:root {
  --bg: #0b0b0f;
  --bg2: #12121a;
  --card: #181822;
  --border: #262630;
  --text: #d4d4d8;
  --muted: #71717a;
  --green: #22c55e;
  --red: #ef4444;
  --blue: #3b82f6;
  --yellow: #eab308;
  --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'SF Mono', SFMono-Regular, ui-monospace, Menlo, monospace;
  font-size: 13px;
  line-height: 1.5;
}

/* Nav */
nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 48px;
  gap: 32px;
}
nav .logo { font-weight: 700; font-size: 15px; letter-spacing: 0.5px; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  transition: color 0.15s;
}
nav a:hover, nav a.active { color: var(--text); }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
h1 { font-size: 18px; font-weight: 700; margin-bottom: 16px; }
h2 { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: var(--text); }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

/* Grid */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-label { font-size: 10px; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; letter-spacing: 0.5px; }
.stat-value { font-size: 20px; font-weight: 700; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { text-align: left; padding: 8px 12px; background: var(--bg2); color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); }
td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
tr:hover td { background: rgba(255,255,255,0.02); }
.text-right { text-align: right; }
.text-center { text-align: center; }

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
}
.badge-red { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-yellow { background: rgba(234,179,8,0.15); color: var(--yellow); }
.badge-green { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-blue { background: rgba(59,130,246,0.15); color: var(--blue); }

/* Forms */
.form-row { display: flex; gap: 8px; margin-bottom: 20px; }
select, input[type="text"] {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 12px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
}
select:focus, input[type="text"]:focus { border-color: var(--blue); }
input[type="text"] { flex: 1; }
button {
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 8px 20px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
button:hover { background: #2563eb; }
button:disabled { opacity: 0.5; cursor: default; }

/* Symbol pills */
.pills { display: flex; gap: 6px; margin-bottom: 16px; }
.pill {
  padding: 4px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  background: transparent;
  color: var(--muted);
}
.pill:hover { border-color: var(--blue); color: var(--text); }
.pill.active { border-color: var(--blue); color: var(--blue); background: rgba(59,130,246,0.1); }

/* Signal card */
.signal { padding: 12px 16px; }
.signal-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.signal-symbol { font-size: 11px; font-weight: 700; color: var(--blue); }
.signal-cat { font-size: 10px; text-transform: uppercase; color: var(--muted); }
.signal-title { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.signal-desc { font-size: 11px; color: var(--muted); line-height: 1.6; }

/* Strategy card */
.strat-row {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.1s;
}
.strat-row:hover { background: rgba(255,255,255,0.02); }
.strat-detail { padding: 0 16px 16px; display: none; }
.strat-detail.open { display: block; }
.strat-legs { margin-bottom: 12px; }
.strat-leg { font-size: 12px; margin-bottom: 4px; }
.strat-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.metric { font-size: 11px; }
.metric-label { color: var(--muted); font-size: 10px; }

/* Loading */
.loading { text-align: center; padding: 40px; color: var(--muted); }
.error { color: var(--red); padding: 16px; border: 1px solid rgba(239,68,68,0.3); border-radius: var(--radius); background: rgba(239,68,68,0.05); margin-bottom: 12px; }

/* Plotly overrides */
.js-plotly-plot .plotly .modebar { display: none !important; }