:root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --border: #e1e5ea;
    --text: #1f2937;
    --muted: #6b7280;
    --brand: #09233c;
    --brand-light: #144569;
    --accent: #e27c27;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin:0; font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
a { color: var(--brand-light); text-decoration: none; }
a:hover { text-decoration: underline; }

.app { display: flex; min-height: 100vh; }

.sidebar { width: 230px; background: var(--brand); color: #fff; flex-shrink: 0; padding: 18px 0; }
.sidebar .brand { padding: 0 18px 16px; border-bottom: 1px solid rgba(255,255,255,0.15); margin-bottom: 10px; }
.sidebar .brand .lockup { display:flex; align-items:center; gap:9px; }
.sidebar .brand .lockup img { height:30px; width:auto; flex-shrink:0; }
.sidebar .brand .product-name { font-size:17px; font-weight:700; color:#fff; letter-spacing:.01em; }
.sidebar .brand .by-line { font-size:10.5px; color:#8fa8ba; margin-top:1px; }
.sidebar .brand .engagement-block { margin-top:12px; padding-top:10px; border-top:1px dashed rgba(255,255,255,0.15); }
.sidebar .brand .engagement-block .client { display:block; font-size:13px; font-weight:600; color:#fff; }
.sidebar .brand .engagement-block .ref { display:block; font-size:11px; color:#cbd8e2; margin-top:1px; }
.sidebar .brand .switch-link { display:inline-block; margin-top:6px; font-size:11px; color:var(--accent); }
.sidebar .brand span { display:block; font-size: 11px; color: #cbd8e2; margin-top:2px; }
.nav-link { display: block; padding: 9px 18px; color: #dbe6ee; font-size: 13.5px; border-left: 3px solid transparent; }
.nav-link:hover { background: rgba(255,255,255,0.08); text-decoration:none; color:#fff; }
.nav-link.active { background: rgba(255,255,255,0.14); border-left-color: var(--accent); color:#fff; font-weight:600; }
.nav-section { padding: 14px 18px 4px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: #8fa8ba; }

.main { flex: 1; padding: 22px 28px; max-width: 1400px; }
.topbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:18px; }
.topbar h1 { font-size: 20px; margin: 0; color: var(--brand); }
.topbar .sub { color: var(--muted); font-size: 12.5px; margin-top:2px; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 18px; margin-bottom: 18px; }
.panel h2 { margin-top:0; font-size: 15px; color: var(--brand); border-bottom:1px solid var(--border); padding-bottom:8px; }
.panel h3 { font-size: 13.5px; color: var(--brand-light); }

.grid { display:grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2,1fr);} .grid-3 { grid-template-columns: repeat(2,1fr);} }

.stat { background: var(--panel); border:1px solid var(--border); border-radius:8px; padding:14px 16px; }
.stat .n { font-size: 26px; font-weight:700; color: var(--brand); }
.stat .l { font-size: 11.5px; color: var(--muted); text-transform:uppercase; letter-spacing:.04em; margin-top:2px;}
.stat.crit .n { color:#7a1f1f; }
.stat.high .n { color:#b3261e; }
.stat.med .n { color:#b3790b; }
.stat.low .n { color:#1a6b3c; }

table { width:100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align:left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #f8fafb; color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: #fbfcfd; }

.badge { display:inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight:600; white-space:nowrap; }
.badge-grey { background:#e9edf1; color:#5b6572; }
.badge-green { background:#e1f3e8; color:#1a6b3c; }
.badge-amber { background:#fdf0d9; color:#8a5a00; }
.badge-red { background:#fbe4e2; color:#b3261e; }
.badge-crit { background:#f4d3d3; color:#7a1f1f; }
.badge-blue { background:#e3edf7; color:#245a8a; }

.progress { background:#e9edf1; border-radius:20px; height:8px; overflow:hidden; }
.progress > div { background: linear-gradient(90deg, var(--brand-light), var(--accent)); height:100%; }

.btn { display:inline-block; background: var(--brand); color:#fff; border:none; padding: 7px 14px; border-radius:5px; font-size:13px; cursor:pointer; }
.btn:hover { background: var(--brand-light); text-decoration:none; color:#fff; }
.btn.secondary { background:#fff; color: var(--brand); border:1px solid var(--brand); }
.btn.danger { background:#b3261e; }
.btn.small { padding:4px 9px; font-size:11.5px; }

input[type=text], input[type=date], input[type=number], select, textarea {
    width:100%; padding:6px 8px; border:1px solid #cfd6dd; border-radius:5px; font-size:13px; font-family:inherit; background:#fff;
}
textarea { resize: vertical; }
label { display:block; font-size: 11.5px; text-transform:uppercase; letter-spacing:.03em; color: var(--muted); margin-bottom:3px; margin-top:10px; }
form .row { display:flex; gap:12px; }
form .row > div { flex:1; }

