/* vpeetla-demo-ui — production-grade demo shell (light SaaS)
   Override --vp-accent per product. Import Inter from Google Fonts in HTML/layout. */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  color-scheme: light;
  --vp-bg: #f4f6fb;
  --vp-bg-subtle: #eef2f9;
  --vp-surface: #ffffff;
  --vp-surface-hover: #f8fafc;
  --vp-border: #e2e8f0;
  --vp-border-strong: #cbd5e1;
  --vp-text: #0f172a;
  --vp-text-secondary: #475569;
  --vp-text-muted: #94a3b8;
  --vp-accent: #2563eb;
  --vp-accent-hover: #1d4ed8;
  --vp-accent-subtle: #eff6ff;
  --vp-accent-text: #ffffff;
  --vp-success: #059669;
  --vp-success-subtle: #ecfdf5;
  --vp-warning: #d97706;
  --vp-warning-subtle: #fffbeb;
  --vp-danger: #dc2626;
  --vp-danger-subtle: #fef2f2;
  --vp-radius: 12px;
  --vp-radius-sm: 8px;
  --vp-radius-lg: 16px;
  --vp-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.08);
  --vp-shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --vp-shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.1);
  --vp-font: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --vp-mono: ui-monospace, 'SF Mono', 'Cascadia Code', monospace;
  --vp-header-h: 64px;
  --vp-max-w: 1120px;
  --vp-transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);

  /* legacy aliases for existing demo class names */
  --bg: var(--vp-bg);
  --panel: var(--vp-surface);
  --surface: var(--vp-surface);
  --text: var(--vp-text);
  --muted: var(--vp-text-muted);
  --accent: var(--vp-accent);
  --border: var(--vp-border);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--vp-font);
  font-size: 15px;
  line-height: 1.6;
  background:
    radial-gradient(ellipse 90% 55% at 8% -10%, color-mix(in srgb, var(--vp-accent) 14%, transparent), transparent 55%),
    radial-gradient(ellipse 70% 45% at 92% 0%, color-mix(in srgb, var(--vp-accent) 8%, transparent), transparent 50%),
    var(--vp-bg);
  color: var(--vp-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── App shell ── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--vp-header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--vp-border);
}

.app-header__inner {
  max-width: var(--vp-max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.brand__mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--vp-accent), var(--vp-accent-hover));
  color: var(--vp-accent-text);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
  box-shadow: var(--vp-shadow);
}

.brand__text { min-width: 0; }

.brand__eyebrow {
  margin: 0;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vp-text-muted);
  line-height: 1.2;
}

.brand__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--vp-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.app-nav a {
  color: var(--vp-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--vp-radius-sm);
  transition: background var(--vp-transition), color var(--vp-transition);
}

.app-nav a:hover {
  background: var(--vp-bg-subtle);
  color: var(--vp-text);
}

.app-nav a.is-active {
  background: var(--vp-accent-subtle);
  color: var(--vp-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--vp-success-subtle);
  color: var(--vp-success);
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-dot 2s ease-in-out infinite;
}

.status-badge--warn {
  background: var(--vp-warning-subtle);
  color: var(--vp-warning);
  border-color: rgba(217, 119, 6, 0.2);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.app-main,
.shell {
  max-width: var(--vp-max-w);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.app-footer {
  border-top: 1px solid var(--vp-border);
  padding: 1.25rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--vp-text-muted);
  background: var(--vp-surface);
}

.app-footer a {
  color: var(--vp-accent);
  text-decoration: none;
}

.app-footer a:hover { text-decoration: underline; }

/* ── Page hero ── */
.page-hero {
  margin-bottom: 1.75rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--vp-text-muted);
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.lede,
.subtitle {
  margin: 0;
  color: var(--vp-text-secondary);
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.55;
}

/* ── Cards & panels ── */
.panel,
.card {
  background: var(--vp-surface);
  border: 1px solid var(--vp-border);
  border-radius: var(--vp-radius-lg);
  padding: 1.25rem 1.5rem;
  margin-top: 1rem;
  box-shadow: var(--vp-shadow);
}

.panel h2,
.card h2 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--vp-text);
}

