:root {
  color-scheme: light dark;
  --background: #f7f9fb;
  --surface: #ffffff;
  --surface-muted: #f0f4f8;
  --surface-raised: #ffffff;
  --text: #1b2430;
  --muted: #5f6b78;
  --border: #d7dfe7;
  --border-strong: #b9c6d2;
  --primary: #1775a9;
  --primary-strong: #0e5d8b;
  --primary-soft: #e7f3fa;
  --good: #187a55;
  --good-soft: #e7f7ef;
  --warn: #8a5200;
  --warn-soft: #fff4df;
  --bad: #b3261e;
  --bad-soft: #fff0ef;
  --shadow-sm: 0 1px 2px rgb(24 39 55 / 7%);
  --shadow-md: 0 12px 30px rgb(24 39 55 / 9%);
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #111820;
    --surface: #19232d;
    --surface-muted: #222e39;
    --surface-raised: #1d2833;
    --text: #edf3f8;
    --muted: #aab8c5;
    --border: #344352;
    --border-strong: #506274;
    --primary: #69bceb;
    --primary-strong: #94d1f3;
    --primary-soft: #183a4d;
    --good: #75d2a8;
    --good-soft: #17392c;
    --warn: #ffd083;
    --warn-soft: #42341d;
    --bad: #ff9a95;
    --bad-soft: #462422;
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 25%);
    --shadow-md: 0 12px 30px rgb(0 0 0 / 24%);
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Montserrat, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: var(--primary);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--primary-strong);
}

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

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.tool-title {
  font-size: 1.12rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

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

button,
.button-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--primary);
  border-radius: 6px;
  background: var(--primary);
  color: white;
  cursor: pointer;
  font-weight: 700;
  padding: 9px 14px;
  text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease, transform 120ms ease;
}

button:hover:not(:disabled),
.button-link:hover:not(.disabled) {
  border-color: var(--primary-strong);
  background: var(--primary-strong);
  color: white;
}

button:active:not(:disabled),
.button-link:active:not(.disabled) {
  transform: translateY(1px);
}

button.secondary {
  border-color: var(--border-strong);
  background: var(--surface);
  color: var(--text);
}

button.secondary:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

button.compact,
.button-link.compact {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 0.8rem;
}

button:disabled,
.button-link.disabled {
  cursor: not-allowed;
  opacity: 0.55;
  pointer-events: none;
}

input,
select,
textarea {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
}

textarea {
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: color-mix(in srgb, var(--muted) 78%, transparent);
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 35%, transparent);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-150%);
  border-radius: 6px;
  background: var(--text);
  color: var(--surface);
  padding: 8px 12px;
}

.skip-link:focus {
  transform: translateY(0);
}

.tool-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.tool-header-inner,
.shell,
.app-footer {
  width: min(1240px, calc(100% - 32px));
  margin-inline: auto;
}

.tool-header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 10px;
}

.tool-identity,
.title-row,
.tool-nav,
.header-controls,
.field-actions,
.selection-actions,
.actions,
.result-pills,
.result-card-footer,
.pagination {
  display: flex;
  align-items: center;
}

.tool-identity {
  min-width: 0;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 10px;
  background: var(--primary);
  color: white;
  text-decoration: none;
}

.brand-mark img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.brand-mark:hover {
  color: white;
}

.title-row {
  min-width: 0;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-byline {
  margin: 2px 0 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.experimental-badge {
  display: inline-flex;
  border: 1px solid color-mix(in srgb, var(--warn) 36%, var(--border));
  border-radius: 5px;
  background: var(--warn-soft);
  color: var(--warn);
  padding: 2px 7px;
  font-size: 0.67rem;
  font-weight: 700;
}

.tool-nav {
  flex: 0 0 auto;
  gap: 4px;
}

.header-controls {
  min-width: 0;
  justify-content: flex-end;
  gap: 8px;
}

.toolkit-back-icon {
  display: inline-grid;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 6px;
  place-items: center;
  text-decoration: none;
}

