/* LuSu Mobile OS presentation adapter.
 * Business state remains owned by js/main.js; this file only reshapes the shared DOM.
 */

.mobile-statusbar,
.mobile-appbar,
.mobile-home-indicator,
.mobile-language-cycle {
  display: none;
}

.mobile-dock-scroll {
  display: contents;
}

.mobile-dock-selection {
  display: none;
}

html[data-ui-shell="mobile"] {
  --mobile-safe-top: env(safe-area-inset-top, 0px);
  --mobile-safe-right: env(safe-area-inset-right, 0px);
  --mobile-safe-bottom: env(safe-area-inset-bottom, 0px);
  --mobile-safe-left: env(safe-area-inset-left, 0px);
  --mobile-status-height: 34px;
  --mobile-toolbar-height: 52px;
  --mobile-header-height: calc(var(--mobile-safe-top) + var(--mobile-status-height) + var(--mobile-toolbar-height));
  --mobile-dock-height: 82px;
  --mobile-dock-space: calc(var(--mobile-dock-height) + var(--mobile-safe-bottom) + 12px);
  --mobile-ink: #10224b;
  --mobile-muted: #526482;
  --mobile-blue: #1768ff;
  --mobile-cyan: #66d8ff;
  --mobile-pink: #ff81b7;
  --mobile-glass: rgba(245, 250, 255, 0.78);
  --mobile-glass-strong: rgba(250, 252, 255, 0.92);
  --mobile-stroke: rgba(255, 255, 255, 0.58);
  --mobile-shadow: 0 18px 48px rgba(7, 24, 70, 0.24);
  --mobile-frame-edge: #31558e;
  --mobile-frame-mid: #8cadd7;
  --mobile-frame-highlight: #f8fbff;
  --mobile-frame-surface: #e9f1fb;
  --mobile-wallpaper: url("../assets/images/mobile-wallpapers/day.webp?v=20260711-calm-motion-r13");
  min-height: 100%;
  background: #071536;
  color-scheme: light;
}

html[data-ui-shell="mobile"] body[data-time-theme="morning"] {
  --mobile-wallpaper: url("../assets/images/mobile-wallpapers/morning.webp?v=20260711-calm-motion-r13");
}

html[data-ui-shell="mobile"] body[data-time-theme="day"] {
  --mobile-wallpaper: url("../assets/images/mobile-wallpapers/day.webp?v=20260711-calm-motion-r13");
}

html[data-ui-shell="mobile"] body[data-time-theme="dusk"] {
  --mobile-wallpaper: url("../assets/images/mobile-wallpapers/dusk.webp?v=20260711-calm-motion-r13");
}

html[data-ui-shell="mobile"] body[data-time-theme="night"] {
  --mobile-wallpaper: url("../assets/images/mobile-wallpapers/night.webp?v=20260711-calm-motion-r13");
}

html[data-ui-shell="mobile"] body {
  min-width: 0;
  min-height: var(--mobile-viewport-height, 100dvh);
  overflow: hidden;
  overscroll-behavior: none;
  color: var(--mobile-ink);
  background: #071536;
  -webkit-tap-highlight-color: transparent;
}

html[data-ui-shell="mobile"] body.is-article-reading,
html[data-ui-shell="mobile"] body.is-article-reading.is-article-window-restored {
  overflow: hidden;
}

html[data-ui-shell="mobile"] button,
html[data-ui-shell="mobile"] a,
html[data-ui-shell="mobile"] input,
html[data-ui-shell="mobile"] textarea {
  touch-action: manipulation;
}

html[data-ui-shell="mobile"] .site-shell {
  display: block;
  width: 100%;
  height: var(--mobile-viewport-height, 100dvh);
  min-height: var(--mobile-viewport-height, 100dvh);
  overflow: hidden;
  background: #071536;
}

html[data-ui-shell="mobile"] .site-shell::before {
  background-image: var(--mobile-wallpaper);
  background-position: center;
  background-size: cover;
  filter: saturate(1.03) contrast(1.02);
  transform: scale(1.02);
}

html[data-ui-shell="mobile"] .site-shell::after {
  z-index: 0;
  opacity: 1;
  background:
    linear-gradient(180deg, rgba(2, 12, 42, 0.28) 0%, transparent 20%, transparent 68%, rgba(2, 12, 42, 0.3) 100%),
    radial-gradient(circle at 50% 35%, transparent 0 38%, rgba(1, 10, 34, 0.16) 100%);
}

html[data-ui-shell="mobile"] body[data-route="home"] .site-shell::after {
  opacity: 1;
}

html[data-ui-shell="mobile"] .site-shell > header {
  z-index: 90;
}

html[data-ui-shell="mobile"] .xp-topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: calc(var(--mobile-safe-top) + var(--mobile-status-height)) var(--mobile-toolbar-height);
  gap: 0 10px;
  width: 100%;
  min-height: var(--mobile-header-height);
  padding: 0 max(14px, var(--mobile-safe-right)) 0 max(14px, var(--mobile-safe-left));
  overflow: visible;
  border: 0;
  color: #fff;
  background: linear-gradient(180deg, rgba(3, 14, 48, 0.34), transparent);
  box-shadow: none;
  backdrop-filter: none;
}

html[data-ui-shell="mobile"] .xp-topbar::before,
html[data-ui-shell="mobile"] .xp-topbar::after {
  content: none;
}

html[data-ui-shell="mobile"] .mobile-statusbar {
  grid-column: 1 / -1;
  grid-row: 1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  min-width: 0;
  height: 100%;
  padding: var(--mobile-safe-top) 2px 5px;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 4px rgba(0, 9, 36, 0.7);
}

html[data-ui-shell="mobile"] .mobile-status-time {
  justify-self: start;
  font-variant-numeric: tabular-nums;
}

html[data-ui-shell="mobile"] .mobile-status-island {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: end;
  gap: 5px;
  min-width: 94px;
  height: 25px;
  margin-bottom: -2px;
  padding: 0 10px 0 7px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(2, 7, 22, 0.86);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 5px 16px rgba(0, 0, 0, 0.18);
  font-size: 9px;
  letter-spacing: 0.12em;
}

html[data-ui-shell="mobile"] .mobile-status-island img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

html[data-ui-shell="mobile"] .brand-button,
html[data-ui-shell="mobile"] .mobile-appbar {
  grid-column: 1;
  grid-row: 2;
  align-self: center;
}

html[data-ui-shell="mobile"] .brand-button {
  display: inline-flex;
  justify-self: start;
  width: auto;
  max-width: min(52vw, 220px);
  min-height: 44px;
  padding: 4px 12px 4px 5px;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 16px;
  color: #fff;
  background: rgba(13, 46, 112, 0.32);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.26), 0 10px 28px rgba(3, 14, 48, 0.17);
  backdrop-filter: blur(18px) saturate(1.25);
  font-size: 14px;
  text-shadow: 0 1px 4px rgba(0, 20, 68, 0.82);
}

html[data-ui-shell="mobile"] .brand-orb {
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 3px 5px rgba(0, 21, 70, 0.35));
}

html[data-ui-shell="mobile"] .mobile-appbar {
  display: none;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

html[data-ui-shell="mobile"] body:not([data-route="home"]) .mobile-appbar {
  display: flex;
  grid-column: 1 / -1;
}

html[data-ui-shell="mobile"] body:not([data-route="home"]) .brand-button {
  display: none;
}

html[data-ui-shell="mobile"] body:not([data-route="home"]) {
  --mobile-toolbar-height: 48px;
  --mobile-app-accent: #5f8dff;
}

html[data-ui-shell="mobile"] body[data-time-theme="morning"]:not([data-route="home"]) {
  --mobile-frame-edge: #356c72;
  --mobile-frame-mid: #9bc5c1;
  --mobile-frame-surface: #eef8f5;
}

html[data-ui-shell="mobile"] body[data-time-theme="dusk"]:not([data-route="home"]) {
  --mobile-frame-edge: #704d7f;
  --mobile-frame-mid: #c1a0c8;
  --mobile-frame-surface: #f7eef8;
}

html[data-ui-shell="mobile"] body[data-time-theme="night"]:not([data-route="home"]) {
  --mobile-frame-edge: #3d467e;
  --mobile-frame-mid: #8994bf;
  --mobile-frame-surface: #edf0fa;
}

html[data-ui-shell="mobile"] body:not([data-route="home"]) .xp-topbar {
  grid-template-columns: minmax(0, 1fr);
  background: linear-gradient(180deg, rgba(3, 14, 48, 0.44), rgba(3, 14, 48, 0.08));
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.12);
}