.panel-heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.panel-heading h2 { margin: 0; }

/* ── Forms ── */
label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--vp-text-secondary);
  margin: 0.75rem 0 0.35rem;
}

label:first-child { margin-top: 0; }

textarea,
select,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="file"] {
  width: 100%;
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--vp-surface);
  color: var(--vp-text);
  border: 1px solid var(--vp-border-strong);
  border-radius: var(--vp-radius-sm);
  padding: 0.65rem 0.85rem;
  transition: border-color var(--vp-transition), box-shadow var(--vp-transition);
}

textarea:focus,
select:focus,
input:focus {
  outline: none;
  border-color: var(--vp-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

textarea { resize: vertical; min-height: 88px; }

input[type="file"] { padding: 0.5rem; font-size: 0.85rem; }

input[type="range"] {
  width: 100%;
  accent-color: var(--vp-accent);
}

/* ── Buttons ── */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--vp-radius-sm);
  padding: 0.65rem 1.1rem;
  cursor: pointer;
  transition: background var(--vp-transition), transform var(--vp-transition), box-shadow var(--vp-transition);
}

button,
.btn-primary {
  background: var(--vp-accent);
  color: var(--vp-accent-text);
  box-shadow: var(--vp-shadow);
}

button:hover:not(:disabled),
.btn-primary:hover:not(:disabled) {
  background: var(--vp-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--vp-shadow-md);
}

button:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

button.secondary,
button.ghost,
.btn-ghost {
  background: var(--vp-surface);
  color: var(--vp-text-secondary);
  border: 1px solid var(--vp-border-strong);
  box-shadow: none;
}

button.secondary:hover:not(:disabled),
button.ghost:hover:not(:disabled),
.btn-ghost:hover:not(:disabled) {
  background: var(--vp-bg-subtle);
  color: var(--vp-text);
  transform: none;
}

/* ── Layout helpers ── */
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.row-actions { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

.grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }

.stack { display: flex; flex-direction: column; gap: 0.75rem; }

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* ── Typography utilities ── */
.muted { color: var(--vp-text-muted); }
.microcopy { font-size: 0.8rem; color: var(--vp-text-muted); margin: 0.5rem 0 0; }

code {
  font-family: var(--vp-mono);
  font-size: 0.85em;
  background: var(--vp-bg-subtle);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  color: var(--vp-accent);
}

.hidden { display: none !important; }

/* ── Chips & flags ── */
.chip {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--vp-accent-subtle);
  color: var(--vp-accent);
  margin-right: 0.35rem;
}

.flags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }

.flag {
  background: var(--vp-danger-subtle);
  color: var(--vp-danger);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid rgba(220, 38, 38, 0.15);
}

/* ── Tables ── */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.compare-table th,
.compare-table td {
  border-bottom: 1px solid var(--vp-border);
  padding: 0.6rem 0.5rem;
  text-align: left;
}

.compare-table th {
  font-weight: 600;
  color: var(--vp-text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Trace / code blocks ── */
pre,
.trace,
.code-block {
  font-family: var(--vp-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--vp-bg-subtle);
  border: 1px solid var(--vp-border);
  border-radius: var(--vp-radius-sm);
  padding: 0.85rem 1rem;
  margin: 0.5rem 0 0;
  color: var(--vp-text-secondary);
  max-height: 320px;
  overflow: auto;
}

pre.rejected { border-color: rgba(220, 38, 38, 0.35); background: var(--vp-danger-subtle); }

.answer {
  white-space: pre-wrap;
  line-height: 1.6;
  min-height: 1.5em;
  font-size: 0.95rem;
}

.query-label {
  font-size: 0.85rem;
  color: var(--vp-accent);
  margin: 0.5rem 0;
  font-style: italic;
}

/* ── Agent pattern trace events ── */
.event {
  border-left: 3px solid var(--vp-accent);
  padding: 0.65rem 0.85rem;
  background: var(--vp-bg-subtle);
  border-radius: 0 var(--vp-radius-sm) var(--vp-radius-sm) 0;
  opacity: 0.4;
  transition: opacity 0.25s ease;
}

