.desktop-app-titlebar,
.desktop-app-menu {
  display: none;
}

html.desktop-runtime .desktop-app-titlebar {
  position: sticky;
  top: 0;
  /* Application chrome stays above workspaces; blocking dialogs use the next
     global layer so their controls cannot be intercepted by this shell. */
  z-index: var(--app-layer-shell, 2147483600);
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 132px 0 var(--space-3);
  gap: var(--space-2);
  background: var(--app-panel);
  color: var(--app-text);
  border-bottom: 1px solid var(--app-line);
  -webkit-app-region: drag;
  user-select: none;
}

/* Fixed full-screen workspaces use the same shell offset as the sticky
   application titlebar. Without this shared geometry, scrolling a control to
   the top can place it underneath the native window chrome. */
html.desktop-runtime {
  --desktop-titlebar-height: 44px;
}

html.desktop-runtime.web-studio-runtime {
  --desktop-titlebar-height: 0px;
}

html.desktop-runtime.web-studio-runtime .desktop-app-titlebar {
  display: none;
}

html.web-studio-runtime #desktopPlayerNav {
  display: none !important;
}

html.desktop-runtime.web-studio-runtime .desktop-app-menu,
html.desktop-runtime.web-studio-runtime[data-songroom-platform="web"] .desktop-app-menu {
  display: flex;
  top: 44px;
}

html.desktop-runtime.web-studio-runtime[data-songroom-platform="web"] .desktop-app-menu {
  display: flex !important;
}

html.web-studio-runtime [data-app-action="restart"],
html.web-studio-runtime [data-app-action="quit"],
html.web-studio-runtime [data-app-action="minimize"],
html.web-studio-runtime [data-app-action="close"],
html.web-studio-runtime [data-app-action="toggle-maximize"],
html.web-studio-runtime [data-app-action="check-update"] {
  display: none !important;
}

html.web-studio-runtime [data-app-menu="file"] .desktop-app-menu__separator,
html.web-studio-runtime [data-app-menu="view"] [data-app-action="toggle-fullscreen"] ~ .desktop-app-menu__separator {
  display: none !important;
}

.desktop-app-titlebar img {
  width: 24px;
  height: 24px;
}

.desktop-app-titlebar strong {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.desktop-app-titlebar span {
  color: var(--app-muted);
  font-size: 15px;
  font-weight: 500;
}

.desktop-test-data-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-left: var(--space-3);
  padding: 0 var(--space-3);
  border: 1px solid var(--status-warning-border);
  border-radius: var(--control-radius);
  background: var(--status-warning-bg);
  color: var(--status-warning-text);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .02em;
}

.desktop-test-data-badge[hidden] { display: none; }

.desktop-window-controls {
  position: absolute;
  inset: 0 0 auto auto;
  display: flex;
  height: 44px;
  -webkit-app-region: no-drag;
}

.desktop-window-controls button {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  background: transparent;
  color: var(--app-text);
  font-size: 20px;
  line-height: 1;
}

.desktop-window-controls button:hover,
.desktop-window-controls button:focus-visible {
  background: var(--state-hover);
  color: var(--app-accent);
}

.desktop-window-controls button:last-child:hover,
.desktop-window-controls button:last-child:focus-visible {
  background: var(--state-danger-bg);
  color: var(--state-danger-text);
}

html.desktop-runtime .desktop-app-menu {
  position: sticky;
  top: 44px;
  z-index: var(--app-layer-shell, 2147483600);
  display: flex;
  align-items: stretch;
  min-height: 42px;
  padding: 0 var(--space-2);
  background: var(--app-panel);
  border-bottom: 1px solid var(--app-line);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--app-shadow) 38%, transparent);
  user-select: none;
}

.desktop-app-menu__utilities {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  margin-left: var(--space-2);
  padding-inline: var(--space-2);
}

.desktop-global-tools {
  display: flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: 4px;
  margin-right: auto;
  padding-right: 8px;
}