html[data-ui-shell="mobile"] body:not([data-route="home"]) .topbar-actions {
  display: none;
}

html[data-ui-shell="mobile"] .mobile-home-button {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  width: auto;
  max-width: 42vw;
  height: 44px;
  flex: 0 0 auto;
  gap: 6px;
  padding: 5px 10px 5px 6px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 15px;
  color: #fff;
  background: rgba(7, 35, 94, 0.38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.26), 0 8px 22px rgba(2, 14, 52, 0.2);
  backdrop-filter: blur(18px) saturate(1.28);
}

html[data-ui-shell="mobile"] .mobile-home-button img {
  width: 31px;
  height: 31px;
  flex: 0 0 31px;
  object-fit: contain;
}

html[data-ui-shell="mobile"] .mobile-home-label {
  min-width: 0;
  overflow: hidden;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  text-overflow: ellipsis;
  text-shadow: 0 1px 4px rgba(0, 17, 60, 0.82);
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .mobile-route-copy {
  flex: 1 1 auto;
  min-width: 0;
  margin-left: auto;
  color: #fff;
  text-align: right;
  text-shadow: 0 1px 4px rgba(0, 17, 60, 0.82);
}

html[data-ui-shell="mobile"] .mobile-route-copy span,
html[data-ui-shell="mobile"] .mobile-route-copy strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .mobile-route-copy span {
  margin-bottom: 2px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

html[data-ui-shell="mobile"] .mobile-route-copy strong {
  max-width: min(58vw, 520px);
  margin-left: auto;
  font-size: 15px;
  line-height: 1.12;
}

html[data-ui-shell="mobile"] .topbar-actions {
  grid-column: 2;
  grid-row: 2;
  align-self: center;
  display: flex;
  justify-content: flex-end;
  flex-wrap: nowrap;
  width: auto;
  min-width: 0;
  gap: 5px;
  padding: 3px;
  overflow: visible;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 15px;
  background: rgba(6, 32, 89, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 8px 22px rgba(2, 14, 52, 0.16);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

html[data-ui-shell="mobile"] .topbar-actions .top-updated {
  display: none;
}

html[data-ui-shell="mobile"] .account-widget {
  width: auto;
  min-height: 38px;
}

html[data-ui-shell="mobile"] .account-button,
html[data-ui-shell="mobile"] .account-button.signed-in {
  width: auto;
  min-width: 44px;
  max-width: 92px;
  height: 44px;
  padding: 0 9px;
  overflow: hidden;
  border-color: rgba(255, 255, 255, 0.42);
  border-radius: 12px;
  color: #fff;
  background: rgba(18, 70, 151, 0.42);
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .mobile-language-cycle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 12px;
  color: #16376f;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 3px 10px rgba(0, 19, 65, 0.2);
  font-size: 11px;
  font-weight: 900;
}

html[data-ui-shell="mobile"] .language-switcher {
  display: none;
}

html[data-ui-shell="mobile"] body:not([data-route="home"]) .mobile-route-copy strong {
  max-width: min(58vw, 520px);
}

html[data-ui-shell="mobile"] .account-popover {
  position: fixed;
  z-index: 130;
  inset: var(--mobile-header-height) 12px auto;
  width: auto;
  max-height: calc(var(--mobile-viewport-height, 100dvh) - var(--mobile-header-height) - var(--mobile-dock-space) - 10px);
  overflow: auto;
  transform: none;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 22px;
  background: rgba(249, 252, 255, 0.94);
  box-shadow: 0 26px 70px rgba(1, 12, 42, 0.38);
  backdrop-filter: blur(26px) saturate(1.2);
}

html[data-ui-shell="mobile"] main {
  display: grid;
  width: 100%;
  min-height: var(--mobile-viewport-height, 100dvh);
}

html[data-ui-shell="mobile"] .page {
  grid-area: 1 / 1;
  width: 100%;
  height: var(--mobile-viewport-height, 100dvh);
  min-height: 0;
  padding: var(--mobile-header-height) max(8px, var(--mobile-safe-right)) var(--mobile-dock-space) max(8px, var(--mobile-safe-left));
  overflow: hidden;
  animation: none;
}

html[data-ui-shell="mobile"] .page.active {
  display: block;
}

html[data-ui-shell="mobile"] .page-home {
  position: relative;
  padding: 0;
  overflow: hidden;
  background: #296bd4;
}

html[data-ui-shell="mobile"] .wallpaper-root,
html[data-ui-shell="mobile"] .wallpaper-stage {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  transform: none;
  background: #296bd4;
}

html[data-ui-shell="mobile"] .wallpaper-stage {
  left: 0;
  top: 0;
  contain: strict;
}

html[data-ui-shell="mobile"] .wallpaper-base,
html[data-ui-shell="mobile"] .wallpaper-root[data-time] .wallpaper-base {
  inset: -1px;
  background-image: var(--mobile-wallpaper) !important;
  background-position: center;
  background-size: cover;
  image-rendering: auto;
}

html[data-ui-shell="mobile"] .wallpaper-cloud,
html[data-ui-shell="mobile"] .wallpaper-tree-canopy,
html[data-ui-shell="mobile"] .wallpaper-tv-static,
html[data-ui-shell="mobile"] .wallpaper-tv-girl,
html[data-ui-shell="mobile"] .wallpaper-stars,
html[data-ui-shell="mobile"] .wallpaper-water-shimmer {
  display: none !important;
}

html[data-ui-shell="mobile"] .desktop-intro {
  position: absolute;
  z-index: 2;
  top: calc(var(--mobile-header-height) + 17px);
  right: 18px;
  left: 18px;
  width: auto;
  margin: 0;
  padding: 14px 16px 13px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 22px;
  color: #fff;
  background: linear-gradient(135deg, rgba(5, 45, 112, 0.28), rgba(255, 255, 255, 0.11));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 18px 42px rgba(2, 15, 48, 0.16);
  text-align: left;
  text-shadow: 0 2px 7px rgba(0, 24, 80, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
}

html[data-ui-shell="mobile"] .desktop-intro h1 {
  margin: 0;
  overflow: hidden;
  font-size: clamp(24px, 7.4vw, 32px);
  line-height: 1.08;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .desktop-intro h1::after {
  content: none;
}

html[data-ui-shell="mobile"] .hero-en {
  margin: 5px 0 4px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.12em;
  white-space: normal;
}

html[data-ui-shell="mobile"] .hero-lead {
  max-width: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 12px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .desktop-icons {
  position: absolute;
  z-index: 3;
  top: calc(var(--mobile-header-height) + 12px);
  right: 14px;
  bottom: var(--mobile-dock-space);
  left: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 90px;
  align-content: start;
  justify-items: center;
  gap: 6px 2px;
  width: auto;
  margin: 0;
}

html[data-ui-shell="mobile"] .desktop-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 2px;
  box-sizing: border-box;
  width: min(78px, 100%);
  height: 90px;
  min-height: 90px;
  padding: 3px 2px;
  border: 0;
  border-radius: 18px;
  color: #fff;
  background: transparent;
  box-shadow: none;
  text-align: center;
  text-shadow: 0 2px 5px rgba(0, 18, 62, 0.88);
}

html[data-ui-shell="mobile"] .desktop-icon:hover,
html[data-ui-shell="mobile"] .desktop-icon:focus-visible,
html[data-ui-shell="mobile"] .desktop-icon.is-hovered,
html[data-ui-shell="mobile"] .desktop-icon.is-active {
  border: 0;
  background: rgba(255, 255, 255, 0.15);
  animation: none;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

html[data-ui-shell="mobile"] .desktop-icon:focus-visible {
  outline: 3px solid rgba(255, 236, 116, 0.96);
  outline-offset: 1px;
}

html[data-ui-shell="mobile"] .desktop-icon .pixel-icon {
  width: 56px;
  height: 56px;
  flex: 0 0 56px;
  margin: 0;
  background-size: contain !important;
  image-rendering: auto;
  filter: drop-shadow(0 8px 9px rgba(0, 20, 70, 0.3));
}

html[data-ui-shell="mobile"] .desktop-icon .game-icon,
html[data-ui-shell="mobile"] .desktop-icon .chat-icon {
  background-size: 68px 68px !important;
}

html[data-ui-shell="mobile"] .desktop-icon .chatroom-icon {
  background-size: 54px 54px !important;
}