.event.live { opacity: 1; background: var(--vp-accent-subtle); }
.event.done { opacity: 1; border-left-color: var(--vp-success); }

/* ── Strategy comparison cards ── */
.strategy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }

.strategy-card {
  background: var(--vp-bg-subtle);
  border: 1px solid var(--vp-border);
  border-radius: var(--vp-radius);
  padding: 1rem;
}

.strategy-card h3 { margin: 0 0 0.35rem; font-size: 0.95rem; color: var(--vp-accent); }
.strategy-meta { font-size: 0.75rem; color: var(--vp-text-muted); margin-bottom: 0.5rem; }

/* ── Preference cards (DomainForge) ── */
.pref-card { border-top: 1px solid var(--vp-border); padding-top: 1rem; margin-top: 1rem; }
.pref-card:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
.pref-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.pref-grid h4 { margin: 0 0 0.35rem; font-size: 0.85rem; }

/* ── Alert / error ── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--vp-radius-sm);
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

.alert-error {
  background: var(--vp-danger-subtle);
  color: var(--vp-danger);
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.alert-info {
  background: var(--vp-accent-subtle);
  color: var(--vp-accent-hover);
  border: 1px solid rgba(37, 99, 235, 0.15);
}

/* ── Loading skeleton ── */
.skeleton {
  background: linear-gradient(90deg, var(--vp-bg-subtle) 25%, var(--vp-border) 50%, var(--vp-bg-subtle) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--vp-radius-sm);
  height: 1rem;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Responsive ── */
@media (max-width: 800px) {
  .grid,
  .grid-3,
  .strategy-grid,
  .pref-grid,
  .row { grid-template-columns: 1fr; }

  .app-nav { display: none; }

  .app-header__inner { padding: 0 1rem; }
}

/* Agent FinOps accent — cost / ledger */
:root {
  --vp-accent: #059669;
  --vp-accent-hover: #047857;
  --vp-accent-subtle: #ecfdf5;
}

.page-hero h1 {
  letter-spacing: -0.03em;
}

.workbench-tabs {
  margin-top: 0.25rem;
}

.api-hint { font-size: 0.8rem; margin-top: 0.75rem; word-break: break-all; }
.ingest-status { margin: 0.5rem 0 0; font-size: 0.85rem; display: block; }
.pipeline { font-size: 0.75rem; font-family: var(--vp-mono); color: var(--vp-text-secondary); margin: 0.5rem 0; }
.pipeline .on { color: var(--vp-accent); font-weight: 600; }
.pipeline .off { color: var(--vp-text-muted); text-decoration: line-through; }
.card-answer { font-size: 0.9rem; line-height: 1.45; margin-top: 0.5rem; }
.strategy-card .hits { font-size: 0.8rem; color: var(--vp-text-muted); margin: 0.5rem 0; }
.strategy-card .hits li { margin-bottom: 0.25rem; }
#citations { padding-left: 1.25rem; margin: 0.5rem 0; }
#citations li { margin-bottom: 0.35rem; font-size: 0.9rem; }

/* ── Glass-box workbench (architecture left · FinOps pipeline center · product right) ── */
:root {
  --gb-max-w: 1440px;
  --gb-rail-w: 248px;
  --gb-product-w: 400px;
  /* FinOps accent: deep teal (distinct from sibling blues) */
  --vp-accent: #0f766e;
  --vp-accent-hover: #115e59;
  --vp-accent-subtle: #ecfdf5;
}

.app-main.gb-shell,
.shell.gb-shell {
  max-width: none;
  padding: 1.5rem 0 3rem;
}

.gb-shell {
  max-width: var(--gb-max-w);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.gb-hero { margin-bottom: 1rem; }
.gb-hero h1 { margin: 0.15rem 0 0.35rem; font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
.gb-hero .lede { font-size: 0.92rem; max-width: 78ch; margin: 0; color: var(--vp-text-secondary); }

.gb-workbench {
  display: grid;
  grid-template-columns: var(--gb-rail-w) minmax(0, 1fr) var(--gb-product-w);
  gap: 1rem;
  align-items: start;
  min-height: 520px;
}

.gb-rail, .gb-center, .gb-product {
  background: var(--vp-surface);
  border: 1px solid var(--vp-border);
  border-radius: var(--vp-radius-lg);
  box-shadow: var(--vp-shadow);
}

.gb-rail {
  padding: 0.85rem 0.9rem;
  font-size: 0.78rem;
  max-height: calc(100vh - 120px);
  overflow: auto;
  position: sticky;
  top: calc(var(--vp-header-h) + 0.5rem);
}

.gb-rail-title {
  margin: 0.9rem 0 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vp-text-muted);
}
.gb-rail-title:first-child { margin-top: 0; }

.gb-stack-layer { padding: 0.45rem 0; border-bottom: 1px solid var(--vp-border); }
.gb-stack-tier { font-size: 0.62rem; font-weight: 700; color: var(--vp-accent); letter-spacing: 0.06em; }
.gb-stack-name { font-weight: 600; font-size: 0.8rem; line-height: 1.25; }
.gb-stack-role { color: var(--vp-text-muted); font-size: 0.72rem; line-height: 1.35; }

.gb-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; margin: 0.5rem 0 0.25rem; }
.gb-metric { background: var(--vp-bg-subtle); border: 1px solid var(--vp-border); border-radius: var(--vp-radius-sm); padding: 0.4rem 0.5rem; }
.gb-metric span { display: block; font-size: 0.62rem; color: var(--vp-text-muted); text-transform: uppercase; }
.gb-metric strong { font-size: 0.95rem; font-weight: 700; }
.gb-metrics-failed button { margin-top: 0.35rem; padding: 0.35rem 0.65rem; font-size: 0.75rem; }

.gb-tradeoff { margin-top: 0.5rem; padding: 0.45rem 0.5rem; background: var(--vp-bg-subtle); border-radius: var(--vp-radius-sm); border-left: 3px solid var(--vp-accent); }
.gb-tradeoff strong { display: block; font-size: 0.75rem; margin-bottom: 0.15rem; }
.gb-tradeoff p { margin: 0; font-size: 0.68rem; color: var(--vp-text-muted); line-height: 1.35; }

.gb-adr-links { list-style: none; padding: 0; margin: 0.35rem 0 0; }
.gb-adr-links a { display: block; font-size: 0.72rem; color: var(--vp-accent); text-decoration: none; padding: 0.2rem 0; }
.gb-adr-links a:hover { text-decoration: underline; }

.gb-center { padding: 0.85rem 1rem 1rem; display: flex; flex-direction: column; gap: 0.65rem; min-height: 480px; }
.gb-center-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; }
.gb-center-head h2 { margin: 0; font-size: 0.85rem; font-weight: 600; }

.gb-source-badge { font-size: 0.68rem; font-weight: 600; padding: 0.2rem 0.55rem; border-radius: 999px; background: var(--vp-bg-subtle); color: var(--vp-text-muted); border: 1px solid var(--vp-border); }
.gb-source-badge.live { background: var(--vp-success-subtle); color: var(--vp-success); border-color: rgba(5,150,105,0.25); }
.gb-source-badge.fallback { background: var(--vp-warning-subtle); color: var(--vp-warning); border-color: rgba(217,119,6,0.25); }

.gb-pipeline { display: flex; flex-wrap: wrap; align-items: stretch; gap: 0.35rem; }
.gb-agent-node {
  display: grid; grid-template-columns: auto 1fr auto; gap: 0.35rem 0.5rem; align-items: center;
  min-width: 120px; flex: 1 1 120px; padding: 0.45rem 0.55rem;
  border: 1.5px solid var(--vp-border-strong); border-radius: var(--vp-radius-sm);
  background: var(--vp-bg-subtle); transition: border-color 0.2s, background 0.2s, opacity 0.2s;
}
.gb-agent-node.gb-active { border-color: var(--vp-accent); background: var(--vp-accent-subtle); }
.gb-agent-node.gb-done { border-color: var(--vp-success); background: var(--vp-success-subtle); }
.gb-agent-node.gb-skipped { opacity: 0.4; }
.gb-agent-idx { font-size: 0.62rem; font-weight: 700; color: var(--vp-text-muted); }
.gb-agent-node strong { display: block; font-size: 0.75rem; line-height: 1.2; }
.gb-agent-node small { display: block; font-size: 0.6rem; color: var(--vp-text-muted); line-height: 1.3; }
.gb-agent-node em { font-style: normal; font-family: var(--vp-mono); font-size: 0.65rem; color: var(--vp-text-secondary); }
.gb-agent-arrow { align-self: center; color: var(--vp-text-muted); font-size: 0.75rem; }

