/* Auto Trading Dashboard — light/dark theme, palette per dataviz reference */
:root {
  color-scheme: light dark;
  --surface-1: #fcfcfb;
  --page: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;   /* equity */
  --series-2: #eb6834;   /* balance */
  --good-text: #006300;
  --bad: #d03b3b;
  --warning: #fab219;
  --status-good: #0ca30c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --surface-1: #1a1a19;
    --page: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-2: #d95926;
    --good-text: #0ca30c;
    --bad: #d03b3b;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
}
a { color: var(--series-1); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px; background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 650; }
.nav-links a { margin-left: 18px; color: var(--text-secondary); }
.nav-links .who { margin-left: 18px; color: var(--muted); }

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

h1 { font-size: 20px; font-weight: 650; margin: 8px 0 16px; }
h2 { font-size: 15px; font-weight: 650; margin: 28px 0 10px; color: var(--text-secondary); }

/* status pill */
.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-secondary);
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 12px;
  background: var(--surface-1);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.online { background: var(--status-good); }
.dot.offline { background: var(--bad); }

/* stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 16px 0; }
.tile {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 16px;
}
.tile .label { font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.tile .value { font-size: 24px; font-weight: 650; }
.tile .sub { font-size: 12.5px; color: var(--text-secondary); margin-top: 2px; }
.value.pos { color: var(--good-text); }
.value.neg { color: var(--bad); }

/* card / chart */
.card {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px;
}
.chart-wrap { position: relative; height: 320px; }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th {
  text-align: left; color: var(--muted); font-weight: 500;
  border-bottom: 1px solid var(--baseline); padding: 6px 8px;
}
td { padding: 7px 8px; border-bottom: 1px solid var(--grid); font-variant-numeric: tabular-nums; }
td.pos { color: var(--good-text); }
td.neg { color: var(--bad); }
.type-buy { color: var(--series-1); font-weight: 550; }
.type-sell { color: var(--series-2); font-weight: 550; }

/* forms */
.form-card { max-width: 420px; margin: 8vh auto 0; }
label { display: block; font-size: 13px; color: var(--text-secondary); margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password] {
  width: 100%; padding: 9px 10px; border: 1px solid var(--baseline);
  border-radius: 8px; background: var(--page); color: var(--text-primary); font-size: 14px;
}
button {
  margin-top: 16px; padding: 9px 18px; border: none; border-radius: 8px;
  background: var(--series-1); color: #fff; font-size: 14px; font-weight: 550; cursor: pointer;
}
button.danger { background: var(--bad); }
button.ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--baseline); }
.error { color: var(--bad); font-size: 13.5px; margin-top: 10px; }
.ok-msg { color: var(--good-text); font-size: 13.5px; margin-top: 10px; }
.hint { color: var(--muted); font-size: 12.5px; }
.row-inline { display: flex; gap: 10px; align-items: center; }