:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --success: #3fb950;
  --warn: #d29922;
  --error: #f85149;
  --critical: #ff4444;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', monospace;
  font-size: 14px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header h1 { font-size: 18px; color: var(--accent); }
#last-updated { color: var(--muted); font-size: 12px; }

main { padding: 24px; max-width: 1200px; margin: 0 auto; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.card-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.card-value { font-size: 22px; font-weight: 600; margin-top: 6px; font-variant-numeric: tabular-nums; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.panel h2 { font-size: 15px; margin-bottom: 16px; color: var(--text); }
.danger-panel { border-color: var(--error); }

.muted { color: var(--muted); }

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
td { padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
tr:last-child td { border-bottom: none; }

.severity-INFO  { color: var(--accent); }
.severity-WARN  { color: var(--warn); }
.severity-ERROR { color: var(--error); }
.severity-CRITICAL { color: var(--critical); font-weight: bold; animation: pulse 1.5s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.state-IDLE           { color: var(--muted); }
.state-ENTRY_PENDING  { color: var(--warn); }
.state-POSITION_OPEN  { color: var(--success); }
.state-EXIT_PENDING   { color: var(--warn); }
.state-ERROR          { color: var(--error); }

.ks-active   { color: var(--critical); font-weight: bold; }
.ks-inactive { color: var(--success); }

.button-row { display: flex; gap: 10px; margin-top: 12px; }
.filter-row { margin-bottom: 12px; }

.btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}
.btn:hover { background: var(--border); }
.btn-danger { border-color: var(--error); color: var(--error); }
.btn-danger:hover { background: rgba(248, 81, 73, 0.15); }
.btn-warn { border-color: var(--warn); color: var(--warn); }
.btn-warn:hover { background: rgba(210, 153, 34, 0.15); }

.hidden { display: none !important; }

#modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: 400px;
  max-width: 95vw;
}

.modal h3 { margin-bottom: 12px; }
.modal p { color: var(--muted); margin-bottom: 16px; font-size: 13px; }
.modal label { display: block; margin-bottom: 10px; }
.modal input {
  width: 100%;
  margin-top: 4px;
  padding: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
}

.position-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.position-item label { font-size: 11px; color: var(--muted); }
.position-item span { display: block; font-size: 15px; font-weight: 500; }