.desktop-global-tools > button {
  display: inline-flex;
  min-width: 0;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding-inline: 9px;
  border: 1px solid transparent;
  border-radius: var(--control-radius);
  background: transparent;
  color: var(--app-muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.desktop-global-tools > button:hover,
.desktop-global-tools > button:focus-visible {
  border-color: var(--app-line);
  background: var(--state-hover);
  color: var(--app-text);
}

.desktop-global-tools > button > .sr-command-icon {
  width: 16px;
  height: 16px;
  flex-basis: 16px;
}

.desktop-global-tooltip-toggle {
  border-color: var(--app-line) !important;
  background: color-mix(in srgb, var(--app-panel-2) 72%, transparent) !important;
}

.desktop-global-tooltip-toggle i {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 999px;
  background: var(--app-muted);
}

.desktop-global-tooltip-toggle[aria-pressed="true"] {
  border-color: var(--button-accent-border) !important;
  color: var(--app-accent);
}

.desktop-global-tooltip-toggle[aria-pressed="true"] i { background: var(--app-accent); }

.desktop-app-menu__utilities .top-actions {
  display: flex;
  min-width: 0;
  width: auto;
  max-width: 100%;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.desktop-app-menu__utilities .top-actions :is(.account-chip, .support-chip, #openSettings, .theme-trigger) {
  min-height: 34px;
}

.desktop-app-menu__utilities .top-actions :is(.account-chip, .support-chip, #openSettings) {
  padding-inline: 9px;
  font-size: 12px;
}

.desktop-app-menu__utilities .account-chip-icon {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.desktop-app-menu__utilities .account-chip-icon::before,
.desktop-app-menu__utilities .account-chip-icon::after {
  position: absolute;
  left: 50%;
  content: '';
  transform: translateX(-50%);
  background: currentColor;
}

.desktop-app-menu__utilities .account-chip-icon::before {
  top: 3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.desktop-app-menu__utilities .account-chip-icon::after {
  bottom: 3px;
  width: 10px;
  height: 5px;
  border-radius: 7px 7px 3px 3px;
}

.desktop-app-menu__utilities .top-actions .theme-trigger { padding-inline: 8px; }
.desktop-app-menu__utilities .layout-mode-switch { padding: 2px; }
.desktop-app-menu__utilities .layout-mode-switch button { min-height: 28px; font-size: 12px; }

html.desktop-runtime.desktop-unified-toolbar .topbar {
  min-height: 60px;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  grid-template-areas: "breadcrumbs song";
  column-gap: 12px;
  row-gap: 0;
  padding-block: 5px;
  padding-inline-start: 4px;
}

/* Keep the display preference reachable even in the narrowest toolbar. */
.desktop-global-tools > .command-display-toggle {
  display: inline-flex !important;
  flex: 0 0 auto;
  min-width: 64px;
  font-size: 12px;
}

/* The song workspace owns its context; an empty status row costs stage height. */
html.desktop-runtime.desktop-unified-toolbar body.practice-view-open .topbar {
  display: none !important;
}

/* Opening a native-style menu promotes the whole menu-bar stacking context,
   not only the child popover. Practice headers and teaching workspaces create
   their own high layers; a child z-index cannot escape a lower parent context. */
html.desktop-runtime .desktop-app-menu.is-menu-open,
html.desktop-runtime .desktop-app-menu:has(.theme-switcher.open, .ui-text-color-switcher.open) {
  z-index: calc(var(--app-layer-shell, 2147483600) + 3);
  overflow: visible;
}

html.desktop-runtime.desktop-unified-toolbar .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
  height: 48px;
  padding: 0 4px;
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow: hidden;
  white-space: nowrap;
}

html.desktop-runtime.desktop-unified-toolbar .breadcrumbs > :is(b, strong) {
  display: none;
}