html[data-ui-shell="mobile"] .icon-title {
  display: -webkit-box;
  width: 100%;
  min-height: 24px;
  overflow: hidden;
  font-size: 11px;
  font-weight: 900;
  line-height: 1.16;
  text-align: center;
  text-wrap: balance;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

html[data-ui-shell="mobile"] .icon-caption {
  display: none;
}

html[data-ui-shell="mobile"] .page:not(.page-home) > .xp-window {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  height: 100%;
  min-height: 0;
  max-height: none;
  margin: 0;
  overflow: hidden;
  border: 2px solid var(--mobile-frame-edge);
  border-radius: 22px 22px 0 0;
  background: var(--mobile-frame-surface);
  box-shadow:
    0 0 0 2px var(--mobile-frame-mid),
    0 0 0 3px var(--mobile-frame-edge),
    var(--mobile-shadow),
    inset 0 0 0 2px var(--mobile-frame-highlight);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

html[data-ui-shell="mobile"] #knowledge.page > .xp-window,
html[data-ui-shell="mobile"] #videos.page > .xp-window,
html[data-ui-shell="mobile"] #resources.page > .xp-window,
html[data-ui-shell="mobile"] #games.page > .xp-window,
html[data-ui-shell="mobile"] #blog.page > .xp-window,
html[data-ui-shell="mobile"] #chatroom.page > .xp-window,
html[data-ui-shell="mobile"] #about.page > .xp-window {
  width: 100%;
  max-width: none;
  height: 100%;
  min-height: 0;
  max-height: none;
  margin: 0;
  overflow: hidden;
}

html[data-ui-shell="mobile"] body.is-article-reading #knowledge.page > .xp-window,
html[data-ui-shell="mobile"] body.is-article-reading.is-article-window-restored #knowledge.page > .xp-window {
  width: 100%;
  max-width: none;
  height: 100%;
  min-height: 0;
  max-height: none;
  margin: 0;
  border-radius: 22px 22px 0 0;
}

html[data-ui-shell="mobile"] body.is-article-reading #knowledge.page .window-titlebar {
  min-height: 52px;
}

html[data-ui-shell="mobile"] body.is-article-reading #knowledge.page .close-button {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
}

html[data-ui-shell="mobile"] .window-titlebar {
  position: relative;
  z-index: 4;
  flex: 0 0 auto;
  min-height: 52px;
  padding: 4px 8px 4px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.34);
  color: #fff;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 52%),
    linear-gradient(135deg, #397ff6, #174bc4 58%, #3e2d9f);
  font-size: 15px;
  text-shadow: 0 1px 4px rgba(0, 20, 74, 0.74);
}

html[data-ui-shell="mobile"] .window-titlebar::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 50%;
  width: 36px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
  transform: translateX(-50%);
}

html[data-ui-shell="mobile"] body:not([data-route="home"]) .page.active > .xp-window > .window-titlebar {
  display: none;
}

html[data-ui-shell="mobile"] body:not([data-route="home"]) .page.active > .xp-window {
  box-shadow:
    0 0 0 2px var(--mobile-frame-mid),
    0 0 0 3px var(--mobile-frame-edge),
    inset 0 0 0 2px var(--mobile-frame-highlight),
    inset 0 3px 0 var(--mobile-app-accent),
    0 18px 48px rgba(5, 20, 63, 0.24);
}

html[data-ui-shell="mobile"] .chatroom-window.is-private-room {
  --mobile-frame-edge: #333a5e;
  --mobile-frame-mid: #7d89ad;
  --mobile-frame-highlight: #dce5fb;
  --mobile-frame-surface: #141c2e;
}

html[data-ui-shell="mobile"] .title-icon,
html[data-ui-shell="mobile"] .section-title-icon,
html[data-ui-shell="mobile"] .chatroom-title-icon {
  width: 28px;
  height: 28px;
  flex-basis: 28px;
  margin-right: 7px;
}

html[data-ui-shell="mobile"] .close-button,
html[data-ui-shell="mobile"] .titlebar-button {
  min-width: 44px;
  width: 44px;
  min-height: 44px;
  height: 44px;
  border-radius: 12px;
}

html[data-ui-shell="mobile"] .minimize-button {
  display: none;
}

html[data-ui-shell="mobile"] [data-article-window-toggle] {
  display: none;
}

html[data-ui-shell="mobile"] #video-window-maximize {
  display: none;
}

html[data-ui-shell="mobile"] .knowledge-searchbar {
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: 44px 0;
  column-gap: 7px;
  row-gap: 0;
  box-sizing: border-box;
  flex: 0 0 52px;
  height: 52px;
  min-height: 52px;
  margin: 5px 5px 0;
  padding: 4px 8px;
  overflow: hidden;
  border: 1px solid var(--mobile-frame-edge);
  border-radius: 10px;
  background: rgba(240, 246, 255, 0.94);
  box-shadow: inset 0 0 0 1px var(--mobile-frame-highlight), 0 2px 0 var(--mobile-frame-mid);
}

html[data-ui-shell="mobile"] .knowledge-searchbar.has-search-status {
  grid-template-rows: 44px 14px;
  row-gap: 2px;
  flex-basis: 70px;
  height: 70px;
  min-height: 70px;
  padding-block: 4px 5px;
}

html[data-ui-shell="mobile"] .knowledge-searchbar label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

html[data-ui-shell="mobile"] #knowledge-search-status {
  grid-column: 1 / -1;
  min-height: 14px;
  overflow: hidden;
  font-size: 11px;
  line-height: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] #knowledge-search-status:empty {
  display: none;
}

html[data-ui-shell="mobile"] .knowledge-searchbar input,
html[data-ui-shell="mobile"] input,
html[data-ui-shell="mobile"] textarea {
  min-height: 44px;
  border: 1px solid #a9bcd9;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: inset 0 1px 3px rgba(30, 56, 100, 0.1);
}

html[data-ui-shell="mobile"] .folder-layout {
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  margin: 5px;
  overflow: hidden;
  border: 1px solid var(--mobile-frame-edge);
  border-radius: 10px;
  background: var(--mobile-frame-highlight);
  box-shadow: inset 0 0 0 1px var(--mobile-frame-highlight);
}

html[data-ui-shell="mobile"] .category-panel {
  display: flex;
  gap: 7px;
  min-height: 0;
  padding: 4px 8px;
  overflow-x: auto;
  border: 0;
  border-bottom: 1px solid #ced9e9;
  background: rgba(235, 244, 255, 0.94);
}

html[data-ui-shell="mobile"] .category-button,
html[data-ui-shell="mobile"] .filter-row button,
html[data-ui-shell="mobile"] .xp-button,
html[data-ui-shell="mobile"] .card-action {
  min-height: 44px;
  border-width: 1px;
  border-radius: 12px;
}

html[data-ui-shell="mobile"] .category-button {
  flex: 0 0 auto;
  width: auto;
  max-width: 72vw;
  margin: 0;
  padding: 7px 11px;
}

html[data-ui-shell="mobile"] .content-list,
html[data-ui-shell="mobile"] .card-grid,
html[data-ui-shell="mobile"] .download-list,
html[data-ui-shell="mobile"] .notepad-paper,
html[data-ui-shell="mobile"] .game-list,
html[data-ui-shell="mobile"] .article-detail {
  padding: 8px;
  scrollbar-width: thin;
}

html[data-ui-shell="mobile"] #videos .card-grid,
html[data-ui-shell="mobile"] #resources .download-list,
html[data-ui-shell="mobile"] #games .game-list,
html[data-ui-shell="mobile"] #blog .notepad-paper,
html[data-ui-shell="mobile"] #about .profile-card {
  margin: 5px;
  overflow: auto;
  border: 1px solid var(--mobile-frame-edge);
  border-radius: 10px;
  background: rgba(248, 251, 255, 0.92);
  box-shadow: inset 0 0 0 1px var(--mobile-frame-highlight);
}

html[data-ui-shell="mobile"] .game-list {
  max-height: none;
}

html[data-ui-shell="mobile"] .card-grid,
html[data-ui-shell="mobile"] .video-grid {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 8px;
}

html[data-ui-shell="mobile"] .video-card,
html[data-ui-shell="mobile"] .resource-card,
html[data-ui-shell="mobile"] .game-card,
html[data-ui-shell="mobile"] .article-card,
html[data-ui-shell="mobile"] .blog-card {
  flex: 0 0 auto;
  width: 100%;
  border: 1px solid var(--mobile-frame-edge);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 0 0 1px var(--mobile-frame-highlight), 0 3px 0 var(--mobile-frame-mid), 0 8px 18px rgba(34, 61, 105, 0.09);
}

