:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --line: #e2e8f0;
  --ok: #059669;
  --bad: #dc2626;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -10%, #dbeafe 0%, transparent 50%),
    radial-gradient(900px 500px at 100% 0%, #e0e7ff 0%, transparent 45%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; gap: .75rem; align-items: center; }
.brand img.icon, .icon { width: 40px; height: 40px; }
.brand img.word { height: 28px; }
.brand .sub, .sub { color: var(--muted); font-size: .85rem; }
.header-actions { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
main { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }
h1 { font-size: 1.35rem; margin: 0 0 .25rem; }
h2 { margin: 0 0 .75rem; font-size: 1.05rem; }
h3.chart-title { margin: 0 0 .5rem; font-size: .9rem; color: var(--muted); font-weight: 600; }
.lead { color: var(--muted); margin: 0 0 1rem; }
.hero-actions {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem 1.15rem;
  box-shadow: 0 8px 24px rgba(15,23,42,.04);
}
.metric { font-size: 1.7rem; font-weight: 700; letter-spacing: -.02em; }
.meta { color: var(--muted); font-size: .9rem; margin-top: .2rem; }
.meta.reason { margin-top: .7rem; }
.chip {
  display: inline-block;
  padding: .2rem .55rem;
  border-radius: 999px;
  background: #eff6ff;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 600;
}
.chip.warn { background: #fef2f2; color: var(--bad); }
.chip.ok { background: #ecfdf5; color: var(--ok); }
.hidden { display: none !important; }
ul.legs { margin: .6rem 0 0; padding: 0; list-style: none; }
ul.legs li {
  display: flex; justify-content: space-between; gap: .5rem;
  padding: .35rem 0; border-top: 1px dashed var(--line); font-size: .95rem;
}
.btn, button.btn {
  display: inline-block; text-align: center; text-decoration: none; cursor: pointer;
  border: none; border-radius: 14px; padding: 1rem 1.1rem; font-size: 1.05rem;
  font-weight: 650; color: white; background: var(--accent);
  box-shadow: 0 10px 20px rgba(37,99,235,.22);
}
.btn.sm { padding: .55rem .9rem; font-size: .9rem; border-radius: 12px; }
.btn.ghost {
  background: white; color: var(--ink); border: 1px solid var(--line); box-shadow: none;
}
.login {
  max-width: 380px; margin: 12vh auto; background: var(--card);
  border: 1px solid var(--line); border-radius: 18px; padding: 1.5rem;
}
.brand-row { display: flex; gap: .75rem; align-items: center; margin-bottom: 1rem; }
.login input {
  width: 100%; padding: .8rem .9rem; border-radius: 10px; border: 1px solid var(--line);
  font-size: 1rem; margin: .75rem 0 1rem;
}
.err { color: var(--bad); font-size: .9rem; }
.err-box {
  background: #fef2f2; color: var(--bad); border: 1px solid #fecaca;
  border-radius: 12px; padding: .75rem 1rem; margin-bottom: 1rem;
}
.strategy-block h3 { margin: 0 0 .4rem; font-size: 1rem; }
.strategy-block p { margin: 0 0 .5rem; color: var(--muted); font-size: .92rem; line-height: 1.4; }
.knob-list { margin: 0; padding-left: 1.1rem; color: var(--ink); font-size: .88rem; }
.knob-list li { margin: .15rem 0; }
.table-wrap { overflow-x: auto; }
table.feed { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.feed th, table.feed td {
  text-align: left; padding: .45rem .35rem; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.feed th { color: var(--muted); font-weight: 600; font-size: .8rem; }
footer { text-align: center; color: var(--muted); padding: 2rem 1rem; font-size: .85rem; }
footer a { color: var(--accent); }

/* Embedded Open WebUI */
body.chat-shell {
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
body.chat-shell header { position: relative; flex: 0 0 auto; }
.chat-frame-wrap {
  flex: 1 1 auto;
  min-height: 0;
  background: #0b1220;
}
.chat-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

@media (max-width: 640px) {
  .metric { font-size: 1.4rem; }
  header { flex-direction: column; align-items: flex-start; }
}