/* DS §05.17 — Stepper (web) · token-only */

.ds-stepper {
  display: flex;
  align-items: flex-start;
  gap: 0;
  font-family: var(--font-sans);
  counter-reset: ds-step;
}

.ds-stepper-vertical {
  flex-direction: column;
}

/* Individual step */
.ds-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
}

.ds-stepper-vertical .ds-step {
  flex-direction: row;
  align-items: flex-start;
  flex: none;
  width: 100%;
}

/* Connector line between steps */
.ds-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 18px;
  left: calc(50% + 18px);
  right: calc(-50% + 18px);
  height: 1.5px;
  background: var(--border);
  transition: background var(--dur-normal) var(--ease-inout);
}

.ds-step-complete:not(:last-child)::after { background: var(--verdant-web); }

.ds-stepper-vertical .ds-step::after {
  top: 36px;
  left: 17px;
  right: auto;
  width: 1.5px;
  height: calc(100% - 18px);
}

/* Step indicator */
.ds-step-indicator {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--fg3);
  z-index: 1;
  transition: border-color var(--dur-normal), background var(--dur-normal), color var(--dur-normal);
}

.ds-step-active .ds-step-indicator {
  border-color: var(--verdant-web);
  background: var(--verdant-web);
  color: var(--surface);
  box-shadow: var(--shadow-sm);
}

.ds-step-complete .ds-step-indicator {
  border-color: var(--verdant-web);
  background: var(--status-clean-bg);
  color: var(--verdant-dark);
}

.ds-step-error .ds-step-indicator {
  border-color: var(--status-danger);
  background: var(--status-danger-bg);
  color: var(--status-danger-text);
}

/* Step label */
.ds-step-content {
  margin-top: var(--sp-3);
  text-align: center;
}

.ds-stepper-vertical .ds-step-content {
  margin-top: 0;
  margin-left: var(--sp-4);
  text-align: left;
  padding-bottom: var(--sp-6);
}

.ds-step-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--fg2);
}

.ds-step-active .ds-step-label  { color: var(--verdant-dark); }
.ds-step-complete .ds-step-label { color: var(--fg1); }

.ds-step-desc {
  font-size: var(--text-xs);
  color: var(--fg3);
  margin-top: 2px;
}