/* TwinVision demo — shared chrome */
:root {
  --bg:        #f5f7fa;
  --panel:     #ffffff;
  --sidebar:   #0f1b2e;
  --sidebar-2: #15263f;
  --ink:       #1a2332;
  --muted:     #6b7785;
  --line:      #e3e7ee;
  --accent:    #1a4ea0;
  --accent-2:  #2c6bd1;
  --good:      #2e9461;
  --warn:      #d97706;
  --bad:       #c0392b;
  --shadow:    0 1px 3px rgba(15,27,46,0.06), 0 4px 14px rgba(15,27,46,0.04);
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               system-ui, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── App shell ────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: linear-gradient(180deg, var(--sidebar) 0%, var(--sidebar-2) 100%);
  color: #d6deeb;
  padding: 22px 16px;
  position: sticky; top: 0;
  height: 100vh;
  overflow: auto;
}
.sidebar .brand {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 19px; font-weight: 600; letter-spacing: 0.3px;
  color: #fff;
  padding: 4px 6px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 14px;
}
.sidebar .brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent-2);
  display: inline-block;
}
.sidebar .brand small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: #8aa0bf;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.sidebar .group-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #6b7e9a;
  padding: 14px 6px 6px;
}
.sidebar a.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 10px;
  color: #d6deeb;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 2px;
}
.sidebar a.nav-item:hover {
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}
.sidebar a.nav-item.active {
  background: rgba(44,107,209,0.18);
  color: #fff;
  border-left: 2px solid var(--accent-2);
  padding-left: 8px;
}
.sidebar a.nav-item.disabled {
  color: #6b7e9a; cursor: not-allowed;
}
.sidebar a.nav-item.disabled:hover { background: transparent; }
.sidebar .nav-icon {
  display: inline-flex;
  width: 18px; height: 18px;
  align-items: center; justify-content: center;
  font-size: 13px;
  color: #8aa0bf;
}
.sidebar .nav-item.active .nav-icon { color: var(--accent-2); }
.sidebar .pill {
  margin-left: auto;
  font-size: 11px;
  color: #8aa0bf;
  background: rgba(255,255,255,0.05);
  padding: 2px 7px;
  border-radius: 8px;
}
.sidebar .footer {
  position: absolute; bottom: 16px; left: 16px; right: 16px;
  font-size: 11px;
  color: #6b7e9a;
  letter-spacing: 0.4px;
}

/* ── Main column ──────────────────────────────────────────── */
.main {
  padding: 0;
  display: flex;
  flex-direction: column;
  min-width: 0;  /* allow internal grids to shrink */
}
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.topbar h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}
.topbar .crumb { color: var(--muted); font-weight: 400; }
.topbar .spacer { flex: 1; }
.topbar .badge {
  font-size: 13px;
  background: #eef3fb;
  color: var(--accent);
  padding: 4px 10px; border-radius: 10px;
  border: 1px solid #d8e3f4;
}

.container {
  padding: 22px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  overflow: hidden;
}
.card .card-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: #fafbfd;
}
.card .card-head h2 {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--ink);
}
.card .card-head .desc {
  font-size: 14px;
  color: var(--muted);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.card .card-body { padding: 16px 18px; }
.card .card-body.flush { padding: 0; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  font: inherit;
  padding: 7px 14px;
  border-radius: 4px;
  border: 1px solid #c8d0db;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { background: #f3f6fa; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-2); }
.btn.active   { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.ghost    { background: transparent; }
.btn-row { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Tables ──────────────────────────────────────────────── */
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.data th, table.data td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
table.data th {
  font-weight: 600;
  background: #fafbfd;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.4px;
}
table.data tr:last-child td { border-bottom: 0; }
table.data tr:hover td { background: #f6f9fd; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ── Stat tiles ──────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
}
.stat .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--muted);
  margin-bottom: 6px;
}
.stat .value {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat .sub {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Tags ────────────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 8px;
  font-weight: 500;
}
.tag.ok   { background: #e6f4ed; color: var(--good); }
.tag.warn { background: #fef3e3; color: var(--warn); }
.tag.bad  { background: #fbeae7; color: var(--bad); }
.tag.muted{ background: #eef1f5; color: var(--muted); }

