:root {
  color-scheme: light;

  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --color-bg: #ffffff;
  --color-bg-soft: #f8fafc;
  --color-title: #111827;
  --color-body: #374151;
  --color-muted: #6b7280;
  --color-subtle: #9ca3af;
  --color-border: #e5e7eb;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-soft: #eff6ff;
  --color-primary-ink: #1e40af;
  --color-primary-border: #bfdbfe;
  --color-danger: #dc2626;
  --color-danger-soft: #fef2f2;
  --color-danger-border: #fecaca;
  --color-warning: #b7791f;
  --color-white: #ffffff;

  --text-hero: 48px;
  --text-hero-mobile: 34px;
  --text-h1: 40px;
  --text-h1-mobile: 32px;
  --text-h2: 32px;
  --text-h2-mobile: 26px;
  --text-h3: 24px;
  --text-h3-mobile: 22px;
  --text-card-title: 18px;
  --text-body: 16px;
  --text-body-mobile: 15px;
  --text-helper: 14px;
  --text-label: 12px;

  --weight-title: 700;
  --weight-card-title: 600;
  --weight-button: 500;
  --weight-regular: 400;

  --leading-title: 1.2;
  --leading-body: 1.65;
  --leading-helper: 1.5;

  --radius-card: 16px;
  --radius-button: 10px;
  --radius-icon: 12px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-tag-y: 6px;
  --space-tag-x: 9px;
  --space-permission-y: 11px;
  --space-section: 96px;

  --page-max: 1200px;
  --sidebar-width: 260px;
  --detail-width: 340px;
  --content-min: 0;
  --tool-card-min: 280px;
  --control-height: 48px;
  --button-height: 44px;
  --sidebar-padding: var(--space-6);
  --page-padding-x: var(--space-8);
  --page-padding-y: var(--space-12);
  --panel-padding: var(--space-5);
  --card-padding: var(--space-5);
  --cluster-gap: var(--space-3);
  --grid-gap: var(--space-5);
  --sticky-offset: var(--space-6);
  --shadow-card: 0 18px 45px rgba(17, 24, 39, 0.07);
  --shadow-selected: 0 18px 45px rgba(37, 99, 235, 0.14);
  --shadow-focus: 0 0 0 4px rgba(37, 99, 235, 0.12);
  --shadow-primary: 0 10px 22px rgba(37, 99, 235, 0.2);
  --overlay-backdrop: rgba(17, 24, 39, 0.42);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 0;
  min-height: 100vh;
  color: var(--color-body);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: var(--leading-body);
}

button,
input,
select,
textarea {
  font: inherit;
}

[hidden] {
  display: none !important;
}

button {
  cursor: pointer;
}

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

button,
a,
input,
select,
textarea,
article,
section,
aside,
main,
div {
  min-width: 0;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-title);
  font-weight: var(--weight-title);
  line-height: var(--leading-title);
  letter-spacing: 0;
}

.layout-app {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(var(--content-min), 1fr);
  max-width: var(--page-max);
  min-height: 100vh;
  margin: 0 auto;
}

.layout-split {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
}

.layout-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--grid-gap);
  align-items: start;
}

.stack-page {
  display: grid;
  align-content: start;
  gap: var(--space-8);
}

.stack-section,
.stack-panel {
  display: grid;
  align-content: start;
}

.stack-section {
  gap: var(--space-4);
}

.stack-panel {
  gap: var(--space-4);
}

.surface-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.app-shell {
  display: grid;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  height: 100vh;
  padding: var(--sidebar-padding);
  border-right: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-button);
  object-fit: cover;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.16);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--color-title);
  font-size: var(--text-body);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-title);
}

.brand small {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.nav-list {
  display: grid;
  gap: var(--space-2);
}

.nav-item {
  min-height: 42px;
  padding: 0 var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  color: var(--color-muted);
  background: transparent;
  font-size: var(--text-helper);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
  text-align: left;
}

.nav-item.active,
.nav-item:hover {
  color: var(--color-primary-ink);
  border-color: var(--color-primary-border);
  background: var(--color-primary-soft);
}