html[data-ui-shell="mobile"] .article-card,
html[data-ui-shell="mobile"] .resource-card,
html[data-ui-shell="mobile"] .game-card,
html[data-ui-shell="mobile"] .blog-card {
  gap: 6px;
  margin-bottom: 8px;
  padding: 10px;
}

html[data-ui-shell="mobile"] .article-card h3,
html[data-ui-shell="mobile"] .video-card h3,
html[data-ui-shell="mobile"] .resource-card h3,
html[data-ui-shell="mobile"] .game-card h3,
html[data-ui-shell="mobile"] .blog-card h3 {
  font-size: clamp(14px, 4vw, 16px);
  line-height: 1.25;
}

html[data-ui-shell="mobile"] .article-card p,
html[data-ui-shell="mobile"] .video-card p,
html[data-ui-shell="mobile"] .resource-card p,
html[data-ui-shell="mobile"] .game-card p,
html[data-ui-shell="mobile"] .blog-card p {
  font-size: clamp(13px, 3.5vw, 14px);
  line-height: 1.42;
}

html[data-ui-shell="mobile"] .article-card p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

html[data-ui-shell="mobile"] .video-body {
  gap: 6px;
  padding: 10px;
}

html[data-ui-shell="mobile"] .video-body > p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

html[data-ui-shell="mobile"] .game-card {
  grid-template-columns: 52px minmax(0, 1fr) minmax(70px, 82px);
  align-items: center;
  min-height: 0;
}

html[data-ui-shell="mobile"] .game-cover {
  width: 52px;
  height: 52px;
  padding: 5px;
}

html[data-ui-shell="mobile"] .game-main {
  gap: 4px;
  min-width: 0;
}

html[data-ui-shell="mobile"] .game-main .meta-row {
  flex-wrap: nowrap;
  align-items: center;
  min-height: 44px;
  padding: 0 16px 1px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

html[data-ui-shell="mobile"] .game-main .meta-row::-webkit-scrollbar {
  display: none;
}

html[data-ui-shell="mobile"] .game-main .meta-row > * {
  flex: 0 0 auto;
}

html[data-ui-shell="mobile"] .game-card .card-action {
  grid-column: 3;
  grid-row: 1;
  align-self: center;
  justify-self: stretch;
  width: 100%;
  min-width: 70px;
  min-height: 44px;
  padding-inline: 7px;
  overflow-wrap: anywhere;
  text-align: center;
}

html[data-ui-shell="mobile"] .resource-card {
  min-height: 0;
}

html[data-ui-shell="mobile"] .video-thumb {
  height: clamp(116px, 35vw, 146px);
  max-height: 146px;
  object-fit: cover;
  border-radius: 8px 8px 0 0;
}

html[data-ui-shell="mobile"] .filter-row {
  flex-wrap: nowrap;
  min-height: 52px;
  margin: 5px 5px 0;
  padding: 4px 8px;
  overflow-x: auto;
  border: 1px solid var(--mobile-frame-edge);
  border-radius: 10px;
  background: rgba(239, 246, 255, 0.94);
  box-shadow: inset 0 0 0 1px var(--mobile-frame-highlight), 0 2px 0 var(--mobile-frame-mid);
}

html[data-ui-shell="mobile"] #resources .filter-row {
  flex-wrap: nowrap;
  overflow-x: auto;
}

html[data-ui-shell="mobile"] #resources .filter-row button {
  flex: 0 0 auto;
}

html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail {
  gap: 11px;
  padding: 10px 10px calc(var(--mobile-dock-space) + 54px);
}

html[data-ui-shell="mobile"] .article-reader-sidebar {
  display: block;
  position: static;
  min-height: 0;
  width: 100%;
}

html[data-ui-shell="mobile"] .article-back-button {
  align-self: flex-start;
  width: auto;
}

html[data-ui-shell="mobile"] .article-toc > p,
html[data-ui-shell="mobile"] .article-toc-tip {
  display: none;
}

html[data-ui-shell="mobile"] #article-detail-toc-list {
  display: flex;
  gap: 6px;
  max-height: none;
  padding: 4px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

html[data-ui-shell="mobile"] .article-toc-link {
  flex: 0 0 auto;
  width: auto;
  max-width: 78vw;
  min-height: 44px;
  padding: 7px 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .article-detail-card {
  padding: 16px 14px 22px;
  border-radius: 18px;
}

html[data-ui-shell="mobile"] .article-detail-head {
  margin-bottom: 10px;
  padding-bottom: 10px;
}

html[data-ui-shell="mobile"] #article-detail-meta {
  flex-wrap: nowrap;
  gap: 6px;
  min-height: 36px;
  padding-bottom: 4px;
  overflow-x: auto;
  overflow-y: hidden;
  font-size: 12px;
  scrollbar-width: thin;
}

html[data-ui-shell="mobile"] #article-detail-meta::-webkit-scrollbar {
  display: block;
  height: 4px;
}

html[data-ui-shell="mobile"] #article-detail-meta::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(58, 105, 177, 0.42);
}

html[data-ui-shell="mobile"] #article-detail-meta .article-meta-item::before {
  display: none;
}

html[data-ui-shell="mobile"] #article-detail-meta > * {
  flex: 0 0 auto;
  max-width: none;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .article-detail-head h2 {
  margin: 8px 0 6px;
  font-size: clamp(20px, 6vw, 24px);
  line-height: 1.18;
}

html[data-ui-shell="mobile"] .article-detail-head > p {
  display: -webkit-box;
  overflow: hidden;
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

html[data-ui-shell="mobile"] .article-detail-actions {
  margin-top: 8px;
}

html[data-ui-shell="mobile"] .article-copy-status:empty {
  display: none;
}

html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress {
  grid-template-columns: minmax(0, 1fr) 30px;
  align-items: center;
  gap: 4px;
  top: calc(var(--mobile-safe-top) + var(--mobile-status-height) + 8px);
  right: 10px;
  bottom: auto;
  left: auto;
  z-index: 95;
  box-sizing: border-box;
  width: 90px;
  min-height: 32px;
  height: 32px;
  padding: 3px 5px;
  border-radius: 11px;
  background: rgba(248, 252, 255, 0.94);
  box-shadow: inset 0 1px 0 #fff, 0 4px 12px rgba(0, 24, 78, 0.2);
}

html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress-label {
  display: contents;
}

html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress-label span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress-label strong {
  grid-column: 2;
  justify-self: end;
  font-size: 11px;
}

html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress-track {
  grid-column: 1;
  grid-row: 1;
  height: 6px;
}

html[data-ui-shell="mobile"] body.is-article-reading .article-top-link {
  top: calc(var(--mobile-safe-top) + var(--mobile-status-height) + 2px);
  right: 106px;
  bottom: auto;
  z-index: 95;
  justify-content: center;
  width: 44px;
  min-width: 44px;
  max-width: 44px;
  min-height: 44px;
  height: 44px;
  padding: 0;
  border-radius: 12px;
}

html[data-ui-shell="mobile"] body.is-article-reading .article-top-link > span:last-child {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

html[data-ui-shell="mobile"] body.is-article-reading .mobile-route-copy strong {
  max-width: min(calc(100vw - 216px), 520px);
}

html[data-ui-shell="mobile"] .notepad-menu {
  display: none;
}

html[data-ui-shell="mobile"] .chatroom-window {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
}

html[data-ui-shell="mobile"] .chatroom-header {
  grid-row: 1;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 9px;
  margin: 5px 5px 0;
  padding: 10px;
  border: 1px solid var(--mobile-frame-edge);
  border-radius: 10px;
  background: rgba(246, 241, 232, 0.94);
  box-shadow: inset 0 0 0 1px var(--mobile-frame-highlight), 0 2px 0 var(--mobile-frame-mid);
}

html[data-ui-shell="mobile"] .chatroom-avatar {
  width: 44px;
  height: 44px;
  border-radius: 13px;
}

html[data-ui-shell="mobile"] .chatroom-status {
  grid-column: 1 / -1;
  justify-content: flex-start;
  max-width: none;
  font-size: 11px;
}

html[data-ui-shell="mobile"] .chat-private-room-panel {
  position: relative;
  grid-row: 2;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  margin: 4px 5px 0;
  padding: 8px 10px;
  border: 1px solid var(--mobile-frame-edge);
  border-radius: 10px;
}

html[data-ui-shell="mobile"] .chat-private-room-panel label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

