* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: #f7f5f3;
  color: #282326;
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
}

main {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.home-link {
  color: #554b50;
  text-decoration: none;
}

header {
  margin: 4rem 0 2rem;
}

.eyebrow {
  margin: 0 0 .5rem;
  color: #766b70;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.15;
}

.overall {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-top: 1.25rem;
  font-weight: 650;
}

.overall span {
  width: .75rem;
  height: .75rem;
  border-radius: 50%;
  background: #32815c;
  box-shadow: 0 0 0 .3rem rgba(50, 129, 92, .13);
}

.overall.warning span {
  background: #bd6a22;
  box-shadow: 0 0 0 .3rem rgba(189, 106, 34, .13);
}

.reward-summary {
  margin-bottom: 1.25rem;
  padding: 1.7rem;
  border: 2px solid #d9c894;
  border-radius: 1.15rem;
  background: linear-gradient(135deg, #fffdf5, #fff 62%);
  box-shadow: 0 .55rem 1.8rem rgba(92, 72, 20, .09);
}

.reward-summary > h2 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.25rem);
}

.reward-message {
  margin: .4rem 0 1.2rem;
  color: #695c37;
  font-weight: 650;
}

.reward-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
}

.reward-card {
  padding: 1.1rem;
  border: 1px solid #e6dec4;
  border-radius: .8rem;
  background: rgba(255, 255, 255, .82);
}

.reward-card.mined {
  border-color: #c7a934;
  background: #fff8d8;
}

.reward-card h3 {
  margin: 0;
  color: #756a4a;
  font-size: .85rem;
  letter-spacing: .08em;
}

.reward-card p {
  margin: .3rem 0 0;
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

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

.status-card {
  padding: 1.35rem;
  border: 1px solid #e2ddda;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 .4rem 1.4rem rgba(40, 35, 38, .05);
}

.history-section {
  margin-top: 3.5rem;
}

.section-heading {
  margin-bottom: 1.25rem;
}

.section-heading h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}

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

.history-card {
  min-width: 0;
  padding: 1.35rem;
  border: 1px solid #e2ddda;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 .4rem 1.4rem rgba(40, 35, 38, .05);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem;
}

.metrics div {
  display: block;
  padding: .8rem;
  border: 0;
  border-radius: .65rem;
  background: #f7f5f3;
}

.metrics dt {
  font-size: .78rem;
}

.metrics dd {
  margin-top: .25rem;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
}

.hash-chart {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 1.1rem;
  border-radius: .65rem;
  background: #f7f5f3;
}

.hash-chart polyline {
  fill: none;
  stroke: #4b8068;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.chart-grid {
  stroke: #ddd6d2;
  stroke-width: 1;
}

.chart-empty {
  margin: 1rem 0 0;
  padding: 2rem 1rem;
  border-radius: .65rem;
  background: #f7f5f3;
  color: #766b70;
  text-align: center;
}

.reliability {
  margin-top: 1rem;
}

.status-row,
dl div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

h2 {
  margin: 0;
  font-size: 1.1rem;
}

.badge {
  padding: .28rem .6rem;
  border-radius: 999px;
  background: #e6f4ed;
  color: #236444;
  font-size: .78rem;
  font-weight: 700;
}

.badge.warning {
  background: #f9eadc;
  color: #954b12;
}

dl {
  margin: 1.2rem 0 0;
}

dl div {
  padding-top: .75rem;
  border-top: 1px solid #eee9e6;
}

dt {
  color: #766b70;
}

dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.updated {
  margin-top: 1.2rem;
  color: #766b70;
  font-size: .82rem;
  text-align: right;
}

@media (max-width: 40rem) {
  header {
    margin-top: 3rem;
  }

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

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

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