.hillink-campaign-builder {
  max-width: 900px;
  margin: 0 auto;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.hillink-card {
  border: 1px solid #e2e2e2;
  border-radius: 16px;
  padding: 24px;
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(0,0,0,0.03);
}

.hillink-card h2 {
  margin-top: 0;
  margin-bottom: 4px;
}

.hillink-subtitle {
  margin-top: 0;
  color: #555;
  font-size: 0.95rem;
}

.hillink-section {
  margin-top: 24px;
}

.hillink-section h3 {
  margin-bottom: 8px;
}

.hillink-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px 24px;
  padding: 16px;
  border-radius: 12px;
  background: #fafafa;
  border: 1px solid #ececec;
}

.hillink-overview-grid strong {
  display: block;
  font-size: 0.8rem;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hillink-overview-grid p {
  margin: 2px 0 0;
  font-size: 0.95rem;
}

.hillink-note {
  font-size: 0.8rem;
  color: #888;
  margin-top: 6px;
}

.hillink-slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.hillink-slot {
  width: 70px;
  height: 70px;
  border-radius: 999px;
  border: 2px dashed #d1d1d1;
  background: #f7f7f7;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.16s ease;
}

.hillink-slot-plus {
  font-size: 1.7rem;
  line-height: 1;
  color: #b1b1b1;
}

.hillink-slot:hover {
  border-style: solid;
  border-color: #2563eb;
  background: #eef3ff;
}

.hillink-slot-legend {
  margin-top: 10px;
  font-size: 0.8rem;
  color: #777;
  display: flex;
  gap: 16px;
  align-items: center;
}

.hillink-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
  margin-right: 4px;
}

.hillink-dot.empty {
  border: 2px solid #d1d1d1;
  background: #f7f7f7;
}

.hillink-dot.filled {
  background: #2563eb;
}

.hillink-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px 24px;
  padding: 12px 0 0;
}

.hillink-stats-grid strong {
  font-size: 0.8rem;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hillink-stats-grid p {
  margin: 2px 0 0;
  font-size: 0.95rem;
}

.hillink-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hillink-btn {
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.16s ease;
}

.hillink-btn.primary {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}

.hillink-btn.primary:hover {
  background: #1d4ed8;
}

.hillink-btn.secondary {
  background: #f3f4f6;
  color: #111827;
  border-color: #e5e7eb;
}

.hillink-btn.secondary:hover {
  background: #e5e7eb;
}

.hillink-btn.danger {
  background: #fff1f2;
  color: #b91c1c;
  border-color: #fecaca;
}

.hillink-btn.danger:hover {
  background: #fee2e2;
}