.performance-layout {
  min-height: calc(100vh - 78px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: stretch;
}

.performance-main { min-width: 0; }
.performance-sidebar-host { min-width: 0; background: #e9ede4; border-left: 1px solid var(--line); }
.metrics-sidebar { min-height: 100%; padding: 38px 22px; }
.metrics-sidebar-inner { position: sticky; top: 102px; display: grid; gap: 18px; }
.metrics-sidebar h2 { margin: 0; font: 500 29px/1.1 Georgia, "Times New Roman", serif; letter-spacing: -.025em; }
.metrics-eyebrow { margin: 0 0 8px; color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.home-charts { display: grid; gap: 14px; }
.home-chart-card { --chart-value: 0deg; min-width: 0; min-height: 138px; padding: 16px; display: grid; grid-template-columns: 104px minmax(0, 1fr); align-items: center; gap: 16px; background: rgba(255,255,255,.66); border: 1px solid #d2d9cf; border-radius: 12px; }
.chart-ring { width: 104px; height: 104px; padding: 9px; display: grid; place-items: center; background: conic-gradient(var(--green) 0 var(--chart-value), #dce3da var(--chart-value) 360deg); border-radius: 50%; transition: background .25s ease; }
.material-chart .chart-ring { background: conic-gradient(var(--gold) 0 var(--chart-value), #dce3da var(--chart-value) 360deg); }
.chart-ring > div { width: 100%; height: 100%; display: grid; place-content: center; color: var(--ink); background: var(--paper); border-radius: 50%; text-align: center; }
.chart-ring strong, .chart-ring span { display: block; }
.chart-ring strong { font: 800 25px/1 Inter, ui-sans-serif, system-ui, sans-serif; font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.chart-ring span { margin-top: 3px; color: var(--muted); font-size: 8px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.chart-copy { min-width: 0; }
.chart-copy h3 { margin: 0; font-size: 14px; line-height: 1.25; }
.chart-copy p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.4; }

body.dark .performance-sidebar-host { background: var(--canvas); }
body.dark .home-chart-card { background: var(--paper); border-color: var(--line); }

@media (max-width: 1180px) {
  .performance-layout { grid-template-columns: minmax(0, 1fr); }
  .performance-sidebar-host { border-top: 1px solid var(--line); border-left: 0; }
  .metrics-sidebar { padding: 28px 24px 45px; }
  .metrics-sidebar-inner { width: min(100%, 330px); margin-left: auto; position: static; }
}

@media (max-width: 820px) {
  .metrics-sidebar { padding: 28px 14px 45px; }
  .metrics-sidebar-inner { width: 100%; }
}