:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #61707d;
  --border: #dde2e7;
  --accent: #1f5fae;
  --accent-soft: #e8f0fa;
  --ok: #1d7a46;
  --stop: #8a939c;
  --danger: #b42318;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header.top {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
header.top .brand { font-weight: 700; letter-spacing: .02em; }
header.top .spacer { flex: 1; }
header.top .who { color: var(--muted); font-size: 12px; }
header.top form { margin: 0; }
main { max-width: 1280px; margin: 0 auto; padding: 20px 24px 48px; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 28px 0 8px; }
.sub { color: var(--muted); font-size: 12px; }
.crumbs { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.crumbs a { color: var(--muted); }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 16px 0; }
.toolbar select, .toolbar .btn, button.btn {
  font: inherit; padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--text); cursor: pointer;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin: 12px 0 8px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.card .k { color: var(--muted); font-size: 12px; }
.card .v { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: #f0f2f5; font-weight: 600; font-size: 12px; color: var(--muted); text-align: right; }
th.l, td.l { text-align: left; }
td { text-align: right; }
td.name { text-align: left; white-space: normal; min-width: 220px; }
tr.total td { font-weight: 600; background: #fafbfc; }
tr.section td { background: var(--accent-soft); font-weight: 600; text-align: left; }
.badge { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 4px; border: 1px solid currentColor; }
.badge.on { color: var(--ok); }
.badge.off { color: var(--stop); }
.chart-box { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; height: 280px; }
.thumb { max-width: 160px; max-height: 90px; border: 1px solid var(--border); background: #fff; }
.empty { color: var(--muted); padding: 16px; }
.note { color: var(--muted); font-size: 12px; margin-top: 8px; }
.login-box { max-width: 360px; margin: 80px auto; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.login-box h1 { margin-bottom: 16px; }
.login-box label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 4px; }
.login-box input { width: 100%; font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; }
.login-box button { width: 100%; margin-top: 20px; }
.login-box .error { color: var(--danger); font-size: 13px; margin-top: 12px; min-height: 1.5em; }
.login-box .link { display: inline-block; margin-top: 12px; font-size: 12px; background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; width: auto; }
@media (max-width: 640px) {
  main { padding: 16px; }
  header.top { padding: 10px 16px; }
}
#client-filter { font: inherit; padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; min-width: 280px; }
.jump { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; margin: 8px 0 4px; }
.preview img, .preview video { max-width: 100%; max-height: 320px; border: 1px solid var(--border); background: #fff; margin: 8px 0; }
.chart-controls { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 0 0 8px; font-size: 13px; color: var(--muted, #555); }
.chart-controls select { margin-left: 4px; font-size: 13px; }