html.desktop-runtime.desktop-unified-toolbar .breadcrumbs #allProjectsLink {
  flex: 0 0 auto;
  min-width: 0;
  padding-inline: 2px;
  background: transparent;
  color: var(--app-muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

html.desktop-runtime.desktop-unified-toolbar .breadcrumbs #allProjectsLink:hover,
html.desktop-runtime.desktop-unified-toolbar .breadcrumbs #allProjectsLink:focus-visible {
  color: var(--app-text);
}

html.desktop-runtime.desktop-unified-toolbar .breadcrumbs .autosave {
  flex: 0 0 auto;
  margin-left: 0;
  color: var(--app-muted);
  font-size: 12px;
  white-space: nowrap;
}

html.desktop-runtime.desktop-unified-toolbar .breadcrumbs .ai-llm-status-badge {
  min-width: 0;
  max-width: 220px;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html.desktop-runtime.desktop-unified-toolbar .active-song-context { min-height: 48px; }
html.desktop-runtime.desktop-unified-toolbar .active-song-context :is(small, em) { font-size: 12px; }

html.desktop-runtime .app-shell {
  height: calc(100vh - 86px);
  min-height: calc(100vh - 86px);
  overflow: hidden;
}

html.desktop-runtime.web-studio-runtime .app-shell {
  height: calc(100vh - 86px);
  min-height: calc(100vh - 86px);
}

html.desktop-runtime .sidebar,
html.desktop-runtime .main-content {
  height: 100%;
  min-height: 0;
}

.desktop-app-menu__group {
  position: relative;
  display: flex;
}

.desktop-app-menu__button {
  min-width: 58px;
  min-height: var(--toolbar-height);
  padding: 0 10px;
  border-radius: var(--control-radius);
  background: transparent;
  color: var(--app-text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}

.desktop-app-menu__button:hover,
.desktop-app-menu__button:focus-visible,
.desktop-app-menu__button[aria-expanded="true"] {
  background: var(--state-hover);
  color: var(--app-accent);
}

.desktop-app-menu__popover {
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  z-index: 1;
  display: grid;
  box-sizing: border-box;
  min-width: var(--menu-min-width);
  max-width: calc(100vw - (var(--space-2) * 2));
  padding: var(--space-2);
  border: 1px solid var(--app-line);
  border-radius: var(--panel-radius);
  background: var(--app-elevated);
  box-shadow: 0 16px 40px var(--app-shadow);
}

.desktop-app-menu__popover[hidden] {
  display: none;
}

.desktop-app-menu__popover button {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: var(--menu-item-height);
  gap: var(--space-6);
  padding: 0 var(--space-3);
  border-radius: var(--control-radius);
  background: transparent;
  color: var(--app-text);
  font-size: 14px;
  text-align: left;
  white-space: nowrap;
}

.desktop-app-menu__popover button > span:not(.sr-command-icon) {
  min-width: 0;
  white-space: nowrap;
}

.desktop-app-menu__popover button:hover,
.desktop-app-menu__popover button:focus-visible {
  background: var(--state-hover);
  color: var(--app-accent);
}

.desktop-app-menu__popover button:disabled,
.desktop-app-menu__popover button[aria-busy="true"] {
  opacity: 0.45;
  cursor: default;
  color: var(--app-muted);
}

.desktop-app-menu__popover kbd {
  flex: 0 0 auto;
  margin-left: auto;
  color: var(--app-muted);
  font: 12px var(--font-family-mono);
  white-space: nowrap;
}

.desktop-app-menu__separator {
  height: 1px;
  margin: var(--space-2) var(--space-3);
  background: var(--app-line);
}

.desktop-app-zoom {
  display: inline-flex;
  align-items: center;
  align-self: center;
  flex: 0 0 auto;
  height: 30px;
  margin-left: auto;
  overflow: hidden;
  border: 1px solid var(--app-line);
  border-radius: var(--control-radius);
  background: var(--app-panel-2);
}