.metric-card,
.tool-card,
.detail-stats div,
.detail-meta div,
.empty-state,
.submit-form {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.main-view {
  padding: var(--page-padding-y) var(--page-padding-x) var(--space-section);
}

.topbar {
  margin-bottom: 0;
}

.topbar-actions {
  display: grid;
  grid-template-columns: minmax(0, 190px) auto;
  align-items: flex-start;
  gap: var(--space-3);
  flex: 0 0 auto;
}

.eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
  font-size: var(--text-label);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-helper);
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: var(--text-hero);
}

.primary-action,
.secondary-action,
.danger-action,
.status-button,
.segment,
.secondary-link {
  min-height: var(--button-height);
  border-radius: var(--radius-button);
  font-size: var(--text-helper);
  font-weight: var(--weight-button);
  line-height: var(--leading-helper);
  white-space: nowrap;
}

.primary-action {
  padding: 0 var(--space-5);
  border: 0;
  color: var(--color-white);
  background: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.primary-action:hover {
  background: var(--color-primary-hover);
}

.primary-action:disabled {
  cursor: not-allowed;
  background: var(--color-subtle);
  box-shadow: none;
}

.primary-action.full {
  width: 100%;
  margin-top: var(--space-5);
}

.secondary-action.full {
  width: 100%;
  margin-top: var(--space-4);
}

.secondary-action {
  display: inline-grid;
  place-items: center;
  padding: 0 var(--space-5);
  border: 1px solid var(--color-border);
  color: var(--color-title);
  background: var(--color-white);
  text-decoration: none;
}

.account-action {
  display: grid;
  align-content: center;
  justify-items: start;
  width: 100%;
  min-width: 148px;
  max-width: 190px;
  min-height: var(--button-height);
  padding: var(--space-2) var(--space-4);
  overflow: hidden;
}

.account-action span,
.account-action small {
  overflow: hidden;
  width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-action span {
  color: var(--color-title);
  font-size: var(--text-helper);
  font-weight: var(--weight-button);
  line-height: var(--leading-helper);
}

.account-action small {
  color: var(--color-muted);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.account-action.is-logged-in {
  border-color: var(--color-primary-border);
  background: var(--color-primary-soft);
}

.danger-action {
  padding: 0 var(--space-5);
  border: 1px solid var(--color-danger-border);
  color: var(--color-danger);
  background: var(--color-danger-soft);
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(140px, 180px) minmax(150px, 190px) minmax(150px, 190px) auto auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--panel-padding);
}

.search-box,
.select-box,
.submit-form label {
  display: grid;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.search-box input,
.select-box select,
.submit-form input,
.submit-form select,
.submit-form textarea {
  width: 100%;
  min-height: var(--control-height);
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  outline: none;
  color: var(--color-title);
  background: var(--color-white);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: var(--leading-body);
}

.search-box input::placeholder,
.submit-form input::placeholder,
.submit-form textarea::placeholder {
  color: var(--color-subtle);
}

.submit-form textarea {
  min-height: 108px;
  padding-top: var(--space-3);
  resize: vertical;
}

.search-box input:focus,
.select-box select:focus,
.submit-form input:focus,
.submit-form select:focus,
.submit-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.toggle-filter {
  display: flex;
  align-items: center;
  align-self: end;
  gap: var(--space-2);
  min-height: var(--control-height);
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  color: var(--color-title);
  background: var(--color-white);
  font-size: var(--text-helper);
  font-weight: var(--weight-button);
  line-height: var(--leading-helper);
  white-space: nowrap;
}

.toggle-filter input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.segmented {
  display: flex;
  grid-column: 1 / -1;
  gap: var(--space-1);
  padding: var(--space-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-white);
}

.reset-filters {
  align-self: end;
  min-height: var(--control-height);
  white-space: nowrap;
}

.segment {
  min-width: 56px;
  min-height: 40px;
  border: 0;
  color: var(--color-muted);
  background: transparent;
}

.segment.active {
  color: var(--color-white);
  background: var(--color-primary);
}

.collection-entry,
.collection-page {
  display: grid;
  gap: var(--space-5);
  padding: var(--panel-padding);
}

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

.collection-link {
  display: grid;
  gap: var(--space-1);
  min-height: 74px;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  color: inherit;
  background: var(--color-bg-soft);
  text-decoration: none;
}