html[data-ui-shell="mobile"] .chat-private-room-panel small {
  display: none;
}

html[data-ui-shell="mobile"] .chat-private-room-panel input,
html[data-ui-shell="mobile"] .chat-private-room-panel .xp-button {
  grid-column: auto;
  min-width: 0;
  min-height: 44px;
}

html[data-ui-shell="mobile"] .chatroom-log {
  grid-row: 3;
  height: auto;
  min-height: 0;
  margin: 5px;
  padding: 10px;
  border: 1px solid var(--mobile-frame-edge);
  border-radius: 15px;
  box-shadow: inset 0 0 0 1px var(--mobile-frame-highlight);
}

html[data-ui-shell="mobile"] .chatroom-compose {
  position: relative;
  grid-row: 4;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 7px 9px;
  margin: 0 5px;
  padding: 8px 10px;
  border-right: 1px solid var(--mobile-frame-edge);
  border-left: 1px solid var(--mobile-frame-edge);
}

html[data-ui-shell="mobile"] .chatroom-compose textarea {
  grid-row: 1;
  grid-column: 1;
  min-height: 52px;
  height: 52px;
  max-height: 52px;
  resize: none;
}

html[data-ui-shell="mobile"] .chatroom-compose textarea::-webkit-scrollbar {
  width: 4px;
}

html[data-ui-shell="mobile"] .chatroom-compose textarea::-webkit-scrollbar-button {
  display: none;
}

html[data-ui-shell="mobile"] .chatroom-compose textarea::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(73, 105, 155, 0.46);
}

html[data-ui-shell="mobile"] .chatroom-window.is-private-room .chatroom-compose textarea::-webkit-scrollbar-thumb {
  background: rgba(158, 182, 222, 0.5);
}

html[data-ui-shell="mobile"] .chatroom-counter {
  position: static;
  grid-row: 1;
  grid-column: 2;
  align-self: center;
  justify-self: center;
  min-width: 44px;
  padding: 2px 4px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.86);
  font-size: 11px;
  line-height: 1;
  pointer-events: none;
}

html[data-ui-shell="mobile"] .chatroom-window.is-private-room .chatroom-counter {
  background: rgba(9, 17, 31, 0.86);
}

html[data-ui-shell="mobile"] .chat-send-button {
  grid-row: 1;
  grid-column: 3;
  width: auto;
  min-width: 112px;
  min-height: 44px;
  height: 44px;
  padding: 6px 14px;
  gap: 7px;
  font-size: 15px;
}

html[data-ui-shell="mobile"] .send-bubble-icon,
html[data-ui-shell="mobile"] .chatroom-window.is-private-room .send-bubble-icon {
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 0;
  background-image: url("../assets/images/ui/pixel-ui-glyph-atlas.png?v=20260711-calm-motion-r13");
  background-position: 100% 100%;
  background-repeat: no-repeat;
  background-size: 200% 200%;
}

html[data-ui-shell="mobile"] .chatroom-footer {
  grid-row: 5;
  margin: 0 5px 5px;
  padding: 7px 10px 9px;
  border: 1px solid var(--mobile-frame-edge);
  border-top: 0;
  border-radius: 0 0 10px 10px;
  font-size: 12px;
  line-height: 1.25;
}

html[data-ui-shell="mobile"] #chat-feedback {
  flex: 1 1 auto;
  min-width: 0;
}

html[data-ui-shell="mobile"] .chatroom-autoscroll {
  flex: 0 0 auto;
  min-height: 44px;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .profile-card {
  grid-template-columns: 1fr;
  grid-auto-rows: auto;
  align-content: start;
  align-items: start;
  gap: 9px;
  padding: 10px;
  overflow: auto;
}

html[data-ui-shell="mobile"] #about .profile-card {
  overflow: auto;
}

html[data-ui-shell="mobile"] .game-source-link {
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 10px;
}

html[data-ui-shell="mobile"] .about-social-link {
  width: 44px;
  height: 44px;
}

html[data-ui-shell="mobile"] .profile-avatar {
  width: 100%;
  height: clamp(160px, 26dvh, 180px);
  min-height: 0;
  align-self: start;
  border-radius: 16px;
}

html[data-ui-shell="mobile"] .profile-avatar-image {
  width: min(126px, 42vw);
  height: auto;
  max-height: 100%;
}

html[data-ui-shell="mobile"] .profile-info {
  min-width: 0;
}

@media (max-width: 420px) {
  html[data-ui-shell="mobile"] .game-main .language-support-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  html[data-ui-shell="mobile"] .game-main .meta-row {
    scroll-snap-type: x proximity;
  }

  html[data-ui-shell="mobile"] .game-main .meta-row > * {
    scroll-snap-align: start;
  }
}

html[data-ui-shell="mobile"] .profile-info dl div {
  grid-template-columns: minmax(82px, max-content) minmax(0, 1fr);
  gap: 8px;
}

html[data-ui-shell="mobile"] .xp-taskbar {
  position: fixed;
  z-index: 100;
  right: max(12px, var(--mobile-safe-right));
  bottom: calc(6px + var(--mobile-safe-bottom));
  left: max(12px, var(--mobile-safe-left));
  display: block;
  width: auto;
  max-width: 340px;
  height: var(--mobile-dock-height);
  min-height: var(--mobile-dock-height);
  margin: 0 auto;
  padding: 0;
  overflow: visible;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 23px;
  color: #fff;
  background: rgba(226, 240, 255, 0.34);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38), 0 18px 46px rgba(1, 13, 47, 0.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.35);
  backdrop-filter: blur(24px) saturate(1.35);
  transform: translate3d(0, 0, 0);
  transition:
    transform 220ms cubic-bezier(.2, .8, .2, 1),
    background-color 180ms ease,
    box-shadow 180ms ease;
  will-change: transform;
}

html[data-ui-shell="mobile"] .xp-taskbar::before,
html[data-ui-shell="mobile"] .xp-taskbar::after {
  content: none;
}

html[data-ui-shell="mobile"] .mobile-dock-scroll {
  --mobile-dock-selection-x: 8px;
  --mobile-dock-selection-width: 48px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
  width: 100%;
  height: 100%;
  padding: 7px 8px 12px;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scroll-padding-inline: 8px;
  scroll-snap-type: x proximity;
  touch-action: pan-x;
  transition: opacity 160ms ease;
  scrollbar-width: none;
}

html[data-ui-shell="mobile"] .mobile-dock-selection {
  position: absolute;
  z-index: 0;
  top: 7px;
  left: 0;
  display: block;
  width: var(--mobile-dock-selection-width);
  height: 60px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 5px 14px rgba(0, 20, 66, 0.12);
  pointer-events: none;
  transform: translate3d(var(--mobile-dock-selection-x), 0, 0);
  transition: none;
  will-change: transform;
}

html[data-ui-shell="mobile"] .mobile-dock-scroll.is-dock-indicator-ready .mobile-dock-selection {
  transition:
    transform 220ms cubic-bezier(.22, 1, .36, 1),
    width 220ms cubic-bezier(.22, 1, .36, 1),
    opacity 140ms ease;
}

html[data-ui-shell="mobile"] .mobile-dock-scroll.has-no-dock-route .mobile-dock-selection {
  opacity: 0;
}

html[data-ui-shell="mobile"] .mobile-dock-scroll::-webkit-scrollbar {
  display: none;
}

html[data-ui-shell="mobile"] .start-button,
html[data-ui-shell="mobile"] .taskbar-tabs button {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 48px;
  min-width: 48px;
  max-width: 48px;
  height: 60px;
  min-height: 60px;
  flex: 0 0 48px;
  padding: 3px 2px;
  overflow: hidden;
  border: 0;
  border-radius: 17px;
  color: #fff;
  background: transparent;
  box-shadow: none;
  font-size: 9px;
  line-height: 1;
  text-shadow: 0 1px 4px rgba(0, 17, 60, 0.8);
  scroll-snap-align: center;
  transition:
    color 160ms ease,
    text-shadow 160ms ease,
    filter 160ms ease;
}

html[data-ui-shell="mobile"] .start-button {
  position: relative;
}

html[data-ui-shell="mobile"] .start-button::before {
  content: "";
  width: 39px;
  height: 39px;
  flex: 0 0 39px;
  background: url("../assets/images/lusu-tv-head-desktop-icon.png") center / contain no-repeat;
  filter: drop-shadow(0 5px 7px rgba(0, 19, 65, 0.26));
}

html[data-ui-shell="mobile"] .start-windows-icon {
  display: none;
}

html[data-ui-shell="mobile"] .taskbar-tabs {
  display: contents;
}

html[data-ui-shell="mobile"] .taskbar-tabs button[data-mobile-dock-excluded] {
  display: none;
}

