:root {
  --rm-violet: #5a3fb4;
  --rm-violet-dark: #432b93;
  --rm-violet-soft: #eeeaff;
  --rm-ink: #18142a;
  --rm-muted: #625d70;
  --rm-border: #ddd8e8;
  --rm-surface: #f7f5fb;
  --rm-surface-strong: #efecf5;
  --rm-code: #211b35;
  --rm-warning: #9a5600;
  --rm-warning-soft: #fff2dc;
  --rm-success: #16734a;
  --rm-success-soft: #e4f6ed;
  --rm-focus: #6e4be8;
  --rm-radius-sm: 8px;
  --rm-radius-md: 12px;
  --rm-radius-lg: 16px;
  --rm-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

body[data-md-color-primary="deep-purple"] {
  --md-primary-fg-color: var(--rm-violet);
  --md-primary-fg-color--dark: var(--rm-violet-dark);
  --md-accent-fg-color: var(--rm-violet);
  --md-typeset-a-color: var(--rm-violet);
}

body[data-md-color-scheme="slate"] {
  --rm-violet-soft: #2d2545;
  --rm-ink: #f3f0fa;
  --rm-muted: #bdb6cb;
  --rm-border: #4a435a;
  --rm-surface: #211d2b;
  --rm-surface-strong: #2a2535;
  --rm-code: #17121f;
  --rm-warning: #ffbf69;
  --rm-warning-soft: #3b2a1b;
  --rm-success: #6fe0a5;
  --rm-success-soft: #17372a;
  --rm-focus: #beaaff;
  --md-typeset-a-color: #ad98ff;
}

::selection {
  color: var(--rm-ink);
  background: color-mix(in srgb, var(--rm-focus) 28%, transparent);
}

:where(a, button, select, textarea):focus-visible {
  outline: 3px solid var(--rm-focus);
  outline-offset: 3px;
}

.md-header__option label[role="button"]:focus-visible {
  border-radius: var(--rm-radius-sm);
  outline: 3px solid var(--md-primary-bg-color);
  outline-offset: 2px;
}

.md-typeset a {
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.08em;
}

* {
  scrollbar-color: var(--rm-border) transparent;
  scrollbar-width: thin;
}

/* Homepage --------------------------------------------------------------- */

.rm-home {
  clear: both;
  color: var(--rm-ink);
  margin-top: 0.8rem;
}

.rm-home h1,
.rm-home h2,
.rm-home p {
  color: inherit;
}

.rm-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(19rem, 0.95fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding: clamp(1.25rem, 4vw, 3.5rem) 0 clamp(2.5rem, 6vw, 5rem);
}

.rm-hero h1 {
  max-width: 15ch;
  margin: 0 0 1rem;
  font-size: clamp(2.35rem, 3.8vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.01;
  overflow-wrap: normal;
  word-break: normal;
  text-wrap: balance;
}

.rm-hero__lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.65;
  color: var(--rm-muted) !important;
}

.rm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.65rem 0 1rem;
}

.md-typeset .rm-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.1rem;
  border-radius: 10px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: transform 180ms var(--rm-ease-out), background-color 180ms ease, color 180ms ease;
}

.md-typeset .rm-button:hover {
  transform: translateY(-2px);
}

.md-typeset .rm-button--primary {
  color: #fff;
  background: var(--rm-violet);
}

.md-typeset .rm-button--primary:hover {
  color: #fff;
  background: var(--rm-violet-dark);
}

.md-typeset .rm-button--secondary {
  color: var(--rm-ink);
  border: 1px solid var(--rm-border);
  background: var(--md-default-bg-color);
}

.md-typeset .rm-button--secondary:hover {
  color: var(--rm-violet);
  background: var(--rm-surface);
}

.rm-install {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  max-width: 29rem;
  min-height: 48px;
  overflow: hidden;
  border: 1px solid var(--rm-border);
  border-radius: var(--rm-radius-sm);
  background: var(--rm-code);
}

.rm-install code {
  padding: 0.75rem 0.9rem;
  color: #f7f4ff;
  background: transparent;
  font-size: 0.82rem;
}

.rm-install code::before {
  margin-right: 0.6rem;
  color: #8de0b2;
  content: "$";
}

