.hrn-page {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 30px 0 72px;
}

.hrn-hero {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: end;
  margin-bottom: 18px;
}

.hrn-kicker {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hrn-hero h1 {
  margin: 4px 0 6px;
  color: var(--text);
  font-size: clamp(30px, 4vw, 54px);
  letter-spacing: 0;
}

.hrn-sub {
  margin: 0;
  color: var(--muted);
  max-width: 780px;
  line-height: 1.45;
}

.hrn-sub span {
  color: var(--text);
  font-weight: 800;
}

.hrn-hero-stat {
  min-width: 154px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 14px;
  text-align: right;
}

.hrn-hero-stat span {
  display: block;
  color: #f2cc60;
  font-size: 30px;
  line-height: 1;
  font-weight: 900;
}

.hrn-hero-stat b {
  display: block;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: 5px;
}

.hrn-controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  gap: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 14px;
}

.hrn-controls label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hrn-controls select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 10px;
  font: inherit;
}

.hrn-status {
  border: 1px solid rgba(210, 153, 34, .35);
  background: rgba(210, 153, 34, .1);
  color: #d29922;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 14px;
  font-weight: 700;
}

.hrn-chart-shell,
.hrn-pair-detail,
.hrn-mobile-list,
.hrn-footnote {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 10px;
}

.hrn-chart-shell {
  overflow: hidden;
}

.hrn-chart-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 18px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.hrn-chart-head h2,
.hrn-pair-detail h2,
.hrn-date-list h3 {
  margin: 0;
  color: var(--text);
  letter-spacing: 0;
}

.hrn-chart-head p {
  margin: 5px 0 0;
  color: var(--muted);
  line-height: 1.4;
}

.hrn-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 8px 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.hrn-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hrn-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.hrn-dot-high { background: #f2cc60; }
.hrn-dot-elevated { background: #58a6ff; }
.hrn-dot-normal { background: #8b949e; }

.hrn-chart-wrap {
  position: relative;
  min-height: 680px;
  display: grid;
  place-items: center;
}

.hrn-chord {
  width: min(760px, 100%);
  height: auto;
  display: block;
}

.hrn-ribbon {
  fill: none;
  stroke-linecap: round;
  cursor: pointer;
  transition: opacity .15s ease, stroke-width .15s ease;
}

.hrn-ribbon.is-muted,
.hrn-node.is-muted,
.hrn-label.is-muted {
  opacity: .12;
}

.hrn-ribbon:focus {
  outline: none;
  filter: drop-shadow(0 0 8px rgba(242, 204, 96, .55));
}

.hrn-node {
  cursor: pointer;
}

.hrn-node circle {
  stroke: rgba(255,255,255,.62);
  stroke-width: 1.5;
}

.hrn-node text,
.hrn-label {
  fill: var(--text);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
}

.hrn-node-meta {
  fill: var(--muted);
  font-size: 9px;
  font-weight: 700;
}

.hrn-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 24px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
}

.hrn-empty h3 {
  margin: 0 0 8px;
  color: var(--text);
}

.hrn-empty p {
  margin: 0;
  color: var(--muted);
}

.hrn-pair-detail {
  margin-top: 14px;
  padding: 18px;
}

.hrn-pair-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0 16px;
}

.hrn-pair-grid span {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.hrn-pair-grid b {
  display: block;
  margin-top: 5px;
  color: var(--text);
  font-size: 19px;
  letter-spacing: 0;
  text-transform: none;
}

.hrn-date-list ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
}

.hrn-date-list li {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 800;
}

.hrn-mobile-list {
  margin-top: 14px;
}

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

.hrn-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.hrn-table th,
.hrn-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

.hrn-table th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.hrn-table td {
  color: var(--text);
  font-size: 13px;
}

.hrn-table-pair {
  appearance: none;
  border: 0;
  background: transparent;
  color: #79c0ff;
  padding: 0;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.hrn-table-pair:hover,
.hrn-table-pair:focus {
  text-decoration: underline;
}

.hrn-lift {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  font-weight: 900;
}

.hrn-lift-high {
  background: rgba(242, 204, 96, .16);
  color: #f2cc60;
}

.hrn-lift-elevated {
  background: rgba(88, 166, 255, .16);
  color: #58a6ff;
}

.hrn-lift-normal {
  background: rgba(139, 148, 158, .16);
  color: #8b949e;
}

.hrn-lift-anti {
  background: rgba(248, 81, 73, .13);
  color: #f85149;
}

.hrn-footnote {
  margin-top: 14px;
  padding: 14px 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .hrn-page {
    width: min(100vw - 18px, 680px);
    padding-top: 18px;
  }

  .hrn-hero,
  .hrn-chart-head {
    display: block;
  }

  .hrn-hero-stat {
    text-align: left;
    margin-top: 12px;
  }

  .hrn-controls {
    grid-template-columns: 1fr 1fr;
  }

  .hrn-chart-wrap {
    min-height: 430px;
  }

  .hrn-pair-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hrn-legend {
    justify-content: start;
    margin-top: 10px;
  }
}

@media (max-width: 520px) {
  .hrn-controls,
  .hrn-pair-grid {
    grid-template-columns: 1fr;
  }

  .hrn-chart-wrap {
    min-height: 360px;
  }
}