:root {
  color-scheme: light;
  --detail: #626f67;
  --surface: #edf1ed;
  --segment-bg: #e9eeea;
  --segment-text: #627168;
  --segment-active: #fff;
  --row-time: #607066;
  --row-answer: #617067;
  --bad-text: #af615b;
  --chart-bg: #17231d;
  --chart-border: transparent;
  --chart-grid: #3c4c41;
  --chart-axis: #9cae9e;
  --chart-area: #2fd58d17;
  --chart-line: #2fd58d;
  --chart-label: #a9bcae;
  --chart-label-strong: #d4e6d9;
  --switch-bg: #e9eeea;
  --switch-text: #617067;
  --switch-active: #fff;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101713;
  --ink: #edf4ee;
  --muted: #9fb1a3;
  --line: #2c3a30;
  --accent: #5ce1a4;
  --accent-dark: #65dfa6;
  --bad: #ed918a;
  --detail: #a3b6a7;
  --surface: #1a261f;
  --segment-bg: #223127;
  --segment-text: #afc0b2;
  --segment-active: #314437;
  --row-time: #a3b5a8;
  --row-answer: #acbdaf;
  --bad-text: #f1a29b;
  --chart-bg: #1b2b21;
  --chart-border: #324637;
  --chart-grid: #3b5142;
  --chart-axis: #a2b8a5;
  --chart-area: #5ce1a424;
  --chart-line: #5ce1a4;
  --chart-label: #abc2ad;
  --chart-label-strong: #e3f3e8;
  --switch-bg: #223127;
  --switch-text: #abbfaf;
  --switch-active: #314437;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #101713;
    --ink: #edf4ee;
    --muted: #9fb1a3;
    --line: #2c3a30;
    --accent: #5ce1a4;
    --accent-dark: #65dfa6;
    --bad: #ed918a;
    --detail: #a3b6a7;
    --surface: #1a261f;
    --segment-bg: #223127;
    --segment-text: #afc0b2;
    --segment-active: #314437;
    --row-time: #a3b5a8;
    --row-answer: #acbdaf;
    --bad-text: #f1a29b;
    --chart-bg: #1b2b21;
    --chart-border: #324637;
    --chart-grid: #3b5142;
    --chart-axis: #a2b8a5;
    --chart-area: #5ce1a424;
    --chart-line: #5ce1a4;
    --chart-label: #abc2ad;
    --chart-label-strong: #e3f3e8;
    --switch-bg: #223127;
    --switch-text: #abbfaf;
    --switch-active: #314437;
  }
}

body { background: var(--bg); }
.metric-label { color: var(--detail); }
.segmented { background: var(--segment-bg); }
.segmented button { color: var(--segment-text); }
.segmented button.active { background: var(--segment-active); color: var(--ink); box-shadow: none; }
.chart-wrap { background: var(--chart-bg); border: 1px solid var(--chart-border); }
.chart-labels, .chart-bottom { color: var(--chart-label); }
.chart-labels span:first-child { color: var(--chart-label-strong); }
.chart .grid { stroke: var(--chart-grid); }
.chart .grid-label { fill: var(--chart-axis); }
.chart .area { fill: var(--chart-area); }
.chart .line { stroke: var(--chart-line); }
.chart .dot { stroke: var(--chart-bg); }
.chart .dot.good { fill: var(--chart-line); }
.chart .dot.bad { fill: var(--bad); }
.empty { color: var(--chart-label); }
td:first-child { color: var(--row-time); }
td:last-child { color: var(--row-answer); }
.result.bad { color: var(--bad-text); }
.scoring-note { margin: 9px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 23px 0 0; color: var(--muted); font-size: 12px; }
.pagination-controls, .page-numbers { display: flex; align-items: center; gap: 5px; }
.pagination button { min-width: 32px; height: 32px; padding: 0 9px; border: 1px solid var(--line); border-radius: 5px; background: transparent; color: var(--ink); cursor: pointer; font-size: 11px; font-weight: 700; }
.pagination button:hover:not(:disabled) { border-color: var(--accent-dark); }
.pagination button.active { border-color: var(--accent-dark); background: var(--segment-active); }
.pagination button:disabled { opacity: .38; cursor: default; }
.pagination button:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 2px; }

.theme-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: 7px;
  background: var(--switch-bg);
}
.theme-switch button {
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--switch-text);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  padding: 7px 10px;
  transition: background .18s ease, color .18s ease;
}
.theme-switch button:hover { color: var(--ink); }
.theme-switch button.active { background: var(--switch-active); color: var(--ink); }
.theme-switch button:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 2px; }

@media (max-width: 600px) {
  .topbar-right { gap: 7px; }
  .theme-switch button { padding: 7px 6px; font-size: 10px; }
  .live-status { padding: 8px 9px; }
  .pagination { align-items: flex-start; flex-direction: column; }
  .pagination-controls { flex-wrap: wrap; }
}