:root {
  --fg: #1a1a1a;
  --fg-soft: #555;
  --bg: #fafafa;
  --row: #fff;
  --row-alt: #f4f4f4;
  --border: #e4e4e4;
  --accent: #0b5fff;
  --accent-soft: #e7efff;
  --ok: #1f7a3a;
  --warn: #a05f00;
  --err: #b00020;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.45;
}

header, main, footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.2rem 1.6rem;
}

header h1 { margin: 0 0 0.2rem; font-size: 1.5rem; }
header .sub { margin: 0 0 1rem; color: var(--fg-soft); font-size: 0.95rem; max-width: 800px; }

.toolbar { display: flex; align-items: center; gap: 1rem; }
.toolbar button {
  font-size: 0.9rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
}
.toolbar button:hover:not(:disabled) { filter: brightness(0.92); }
.toolbar button:disabled { opacity: 0.55; cursor: progress; }

.status { color: var(--fg-soft); font-size: 0.9rem; }
.status.ok  { color: var(--ok); }
.status.err { color: var(--err); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--row);
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  background: #efefef;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1;
}
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

tbody tr:nth-child(even) { background: var(--row-alt); }
tr.empty td { padding: 2rem; text-align: center; color: var(--fg-soft); }

td.name      { font-weight: 600; min-width: 180px; }
td.summary-cell { max-width: 480px; }
td.status-cell  { max-width: 220px; }
td.ts-cell    { white-space: nowrap; color: var(--fg-soft); font-size: 0.88rem; }
td.live-cell:not(:empty) { color: var(--ok); font-weight: 600; }

.filters {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin: 0 0 0.8rem;
  font-size: 0.9rem;
  color: var(--fg-soft);
  flex-wrap: wrap;
}
.filters label { display: inline-flex; align-items: center; gap: 0.4rem; }
.filters select {
  font-size: 0.9rem;
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  color: var(--fg);
  min-width: 140px;
}
.filter-count { font-size: 0.85rem; margin-left: auto; }

.checkBtn {
  font-size: 0.82rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--accent);
  background: #fff;
  color: var(--accent);
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
}
.checkBtn:hover:not(:disabled) { background: var(--accent-soft); }
.checkBtn:disabled { opacity: 0.55; cursor: progress; }

tr.updated { animation: flash 1.4s ease-out; }
@keyframes flash {
  0%   { background: #fff8b6; }
  100% { background: inherit; }
}

footer {
  color: var(--fg-soft);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }