:root {
  --bg: #0f1216; --panel: #181d24; --panel2: #1f2630; --ink: #e6e9ee; --muted: #8a94a3;
  --green: #2ca02c; --red: #d62728; --accent: #ff7f0e; --blue: #4f8cff; --line: #2a323d;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.45 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
#app { max-width: 1100px; margin: 0 auto; padding: 0 16px 48px; }
#topbar { display: flex; align-items: center; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg); z-index: 5; flex-wrap: wrap; }
#topbar .brand { font-weight: 700; font-size: 16px; }
#topbar .spacer { flex: 1; }
#statusbar { margin-top: 24px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); padding-top: 8px; }
.muted { color: var(--muted); }
.green { color: var(--green); } .red { color: var(--red); } .accent { color: var(--accent); }
button { background: var(--panel2); color: var(--ink); border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 12px; cursor: pointer; font-size: 13px; }
button:hover:not(:disabled) { border-color: var(--blue); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.primary { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }
button.buy { border-color: var(--green); } button.sell { border-color: var(--red); }
input, select { background: var(--panel); color: var(--ink); border: 1px solid var(--line);
  border-radius: 6px; padding: 6px 8px; font-size: 13px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.panel h3 { margin: 0 0 10px; font-size: 14px; }
.kv { display: flex; justify-content: space-between; gap: 8px; padding: 2px 0; }
.kv span:first-child { color: var(--muted); }
.big { font-size: 22px; font-weight: 700; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; }
tr.me { background: rgba(79,140,255,0.12); }
tr.house td { color: var(--muted); font-style: italic; }
.tabs { display: flex; gap: 6px; }
.tabs button.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); }
.err { color: var(--red); font-size: 12px; }
.ok { color: var(--green); }
#banner:empty { display: none; }
.flash { display: flex; align-items: center; gap: 10px; margin: 12px 0 0; padding: 10px 12px;
  border-radius: 8px; font-size: 14px; }
.flash.err { background: rgba(214,39,40,0.14); border: 1px solid var(--red); color: #ffb3b3; }
.flash.ok { background: rgba(44,160,44,0.14); border: 1px solid var(--green); color: #b7f0b7; }
.flash input { font-family: monospace; }
.flash .flash-x { background: transparent; border: none; color: inherit; font-size: 16px; padding: 0 4px; }
svg.chart { width: 100%; height: 160px; background: var(--panel2); border-radius: 8px; }
.curvegrid { display: grid; gap: 1px; align-items: end; height: 120px; background: var(--panel2);
  border-radius: 8px; padding: 6px; grid-auto-flow: column; }
.curvebar { background: var(--blue); min-height: 1px; cursor: ns-resize; border-radius: 2px 2px 0 0; }