*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0a0f1e;
  color: #e5e7eb;
  font-size: 14px;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Header ── */
.header { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
h1 { margin: 0; font-size: 1.4rem; font-weight: 700; color: #f1f5f9; }
h2 { margin: 0 0 12px; font-size: 1rem; font-weight: 600; color: #94a3b8; }

.status { margin: 0; color: #64748b; font-size: 0.85rem; }
.error  { color: #ef4444; }

/* ── Card ── */
.card {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 10px;
  padding: 18px 20px;
}

/* ── Position card ── */
.position-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.position-badge {
  font-size: 1rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
}
.position-badge.long { background: rgba(34,197,94,0.15); color: #22c55e; border: 1px solid #22c55e; }
.position-badge.flat { background: rgba(100,116,139,0.15); color: #94a3b8; border: 1px solid #475569; }

.return-badge {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}
.return-badge.positive { color: #22c55e; background: rgba(34,197,94,0.1); }
.return-badge.negative { color: #ef4444; background: rgba(239,68,68,0.1); }

/* ── Stat grid ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.stat {
  background: #0b1220;
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 10px 12px;
}
.stat.danger    { border-color: rgba(239,68,68,0.4); background: rgba(239,68,68,0.05); }
.stat.highlight { border-color: rgba(59,130,246,0.4); background: rgba(59,130,246,0.05); }

.stat-label { font-size: 0.72rem; color: #64748b; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.stat-value { font-size: 0.95rem; font-weight: 600; color: #f1f5f9; }

/* ── Charts ── */
#chart-container { display: flex; flex-direction: column; gap: 6px; }
#ohlc-chart, #equity-chart { width: 100%; border-radius: 8px; overflow: hidden; }

/* ── PNG fallback ── */
#plot-img { width: 100%; border-radius: 8px; border: 1px solid #1e293b; display: block; }

/* ── Raw report ── */
pre {
  background: #050a14;
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 14px;
  overflow: auto;
  font-size: 0.8rem;
  color: #94a3b8;
  max-height: 400px;
  margin: 0;
}

.hidden { display: none !important; }