:root {
  --settings-surface: #ffffff;
  --settings-canvas: #f4f7fb;
  --settings-border: #d9e2ef;
  --settings-border-strong: #c5d2e3;
  --settings-text: #142033;
  --settings-muted: #66758c;
  --settings-accent: #2563eb;
  --settings-accent-soft: #edf4ff;
  --settings-shadow: 0 16px 40px rgba(15, 23, 42, 0.09);
}

html[data-theme="dark"] {
  --settings-surface: #0b1426;
  --settings-canvas: #071020;
  --settings-border: #22314d;
  --settings-border-strong: #34486c;
  --settings-text: #edf4ff;
  --settings-muted: #9fb0cb;
  --settings-accent: #71a1ff;
  --settings-accent-soft: #122448;
  --settings-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.layout.os-layout-v10 .settings-center-shell,
.settings-center-shell {
  width: 100%;
  max-width: none;
  min-height: 0;
  margin: 0;
}

.layout.os-layout-v10 .settings-window,
.settings-window {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  width: 100%;
  height: calc(100dvh - 116px);
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--settings-border);
  border-radius: 14px;
  background: var(--settings-surface);
  box-shadow: var(--settings-shadow);
}

.settings-center-shell.is-maximized {
  position: fixed;
  z-index: 150;
  inset: 8px;
  width: auto;
  max-width: none;
}

.settings-center-shell.is-maximized .settings-window {
  height: calc(100dvh - 16px);
}

.layout.os-layout-v10 .settings-window-titlebar,
.settings-window-titlebar {
  display: flex;
  min-height: 64px;
  padding: 10px 14px 10px 18px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--settings-border);
  background: var(--settings-surface);
}

.settings-window-titlebar > div:first-child {
  display: flex;
  min-width: 0;
  gap: 11px;
  align-items: center;
}

.settings-window-titlebar > div:first-child > span:last-child {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.settings-window-titlebar strong {
  color: var(--settings-text);
  font-size: 1.08rem;
}

.settings-window-titlebar small {
  overflow: hidden;
  color: var(--settings-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-title-icon {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  border-radius: 10px;
  background: var(--settings-accent-soft);
  color: var(--settings-accent);
}

.settings-window-tools {
  display: flex;
  gap: 6px;
}

.settings-window-tool {
  display: grid;
  width: 34px;
  height: 34px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--settings-border);
  border-radius: 9px;
  background: var(--settings-surface);
  color: var(--settings-muted);
}

.settings-window-tool:hover {
  border-color: var(--settings-border-strong);
  color: var(--settings-text);
}

.settings-category-bar {
  display: flex;
  min-width: 0;
  gap: 6px;
  padding: 9px 12px;
  overflow-x: auto;
  border-bottom: 1px solid var(--settings-border);
  background: var(--settings-canvas);
  scrollbar-width: thin;
}

.settings-category-tab {
  display: flex;
  width: auto;
  min-width: max-content;
  flex: 0 0 auto;
  min-height: 38px;
  gap: 7px;
  padding: 8px 11px;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--settings-muted);
  white-space: nowrap;
}

.settings-category-tab span {
  display: grid;
  place-items: center;
}

.settings-category-tab small {
  display: grid;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  place-items: center;
  border-radius: 999px;
  background: color-mix(in srgb, var(--settings-muted) 12%, transparent);
  color: inherit;
  font-size: 0.68rem;
  font-weight: 800;
}

.settings-category-tab:hover {
  border-color: var(--settings-border);
  background: var(--settings-surface);
  color: var(--settings-text);
}

.settings-category-tab.active {
  border-color: color-mix(in srgb, var(--settings-accent) 34%, var(--settings-border));
  background: var(--settings-accent-soft);
  color: var(--settings-accent);
}

.layout.os-layout-v10 .settings-body,
.settings-body {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
  background: var(--settings-canvas);
}

