:root {
  --bg: #f2f3ef;
  --surface: #fbfcf8;
  --surface-2: #eef4f5;
  --ink: #172024;
  --muted: #5d6b70;
  --line: rgba(23, 32, 36, 0.16);
  --accent: #245e68;
  --accent-2: #7b4e2f;
  --good: #276749;
  --bad: #9b2c2c;
  --pending: #7b5b18;
  --shadow: 0 12px 34px rgba(23, 32, 36, 0.08);
  --font-body: "Avenir Next", "Segoe UI", Arial, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}

button,
select {
  font: inherit;
}

.app-shell {
  width: min(1480px, calc(100% - 24px));
  margin: 0 auto;
  padding: 14px 0 32px;
}

.topbar,
.surface {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 16px;
  margin-bottom: 12px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
}

h2 {
  margin-bottom: 4px;
  font-size: 1rem;
}

h3 {
  margin-bottom: 6px;
  font-size: 0.94rem;
}

p {
  color: var(--muted);
  font-size: 0.88rem;
}

.ux-nav,
.board-tabs,
.sort-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ux-nav a,
.board-tabs button,
.sort-controls button,
.entry-button {
  min-height: 36px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}

.ux-nav a {
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
}

.ux-nav a.is-active,
.board-tabs button.is-active,
.sort-controls button.is-active {
  background: var(--accent);
  color: #ffffff;
}

.board-tabs button,
.sort-controls button {
  padding: 0 11px;
  font-weight: 800;
}

.leaderboard-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(340px, 0.9fr);
  grid-template-areas:
    "controls controls"
    "board detail";
  gap: 12px;
}

.surface {
  padding: 14px;
}

.control-strip {
  grid-area: controls;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
}

.board-panel {
  grid-area: board;
}

.detail-panel {
  grid-area: detail;
  align-self: start;
  position: sticky;
  top: 12px;
}

.board-header,
.detail-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
  margin-bottom: 12px;
}

.leaderboard-table {
  display: grid;
  gap: 8px;
}

.table-heading,
.entry-button {
  display: grid;
  grid-template-columns: 50px minmax(210px, 1.5fr) repeat(4, minmax(100px, 0.8fr));
  gap: 10px;
  align-items: center;
}

.table-heading {
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  padding: 0 10px 8px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.entry-button {
  width: 100%;
  padding: 10px;
  text-align: left;
}

.entry-button.is-selected {
  border-color: var(--accent);
  background: var(--surface-2);
}

.rank {
  font-size: 1.18rem;
  font-weight: 900;
}

.identity strong,
.metric strong {
  display: block;
  color: var(--ink);
  font-size: 0.95rem;
}

.identity span,
.metric span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.25;
}

.metric.is-good strong {
  color: var(--good);
}

.metric.is-bad strong {
  color: var(--bad);
}

.metric.is-pending strong {
  color: var(--pending);
}

.status-badge,
.pill {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
  padding: 0 8px;
  font-size: 0.74rem;
  font-weight: 800;
}

.status-badge.is-live,
.pill.is-live {
  border-color: rgba(39, 103, 73, 0.35);
  color: var(--good);
}

.status-badge.is-checkpoint,
.pill.is-checkpoint {
  border-color: rgba(123, 91, 24, 0.35);
  color: var(--pending);
}

.detail-body {
  display: grid;
  gap: 10px;
}

.detail-section {
  border: 1px solid var(--line);
  background: #ffffff;
  padding: 10px;
}

.detail-section h3 {
  margin-bottom: 8px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.detail-metric {
  border-left: 3px solid var(--accent);
  background: #f7f9f4;
  padding: 8px;
}

.detail-metric strong {
  display: block;
}

.detail-metric span {
  color: var(--muted);
  font-size: 0.78rem;
}

.action-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.action-list li {
  border-left: 3px solid var(--accent-2);
  background: #f7f9f4;
  padding: 7px 8px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.bar-list {
  display: grid;
  gap: 8px;
}

.bar-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 52px;
  gap: 8px;
  align-items: center;
  font-size: 0.78rem;
  color: var(--muted);
}

.bar-track {
  height: 10px;
  border: 1px solid rgba(23, 32, 36, 0.12);
  background: #eef4f5;
}

.bar-fill {
  height: 100%;
  background: var(--accent);
}

.fidelity-path {
  width: 100%;
  height: 170px;
  border: 1px solid var(--line);
  background: #ffffff;
}

@media (max-width: 1040px) {
  .leaderboard-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "controls"
      "board"
      "detail";
  }

  .detail-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .topbar,
  .control-strip,
  .board-header,
  .detail-header {
    display: grid;
  }

  .table-heading {
    display: none;
  }

  .entry-button {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .entry-button .metric {
    grid-column: 2;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}