.gb-gate {
  font-size: 0.75rem; padding: 0.45rem 0.65rem; background: var(--vp-accent-subtle);
  border: 1px solid color-mix(in srgb, var(--vp-accent) 25%, transparent);
  border-radius: var(--vp-radius-sm); color: var(--vp-text-secondary); line-height: 1.4;
}
.gb-event-log {
  font-family: var(--vp-mono); font-size: 0.68rem; max-height: 120px; overflow: auto;
  background: var(--vp-bg-subtle); border: 1px solid var(--vp-border); border-radius: var(--vp-radius-sm);
  padding: 0.45rem 0.55rem; color: var(--vp-text-muted);
}
.gb-event-log .ev-live { color: var(--vp-accent); }
.gb-ops-strip {
  display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; font-size: 0.72rem;
  color: var(--vp-text-muted); padding-top: 0.5rem; border-top: 1px solid var(--vp-border);
}
.gb-ops-strip strong { color: var(--vp-text); }

.gb-cost-bars { display: grid; gap: 0.4rem; }
.gb-wf-row { display: grid; grid-template-columns: 64px minmax(0, 1fr) 72px; align-items: center; gap: 0.5rem; }
.gb-wf-label { font-size: 0.72rem; font-weight: 600; color: var(--vp-text-secondary); }
.gb-wf-track { position: relative; height: 14px; background: var(--vp-bg-subtle); border: 1px solid var(--vp-border); border-radius: 999px; overflow: hidden; }
.gb-wf-bar { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--vp-accent); border-radius: 999px; opacity: 0.35; }
.gb-wf-bar.filled { opacity: 1; }
.gb-wf-bar.over { background: var(--vp-danger); }
.gb-wf-bar.budget { background: var(--vp-text-muted); opacity: 0.45; }
.gb-wf-budget { position: absolute; top: -2px; bottom: -2px; width: 2px; background: var(--vp-text); opacity: 0.7; }
.gb-wf-ms { font-family: var(--vp-mono); font-size: 0.68rem; text-align: right; color: var(--vp-text-secondary); }
.gb-wf-ms.over { color: var(--vp-danger); font-weight: 700; }

.gb-product { padding: 1rem 1.1rem; position: sticky; top: calc(var(--vp-header-h) + 0.5rem); max-height: calc(100vh - 120px); overflow: auto; }
.gb-guided { font-size: 0.78rem; color: var(--vp-text-muted); margin: 0 0 0.85rem; line-height: 1.5; }
.gb-run-row { margin: 0.75rem 0; }
.gb-run-row .primary, .gb-run-row button { width: 100%; }
.gb-ops-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-top: 0.75rem; }
.gb-ops-card { padding: 0.65rem 0.75rem; background: var(--vp-bg-subtle); border: 1px solid var(--vp-border); border-radius: var(--vp-radius-sm); }
.gb-ops-card .muted { margin: 0; font-size: 0.65rem; text-transform: uppercase; }
.gb-ops-value { margin: 0.25rem 0 0; font-size: 1.15rem; font-weight: 700; }
.gb-advanced { margin-top: 0.75rem; }
.gb-advanced summary { cursor: pointer; font-weight: 600; }

.gb-product .panel { margin-top: 0.75rem; }
.gb-product .panel:first-of-type { margin-top: 0; }
.gb-product h2 { font-size: 0.95rem; margin: 0 0 0.35rem; }
.gb-product .trace { max-height: 220px; overflow: auto; font-size: 0.72rem; }

@media (max-width: 1100px) {
  .gb-workbench { grid-template-columns: 1fr; }
  .gb-rail, .gb-product { position: static; max-height: none; }
  .gb-center { order: 1; }
  .gb-product { order: 2; }
  .gb-rail { order: 3; }
}