:root {
  --bg: #f7f9fc;
  --ink: #102a43;
  --ink-soft: #486581;
  --panel: #ffffff;
  --line: #d9e2ec;
  --brand: #0f766e;
  --brand-soft: #d1fae5;
  --rise: #0f766e;
  --fall: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Avenir Next", "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.55;
  background:
    radial-gradient(circle at 85% 0%, #dff6ff 0%, transparent 40%),
    radial-gradient(circle at 0% 100%, #edf8f2 0%, transparent 30%),
    var(--bg);
}

.container {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.hero {
  padding: 22px;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.1), rgba(15, 118, 110, 0.02)),
    var(--panel);
  box-shadow: 0 12px 26px rgba(16, 42, 67, 0.08);
}

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

.eyebrow {
  margin: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 12px 0 6px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.1;
}

.hero-copy {
  margin: 0;
  color: var(--ink-soft);
  max-width: 65ch;
  font-size: 16px;
}

.meta {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.repo-button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 200ms ease, color 200ms ease, transform 200ms ease;
}

.repo-button:hover {
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-1px);
}

.repo-button:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.25);
  outline-offset: 2px;
}

.summary-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.summary-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 12px;
}

.summary-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.summary-card h2 {
  margin: 6px 0 0;
  font-size: 24px;
  line-height: 1.2;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 8px 16px rgba(16, 42, 67, 0.04);
}

.controls {
  margin-top: 14px;
  padding: 14px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.metric-note {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  background: #eff6ff;
  color: #1e3a8a;
  font-size: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

select {
  min-width: 190px;
  min-height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}

.table-wrap {
  margin-top: 14px;
  overflow: hidden;
}

.trend-wrap {
  margin-top: 14px;
  padding: 14px;
}

.trend-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.trend-head h3 {
  margin: 0;
  font-size: 16px;
}

.trend-empty {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.trend-svg {
  margin-top: 10px;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  background: #f8fafc;
}

.trend-chart-shell {
  position: relative;
}

.trend-tooltip {
  position: absolute;
  min-width: 150px;
  max-width: 220px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 10px 18px rgba(16, 42, 67, 0.12);
  font-size: 12px;
  pointer-events: none;
  z-index: 2;
}

.trend-tooltip-date {
  margin: 0 0 6px;
  color: var(--ink-soft);
  font-size: 11px;
}

.trend-tooltip-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.trend-tooltip-row strong {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.trend-legend {
  margin-top: 10px;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.trend-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}

.trend-legend-item strong {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.trend-legend-item.is-hidden {
  opacity: 0.45;
  background: #f8fafc;
}

.trend-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  display: inline-block;
}

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

th,
td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  color: var(--ink-soft);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: #f9fbfd;
}

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

.rank-badge {
  min-width: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 4px 9px;
  background: #eaf1f7;
  color: #334e68;
  font-weight: 700;
}

.rank-1 {
  background: #fef3c7;
  color: #92400e;
}

.rank-2 {
  background: #e2e8f0;
  color: #334155;
}

.rank-3 {
  background: #ffe4d6;
  color: #9a3412;
}

.value-cell {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.delta-positive {
  color: var(--rise);
  font-weight: 700;
}

.delta-negative {
  color: var(--fall);
  font-weight: 700;
}

.empty-row {
  text-align: center;
  color: var(--ink-soft);
}

@media (max-width: 900px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .container {
    padding: 14px;
  }

  .hero-top {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .trend-legend {
    grid-template-columns: 1fr;
  }

  th:nth-child(5),
  td:nth-child(5) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .repo-button {
    transition: none;
  }
}