:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-card-hover: #1c2128;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --green: #3fb950;
  --green-bg: rgba(63, 185, 80, 0.12);
  --red: #f85149;
  --red-bg: rgba(248, 81, 73, 0.12);
  --yellow: #d29922;
  --yellow-bg: rgba(210, 153, 34, 0.12);
  --blue: #58a6ff;
  --blue-bg: rgba(88, 166, 255, 0.12);
  --purple: #bc8cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
}

code, pre {
  font-family: "SF Mono", Monaco, Menlo, Consolas, "Courier New", monospace;
  background: #21262d;
  border-radius: 4px;
  padding: 0.1em 0.35em;
  font-size: 0.9em;
}
pre {
  padding: 1rem;
  overflow-x: auto;
  line-height: 1.4;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Topbar */
.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-logo { font-size: 2rem; }
.brand h1 { margin: 0; font-size: 1.25rem; }
.brand-sub { color: var(--text-muted); font-size: 0.85rem; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.updated { color: var(--text-muted); font-size: 0.85rem; }
#refreshBtn {
  background: var(--blue-bg);
  border: 1px solid var(--blue);
  color: var(--blue);
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
}
#refreshBtn:hover { background: var(--blue); color: white; }
#refreshBtn:disabled { opacity: 0.5; cursor: wait; }

/* Main layout */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* KPIs */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.kpi {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}
.kpi-label {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kpi-value {
  font-size: 1.6rem;
  font-weight: 600;
  margin-top: 0.3rem;
  font-feature-settings: "tnum";
}
.kpi-sub {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}
.kpi.pos .kpi-value { color: var(--green); }
.kpi.neg .kpi-value { color: var(--red); }
.kpi.warn .kpi-value { color: var(--yellow); }

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
}
.card h2 {
  margin: 0 0 0.75rem 0;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.card h3 {
  margin: 1rem 0 0.5rem 0;
  font-size: 0.95rem;
  color: var(--blue);
}
.card p { margin: 0.5rem 0; }
.card ul { margin: 0.5rem 0; padding-left: 1.5rem; }
.card li { margin: 0.25rem 0; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.muted { color: var(--text-muted); font-size: 0.9rem; }

/* Posición abierta */
.open-position {
  background: var(--bg-card-hover);
  border-left: 3px solid var(--yellow);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-feature-settings: "tnum";
}
.open-position dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  margin: 0;
}
.open-position dt { color: var(--text-muted); }
.open-position dd { margin: 0; font-weight: 500; }
.open-position .pnl-pos { color: var(--green); }
.open-position .pnl-neg { color: var(--red); }

.last-signal {
  background: var(--bg-card-hover);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  border-left: 3px solid var(--blue);
}
.last-signal strong { font-size: 1.1rem; }

/* Workflow list */
.workflow-list { list-style: none; padding: 0 !important; }
.workflow-list li {
  background: var(--bg-card-hover);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.5rem;
}
.badge-ok { background: var(--green-bg); color: var(--green); }
.badge-warn { background: var(--yellow-bg); color: var(--yellow); }
.badge-err { background: var(--red-bg); color: var(--red); }
.badge-info { background: var(--blue-bg); color: var(--blue); }

.tag {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.tag-bull { background: var(--green-bg); color: var(--green); }
.tag-bear { background: var(--red-bg); color: var(--red); }
.tag-buy { background: var(--green-bg); color: var(--green); }
.tag-standby { background: var(--yellow-bg); color: var(--yellow); }
.tag-no-signal { background: var(--bg-card-hover); color: var(--text-muted); }

/* Chart */
.chart-wrap {
  position: relative;
  height: 420px;
  margin-top: 0.5rem;
}

/* Tables */
.table-scroll { overflow-x: auto; margin-top: 0.5rem; }
table {
  width: 100%;
  border-collapse: collapse;
  font-feature-settings: "tnum";
  font-size: 0.85rem;
}
thead th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  background: var(--bg-card-hover);
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
tbody td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr:hover { background: var(--bg-card-hover); }
tbody tr.win td { border-left: none; }
.pnl-pos { color: var(--green); font-weight: 500; }
.pnl-neg { color: var(--red); font-weight: 500; }
.pnl-zero { color: var(--text-muted); }

#tradesTable tr.open-row { background: rgba(210, 153, 34, 0.05); }
#tradesTable tr.open-row td:first-child::after {
  content: " 🟡";
  font-size: 0.8em;
}

/* Strategy params */
#strategyParams table {
  width: auto;
  margin-top: 0.5rem;
}
#strategyParams th, #strategyParams td {
  padding: 0.4rem 0.75rem;
}

/* Schema grid */
.schema-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}
.schema-grid > div {
  background: var(--bg-card-hover);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.schema-grid h3 {
  margin-top: 0;
  color: var(--purple);
}
.schema-cols {
  font-family: "SF Mono", Monaco, Menlo, monospace;
  font-size: 0.8rem;
  padding-left: 1rem !important;
}
.schema-cols strong { color: var(--blue); }

/* ASCII flow */
.ascii-flow {
  background: #0a0f15;
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.35;
  border: 1px solid var(--border);
}

/* Code blocks */
.code-block {
  background: #0a0f15;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.8rem;
  user-select: all;
}

/* Footer */
footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 2rem 1rem 3rem;
}

/* Loading / error states */
.loading { opacity: 0.5; pointer-events: none; }
.error-banner {
  background: var(--red-bg);
  border: 1px solid var(--red);
  color: var(--red);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}