@media (min-width: 375px) {
  html[data-ui-shell="mobile"] .mobile-dock-scroll {
    justify-content: center;
  }
}

html[data-ui-shell="mobile"] .taskbar-icon,
html[data-ui-shell="mobile"] .chat-mini-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  filter: drop-shadow(0 5px 7px rgba(0, 19, 65, 0.26));
}

html[data-ui-shell="mobile"] .taskbar-tabs button > span:last-child,
html[data-ui-shell="mobile"] .start-button > span:last-child {
  width: 100%;
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[data-ui-shell="mobile"] .start-button.active,
html[data-ui-shell="mobile"] .taskbar-tabs button.active {
  color: #0e3675;
  background: transparent;
  box-shadow: none;
  text-shadow: none;
  transform: none;
}

html[data-ui-shell="mobile"] .start-button:focus-visible,
html[data-ui-shell="mobile"] .taskbar-tabs button:focus-visible,
html[data-ui-shell="mobile"] .mobile-home-button:focus-visible,
html[data-ui-shell="mobile"] .account-button:focus-visible {
  outline: 3px solid #ffe774;
  outline-offset: 2px;
}

html[data-ui-shell="mobile"] .status-tray {
  display: none;
}

html[data-ui-shell="mobile"] .mobile-home-indicator {
  position: absolute;
  z-index: 2;
  top: -22px;
  left: 50%;
  display: grid;
  place-items: center;
  width: min(132px, 38vw);
  min-width: 88px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transform: translateX(-50%);
}

html[data-ui-shell="mobile"] .mobile-home-indicator span {
  display: block;
  width: min(112px, 34vw);
  height: 4px;
  border-radius: 999px;
  background: rgba(9, 24, 57, 0.74);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.26);
  transition:
    width 180ms cubic-bezier(.2, .8, .2, 1),
    background-color 180ms ease;
}

html[data-ui-shell="mobile"] .mobile-home-indicator:focus-visible {
  outline: 3px solid #ffe774;
  outline-offset: 1px;
}

html[data-ui-shell="mobile"] body[data-mobile-dock="collapsed"] {
  --mobile-dock-space: calc(30px + var(--mobile-safe-bottom));
}

html[data-ui-shell="mobile"] body[data-mobile-dock="collapsed"] .xp-taskbar {
  transform: translate3d(0, calc(var(--mobile-dock-height) - 15px + var(--mobile-safe-bottom)), 0);
  background: rgba(226, 240, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 7px 18px rgba(1, 13, 47, 0.2);
}

html[data-ui-shell="mobile"] body[data-mobile-dock="collapsed"] .mobile-dock-scroll {
  opacity: 0;
  pointer-events: none;
}

html[data-ui-shell="mobile"] body[data-mobile-dock="collapsed"] .mobile-home-indicator span {
  width: min(82px, 24vw);
  background: rgba(255, 255, 255, 0.84);
}

html[data-ui-shell="mobile"][data-motion="reduced"] .mobile-dock-selection,
html[data-ui-shell="mobile"][data-motion="off"] .mobile-dock-selection,
body[data-motion="reduced"] .mobile-dock-selection,
body[data-motion="off"] .mobile-dock-selection {
  transition-duration: 1ms !important;
}

@media (prefers-reduced-motion: reduce) {
  html[data-ui-shell="mobile"] .mobile-dock-selection {
    transition-duration: 1ms !important;
  }
}

html[data-ui-shell="mobile"] .modal {
  z-index: 180;
  align-items: flex-end;
  padding: 12px max(10px, var(--mobile-safe-right)) calc(10px + var(--mobile-safe-bottom)) max(10px, var(--mobile-safe-left));
}

html[data-ui-shell="mobile"] .modal-backdrop {
  background: rgba(1, 8, 28, 0.52);
  backdrop-filter: blur(8px) saturate(0.9);
}

html[data-ui-shell="mobile"] .welcome-window,
html[data-ui-shell="mobile"] .modal-window {
  width: 100%;
  max-width: none;
  max-height: min(82dvh, calc(var(--mobile-viewport-height, 100dvh) - var(--mobile-safe-top) - 18px));
  margin: 0;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 28px;
  background: rgba(249, 252, 255, 0.95);
  box-shadow: 0 28px 80px rgba(1, 10, 35, 0.48);
}

html[data-ui-shell="mobile"] .welcome-content {
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 14px;
}

html[data-ui-shell="mobile"] .welcome-note {
  grid-template-columns: 54px minmax(0, 1fr);
}

html[data-ui-shell="mobile"] .welcome-note .monitor-icon {
  width: 52px;
  height: 52px;
  background-size: contain !important;
}

html[data-ui-shell="mobile"] .quick-links {
  grid-template-columns: 1fr 1fr;
}

html[data-ui-shell="mobile"] .quick-link {
  min-height: 48px;
  border-radius: 14px;
}

html[data-ui-shell="mobile"] .recent-panel {
  border-radius: 18px;
}

html[data-ui-shell="mobile"] #video-modal,
html[data-ui-shell="mobile"] #video-modal.is-video-maximized {
  padding: var(--mobile-safe-top) 0 var(--mobile-safe-bottom);
}

html[data-ui-shell="mobile"] #video-modal .modal-window,
html[data-ui-shell="mobile"] #video-modal.is-video-maximized .modal-window {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  max-height: none;
  border-radius: 24px 24px 0 0;
}

html[data-ui-shell="mobile"] #video-modal .video-frame {
  flex: 1 1 auto;
  min-height: 0;
}

html[data-ui-shell="mobile"] .online-dot {
  animation: none;
}

@media (max-width: 380px) {
  html[data-ui-shell="mobile"] {
    --mobile-toolbar-height: 50px;
    --mobile-dock-height: 76px;
  }

  html[data-ui-shell="mobile"] .mobile-dock-scroll {
    padding-block: 5px 9px;
  }

  html[data-ui-shell="mobile"] .mobile-dock-selection {
    top: 5px;
  }

  html[data-ui-shell="mobile"] .xp-topbar {
    gap: 0 6px;
    padding-inline: max(9px, var(--mobile-safe-left));
  }

  html[data-ui-shell="mobile"] .brand-button {
    max-width: 42vw;
    padding-right: 8px;
    font-size: 12px;
  }

  html[data-ui-shell="mobile"] .language-switcher {
    display: none;
  }

  html[data-ui-shell="mobile"] .account-button,
  html[data-ui-shell="mobile"] .account-button.signed-in {
    max-width: 70px;
    padding-inline: 7px;
    font-size: 10px;
  }

  html[data-ui-shell="mobile"] .desktop-intro {
    right: 12px;
    left: 12px;
    padding: 12px 14px;
  }

  html[data-ui-shell="mobile"] .desktop-icons {
    top: calc(var(--mobile-header-height) + 10px);
    right: 8px;
    left: 8px;
    grid-auto-rows: 84px;
    gap-inline: 1px;
  }

  html[data-ui-shell="mobile"] .desktop-icon {
    width: min(74px, 100%);
    height: 84px;
    min-height: 84px;
  }

  html[data-ui-shell="mobile"] .desktop-icon .pixel-icon {
    width: 52px;
    height: 52px;
    flex-basis: 52px;
  }

  html[data-ui-shell="mobile"] .xp-taskbar {
    right: 8px;
    left: 8px;
    padding-inline: 5px;
  }

  html[data-ui-shell="mobile"] .taskbar-icon,
  html[data-ui-shell="mobile"] .chat-mini-icon {
    width: 31px;
    height: 31px;
    flex-basis: 31px;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
    padding: 6px 8px;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel small {
    display: none;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel input,
  html[data-ui-shell="mobile"] .chat-private-room-panel .xp-button {
    grid-column: auto;
    min-width: 0;
    min-height: 44px;
  }
}

