:root {
  --bg: #08070e;
  --bg-card: #12101d;
  --bg-elevated: #1b182c;
  --border: #2d2747;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --gitlab-orange: #fc6d26;
  --gitlab-amber: #fca326;
  --gitlab-purple: #6b4fbb;
  --emerald: #10b981;
  --cyan: #06b6d4;
  --crimson: #ef4444;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background: radial-gradient(circle at 12% 0%, rgba(252, 109, 38, 0.14), transparent 36%),
              radial-gradient(circle at 88% 8%, rgba(16, 185, 129, 0.12), transparent 40%),
              var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.5;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background: rgba(18, 16, 29, 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 40;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gitlab-orange), var(--gitlab-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 0 22px rgba(252, 109, 38, 0.45);
}

.brand-eyebrow {
  font-size: 10.5px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--gitlab-amber);
  font-weight: 700;
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.version-pill {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #34d399;
  font-family: var(--font-mono);
  margin-left: 8px;
  vertical-align: middle;
}

.telemetry-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.metric-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 9.5px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.metric-val {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.accent-emerald { color: var(--emerald); }
.accent-cyan { color: var(--cyan); }
.accent-amber { color: var(--gitlab-amber); }
.accent-crimson { color: var(--crimson); }
.mono { font-family: var(--font-mono); }

.btn-tour, .btn-primary {
  background: linear-gradient(135deg, var(--gitlab-orange), #e24329);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(252, 109, 38, 0.35);
  transition: transform 0.15s ease;
}

.btn-tour:hover, .btn-primary:hover {
  transform: translateY(-1px);
}

.scenario-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 28px;
  background: rgba(27, 24, 44, 0.78);
  border-bottom: 1px solid var(--border);
  gap: 16px;
  flex-wrap: wrap;
}

.scenario-controls, .guardrail-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.control-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-weight: 600;
}

.scenario-select, .mini-select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.status-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
}

.status-pass {
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #34d399;
}

.tab-nav {
  display: flex;
  gap: 8px;
  padding: 14px 28px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(18, 16, 29, 0.55);
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-bottom: none;
  padding: 10px 16px;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn.active {
  background: var(--bg-elevated);
  color: #fff;
  border-color: var(--gitlab-orange);
  box-shadow: inset 0 2px 0 var(--gitlab-orange);
}

.tab-step {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gitlab-amber);
  background: rgba(252, 163, 38, 0.14);
  padding: 2px 6px;
  border-radius: 4px;
}

.main-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 28px 48px;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.grid-2col {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 18px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 12px;
}

.card-kicker {
  font-size: 10.5px;
  font-family: var(--font-mono);
  color: var(--gitlab-amber);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 3px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
}

.badge-emerald, .badge-cyan {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #34d399;
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.16);
  border: 1px solid rgba(6, 182, 212, 0.45);
  color: #22d3ee;
}

.scen-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.kpi-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: 9.5px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 4px;
}

.kpi-num {
  font-size: 16px;
  font-weight: 800;
  font-family: var(--font-mono);
}

.field-group {
  margin-top: 12px;
}

.field-label {
  display: block;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 6px;
}

.code-box, .json-viewer {
  background: #06050a;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #e2e8f0;
  overflow-x: auto;
  white-space: pre-wrap;
}

.mono-box {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #34d399;
  word-break: break-all;
}

.pipeline-stepper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stage-step-row {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--emerald);
  border-radius: 8px;
  padding: 9px 12px;
}

.stage-step-hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 3px;
}

.stage-step-desc {
  font-size: 12px;
  color: var(--text-muted);
}

.group-banner {
  background: linear-gradient(135deg, rgba(27, 24, 44, 0.95), rgba(18, 16, 29, 0.95));
  border: 1px solid var(--border);
  border-left: 4px solid var(--emerald);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 16px;
}

.group-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--emerald);
  font-weight: 700;
}

.group-banner h2 {
  font-size: 17px;
  margin-top: 3px;
}

.prob-bars, .span-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.span-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12.5px;
}

.telemetry-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.telemetry-table th, .telemetry-table td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.telemetry-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-elevated);
}

.mcp-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}