.demo-app-page {
  --app-accent: #67d7c4;
  --app-accent-rgb: 103, 215, 196;
  --app-accent-ink: #061814;
  --app-bg: #0b1014;
  --app-sidebar: #10171d;
  --app-panel: #151d24;
  --app-panel-strong: #1b2630;
  --app-text: #f4f7f8;
  --app-muted: #a7b3bd;
  --app-border: rgba(255, 255, 255, 0.13);
  min-width: 0;
  background: var(--app-bg);
  color: var(--app-text);
}

.demo-app-page .demo-notice {
  --demo-accent: var(--app-accent);
  --demo-accent-contrast: var(--app-accent-ink);
}

.app-layout {
  display: grid;
  min-height: calc(100vh - 50px);
  grid-template-columns: 240px minmax(0, 1fr);
}

.app-sidebar {
  position: sticky;
  top: 50px;
  z-index: 80;
  display: flex;
  height: calc(100vh - 50px);
  flex-direction: column;
  border-right: 1px solid var(--app-border);
  padding: 24px 18px;
  background: var(--app-sidebar);
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 26px;
}

.app-brand-mark {
  display: grid;
  width: 42px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 8px;
  background: var(--app-accent);
  color: var(--app-accent-ink);
  font-weight: 900;
}

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

.app-brand small {
  color: var(--app-muted);
  font-size: 0.72rem;
}

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

.app-nav a {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  border-radius: 6px;
  padding: 9px 11px;
  color: var(--app-muted);
  font-size: 0.9rem;
  font-weight: 720;
  text-decoration: none;
}

.app-nav a:hover,
.app-nav a:focus-visible,
.app-nav a[aria-current="page"] {
  background: rgba(var(--app-accent-rgb), 0.12);
  color: var(--app-text);
}

.app-nav a[aria-current="page"] {
  box-shadow: inset 3px 0 0 var(--app-accent);
}

.app-sidebar-note {
  margin-top: auto;
  border-top: 1px solid var(--app-border);
  padding: 18px 8px 0;
  color: var(--app-muted);
  font-size: 0.78rem;
}

.app-workspace {
  min-width: 0;
}

.app-topbar {
  position: sticky;
  top: 50px;
  z-index: 60;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--app-border);
  padding: 12px clamp(18px, 3vw, 36px);
  background: rgba(11, 16, 20, 0.94);
  backdrop-filter: blur(14px);
}

.app-topbar p,
.app-topbar strong {
  margin: 0;
}

.app-topbar p {
  color: var(--app-muted);
  font-size: 0.8rem;
}

.app-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--app-border);
  border-radius: 6px;
  background: var(--app-panel);
  color: var(--app-text);
  cursor: pointer;
}

.app-main {
  width: min(100%, 1500px);
  margin-inline: auto;
  padding: clamp(28px, 4vw, 52px) clamp(18px, 3vw, 38px) 72px;
}

.app-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.45fr);
  align-items: end;
  gap: 24px 60px;
  margin-bottom: 30px;
}

.app-kicker,
.app-eyebrow {
  margin: 0 0 9px;
  color: var(--app-accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.app-intro h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 4.2rem);
  line-height: 1.02;
  text-wrap: balance;
}

.app-intro-copy {
  margin: 0;
  color: var(--app-muted);
}

.app-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.app-kpi,
.app-panel {
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: var(--app-panel);
}

.app-kpi {
  min-height: 128px;
  padding: 20px;
}

.app-kpi span,
.app-kpi small {
  display: block;
  color: var(--app-muted);
}

.app-kpi strong {
  display: block;
  margin: 10px 0 3px;
  font-size: clamp(1.55rem, 2.8vw, 2.3rem);
  line-height: 1;
}

.app-grid,
.app-split-grid {
  display: grid;
  gap: 18px;
}

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

.app-split-grid {
  grid-template-columns: minmax(0, 1.6fr) minmax(290px, 0.7fr);
}

.app-panel {
  min-width: 0;
  padding: clamp(20px, 3vw, 30px);
}

.app-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 14px 24px;
  margin-bottom: 20px;
}

.app-panel h2,
.app-panel h3 {
  margin: 0;
}

.app-panel h2 {
  font-size: clamp(1.3rem, 2.3vw, 1.9rem);
}

.app-muted {
  color: var(--app-muted);
}

.app-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  margin-bottom: 20px;
}

