:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #262b36;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --pos: #3ddc97;
  --neg: #ff6b6b;
  --warn: #ffc857;
  --accent: #6aa3ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 4px; }
h3.sub { font-size: 13px; margin: 20px 0 6px; color: var(--muted); font-weight: 600; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.warn { color: var(--warn); }
.error { color: var(--neg); }

/* ---------------------------------------------------------------- login -- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  width: 100%;
  max-width: 360px;
}
.login-card label {
  display: block;
  margin: 18px 0 6px;
  font-size: 12px;
  color: var(--muted);
}
.login-card input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #0d0f14;
  color: var(--text);
  font-size: 14px;
}
.login-card button {
  width: 100%;
  margin-top: 18px;
  padding: 10px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #0b0d12;
  font-weight: 600;
  cursor: pointer;
}
.login-card .error { margin: 12px 0 0; font-size: 13px; }

/* --------------------------------------------------------------- topbar -- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.brand { display: flex; align-items: center; gap: 10px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.badge {
  font-size: 11px;
  letter-spacing: .04em;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.badge.ok { color: var(--pos); border-color: rgba(61, 220, 151, .4); }
.badge.neg { color: var(--neg); border-color: rgba(255, 107, 107, .4); }
.badge.live { color: var(--warn); border-color: rgba(255, 200, 87, .5); }

button.link {
  background: none;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
}
button.link:hover { color: var(--text); }

main { padding: 20px; }

/* ---------------------------------------------------------------- tiles -- */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.tile-label { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.tile-value { font-size: 22px; font-weight: 650; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.tile-sub { font-size: 11px; color: var(--muted); }

/* ----------------------------------------------------------------- tabs -- */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.tab, .chip {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
.tab.active, .chip.active { color: var(--text); border-color: var(--accent); }
.controls { display: flex; gap: 6px; margin: 10px 0; }

.panel { display: none; }
.panel.active { display: block; }

/* ---------------------------------------------------------------- table -- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  margin-top: 10px;
}
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
th { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255, 255, 255, .03); }
td.empty { color: var(--muted); text-align: center; padding: 22px; }

footer { padding: 16px 20px; border-top: 1px solid var(--line); }