { display: block; }
  .page-actions { margin-top: 1rem; }
  .page-actions .btn { flex: 1 1 auto; }
  .card-body { padding: 1rem; }
  .table-actions .btn { min-width: 2.4rem; }
}