:root {
  color-scheme: dark;
  --bg: #080c0f;
  --panel: #0e1519;
  --panel-raised: #121b20;
  --line: #253139;
  --line-soft: #1b252b;
  --text: #edf3f4;
  --muted: #84939b;
  --accent: #b7e43a;
  --accent-dim: #293717;
  --warning: #e5bb53;
  --error: #ef776f;
  --verified: #79b9ad;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); }
button, input { font: inherit; }
button { cursor: pointer; }

.topbar {
  min-height: 76px;
  padding: 15px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0a0f12;
}
.wordmark { font-size: 1.05rem; font-weight: 800; letter-spacing: .18em; }
.wordmark span { color: var(--accent); }
.product-line { margin-top: 4px; color: var(--muted); font-size: .67rem; letter-spacing: .12em; text-transform: uppercase; }
nav { display: flex; gap: 24px; align-items: center; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--accent); }
nav form { margin: 0; }
.nav-active { color: var(--text) !important; }
.operator-name { color: var(--muted); font-size: .7rem; text-transform: none; letter-spacing: .02em; }
.button-quiet { color: var(--muted); background: transparent; border: 0; padding: 8px 0; text-transform: uppercase; letter-spacing: .08em; }
.button-quiet:hover, .button-quiet:focus-visible { color: var(--accent); }

.dashboard-shell { width: min(1480px, 100%); margin: 0 auto; padding: 42px clamp(18px, 4vw, 64px) 60px; }
.page-heading, .panel-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; }
.page-heading { margin-bottom: 24px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 570; letter-spacing: -.03em; }
h2 { margin-bottom: 0; font-size: 1rem; font-weight: 600; }
.eyebrow { margin-bottom: 9px; color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .65rem; letter-spacing: .12em; }
.muted, .sample, .row-count { color: var(--muted); }
.sample, .row-count { margin: 0; font-size: .76rem; font-variant-numeric: tabular-nums; }

.quality { display: inline-flex; border: 1px solid; border-radius: 999px; padding: 5px 9px; font-size: .68rem; font-weight: 650; letter-spacing: .04em; }
.quality-verified { color: var(--verified); border-color: #31534f; background: #102421; }
.quality-estimated { color: var(--warning); border-color: #5a4825; background: #251f11; }
.quality-small { padding: 3px 7px; font-size: .62rem; }

.state { margin: 0 0 18px; padding: 14px 16px; border: 1px solid var(--line); border-left-width: 3px; border-radius: var(--radius); background: var(--panel); display: flex; gap: 10px 18px; flex-wrap: wrap; font-size: .82rem; }
.state span { color: var(--muted); }
.state-warning { border-left-color: var(--warning); }
.state-error { border-left-color: var(--error); }
.state-empty { border-left-color: var(--line); margin: 0; }

.metric-grid { display: grid; grid-template-columns: 1.35fr repeat(3, 1fr); gap: 12px; margin-bottom: 12px; }
.metric-card { min-height: 145px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel-raised); display: flex; flex-direction: column; justify-content: space-between; }
.metric-primary { border-top-color: var(--accent); }
.metric-value { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: clamp(2.25rem, 4.5vw, 3.8rem); font-weight: 520; letter-spacing: -.07em; line-height: 1; font-variant-numeric: tabular-nums; }
.metric-value small { color: var(--muted); font-size: .3em; letter-spacing: .05em; }
.metric-card h2 { color: var(--muted); font-size: .73rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; }

.panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.panel-heading { padding: 18px 20px; border-bottom: 1px solid var(--line); }
.recommendation-panel { margin-bottom: 12px; border-top-color: var(--accent); }
.recommendation-note { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .68rem; }
.recommendation-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.recommendation-item { min-width: 0; padding: 22px 20px; }
.recommendation-item + .recommendation-item { border-left: 1px solid var(--line-soft); }
.recommendation-item h3 { margin: 0; font-size: clamp(1.15rem, 2vw, 1.55rem); font-weight: 570; }
.recommendation-facts, .recommendation-rates { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 18px; color: var(--muted); font-size: .72rem; }
.recommendation-facts strong, .recommendation-rates strong { color: var(--text); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-variant-numeric: tabular-nums; }
.recommendation-rates { padding-top: 13px; border-top: 1px solid var(--line-soft); }
.recommendation-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 16px; color: var(--muted); font-size: .68rem; }
.recommendation-reason { margin: 14px 0 0; color: var(--muted); font-size: .7rem; line-height: 1.55; }
.recommendation-disclaimer { margin: 0; padding: 15px 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; line-height: 1.5; }
.rate-panel { margin-bottom: 28px; }
.rate-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.rate-grid > div { padding: 22px 20px; border-right: 1px solid var(--line-soft); display: grid; grid-template-columns: auto 1fr; align-items: baseline; }
.rate-grid > div:last-child { border-right: 0; }
.rate-grid strong { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 520; font-variant-numeric: tabular-nums; }
.rate-grid span { margin-left: 7px; color: var(--muted); font-size: .72rem; }
.rate-grid label { grid-column: 1 / -1; margin-top: 6px; color: var(--muted); font-size: .72rem; }

.data-panel { margin-top: 14px; overflow: hidden; }
.table-scroll { overflow-x: auto; }
table { width: 100%; min-width: 920px; border-collapse: collapse; font-size: .78rem; }
th, td { padding: 13px 15px; border-bottom: 1px solid var(--line-soft); text-align: left; white-space: nowrap; }
thead th { color: var(--muted); background: #0b1216; font-size: .63rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
thead small, td small { color: var(--muted); font-size: .85em; text-transform: none; }
tbody th { font-weight: 550; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #111a1f; }
.numeric { text-align: right; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-variant-numeric: tabular-nums; }
.entity-main, .entity-meta { display: block; }
.entity-meta { margin-top: 3px; color: var(--muted); font-size: .68rem; font-weight: 400; }
.dataset-footer { padding: 20px 2px 0; display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: .7rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.session-link, .back-link { color: var(--text); text-decoration-color: var(--line); text-underline-offset: 3px; }
.session-link:hover, .session-link:focus-visible, .back-link:hover, .back-link:focus-visible { color: var(--accent); }
.back-link { display: inline-block; margin-bottom: 22px; color: var(--muted); font-size: .75rem; }
.environment-panel { margin-top: 14px; }
.coverage-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.coverage-grid span { padding: 20px; border-right: 1px solid var(--line-soft); color: var(--muted); font-size: .72rem; }
.coverage-grid span:last-child { border-right: 0; }
.coverage-grid strong { display: block; margin-top: 5px; color: var(--text); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.3rem; }

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; background-image: linear-gradient(rgba(183,228,58,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(183,228,58,.018) 1px, transparent 1px); background-size: 32px 32px; }
.login-panel { width: min(420px, 100%); padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.instrument-rule { width: 44px; height: 2px; margin: 28px 0; background: var(--accent); }
.login-panel h1 { font-size: 1.6rem; }
.login-panel .muted { margin: 10px 0 24px; font-size: .82rem; line-height: 1.55; }
.login-panel .state { margin-bottom: 18px; }
.login-form { display: grid; gap: 10px; }
.login-form label { color: var(--muted); font-size: .72rem; letter-spacing: .04em; }
.login-form input { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 5px; outline: none; background: #080d10; color: var(--text); }
.login-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-dim); }
.login-form button { margin-top: 8px; padding: 12px 16px; border: 1px solid var(--accent); border-radius: 5px; background: var(--accent); color: #111807; font-weight: 700; }
.login-form button:hover { background: #c5ef51; }

@media (max-width: 900px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .rate-grid { grid-template-columns: repeat(2, 1fr); }
  .rate-grid > div { border-bottom: 1px solid var(--line-soft); }
  .rate-grid > div:nth-child(2n) { border-right: 0; }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .topbar { min-height: 66px; }
  nav { gap: 12px; }
  .operator-name { display: none; }
  .dashboard-shell { padding-top: 28px; }
  .page-heading { align-items: flex-start; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric-card { min-height: 116px; padding: 17px; }
  .metric-value { font-size: 2.05rem; }
  .rate-grid { grid-template-columns: 1fr; }
  .rate-grid > div { border-right: 0; }
  .sample { display: none; }
  .dataset-footer { flex-direction: column; }
  .login-panel { padding: 26px; }
  .recommendation-grid { grid-template-columns: 1fr; }
  .recommendation-item + .recommendation-item { border-left: 0; border-top: 1px solid var(--line-soft); }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }