:root {
  --brand: #0f766e;
  --accent: #f59e0b;
  --ink: #111827;
  --muted: #6b7280;
  --surface: #ffffff;
}

body.app-body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, #f1f5f9 0%, #ffffff 45%, #f8fafc 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar-brand {
  letter-spacing: 0.02em;
}

.navbar-brand .brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.hero-card {
  border-radius: 24px;
  background: linear-gradient(120deg, #ecfeff, #fef3c7);
  border: 1px solid #e2e8f0;
}

.glass-panel {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  backdrop-filter: blur(12px);
}

.step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.app-footer {
  background: #0f172a;
  color: #e2e8f0;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-step {
  display: flex;
  gap: 12px;
  align-items: center;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #cbd5f5;
}

.timeline-step.active .timeline-dot {
  background: var(--brand);
  box-shadow: 0 0 0 6px rgba(15, 118, 110, 0.15);
}

.message-thread {
  display: grid;
  gap: 12px;
}

.message-item {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
}

.btn-primary {
  background-color: var(--brand);
  border-color: var(--brand);
}

.btn-primary:hover {
  background-color: #0b5e57;
  border-color: #0b5e57;
}