/* ═══════════════════════════════════════════
   STEPPER SIDEBAR (DESKTOP)
═══════════════════════════════════════════ */
.stepper-sidebar {
  padding: 2.5rem 1.5rem 2rem 2rem;
  position: sticky;
  top: 0;
  height: fit-content;
  max-height: 100vh;
}
.stepper-list { list-style: none; }
.stepper-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  position: relative;
  padding-bottom: 2rem;
  cursor: default;
}
.stepper-item:last-child { padding-bottom: 0; }

/* Connecting line */
.stepper-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 17px;
  top: 40px;
  width: 2px;
  height: calc(100% - 40px);
  background: var(--border);
  transition: background var(--transition);
}
.stepper-item.completed:not(:last-child)::after {
  background: var(--success);
}
.stepper-item.active:not(:last-child)::after {
  background: linear-gradient(180deg, var(--primary) 0%, var(--border) 100%);
}
.stepper-circle {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  border: 2px solid var(--border);
  color: var(--text-muted);
  background: var(--surface);
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}
.stepper-item.active .stepper-circle {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.stepper-item.completed .stepper-circle {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}
.stepper-info { padding-top: 5px; }
.stepper-label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  line-height: 1.3;
}
.stepper-item.active .stepper-label { color: var(--text); font-weight: 600; }
.stepper-item.completed .stepper-label { color: var(--text-secondary); }
.stepper-sublabel {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
  display: none;
}
.stepper-item.active .stepper-sublabel { display: block; color: var(--primary); }

/* ═══════════════════════════════════════════
   MOBILE STEPPER
═══════════════════════════════════════════ */
.stepper-mobile {
  display: none;
  padding: 1.2rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}
.stepper-mobile-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.7rem;
}
.stepper-mobile-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.stepper-mobile-count {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}
.stepper-mobile-bar {
  width: 100%;
  height: 4px;
  background: var(--border-light);
  border-radius: 4px;
  overflow: hidden;
}
.stepper-mobile-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  border-radius: 4px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.stepper-mobile-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 0.7rem;
}
.stepper-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: all var(--transition);
}
.stepper-dot.active {
  background: var(--primary);
  width: 24px;
  border-radius: 4px;
}
.stepper-dot.completed { background: var(--success); }