.install-shell {
  width: min(calc(100% - 32px), var(--content));
  margin: 0 auto;
  padding-bottom: clamp(64px, 8vw, 96px);
}

.install-grid {
  padding-block: clamp(64px, 9vw, 112px) clamp(48px, 7vw, 80px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 480px);
  gap: clamp(40px, 7vw, 96px);
  align-items: start;
}

.install-copy {
  padding-top: var(--space-2);
}

.install-copy h1 {
  max-width: 760px;
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(48px, 6.5vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.lead {
  max-width: 670px;
  margin: var(--space-6) 0 0;
  color: var(--text-secondary);
  font-size: clamp(19px, 2vw, 22px);
  line-height: 1.55;
}

.install-card,
.uninstall-card,
.steps article {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-card);
  background: var(--surface-elevated);
  box-shadow: var(--shadow);
}

.install-card {
  padding: clamp(24px, 4vw, 36px);
}

.install-card form {
  display: grid;
}

.uninstall-card {
  margin-top: var(--space-12);
  padding: clamp(28px, 5vw, 48px);
}

.uninstall-card h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.05;
}

.danger-note {
  max-width: 850px;
  margin-block: var(--space-4) var(--space-6);
  padding: var(--space-4);
  color: var(--text-secondary);
  border-left: 4px solid var(--warning);
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
  background: color-mix(in srgb, var(--warning) 9%, var(--surface));
  line-height: 1.55;
}

.install-shell label {
  display: block;
  margin: var(--space-4) 0 var(--space-2);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
}

.security-note {
  margin: var(--space-2) 0 var(--space-3);
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.5;
}

.install-shell input,
.install-shell textarea,
.install-shell button {
  width: 100%;
  border-radius: var(--radius-control);
}

.install-shell input,
.install-shell textarea {
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  background: var(--surface);
}

.install-shell input:focus,
.install-shell textarea:focus {
  border-color: var(--primary);
  outline: 3px solid color-mix(in srgb, var(--primary) 22%, transparent);
  outline-offset: 1px;
}

.install-shell input {
  min-height: 50px;
  padding: 0 var(--space-4);
}

.install-shell textarea {
  padding: var(--space-3) var(--space-4);
  resize: vertical;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
  line-height: 1.5;
}

.install-shell button {
  min-height: 50px;
  margin-top: var(--space-4);
  padding: 10px 18px;
  color: var(--on-action-primary);
  border: 1px solid transparent;
  background: var(--action-primary);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 150ms ease, transform 150ms ease;
}

.install-shell button:hover:not(:disabled) {
  background: var(--action-primary-hover);
  transform: translateY(-1px);
}

.install-shell button:disabled {
  cursor: default;
  opacity: 0.55;
}

.status {
  min-height: 24px;
  margin: var(--space-3) 0 0;
  color: var(--primary);
  font-weight: 700;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.steps article {
  min-height: 220px;
  padding: clamp(24px, 3vw, 32px);
}

.steps span {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  color: var(--on-action-primary);
  border-radius: 999px;
  background: var(--action-primary);
  font-weight: 800;
}

.steps h2 {
  margin: var(--space-6) 0 var(--space-2);
  color: var(--text-primary);
  font-size: 28px;
}

.steps p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.55;
}

.install-shell code {
  padding: 2px 6px;
  color: var(--primary);
  border-radius: 6px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.92em;
  font-weight: 700;
}

.site-footer {
  margin-top: 0;
}

@media (max-width: 900px) {
  .install-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .install-grid {
    align-items: start;
  }

  .install-card {
    width: min(100%, 620px);
  }

  .steps article {
    min-height: auto;
  }
}

@media (max-width: 600px) {
  .install-grid {
    padding-top: var(--space-16);
  }

  .install-copy h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .install-card,
  .uninstall-card {
    padding: 24px 20px;
  }
}