/* ── Hero (home) ─────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
.hero .pitch h1 {
  font-size: 28px;
  margin: 4px 0 6px;
  letter-spacing: -0.4px;
}
.hero .pitch p {
  color: var(--muted);
  margin: 0 0 18px;
  font-size: 14px;
}
.demo-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.demo-card .thumb {
  aspect-ratio: 16/10;
  background: #0f1b2e center/cover no-repeat;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.demo-card .thumb .label {
  position: absolute; top: 10px; left: 10px;
  font-size: 10px;
  background: rgba(15,27,46,0.85);
  color: #fff;
  padding: 3px 7px; border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.demo-card .body { padding: 14px 16px; flex: 1; display: flex; flex-direction: column; }
.demo-card h3 { margin: 0 0 4px; font-size: 15px; }
.demo-card p  { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.demo-card .actions { margin-top: auto; display: flex; gap: 8px; }
.demo-card.disabled { opacity: 0.7; }

/* ── Video hero (used on dummy vertical pages) ───────────────── */
.video-hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 7;
  background: #0f1b2e;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.video-hero video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.video-hero .badge-row {
  position: absolute; top: 14px; left: 14px;
  display: flex; gap: 6px; flex-wrap: wrap;
}
.video-hero .badge-row .badge {
  background: rgba(15,27,46,0.75);
  color: #fff;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border: 1px solid rgba(255,255,255,0.15);
}
.video-hero .caption {
  position: absolute; bottom: 16px; left: 18px; right: 18px;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.55);
}
.video-hero .caption h2 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 600;
}
.video-hero .caption p {
  margin: 0;
  font-size: 13px;
  opacity: 0.92;
  max-width: 720px;
}
.video-hero .video-missing {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #8aa0bf;
  font-size: 13px;
  text-align: center;
  padding: 22px;
}

/* Two-column analytics row */
.col-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}
@media (max-width: 1100px) {
  .col-2 { grid-template-columns: 1fr; }
}
.col-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}
@media (max-width: 1100px) {
  .col-3 { grid-template-columns: 1fr; }
}

/* mini bar / line — pure SVG */
svg.mini { display: block; width: 100%; height: 180px; }
.note {
  font-size: 11px;
  color: var(--muted);
  margin: 8px 16px 14px;
  padding: 8px 10px;
  background: #fafbfd;
  border: 1px dashed #d8dee7;
  border-radius: 6px;
}

/* ── Info button + modal ─────────────────────────────────── */
.info-btn {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  margin-left: 8px;
  padding: 0;
  line-height: 1;
}
.info-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: #eef3fb;
}
.info-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 27, 46, 0.45);
  display: none;
  align-items: center; justify-content: center;
  z-index: 1000;
}
.info-modal-backdrop.open { display: flex; }
.info-modal {
  background: var(--panel);
  border-radius: 10px;
  max-width: 640px;
  width: calc(100% - 40px);
  max-height: 80vh;
  overflow: auto;
  box-shadow: 0 20px 60px rgba(15,27,46,0.25);
}
.info-modal .head {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.info-modal .head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}
.info-modal .head .close {
  margin-left: auto;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--muted);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.info-modal .head .close:hover { color: var(--ink); }
.info-modal .body {
  padding: 18px 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}
.info-modal .body h3 {
  margin: 18px 0 6px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--muted);
}
.info-modal .body h3:first-child { margin-top: 0; }
.info-modal .body p { margin: 0 0 8px; }
.info-modal .body ul { margin: 6px 0 12px 0; padding-left: 22px; }
.info-modal .body li { margin-bottom: 4px; }
.info-modal .body code {
  background: #fafbfd;
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}

/* ── Event feed rows (shared by parking_lot + fablab safety feeds) ─ */
.feed-row {
  display: grid;
  grid-template-columns: 70px 80px 1fr;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.feed-row:last-child { border-bottom: 0; }
.feed-row .t { color: var(--muted); font-variant-numeric: tabular-nums; }
.feed-row .sev {
  font-size: 10px; padding: 2px 6px; border-radius: 8px;
  text-transform: uppercase; letter-spacing: 0.4px;
  font-weight: 700;
  text-align: center; align-self: start;
}
.feed-row .sev.alert { background: #fbeae7; color: #c0392b; }
.feed-row .sev.warn  { background: #fef3e3; color: #d97706; }
.feed-row .sev.info  { background: #e6eefa; color: #1a4ea0; }
.feed-row .body { color: var(--ink); }
.feed-row .body .ctx { color: var(--muted); font-size: 11px; display: block; margin-top: 1px; }

/* Sparkline canvas under each .stat tile */
.stat .stat-spark {
  display: block;
  width: 100%;
  height: 36px;
  margin-top: 8px;
}

