:root {
  --bg: #0f1419;
  --panel: #182029;
  --panel-2: #1f2a35;
  --line: #2a3744;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #f0a020;
  --win: #3fb950;
  --loss: #f85149;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }

.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 0 20px; height: 52px;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 700; color: var(--accent); }
.topbar a { color: var(--muted); font-size: 14px; }
.topbar a.active, .topbar a:hover { color: var(--text); }
.topbar .spacer { flex: 1; }
.topbar .whoami { color: var(--muted); font-size: 13px; }

.content { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
h1 { font-size: 22px; margin: 0 0 20px; }
h2 { font-size: 16px; margin: 28px 0 12px; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.hidden { display: none; }
.error { color: var(--loss); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.card-value { font-size: 26px; font-weight: 700; }
.card-label { color: var(--muted); font-size: 13px; margin-top: 4px; }

.controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 16px; }
.controls label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); gap: 4px; }
select, input[type=text], input[type=password] {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 7px 9px; font-size: 14px;
}

table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
table.data th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.tag-win { color: var(--win); font-weight: 600; }
.tag-loss { color: var(--loss); font-weight: 600; }

.heatmap-wrap { position: relative; width: min(720px, 100%); aspect-ratio: 1 / 1;
  background: #0b0f14; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
#heatmap { width: 100%; height: 100%; display: block; }

.login-card { max-width: 340px; margin: 12vh auto 0; background: var(--panel);
  border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.login-card h1 { color: var(--accent); margin-bottom: 4px; }
.login-card form { display: flex; flex-direction: column; gap: 14px; margin-top: 18px; }
.login-card label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
button { background: var(--accent); color: #1a1205; border: 0; border-radius: 7px;
  padding: 10px 14px; font-weight: 600; cursor: pointer; font-size: 14px; }
button:hover { filter: brightness(1.08); }
section { margin-top: 8px; }