:root {
  color-scheme: light;
  --bg: #f4f7f5;
  --panel: #fff;
  --line: #e2e9e5;
  --text: #1d332e;
  --muted: #6d8079;
  --blue: #147d6f;
  --blue-strong: #096556;
  /* Explicit faces avoid missing CJK glyphs in some iOS system-ui fallbacks. */
  font-family: "PingFang SC", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: border-box;
}
.ui-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
}
body {
  overscroll-behavior-y: none;
}
button,
input,
textarea {
  font: inherit;
}
button {
  border: 0;
  color: inherit;
  cursor: pointer;
  transition:
    background 0.16s,
    transform 0.16s;
}
button,
input,
textarea,
a {
  -webkit-tap-highlight-color: transparent;
}
button:disabled {
  cursor: default;
  opacity: 0.45;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #4db6a3;
  outline-offset: 3px;
}
button:active:not(:disabled) {
  transform: translateY(1px);
}
a {
  color: var(--blue);
}
.shell {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: max(40px, env(safe-area-inset-top)) 40px max(40px, env(safe-area-inset-bottom));
}
.connect-panel {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 90px;
  width: min(1050px, 100%);
  align-items: center;
}
.welcome,
.pairing-column {
  min-width: 0;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
  font-size: 25px;
  font-weight: 750;
  letter-spacing: -0.9px;
}
.brand-symbol {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}
.edition {
  font-size: 8px;
  letter-spacing: 1.3px;
  color: var(--muted);
  border-left: 1px solid #cad7d0;
  padding-left: 14px;
  margin-left: 5px;
}
.welcome-copy {
  margin-top: 76px;
}
.eyebrow {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 2px;
  color: var(--blue);
  margin: 0 0 16px;
}
h1 {
  font-size: clamp(38px, 4.5vw, 60px);
  font-weight: 650;
  letter-spacing: -2px;
  line-height: 1.25;
  margin: 0;
}
h1 em {
  font-style: normal;
  color: var(--blue);
}
.intro {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  margin: 22px 0 34px;
}
.feature-list {
  display: grid;
  gap: 20px;
}
.feature-list > div {
  display: flex;
  align-items: center;
  gap: 17px;
}
.feature-list > div > span {
  font:
    11px ui-monospace,
    monospace;
  color: #7e968b;
  border: 1px solid #dbe5df;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.feature-list p {
  margin: 0;
  display: grid;
  gap: 5px;
}
.feature-list strong {
  font-size: 13px;
  font-weight: 600;
}
.feature-list small {
  font-size: 12px;
  color: var(--muted);
}
.welcome-foot {
  margin: 50px 0 0;
  font-size: 12px;
  font-weight: 600;
}
.welcome-foot span {
  margin-left: 14px;
  color: var(--muted);
  font-weight: 400;
}
.pairing-card {
  background: #fff;
  border: 1px solid #e2ebe5;
  border-radius: 28px;
  padding: 30px;
  box-shadow: 0 24px 60px -35px #264f4040;
  min-width: 0;
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.connection-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: #e9f4ee;
  color: var(--blue);
  font-size: 29px;
}
.brand-row .eyebrow {
  margin: 0 0 8px;
  font-size: 10px;
}
.brand-row h2 {
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.6px;
  margin: 0;
}
.role-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-top: 26px;
  padding: 4px;
  border-radius: 12px;
  background: #f0f5f2;
}
.role-tabs button {
  min-height: 44px;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}
.role-tabs button.active {
  background: white;
  color: var(--blue);
  box-shadow: 0 2px 5px #273d5710;
}
.connect-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}
label {
  display: grid;
  gap: 9px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}
input,
textarea {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbf9;
  color: var(--text);
  padding: 12px 14px;
  outline: none;
  font-size: 16px;
}
input:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px #147d6f12;
}
input::placeholder,
textarea::placeholder {
  color: #84978e;
}
#pin {
  margin-top: -5px;
  text-align: center;
  font:
    500 32px ui-monospace,
    SFMono-Regular,
    monospace;
  letter-spacing: 9px;
  height: 72px;
  padding-left: 23px;
}
#pin::placeholder {
  color: #afc0b6;
}
#connectButton,
#shareButton,
.primary-button {
  min-height: 50px;
  border-radius: 13px;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  font-weight: 650;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 18px;
}
#connectButton:hover,
#shareButton:hover,
.primary-button:hover {
  background: var(--blue-strong);
}
#connectButton span {
  font-size: 22px;
}