/* ── Worker Six-Sigma block (fab lab) ─────────────────────────── */
.worker-sigma-card {
  background: linear-gradient(180deg, #fafbfd 0%, #f5f7fa 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.worker-sigma-card .head {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 14px;
}
.worker-sigma-card h2 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--ink); margin: 0; font-weight: 700;
}
.worker-sigma-card .desc { font-size: 12px; color: var(--muted); }
.worker-sigma-summary {
  display: flex; align-items: baseline; gap: 18px;
  padding: 10px 14px; background: #fff; border: 1px solid var(--line);
  border-radius: 6px; margin-bottom: 14px;
}
.worker-sigma-summary .num {
  font-size: 36px; font-weight: 700; color: #16a34a;
  font-variant-numeric: tabular-nums; letter-spacing: -1px;
}
.worker-sigma-summary .sigma { font-size: 20px; color: #16a34a; font-weight: 600; }
.worker-sigma-summary .label { font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.5px; }
.worker-sigma-summary .blurb { color: var(--ink); font-size: 13px; line-height: 1.5; }
.worker-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
@media (max-width: 800px) { .worker-cards { grid-template-columns: 1fr; } }
.worker-card {
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 14px 16px;
}
.worker-card .head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.worker-card .swatch {
  width: 14px; height: 14px; border-radius: 50%;
  display: inline-block; flex: 0 0 auto;
}
.worker-card .name { font-weight: 600; font-size: 15px; color: var(--ink); }
.worker-card .role { font-size: 11px; color: var(--muted); margin-left: 4px; }
.worker-card .sigma-badge {
  margin-left: auto; font-size: 16px; font-weight: 700;
  font-variant-numeric: tabular-nums;
  padding: 4px 10px; border-radius: 12px;
}
.worker-card .sigma-badge.good { background: #e8f5ee; color: #16a34a; }
.worker-card .sigma-badge.warn { background: #fef3e3; color: #d97706; }
.worker-card .sigma-badge.bad  { background: #fbeae7; color: #c0392b; }
.worker-card .rows { display: flex; flex-direction: column; gap: 6px; }
.worker-card .row {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12px;
}
.worker-card .row .lbl { color: var(--muted); }
.worker-card .row .val { color: var(--ink); font-weight: 600;
  font-variant-numeric: tabular-nums; }
.worker-card .footer-tag {
  margin-top: 10px; padding: 6px 10px; border-radius: 4px;
  background: #f7f8fb; font-size: 11px; color: var(--muted);
}
.worker-card .footer-tag b { color: var(--ink); }
.illustrative-note {
  font-size: 11px; color: var(--muted); background: #fff8e1;
  border: 1px solid #f3d77c; padding: 6px 10px; border-radius: 4px;
  margin-top: 10px;
}

/* ── AI recommendations / opportunities cards ───────────────── */
.rec-row { display: flex; flex-direction: column; }
.rec-row .rec-item {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  align-items: start;
  font-size: 13px;
}
.rec-row .rec-item:last-child { border-bottom: 0; }
.rec-row .rec-item .ico {
  width: 22px; height: 22px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  background: #eef1f5; color: #1a4ea0;
}
.rec-row .rec-item .body { color: var(--ink); line-height: 1.5; }
.rec-row .rec-item .body .sub {
  display: block; color: var(--muted); font-size: 12px; margin-top: 2px;
}
.rec-row .rec-item .badge {
  font-size: 10px; padding: 3px 8px; border-radius: 12px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px;
  align-self: start;
}
.rec-row .rec-item .badge.high { background: #fbeae7; color: #c0392b; }
.rec-row .rec-item .badge.med  { background: #fef3e3; color: #d97706; }
.rec-row .rec-item .badge.low  { background: #e6eefa; color: #1a4ea0; }

/* Opportunities table */
.opp-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.opp-table th, .opp-table td {
  padding: 8px 14px; border-bottom: 1px solid var(--line);
  text-align: left;
}
.opp-table th {
  font-weight: 600; font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.4px;
  background: #fafbfd;
}
.opp-table tr:last-child td { border-bottom: 0; }
.opp-table .imp, .opp-table .eff {
  font-size: 10px; padding: 3px 8px; border-radius: 12px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px;
  display: inline-block;
}
.opp-table .imp.high { background: #fbeae7; color: #c0392b; }
.opp-table .imp.med  { background: #fef3e3; color: #d97706; }
.opp-table .imp.low  { background: #e6eefa; color: #1a4ea0; }
.opp-table .eff.high { background: #fbeae7; color: #c0392b; }
.opp-table .eff.med  { background: #fef3e3; color: #d97706; }
.opp-table .eff.low  { background: #e8f5ee; color: #16a34a; }