.system-hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  margin-bottom: 18px;
}

.system-hero p,
.system-note,
.reset-card p,
.backup-list small {
  color: var(--muted);
}

.system-stats {
  display: grid;
  grid-template-columns: repeat(6, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.system-stat {
  background: rgba(15, 23, 42, .76);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
}

.system-stat small {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.system-stat strong {
  font-size: 28px;
}

.system-layout {
  align-items: start;
}

.system-checklist,
.system-domain {
  margin-bottom: 18px;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.check-item,
.domain-code {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  background: rgba(15, 23, 42, .62);
}

.check-item strong {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 12px;
  background: rgba(47, 113, 255, .2);
  color: #93c5fd;
  margin-bottom: 12px;
}

.check-item span,
.domain-code strong {
  display: block;
  font-weight: 800;
}

.check-item small,
.domain-code span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.system-domain {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 380px);
  gap: 18px;
  align-items: center;
}

.backup-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.backup-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(15, 23, 42, .55);
}

.danger-zone {
  border-color: rgba(248, 113, 113, .45);
}

.reset-grid {
  display: grid;
  gap: 14px;
}

.reset-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  background: rgba(15, 23, 42, .62);
}

.reset-card.hard {
  border-color: rgba(248, 113, 113, .55);
}

.reset-card form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
}

.reset-card input {
  min-width: 0;
}

.danger-button {
  background: #ef4444;
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 800;
}

.warning-button {
  background: #f59e0b;
  color: #101827;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 800;
}

@media (max-width: 1200px) {
  .system-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .check-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .system-hero,
  .system-domain,
  .backup-row,
  .reset-card form {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .system-stats {
    grid-template-columns: 1fr 1fr;
  }

  .check-grid {
    grid-template-columns: 1fr;
  }
}