.toolkit-back-icon[hidden] {
  display: none;
}

.toolkit-back-icon img {
  width: 18px;
  height: 18px;
}

.toolkit-back-icon:hover {
  background: var(--primary-soft);
}

.tool-nav a {
  border-radius: 6px;
  color: var(--muted);
  padding: 8px 10px;
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
}

.tool-nav a:hover,
.tool-nav a[aria-current="page"] {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.shell {
  display: grid;
  gap: 16px;
  padding-block: 24px 18px;
}

.intro-panel,
.explorer-hero {
  display: grid;
  align-items: center;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.8fr);
  border: 1px solid color-mix(in srgb, var(--primary) 23%, var(--border));
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 92% 12%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 30%),
    var(--surface);
  box-shadow: var(--shadow-sm);
  padding: clamp(20px, 4vw, 32px);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.intro-panel h2,
.explorer-hero h2 {
  max-width: 700px;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: -0.035em;
}

.lede {
  max-width: 750px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.workflow-summary {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workflow-summary li {
  display: grid;
  gap: 2px;
  grid-template-columns: 76px minmax(0, 1fr);
  border-bottom: 1px solid var(--border);
  padding: 9px 0;
}

.workflow-summary li:last-child {
  border-bottom: 0;
}

.workflow-summary span {
  color: var(--muted);
  font-size: 0.86rem;
}

.start-callout,
.selection-bar,
.selection-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.start-callout {
  border: 1px solid color-mix(in srgb, var(--good) 35%, var(--border));
  border-radius: var(--radius);
  background: var(--good-soft);
  color: var(--good);
  padding: 14px 16px;
}

.start-callout p {
  margin: 2px 0 0;
  font-size: 0.84rem;
}

.start-callout a {
  flex: 0 0 auto;
  color: inherit;
  font-weight: 700;
}

.panel,
.search-panel,
.selection-bar {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  padding: 20px;
}

.panel[hidden],
.status[hidden],
[hidden] {
  display: none;
}

.panel.is-collapsed {
  box-shadow: none;
  padding-block: 14px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}

.section-heading-copy {
  min-width: 0;
  flex: 1;
}

.section-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.section-heading .step-summary {
  margin-top: 6px;
  font-weight: 650;
}

.step {
  display: inline-grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-size: 0.85rem;
  font-weight: 800;
}

.form-grid,
.filter-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.connected-account,
.auth-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  border: 1px solid color-mix(in srgb, var(--primary) 28%, var(--border));
  border-radius: 7px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  padding: 12px 14px;
}

.auth-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

.connected-account p,
.auth-status p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.auth-status.is-signed-in {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.auth-status.is-signed-in #authStatusTitle {
  color: var(--good);
}

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

.account-panel {
  margin-bottom: 0;
  box-shadow: var(--shadow-sm);
}

.account-panel #authStatusTitle {
  font-size: 0.95rem;
}

.classic-scope-summary {
  min-width: 0;
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  color: var(--text);
}

.classic-scope-summary-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px 18px;
}

.classic-scope-summary-heading > div {
  min-width: 0;
}

.classic-scope-summary-heading h3 {
  font-size: 0.88rem;
}

.classic-scope-summary-heading p {
  margin: 2px 0 0;
}

.classic-scope-summary-toggle {
  flex: 0 0 auto;
}

.classic-scope-counts {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 10px 0 0;
}

.classic-scope-counts > div {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-muted);
  padding: 10px 12px;
}

.classic-scope-counts dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.classic-scope-counts dd {
  margin-inline: 0;
}

.classic-scope-count {
  grid-column: 2;
  grid-row: 1;
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.2;
}

.classic-scope-description {
  grid-column: 1 / -1;
  margin-top: 3px;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 0.72rem;
}

.classic-replacement-mix {
  display: grid;
  grid-column: 1 / -1;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 10px;
}

