:root {
  --bg: #f6f7f9; --card: #ffffff; --fg: #17202c; --muted: #5d6878; --line: #dfe3e8;
  --accent: #2563eb; --accent-fg: #ffffff; --good: #15803d; --chart-a: #2563eb; --chart-b: #d97706;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141b; --card: #171e28; --fg: #e6ebf1; --muted: #98a3b3; --line: #2a3442;
    --accent: #60a5fa; --accent-fg: #0b1220; --good: #4ade80; --chart-a: #60a5fa; --chart-b: #fbbf24;
  }
}
:root[data-theme="dark"] {
  --bg: #0f141b; --card: #171e28; --fg: #e6ebf1; --muted: #98a3b3; --line: #2a3442;
  --accent: #60a5fa; --accent-fg: #0b1220; --good: #4ade80; --chart-a: #60a5fa; --chart-b: #fbbf24;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
header, main { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 28px; }
h1 { margin: 0 0 4px; font-size: 1.7rem; }
h2 { margin: 0 0 10px; font-size: 1.05rem; }
header p { margin: 0 0 18px; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin: 0 0 14px; }
.row { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.row + .row { margin-top: 10px; }
label { font-size: 0.85rem; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
input[type=number] { width: 72px; }
input, select, button { font: inherit; font-size: 0.85rem; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; }
button { cursor: pointer; }
button:disabled { opacity: 0.5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 600; }
.check { color: var(--fg); }
.muted { color: var(--muted); font-size: 0.85rem; }
.views { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.views figure { margin: 0; }
figcaption { font-size: 0.8rem; color: var(--muted); margin-bottom: 6px; }
canvas { width: 100%; image-rendering: pixelated; background: #000; border-radius: 6px; display: block; }
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.stat span { display: block; font-size: 0.75rem; color: var(--muted); }
.stat b { font-size: 1.3rem; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.82rem; font-variant-numeric: tabular-nums; }
th, td { padding: 5px 8px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th:nth-child(2), td:nth-child(2) { text-align: left; }
#chart { width: 100%; height: auto; margin-bottom: 8px; }
.about ol { margin: 0; padding-left: 20px; }
.about li { margin-bottom: 6px; }
@media (max-width: 760px) {
  .views { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}