/* Scan2Flow fake data — marketing palette + dashboard shell */

:root {
  color-scheme: light;
  --demo-bg: #f1f5f9;
  --demo-bg-elevated: #ffffff;
  --demo-text: #0f172a;
  --demo-text-muted: #475569;
  --demo-text-subtle: #64748b;
  --demo-border: #e2e8f0;
  --demo-border-strong: #cbd5e1;
  --demo-surface: #ffffff;
  --demo-surface-muted: #f8fafc;
  --demo-accent: #059669;
  --demo-accent-hover: #047857;
  --demo-accent-soft: #ecfdf5;
  --demo-accent-border: #a7f3d0;
  --demo-shadow-sm: 0 1px 2px rgb(15 23 42 / 0.06);
  --demo-shadow: 0 4px 24px rgb(15 23 42 / 0.08);
  --demo-radius: 0.375rem;
  --demo-radius-lg: 0.5rem;
  --demo-font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --dash-sidebar-w: 15.5rem;
  --dash-header-h: 4.75rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --demo-bg: #0f172a;
    --demo-bg-elevated: #1e293b;
    --demo-text: #f1f5f9;
    --demo-text-muted: #cbd5e1;
    --demo-text-subtle: #94a3b8;
    --demo-border: #334155;
    --demo-border-strong: #475569;
    --demo-surface: #1e293b;
    --demo-surface-muted: #0f172a;
    --demo-accent: #34d399;
    --demo-accent-hover: #6ee7b7;
    --demo-accent-soft: rgb(6 78 59 / 0.4);
    --demo-accent-border: rgb(6 95 70 / 0.55);
    --demo-shadow-sm: 0 1px 2px rgb(0 0 0 / 0.2);
    --demo-shadow: 0 8px 32px rgb(0 0 0 / 0.35);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--demo-font);
  background: var(--demo-bg);
  color: var(--demo-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--demo-accent);
  text-decoration: none;
}

a:hover {
  color: var(--demo-accent-hover);
  text-decoration: underline;
}

button,
input,
select {
  font: inherit;
}

/* ─── Dashboard app shell ─── */

.dash-app {
  display: flex;
  min-height: 100vh;
}

.dash-sidebar {
  display: none;
  width: var(--dash-sidebar-w);
  flex-shrink: 0;
  flex-direction: column;
  border-right: 1px solid var(--demo-border);
  background: var(--demo-bg-elevated);
}

@media (min-width: 900px) {
  .dash-sidebar {
    display: flex;
    position: sticky;
    top: 0;
    height: 100vh;
  }
}

.dash-sidebar-brand {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.65rem;
  height: var(--dash-header-h);
  min-height: var(--dash-header-h);
  padding: 0 1rem;
  border-bottom: 1px solid var(--demo-border);
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
}

.dash-sidebar-brand:hover {
  text-decoration: none;
  color: inherit;
}

.dash-sidebar-brand img {
  width: 1.75rem;
  height: 1.75rem;
}

.dash-sidebar-brand strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.dash-sidebar-brand span {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--demo-text-subtle);
}

.dash-nav {
  flex: 1;
  padding: 0.75rem 0.65rem;
  overflow-y: auto;
}

.dash-nav-label {
  padding: 0.35rem 0.5rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--demo-text-subtle);
}

.dash-nav-btn {
  display: flex;
  width: 100%;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.25rem;
  border: 1px solid transparent;
  border-radius: var(--demo-radius);
  background: transparent;
  padding: 0.65rem 0.6rem;
  text-align: left;
  color: var(--demo-text-muted);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.dash-nav-btn:hover {
  background: var(--demo-surface-muted);
  color: var(--demo-text);
}

.dash-nav-btn[aria-current="page"] {
  border-color: var(--demo-accent-border);
  background: var(--demo-accent-soft);
  color: var(--demo-text);
}

.dash-nav-marker {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  background: var(--demo-surface-muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--demo-text-subtle);
}

.dash-nav-btn[aria-current="page"] .dash-nav-marker {
  border-color: var(--demo-accent-border);
  background: var(--demo-accent-soft);
  color: var(--demo-accent);
}

.dash-nav-text strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--demo-text);
}

.dash-nav-text span {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.7rem;
  line-height: 1.35;
  color: var(--demo-text-subtle);
}

.dash-sidebar-links {
  padding: 0.85rem 1rem 1.25rem;
  border-top: 1px solid var(--demo-border);
  font-size: 0.75rem;
}

