:root {
  --primary: #1a365d;
  --accent: #2f855a;
  --accent-dark: #276949;
  --dark: #0b1d30;
  --light: #f8fafc;
  --white: #ffffff;
  --gray: #4a5568;
  --muted: #718096;
  --border: #e2e8f0;
  --warn: #b7791f;
  --danger: #c53030;
  --success-bg: #f0fff4;
  --success-border: #9ae6b4;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--light);
  color: #2d3748;
  line-height: 1.5;
  font-size: 15px;
}

nav.demo-nav {
  background: var(--dark);
  color: white;
  padding: 0.75rem 1.5rem;
  border-bottom: 3px solid var(--accent);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

nav.demo-nav a { color: #9ae6b4; text-decoration: none; font-size: 0.875rem; }
nav.demo-nav a:hover { color: white; }

.nav-brand { font-weight: 800; font-size: 1rem; color: white; letter-spacing: 0.3px; }

.demo-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  background: rgba(47, 133, 90, 0.25);
  color: #9ae6b4;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(154, 230, 180, 0.3);
}

.demo-header {
  max-width: 1040px;
  margin: 1.5rem auto 0;
  padding: 0 1.25rem;
}

.demo-header h1 {
  font-size: 1.35rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.demo-header p {
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 640px;
}

.demo-layout {
  max-width: 1040px;
  margin: 1.25rem auto 2.5rem;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 820px) {
  .demo-layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.panel-head {
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--border);
  background: #fbfdff;
}

.panel-head h2 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--primary);
}

.panel-head p {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.panel-body { padding: 1.15rem; }

.field { margin-bottom: 0.85rem; }

.field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray);
  margin-bottom: 0.3rem;
}

.field input,
.field select {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  background: white;
  transition: border-color 0.15s;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 133, 90, 0.12);
}

.field input:disabled,
.field select:disabled {
  background: #f1f5f9;
  color: #64748b;
  cursor: not-allowed;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.7rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover:not(:disabled) { background: var(--accent-dark); }

.btn-primary:disabled {
  background: #94a3b8;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
  padding: 0.55rem 0.9rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-secondary:hover { border-color: var(--primary); background: #f8fafc; }

.btn-approve {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-reject {
  background: white;
  color: var(--danger);
  border: 1px solid #feb2b2;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.pipeline { display: flex; flex-direction: column; gap: 0; position: relative; }

.step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0.75rem;
  padding: 0.75rem 0;
  position: relative;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 38px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.step.done:not(:last-child)::after { background: var(--accent); }

.step-marker {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--muted);
  z-index: 1;
  transition: all 0.25s;
}

.step.active .step-marker {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
  box-shadow: 0 0 0 4px rgba(47, 133, 90, 0.15);
}

.step.done .step-marker {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

.step-body h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 0.15rem;
}

.step-body p {
  font-size: 0.75rem;
  color: var(--muted);
}

.step-meta {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.2rem;
  font-family: Consolas, 'Courier New', monospace;
  opacity: 0;
  transition: opacity 0.2s;
}

.step.done .step-meta,
.step.active .step-meta { opacity: 1; }

.activity-log {
  margin-top: 1rem;
  border: 1px solid #334155;
  border-radius: 6px;
  overflow: hidden;
}

.activity-log-head {
  background: #1e293b;
  color: #94a3b8;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0.4rem 0.65rem;
}

.activity-log-body {
  background: #0f172a;
  color: #cbd5e1;
  font-family: Consolas, 'Courier New', monospace;
  font-size: 0.68rem;
  padding: 0.65rem;
  max-height: 150px;
  overflow-y: auto;
  line-height: 1.55;
}

.activity-log-body div { margin-bottom: 0.2rem; }
.activity-log-body .ok { color: #6ee7b7; }
.activity-log-body .info { color: #93c5fd; }

.completion-card {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  border-radius: 6px;
}

.completion-card.show { display: block; }

.completion-card h3 {
  font-size: 0.9rem;
  color: var(--accent-dark);
  margin-bottom: 0.5rem;
}

.completion-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.75rem;
  font-size: 0.78rem;
  margin-bottom: 0.75rem;
}

.completion-card dt { color: var(--muted); font-weight: 600; }
.completion-card dd { color: #1e293b; font-family: Consolas, monospace; }

.completion-card .footnote {
  font-size: 0.75rem;
  color: var(--gray);
  border-top: 1px solid var(--success-border);
  padding-top: 0.65rem;
}

.reset-row {
  margin-top: 0.75rem;
  text-align: center;
}

.reset-row button {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.75rem;
  cursor: pointer;
  text-decoration: underline;
}

.reset-row button:hover { color: var(--primary); }

.email-card {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.85rem;
  margin-bottom: 1rem;
  font-size: 0.8rem;
}

.email-card .row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
}

.email-card .row span:first-child {
  color: var(--muted);
  min-width: 3.5rem;
  font-weight: 600;
}

.email-card .subject {
  font-weight: 700;
  color: #1e293b;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.approval-card {
  display: none;
  margin-top: 0.85rem;
  padding: 1rem;
  background: #fffbeb;
  border: 1px solid #f6e05e;
  border-radius: 6px;
}

.approval-card.show { display: block; }

.approval-card h4 {
  font-size: 0.85rem;
  color: #744210;
  margin-bottom: 0.35rem;
}

.approval-card p {
  font-size: 0.78rem;
  color: var(--gray);
  margin-bottom: 0.65rem;
}

.approval-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.demo-footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.72rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: white;
}

.demo-footer a { color: var(--accent); }

.status-pill {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  margin-left: 0.5rem;
}

.status-pill.idle { background: #e2e8f0; color: #475569; }
.status-pill.running { background: #dbeafe; color: #1d4ed8; }
.status-pill.complete { background: #d1fae5; color: #065f46; }

.panel.locked { opacity: 0.92; }