.collection-link:hover {
  border-color: var(--color-primary-border);
  background: var(--color-primary-soft);
}

.collection-link span {
  color: var(--color-title);
  font-size: var(--text-card-title);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-title);
}

.collection-link small,
.collection-page-head p {
  color: var(--color-muted);
  font-size: var(--text-helper);
  line-height: var(--leading-helper);
}

.collection-page-head h1 {
  margin-bottom: var(--space-3);
  font-size: var(--text-h1);
}

.collection-page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
}

.collection-actions {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  width: max-content;
}

.collection-actions .primary-action,
.collection-actions .secondary-action {
  display: inline-grid;
  min-width: 132px;
  place-items: center;
  text-decoration: none;
}

.detail-route .collection-entry,
.collection-route .collection-entry,
.collection-route .toolbar,
.collection-route .content-grid {
  display: none;
}

.metric-card {
  min-height: 112px;
  padding: var(--card-padding);
}

.metric-card span,
.section-heading span,
.tool-identity span {
  color: var(--color-muted);
  font-size: var(--text-helper);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.metric-card strong {
  display: block;
  margin-top: var(--space-3);
  color: var(--color-title);
  font-size: var(--text-h2);
  font-weight: var(--weight-title);
  line-height: var(--leading-title);
}

.content-grid {
  margin: 0;
}

.section-heading {
  margin-bottom: 0;
}

.section-heading h2 {
  margin: 0;
  font-size: var(--text-h2);
}

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

.tool-card {
  display: grid;
  gap: var(--space-4);
  min-height: 226px;
  padding: var(--card-padding);
}

.tool-card.selected {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-selected);
}

.tool-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.tool-identity {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.tool-icon,
.detail-hero {
  display: grid;
  place-items: center;
  border-radius: var(--radius-icon);
  color: var(--color-white);
  font-weight: var(--weight-title);
  line-height: var(--leading-title);
}

.tool-icon {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  font-size: var(--text-card-title);
}

.tool-identity h3 {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: var(--text-card-title);
  font-weight: var(--weight-card-title);
}

.icon-button {
  display: grid;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  color: var(--color-muted);
  background: var(--color-white);
  font-size: var(--text-body);
  font-weight: var(--weight-button);
  line-height: var(--leading-helper);
}

.icon-button.active {
  color: var(--color-danger);
  border-color: var(--color-danger-border);
  background: var(--color-danger-soft);
}

.tool-card p,
.detail-panel p,
.modal-copy {
  margin: 0;
  color: var(--color-body);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: var(--leading-body);
}

.tool-card p {
  min-height: 48px;
  overflow-wrap: anywhere;
}

.tag-row,
.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  max-width: 100%;
  padding: var(--space-tag-y) var(--space-tag-x);
  border-radius: var(--radius-button);
  color: var(--color-body);
  background: var(--color-bg-soft);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
  overflow-wrap: anywhere;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.rating {
  color: var(--color-warning);
  font-size: var(--text-label);
  font-weight: var(--weight-button);
  line-height: var(--leading-helper);
}

.status-button {
  min-height: 38px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: var(--color-white);
}

.status-button.installed {
  color: var(--color-white);
  background: var(--color-primary);
}

.detail-panel {
  display: none;
  position: static;
  padding: var(--panel-padding);
}

.detail-hero {
  width: 76px;
  height: 76px;
  margin-bottom: var(--space-5);
  background: var(--color-primary);
  font-size: var(--text-h3);
}

.detail-panel h2 {
  margin-bottom: var(--space-2);
  font-size: var(--text-h2);
}

.detail-stats,
.detail-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
}

.detail-meta {
  grid-template-columns: 1fr;
  margin-top: var(--space-3);
}

.detail-stats div,
.detail-meta div {
  padding: var(--space-4);
  background: var(--color-bg-soft);
  box-shadow: none;
}

.detail-stats dt,
.detail-meta dt {
  color: var(--color-muted);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.detail-stats dd,
.detail-meta dd {
  margin: var(--space-2) 0 0;
  color: var(--color-title);
  font-size: var(--text-card-title);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-title);
}