.dash-sidebar-links p {
  margin: 0 0 0.5rem;
  color: var(--demo-text-subtle);
}

.dash-sidebar-links a {
  display: block;
  margin-top: 0.35rem;
  font-weight: 600;
}

.dash-main {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
}

.dash-header-stack {
  position: sticky;
  top: 0;
  z-index: 30;
  flex-shrink: 0;
  border-bottom: 1px solid var(--demo-border);
  background: color-mix(in srgb, var(--demo-bg-elevated) 94%, transparent);
  backdrop-filter: blur(10px);
}

/* Responsive dataset picker (sidebar on desktop) */
.dash-dataset-bar {
  display: none;
  margin-bottom: 1rem;
}

@media (max-width: 899px) {
  .dash-dataset-bar {
    display: block;
  }
}

.dash-dataset-bar-label {
  margin: 0 0 0.5rem;
  padding: 0 0.25rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--demo-text-subtle);
}

.dash-dataset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

@media (min-width: 520px) and (max-width: 899px) {
  .dash-dataset-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.dash-dataset-grid .dash-nav-btn {
  width: 100%;
  margin-bottom: 0;
  align-items: center;
  justify-content: flex-start;
  padding: 0.55rem 0.6rem;
  gap: 0.5rem;
}

.dash-dataset-grid .dash-nav-text > span {
  display: none;
}

.dash-dataset-grid .dash-nav-text strong {
  font-size: 0.8125rem;
  line-height: 1.2;
}

.dash-dataset-grid .dash-nav-marker {
  width: 1.5rem;
  height: 1.5rem;
  font-size: 0.6rem;
}

.dash-topbar {
  display: flex;
  align-items: center;
  min-height: var(--dash-header-h);
  padding: 0 1rem;
  background: transparent;
  box-sizing: border-box;
}

@media (min-width: 640px) {
  .dash-topbar {
    padding: 0 1.5rem;
  }
}

.dash-topbar-inner {
  min-width: 0;
}

.dash-topbar h1 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

@media (min-width: 640px) {
  .dash-topbar h1 {
    font-size: 1.35rem;
  }
}

.dash-topbar-lead {
  margin: 0.15rem 0 0;
  max-width: 36rem;
  font-size: 0.8125rem;
  line-height: 1.35;
  color: var(--demo-text-muted);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

@media (min-width: 900px) {
  .dash-topbar-lead {
    -webkit-line-clamp: 1;
  }
}

@media (min-width: 900px) {
  .dash-sidebar-brand,
  .dash-topbar {
    height: var(--dash-header-h);
  }
}

.dash-topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dash-content {
  flex: 1;
  padding: 1rem;
}

@media (min-width: 640px) {
  .dash-content {
    padding: 1.25rem 1.5rem 2rem;
  }
}

.dash-seo {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--demo-border);
}

.dash-seo h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.dash-seo-intro {
  margin: 0 0 1.25rem;
  max-width: 48rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--demo-text-muted);
}

.dash-seo-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .dash-seo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .dash-seo-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.dash-seo-card {
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius-lg);
  background: var(--demo-surface);
  padding: 1rem;
  box-shadow: var(--demo-shadow-sm);
}

.dash-seo-card h3 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
}

.dash-seo-card h3 a {
  color: var(--demo-text);
  text-decoration: none;
  font-weight: 600;
}

.dash-seo-card h3 a:hover {
  color: var(--demo-accent);
  text-decoration: underline;
}

.dash-seo-card p {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--demo-text-muted);
}

.dash-seo-links {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
}

.dash-seo-links li + li {
  margin-top: 0.35rem;
}

.dash-seo-links a {
  font-weight: 600;
}

.dash-seo-footer {
  margin: 1.25rem 0 0;
  max-width: 48rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--demo-text-subtle);
}

.dash-seo-footer a {
  font-weight: 600;
}

.dash-layout {
  display: grid;
  gap: 1rem;
}

@media (min-width: 1100px) {
  .dash-layout {
    grid-template-columns: 1fr 17.5rem;
    align-items: start;
  }
}

.dash-primary {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.dash-toolbar-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius-lg);
  background: var(--demo-surface);
  padding: 0.75rem 1rem;
  box-shadow: var(--demo-shadow-sm);
  overflow: visible;
}

.dash-toolbar-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.dash-toolbar-meta {
  font-size: 0.8rem;
  color: var(--demo-text-subtle);
}