.rm-copy {
  align-self: stretch;
  min-width: 4.5rem;
  border: 0;
  border-left: 1px solid #49415f;
  color: #ddd6f4;
  background: #2c2542;
  cursor: pointer;
  font: 600 0.75rem var(--md-text-font-family);
}

.rm-copy:hover {
  color: #fff;
  background: #3a3155;
}

.rm-copy-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.rm-hero__aside {
  max-width: 55ch;
  margin: 0.7rem 0 0;
  color: var(--rm-muted) !important;
  font-size: 0.75rem;
}

.rm-proof {
  overflow: hidden;
  border: 1px solid var(--rm-border);
  border-radius: var(--rm-radius-lg);
  background: var(--rm-surface);
  transform: rotate(0.6deg);
  transition: transform 500ms var(--rm-ease-out);
}

.rm-proof:hover {
  transform: rotate(0deg) translateY(-3px);
}

.rm-proof__bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 42px;
  padding: 0 0.8rem;
  border-bottom: 1px solid var(--rm-border);
  background: var(--rm-surface-strong);
}

.rm-proof__bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rm-border);
}

.rm-proof__bar span:nth-child(1) { background: #e05d68; }
.rm-proof__bar span:nth-child(2) { background: #e3a22d; }
.rm-proof__bar span:nth-child(3) { background: #4aa574; }

.rm-proof__bar strong {
  margin-left: auto;
  color: var(--rm-muted);
  font: 600 0.68rem var(--md-code-font-family);
}

.rm-proof__source {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  min-height: 10rem;
  align-content: center;
  padding: 1.3rem 1.1rem;
  color: #eee9fa;
  background: var(--rm-code);
  font-size: 0.82rem;
  line-height: 1.9;
}

.rm-proof__source code {
  color: inherit;
  background: transparent;
}

.rm-proof__source mark {
  border-bottom: 2px wavy #ffb454;
  color: inherit;
  background: rgb(255 180 84 / 12%);
}

.rm-line-number {
  color: #82789b;
  font: 0.72rem var(--md-code-font-family);
  user-select: none;
}

.rm-diagnostic {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: center;
  margin: 0.8rem;
  padding: 0.75rem;
  border: 1px solid color-mix(in srgb, var(--rm-warning) 45%, var(--rm-border));
  border-radius: var(--rm-radius-sm);
  color: var(--rm-ink);
  background: var(--rm-warning-soft);
  font-size: 0.72rem;
}

.rm-diagnostic__rule {
  color: var(--rm-warning);
  font: 700 0.7rem var(--md-code-font-family);
}

.rm-diagnostic__location {
  color: var(--rm-muted);
  font: 0.68rem var(--md-code-font-family);
}

.rm-fix-result {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 0 0.8rem 0.8rem;
  padding: 0.8rem;
  color: var(--rm-success);
  background: var(--rm-success-soft);
  border-radius: var(--rm-radius-sm);
}

.rm-fix-result svg {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.rm-fix-result div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.rm-fix-result strong { font-size: 0.7rem; }
.rm-fix-result code { color: var(--rm-ink); background: transparent; font-size: 0.75rem; }

.rm-engine-line {
  margin: 0 0 2rem !important;
  padding: 1.1rem 0;
  border-top: 1px solid var(--rm-border);
  border-bottom: 1px solid var(--rm-border);
  color: var(--rm-muted) !important;
  text-align: center;
}

.rm-engine-line strong { color: var(--rm-ink); }

.rm-adopters {
  max-width: 70ch;
  margin: 0 auto !important;
  padding: 0.25rem 1rem 1.5rem;
  color: var(--rm-muted) !important;
  font-size: 0.78rem;
  line-height: 1.6;
  text-align: center;
}

.rm-adopters strong {
  color: var(--rm-ink);
}

.rm-section {
  display: grid;
  grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 6vw, 5rem);
  padding: clamp(3rem, 7vw, 6rem) 0;
  border-bottom: 1px solid var(--rm-border);
}

.rm-section__intro h2,
.rm-next h2 {
  max-width: 14ch;
  margin: 0 0 0.9rem;
  font-size: clamp(1.75rem, 3.6vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.rm-section__intro p,
.rm-next p {
  max-width: 50ch;
  margin: 0;
  color: var(--rm-muted) !important;
  line-height: 1.65;
}

