:root {
  --cert-surface: #ffffff;
  --cert-surface-soft: #f8fafc;
  --cert-border: #dbe5f1;
  --cert-text: #0f172a;
  --cert-muted: #475569;
  --cert-primary: #1236c6;
  --cert-primary-soft: #e8efff;
  --cert-success: #0f9f6e;
  --cert-success-soft: #dff8ed;
  --cert-warning: #b77900;
  --cert-warning-soft: #fff6d8;
  --cert-danger: #b42318;
  --cert-danger-soft: #fee4e2;
  --cert-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  --cert-radius: 8px;
  --cert-gap: 0.75rem;
}

.cert-stage-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: var(--cert-gap);
  margin: 0.75rem 0;
}

.cert-step {
  position: relative;
  min-height: 4.5rem;
  padding: 0.8rem 0.9rem 0.8rem 2.25rem;
  border: 1px solid var(--cert-border);
  border-radius: var(--cert-radius);
  background: var(--cert-surface);
  color: var(--cert-text);
  box-shadow: var(--cert-shadow);
}

.cert-step::before {
  content: "";
  position: absolute;
  top: 0.95rem;
  left: 0.85rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: var(--cert-muted);
}

.cert-step-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--cert-muted);
}

.cert-step-value {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.25;
}

.cert-step-note {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.78rem;
  line-height: 1.3;
  color: var(--cert-muted);
}

.cert-step.is-complete {
  border-color: var(--cert-success);
  background: var(--cert-success-soft);
}

.cert-step.is-complete::before {
  background: var(--cert-success);
}

.cert-step.is-progress {
  border-color: var(--cert-primary);
  background: var(--cert-primary-soft);
}

.cert-step.is-progress::before {
  background: var(--cert-primary);
}

.cert-step.is-pending {
  border-color: var(--cert-warning);
  background: var(--cert-warning-soft);
}

.cert-step.is-pending::before {
  background: var(--cert-warning);
}

.cert-step.is-blocked {
  border-color: var(--cert-danger);
  background: var(--cert-danger-soft);
}

.cert-step.is-blocked::before {
  background: var(--cert-danger);
}

.cert-action-hint,
.cert-blocker-note {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  border-radius: var(--cert-radius);
  padding: 0.65rem 0.75rem;
  font-size: 0.86rem;
  line-height: 1.35;
}

.cert-action-hint {
  border: 1px solid var(--cert-border);
  background: var(--cert-surface-soft);
  color: var(--cert-muted);
}

.cert-blocker-note {
  border: 1px solid var(--cert-warning);
  background: var(--cert-warning-soft);
  color: var(--cert-warning);
}

.cert-blocker-note + .cert-blocker-note {
  margin-top: 0.5rem;
}

.cert-doc-card {
  height: 100%;
  padding: 1rem;
  border: 1px solid var(--cert-border);
  border-radius: var(--cert-radius);
  background: var(--cert-surface);
}

.cert-admin-actions {
  display: grid;
  gap: 0.5rem;
}

.cert-admin-actions .btn,
.cert-admin-actions form {
  width: 100%;
}

.cert-verifier-flow {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--cert-border);
  border-radius: var(--cert-radius);
  background: var(--cert-surface-soft);
}

.evaluator-form .upload-alert {
  display: none;
}

@media (max-width: 768px) {
  .cert-stage-board {
    grid-template-columns: 1fr;
  }

  .cert-step {
    min-height: auto;
  }
}