.dash-toolbar-meta strong {
  color: var(--demo-text);
}

.dash-badge-unsaved {
  display: none;
  align-items: center;
  gap: 0.35rem;
  border-radius: 9999px;
  background: rgb(254 243 199 / 0.9);
  padding: 0.2rem 0.55rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: #b45309;
}

.dash-badge-unsaved.is-visible {
  display: inline-flex;
}

@media (prefers-color-scheme: dark) {
  .dash-badge-unsaved {
    background: rgb(120 53 15 / 0.45);
    color: #fcd34d;
  }
}

.dash-table-card {
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius-lg);
  background: var(--demo-surface);
  box-shadow: var(--demo-shadow-sm);
  overflow: hidden;
}

.dash-table-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--demo-border);
  background: var(--demo-surface-muted);
  font-size: 0.8rem;
  color: var(--demo-text-subtle);
}

.dash-table-head-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.65rem;
}

.dash-table-scroll-hint {
  display: none;
  font-size: 0.7rem;
  color: var(--demo-text-subtle);
}

@media (max-width: 899px) {
  .dash-table-scroll-hint {
    display: inline;
  }
}

.dash-table-scroll {
  display: block;
  overflow: auto;
  max-height: min(62vh, 42rem);
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.dash-table-scroll:focus-visible {
  outline: 2px solid rgb(16 185 129 / 0.4);
  outline-offset: -2px;
}

.dash-table {
  width: 100%;
  min-width: 40rem;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.dash-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--demo-surface-muted);
  box-shadow: 0 1px 0 var(--demo-border);
}

.dash-table th {
  padding: 0.6rem 0.75rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  color: var(--demo-text-subtle);
  white-space: nowrap;
}

.dash-table th.dash-col-num {
  width: 2.5rem;
  text-align: center;
}

.dash-table th.dash-col-actions {
  width: 4.5rem;
  text-align: center;
}

.dash-table td {
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--demo-border);
  vertical-align: middle;
}

.dash-table tbody tr:nth-child(even) {
  background: rgb(248 250 252 / 0.65);
}

@media (prefers-color-scheme: dark) {
  .dash-table tbody tr:nth-child(even) {
    background: rgb(15 23 42 / 0.35);
  }
}

.dash-table tbody tr:hover {
  background: rgb(16 185 129 / 0.06);
}

.dash-table .dash-row-num,
.dash-table th.dash-col-num {
  position: sticky;
  left: 0;
  z-index: 2;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--demo-text-subtle);
  background: var(--demo-surface);
  box-shadow: 1px 0 0 var(--demo-border);
}

.dash-table thead th.dash-col-num {
  z-index: 3;
  background: var(--demo-surface-muted);
}

.dash-table tbody tr:nth-child(even) .dash-row-num {
  background: rgb(248 250 252 / 0.98);
}

@media (prefers-color-scheme: dark) {
  .dash-table tbody tr:nth-child(even) .dash-row-num {
    background: rgb(30 41 59 / 0.98);
  }
}

.dash-table tbody tr:hover .dash-row-num {
  background: rgb(236 253 245 / 0.98);
}

@media (prefers-color-scheme: dark) {
  .dash-table tbody tr:hover .dash-row-num {
    background: rgb(6 78 59 / 0.45);
  }
}

.dash-input,
.dash-select {
  width: 100%;
  min-width: 5rem;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  background: var(--demo-bg-elevated);
  padding: 0.4rem 0.5rem;
  font-size: 0.8125rem;
  color: var(--demo-text);
}

.dash-input:focus,
.dash-select:focus {
  outline: 2px solid rgb(16 185 129 / 0.35);
  outline-offset: 0;
  border-color: var(--demo-accent);
}

.dash-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  background: transparent;
  color: var(--demo-text-subtle);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.dash-btn-icon:hover {
  border-color: #fca5a5;
  background: rgb(255 241 242 / 0.9);
  color: #be123c;
}

.dash-empty {
  padding: 3rem 1.5rem;
  text-align: center;
}

.dash-empty h2 {
  margin: 0.75rem 0 0.35rem;
  font-size: 1.05rem;
}

.dash-empty p {
  margin: 0 auto;
  max-width: 22rem;
  font-size: 0.875rem;
  color: var(--demo-text-muted);
}

.dash-empty .dash-btn {
  margin-top: 1rem;
}

@media (max-width: 640px) {
  .dash-table {
    min-width: 36rem;
    font-size: 0.75rem;
  }

  .dash-table th,
  .dash-table td {
    padding: 0.4rem 0.45rem;
  }

  .dash-input,
  .dash-select {
    min-width: 4.25rem;
    padding: 0.35rem 0.4rem;
    font-size: 0.75rem;
  }
}