.app-field {
  display: grid;
  min-width: min(100%, 170px);
  flex: 1 1 170px;
  gap: 6px;
}

.app-field label,
.app-field > span,
.app-control-label {
  color: var(--app-muted);
  font-size: 0.76rem;
  font-weight: 760;
}

.app-field input,
.app-field select,
.app-field textarea,
.app-select,
.app-input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--app-border);
  border-radius: 6px;
  padding: 9px 11px;
  background: var(--app-bg);
  color: var(--app-text);
}

.app-field textarea {
  min-height: 110px;
  resize: vertical;
}

.app-check {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
  color: var(--app-muted);
  font-size: 0.86rem;
  font-weight: 720;
}

.app-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--app-accent);
}

.app-button,
.app-text-button,
.app-segmented button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 9px 15px;
  font: inherit;
  font-weight: 780;
  cursor: pointer;
}

.app-button {
  background: var(--app-accent);
  color: var(--app-accent-ink);
}

.app-button-secondary,
.app-segmented button {
  border-color: var(--app-border);
  background: transparent;
  color: var(--app-text);
}

.app-text-button {
  min-height: 36px;
  padding: 5px 0;
  background: transparent;
  color: var(--app-accent);
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.app-segmented {
  display: inline-flex;
  gap: 4px;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 4px;
}

.app-segmented button {
  min-height: 36px;
  border: 0;
}

.app-segmented button[aria-pressed="true"] {
  background: var(--app-accent);
  color: var(--app-accent-ink);
}

.app-table-scroll {
  max-width: 100%;
  overflow-x: auto;
  scrollbar-color: var(--app-accent) var(--app-bg);
}

.app-table-scroll:focus-visible {
  outline: 3px solid var(--app-accent);
  outline-offset: 3px;
}

.app-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.app-table th,
.app-table td {
  border-bottom: 1px solid var(--app-border);
  padding: 13px 12px;
  text-align: left;
  vertical-align: middle;
}

.app-table th {
  color: var(--app-muted);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.app-table tbody tr[hidden] {
  display: none;
}

.app-state {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  border: 1px solid var(--app-border);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 0.7rem;
  font-weight: 800;
  white-space: nowrap;
}

.app-state::before {
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.is-success { color: #7ee0aa; }
.is-warning { color: #ffca70; }
.is-danger { color: #ff8f8f; }
.is-info { color: #86c7ff; }

.app-detail-list,
.app-activity-list,
.app-card-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-detail-list div,
.app-activity-list li,
.app-card-list > * {
  border-top: 1px solid var(--app-border);
  padding-top: 12px;
}

.app-detail-list dt {
  color: var(--app-muted);
  font-size: 0.72rem;
  font-weight: 760;
}

.app-detail-list dd {
  margin: 2px 0 0;
  font-weight: 720;
}

.app-status {
  min-height: 1.6em;
  margin: 14px 0 0;
  color: var(--app-muted);
  font-size: 0.86rem;
}

.app-progress {
  width: 100%;
  height: 9px;
  accent-color: var(--app-accent);
}

.app-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  border-top: 1px solid var(--app-border);
  padding: 22px clamp(18px, 3vw, 38px);
  color: var(--app-muted);
  font-size: 0.78rem;
}

.app-footer p {
  margin: 0;
}

.app-menu-backdrop {
  display: none;
}

@media (max-width: 1100px) {
  .app-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-split-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .app-layout {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 220;
    width: min(82vw, 300px);
    height: 100dvh;
    transform: translateX(-105%);
    transition: transform 180ms ease;
  }

  .app-sidebar[data-open="true"] {
    transform: translateX(0);
  }

  .app-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 210;
    border: 0;
    background: rgba(0, 0, 0, 0.72);
  }

  .app-menu-backdrop[data-open="true"] {
    display: block;
  }

  .app-topbar {
    top: 0;
  }

  .app-menu-toggle {
    display: inline-grid;
    flex: 0 0 auto;
    place-items: center;
  }

  .app-intro,
  .app-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .app-kpi-grid {
    grid-template-columns: 1fr;
  }

  .app-controls,
  .app-panel-head {
    align-items: stretch;
    flex-direction: column;
  }

  .app-field,
  .app-button,
  .app-segmented {
    width: 100%;
  }

  .app-segmented button {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-sidebar {
    transition: none;
  }
}