.advanced-settings {
  font-size: 12px;
  color: var(--muted);
}
.advanced-settings summary {
  cursor: pointer;
  padding: 10px 0;
}
.advanced-settings input {
  margin-top: 8px;
  font-size: 16px;
}
.status-line {
  min-height: 20px;
  margin: 12px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.setup-note {
  display: flex;
  gap: 9px;
  border-top: 1px solid var(--line);
  padding-top: 15px;
  color: var(--muted);
}
.setup-note p {
  font-size: 11px;
  line-height: 1.8;
  margin: 0;
}
.form-hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.host-pin {
  margin-top: 20px;
  display: grid;
  gap: 8px;
  padding: 18px;
  background: #eaf5ef;
  border-radius: 12px;
}
.host-pin span {
  font-size: 12px;
  color: var(--muted);
}
.host-pin strong {
  font:
    600 34px ui-monospace,
    monospace;
  letter-spacing: 6px;
  color: var(--blue);
}
.install-card {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 12px;
  padding: 17px 20px;
  margin-top: 16px;
  text-align: left;
  background: #e6eee9;
  border: 1px solid #dce7e0;
  border-radius: 18px;
}
.install-symbol {
  display: grid;
  place-items: center;
  background: #f7fbf8;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  font-size: 23px;
  color: var(--blue);
}
.install-card > span:nth-child(2) {
  flex: 1;
  display: grid;
  gap: 6px;
}
.install-card strong {
  font-size: 12px;
  font-weight: 600;
}
.install-card small {
  font-size: 11px;
  color: var(--muted);
}
.download-note,
.installed-note {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
  margin: 18px 0 0;
}
.download-note a {
  text-decoration: none;
  margin-left: 5px;
}
.desktop-panel {
  position: fixed;
  top: var(--viewport-top, 0px);
  left: var(--viewport-left, 0px);
  width: var(--viewport-width, 100%);
  height: var(--viewport-height, 100dvh);
  overflow: hidden;
  background: #101d25;
  touch-action: none;
  user-select: none;
  color: #e5efee;
  --text: #e5efee;
  --muted: #92aaa9;
  --line: #ffffff14;
  --panel: #1c2b34f5;
  --blue: #48c9ad;
  --blue-strong: #68d7bf;
  outline: none;
}
body.in-session {
  overflow: hidden;
}
video {
  position: absolute;
  inset: calc(84px + env(safe-area-inset-top)) 0 calc(95px + env(safe-area-inset-bottom));
  display: block;
  width: 100%;
  height: calc(100% - 179px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  object-fit: contain;
  background: #101d25;
}
.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  pointer-events: none;
  white-space: pre-line;
  text-align: center;
  padding: 80px 20px;
  font-size: 13px;
}
.topbar,
.controlbar,
.keyboard-tray,
.switcher {
  position: absolute;
  border: 1px solid var(--line);
  background: var(--panel);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 35px #0002;
}
.topbar {
  top: calc(10px + env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  right: max(12px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px;
  border-radius: 18px;
}
.session-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #82908e;
  margin-left: 8px;
  flex-shrink: 0;
}
.desktop-panel[data-connected="true"] .session-dot {
  background: #57d5b8;
  box-shadow: 0 0 0 4px #57d5b810;
}
.session-meta {
  min-width: 0;
  flex: 1;
  display: grid;
  gap: 5px;
  padding-left: 4px;
}
.session-meta strong,
.session-meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.session-meta strong {
  font-size: 12px;
  font-weight: 600;
}
.session-meta span {
  font-size: 10px;
  color: var(--muted);
}
.icon-button,
.text-button,
.modifier-row button,
.shortcut-row button {
  min-width: 44px;
  min-height: 44px;
  padding: 0 13px;
  border-radius: 11px;
  background: #ffffff07;
  font-size: 12px;
  font-weight: 550;
  white-space: nowrap;
}
.icon-button:hover,
.text-button:hover {
  background: #ffffff14;
}
.icon-button.active,
.modifier-row button.active {
  background: #48c9ad22;
  color: #76e0c5;
}
.danger {
  background: #e16a7214;
  color: #eca2a7;
}
.controlbar {
  bottom: calc(12px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 3px;
  padding: 5px;
  border-radius: 20px;
}
.controlbar button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  min-height: 48px;
  background: transparent;
}
.controlbar button span {
  font-size: 20px;
  font-weight: 400;
}
.controlbar button.active {
  background: #48c9ad22;
}
.gesture-hint {
  position: absolute;
  bottom: calc(78px + env(safe-area-inset-bottom));
  left: 0;
  right: 0;
  color: #819696;
  text-align: center;
  font-size: 10px;
  pointer-events: none;
}
.keyboard-tray {
