:root {
  --tableau-blue: #1F4E79;
  --tableau-light-blue: #4E79A7;
  --tableau-orange: #F28E2B;
  --tableau-red: #E15759;
  --tableau-teal: #76B7B2;
  --tableau-green: #59A14F;
  --bg: #F4F4F4;
  --card-bg: #FFFFFF;
  --text: #2A2A2A;
  --muted: #707070;
  --border: #E0E0E0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}

/* ── Top navigation ── */
.topnav {
  background: var(--tableau-blue);
  color: white;
  padding: 12px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.topnav .brand { font-weight: 600; font-size: 15px; letter-spacing: 0.2px; }
.topnav .brand a { color: white; text-decoration: none; }
.topnav .links a {
  color: white; text-decoration: none; margin-left: 24px;
  font-size: 13px; opacity: 0.78; padding-bottom: 4px;
  border-bottom: 2px solid transparent; transition: opacity 0.15s, border 0.15s;
}
.topnav .links a:hover { opacity: 1; }
.topnav .links a.active { opacity: 1; border-bottom-color: white; }

.page-body { padding: 18px; max-width: 1360px; margin: 0 auto; }
.page-body.wide { max-width: 1520px; padding: 12px 8px; }
.page-body.wide .dashboard { max-width: 1500px; }
.page-body.wide .dashboard-body { padding: 16px 12px; }
.section { margin-bottom: 28px; }

/* ── Hero (landing page) ── */
.hero {
  background: linear-gradient(135deg, var(--tableau-blue) 0%, var(--tableau-light-blue) 100%);
  color: white;
  padding: 52px 40px;
  border-radius: 4px;
  margin-bottom: 24px;
}
.hero h1 { font-size: 32px; font-weight: 600; margin-bottom: 12px; }
.hero .tagline { font-size: 16px; opacity: 0.9; max-width: 760px; line-height: 1.55; }
.hero .metric-callout {
  margin-top: 24px; padding: 16px 20px;
  background: rgba(255,255,255,0.12); border-radius: 4px;
  display: inline-block;
}
.hero .metric-callout .num { font-size: 36px; font-weight: 600; }
.hero .metric-callout .label { font-size: 13px; opacity: 0.85; }
.hero .cta-row { margin-top: 24px; display: flex; gap: 10px; flex-wrap: wrap; }
.hero .cta {
  padding: 9px 18px; background: white; color: var(--tableau-blue);
  text-decoration: none; border-radius: 3px; font-weight: 600; font-size: 13px;
}
.hero .cta.secondary {
  background: transparent; color: white; border: 1px solid rgba(255,255,255,0.5);
}

/* ── At-a-glance KPI grid ── */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px; margin-bottom: 24px;
}
.stat-card {
  background: white; border: 1px solid var(--border);
  border-left: 4px solid var(--tableau-light-blue);
  padding: 16px 18px; border-radius: 2px;
}
.stat-card .num { font-size: 28px; font-weight: 600; line-height: 1.1; }
.stat-card .label {
  font-size: 11px; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.4px; margin-top: 6px;
}

/* ── Architecture flow diagram ── */
.flow-diagram {
  background: white; border: 1px solid var(--border); border-radius: 2px;
  padding: 28px 24px; margin: 16px 0;
}
.flow-row {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; margin: 8px 0; flex-wrap: wrap;
}
.flow-step {
  background: var(--tableau-blue); color: white;
  padding: 10px 16px; border-radius: 3px;
  font-size: 12px; font-weight: 500; text-align: center;
  min-width: 130px;
}
.flow-step.muted { background: white; color: var(--text); border: 1px solid var(--border); }
.flow-step.accent { background: var(--tableau-orange); }
.flow-step .step-sub {
  display: block; font-size: 10px; opacity: 0.75; margin-top: 2px; font-weight: 400;
}
.flow-arrow { color: var(--muted); font-size: 16px; }

/* ── Featured dashboard preview on landing ── */
.featured-preview {
  background: white; border: 1px solid var(--border); border-radius: 2px;
  padding: 20px; margin-bottom: 24px;
}
.featured-preview h3 { font-size: 16px; margin-bottom: 12px; color: var(--tableau-blue); }
.featured-preview img {
  width: 100%; height: auto; border: 1px solid var(--border); border-radius: 2px;
}
.featured-preview .caption {
  font-size: 12px; color: var(--muted); margin-top: 8px;
  display: flex; justify-content: space-between; align-items: center;
}