.detail-meta dd {
  color: var(--color-body);
  font-size: var(--text-helper);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: var(--space-4);
  border: 1px solid var(--color-border);
  color: var(--color-primary-ink);
  background: var(--color-white);
  text-decoration: none;
}

.submitted-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.detail-route .toolbar,
.detail-route .content-grid {
  display: none;
}

.tool-detail-page {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-6);
}

.standalone-detail-page {
  min-height: 100vh;
  background: var(--color-bg-soft);
}

.standalone-detail-shell {
  display: grid;
  gap: var(--space-5);
  width: min(var(--page-max), calc(100vw - var(--space-8)));
  margin: 0 auto;
  padding: var(--space-6) 0 var(--space-12);
}

.standalone-detail-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.standalone-tool-detail {
  background: var(--color-white);
}

.tool-detail-page[hidden] {
  display: none;
}

.detail-back-action {
  justify-self: start;
}

.tool-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: var(--space-6);
  align-items: start;
}

.tool-detail-main,
.tool-detail-side {
  display: grid;
  gap: var(--space-4);
}

.tool-detail-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.tool-detail-icon {
  display: grid;
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-icon);
  color: var(--color-white);
  font-size: var(--text-h3);
  font-weight: var(--weight-title);
  line-height: var(--leading-title);
}

.tool-detail-title-row h1 {
  margin-bottom: 0;
  font-size: var(--text-h2);
}

.tool-detail-summary {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--color-body);
  overflow-wrap: anywhere;
}

.tool-detail-block,
.tool-detail-meta div {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg-soft);
}

.tool-detail-block h2,
.tool-detail-block h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-card-title);
}

.tool-detail-block p {
  margin-bottom: 0;
  color: var(--color-body);
  font-size: var(--text-helper);
  line-height: var(--leading-body);
  overflow-wrap: anywhere;
}

.tool-detail-block ul {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding-left: 0;
  list-style: none;
  color: var(--color-body);
  font-size: var(--text-helper);
  line-height: var(--leading-helper);
}

.changelog-item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-white);
}

.changelog-item > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.changelog-item strong {
  color: var(--color-title);
  font-size: var(--text-helper);
}

.changelog-item time {
  color: var(--color-muted);
  font-size: var(--text-label);
}

.changelog-item p {
  margin: 0;
}

.changelog-latest {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-button);
  background: var(--color-bg-soft);
  color: var(--color-primary);
  font-size: var(--text-label);
  font-weight: var(--weight-strong);
}

.changelog-item.is-empty {
  color: var(--color-muted);
}

.tool-detail-info-grid,
.tool-detail-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.tool-detail-meta {
  grid-template-columns: 1fr;
  margin-bottom: 0;
}

.tool-detail-meta dt {
  color: var(--color-muted);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.tool-detail-meta dd {
  margin: var(--space-1) 0 0;
  color: var(--color-title);
  font-size: var(--text-helper);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-helper);
  overflow-wrap: anywhere;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.detail-entry {
  min-height: 36px;
  padding: 0 var(--space-3);
}

.empty-state {
  padding: var(--space-8);
  color: var(--color-muted);
  background: var(--color-bg-soft);
  font-size: var(--text-helper);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
  text-align: center;
  box-shadow: none;
}

.loading-state {
  color: var(--color-primary-ink);
  border-color: var(--color-primary-border);
  background: var(--color-primary-soft);
}

.error-state {
  color: var(--color-danger);
  border-color: var(--color-danger-border);
  background: var(--color-danger-soft);
}

.toast {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  transform: translateY(var(--space-4));
  max-width: min(360px, calc(100vw - var(--space-8)));
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-button);
  color: var(--color-white);
  background: var(--color-title);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  font-size: var(--text-helper);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.modal {
  width: min(620px, calc(100vw - var(--space-8)));
  padding: 0;
  border: 0;
  border-radius: var(--radius-card);
  background: transparent;
}

.small-modal {
  width: min(480px, calc(100vw - var(--space-8)));
}

#paymentDialog {
  width: min(720px, calc(100vw - var(--space-8)));
}

.account-modal {
  width: min(1040px, calc(100vw - var(--space-8)));
  max-height: 85vh;
}

