:root {
  --bg: #f6f7f9; --panel: #ffffff; --text: #1d232b; --muted: #66707c; --line: #e3e6ea;
  --accent: #2f6fdb; --ok: #1f8a4c; --bad: #c2362f; --warn: #b7791f; --chip: #eef1f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161b; --panel: #1a2027; --text: #e6e9ed; --muted: #95a0ac; --line: #2a323b;
    --accent: #6ea0ff; --ok: #4cc488; --bad: #ff6b62; --warn: #f0b24a; --chip: #232b34;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
header { background: var(--panel); border-bottom: 1px solid var(--line); }
.bar { max-width: 1180px; margin: 0 auto; padding: 10px 16px; display: flex; gap: 18px;
  align-items: center; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: .2px; }
nav a { color: var(--muted); text-decoration: none; margin-right: 14px; }
nav a.on, nav a:hover { color: var(--text); }
.spacer { flex: 1; }
main { max-width: 1180px; margin: 0 auto; padding: 18px 16px 48px; }
h1 { font-size: 20px; margin: 4px 0 14px; }
h2 { font-size: 15px; margin: 0 0 10px; color: var(--muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: .4px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; margin-bottom: 12px; overflow-x: auto; }
.stat { font-size: 24px; font-weight: 650; font-variant-numeric: tabular-nums; }
.sub { color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 999px; background: var(--chip);
  font-size: 12px; margin: 1px 4px 1px 0; }
.ok { color: var(--ok); } .bad { color: var(--bad); } .warn { color: var(--warn); }
/* profit / loss */
.pos { color: var(--ok); } .neg { color: var(--bad); }
.spark.pos { color: var(--ok); } .spark.neg { color: var(--bad); }
.banner { border-radius: 10px; padding: 10px 14px; margin-bottom: 12px; border: 1px solid var(--line); }
.banner.bad { background: color-mix(in srgb, var(--bad) 12%, var(--panel)); color: var(--text); }
.banner.warn { background: color-mix(in srgb, var(--warn) 14%, var(--panel)); color: var(--text); }
.spark { width: 100%; height: 140px; color: var(--accent); }
progress { width: 100%; height: 8px; margin: 4px 0 8px; accent-color: var(--accent); }
pre { white-space: pre-wrap; font-size: 13px; margin: 0; }
.thesis { color: var(--muted); font-size: 13px; max-width: 560px; }
button, input { font: inherit; }
.login { max-width: 360px; margin: 12vh auto; }
.login input { width: 100%; padding: 9px 10px; margin: 4px 0 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text); }
.btn { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--accent);
  color: #fff; cursor: pointer; }
.link { background: none; border: none; color: var(--muted); cursor: pointer; padding: 0; }
.err { color: var(--bad); margin-bottom: 10px; }

.schedule { border-top: 1px solid var(--line); padding-top: 8px; padding-bottom: 8px; font-size: 14px; }
.schedule .count { font-variant-numeric: tabular-nums; font-size: 16px; color: var(--accent); }
progress.cycle { flex: 0 1 180px; height: 6px; margin: 0; }

/* semantic chips (Cycles tab) */
.chip.long, .chip.approve, .chip.completed, .chip.closed-ok { background: color-mix(in srgb, var(--ok) 18%, var(--panel)); color: var(--ok); }
.chip.short, .chip.veto, .chip.failed, .chip.error, .chip.timeout, .chip.cancelled, .chip.interrupted { background: color-mix(in srgb, var(--bad) 16%, var(--panel)); color: var(--bad); }
.chip.resize, .chip.running, .chip.stale, .chip.budget { background: color-mix(in srgb, var(--warn) 18%, var(--panel)); color: var(--warn); }
.chip.flat, .chip.closed { color: var(--muted); }
.chip.paper { background: color-mix(in srgb, var(--accent) 18%, var(--panel)); color: var(--accent); }
.conf-high { font-weight: 700; }
.conf-low { color: var(--muted); }
.decision { margin-top: 6px; }
.card.has-trade { border-left: 3px solid var(--ok); }
.card.has-setup { border-left: 3px solid var(--warn); }

ul.components { list-style: none; margin: 0; padding: 0; }
ul.components li { padding: 2px 0; }
.comp-problem { display: block; margin-left: 18px; font-size: 13px; }
/* section headings between groups of cards */
h2.section { margin: 22px 0 6px; font-size: 18px; }