.settings-screen-root {
  min-height: 100%;
  padding: calc(var(--backend-shell-height, 0px) + var(--backend-body-top-gap, 0px) + 12px) 16px 24px;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color: #111827;
  background: #f4f6f8;
  box-sizing: border-box;
}
.settings-screen-root * { box-sizing: border-box; }
.settings-screen-popup-body .settings-screen-root {
  flex: 1 1 auto;
  min-height: 0;
}
.settings-screen-root.is-popup {
  --settings-popup-sticky-gap: 4px;
  height: 100%;
  padding: 4px 10px calc(env(safe-area-inset-bottom, 0px) + 4px);
  overflow: hidden;
}
.settings-screen-root .container { max-width: 920px; margin: 0 auto; }
.settings-screen-root.is-popup .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.settings-screen-root .settings-fixed-top {
  flex: 0 0 auto;
}
.settings-screen-root .settings-scroll-area {
  flex: 1 1 auto;
  min-height: 0;
}
.settings-screen-root.is-popup .settings-scroll-area {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}
.settings-screen-root .fil0 { fill: #007BFF; }
.settings-screen-root .fil1 { fill: none; }
.settings-screen-root .str0 {
  stroke: #FEFEFE;
  stroke-width: 0.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-miterlimit: 22.9256;
}
.settings-screen-root .settings-nav-button .fil0 { fill: #007BFF !important; }
.settings-screen-root .settings-nav-button .fil1 { fill: none !important; }
.settings-screen-root .settings-nav-button .str0 {
  stroke: #FEFEFE !important;
  stroke-width: 0.4 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
  stroke-miterlimit: 22.9256 !important;
}
.settings-screen-root .settings-nav-button .str1 {
  stroke: #FEFEFE !important;
  stroke-width: 0.5 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
  stroke-miterlimit: 22.9256 !important;
}
.settings-screen-root .str1 {
  stroke: #FEFEFE;
  stroke-width: 0.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-miterlimit: 22.9256;
}
.settings-screen-root header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.settings-screen-root.is-popup header {
  margin-bottom: 4px;
}
.settings-screen-root header h1 {
  font-size: 18px;
  margin: 0;
  flex: 1;
  text-align: center;
}
.settings-screen-root .settings-header-spacer {
  flex: 1 1 auto;
}
.settings-screen-root .settings-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}
.settings-screen-root .settings-nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  text-decoration: none;
  cursor: pointer;
  flex: 0 0 auto;
}
.settings-screen-root .settings-toast {
  position: fixed;
  top: calc(var(--backend-shell-height, 0px) + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  min-width: 180px;
  max-width: min(420px, calc(100vw - 24px));
  padding: 10px 14px;
  border-radius: 12px;
  background: #111827;
  color: #fff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
  z-index: 5000;
  text-align: center;
  font-size: 14px;
  line-height: 1.3;
}
.settings-screen-root .settings-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.settings-screen-root .settings-toast.success { background: #166534; }
.settings-screen-root .settings-toast.error { background: #b91c1c; }
.settings-screen-root .card {
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  padding: 16px;
  box-shadow: none !important;
  margin-bottom: 16px;
}
.settings-screen-root .settings-shell {
  margin-bottom: 0;
}
.settings-screen-root .settings-flat-card {
  padding: 0;
  box-shadow: none;
  margin: 0 0 16px;
}
.settings-screen-root .panel {
  border: 0 !important;
  background: transparent !important;
  border-radius: 0 !important;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: none !important;
}
.settings-screen-root.is-popup .panel,
.settings-screen-root.is-popup .card {
  padding-top: 0;
  padding-bottom: 4px;
  margin-bottom: 4px;
}
.settings-screen-root .section-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #64748b;
}
.settings-screen-root .panel-title {
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 800;
  color: #111;
  text-align: center;
}
.settings-screen-root .settings-subpanel-title { font-size: 22px; margin: 0; }
.settings-screen-root .panel-subtitle { font-weight: 500; color: #111; }
.settings-screen-root .profiles {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  margin-bottom: 16px;
}
.settings-screen-root .profiles form { display: contents; }
.settings-screen-root input[type="text"],
.settings-screen-root textarea,
.settings-screen-root select {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 15px;
  background: #fff;
}
.settings-screen-root textarea {
  min-height: 84px;
  resize: vertical;
  font-family: inherit;
}
.settings-screen-root button {
  border: 0;
  border-radius: 10px;
  background: #0f62fe;
  color: #fff;
  padding: 10px 14px;
  font-size: 14px;
  cursor: pointer;
}
.settings-screen-root button.secondary {
  background: #e2e8f0;
  color: #0f172a;
}
.settings-screen-root button.warn { background: #dc2626; }