.pricing-modal {
  width: min(980px, calc(100vw - var(--space-8)));
}

.developer-application-modal {
  width: min(720px, calc(100vw - var(--space-8)));
}

.review-modal {
  width: min(1040px, calc(100vw - var(--space-8)));
}

.modal::backdrop {
  background: var(--overlay-backdrop);
}

.submit-form {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6);
}

.account-center-panel {
  max-height: 85vh;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.account-center-scroll {
  min-height: 0;
  overflow: auto;
  padding-right: var(--space-1);
}

.account-center-layout {
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.account-center-sidebar,
.account-center-content {
  display: grid;
  gap: var(--space-4);
  min-width: 0;
}

.account-center-sidebar {
  position: sticky;
  top: 0;
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
}

.modal-head h2 {
  margin-bottom: 0;
  font-size: var(--text-h2);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.payment-summary {
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.payment-summary div {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg-soft);
}

.payment-summary dt {
  color: var(--color-muted);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.payment-summary dd {
  margin: 0;
  color: var(--color-title);
  overflow-wrap: anywhere;
  font-weight: var(--weight-strong);
}

.payment-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.payment-qr-card {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
}

.payment-qr-card h3 {
  margin: 0;
  color: var(--color-title);
  font-size: var(--text-card-title);
}

.payment-qr-card img {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  justify-self: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-bg-soft);
}

.payment-qr-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-helper);
  line-height: var(--leading-helper);
}

.payment-contact-form {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg-soft);
}

.payment-contact-form h3,
.payment-contact-form p {
  margin: 0;
}

.payment-contact-form h3 {
  color: var(--color-title);
  font-size: var(--text-card-title);
}

.payment-contact-form p {
  color: var(--color-muted);
  font-size: var(--text-helper);
  line-height: var(--leading-helper);
}

.payment-contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.payment-contact-grid label {
  gap: var(--space-2);
}

.payment-contact-grid label:last-child {
  grid-column: 1 / -1;
}

.payment-contact-hint {
  color: var(--color-body);
}

.order-detail-summary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.order-detail-message {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg-soft);
}

.permission-list {
  display: grid;
  gap: var(--space-2);
}

.permission-list span {
  padding: var(--space-permission-y) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  color: var(--color-body);
  background: var(--color-bg-soft);
  font-size: var(--text-helper);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.account-summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: 0;
}

.account-summary div {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg-soft);
}

.account-summary dt {
  color: var(--color-muted);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.account-summary dd {
  margin: var(--space-2) 0 0;
  color: var(--color-title);
  font-size: var(--text-helper);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-helper);
  overflow-wrap: anywhere;
}

.download-history,
.membership-orders,
.developer-application,
.developer-submissions {
  display: grid;
  gap: var(--space-3);
}

.download-history h3,
.membership-orders h3,
.developer-application h3,
.developer-submissions h3 {
  margin: 0;
  font-size: var(--text-card-title);
  font-weight: var(--weight-card-title);
}

.download-history-list,
.membership-order-list,
.developer-application-form,
.developer-submission-list {
  display: grid;
  gap: var(--space-2);
}

.developer-application-form {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-white);
}

.download-history-list,
.membership-order-list {
  max-height: 220px;
  overflow: auto;
}

.developer-submission-list {
  max-height: 360px;
  overflow: auto;
}

.download-history-item,
.membership-order-item,
.developer-submission-item,
.empty-history {
  margin: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-bg-soft);
}

.download-history-item,
.membership-order-item,
.developer-submission-item {
  display: grid;
  gap: var(--space-3);
}

.download-history-item strong,
.membership-order-item strong,
.developer-submission-item strong {
  color: var(--color-title);
  font-size: var(--text-helper);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-helper);
}

.download-history-item span,
.membership-order-item span,
.developer-submission-item span,
.empty-history {
  color: var(--color-muted);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  line-height: var(--leading-helper);
}

.empty-history.loading-state {
  color: var(--color-primary-ink);
}

.empty-history.error-state {
  color: var(--color-danger);
}

.membership-order-item {
  gap: var(--space-3);
}

.membership-order-item > div,
.membership-order-item dl {
  display: grid;
  gap: var(--space-2);
}