@media (orientation: portrait) and (max-height: 540px) {
  html[data-ui-shell="mobile"] {
    --mobile-status-height: 0px;
  }

  html[data-ui-shell="mobile"] .mobile-statusbar {
    display: none;
  }
}

@media (max-width: 760px) and (max-height: 720px) and (orientation: portrait) {
  html[data-ui-shell="mobile"] .window-titlebar,
  html[data-ui-shell="mobile"] body.is-article-reading #knowledge.page .window-titlebar {
    min-height: 42px;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail {
    gap: 6px;
    padding: 8px 8px calc(var(--mobile-dock-space) + 54px);
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail-card {
    padding: 12px 12px 18px;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail-head {
    margin-bottom: 6px;
    padding-bottom: 6px;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading #article-detail-meta {
    gap: 4px;
    min-height: 32px;
    padding-bottom: 0;
    font-size: 11.5px;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail-head h2 {
    margin: 4px 0;
    font-size: 20px;
    line-height: 1.15;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail-head > p {
    line-height: 1.35;
    -webkit-line-clamp: 1;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail-actions {
    margin-top: 4px;
  }

  html[data-ui-shell="mobile"] .chatroom-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4px 8px;
    min-height: 52px;
    padding: 4px 8px;
  }

  html[data-ui-shell="mobile"] .chatroom-avatar,
  html[data-ui-shell="mobile"] .chatroom-nickname-row > span:first-child,
  html[data-ui-shell="mobile"] #chat-sync-status,
  html[data-ui-shell="mobile"] .chatroom-status .online-dot {
    display: none;
  }

  html[data-ui-shell="mobile"] .chatroom-nickname-row,
  html[data-ui-shell="mobile"] .chatroom-status {
    grid-column: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 4px;
    min-width: 0;
    font-size: 12px;
  }

  html[data-ui-shell="mobile"] .chatroom-nickname-row strong,
  html[data-ui-shell="mobile"] #chat-room-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  html[data-ui-shell="mobile"] .chat-nickname-button,
  html[data-ui-shell="mobile"] .chat-room-toggle {
    flex: 0 0 auto;
    min-width: 68px;
    min-height: 44px;
    padding: 3px 6px;
    font-size: 12px;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
    padding: 4px 8px;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel small {
    display: none;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel input,
  html[data-ui-shell="mobile"] .chat-private-room-panel .xp-button {
    grid-column: auto;
    min-width: 0;
    min-height: 44px;
  }

  html[data-ui-shell="mobile"] .chatroom-compose {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 4px 8px;
    padding: 4px 8px;
  }

  html[data-ui-shell="mobile"] .chatroom-compose textarea {
    grid-row: 1;
    grid-column: 1;
    min-height: 44px;
    height: 44px;
    max-height: 44px;
  }

  html[data-ui-shell="mobile"] .chatroom-counter {
    position: static;
    grid-row: 1;
    grid-column: 2;
    font-size: 11px;
    pointer-events: none;
  }

  html[data-ui-shell="mobile"] .chat-send-button {
    grid-row: 1;
    grid-column: 3;
    min-width: 92px;
  }

  html[data-ui-shell="mobile"] .chatroom-footer {
    display: flex;
    gap: 6px;
    min-height: 44px;
    padding: 2px 8px;
    font-size: 12px;
  }

  html[data-ui-shell="mobile"] #chat-feedback {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  html[data-ui-shell="mobile"] .chatroom-autoscroll {
    flex: 0 0 auto;
    min-height: 44px;
  }
}

@media (orientation: landscape) and (max-height: 520px) {
  html[data-ui-shell="mobile"] {
    --mobile-status-height: 0px;
    --mobile-toolbar-height: 44px;
    --mobile-dock-height: 56px;
    --mobile-dock-space: calc(var(--mobile-dock-height) + var(--mobile-safe-bottom) + 6px);
  }

  html[data-ui-shell="mobile"] .mobile-statusbar {
    display: none;
  }

  html[data-ui-shell="mobile"] body:not([data-route="home"]) {
    --mobile-toolbar-height: 44px;
  }

  html[data-ui-shell="mobile"] .mobile-status-island {
    height: 22px;
  }

  html[data-ui-shell="mobile"] .brand-button,
  html[data-ui-shell="mobile"] .mobile-home-button {
    min-height: 44px;
    height: 44px;
  }

  html[data-ui-shell="mobile"] .brand-orb,
  html[data-ui-shell="mobile"] .mobile-home-button img {
    width: 28px;
    height: 28px;
  }

  html[data-ui-shell="mobile"] .topbar-actions {
    transform: none;
  }

  html[data-ui-shell="mobile"] .desktop-intro {
    top: calc(var(--mobile-header-height) + 8px);
    right: auto;
    left: max(14px, var(--mobile-safe-left));
    width: min(31vw, 245px);
    padding: 10px 12px;
  }

  html[data-ui-shell="mobile"] .desktop-intro h1 {
    font-size: 20px;
  }

  html[data-ui-shell="mobile"] .hero-lead {
    display: none;
  }

  html[data-ui-shell="mobile"] .desktop-icons {
    top: calc(var(--mobile-header-height) + 8px);
    right: max(12px, var(--mobile-safe-right));
    bottom: var(--mobile-dock-space);
    left: max(12px, var(--mobile-safe-left));
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: 70px;
    justify-items: center;
    gap: 2px;
  }

  html[data-ui-shell="mobile"] .desktop-icon {
    width: min(70px, 100%);
    height: 70px;
    min-height: 70px;
    padding: 1px;
  }

  html[data-ui-shell="mobile"] .desktop-icon .pixel-icon {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }

  html[data-ui-shell="mobile"] .icon-title {
    min-height: 20px;
    font-size: 9px;
  }

  html[data-ui-shell="mobile"] .xp-taskbar {
    right: max(16vw, var(--mobile-safe-right));
    bottom: calc(3px + var(--mobile-safe-bottom));
    left: max(16vw, var(--mobile-safe-left));
    height: var(--mobile-dock-height);
    min-height: var(--mobile-dock-height);
    padding: 0;
    border-radius: 18px;
  }

  html[data-ui-shell="mobile"] .mobile-dock-scroll {
    padding: 3px 7px 7px;
  }

  html[data-ui-shell="mobile"] .mobile-dock-selection {
    top: 3px;
    height: 44px;
  }

  html[data-ui-shell="mobile"] .start-button,
  html[data-ui-shell="mobile"] .taskbar-tabs button {
    height: 44px;
    min-height: 44px;
    font-size: 10px;
  }

  html[data-ui-shell="mobile"] .start-button::before,
  html[data-ui-shell="mobile"] .taskbar-icon,
  html[data-ui-shell="mobile"] .chat-mini-icon {
    width: 26px;
    height: 26px;
    flex-basis: 26px;
  }

  html[data-ui-shell="mobile"] .page:not(.page-home) > .xp-window {
    border-radius: 20px 20px 0 0;
  }

  html[data-ui-shell="mobile"] body:not([data-route="home"]) .page.active > .xp-window > .window-titlebar {
    display: none;
  }

  html[data-ui-shell="mobile"] body.is-article-reading #knowledge.page .window-titlebar {
    min-height: 44px;
  }

  html[data-ui-shell="mobile"] .knowledge-searchbar {
    flex-basis: 52px;
    height: 52px;
    min-height: 52px;
    padding: 4px 8px;
  }

  html[data-ui-shell="mobile"] .knowledge-searchbar.has-search-status {
    flex-basis: 70px;
    height: 70px;
    min-height: 70px;
    padding-block: 4px 5px;
  }

  html[data-ui-shell="mobile"] .knowledge-searchbar label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  html[data-ui-shell="mobile"] #knowledge-search-status:empty {
    display: none;
  }

  html[data-ui-shell="mobile"] body:not(.is-article-reading) #knowledge .folder-layout {
    grid-template-columns: 176px minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
  }

  html[data-ui-shell="mobile"] body:not(.is-article-reading) #knowledge .category-panel {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 4px;
    overflow-x: hidden;
    overflow-y: auto;
    border-right: 1px solid #ced9e9;
    border-bottom: 0;
  }

  html[data-ui-shell="mobile"] body:not(.is-article-reading) #knowledge .category-button {
    width: 100%;
    max-width: none;
    min-height: 44px;
    margin: 0;
  }

  html[data-ui-shell="mobile"] #knowledge .content-list,
  html[data-ui-shell="mobile"] #videos .card-grid,
  html[data-ui-shell="mobile"] #resources .download-list,
  html[data-ui-shell="mobile"] #games .game-list,
  html[data-ui-shell="mobile"] #blog .notepad-paper {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    gap: 8px;
    padding: 8px;
  }

  html[data-ui-shell="mobile"] #knowledge .article-card,
  html[data-ui-shell="mobile"] #resources .resource-card,
  html[data-ui-shell="mobile"] #games .game-card,
  html[data-ui-shell="mobile"] #blog .blog-card {
    margin: 0;
  }

  html[data-ui-shell="mobile"] #videos .video-card {
    display: grid;
    grid-template-columns: clamp(116px, 17vw, 146px) minmax(0, 1fr);
    grid-template-rows: 164px;
    width: 100%;
    height: 164px;
    min-height: 164px;
  }

