:root {
  --bg: #f8f8f8;
  --surface: #ffffff;
  --surface-soft: #fcfcfc;
  --ink: #333333;
  --muted: #6f6f6f;
  --border: #e2e2e2;
  --link: #267cb9;
  --link-dark: #1c5f8d;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  background: var(--bg);
}

a {
  color: var(--link);
}

a:hover,
a:focus-visible {
  color: var(--link-dark);
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 32px auto 48px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 40px;
}

.sidebar {
  align-self: start;
  position: sticky;
  top: 24px;
}

.eyebrow,
.section-label,
.summary-label,
.control-label {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: #222222;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.15;
}

h1 {
  margin-bottom: 16px;
  font-size: 42px;
}

h2 {
  margin-bottom: 10px;
  font-size: 28px;
}

.sidebar-lead,
.sidebar-block p,
.summary-note,
.panel-note,
.live-status,
.note-card p,
.hero-copy p,
.hero-figure figcaption {
  color: var(--muted);
}

.sidebar-block {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.sidebar-block h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

.plain-list {
  margin: 0;
  padding-left: 18px;
}

.plain-list li + li {
  margin-top: 8px;
}

.page-nav {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
}

.nav-link {
  display: inline-block;
  width: fit-content;
  color: var(--link);
  text-decoration: none;
}

.nav-link.is-active {
  color: #222222;
  font-weight: 700;
}

.content {
  min-width: 0;
}

.hero-panel,
.controls-panel,
.summary-card,
.table-panel,
.note-card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-panel,
.table-panel {
  padding: 24px;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: 24px;
  margin-bottom: 18px;
}

.hero-copy p {
  margin: 0;
}

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  border: 1px solid var(--border);
}

.hero-figure-history img {
  max-height: 280px;
  object-fit: cover;
}

.hero-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
}

.controls-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 18px 20px;
}

.control-group {
  display: grid;
  gap: 10px;
  align-content: start;
}

.segmented-control {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
}

.toggle-button,
.refresh-button,
input {
  font: inherit;
}

.toggle-button,
.refresh-button {
  appearance: none;
  border: 1px solid #d0d0d0;
  background: #fafafa;
  color: #333333;
  cursor: pointer;
}

.toggle-button {
  min-width: 86px;
  padding: 10px 14px;
}

.toggle-button.is-active {
  background: #e9eef2;
  border-color: #b9cddd;
  color: #1f3f57;
}

.refresh-button {
  padding: 10px 14px;
  width: fit-content;
}

.refresh-button[disabled] {
  cursor: progress;
  opacity: 0.7;
}

.link-button {
  display: inline-block;
  text-decoration: none;
}

.factor-row {
  display: grid;
  grid-template-columns: minmax(0, 110px) auto;
  gap: 10px;
  align-items: center;
}

.factor-row input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d0d0d0;
  background: #ffffff;
  color: #333333;
}

.select-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d0d0d0;
  background: #ffffff;
  color: #333333;
  font: inherit;
}

.input-suffix {
  color: var(--muted);
  font-size: 14px;
}

.live-status {
  margin: 12px 2px 20px;
  font-size: 14px;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -8px 0 20px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  box-shadow: var(--shadow);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.summary-grid {
  margin-bottom: 18px;
}

.controls-panel + .summary-grid {
  margin-top: 18px;
}

.notes-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.summary-card,
.note-card {
  padding: 18px 20px;
}

.summary-value {
  margin: 0 0 6px;
  color: #222222;
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1.15;
}

.summary-value-small {
  font-size: 22px;
}

.summary-note {
  margin: 0;
  font-size: 14px;
}

.panel-header {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.8fr);
  gap: 20px;
  align-items: start;
  margin-bottom: 16px;
}

.panel-note {
  margin: 22px 0 0;
}

.panel-meta-stack {
  display: grid;
  gap: 8px;
}

.panel-note-compact {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
}

.table-wrap {
  overflow-x: auto;
}

.chart-panel {
  margin-bottom: 18px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.info-panel {
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.info-panel-body {
  display: grid;
  gap: 12px;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: #222222;
  font-weight: 700;
  text-decoration: none;
}

.github-link:hover,
.github-link:focus-visible {
  color: #111111;
}

.github-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.license-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.chart-wrap {
  position: relative;
  min-height: 420px;
}

.chart-wrap canvas {
  width: 100% !important;
  height: 420px !important;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 12px 14px;
  text-align: left;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 16px 14px;
  vertical-align: top;
  border-bottom: 1px solid #ececec;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.material-title {
  margin: 0;
  font-weight: 700;
}

.material-meta,
.small-note {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.value-strong {
  font-weight: 700;
}

.status-pill {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  color: #555555;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #fafafa;
}

.status-live {
  color: #245c7d;
  border-color: #bfd5e4;
  background: #f2f7fa;
}

.status-snapshot {
  color: #7d5c24;
  border-color: #dfd3b8;
  background: #fbf8f1;
}

.status-gap {
  color: #666666;
}

.notes-panel {
  margin-top: 18px;
}

@media (max-width: 980px) {
  .page-shell {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .sidebar {
    position: static;
  }

  .hero-panel,
  .controls-panel,
  .summary-grid,
  .notes-panel,
  .panel-header {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1120px);
    margin-top: 20px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 24px;
  }

  .hero-panel,
  .table-panel {
    padding: 18px;
  }

  .controls-panel,
  .summary-card,
  .note-card {
    padding: 16px;
  }

  thead th,
  tbody td {
    padding-left: 10px;
    padding-right: 10px;
  }
}