.install-matrix {
  --im-text: #111827;
  --im-text-muted: #64748b;
  --im-text-strong: #334155;
  --im-border: #e2e8f0;
  --im-border-soft: #eef2f7;
  --im-border-control: #cbd5e1;
  --im-bg: #ffffff;
  --im-bg-subtle: #f8fafc;
  --im-bg-chip: #f1f5f9;
  --im-bg-chip-hover: #e2e8f0;
  --im-chip-active: #1e293b;
  --im-link: #2563eb;
  --im-link-hover: #1d4ed8;
  --im-badge-border: #bfdbfe;
  --im-badge-bg: #eff6ff;
  --im-badge-text: #1d4ed8;
  --im-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);

  color: var(--im-text);
  font-family: var(--md-text-font-family);
  font-size: 0.7rem;
  line-height: 1.5;
}

.install-matrix .im-card {
  margin-top: 0.75rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--im-border);
  border-radius: 10px;
  background: var(--im-bg);
  box-shadow: var(--im-shadow);
}

.install-matrix .im-controls {
  display: flex;
  flex-direction: column;
}

.install-matrix .im-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--im-border);
}

.install-matrix .im-controls .im-group:last-of-type {
  border-bottom: 0;
}

.install-matrix .im-group .im-label {
  flex-shrink: 0;
  min-width: 6.5em;
  margin: 0;
  color: var(--im-text-strong);
  font-size: 1em;
  font-weight: 600;
}

.install-matrix .im-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.install-matrix #im-build-release {
  min-width: 20rem;
  height: 2.1rem;
  padding: 0 0.7rem;
  border: 1px solid var(--im-border-control);
  border-radius: 999px;
  background: var(--im-bg-subtle);
  color: var(--im-text-strong);
  font-size: 0.95em;
  font-weight: 500;
}

.install-matrix .im-chip {
  min-width: 0;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--im-border-control);
  border-radius: 999px;
  background: var(--im-bg-chip);
  color: #475569;
  cursor: pointer;
  font-size: 0.95em;
  font-weight: 500;
  line-height: 1.3;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.install-matrix .im-chip:hover:not(.disabled):not(:disabled) {
  border-color: #94a3b8;
  background: var(--im-bg-chip-hover);
  color: var(--im-text-strong);
}

.install-matrix .im-chip.active {
  border-color: var(--im-chip-active);
  background: var(--im-chip-active);
  color: #fff;
}

.install-matrix .im-chip.disabled,
.install-matrix .im-chip:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--im-bg-chip);
  color: #94a3b8;
}

.install-matrix .im-command-panel {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--im-border);
}

.install-matrix .im-command-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
}

.install-matrix .im-command-head .im-label {
  color: var(--im-text-strong);
  font-size: 1em;
  font-weight: 600;
}

.install-matrix .im-copy {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--im-border-control);
  border-radius: 6px;
  background: var(--im-bg);
  color: #475569;
  cursor: pointer;
  font-size: 0.9em;
  font-weight: 600;
}

.install-matrix .im-copy:hover {
  border-color: #94a3b8;
  background: var(--im-bg-subtle);
  color: var(--im-text-strong);
}

.install-matrix .im-code {
  margin: 0.4rem 0;
  padding: 0.5rem 0.65rem;
  border: 1px solid #dbe3ef;
  border-radius: 6px;
  background: var(--im-bg);
  color: #0f172a;
  font-family: var(--md-code-font);
  font-size: 1em;
  font-weight: 500;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
}

.install-matrix .im-note {
  margin: 0.35rem 0 0;
  color: var(--im-text-muted);
  font-size: 0.95em;
  font-weight: 400;
  line-height: 1.5;
}

.install-matrix .im-note-tertiary {
  margin-top: 0.5rem;
  font-size: 0.9em;
}

.install-matrix .im-note a {
  color: var(--im-link);
  font-weight: 500;
  text-underline-offset: 2px;
}

.install-matrix .im-note a:hover {
  color: var(--im-link-hover);
}

.install-matrix .im-el9-vllm-note:not([hidden]) {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.install-matrix .im-el9-vllm-note-title {
  margin: 0 0 0.45rem;
  font-weight: 600;
  line-height: 1.45;
}

.install-matrix .im-el9-vllm-note-ol {
  margin: 0;
  padding-left: 1.35rem;
  line-height: 1.5;
}

.install-matrix .im-el9-vllm-note-ol li {
  margin: 0.3rem 0;
  padding-left: 0.15rem;
}

.install-matrix .im-el9-vllm-note-linkline {
  display: block;
  margin-top: 0.35rem;
}

.install-matrix #im-version-meta:not([hidden]) {
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--im-border);
}

.install-matrix .im-deps {
  margin-top: 0.55rem;
  overflow: hidden;
  border: 1px solid var(--im-border);
  border-radius: 8px;
  background: var(--im-bg);
}

.install-matrix .im-deps-head,
.install-matrix .im-deps-row {
  display: grid;
  grid-template-columns: minmax(9rem, 38%) 1fr;
  gap: 0.75rem;
}

.install-matrix .im-deps-head {
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--im-border);
  background: var(--im-bg-subtle);
  color: var(--im-text-strong);
  font-size: 0.9em;
  font-weight: 600;
}

.install-matrix .im-deps-head span,
.install-matrix .im-deps-name {
  text-align: center;
}

.install-matrix .im-deps-row {
  align-items: center;
  padding: 0.42rem 0.65rem;
  border-bottom: 1px solid var(--im-border-soft);
}

.install-matrix .im-deps-row:last-child {
  border-bottom: 0;
}

.install-matrix .im-deps-name {
  color: #1f2937;
  font-size: 0.93em;
}

.install-matrix .im-deps-values {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.install-matrix .im-deps-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.35rem;
  padding: 0.05rem 0.5rem;
  border: 1px solid var(--im-badge-border);
  border-radius: 6px;
  background: var(--im-badge-bg);
  color: var(--im-badge-text);
  font-size: 0.9em;
  line-height: 1.25;
}

.install-matrix .im-deps-badge.is-empty {
  border-color: var(--im-border-control);
  background: var(--im-bg-subtle);
  color: var(--im-text-muted);
}