.classic-sharing-card {
  align-content: start;
}

.classic-sharing-mix {
  display: grid;
  grid-column: 1 / -1;
  gap: 7px;
  margin-top: 12px;
}

.classic-sharing-mix > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.78rem;
}

.classic-sharing-mix strong {
  color: var(--text);
  font-size: 0.84rem;
}

button.classic-replacement-filter {
  min-width: 0;
  min-height: 48px;
  justify-content: space-between;
  gap: 8px;
  border-color: var(--border-strong);
  padding: 8px 10px;
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 600;
  text-align: start;
}

button.classic-replacement-filter strong {
  flex: 0 0 auto;
  color: var(--text);
  font-size: 1rem;
}

button.classic-replacement-filter.needs-replacement {
  border-color: color-mix(in srgb, var(--warn) 30%, var(--border));
  background: var(--warn-soft);
}

button.classic-replacement-filter.replacement-set {
  border-color: color-mix(in srgb, var(--good) 30%, var(--border));
  background: var(--good-soft);
}

button.classic-replacement-filter:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.classic-scope-summary-error {
  margin: 8px 0 0 !important;
  color: var(--bad) !important;
}

.form-grid.has-connected-account {
  grid-template-columns: 1fr;
}

.field {
  display: grid;
  min-width: 0;
  gap: 7px;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
}

.field small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 450;
  line-height: 1.45;
}

.field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.field-actions {
  gap: 10px;
}

.clear-field-button {
  display: inline;
  min-height: 0;
  border: 0;
  background: transparent;
  color: var(--primary);
  padding: 0;
  font-size: 0.76rem;
  font-weight: 750;
}

.clear-field-button:hover:not(:disabled) {
  border: 0;
  background: transparent;
  color: var(--primary-strong);
  text-decoration: underline;
}

.actions {
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.actions-between {
  justify-content: space-between;
}

.status,
.empty,
.created-link {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-muted);
  color: var(--muted);
  padding: 12px;
  line-height: 1.5;
}

.status.good {
  border-color: color-mix(in srgb, var(--good) 38%, var(--border));
  background: var(--good-soft);
  color: var(--good);
}

.status.warn {
  border-color: color-mix(in srgb, var(--warn) 38%, var(--border));
  background: var(--warn-soft);
  color: var(--warn);
}

.status.bad {
  border-color: color-mix(in srgb, var(--bad) 38%, var(--border));
  background: var(--bad-soft);
  color: var(--bad);
}

.shortlist-category-note {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  border: 1px solid color-mix(in srgb, var(--bad) 38%, var(--border));
  border-radius: 6px;
  background: color-mix(in srgb, var(--bad) 8%, var(--surface));
  color: var(--text);
  padding: 12px;
  line-height: 1.5;
}

.shortlist-category-note-icon {
  display: grid;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--bad);
  color: white;
  font-weight: 800;
}

.selection-toolbar {
  margin-bottom: 12px;
  border-radius: 6px;
  background: var(--surface-muted);
  padding: 10px 12px;
}

.selection-toolbar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.selection-actions {
  flex-wrap: wrap;
  gap: 8px;
}

.option-card {
  display: grid;
  align-items: flex-start;
  gap: 10px;
  grid-template-columns: auto minmax(0, 1fr);
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
  padding: 12px;
  color: var(--text);
  font-size: 0.9rem;
}

.option-card input,
.result-select input {
  width: 18px;
  min-height: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary);
}

.option-card strong,
.option-card small {
  display: block;
}

.option-card small {
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.45;
}

.browser-run-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.bulk-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.bulk-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.bulk-table th,
.bulk-table td {
  border-bottom: 1px solid var(--border);
  padding: 11px;
  text-align: left;
  vertical-align: top;
}

.bulk-table tr:last-child td {
  border-bottom: 0;
}

.bulk-table th {
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.bulk-table .empty {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: center;
}

.unsupported-row {
  opacity: 0.68;
}

.bulk-row-title {
  color: var(--text);
  font-weight: 750;
}

.bulk-row-meta,
.bulk-row-warning {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.bulk-row-warning {
  color: var(--warn);
}