  bottom: calc(83px + env(safe-area-inset-bottom));
  left: max(12px, env(safe-area-inset-left));
  right: max(12px, env(safe-area-inset-right));
  max-width: 560px;
  max-height: calc(100% - 93px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  overflow: auto;
  margin: auto;
  padding: 14px;
  border-radius: 23px;
  display: grid;
  gap: 12px;
  z-index: 5;
}
.tray-heading,
.tray-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.tray-heading > div {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.tray-heading strong {
  font-size: 14px;
}
.tray-heading span,
.tray-foot > span {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.6;
}
.tray-heading button,
.tray-foot button {
  min-height: 36px;
  padding: 0 8px;
  font-size: 11px;
  background: transparent;
  color: #b4c9c6;
}
.key-scroll {
  display: grid;
  gap: 8px;
}
.modifier-row,
.shortcut-row {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}
.modifier-row button {
  flex: 1;
}
.shortcut-row button {
  flex-shrink: 0;
  min-width: 44px;
  padding: 0 12px;
}
.modifier-row button,
.shortcut-row button {
  border: 1px solid #ffffff09;
  background: #293b44;
  box-shadow: 0 2px 0 #101c2455;
  color: #cbdad7;
}
.text-entry {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.text-entry textarea {
  background: #12232b;
  color: #e8f4f0;
  border-color: #ffffff14;
  resize: none;
  min-height: 50px;
  max-height: 96px;
  line-height: 1.5;
}
.text-entry button {
  background: #4cc9ac;
  color: #0b3027;
  flex-shrink: 0;
}
.switcher {
  top: calc(80px + env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  width: min(680px, calc(100% - 24px));
  max-height: calc(100% - 166px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  border-radius: 20px;
  overflow: auto;
  z-index: 6;
  touch-action: pan-y;
}
.switcher-head {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--line);
}
.switcher-head > div {
  flex: 1;
  display: grid;
  gap: 6px;
}
.switcher-head strong {
  font-size: 14px;
}
.switcher-head span {
  font-size: 11px;
  color: var(--muted);
}
.switcher-body {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
}
.app-list,
.window-list {
  overflow: auto;
  max-height: 42dvh;
  padding: 6px;
  min-width: 0;
}
.app-list {
  border-right: 1px solid var(--line);
}
.list-button {
  width: 100%;
  min-height: 60px;
  display: grid;
  align-content: center;
  gap: 5px;
  text-align: left;
  padding: 12px;
  border-radius: 12px;
  background: transparent;
}
.list-button strong,
.list-button span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.list-button strong {
  font-size: 12px;
  font-weight: 550;
}
.list-button span {
  font-size: 10px;
  color: var(--muted);
}
.list-button.active,
.list-button:hover {
  background: #48c9ad18;
}
.display-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px;
}
.display-list:empty {
  display: none;
}
.display-list .list-button {
  width: auto;
  min-width: 120px;
  border: 1px solid var(--line);
}
.stats-overlay {
  position: absolute;
  top: calc(80px + env(safe-area-inset-top));
  right: 12px;
  max-width: calc(100% - 24px);
  z-index: 4;
  padding: 10px 12px;
  border: 1px solid #ffffff15;
  border-radius: 10px;
  background: #14242deb;
  color: #b9d7d2;
  font:
    10px/1.6 ui-monospace,
    monospace;
  pointer-events: none;
}
.sheet-dialog {
  width: min(420px, calc(100% - 32px));
  max-height: calc(100dvh - 40px);
  padding: 24px;
  border: 1px solid #e0e9e3;
  border-radius: 26px;
  background: #fcfefc;
  color: #1d332e;
  box-shadow: 0 24px 80px #071d3433;
  overscroll-behavior: contain;
}
.sheet-dialog::backdrop {
  background: #081b2766;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.dialog-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dialog-heading .eyebrow {
  margin: 0;
}
.dialog-heading button {
  min-width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #7d958810;
  font-size: 25px;
}
.dialog-icon {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  margin-top: 12px;
}
.sheet-dialog h2 {
  font-size: 23px;
  letter-spacing: -0.5px;
  margin: 18px 0 10px;
}
.sheet-dialog p {
  font-size: 13px;
  color: #6d8079;
  line-height: 1.8;
}
.sheet-dialog ol {
  padding-left: 22px;
  margin: 20px 0 24px;
}
.sheet-dialog li {
  padding-left: 5px;
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.7;
}
.sheet-dialog li::marker {
  color: var(--blue);
  font-weight: 650;
}
.sheet-dialog > .primary-button {
  width: 100%;
}
.sheet-dialog .dialog-footnote {
  margin-bottom: 0;
