:root {
  --page-bg: #f3f3ef;
  --surface: #ffffff;
  --ink: #111111;
  --muted: #5f5f5f;
  --line: #111111;
  --line-soft: #cfcfc8;
  --band-strong: #efefe9;
  --band-soft: #f7f7f2;
  --status-bg: #ebeae2;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: "IBM Plex Mono", "SFMono-Regular", "Menlo", "Courier New", monospace;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 36px;
}

.page-header,
.panel,
.page-footer {
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-header {
  padding: 18px 22px;
  display: grid;
  gap: 18px;
}

.page-header-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-link:hover {
  background: #111111;
  color: #ffffff;
}

.nav-link-secondary {
  background: var(--page-bg);
}

.page-kicker,
.section-label,
.meta-label,
.comparison-label,
.indicator-label,
.sparkline-label {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-heading h1 {
  margin: 6px 0 8px;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 500;
  line-height: 1;
}

.page-heading p:last-child {
  margin: 0;
  max-width: 720px;
  color: var(--muted);
}

.page-main {
  margin-top: 16px;
  display: grid;
  gap: 16px;
}

.content-shell {
  display: grid;
  gap: 16px;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 16px;
}

.panel {
  min-width: 0;
}

.panel-summary,
.panel-comparison,
.history-panel,
.indicators-panel {
  padding: 20px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-head h2 {
  margin: 6px 0 0;
  font-size: 1.2rem;
  font-weight: 500;
}

.summary-core {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 18px;
  align-items: end;
}

.score-value {
  display: block;
  font-size: clamp(4rem, 10vw, 6.4rem);
  line-height: 0.95;
  font-weight: 500;
  letter-spacing: -0.05em;
}

.summary-meta {
  display: grid;
  gap: 12px;
}

.meta-row {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #111111;
  color: #ffffff;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rating-extreme-fear {
  background: #111111;
  color: #ffffff;
}

.rating-fear {
  background: #3d3d3d;
  color: #ffffff;
}

.rating-neutral {
  background: #d9d9d2;
  color: #111111;
}

.rating-greed {
  background: #c9c9c1;
  color: #111111;
}

.rating-extreme-greed {
  background: #b9b9b0;
  color: #111111;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.comparison-item {
  padding: 14px;
  border: 1px dashed var(--line-soft);
  background: var(--page-bg);
}

.comparison-value {
  margin-top: 10px;
  font-size: 1.45rem;
  font-weight: 500;
}

.comparison-delta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.84rem;
}

.chart-shell {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
}

.chart-axis {
  display: grid;
  grid-template-rows: repeat(5, 1fr);
  font-size: 0.78rem;
  color: var(--muted);
}

.chart-axis span {
  display: flex;
  align-items: center;
}

.chart-surface {
  min-height: 320px;
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(
      180deg,
      var(--band-strong) 0%,
      var(--band-strong) 20%,
      var(--band-soft) 20%,
      var(--band-soft) 40%,
      var(--band-strong) 40%,
      var(--band-strong) 60%,
      var(--band-soft) 60%,
      var(--band-soft) 80%,
      var(--band-strong) 80%,
      var(--band-strong) 100%
    );
  overflow: hidden;
}

.chart-surface svg {
  display: block;
  width: 100%;
  height: 100%;
}

.chart-empty {
  display: grid;
  place-items: center;
  height: 100%;
  min-height: 320px;
  color: var(--muted);
}

.indicator-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.indicator-card {
  padding: 16px;
  border: 1px dashed var(--line-soft);
  background: var(--page-bg);
  display: grid;
  gap: 14px;
}

.indicator-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.indicator-title {
  display: grid;
  gap: 8px;
}

.indicator-value {
  font-size: 1.85rem;
  font-weight: 500;
  line-height: 1;
}

.indicator-name {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.45;
}

.sparkline-wrap {
  display: grid;
  gap: 8px;
}

.sparkline-box {
  min-height: 54px;
  border: 1px solid var(--line-soft);
  background: #ffffff;
}

.sparkline-box svg {
  display: block;
  width: 100%;
  height: 54px;
}

.sparkline-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.78rem;
}

.page-footer {
  margin-top: 16px;
  padding: 16px 20px;
}

.page-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

@media (max-width: 1080px) {
  .indicator-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }

  .summary-core {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .indicator-grid,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .chart-shell {
    grid-template-columns: 1fr;
  }

  .chart-axis {
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: 1fr;
  }

  .chart-axis span {
    justify-content: space-between;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 20px, 1200px);
    padding-top: 18px;
    padding-bottom: 28px;
  }

  .page-header,
  .panel-summary,
  .panel-comparison,
  .history-panel,
  .indicators-panel,
  .status-panel {
    padding: 18px;
  }

  .status-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .score-value {
    font-size: clamp(3.3rem, 17vw, 5rem);
  }
}