.bulk-row-link {
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.template-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--primary) 28%, var(--border));
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 750;
}

.template-mapping {
  display: grid;
  gap: 5px;
  justify-items: start;
}

.template-recipe {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.recipe-details {
  min-width: 0;
  margin-top: 2px;
}

.recipe-details summary {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  list-style: none;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
}

.recipe-details summary::-webkit-details-marker {
  display: none;
}

.recipe-details summary:hover {
  text-decoration: underline;
}

.recipe-details summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.recipe-details summary::after {
  content: "▾";
  display: inline-block;
}

.recipe-details[open] summary::after {
  transform: rotate(180deg);
}

.recipe-panel {
  width: min(440px, 70vw);
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-muted);
  padding: 10px;
  color: var(--text);
  font-size: 0.8rem;
  line-height: 1.4;
}

.recipe-panel dl,
.recipe-panel dd {
  margin: 0;
}

.recipe-panel dl {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.recipe-panel dt {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.template-note {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.82rem;
}

.template-note strong {
  color: var(--text);
}

.template-pill.coming-soon,
.template-pill.prior {
  border-color: color-mix(in srgb, var(--warn) 35%, var(--border));
  background: var(--warn-soft);
  color: var(--warn);
}

.template-pill.muted {
  border-color: var(--border);
  background: var(--surface-muted);
  color: var(--muted);
}

.bulk-task-status,
.prior-conversion-signal,
.bulk-result-link-row {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.bulk-task-spinner {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  border: 2px solid color-mix(in srgb, currentColor 24%, transparent);
  border-top-color: currentColor;
  border-radius: 50%;
  color: var(--primary);
  animation: bulk-task-spin 0.8s linear infinite;
}

@keyframes bulk-task-spin {
  to { transform: rotate(360deg); }
}

.bulk-result-links {
  display: grid;
  gap: 6px;
  margin-top: 4px;
}

.copy-link-button {
  display: inline-grid;
  width: 30px;
  min-height: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border-color: var(--border-strong);
  background: var(--surface);
  color: var(--primary);
  padding: 0;
}

.copy-link-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.copy-link-button.is-copied {
  border-color: var(--good);
  color: var(--good);
}

.copy-link-status,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.prior-conversion-signal {
  flex-wrap: wrap;
  margin-top: 8px;
}

.worker-frame {
  position: absolute;
  top: -9999px;
  left: -9999px;
  width: 1px;
  height: 1px;
  border: 0;
}

/* Conversion guide shell; the article keeps its intentionally simple reading layout. */
.guide-page .tool-header {
  overflow: visible;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 0;
}

.guide-page .tool-header::before {
  content: none;
}

.guide-page .tool-header h1 {
  font-size: 1.12rem;
}

.guide-main > header h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.guide-main > header,
.guide-main > section {
  border-color: var(--border);
  background: var(--surface);
}

.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding-block: 18px 36px;
  color: var(--muted);
  font-size: 0.78rem;
}

.app-footer p {
  max-width: 90ch;
  margin: 0;
  line-height: 1.55;
}

.app-footer-copy {
  display: grid;
  gap: 4px;
}

.app-footer .app-footer-meta {
  color: var(--muted);
  font-size: 0.74rem;
}

/* Classic Story Explorer */
.explorer-shell {
  gap: 18px;
}

.explorer-hero {
  grid-template-columns: minmax(0, 1fr) 180px;
}

.hero-stat {
  display: grid;
  justify-items: center;
  border-left: 1px solid var(--border);
  color: var(--muted);
  padding: 14px;
  text-align: center;
}

.hero-stat strong {
  color: var(--primary);
  font-size: 2.8rem;
  line-height: 1;
}

.hero-stat span {
  max-width: 140px;
  margin-top: 6px;
  font-size: 0.8rem;
}

.search-form {
  display: grid;
  align-items: end;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.search-form button {
  min-width: 112px;
}