/* API rail */
.dash-rail {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.dash-rail-card {
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius-lg);
  background: var(--demo-surface);
  padding: 1rem;
  box-shadow: var(--demo-shadow-sm);
}

.dash-rail-card h2 {
  margin: 0 0 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--demo-text-subtle);
}

.dash-rail-lead {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--demo-text-muted);
}

.dash-rail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
}

.dash-rail-meta-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--demo-text-subtle);
}

.dash-inline-code {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: 0.78rem;
  color: var(--demo-text);
  background: var(--demo-surface-muted);
  border: 1px solid var(--demo-border);
  border-radius: 0.2rem;
  padding: 0.1rem 0.35rem;
}

.dash-rail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.dash-endpoint {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.dash-endpoint-url {
  display: block;
  margin-top: 0.35rem;
  word-break: break-all;
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--demo-text-muted);
  background: var(--demo-surface-muted);
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  padding: 0.55rem 0.6rem;
}

.dash-method-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.dash-method {
  display: inline-flex;
  border-radius: var(--demo-radius);
  padding: 0.15rem 0.45rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.dash-method--get {
  background: rgb(219 234 254 / 0.9);
  color: #1d4ed8;
}

.dash-method--post {
  background: rgb(254 243 199 / 0.9);
  color: #b45309;
}

/* Buttons */
.dash-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  padding: 0.5rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
  text-decoration: none;
  color: inherit;
}

.dash-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.dash-btn-solid {
  border-color: transparent;
  background: var(--demo-accent);
  color: #fff;
}

.dash-btn-solid:hover:not(:disabled) {
  background: var(--demo-accent-hover);
}

.dash-btn-ghost {
  background: var(--demo-surface-muted);
  color: var(--demo-text-muted);
}

.dash-btn-ghost:hover:not(:disabled) {
  border-color: var(--demo-border-strong);
  color: var(--demo-text);
}

.dash-btn-outline {
  background: transparent;
  color: var(--demo-text-muted);
}

.dash-btn-outline:hover:not(:disabled) {
  border-color: var(--demo-accent);
  color: var(--demo-accent);
}

.dash-btn-danger-ghost {
  background: transparent;
  color: #be123c;
  border-color: rgb(254 205 211 / 0.9);
}

.dash-btn-danger-ghost:hover:not(:disabled) {
  background: rgb(255 241 242 / 0.95);
}

.dash-btn-sm {
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
}

.dash-btn-block {
  width: 100%;
}

details.dash-menu {
  position: relative;
  display: inline-block;
}

details.dash-menu summary {
  list-style: none;
  cursor: pointer;
}

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

details.dash-menu[open] summary {
  border-color: var(--demo-accent);
  color: var(--demo-accent);
}

.dash-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  z-index: 50;
  min-width: 12rem;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  background: var(--demo-surface);
  padding: 0.35rem;
  box-shadow: var(--demo-shadow);
}

.dash-menu-panel button {
  display: block;
  width: 100%;
  border: none;
  border-radius: var(--demo-radius);
  background: transparent;
  padding: 0.5rem 0.65rem;
  text-align: left;
  font-size: 0.8125rem;
  color: var(--demo-text-muted);
  cursor: pointer;
}

.dash-menu-panel button:hover {
  background: var(--demo-surface-muted);
  color: var(--demo-text);
}

.dash-menu-panel button.dash-menu-danger {
  color: #be123c;
}

.dash-menu-panel button.dash-menu-danger:hover {
  background: rgb(255 241 242 / 0.9);
}

/* Toast */
.dash-toast-host {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: min(22rem, calc(100vw - 2rem));
  pointer-events: none;
}

.dash-toast {
  pointer-events: auto;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius-lg);
  background: var(--demo-surface);
  padding: 0.65rem 0.85rem;
  font-size: 0.8125rem;
  box-shadow: var(--demo-shadow);
  animation: dash-toast-in 0.2s ease-out;
}

.dash-toast--success {
  border-color: var(--demo-accent-border);
}

.dash-toast--error {
  border-color: rgb(254 205 211);
  color: #be123c;
}

@keyframes dash-toast-in {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dash-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgb(255 255 255 / 0.72);
  backdrop-filter: blur(2px);
}

@media (prefers-color-scheme: dark) {
  .dash-loading-overlay {
    background: rgb(15 23 42 / 0.72);
  }
}