  html[data-ui-shell="mobile"] #videos .video-thumb {
    width: 100%;
    height: 100%;
    max-height: none;
    aspect-ratio: auto;
    border-right: 1px solid rgba(119, 147, 192, 0.52);
    border-bottom: 0;
    border-radius: 14px 0 0 14px;
  }

  html[data-ui-shell="mobile"] #videos .video-body {
    min-height: 0;
    padding: 8px;
    overflow: hidden;
  }

  html[data-ui-shell="mobile"] #videos .video-body > p {
    -webkit-line-clamp: 1;
  }

  html[data-ui-shell="mobile"] #videos .video-empty-state,
  html[data-ui-shell="mobile"] #resources .resource-empty-state,
  html[data-ui-shell="mobile"] #games .game-empty-state,
  html[data-ui-shell="mobile"] #blog .blog-empty-state,
  html[data-ui-shell="mobile"] #blog .list-message,
  html[data-ui-shell="mobile"] #knowledge .list-message {
    grid-column: 1 / -1;
  }

  html[data-ui-shell="mobile"] #resources .resource-card {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    min-height: 112px;
  }

  html[data-ui-shell="mobile"] #resources .resource-card p,
  html[data-ui-shell="mobile"] #blog .blog-card p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  html[data-ui-shell="mobile"] #resources .resource-card .card-action {
    grid-column: 2;
    justify-self: end;
    width: auto;
    min-width: 92px;
    min-height: 44px;
  }

  html[data-ui-shell="mobile"] #games .game-card {
    grid-template-columns: 52px minmax(0, 1fr) 88px;
    grid-template-rows: minmax(0, 1fr);
    align-items: center;
    min-height: 154px;
    padding: 8px;
    overflow: hidden;
  }

  html[data-ui-shell="mobile"] #games .game-card .card-action {
    grid-column: 3;
    grid-row: 1;
    width: 88px;
    min-width: 88px;
    min-height: 44px;
  }

  html[data-ui-shell="mobile"] #blog .blog-card {
    min-height: 132px;
    padding: 9px;
  }

  html[data-ui-shell="mobile"] #about .profile-card {
    grid-template-columns: 148px minmax(0, 1fr);
    grid-auto-rows: auto;
    align-content: safe center;
    align-items: start;
    gap: 12px;
    box-sizing: border-box;
    height: 100%;
    padding: 8px;
  }

  html[data-ui-shell="mobile"] #about .profile-avatar {
    height: 172px;
    min-height: 0;
  }

  html[data-ui-shell="mobile"] #about .profile-avatar-image {
    width: 132px;
  }

  html[data-ui-shell="mobile"] #about .profile-info dl {
    margin-bottom: 8px;
  }

  html[data-ui-shell="mobile"] #about .about-copy {
    padding: 8px;
    line-height: 1.45;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail {
    display: grid;
    grid-template-columns: 172px minmax(0, 1fr);
    grid-template-rows: 44px minmax(0, 1fr);
    align-items: start;
    gap: 8px 10px;
    padding: 8px 8px calc(var(--mobile-dock-space) + 44px);
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-back-button {
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    min-height: 44px;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-reader-sidebar {
    grid-column: 1;
    grid-row: 2;
    min-height: 0;
    max-height: 212px;
    overflow: auto;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading #article-detail-toc-list {
    display: grid;
    gap: 4px;
    max-height: none;
    padding: 4px;
    overflow-x: hidden;
    overflow-y: auto;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-toc-link {
    width: 100%;
    max-width: none;
    min-height: 44px;
    white-space: normal;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail-card {
    grid-column: 2;
    grid-row: 1 / 3;
    padding: 12px 14px 18px;
    border-radius: 14px;
  }

  html[data-ui-shell="mobile"] .folder-layout.is-reading .article-detail-head > p {
    -webkit-line-clamp: 1;
  }

  html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress {
    grid-template-columns: minmax(0, 1fr) 38px;
    right: 8px;
    bottom: auto;
    left: auto;
    min-height: 32px;
    padding: 3px 6px;
    border-radius: 10px;
  }

  html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress-label span {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress-label strong {
    grid-column: 2;
    font-size: 12px;
  }

  html[data-ui-shell="mobile"] body.is-article-reading .article-read-progress-track {
    grid-column: 1;
    grid-row: 1;
    height: 6px;
  }

  html[data-ui-shell="mobile"] body.is-article-reading .article-top-link {
    right: 104px;
    bottom: auto;
    min-width: 44px;
    min-height: 44px;
  }

  html[data-ui-shell="mobile"] .chatroom-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4px 8px;
    min-height: 52px;
    padding: 4px 8px;
  }

  html[data-ui-shell="mobile"] .chatroom-avatar,
  html[data-ui-shell="mobile"] .chatroom-nickname-row > span:first-child,
  html[data-ui-shell="mobile"] #chat-sync-status,
  html[data-ui-shell="mobile"] .chatroom-status .online-dot {
    display: none;
  }

  html[data-ui-shell="mobile"] .chatroom-nickname-row,
  html[data-ui-shell="mobile"] .chatroom-status {
    grid-column: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 4px;
    min-width: 0;
    font-size: 12px;
  }

  html[data-ui-shell="mobile"] .chatroom-nickname-row strong,
  html[data-ui-shell="mobile"] #chat-room-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  html[data-ui-shell="mobile"] .chat-nickname-button,
  html[data-ui-shell="mobile"] .chat-room-toggle {
    flex: 0 0 auto;
    min-width: 72px;
    min-height: 44px;
    padding: 3px 7px;
    font-size: 12px;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel {
    grid-template-columns: minmax(120px, 1fr) auto auto;
    gap: 8px;
    padding: 4px 8px;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel label,
  html[data-ui-shell="mobile"] .chat-private-room-panel small {
    grid-column: auto;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel small {
    display: none;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel input,
  html[data-ui-shell="mobile"] .chat-private-room-panel .xp-button {
    min-height: 44px;
  }

  html[data-ui-shell="mobile"] .chatroom-compose {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 4px 8px;
    padding: 4px 8px;
  }

  html[data-ui-shell="mobile"] .chatroom-compose textarea {
    grid-row: 1;
    grid-column: 1;
    min-height: 44px;
    height: 44px;
    max-height: 44px;
  }

  html[data-ui-shell="mobile"] .chatroom-counter {
    position: static;
    grid-row: 1;
    grid-column: 2;
    font-size: 11px;
    pointer-events: none;
  }

  html[data-ui-shell="mobile"] .chat-send-button {
    grid-row: 1;
    grid-column: 3;
    min-width: 96px;
  }

  html[data-ui-shell="mobile"] .chatroom-footer {
    display: flex;
    gap: 6px;
    min-height: 44px;
    padding: 2px 8px;
    font-size: 12px;
  }

  html[data-ui-shell="mobile"] #chat-feedback {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  html[data-ui-shell="mobile"] .chatroom-autoscroll {
    flex: 0 0 auto;
    min-height: 44px;
  }

  html[data-ui-shell="mobile"] .chatroom-window {
    grid-template-columns: minmax(220px, 0.56fr) minmax(0, 1.44fr);
    grid-template-rows: auto minmax(0, 1fr) 52px;
    gap: 0 8px;
  }

  html[data-ui-shell="mobile"] .chatroom-header {
    grid-row: 1 / 3;
    grid-column: 1;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto;
    align-content: start;
    min-height: 0;
  }

  html[data-ui-shell="mobile"] .chatroom-nickname-row,
  html[data-ui-shell="mobile"] .chatroom-status {
    grid-column: 1;
    justify-content: space-between;
  }

  html[data-ui-shell="mobile"] .chat-private-room-panel {
    grid-row: 1;
    grid-column: 2;
  }

  html[data-ui-shell="mobile"] .chatroom-log {
    grid-row: 2;
    grid-column: 2;
    margin: 4px;
  }

  html[data-ui-shell="mobile"] .chatroom-compose {
    grid-row: 3;
    grid-column: 2;
  }

  html[data-ui-shell="mobile"] .chatroom-footer {
    grid-row: 3;
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html[data-ui-shell="mobile"] .site-shell::before {
    transform: none;
  }

  html[data-ui-shell="mobile"] .desktop-icon,
  html[data-ui-shell="mobile"] .page,
  html[data-ui-shell="mobile"] .modal {
    animation: none !important;
    transition: none !important;
  }
}