:root {
  --bg: #0f1115;
  --panel: #161a21;
  --panel-2: #1d222b;
  --line: #262c37;
  --text: #e6e9ef;
  --muted: #8b95a7;
  --accent: #5aa9ff;
  --up: #3fbf7f;
  --down: #f2647c;
  --radius: 10px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9; --panel: #fff; --panel-2: #f0f2f6; --line: #dfe3ea;
    --text: #1a1f28; --muted: #626c7d; color-scheme: light;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.loading { padding: 3rem; color: var(--muted); }

/* top nav — brand, view tabs, account */
.nav {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0 1.25rem; height: 52px;
  background: var(--panel); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 650; letter-spacing: -0.01em; display: flex; align-items: center; gap: .5rem; }
.brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.tabs { display: flex; gap: .25rem; flex: 1; }
.tab {
  padding: .35rem .7rem; border-radius: 7px; color: var(--muted);
  background: none; border: 0; cursor: pointer; font: inherit;
}
.tab:hover { background: var(--panel-2); color: var(--text); }
.tab.active { background: var(--panel-2); color: var(--text); font-weight: 600; }
.nav .right { display: flex; align-items: center; gap: .75rem; color: var(--muted); font-size: 13px; }

.wrap { padding: 1.25rem; max-width: 1400px; margin: 0 auto; }
.controls { display: flex; gap: .5rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
select, input, button.btn {
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  border-radius: 7px; padding: .35rem .6rem; font: inherit;
}
button.btn { cursor: pointer; }
button.btn:hover { background: var(--panel-2); }
button.btn.primary { background: var(--accent); border-color: var(--accent); color: #04101f; font-weight: 600; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 1rem; }
.card > h2 {
  margin: 0; padding: .75rem 1rem; font-size: 13px; font-weight: 650;
  text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.card > .body { padding: 1rem; }

/* tables scroll inside their own container — the page never scrolls sideways */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: .5rem .75rem; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:hover { background: var(--panel-2); }
td.num, th.num { text-align: right; }
td.wide { max-width: 460px; white-space: normal; word-break: break-word; }
.delta.up { color: var(--up); }
.delta.down { color: var(--down); }
.muted { color: var(--muted); }
.pill {
  display: inline-block; padding: .1rem .45rem; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line); font-size: 12px; color: var(--muted);
}
.pill.gsc { color: var(--accent); }
.pill.bing { color: #d7a24a; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: .75rem; }
.stat { background: var(--panel-2); border-radius: 8px; padding: .75rem .9rem; }
.stat .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.stat .v { font-size: 22px; font-weight: 650; margin-top: .15rem; }
.stat .d { font-size: 12px; }

svg.chart { width: 100%; height: 220px; display: block; }
svg.chart .grid-line { stroke: var(--line); stroke-width: 1; }
svg.chart .clicks { fill: none; stroke: var(--accent); stroke-width: 2; }
svg.chart .impr { fill: none; stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; }
svg.chart .ann { stroke: var(--up); stroke-width: 1; stroke-dasharray: 2 2; }
svg.chart text { fill: var(--muted); font-size: 10px; }

.login { max-width: 340px; margin: 12vh auto; }
.login .card > .body { display: grid; gap: .6rem; }
.login input { width: 100%; }
.err { color: var(--down); font-size: 13px; min-height: 1.2em; }
.empty { padding: 2rem 1rem; color: var(--muted); text-align: center; }