.dash-loading-overlay.is-active {
  display: flex;
}

.dash-table-card {
  position: relative;
}

/* Loader */
#page-loader {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--demo-bg);
  transition: opacity 0.25s ease-out, visibility 0.25s ease-out;
}

#page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#app-content {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease-out, visibility 0.25s ease-out;
}

#app-content.visible {
  opacity: 1;
  visibility: visible;
}

.demo-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid rgb(148 163 184 / 0.25);
  border-top-color: var(--demo-accent);
  border-radius: 50%;
  animation: demo-spin 0.8s linear infinite;
}

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

.demo-hidden {
  display: none !important;
}

/* ─── View pages (scan result UIs) ─── */

.demo-page {
  position: relative;
  margin: 0 auto;
  max-width: 42rem;
  padding: 1.5rem 1rem 2.5rem;
}

.demo-page::before {
  content: "";
  position: absolute;
  top: -1rem;
  left: 50%;
  z-index: -1;
  width: 100vw;
  height: 18rem;
  transform: translateX(-50%);
  background: radial-gradient(circle at 15% 20%, rgb(16 185 129 / 0.08), transparent 20rem);
  pointer-events: none;
}

.demo-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--demo-text-subtle);
  text-decoration: none;
}

.demo-brand:hover {
  color: var(--demo-text);
  text-decoration: none;
}

.demo-brand-logo {
  display: flex;
  height: 2rem;
  width: 2rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  background: var(--demo-surface);
  padding: 0.2rem;
}

.demo-brand-logo img {
  height: 1.2rem;
  width: 1.2rem;
}

.demo-header {
  margin-bottom: 1rem;
}

.demo-card {
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius-lg);
  background: var(--demo-surface);
  box-shadow: var(--demo-shadow-sm);
}

.demo-panel {
  padding: 1.25rem;
}

.demo-tile {
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  background: var(--demo-surface-muted);
}

.demo-cell {
  padding: 1rem;
}

.demo-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--demo-text-subtle);
}

.demo-value {
  font-size: 1.05rem;
  font-weight: 600;
}

.demo-value-lg {
  font-size: 2rem;
  font-weight: 700;
}

.demo-grid-2 {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .demo-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.demo-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.demo-divider {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--demo-border);
}

.demo-input,
.demo-select {
  width: 100%;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  background: var(--demo-bg-elevated);
  padding: 0.5rem 0.65rem;
  font-size: 0.875rem;
  color: var(--demo-text);
}

.demo-input:focus,
.demo-select:focus {
  outline: 2px solid rgb(16 185 129 / 0.35);
  border-color: var(--demo-accent);
}

.demo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: 1px solid var(--demo-border);
  border-radius: var(--demo-radius);
  padding: 0.55rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.demo-btn-primary {
  border-color: var(--demo-accent-border);
  background: var(--demo-accent-soft);
  color: var(--demo-accent);
}

.demo-btn-neutral {
  background: transparent;
  color: var(--demo-text-muted);
}

.demo-btn-success {
  border-color: transparent;
  background: #059669;
  color: #fff;
}

.demo-btn-success:hover {
  background: #047857;
}

.demo-btn-danger {
  border-color: rgb(254 205 211);
  background: rgb(255 241 242);
  color: #be123c;
}

.demo-btn-block {
  width: 100%;
}

.demo-badge {
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.demo-badge-valid {
  border: 1px solid var(--demo-accent-border);
  background: var(--demo-accent-soft);
  color: var(--demo-accent-hover);
}

.demo-badge-invalid {
  border: 1px solid rgb(254 205 211);
  background: rgb(255 241 242);
  color: #be123c;
}

.demo-callout-warn {
  border: 1px solid rgb(253 230 138);
  border-radius: var(--demo-radius);
  background: rgb(255 251 235);
  padding: 0.85rem;
  color: #92400e;
}

.demo-highlight {
  border: 1px solid var(--demo-accent-border);
  border-radius: var(--demo-radius);
  background: var(--demo-accent-soft);
  padding: 1rem;
}

.demo-flex-between {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.demo-status-muted {
  color: var(--demo-text-subtle);
}

.demo-status-success {
  color: #059669;
}

.demo-status-error {
  color: #be123c;
}

.demo-error {
  padding: 1.25rem;
  text-align: center;
  color: #be123c;
}

.demo-loading {
  padding: 2rem 0;
  text-align: center;
  color: var(--demo-text-subtle);
}

.demo-link-footer {
  margin-top: 1rem;
}

.demo-link-footer a {
  font-weight: 600;
  word-break: break-all;
}