.membership-order-item > div {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.membership-order-item dl {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
}

.membership-order-item dt {
  color: var(--color-muted);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.membership-order-item dd {
  margin: 0;
  color: var(--color-title);
  overflow-wrap: anywhere;
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.order-detail-action {
  justify-self: end;
}

.developer-submission-item > div,
.developer-submission-item dl {
  display: grid;
  gap: var(--space-2);
}

.developer-submission-item > div {
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
}

.developer-submission-item > div strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.developer-submission-item dl {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
}

.developer-submission-item dt {
  color: var(--color-muted);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.developer-submission-item dd {
  margin: 0;
  color: var(--color-title);
  overflow-wrap: anywhere;
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.developer-submission-item p {
  margin: 0;
  color: var(--color-warning);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.developer-edit-action {
  justify-self: end;
}

.order-status {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-button);
  background: var(--color-bg);
  font-size: var(--text-label);
  font-weight: var(--weight-strong);
}

.order-status.pending {
  color: var(--color-warning);
}

.order-status.paid {
  color: var(--color-success);
}

.order-status.cancelled {
  color: var(--color-muted);
}

.order-status.canceled,
.order-status.expired {
  color: var(--color-muted);
}

.debug-role-switcher {
  display: none;
}

.debug-action {
  display: none;
}

html[data-debug-auth="enabled"] .debug-role-switcher {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg-soft);
}

html[data-debug-auth="enabled"] .debug-action {
  display: inline-flex;
}

.debug-role-switcher-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.debug-role-switcher-head span {
  color: var(--color-title);
  font-weight: var(--weight-card-title);
}

.debug-role-switcher-head small {
  font-size: var(--text-label);
}

.debug-role-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.debug-role-buttons button {
  min-height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-white);
  color: var(--color-body);
  font-size: var(--text-label);
  font-weight: var(--weight-card-title);
  cursor: pointer;
}

.debug-role-buttons button.is-active {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.form-toggle {
  justify-content: start;
}

.review-list {
  display: grid;
  gap: var(--space-3);
  max-height: min(360px, calc(100vh - 360px));
  overflow: auto;
}

.admin-dashboard-modal {
  width: min(1120px, calc(100vw - var(--space-8)));
}

.admin-dashboard {
  display: grid;
  gap: var(--space-4);
  max-height: min(680px, calc(100vh - 210px));
  overflow: auto;
  padding-right: var(--space-1);
}

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

.admin-dashboard-card {
  min-height: 112px;
}

.admin-dashboard-section {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.admin-dashboard-section h3 {
  margin: 0;
  font-size: var(--text-card-title);
}

.admin-dashboard-mini-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-dashboard-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.admin-tools-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.review-log-toolbar {
  flex-wrap: wrap;
}

.admin-tools-toolbar label {
  display: grid;
  gap: var(--space-1);
  color: var(--color-muted);
  font-size: var(--text-label);
  font-weight: var(--weight-card-title);
}

.admin-tools-toolbar select {
  min-width: 180px;
}

.review-item {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.review-item-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.review-item h3 {
  margin-bottom: var(--space-1);
  font-size: var(--text-card-title);
  font-weight: var(--weight-card-title);
}

.review-item p {
  margin: 0;
  color: var(--color-body);
  font-size: var(--text-helper);
  line-height: var(--leading-helper);
}

.review-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
}

.review-change-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-bg-soft);
}

.review-meta div {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-bg-soft);
}

.review-change-summary div {
  display: grid;
  gap: var(--space-1);
}

.review-meta dt,
.review-change-summary dt {
  color: var(--color-muted);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.review-meta dd,
.review-change-summary dd {
  margin: var(--space-1) 0 0;
  color: var(--color-title);
  font-size: var(--text-helper);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-helper);
  overflow-wrap: anywhere;
}

.review-detail-panel {
  max-height: min(520px, calc(100vh - 260px));
  overflow: auto;
}

.review-detail-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.review-detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.review-detail-head h3 {
  margin: 0 0 var(--space-1);
  font-size: var(--text-card-title);
}

.review-detail-head p {
  margin: 0;
  color: var(--color-body);
  font-size: var(--text-helper);
  line-height: var(--leading-helper);
}

