/* Paper Trading Bot — standalone static prototype. Vanilla CSS, no dependencies. */
:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel2: #1f232e;
  --border: #2c3140;
  --text: #e8eaf0;
  --muted: #9aa3b2;
  --green: #2fbf71;
  --red: #e5484d;
  --amber: #f5a524;
  --gold: #d4a017;
  --accent: #4f8cff;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}
a { color: var(--accent); }
button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { background: #3a1d1f; border-color: var(--red); color: #ffb3b5; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.on { background: var(--green); border-color: var(--green); color: #04140a; font-weight: 700; }
input, select {
  font: inherit;
  background: #10131a;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  width: 100%;
}
label { display: block; font-weight: 600; margin-bottom: 4px; }
small, .muted { color: var(--muted); }
.win { color: var(--green); font-weight: 700; }
.loss { color: var(--red); font-weight: 700; }
.warn { color: var(--amber); font-weight: 700; }

/* Banner + top bar */
.banner {
  background: var(--gold);
  color: #1a1400;
  text-align: center;
  font-weight: 800;
  padding: 8px 12px;
  letter-spacing: .04em;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #14161d;
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
}
.topbar .stat b { display: block; font-size: 18px; }
.topbar .stat span { font-size: 13px; color: var(--muted); }
.topbar .controls { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.statusline { padding: 8px 16px; color: var(--muted); border-bottom: 1px solid var(--border); }
.statusline.error { color: var(--red); }

main { max-width: 1400px; margin: 0 auto; padding: 16px; }
section.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}
section.panel h2 { margin: 0 0 10px; font-size: 20px; }
section.panel h3 { margin: 14px 0 8px; font-size: 17px; }
.grid3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.grid3 > div { min-width: 0; }
@media (max-width: 980px) {
  .grid3 { grid-template-columns: 1fr; }
  .topbar .controls { margin-left: 0; }
}
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .03em; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.token-row { cursor: pointer; }
.token-row.selected { background: var(--panel2); }
.token-row:hover { background: var(--panel2); }
.log {
  max-height: 420px;
  overflow-y: auto;
  font-size: 15px;
  background: #10131a;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.log div { padding: 3px 0; border-bottom: 1px solid #1e2230; }
.log .t { color: var(--muted); font-size: 13px; }
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}
.badge.pass { background: #123d26; color: #7be3a8; }
.badge.warn { background: #4a3605; color: #ffd479; }
.badge.fail { background: #4a1416; color: #ff9a9d; }
details { margin: 8px 0; }
details summary { cursor: pointer; font-weight: 700; padding: 6px 0; }
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.settings-grid .field small { display: block; font-weight: 400; margin-top: 2px; }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border-bottom: 1px solid var(--border); }
.kv span:first-child { color: var(--muted); }
canvas#equityChart { width: 100%; height: 220px; background: #10131a; border: 1px solid var(--border); border-radius: 8px; }
footer { max-width: 1400px; margin: 0 auto; padding: 8px 16px 40px; color: var(--muted); font-size: 14px; }
.pill { display: inline-block; background: var(--panel2); border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px; margin: 2px 4px 2px 0; font-size: 14px; }
.progress { height: 10px; background: #10131a; border-radius: 999px; overflow: hidden; border: 1px solid var(--border); }
.progress > div { height: 100%; background: var(--accent); }