/* ── Model cards (models.html) ── */
.model-card {
  background: white; border: 1px solid var(--border); border-radius: 2px;
  padding: 24px 28px; margin-bottom: 18px;
  border-left: 4px solid var(--tableau-light-blue);
}
.model-card.winner { border-left-color: var(--tableau-green); }
.model-card .header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.model-card .header h2 { font-size: 18px; font-weight: 600; color: var(--tableau-blue); }
.model-card .header .family {
  font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.4px;
}
.model-card .description { font-size: 13px; line-height: 1.55; margin-bottom: 14px; }
.model-card .grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 14px;
}
.model-card .grid h4 {
  font-size: 11px; color: var(--tableau-blue); text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 6px;
}
.model-card .grid ul { list-style: none; padding-left: 0; font-size: 12px; }
.model-card .grid li { padding: 3px 0; }
.model-card .grid li::before { content: "• "; color: var(--muted); }
.model-card .perf-table {
  width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 12px;
}
.model-card .perf-table th {
  background: #F8F8F8; padding: 6px 10px; font-weight: 600; text-align: center;
  border-bottom: 2px solid var(--tableau-blue);
}
.model-card .perf-table td {
  padding: 6px 10px; text-align: center;
  border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums;
}
.model-card .perf-table td.best { background: #E8F4F8; font-weight: 600; }

/* ── Dashboards gallery ── */
.gallery {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 18px;
}
.gallery-card {
  background: white; border: 1px solid var(--border); border-radius: 2px;
  text-decoration: none; color: inherit; display: block;
  transition: transform 0.15s, box-shadow 0.15s;
}
.gallery-card:hover {
  transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.gallery-card img {
  width: 100%; height: 220px; object-fit: cover; object-position: top;
  border-bottom: 1px solid var(--border);
}
.gallery-card .meta { padding: 14px 18px; }
.gallery-card .meta h3 { font-size: 15px; color: var(--tableau-blue); margin-bottom: 4px; }
.gallery-card .meta .audience {
  font-size: 11px; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.3px; margin-bottom: 8px;
}
.gallery-card .meta p { font-size: 12px; line-height: 1.5; }

/* ── Page intro ── */
.page-intro {
  margin-bottom: 22px;
}
.page-intro h1 {
  font-size: 26px; font-weight: 600; color: var(--tableau-blue);
  margin-bottom: 6px;
}
.page-intro p { font-size: 14px; color: var(--text); max-width: 880px; }

/* ── Tableau Public embed frame ── */
.tableau-frame {
  background: white; border: 1px solid var(--border); border-radius: 2px;
  padding: 16px;
  overflow-x: auto;          /* horizontal scroll OUTSIDE the embed if needed */
  overflow-y: visible;       /* never clip vertically */
}
.tableau-frame .tableauPlaceholder {
  width: 1400px;             /* match the workbook's authored size */
  margin: 0 auto;
}
.tableau-caption {
  font-size: 11px; color: var(--muted); margin-top: 12px; text-align: center;
}
.tableau-caption a { color: var(--tableau-light-blue); text-decoration: none; }
.tableau-caption a:hover { text-decoration: underline; }

