:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --primary: #387ed1;
  --primary-hover: #2f6fbf;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --analyst: #60a5fa;
  --decider: #fbbf24;
  --executor: #34d399;
  --system: #94a3b8;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: linear-gradient(160deg, #0b1020 0%, #121a28 40%, #0f1419 100%);
  color: var(--text);
  min-height: 100vh;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 16px 32px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

h1 { margin: 0 0 2px; font-size: 1.4rem; font-weight: 700; }
.subtitle { margin: 0; color: var(--muted); font-size: 0.85rem; }

.session {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  white-space: nowrap;
}

.dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot.online { background: var(--success); box-shadow: 0 0 8px var(--success); }
.dot.offline { background: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}

h2 { margin: 0 0 12px; font-size: 1rem; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn.primary { background: var(--primary); color: white; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.primary:disabled, .btn.secondary:disabled, .btn.danger:disabled { opacity: 0.65; cursor: not-allowed; }

.btn.secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.danger {
  background: #7f1d1d;
  color: #fecaca;
}

.btn.danger:hover { background: #991b1b; }

.btn.abort {
  background: #dc2626;
  color: white;
  font-weight: 700;
  border: 2px solid #ef4444;
}

.btn.abort:hover { background: #b91c1c; }

.btn.is-loading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: wait;
}

.btn-spinner {
  width: 12px; height: 12px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.65s linear infinite;
  flex-shrink: 0;
}

@keyframes btn-spin { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

/* --- Config Form --- */

.config-form {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.config-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--muted);
}

.config-form input, .config-form select {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.9rem;
}

.config-form input:focus, .config-form select:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}

/* --- Control bar --- */

.control-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* --- Session stats --- */

.session-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  text-align: center;
}

.stat-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.stat-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-value.positive { color: var(--success); }
.stat-value.negative { color: var(--error); }
.stat-value.muted { color: var(--muted); }

/* --- Agent lanes --- */

.agent-lanes-analyst {
  margin-bottom: 10px;
}

.agent-lanes-lower {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.agent-lane {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  min-height: 160px;
}

.analyst-lane-wide {
  width: 100%;
}

.analyst-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.indicator-toggle {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  padding: 6px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.15s, color 0.15s;
}

.indicator-toggle:hover {
  background: var(--surface-2);
  color: var(--text);
}

.indicator-toggle .toggle-arrow {
  transition: transform 0.2s;
  font-size: 0.7rem;
}

.indicator-toggle.open .toggle-arrow {
  transform: rotate(180deg);
}

.indicator-details {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 8px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.indicator-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.indicator-group-title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--analyst);
  margin-bottom: 2px;
}

.indicator-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--muted);
  gap: 4px;
}

.indicator-row span:last-child {
  color: var(--text);
  font-weight: 600;
  text-align: right;
}

.analyst-news {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
  max-height: 160px;
  overflow-y: auto;
}

.news-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.72rem;
  padding: 4px 6px;
  border-radius: 4px;
  background: var(--surface-2);
  line-height: 1.4;
}

.news-title {
  flex: 1;
  color: var(--text);
}

.news-meta {
  flex-shrink: 0;
  text-align: right;
  font-size: 0.65rem;
  color: var(--muted);
  white-space: nowrap;
}

.news-source { font-weight: 600; }

.news-empty {
  font-size: 0.72rem;
  color: var(--muted);
  font-style: italic;
}

.ann-item {
  font-size: 0.72rem;
  padding: 4px 6px;
  border-radius: 4px;
  background: var(--surface-2);
  border-left: 2px solid var(--warning);
  line-height: 1.4;
  color: var(--text);
}

.ann-date {
  font-size: 0.65rem;
  color: var(--muted);
}

.analyst-reasoning {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.reasoning-text {
  margin: 4px 0 0;
  font-size: 0.78rem;
  color: var(--text);
  line-height: 1.5;
  font-style: italic;
}

.lane-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.lane-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.lane-dot.analyst { background: var(--analyst); box-shadow: 0 0 6px var(--analyst); }
.lane-dot.decider { background: var(--decider); box-shadow: 0 0 6px var(--decider); }
.lane-dot.executor { background: var(--executor); box-shadow: 0 0 6px var(--executor); }
.lane-dot.idle { background: var(--muted); box-shadow: none; }
.lane-dot.error { background: var(--error); box-shadow: 0 0 6px var(--error); }

.lane-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lane-title.analyst { color: var(--analyst); }
.lane-title.decider { color: var(--decider); }
.lane-title.executor { color: var(--executor); }

.lane-state {
  font-size: 0.7rem;
  color: var(--muted);
  margin-left: auto;
  text-transform: uppercase;
  font-weight: 600;
}

.lane-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lane-metric {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--muted);
}

.lane-metric-value {
  color: var(--text);
  font-weight: 600;
}

.lane-metric-value.positive { color: var(--success); }
.lane-metric-value.negative { color: var(--error); }
.lane-metric-value.bullish { color: var(--success); }
.lane-metric-value.bearish { color: var(--error); }
.lane-metric-value.neutral { color: var(--warning); }

/* --- Activity log --- */

.activity-log {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}

.log-entry {
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  line-height: 1.4;
  border-left: 3px solid var(--border);
  background: var(--surface-2);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.log-entry .log-time {
  font-size: 0.68rem;
  color: var(--muted);
  flex-shrink: 0;
  min-width: 55px;
}

.log-entry .log-agent {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  flex-shrink: 0;
  min-width: 54px;
}

.log-agent.analyst { color: var(--analyst); }
.log-agent.decider { color: var(--decider); }
.log-agent.executor { color: var(--executor); }
.log-agent.system { color: var(--system); }

.log-entry.info { border-left-color: var(--primary); }
.log-entry.success { border-left-color: var(--success); }
.log-entry.warning { border-left-color: var(--warning); }
.log-entry.error { border-left-color: var(--error); }
.log-entry.decision { border-left-color: var(--decider); background: #2a2000; }

.log-message { flex: 1; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 4px;
}

/* --- Profit preview (config form) --- */

.profit-preview-mini {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.profit-preview-mini strong { color: var(--text); }

/* --- Responsive --- */

@media (max-width: 900px) {
  .config-form { grid-template-columns: repeat(2, 1fr); }
  .agent-lanes-lower { grid-template-columns: 1fr; }
  .analyst-summary-grid { grid-template-columns: repeat(2, 1fr); }
  .indicator-details { grid-template-columns: repeat(2, 1fr); }
  .session-stats { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  header { flex-direction: column; }
  .session { width: 100%; justify-content: space-between; }
  .config-form { grid-template-columns: 1fr 1fr; }
  .session-stats { grid-template-columns: repeat(2, 1fr); }
}