.filter-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 14px;
}

.selection-bar {
  position: sticky;
  z-index: 20;
  top: 88px;
  border-color: color-mix(in srgb, var(--primary) 28%, var(--border));
  box-shadow: var(--shadow-md);
}

.selection-bar p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.selection-bar .actions {
  flex: 0 0 auto;
  margin: 0;
}

.results-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding-top: 4px;
}

.results-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.result-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.result-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.result-card:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 35%, transparent);
  outline-offset: 2px;
}

.result-card.is-selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 18%, transparent);
}

.result-thumbnail {
  position: relative;
  display: grid;
  aspect-ratio: 16 / 8.5;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(145deg, var(--primary-soft), var(--surface-muted));
  color: var(--primary-strong);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.result-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.result-access-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  display: inline-flex;
  max-width: calc(100% - 20px);
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow-sm);
  color: var(--text);
  padding: 5px 8px;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: normal;
  line-height: 1.2;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
}

.result-card.is-selected .result-access-badge {
  max-width: calc(100% - 74px);
}

.result-select {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow-sm);
  color: var(--text);
  padding: 7px 9px;
  font-size: 0.75rem;
  font-weight: 750;
  text-transform: none;
}

.result-select input {
  margin: 0;
}

.result-card-body {
  display: flex;
  min-height: 250px;
  flex: 1;
  flex-direction: column;
  padding: 14px;
}

.result-pills {
  flex-wrap: wrap;
  gap: 6px;
}

.result-card h3 {
  margin-top: 12px;
  font-size: 1rem;
}

.result-owner {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.result-description {
  display: -webkit-box;
  overflow: hidden;
  margin: 12px 0;
  color: var(--muted);
  font-size: 0.83rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.result-card-footer {
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 11px;
  color: var(--muted);
  font-size: 0.76rem;
}

.result-card-footer a {
  font-weight: 700;
}

.detail-link-button {
  min-height: 0;
  border: 0;
  background: transparent;
  color: var(--primary);
  padding: 0;
  font-size: 0.76rem;
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.detail-link-button:hover:not(:disabled) {
  border: 0;
  background: transparent;
  color: var(--primary-strong);
}

.detail-backdrop {
  position: fixed;
  z-index: 70;
  inset: 0;
  background: rgb(10 20 30 / 46%);
  backdrop-filter: blur(2px);
}

.detail-panel {
  position: fixed;
  z-index: 80;
  top: 0;
  right: 0;
  display: flex;
  width: min(520px, calc(100% - 36px));
  height: 100dvh;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: var(--surface);
  box-shadow: -18px 0 45px rgb(10 20 30 / 20%);
}

.detail-panel[hidden],
.detail-backdrop[hidden] {
  display: none;
}

.detail-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  padding: 20px;
}

.detail-panel-header h2 {
  overflow-wrap: anywhere;
}

.detail-panel-body {
  overflow-y: auto;
  padding: 20px;
}

.detail-open {
  overflow: hidden;
}

.detail-pills,
.detail-tags > div {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.detail-summary {
  margin: 16px 0;
  color: var(--muted);
  line-height: 1.6;
}

.detail-metadata {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 7px;
  overflow: hidden;
}

.detail-metadata div {
  min-width: 0;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 11px 12px;
}

.detail-metadata div:nth-child(2n) {
  border-right: 0;
}

.detail-metadata div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.detail-metadata dt {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.detail-metadata dd {
  margin: 4px 0 0;
  font-size: 0.84rem;
  font-weight: 650;
  overflow-wrap: anywhere;
}

.detail-item-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem !important;
}

.detail-tags {
  margin-top: 18px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.detail-tags h3 {
  margin-bottom: 10px;
}

.detail-tags span {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  padding: 4px 8px;
  font-size: 0.72rem;
}

.detail-quick-actions,
.detail-actions {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.detail-quick-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0 0 18px;
}

.button-link.secondary-link {
  border-color: var(--border-strong);
  background: var(--surface);
  color: var(--text);
}

