:root {
  color-scheme: light;
  --page: #f9f9f7; --surface: #fcfcfb; --ink: #0b0b0b; --ink2: #52514e; --muted: #898781;
  --grid: #e1e0d9; --axis: #c3c2b7; --ring: rgba(11,11,11,0.10);
  --s1: #2a78d6; --s2: #eb6834;
  --good: #0ca30c; --warn: #fab219; --crit: #d03b3b; --up: #006300;
  --accent: #c8102e; --sel: #eef4fc;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --ink: #f0efec; --ink2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --ring: rgba(255,255,255,0.10);
    --s1: #3987e5; --s2: #d95926; --up: #0ca30c; --sel: #1d2a3a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
.muted { color: var(--ink2); }
.hint { color: var(--muted); font-weight: 400; font-size: 12px; margin-left: 6px; }
h1 { font-size: 22px; margin: 0 0 8px; }
h3 { font-size: 14px; margin: 0 0 12px; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
code { background: var(--grid); padding: 1px 4px; border-radius: 4px; }

.card { background: var(--surface); border: 1px solid var(--ring); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.btn { font: inherit; border: 1px solid var(--axis); background: var(--surface); color: var(--ink);
  border-radius: 8px; padding: 7px 12px; cursor: pointer; }
.btn:hover { background: var(--sel); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.small { padding: 3px 8px; font-size: 12px; }
input, select { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--axis);
  border-radius: 8px; padding: 7px 9px; }
label { color: var(--ink2); display: inline-flex; align-items: center; gap: 6px; }
.err { color: var(--crit); min-height: 1em; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; }
.login-card form { display: grid; gap: 8px; margin-top: 12px; }
.login-card label { display: block; }
.login-card input { width: 100%; }

.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--surface); border-bottom: 1px solid var(--ring); }
.topbar .title { display: flex; flex-direction: column; line-height: 1.2; }
.topbar .title .muted { font-size: 12px; }
.tabs { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.tabs button { font: inherit; border: 0; background: transparent; color: var(--ink2); padding: 8px 12px;
  border-radius: 8px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--sel); color: var(--ink); font-weight: 600; }
.badge { display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 9px; background: var(--accent);
  color: #fff; font-size: 11px; text-align: center; }
.tab { max-width: 1280px; margin: 0 auto; padding: 16px 20px 40px; }

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; min-height: 4px; }
.crumb { display: inline-flex; align-items: center; gap: 6px; background: var(--sel); border: 1px solid var(--ring);
  border-radius: 999px; padding: 3px 4px 3px 10px; font-size: 13px; }
.crumb button { border: 0; background: transparent; color: var(--ink2); cursor: pointer; font-size: 15px; line-height: 1; padding: 2px 6px; }

.grid.top { display: grid; grid-template-columns: minmax(280px, 380px) 1fr; gap: 14px; }
.grid.top .card { margin: 0; }
.grid.top { margin-bottom: 14px; }
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.tile { margin: 0; display: flex; flex-direction: column; justify-content: center; }
.tile .tl { color: var(--ink2); font-size: 13px; }
.tile .tv { font-size: 32px; font-weight: 700; line-height: 1.15; }
.tile .td { font-size: 12px; color: var(--muted); min-height: 1.2em; }
.td .up { color: var(--up); } .td .down { color: var(--crit); }
.grid.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.grid.cards .card { margin: 0; }
.grid.cards .card.wide { grid-column: 1 / -1; }
.grid.cards { margin-bottom: 14px; }
@media (max-width: 760px) { .grid.top { grid-template-columns: 1fr; } }

.gauge-card svg { width: 100%; height: auto; display: block; }
.gauge-card .needle { transition: transform .6s cubic-bezier(.3,1.3,.5,1); }

.rows { display: grid; gap: 2px; }
.row { display: grid; grid-template-columns: minmax(90px, 34%) 1fr 92px; align-items: center; gap: 10px;
  padding: 5px 6px; border-radius: 6px; cursor: default; }
.row.click { cursor: pointer; }
.row.click:hover { background: var(--sel); }
.row .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .bar { height: 10px; background: var(--grid); border-radius: 2px; position: relative; overflow: hidden; }
.row .bar i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--s1); border-radius: 0 4px 4px 0; }
.row .bar i.neg { background: var(--s2); }
.row .val { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink2); font-size: 13px; }
.row .val b { color: var(--ink); }
.empty { color: var(--muted); padding: 8px 6px; }
.legend { margin-left: auto; color: var(--ink2); font-weight: 400; font-size: 12px; display: inline-flex; gap: 6px; align-items: center; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; background: var(--s1); }
.sw.neg { background: var(--s2); } .sw + .sw, .legend .sw.neg { margin-left: 8px; }

.trend { position: relative; height: 220px; }
.trend svg { display: block; width: 100%; height: 100%; }
.tooltip { position: fixed; z-index: 20; pointer-events: none; background: var(--ink); color: var(--surface);
  padding: 6px 9px; border-radius: 6px; font-size: 12px; line-height: 1.35; max-width: 260px; }

.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; font-weight: 600; color: var(--ink2); border-bottom: 1px solid var(--axis); padding: 6px 8px; white-space: nowrap; }
.tbl td { border-bottom: 1px solid var(--grid); padding: 6px 8px; vertical-align: top; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl input, .tbl select { padding: 4px 6px; }
.inline-form { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.notice { background: var(--sel); border: 1px solid var(--ring); border-radius: 8px; padding: 10px 12px; margin-top: 10px; word-break: break-all; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--surface);
  padding: 10px 16px; border-radius: 8px; z-index: 30; }

.qr-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.qr-card { background: #fff; color: #111; border: 1px solid #ddd; border-radius: 12px; padding: 18px; text-align: center; break-inside: avoid; }
.qr-card h4 { margin: 0; font-size: 20px; }
.qr-card .sub { font-size: 14px; margin: 4px 0 10px; color: #333; }
.qr-card svg { width: 100%; max-width: 220px; height: auto; }
.qr-card .site { font-size: 13px; color: #444; margin-top: 6px; }
.qr-card .url { font-size: 10px; color: #777; word-break: break-all; margin-top: 4px; }

@media print {
  body { background: #fff; }
  .topbar, .no-print, .toast, .tooltip { display: none !important; }
  .tab { padding: 0; }
  .qr-cards { grid-template-columns: repeat(2, 1fr); }
  .qr-card { border: 1px solid #999; page-break-inside: avoid; }
}