  font-size: 10px;
  text-align: center;
}
.dark-dialog {
  color-scheme: dark;
  background: #1c2b34;
  color: #e5efee;
  border-color: #35474e;
  --blue: #48c9ad;
  --blue-strong: #68d7bf;
}
.dark-dialog p {
  color: #a3b8b3;
}
.dark-dialog textarea {
  color: #e5efee;
  background: #12232b;
  border-color: #35474e;
  resize: vertical;
  font-size: 16px;
}
.dark-dialog .primary-button {
  color: #0b3027;
}
.dialog-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}
.dialog-actions button {
  flex: 1;
  padding: 10px;
}
.toast,
.update-banner {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  border: 1px solid #ffffff18;
  background: #213a33;
  color: #f4fbf7;
  border-radius: 14px;
  font-size: 12px;
  line-height: 1.7;
  padding: 12px 18px;
  box-shadow: 0 8px 30px #0002;
}
.toast {
  top: calc(85px + env(safe-area-inset-top));
  width: max-content;
  max-width: calc(100% - 32px);
  pointer-events: none;
}
.update-banner {
  bottom: max(16px, env(safe-area-inset-bottom));
  display: flex;
  gap: 14px;
  align-items: center;
  width: max-content;
  max-width: calc(100% - 24px);
}
.update-banner button {
  border-radius: 8px;
  background: #4cc9ac;
  color: #0b3027;
  padding: 10px 14px;
  white-space: nowrap;
}
body.in-session .update-banner {
  display: none;
}
.hidden {
  display: none !important;
}
@media (max-width: 900px) {
  .connect-panel {
    grid-template-columns: 1fr 380px;
    gap: 40px;
  }
  .shell {
    padding: 28px;
  }
  .edition {
    display: none;
  }
  .pairing-card {
    padding: 25px;
  }
}
@media (max-width: 680px) {
  .shell {
    padding: max(26px, env(safe-area-inset-top)) 22px max(22px, env(safe-area-inset-bottom));
    align-items: start;
  }
  .connect-panel {
    grid-template-columns: 1fr;
    gap: 25px;
    max-width: 420px;
  }
  .wordmark {
    font-size: 23px;
  }
  .brand-symbol {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }
  .welcome-copy {
    margin-top: 30px;
  }
  .welcome-copy .eyebrow {
    display: none;
  }
  h1 {
    font-size: 34px;
    letter-spacing: -1.3px;
  }
  h1 br {
    display: none;
  }
  .intro {
    margin: 12px 0 0;
    font-size: 12px;
  }
  .intro br {
    display: none;
  }
  .feature-list,
  .welcome-foot {
    display: none;
  }
  .pairing-card {
    border-radius: 25px;
    padding: 23px;
  }
  .brand-row h2 {
    font-size: 19px;
  }
  .connect-form {
    margin-top: 25px;
    gap: 14px;
  }
  .topbar {
    gap: 5px;
    left: max(8px, env(safe-area-inset-left));
    right: max(8px, env(safe-area-inset-right));
  }
  .topbar .icon-button {
    padding: 0 10px;
  }
  .session-dot {
    margin-left: 5px;
  }
  .session-meta strong {
    max-width: 160px;
  }
  .switcher-body {
    grid-template-columns: 1fr;
  }
  .app-list {
    display: flex;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .app-list .list-button {
    min-width: 110px;
  }
  .keyboard-tray {
    left: 8px;
    right: 8px;
  }
  .controlbar button {
    padding: 0 14px;
  }
  .install-card {
    padding: 16px;
  }
}
@media (max-height: 520px) {
  .desktop-panel.keyboard-open .topbar,
  .desktop-panel.keyboard-open .gesture-hint {
    visibility: hidden;
  }
  .desktop-panel.keyboard-open .controlbar {
    display: none;
  }
  .keyboard-tray {
    bottom: max(8px, env(safe-area-inset-bottom));
    max-height: calc(100% - 16px);
    gap: 8px;
    padding: 10px 12px;
  }
  .keyboard-tray .tray-heading {
    display: none;
  }
  .keyboard-tray .key-scroll {
    display: flex;
    overflow-x: auto;
  }
  .modifier-row,
  .shortcut-row {
    overflow: visible;
  }
  .keyboard-tray .tray-foot {
    min-height: 32px;
  }
  .keyboard-tray:focus-within .tray-heading {
    display: flex;
  }
  video {
    inset-block: 72px 72px;
    height: calc(100% - 144px);
  }
  .gesture-hint {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
.desktop-panel.compact-keyboard.keyboard-open .topbar,
.desktop-panel.compact-keyboard.keyboard-open .gesture-hint {
  visibility: hidden;
}
.desktop-panel.compact-keyboard.keyboard-open .controlbar {
  display: none;
}
.desktop-panel.compact-keyboard .keyboard-tray {
  bottom: max(8px, env(safe-area-inset-bottom));
  max-height: calc(100% - 16px);
  gap: 8px;
  padding: 10px 12px;
}
.desktop-panel.compact-keyboard .key-scroll {
  display: flex;
  overflow-x: auto;
}
.desktop-panel.compact-keyboard .modifier-row,
.desktop-panel.compact-keyboard .shortcut-row {
  overflow: visible;
}
.desktop-panel.compact-keyboard .keyboard-tray .tray-heading {
  display: flex;
}