.review-detail-grid,
.review-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.review-detail-grid div,
.review-comparison-grid div {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-bg-soft);
}

.review-comparison {
  display: grid;
  gap: var(--space-3);
}

.review-comparison h4 {
  margin: 0;
  font-size: var(--text-card-title);
}

.admin-related-list {
  display: grid;
  gap: var(--space-2);
}

.admin-related-list article {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-bg-soft);
}

.admin-related-list span {
  color: var(--color-muted);
  font-size: var(--text-helper);
  line-height: var(--leading-helper);
  overflow-wrap: anywhere;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.review-comparison-grid div.changed {
  border-color: var(--color-primary-border);
  background: var(--color-primary-soft);
}

.review-comparison-grid dd {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.review-detail-grid dt,
.review-comparison-grid dt {
  color: var(--color-muted);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.review-detail-grid dd,
.review-comparison-grid dd {
  margin: var(--space-1) 0 0;
  color: var(--color-title);
  font-size: var(--text-helper);
  font-weight: var(--weight-card-title);
  line-height: var(--leading-helper);
  overflow-wrap: anywhere;
}

.status-pill {
  flex: 0 0 auto;
  padding: var(--space-tag-y) var(--space-tag-x);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-button);
  color: var(--color-primary-ink);
  background: var(--color-primary-soft);
  font-size: var(--text-label);
  line-height: var(--leading-helper);
}

.debug-action {
  border-style: dashed;
}

.pricing-context {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-button);
  color: var(--color-primary-ink);
  background: var(--color-primary-soft);
}

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

.pricing-card {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  min-height: 100%;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.pricing-card.recommended {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-selected);
}

.pricing-card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-card-title);
  font-weight: var(--weight-card-title);
}

.price {
  display: block;
  color: var(--color-title);
  font-size: var(--text-h3);
  font-weight: var(--weight-title);
  line-height: var(--leading-title);
}

.pricing-card ul {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding-left: var(--space-5);
  color: var(--color-body);
  font-size: var(--text-helper);
  line-height: var(--leading-helper);
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: var(--space-4);
  }

  .nav-list {
    grid-auto-flow: column;
    margin-left: auto;
  }

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

  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .collection-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-detail-layout {
    grid-template-columns: 1fr;
  }

  .toolbar {
    grid-template-columns: minmax(220px, 1fr) auto;
  }

  .detail-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  :root {
    --card-padding: var(--space-4);
    --grid-gap: var(--space-4);
    --panel-padding: var(--space-4);
  }

  html,
  body {
    overflow-x: clip;
  }

  body {
    font-size: var(--text-body-mobile);
  }

  h1 {
    font-size: var(--text-hero-mobile);
  }

  .section-heading h2,
  .detail-panel h2,
  .modal-head h2 {
    font-size: var(--text-h2-mobile);
  }

  .main-view {
    padding: var(--space-5) var(--space-4) var(--space-8);
  }

  .app-shell,
  .main-view,
  .stack-page,
  .surface-panel {
    width: 100%;
  }

  .stack-page {
    gap: var(--space-5);
  }

  .topbar,
  .toolbar,
  .sidebar {
    align-items: stretch;
    flex-direction: column;
  }

  .payment-qr-grid,
  .payment-contact-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    gap: var(--space-4);
  }

  .topbar-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .topbar-actions .primary-action,
  .topbar-actions .secondary-action,
  .account-action,
  .toolbar .secondary-action,
  .toolbar .toggle-filter,
  .toolbar .reset-filters {
    width: 100%;
    max-width: none;
  }

  .toolbar,
  .tool-grid,
  .collection-links,
  .tool-detail-info-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .toolbar {
    gap: var(--space-3);
  }

  .search-box,
  .select-box {
    width: 100%;
  }

  .tool-detail-page {
    padding: var(--space-4);
  }

  .standalone-detail-shell {
    width: min(100vw - var(--space-4), var(--page-max));
    padding: var(--space-4) 0 var(--space-8);
  }

  .standalone-detail-nav {
    align-items: stretch;
    flex-direction: column;
  }

  .tool-detail-title-row {
    align-items: flex-start;
  }

  .tool-detail-icon {
    width: 52px;
    height: 52px;
    font-size: var(--text-card-title);
  }