.settings-screen-root .toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.settings-screen-root.is-popup .panel,
.settings-screen-root.is-popup .card {
  position: relative;
}
.settings-screen-root.is-popup .settings-scroll-area .panel > .panel-title,
.settings-screen-root.is-popup .settings-scroll-area .panel > .toolbar,
.settings-screen-root.is-popup .settings-scroll-area .card > .toolbar,
.settings-screen-root.is-popup .settings-scroll-area .card > .section-title {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #f4f6f8;
}
.settings-screen-root.is-popup .settings-scroll-area .panel > .panel-title,
.settings-screen-root.is-popup .settings-scroll-area .card > .section-title {
  padding: 0 0 4px;
  margin-bottom: 4px;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  color: #111827;
  letter-spacing: 0;
  text-transform: none;
}
.settings-screen-root.is-popup .settings-scroll-area .panel > .panel-title .panel-subtitle,
.settings-screen-root.is-popup .settings-scroll-area .panel > .panel-title .settings-subpanel-title,
.settings-screen-root.is-popup .settings-scroll-area .panel > .panel-title span,
.settings-screen-root.is-popup .settings-scroll-area .card > .section-title span {
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}
.settings-screen-root.is-popup .settings-scroll-area .panel > .toolbar,
.settings-screen-root.is-popup .settings-scroll-area .card > .toolbar {
  padding: 0 0 4px;
  margin-bottom: 4px;
  justify-content: center;
}
.settings-screen-root.is-popup .settings-scroll-area .panel > .toolbar > .panel-title,
.settings-screen-root.is-popup .settings-scroll-area .card > .toolbar > .section-title,
.settings-screen-root.is-popup .settings-scroll-area .panel > .toolbar > .settings-subpanel-title {
  margin: 0;
  flex: 0 1 auto;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  color: #111827;
  letter-spacing: 0;
  text-transform: none;
}
.settings-screen-root .toolbar.tight { margin-bottom: 6px; }
.settings-screen-root .grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.settings-screen-root .stack,
.settings-screen-root .def-list,
.settings-screen-root .route-table,
.settings-screen-root .flash-list {
  display: flex;
  flex-direction: column;
}
.settings-screen-root .stack,
.settings-screen-root .def-list,
.settings-screen-root .route-table { gap: 10px; }
.settings-screen-root .flash-list { gap: 8px; margin-bottom: 16px; }
.settings-screen-root .audio-head,
.settings-screen-root .simple-head {
  display: grid;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
  color: #475569;
  font-size: 13px;
  font-weight: 700;
  padding: 0 6px;
}
.settings-screen-root .audio-head,
.settings-screen-root .audio-row {
  grid-template-columns: 58px minmax(180px, 1.4fr) minmax(170px, 1.2fr) 138px 44px 44px;
}
.settings-screen-root .simple-head,
.settings-screen-root .simple-row {
  grid-template-columns: minmax(180px, 1.5fr) minmax(170px, 1.2fr) 44px;
}
.settings-screen-root .audio-row,
.settings-screen-root .simple-row {
  display: grid;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}
.settings-screen-root .audio-row > :nth-child(4),
.settings-screen-root .audio-row > :nth-child(5),
.settings-screen-root .audio-row > :nth-child(6),
.settings-screen-root .audio-row > :nth-child(8),
.settings-screen-root .audio-row > :nth-child(10),
.settings-screen-root .simple-row > :nth-child(2),
.settings-screen-root .simple-row > :nth-child(4) {
  display: none;
}
.settings-screen-root .audio-row > :nth-child(1) { grid-column: 1; }
.settings-screen-root .audio-row > :nth-child(7) { grid-column: 2; }
.settings-screen-root .audio-row > :nth-child(9) { grid-column: 3; }
.settings-screen-root .audio-row > :nth-child(11) { grid-column: 4; }
.settings-screen-root .audio-row > :nth-child(2) { grid-column: 5; }
.settings-screen-root .audio-row > :nth-child(3) { grid-column: 6; }
.settings-screen-root .simple-row > :nth-child(3) { grid-column: 1; }
.settings-screen-root .simple-row > :nth-child(5) { grid-column: 2; }
.settings-screen-root .simple-row > :nth-child(1) { grid-column: 3; }
.settings-screen-root .audio-row input[type="text"],
.settings-screen-root .simple-row input[type="text"],
.settings-screen-root .channel-select {
  min-height: 42px;
  font-size: 15px;
}
.settings-screen-root .channel-select {
  appearance: auto;
  -webkit-appearance: menulist;
  padding-right: 12px;
}
.settings-screen-root .mode-btn {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 0;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #2563eb;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.settings-screen-root .mode-btn:focus-visible {
  outline: 2px solid #93c5fd;
  outline-offset: 2px;
}
.settings-screen-root .mode-btn:hover {
  background: #dbeafe;
  border-color: #93c5fd;
  transform: translateY(-1px);
}
.settings-screen-root .icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  transition: transform 120ms ease, filter 120ms ease;
}
.settings-screen-root .icon-btn.swap {
  background: #e2e8f0;
  color: #0f172a;
  border-radius: 999px;
