/* Vertical onboarding timeline — Portkey-inspired, DriftGuard Backboard */

.dg-onboard-stepper {
  --dg-step-line: rgba(255, 255, 255, 0.1);
  --dg-step-done: hsl(200, 95%, 50%);
  margin: 1.75rem 0 2.25rem;
  padding: 1.35rem 1.25rem 1.15rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
}

.dg-onboard-stepper-head {
  margin-bottom: 1.25rem;
}

.dg-onboard-stepper-head h2,
.dg-onboard-stepper-head h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.dg-onboard-stepper-head p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted, rgba(255, 255, 255, 0.5));
  line-height: 1.5;
}

.dg-onboard-stepper-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.dg-onboard-step {
  position: relative;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0 1rem;
  padding: 0 0 1.35rem;
}

.dg-onboard-step:last-child {
  padding-bottom: 0;
}

.dg-onboard-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 0.95rem;
  top: 1.65rem;
  bottom: 0;
  width: 2px;
  background: var(--dg-step-line);
  transform: translateX(-50%);
}

.dg-onboard-step.is-done:not(:last-child)::before {
  background: linear-gradient(180deg, var(--dg-step-done), var(--dg-step-line));
}

.dg-onboard-step-marker {
  position: relative;
  z-index: 1;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted, rgba(255, 255, 255, 0.45));
  background: rgba(8, 10, 16, 0.95);
  border: 2px solid var(--dg-step-line);
  flex-shrink: 0;
}

.dg-onboard-step.is-done .dg-onboard-step-marker {
  color: #050508;
  background: var(--dg-step-done);
  border-color: var(--dg-step-done);
  box-shadow: 0 0 16px hsla(200, 95%, 50%, 0.35);
}

.dg-onboard-step.is-done .dg-onboard-step-marker::after {
  content: '✓';
  font-size: 0.72rem;
}

.dg-onboard-step.is-done .dg-onboard-step-marker span {
  display: none;
}

.dg-onboard-step.is-active .dg-onboard-step-marker {
  color: var(--dg-step-done);
  border-color: var(--dg-step-done);
  box-shadow: 0 0 0 4px hsla(200, 95%, 50%, 0.12);
}

.dg-onboard-step-body {
  min-width: 0;
  padding-top: 0.1rem;
}

.dg-onboard-step-title {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text, #fff);
}

.dg-onboard-step.is-todo .dg-onboard-step-title {
  color: rgba(255, 255, 255, 0.82);
}

.dg-onboard-step-desc {
  margin: 0 0 0.55rem;
  font-size: 0.84rem;
  color: var(--text-muted, rgba(255, 255, 255, 0.5));
  line-height: 1.5;
}

.dg-onboard-step-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent, hsl(200, 95%, 50%));
  text-decoration: none;
}

.dg-onboard-step-link:hover {
  text-decoration: underline;
}

.dg-onboard-step-status {
  display: inline-block;
  margin-left: 0.5rem;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted, rgba(255, 255, 255, 0.4));
}

.dg-onboard-step.is-done .dg-onboard-step-status {
  color: var(--dg-step-done);
}

.dg-onboard-stepper--compact .dg-onboard-step {
  padding-bottom: 1rem;
}

.dg-onboard-stepper--compact .dg-onboard-step-desc {
  margin-bottom: 0.4rem;
}

@media (max-width: 560px) {
  .dg-onboard-stepper {
    padding: 1.1rem 1rem;
  }

  .dg-onboard-step {
    grid-template-columns: 1.75rem 1fr;
    gap: 0 0.75rem;
  }
}