  .tool-detail-title-row h1 {
    font-size: var(--text-h2-mobile);
  }

  .card-footer,
  .card-actions,
  .collection-page-head,
  .collection-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .card-footer {
    align-items: stretch;
  }

  .detail-entry,
  .status-button,
  .primary-action,
  .secondary-action,
  .danger-action {
    width: 100%;
    max-width: 100%;
    padding-right: var(--space-4);
    padding-left: var(--space-4);
    white-space: normal;
    text-align: center;
  }

  .nav-list {
    grid-auto-flow: row;
    margin-left: 0;
  }

  .segmented {
    overflow-x: auto;
  }

  .modal {
    width: min(100vw - var(--space-4), 620px);
    max-height: min(92vh, 720px);
  }

  .small-modal,
  .developer-application-modal,
  .pricing-modal,
  .review-modal {
    width: min(100vw - var(--space-4), 980px);
    max-height: min(92vh, 720px);
  }

  .submit-form {
    max-height: min(92vh, 720px);
    overflow: auto;
    padding: var(--space-4);
  }

  .form-grid,
  .account-summary,
  .payment-contact-grid,
  .order-detail-summary,
  .review-detail-grid,
  .review-comparison-grid,
  .review-change-summary,
  .review-meta,
  .admin-dashboard-metrics,
  .admin-dashboard-mini-grid,
  .admin-dashboard-split,
  .modal-actions {
    grid-template-columns: 1fr;
  }

  .review-comparison-grid dd {
    grid-template-columns: 1fr;
  }

  .account-modal {
    width: min(100vw - var(--space-4), 1040px);
    max-height: 85vh;
  }

  .account-center-panel {
    padding: var(--space-4);
  }

  .account-center-scroll {
    padding-right: 0;
  }

  .account-center-layout {
    grid-template-columns: 1fr;
  }

  .account-center-sidebar {
    position: static;
  }

  .developer-submission-item > div,
  .developer-submission-item dl,
  .membership-order-item > div,
  .membership-order-item dl {
    grid-template-columns: 1fr;
  }

  .order-detail-action,
  .developer-edit-action {
    justify-self: stretch;
  }

  .review-item-head {
    display: grid;
  }

  .review-list,
  .review-detail-panel,
  .download-history-list,
  .membership-order-list,
  .developer-submission-list {
    max-height: min(54vh, 420px);
  }

  .modal-actions {
    display: grid;
  }
}

@media (max-width: 480px) {
  :root {
    --text-hero-mobile: 30px;
    --text-h2-mobile: 23px;
    --space-section: 64px;
  }

  .main-view {
    padding: var(--space-4) var(--space-3) var(--space-8);
  }

  .sidebar,
  .tool-detail-page,
  .submit-form {
    padding: var(--space-3);
  }

  .standalone-detail-shell {
    width: min(100vw - var(--space-3), var(--page-max));
    padding-top: var(--space-3);
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .tool-card,
  .pricing-card,
  .review-item,
  .review-detail-card,
  .membership-order-item,
  .developer-submission-item {
    padding: var(--space-3);
  }

  .tool-card-head,
  .tool-identity,
  .changelog-item > div,
  .debug-role-switcher-head,
  .review-detail-head {
    align-items: flex-start;
  }

  .tool-identity {
    gap: var(--space-2);
  }

  .tool-icon {
    width: 40px;
    height: 40px;
  }

  .tool-detail-title-row {
    gap: var(--space-3);
  }

  .tool-detail-icon {
    width: 46px;
    height: 46px;
  }

  .tool-detail-block,
  .tool-detail-meta div,
  .payment-summary div,
  .account-summary div,
  .review-meta div,
  .review-detail-grid div,
  .review-comparison-grid div {
    padding: var(--space-3);
  }

  .modal {
    width: calc(100vw - var(--space-3));
  }

  .modal-head,
  .review-detail-head {
    gap: var(--space-3);
  }

  .debug-role-buttons button,
  .segment {
    flex: 1 0 auto;
  }

  .toast {
    right: var(--space-3);
    bottom: var(--space-3);
    max-width: calc(100vw - var(--space-6));
  }
}