}
.settings-screen-root .icon-btn svg,
.settings-screen-root .mode-btn svg {
  width: 40px;
  height: 40px;
  display: block;
}
.settings-screen-root .icon-btn:hover,
.settings-screen-root .icon-btn:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.02);
}
.settings-screen-root .group-footer {
  margin-top: 10px;
  padding-left: 6px;
}
.settings-screen-root .icon-slot {
  width: 40px;
  height: 40px;
}
.settings-screen-root .mobile-field-label,
.settings-screen-root .mobile-field-control {
  display: none;
}
.settings-screen-root .simple-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.settings-screen-root .route-row {
  display: grid;
  grid-template-columns: 220px 140px 1fr;
  gap: 10px;
  align-items: center;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  background: #f8fafc;
}
.settings-screen-root .route-targets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.settings-screen-root .route-targets.mono { grid-template-columns: 1fr; }
.settings-screen-root .muted {
  color: #64748b;
  font-size: 13px;
}
.settings-screen-root .actions {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}
.settings-screen-root .flash {
  border-radius: 10px;
  padding: 10px 12px;
  background: #eff6ff;
  color: #1d4ed8;
}
@media (max-width: 860px) {
  .settings-screen-root .profiles,
  .settings-screen-root .grid-2,
  .settings-screen-root .route-row,
  .settings-screen-root .simple-grid,
  .settings-screen-root .audio-head,
  .settings-screen-root .audio-row,
  .settings-screen-root .simple-head,
  .settings-screen-root .simple-row,
  .settings-screen-root .route-targets {
    grid-template-columns: 1fr;
  }
  .settings-screen-root .group-footer {
    padding-left: 0;
    display: flex;
    justify-content: center;
    margin-top: 8px;
  }
  .settings-screen-root.is-popup .audio-head,
  .settings-screen-root.is-popup .simple-head {
    display: none;
  }
  .settings-screen-root.is-popup .audio-row {
    grid-template-columns: 40px 40px 40px minmax(64px, max-content) minmax(0, 1fr);
    gap: 6px 10px;
    align-items: start;
    padding: 6px 0 10px;
    border-bottom: 1px solid #e2e8f0;
  }
  .settings-screen-root.is-popup .audio-row > :nth-child(4),
  .settings-screen-root.is-popup .audio-row > :nth-child(5),
  .settings-screen-root.is-popup .audio-row > :nth-child(6),
  .settings-screen-root.is-popup .audio-row > :nth-child(8),
  .settings-screen-root.is-popup .audio-row > :nth-child(10),
  .settings-screen-root.is-popup .simple-row > :nth-child(2),
  .settings-screen-root.is-popup .simple-row > :nth-child(4) {
    display: flex;
  }
  .settings-screen-root.is-popup .audio-row > :nth-child(1) { grid-column: 1; grid-row: 1; }
  .settings-screen-root.is-popup .audio-row > :nth-child(2) { grid-column: 2; grid-row: 1; }
  .settings-screen-root.is-popup .audio-row > :nth-child(3) { grid-column: 3; grid-row: 1; }
  .settings-screen-root.is-popup .audio-row > :nth-child(4) { grid-column: 4; grid-row: 2; justify-self: start; }
  .settings-screen-root.is-popup .audio-row > :nth-child(5) { grid-column: 5; grid-row: 2; align-self: center; }
  .settings-screen-root.is-popup .audio-row > :nth-child(6) { grid-column: 4; grid-row: 3; justify-self: start; }
  .settings-screen-root.is-popup .audio-row > :nth-child(7) { grid-column: 5; grid-row: 3; }
  .settings-screen-root.is-popup .audio-row > :nth-child(8) { grid-column: 4; grid-row: 4; justify-self: start; }
  .settings-screen-root.is-popup .audio-row > :nth-child(9) { grid-column: 5; grid-row: 4; }
  .settings-screen-root.is-popup .audio-row > :nth-child(10) { grid-column: 4; grid-row: 5; justify-self: start; }
  .settings-screen-root.is-popup .audio-row > :nth-child(11) { grid-column: 5; grid-row: 5; }
  .settings-screen-root.is-popup .simple-row {
    grid-template-columns: 40px 1fr 1fr;
    gap: 6px 10px;
    align-items: start;
    padding: 6px 0 10px;
    border-bottom: 1px solid #e2e8f0;
  }
  .settings-screen-root.is-popup .simple-row > :nth-child(1) { grid-column: 1; grid-row: 1; }
  .settings-screen-root.is-popup .simple-row > :nth-child(2) { grid-column: 1; grid-row: 2; justify-self: start; }
  .settings-screen-root.is-popup .simple-row > :nth-child(3) { grid-column: 2 / span 2; grid-row: 2; }
  .settings-screen-root.is-popup .simple-row > :nth-child(4) { grid-column: 1; grid-row: 3; justify-self: start; }
  .settings-screen-root.is-popup .simple-row > :nth-child(5) { grid-column: 2 / span 2; grid-row: 3; }
  .settings-screen-root.is-popup .mobile-field-label,
  .settings-screen-root.is-popup .mobile-field-control {
    display: flex;
    align-items: center;
    min-height: 42px;
    font-size: 13px;
    font-weight: 700;
    color: #64748b;
    justify-content: flex-start;
    text-align: left;
  }
  .settings-screen-root.is-popup .mobile-field-control {
    color: #2563eb;
  }
  .settings-screen-root.is-popup .audio-row > .row-action-slot,
  .settings-screen-root.is-popup .simple-row > .row-action-slot {
    display: block;
  }
}