.rm-flow {
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

.rm-flow li {
  display: grid;
  grid-template-columns: minmax(9.5rem, 0.7fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--rm-border);
}

.rm-flow li:first-child { padding-top: 0; }
.rm-flow li:last-child { border-bottom: 0; }

.rm-flow code {
  display: inline-block;
  width: fit-content;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  color: #eee9fa;
  background: var(--rm-code);
  font-size: 0.72rem;
}

.rm-flow div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.rm-flow strong { color: var(--rm-ink); }
.rm-flow span { color: var(--rm-muted); line-height: 1.55; }

.rm-benchmark table {
  margin: 0;
  border: 0;
  box-shadow: none;
  font-variant-numeric: tabular-nums;
}

.rm-benchmark th,
.rm-benchmark td {
  padding: 0.8rem 0.9rem !important;
  border-color: var(--rm-border) !important;
}

.rm-benchmark thead th {
  color: var(--rm-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rm-benchmark__winner {
  color: var(--rm-success);
  background: var(--rm-success-soft);
}

.rm-benchmark p {
  margin: 0.8rem 0 0;
  font-size: 0.75rem;
}

.rm-capability-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.5rem;
}

.rm-capability-list p {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0 !important;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rm-border);
}

.rm-capability-list strong { color: var(--rm-ink); }
.rm-capability-list span { color: var(--rm-muted); line-height: 1.55; }

.rm-next {
  display: grid;
  grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 6vw, 5rem);
  padding: clamp(3rem, 7vw, 6rem) 0 2rem;
}

.rm-next__links {
  display: flex;
  flex-direction: column;
}

.md-typeset .rm-next__links a {
  display: grid;
  grid-template-columns: minmax(8rem, 0.7fr) minmax(0, 1.3fr);
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rm-border);
  color: var(--rm-ink);
  text-decoration: none;
}

.md-typeset .rm-next__links a:first-child { padding-top: 0; }
.md-typeset .rm-next__links a:hover strong { color: var(--rm-violet); }
.rm-next__links span { color: var(--rm-muted); }

/* Playground ------------------------------------------------------------- */

.pg-intro {
  max-width: 68ch;
  color: var(--rm-muted);
}

.pg-privacy {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin: 0.8rem 0 1.2rem;
  color: var(--rm-success);
  font-size: 0.78rem;
}

.pg-privacy svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

#rumdl-playground {
  margin-top: 1rem;
  font-family: var(--md-text-font-family);
}

.pg-status[hidden],
.pg-toolbar[hidden],
.pg-utility[hidden],
.pg-config[hidden],
.pg-view-tabs[hidden],
.pg-panels[hidden],
.pg-panel[hidden] {
  display: none !important;
}

.pg-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.pg-status {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--rm-radius-md);
  color: var(--rm-muted);
  background: var(--rm-surface);
  font-size: 0.85rem;
  text-align: center;
}

.pg-status__spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--rm-border);
  border-top-color: var(--rm-violet);
  border-radius: 50%;
  animation: pg-spin 800ms linear infinite;
}

@keyframes pg-spin { to { transform: rotate(1turn); } }

.pg-error {
  color: var(--rm-warning);
  border: 1px solid color-mix(in srgb, var(--rm-warning) 40%, var(--rm-border));
  background: var(--rm-warning-soft);
}

.pg-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.pg-toolbar-left,
.pg-toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pg-utility {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rm-border);
}

.pg-utility .pg-control-label { margin-right: auto; }

.pg-utility-status {
  max-width: 26rem;
  color: var(--rm-muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.pg-config {
  margin-bottom: 0.9rem;
  padding: 1rem;
  border: 1px solid var(--rm-border);
  border-radius: var(--rm-radius-md);
  background: var(--rm-surface);
}

.pg-config-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 0.9rem;
}

.pg-config-heading h2 {
  margin: 0 0 0.2rem;
  font-size: 0.9rem;
}

.pg-config-heading p {
  margin: 0;
  color: var(--rm-muted);
  font-size: 0.75rem;
}

.pg-config-summary {
  color: var(--rm-violet);
  font: 0.7rem/1.5 var(--md-code-font-family);
  text-align: right;
}