.tag-nav { display:flex; flex-wrap:wrap; gap:6px; margin-bottom: 14px; }
.tag-nav a { padding:5px 12px; border-radius:20px; background:#eef1f4; color: var(--text); font-size:12.5px; }
.tag-nav a.active { background: var(--brand); color:#fff; }

.domain-card { display:block; background:#fff; border:1px solid var(--border); border-radius:8px; padding:14px; }
.domain-card:hover { border-color: var(--brand-light); text-decoration:none; }
.domain-card .code { font-size:11px; color:var(--muted); text-transform:uppercase; }
.domain-card .name { font-size:14px; font-weight:600; color:var(--text); margin: 3px 0 8px; }

.pill-loc { font-size:10.5px; padding:1px 7px; border-radius:10px; background:#eef1f4; color:#555; margin-left:6px; }

.print-only { display:none; }
@media print {
    .sidebar, .topbar .actions, .no-print { display:none !important; }
    .main { padding:0; max-width:none; }
    .panel { border:none; padding:0; margin-bottom:22px; page-break-inside:avoid; }
    body { font-size:12px; }
    .print-only { display:block; }
    a { color:inherit; text-decoration:none; }
}

.roadmap-track { display:flex; gap:10px; overflow-x:auto; padding-bottom:6px; }
.roadmap-col { min-width:230px; background:#f8fafb; border:1px solid var(--border); border-radius:8px; padding:10px; }
.roadmap-col h4 { margin:0 0 8px; font-size:12.5px; }
.roadmap-item { background:#fff; border:1px solid var(--border); border-radius:6px; padding:8px; margin-bottom:8px; font-size:12.5px; }
.roadmap-item .t { font-weight:600; margin-bottom:4px; }
.roadmap-item .meta { color:var(--muted); font-size:11px; }

body.modal-open { overflow: hidden; }
.modal-overlay { position:fixed; inset:0; background:rgba(9,35,60,0.55); display:flex; align-items:flex-start; justify-content:center; padding:5vh 16px; z-index:1000; overflow-y:auto; }
.modal-overlay[hidden] { display:none; }
.modal { background:#fff; border-radius:10px; width:100%; max-width:560px; padding:22px; box-shadow:0 20px 60px rgba(0,0,0,0.3); }
.modal.modal-wide { max-width:760px; }
.modal-head { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:14px; }
.modal-head h2 { margin:0; font-size:16px; color:var(--brand); border:none; padding:0; }
.modal-head p { margin:4px 0 0; }
.modal-close { background:none; border:none; font-size:20px; line-height:1; color:var(--muted); cursor:pointer; padding:0 0 0 12px; }
.modal-close:hover { color:var(--text); }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.mt0 { margin-top:0; }
.flex-between { display:flex; justify-content:space-between; align-items:center; }
.cover { text-align:center; padding: 60px 20px; }
.cover h1 { font-size: 26px; color: var(--brand); margin-bottom: 6px; }
.cover .ref { color: var(--muted); }

/* Mobile / field-use mode — this is a tool used walking through server rooms
   and wiring closets on a phone or tablet, not just at a desk. */
.mobile-nav-toggle { display:none; }
@media (max-width: 860px) {
    .app { flex-direction: column; }
    .sidebar { width:100%; padding:10px 0; }
    .sidebar .brand { display:flex; align-items:center; justify-content:space-between; padding:0 14px 10px; }
    .sidebar .brand .engagement-block { display:none; }
    .mobile-nav-toggle {
        display:block; background:rgba(255,255,255,0.12); color:#fff; border:1px solid rgba(255,255,255,0.3);
        border-radius:6px; padding:6px 12px; font-size:13px; cursor:pointer;
    }
    .sidebar .nav-section, .sidebar .nav-link, .sidebar > div:last-child { display:none; }
    .sidebar.nav-open .nav-section, .sidebar.nav-open .nav-link, .sidebar.nav-open > div:last-child { display:block; }
    .sidebar.nav-open .brand .engagement-block { display:block; }
    .main { padding: 14px; max-width:none; }
    .topbar { flex-wrap:wrap; gap:10px; }
    .topbar .actions { width:100%; display:flex; flex-wrap:wrap; gap:8px; }
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .panel { padding:12px; overflow-x:auto; }
    .modal { padding:16px; max-width:none; width:100%; margin:0; border-radius:8px; }
    .modal-overlay { padding:0; align-items:stretch; }
    form .row { flex-direction:column; gap:0; }
    .roadmap-track { gap:8px; }
    .roadmap-col { min-width:200px; }
}