.desktop-app-zoom > button {
  min-width: 32px;
  height: 100%;
  padding: 0 var(--space-2);
  border-radius: 0;
  color: var(--app-muted);
  background: transparent;
  font-size: 15px;
  font-weight: 750;
  line-height: 1;
}

.desktop-app-zoom > button + button { border-left: 1px solid var(--app-line); }
.desktop-app-zoom > button:hover,
.desktop-app-zoom > button:focus-visible { color: var(--app-accent); background: var(--state-hover); }
.desktop-app-zoom > .desktop-app-zoom__value {
  min-width: 58px;
  color: var(--app-text);
  font: 700 12px var(--font-family-mono);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 1320px) {
  html.desktop-runtime.desktop-unified-toolbar .topbar {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "song";
  }

  html.desktop-runtime.desktop-unified-toolbar .breadcrumbs { display: none; }
}

@media (max-width: 1240px) {
  .desktop-app-menu__utilities .support-chip { display: none; }
  .desktop-global-tools__optional { display: none !important; }
}

@media (max-width: 1120px) {
  .desktop-app-menu__utilities #openSettings { display: none; }
  .desktop-app-menu__utilities .account-chip { max-width: 142px; }
  .desktop-global-tools__secondary { display: none !important; }
}

@media (max-width: 1020px) {
  .desktop-app-menu__utilities .theme-switcher { display: none; }
  .desktop-app-menu__utilities #accountChipLabel { display: none; }
  .desktop-global-tools > button:not(.desktop-global-tooltip-toggle) { display: none; }
}

.songrealm-about-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--app-layer-dialog, 2147483630);
  display: grid;
  place-items: center;
  padding: var(--space-5);
  background: var(--app-dialog-backdrop-bg);
  backdrop-filter: blur(12px) saturate(112%);
}

.songrealm-about {
  width: min(var(--app-dialog-width-md), calc(100vw - var(--app-dialog-viewport-gap)));
  max-height: calc(100dvh - var(--app-dialog-viewport-gap));
  overflow: hidden;
  border: 1px solid var(--app-dialog-border);
  border-radius: var(--app-dialog-radius);
  background: var(--app-dialog-surface);
  color: var(--app-text);
  box-shadow: var(--app-dialog-shadow);
}

.songrealm-about__header {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--app-dialog-header-padding);
  border-bottom: 1px solid var(--app-line);
  background: var(--app-dialog-header-bg);
}

.songrealm-about__mark {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border-radius: 18px;
  background: var(--app-accent);
  color: var(--app-accent-ink);
  box-shadow: 0 12px 30px color-mix(in srgb, var(--app-accent) 30%, transparent);
  font-size: 28px;
  font-weight: 800;
}

.songrealm-about__eyebrow {
  color: var(--app-muted);
  font: 500 12px var(--font-family-mono);
  letter-spacing: .12em;
}

.songrealm-about__header h2 {
  margin: 5px 0 4px;
  font-size: 25px;
  letter-spacing: -.6px;
}

.songrealm-about__header h2 span,
.songrealm-about__header p {
  color: var(--app-muted);
}

.songrealm-about__header h2 span {
  font-weight: 600;
}

.songrealm-about__header p {
  margin: 0;
  font-size: var(--font-sm);
}

.songrealm-about__header p b {
  margin-left: 6px;
  color: var(--app-accent);
  font: 500 12px var(--font-family-mono);
}

.songrealm-about__close {
  align-self: start;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: var(--control-radius);
  border: 1px solid var(--app-line);
  background: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  font-size: 22px;
}

.songrealm-about__close:hover,
.songrealm-about__close:focus-visible {
  background: var(--state-hover);
  color: var(--app-text);
}

.songrealm-about__body {
  padding: var(--app-dialog-body-padding);
  overflow: auto;
}

.songrealm-about__body > p {
  margin: 0;
  color: var(--app-muted);
  font-size: var(--font-base);
  line-height: 1.85;
}