.pg-config-fields {
  display: grid;
  grid-template-columns: minmax(10rem, 0.8fr) minmax(8rem, 0.45fr) minmax(14rem, 1.25fr);
  gap: 0.75rem;
}

.pg-config-fields label {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--rm-ink);
  font-size: 0.72rem;
  font-weight: 650;
}

.pg-config-fields small {
  color: var(--rm-muted);
  font-weight: 400;
}

.pg-input-control {
  width: 100%;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--rm-border);
  border-radius: var(--rm-radius-sm);
  color: var(--rm-ink);
  background: var(--md-default-bg-color);
  font: 0.78rem var(--md-text-font-family);
}

.pg-input-control:focus-visible {
  outline: 3px solid var(--rm-focus);
  outline-offset: 2px;
}

.pg-config-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.pg-config-status {
  color: var(--rm-muted);
  font-size: 0.72rem;
}

.pg-version {
  color: var(--rm-muted);
  font: 0.72rem var(--md-code-font-family);
}

.pg-summary {
  color: var(--rm-muted);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.pg-control-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--rm-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.pg-select,
.pg-btn,
.pg-tab {
  min-height: 44px;
  border: 1px solid var(--rm-border);
  border-radius: var(--rm-radius-sm);
  color: var(--rm-ink);
  background: var(--md-default-bg-color);
  font: 600 0.78rem var(--md-text-font-family);
}

.pg-select {
  max-width: 12rem;
  padding: 0.55rem 2rem 0.55rem 0.7rem;
  cursor: pointer;
}

.pg-btn,
.pg-tab {
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  transition: transform 160ms var(--rm-ease-out), background-color 160ms ease, color 160ms ease;
}

.pg-btn:not(:disabled):hover,
.pg-tab:hover {
  transform: translateY(-1px);
  background: var(--rm-surface);
}

.pg-btn:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.pg-btn-primary {
  color: #fff;
  border-color: var(--rm-violet);
  background: var(--rm-violet);
}

.pg-btn-primary:not(:disabled):hover {
  color: #fff;
  background: var(--rm-violet-dark);
}

.pg-btn-quiet {
  color: var(--rm-muted);
}

.pg-action-status {
  min-height: 2.25rem;
  margin-bottom: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--rm-radius-sm);
  color: var(--rm-success);
  background: var(--rm-success-soft);
  font-size: 0.78rem;
}

.pg-action-status:empty {
  display: none;
}

.pg-view-tabs {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  padding: 0.25rem;
  border-radius: 10px;
  background: var(--rm-surface-strong);
}

.pg-tab {
  border: 0;
  background: transparent;
}

.pg-tab[aria-selected="true"] {
  color: var(--rm-violet);
  background: var(--md-default-bg-color);
  box-shadow: 0 4px 14px -10px rgb(23 15 48 / 70%);
}

.pg-tab-count {
  margin-left: 0.35rem;
  font-variant-numeric: tabular-nums;
}

.pg-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
}

.pg-panel {
  display: flex;
  min-width: 0;
  min-height: 450px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--rm-border);
  border-radius: var(--rm-radius-md);
  background: var(--md-default-bg-color);
}

.pg-panel-header {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--rm-border);
  background: var(--rm-surface);
}

.pg-panel-header h2 {
  margin: 0;
  color: var(--rm-ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pg-meta {
  color: var(--rm-muted);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.pg-editor {
  flex: 1;
  min-height: 350px;
  padding: 0.9rem;
  border: 0;
  border-radius: 0 0 var(--rm-radius-md) var(--rm-radius-md);
  caret-color: var(--rm-focus);
  color: var(--rm-ink);
  background: var(--md-default-bg-color);
  resize: vertical;
  tab-size: 2;
  font: 0.82rem/1.65 var(--md-code-font-family);
}

.pg-editor:focus-visible {
  position: relative;
  z-index: 1;
  outline: 3px solid var(--rm-focus);
  outline-offset: -3px;
}

.pg-results {
  flex: 1;
  min-height: 350px;
  overflow-y: auto;
  padding: 0.55rem;
}