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

.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 48px 20px;
  text-align: center;
}

.empty-state p {
  margin: 6px 0 0;
  color: var(--muted);
}

.pagination {
  justify-content: center;
  gap: 14px;
  padding: 6px 0 16px;
}

.pagination span {
  min-width: 70px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.skeleton {
  background: linear-gradient(90deg, var(--surface-muted), color-mix(in srgb, var(--surface-muted) 60%, var(--surface)), var(--surface-muted));
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
}

.skeleton.line {
  height: 14px;
  margin-top: 14px;
  border-radius: 4px;
}

.skeleton.line.short {
  width: 42%;
}

@keyframes skeleton-shimmer {
  to { background-position: -200% 0; }
}

@media (max-width: 960px) {
  .intro-panel,
  .explorer-hero {
    grid-template-columns: 1fr;
  }

  .workflow-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .workflow-summary li {
    display: block;
    border-right: 1px solid var(--border);
    border-bottom: 0;
    padding: 0 12px 0 0;
  }

  .workflow-summary li:last-child {
    border-right: 0;
  }

  .workflow-summary span {
    display: block;
    margin-top: 3px;
  }

  .hero-stat {
    grid-template-columns: auto auto;
    justify-content: start;
    align-items: center;
    gap: 12px;
    border-top: 1px solid var(--border);
    border-left: 0;
    padding: 14px 0 0;
    text-align: left;
  }

  .hero-stat span {
    margin: 0;
  }

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

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

@media (max-width: 720px) {
  .tool-header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .tool-nav {
    width: 100%;
    overflow-x: auto;
  }

  .header-controls {
    width: 100%;
    flex-wrap: wrap;
  }

  .header-controls .tool-nav {
    flex: 1 1 100%;
  }

  .tool-nav a {
    flex: 1;
    text-align: center;
  }

  .tool-byline {
    white-space: normal;
  }

  .shell {
    padding-top: 16px;
  }

  .form-grid,
  .filter-grid,
  .search-form {
    grid-template-columns: 1fr;
  }

  .search-form button {
    width: 100%;
  }

  .start-callout,
  .connected-account,
  .auth-status,
  .selection-bar,
  .selection-toolbar,
  .app-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .auth-actions {
    width: 100%;
  }

  .auth-status {
    grid-template-columns: 1fr;
  }

  .classic-scope-summary-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .classic-scope-summary-heading p {
    text-align: start;
  }

  .auth-actions > * {
    flex: 1;
  }

  .selection-bar {
    top: 126px;
  }

  .selection-bar .actions,
  .selection-actions {
    width: 100%;
  }

  .selection-bar .actions > *,
  .selection-actions > * {
    flex: 1;
  }

  .actions-between {
    align-items: stretch;
    flex-direction: column;
  }

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

  .result-card {
    display: grid;
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .result-thumbnail {
    aspect-ratio: auto;
  }

  .result-select {
    top: 8px;
    right: 8px;
  }

  .result-access-badge {
    top: 8px;
    left: 8px;
  }

  .result-select span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .result-card-body {
    min-height: 220px;
  }

  .detail-panel {
    width: min(520px, 100%);
  }
}

@media (max-width: 480px) {
  .tool-header-inner,
  .shell,
  .app-footer {
    width: min(100% - 20px, 1240px);
  }

  .experimental-badge {
    display: none;
  }

  .intro-panel,
  .explorer-hero,
  .panel,
  .search-panel,
  .selection-bar {
    padding: 16px;
  }

  .workflow-summary {
    grid-template-columns: 1fr;
  }

  .workflow-summary li {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 7px 0;
  }

  .result-card {
    display: flex;
  }

  .result-thumbnail {
    aspect-ratio: 16 / 7;
  }

  .detail-quick-actions {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .tool-header,
  .selection-bar,
  .actions,
  .result-select,
  .app-footer {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .panel,
  .result-card {
    box-shadow: none;
  }
}