.layout.os-layout-v10 .settings-module-rail,
.settings-module-rail {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  padding: 12px;
  overflow: hidden;
  border-right: 1px solid var(--settings-border);
  background: var(--settings-surface);
}

.settings-search {
  display: flex;
  min-width: 0;
  height: 40px;
  gap: 8px;
  padding: 0 10px;
  align-items: center;
  border: 1px solid var(--settings-border);
  border-radius: 10px;
  background: var(--settings-canvas);
  color: var(--settings-muted);
}

.settings-search:focus-within {
  border-color: color-mix(in srgb, var(--settings-accent) 62%, var(--settings-border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--settings-accent) 12%, transparent);
}

.settings-search input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--settings-text);
}

.settings-search button {
  display: grid;
  width: 26px;
  height: 26px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--settings-muted);
}

.layout.os-layout-v10 .settings-module-tabs,
.settings-module-tabs {
  min-height: 0;
  margin-top: 10px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.layout.os-layout-v10 .settings-module-group,
.settings-module-group {
  display: grid;
  gap: 7px;
}

.layout.os-layout-v10 .settings-module-group-title,
.settings-module-group-title {
  display: grid;
  gap: 2px;
  padding: 4px 4px 6px;
  color: var(--settings-text);
}

.settings-module-group-title small {
  color: var(--settings-muted);
}

.layout.os-layout-v10 .settings-module-tab,
.settings-module-tab {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 67px;
  gap: 2px 9px;
  padding: 9px;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: var(--settings-text);
  text-align: left;
}

.settings-module-tab > span:first-child {
  display: grid;
  grid-row: 1 / span 2;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 9px;
  background: var(--settings-accent-soft);
  color: var(--settings-accent);
}

.settings-module-tab > strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layout.os-layout-v10 .settings-module-tab > small,
.settings-module-tab > small {
  display: -webkit-box;
  grid-column: 2 / -1;
  overflow: hidden;
  color: var(--settings-muted);
  font-size: 0.72rem;
  line-height: 1.25;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.settings-module-tab > .badge {
  max-width: 86px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-module-tab:hover {
  border-color: var(--settings-border);
  background: var(--settings-canvas);
}

.settings-module-tab.active {
  border-color: color-mix(in srgb, var(--settings-accent) 38%, var(--settings-border));
  background: var(--settings-accent-soft);
}

.settings-rail-empty {
  display: grid;
  min-height: 220px;
  padding: 24px;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: var(--settings-muted);
  text-align: center;
}

.settings-rail-empty svg {
  width: 30px;
  height: 30px;
}

.settings-rail-empty strong {
  color: var(--settings-text);
}

.layout.os-layout-v10 .settings-module-workspace,
.settings-module-workspace {
  display: grid;
  min-width: 0;
  min-height: 0;
  gap: 12px;
  padding: 14px;
  align-content: start;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.layout.os-layout-v10 .settings-active-module,
.settings-active-module {
  padding: 16px;
  border: 1px solid var(--settings-border);
  border-radius: 12px;
  background: var(--settings-surface);
}

.settings-module-heading {
  display: flex;
  min-width: 0;
  gap: 14px;
  align-items: flex-start;
  justify-content: space-between;
}

.settings-module-heading > div {
  min-width: 0;
}

.settings-breadcrumb {
  display: flex;
  gap: 6px;
  color: var(--settings-accent);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.settings-breadcrumb i {
  color: var(--settings-muted);
  font-style: normal;
}

.settings-module-heading h2 {
  margin: 5px 0 3px;
  color: var(--settings-text);
  font-size: clamp(1.18rem, 2vw, 1.55rem);
}

.settings-module-heading p {
  max-width: 820px;
  margin: 0;
  color: var(--settings-muted);
}

.layout.os-layout-v10 .settings-summary-grid,
.settings-module-summary {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 13px;
}

.settings-module-summary > div {
  min-width: 0;
  min-height: 72px;
  padding: 10px 12px;
  border-color: var(--settings-border);
  background: var(--settings-canvas);
}