.pg-warning {
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0 0 0.45rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--rm-border);
  border-radius: var(--rm-radius-sm);
  color: var(--rm-ink);
  background: var(--rm-surface);
  font: 0.8rem var(--md-text-font-family);
  text-align: left;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.pg-warning:hover {
  border-color: color-mix(in srgb, var(--rm-violet) 55%, var(--rm-border));
  background: var(--rm-violet-soft);
}

.pg-warning:last-child { margin-bottom: 0; }

.pg-warning-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pg-rule-badge {
  padding: 0.12rem 0.4rem;
  border-radius: 5px;
  color: #fff;
  background: var(--rm-violet);
  font: 700 0.68rem var(--md-code-font-family);
  white-space: nowrap;
}

.pg-location {
  color: var(--rm-muted);
  font: 0.68rem var(--md-code-font-family);
}

.pg-fix-badge {
  margin-left: auto;
  padding: 0.12rem 0.35rem;
  border-radius: 5px;
  color: var(--rm-success);
  background: var(--rm-success-soft);
  font-size: 0.66rem;
  font-weight: 700;
}

.pg-warning-message {
  color: var(--rm-ink);
  line-height: 1.45;
}

.pg-warning-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.pg-warning-action {
  min-height: 44px;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--rm-border);
  border-radius: 6px;
  color: var(--rm-muted);
  background: var(--md-default-bg-color);
  cursor: pointer;
  font: 650 0.68rem var(--md-text-font-family);
}

.pg-warning-action:hover {
  color: var(--rm-violet);
  border-color: var(--rm-violet);
}

.pg-warning-fix {
  color: var(--rm-success);
  border-color: color-mix(in srgb, var(--rm-success) 45%, var(--rm-border));
}

.pg-empty {
  display: flex;
  min-height: 260px;
  height: 100%;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  color: var(--rm-muted);
  text-align: center;
  font-size: 0.82rem;
}

.pg-clean {
  color: var(--rm-success);
  font-weight: 600;
}

@media (max-width: 76.234375em) {
  .md-sidebar--primary[inert] {
    visibility: hidden;
  }
}

@media (max-width: 60em) {
  .rm-hero {
    grid-template-columns: 1fr;
  }

  .rm-proof {
    width: min(100%, 34rem);
    transform: none;
  }

  .rm-section,
  .rm-next {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .rm-section__intro h2,
  .rm-next h2 { max-width: 18ch; }

  .pg-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .pg-toolbar-left,
  .pg-toolbar-right {
    width: 100%;
  }

  .pg-toolbar-right {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .pg-utility {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .pg-utility .pg-control-label {
    min-width: 0;
    margin-right: 0;
  }

  .pg-utility-status { grid-column: 1 / -1; }
  .pg-select { width: 100%; max-width: none; }

  .pg-config-fields { grid-template-columns: 1fr 1fr; }
  .pg-config-rules { grid-column: 1 / -1; }

  .pg-view-tabs { display: grid; }
  .pg-panels { display: block; }
  .pg-panel { min-height: 0; }
  .pg-panel[hidden] { display: none; }
  .pg-editor, .pg-results { min-height: 310px; }
  #pg-warning-count { display: none; }
}

@media (max-width: 40em) {
  .rm-hero {
    padding-top: 0.6rem;
  }

  .rm-hero h1 {
    max-width: 12ch;
    font-size: clamp(2.2rem, 11.5vw, 3.2rem);
  }

  .rm-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .md-typeset .rm-button {
    min-width: 0;
    text-align: center;
  }

  .rm-install { max-width: none; }

  .rm-capability-list { grid-template-columns: 1fr; }

  .rm-flow li,
  .md-typeset .rm-next__links a {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .rm-diagnostic {
    grid-template-columns: auto 1fr;
  }

  .rm-diagnostic__location {
    grid-column: 2;
  }

  .pg-toolbar-right {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .pg-utility {
    grid-template-columns: 1fr 1fr;
  }

  .pg-utility .pg-control-label {
    grid-column: 1 / -1;
  }

  .pg-config-heading,
  .pg-config-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .pg-config-summary { text-align: left; }
  .pg-config-fields { grid-template-columns: 1fr; }
  .pg-config-rules { grid-column: auto; }

  .pg-editor,
  .pg-results {
    min-height: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}