/* ── Existing dashboard styles (legacy, embedded inside page) ── */
.dashboard {
  max-width: 1360px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.dashboard-header {
  background: var(--tableau-blue);
  color: white;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dashboard-header h1 { font-size: 20px; font-weight: 600; }
.dashboard-header .subtitle { font-size: 13px; opacity: 0.85; }
.dashboard-header .meta { font-size: 12px; opacity: 0.85; text-align: right; }
.dashboard-body { padding: 22px 24px; }
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.kpi-row.tight { grid-template-columns: repeat(8, 1fr); gap: 8px; }
.kpi-card {
  background: white;
  border: 1px solid #E0E0E0;
  border-left: 4px solid var(--tableau-light-blue);
  padding: 12px 14px;
  border-radius: 2px;
}
.kpi-card.alert { border-left-color: var(--tableau-red); background: #FDF1F0; }
.kpi-card.good  { border-left-color: var(--tableau-green); }
.kpi-card.warn  { border-left-color: var(--tableau-orange); }
.kpi-card .label {
  font-size: 10px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 4px;
}
.kpi-card .value { font-size: 26px; font-weight: 600; line-height: 1.1; }
.kpi-card .sublabel { font-size: 11px; color: var(--muted); margin-top: 3px; }
.chart-container { margin-bottom: 20px; }
.section-title {
  font-size: 12px; font-weight: 600; color: var(--tableau-blue);
  text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 8px; padding-bottom: 4px;
  border-bottom: 2px solid var(--tableau-light-blue);
}
table.data-table {
  width: 100%; border-collapse: collapse; font-size: 12px;
}
table.data-table th {
  background: #F4F4F4; text-align: left; padding: 8px;
  font-weight: 600; border-bottom: 2px solid var(--tableau-blue);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.3px;
}
table.data-table td { padding: 7px 8px; border-bottom: 1px solid #EEE; }
table.data-table tr.alert td { background: #FDF1F0; }
table.data-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 600;
}
.badge.red { background: var(--tableau-red); color: white; }
.badge.green { background: var(--tableau-green); color: white; }
.badge.orange { background: var(--tableau-orange); color: white; }
.split-row { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.gauge {
  height: 28px; background: #EEE; border-radius: 3px;
  position: relative; overflow: hidden;
}
.gauge .fill {
  height: 100%; background: var(--tableau-light-blue);
  border-radius: 3px;
}
.gauge .fill.alert { background: var(--tableau-red); }
.gauge .fill.warn  { background: var(--tableau-orange); }
.gauge .fill.good  { background: var(--tableau-green); }
.gauge-label {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: white;
  text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}
.footer-note {
  font-size: 10px; color: var(--muted); padding: 6px 24px 12px;
  text-align: right;
}

/* ── Tests page ── */
.tests-summary {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.tests-summary .card {
  background: white; border: 1px solid var(--border);
  border-left: 4px solid var(--tableau-green);
  padding: 14px 16px; border-radius: 2px;
}
.tests-summary .card.muted { border-left-color: var(--tableau-light-blue); }
.tests-summary .card.warn { border-left-color: var(--tableau-orange); }
.tests-summary .card .num { font-size: 24px; font-weight: 600; line-height: 1.1; }
.tests-summary .card .label {
  font-size: 11px; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.4px; margin-top: 4px;
}
.tests-summary .card .sub { font-size: 11px; color: var(--muted); margin-top: 4px; }

.test-class-card {
  background: white; border: 1px solid var(--border); border-radius: 2px;
  padding: 18px 22px; margin-bottom: 14px;
  border-left: 4px solid var(--tableau-light-blue);
}
.test-class-card.requires-data { border-left-color: var(--tableau-orange); }
.test-class-card .header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 4px; flex-wrap: wrap; gap: 8px;
}
.test-class-card .header h3 {
  font-size: 15px; color: var(--tableau-blue); font-weight: 600;
}
.test-class-card .header .meta {
  font-size: 11px; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.3px;
}
.test-class-card .blurb {
  font-size: 12px; color: var(--muted); margin-bottom: 12px; line-height: 1.5;
}
.test-table {
  width: 100%; border-collapse: collapse; font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.test-table th {
  background: #F8F8F8; padding: 6px 10px; font-weight: 600; text-align: left;
  border-bottom: 2px solid var(--tableau-blue); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.3px;
}
.test-table td {
  padding: 6px 10px; border-bottom: 1px solid var(--border); vertical-align: top;
}
.test-table td.test-name { font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace; font-size: 11.5px; }
.test-table td.duration { text-align: right; color: var(--muted); white-space: nowrap; }
.status-pill {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.3px;
  text-transform: uppercase;
}
.status-pill.pass { background: var(--tableau-green); color: white; }
.status-pill.fail { background: var(--tableau-red); color: white; }
.status-pill.skip { background: var(--muted); color: white; }
.ci-badges { margin: 12px 0 4px; display: flex; gap: 10px; flex-wrap: wrap; }
.ci-badges img { height: 20px; }