.settings-module-summary strong,
.settings-module-summary small,
.settings-module-summary span {
  overflow-wrap: anywhere;
}

.settings-module-content {
  min-width: 0;
}

.settings-module-content > *,
.settings-module-content .panel,
.settings-module-content .settings-admin-card {
  min-width: 0;
}

.layout.os-layout-v10 .settings-window-footer,
.settings-window-footer {
  display: flex;
  min-height: 58px;
  gap: 12px;
  padding: 9px 12px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--settings-border);
  background: var(--settings-surface);
}

.settings-window-footer-left,
.settings-window-footer-right {
  display: flex;
  min-width: 0;
  gap: 7px;
  align-items: center;
}

.settings-window-footer-right {
  justify-content: flex-end;
}

.settings-window-footer-left small {
  color: var(--settings-muted);
}

.settings-footer-location {
  display: flex;
  min-width: 0;
  gap: 7px;
  align-items: center;
  color: var(--settings-muted);
}

.settings-footer-location strong {
  color: var(--settings-text);
}

.settings-footer-location i {
  font-style: normal;
}

@media (max-width: 1100px) {
  .layout.os-layout-v10 .settings-body,
  .settings-body {
    grid-template-columns: 228px minmax(0, 1fr);
  }

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

  .settings-category-tab {
    padding-inline: 9px;
  }
}

@media (max-width: 760px) {
  .layout.os-layout-v10 .settings-window,
  .settings-window {
    height: calc(100dvh - 74px);
    border-radius: 12px;
  }

  .settings-window-titlebar {
    min-height: 58px;
    padding-left: 12px;
  }

  .settings-window-titlebar small {
    display: none;
  }

  .settings-window-tools .maximize {
    display: none;
  }

  .settings-category-bar {
    flex-wrap: nowrap;
    padding-inline: 8px;
  }

  .settings-category-tab {
    width: auto !important;
    min-width: max-content !important;
    flex: 0 0 auto !important;
  }

  .settings-category-tab strong {
    font-size: 0.78rem;
    white-space: nowrap;
  }

  .layout.os-layout-v10 .settings-body,
  .settings-body {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .layout.os-layout-v10 .settings-module-rail,
  .settings-module-rail {
    grid-template-columns: minmax(190px, 0.72fr) minmax(0, 1.28fr);
    grid-template-rows: auto;
    gap: 8px;
    padding: 8px;
    border-right: 0;
    border-bottom: 1px solid var(--settings-border);
  }

  .layout.os-layout-v10 .settings-module-tabs,
  .settings-module-tabs {
    margin: 0;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .settings-module-group {
    display: flex;
    min-width: max-content;
  }

  .settings-module-group-title {
    display: none;
  }

  .layout.os-layout-v10 .settings-module-tab,
  .settings-module-tab {
    width: 190px;
    min-height: 58px;
  }

  .settings-module-tab > small {
    display: none;
  }

  .settings-module-workspace {
    padding: 10px;
  }

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

  .settings-window-footer {
    min-height: 54px;
    overflow-x: auto;
  }

  .settings-window-footer-left small,
  .settings-footer-location i,
  .settings-footer-location + small {
    display: none;
  }

  .settings-window-footer-right {
    min-width: max-content;
  }
}

@media (max-width: 500px) {
  .layout.os-layout-v10 .settings-window,
  .settings-window {
    height: calc(100dvh - 58px);
  }

  .settings-title-icon {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }

  .settings-category-tab span {
    display: none;
  }

  .settings-category-tab small {
    min-width: 18px;
    height: 18px;
    padding-inline: 5px;
  }

  .layout.os-layout-v10 .settings-module-rail,
  .settings-module-rail {
    grid-template-columns: 1fr;
  }

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

  .settings-window-footer-left {
    display: none;
  }

  .settings-window-footer {
    justify-content: flex-end;
  }

  .settings-window-footer-right .btn {
    min-width: max-content;
  }
}