.songrealm-about__features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.songrealm-about__features span {
  position: relative;
  padding: 10px 12px 10px 30px;
  border: 1px solid var(--app-line);
  border-radius: var(--control-radius);
  background: var(--app-panel-2);
  color: var(--app-text);
  font-size: var(--font-sm);
}

.songrealm-about__features span::before {
  position: absolute;
  left: 12px;
  color: var(--app-accent);
  content: '✓';
  font-weight: 800;
}

.songrealm-about__website {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px var(--space-3);
  align-items: center;
  margin-top: var(--space-5);
  padding: var(--space-4);
  border: 1px solid color-mix(in srgb, var(--app-accent) 46%, var(--app-line));
  border-radius: var(--panel-radius);
  background: color-mix(in srgb, var(--app-accent-soft) 68%, var(--app-panel));
}

.songrealm-about__website span {
  color: var(--app-muted);
  font-size: var(--font-xs);
}

.songrealm-about__website a {
  color: var(--app-accent);
  font: 600 var(--font-base) var(--font-family-mono);
  text-underline-offset: 3px;
}

.songrealm-about__website small {
  grid-column: 2;
  color: var(--app-muted);
  font-size: var(--font-xs);
  line-height: 1.5;
}

.songrealm-about__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--app-dialog-footer-padding);
  border-top: 1px solid var(--app-line);
  background: var(--app-dialog-header-bg);
}

.songrealm-about__footer > span {
  max-width: 260px;
  color: var(--app-muted);
  font-size: var(--font-xs);
  line-height: 1.5;
}

.songrealm-about__website-button {
  min-height: 40px;
  padding: 0 var(--space-4);
  border-radius: var(--control-radius);
  background: var(--app-accent);
  color: var(--app-accent-ink);
  font-weight: 800;
}

.songrealm-about__website-button:hover,
.songrealm-about__website-button:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--app-accent) 24%, transparent);
}

.songrealm-about__website-button i {
  margin-left: var(--space-2);
  font-style: normal;
}

@media (max-width: 720px) {
  .desktop-global-tools { flex: 0 0 auto; padding-right: 0; }
  .desktop-global-tools > .command-display-toggle { min-width: 46px; }
  .desktop-global-tools > .desktop-global-tooltip-toggle { display: none; }

  html.desktop-runtime .desktop-app-menu {
    overflow-x: auto;
  }

  /* Horizontal scrolling keeps the compact chrome reachable, but it also
     clips an absolutely-positioned menu below the bar. The open-state class
     is toggled by app-menu.js so the popover can escape that clipping context
     while it is being used. */
  html.desktop-runtime .desktop-app-menu.is-menu-open,
  html.desktop-runtime .desktop-app-menu:has(.theme-switcher.open, .ui-text-color-switcher.open) {
    z-index: calc(var(--app-layer-shell, 2147483600) + 3);
    overflow-x: visible;
    overflow-y: visible;
  }

  .desktop-app-menu__button {
    min-width: 58px;
    padding-inline: var(--space-2);
    font-size: 14px;
  }

  .desktop-app-zoom { position: sticky; right: var(--space-2); }

  .songrealm-about__header {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 22px 20px 18px;
  }

  .songrealm-about__mark {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    font-size: 24px;
  }

  .songrealm-about__close {
    position: absolute;
    top: 12px;
    right: 12px;
  }

  .songrealm-about__body {
    padding: 20px;
  }

  .songrealm-about__features {
    grid-template-columns: minmax(0, 1fr);
  }

  .songrealm-about__website {
    grid-template-columns: minmax(0, 1fr);
  }

  .songrealm-about__website small {
    grid-column: 1;
  }

  .songrealm-about__footer {
    align-items: stretch;
    flex-direction: column;
    padding: 16px 20px 20px;
  }

  .songrealm-about__footer > span {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .songrealm-about-backdrop {
    backdrop-filter: none;
  }
}