/* Tokens mirror the Android app (colors.xml and the btn_*, card_bg, edit_bg drawables). */
:root {
  --ink: #172033;
  --muted: #526176;
  --primary: #2563eb;
  --primary-fill: linear-gradient(90deg, #2558db, #168bbe);
  --primary-fill-press: linear-gradient(90deg, #1f4cc2, #1179a8);
  --canvas: #f5f7fc;
  --sky: linear-gradient(180deg, #c6e9f9 0%, #e3f4fc 50%, #f5f7fc 100%);
  --tint: #eef3ff;
  --tint-press: #e1e9fd;
  --soft-stroke: #b3c3dd;
  --border: #dfe6f2;
  --field: #f7f9fd;
  --success: #007d55;
  --success-bg: linear-gradient(90deg, #dff5ec, #eff9f6);
  --success-stroke: #bce5d5;
  --warning: #a34a00;
  --warning-bg: #fff4e5;
  --danger: #b42318;
  --danger-bg: #fff4f3;
  --danger-stroke: #e9b9b5;
  --danger-fill: #e35a52;
  --danger-fill-stroke: #c63731;
  --mint: #008b80;
  --mint-bg: #dff6f2;
  --screen: #0f1726;
  --radius-card: 18px;
  --radius-control: 14px;
  --radius-field: 12px;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--sky) top / 100% 420px no-repeat var(--canvas);
  color: var(--ink);
  font:
    15px/1.55 -apple-system,
    BlinkMacSystemFont,
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    system-ui,
    sans-serif;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}
h1,
h2,
p {
  margin: 0;
}
h1 {
  font-size: 24px;
  line-height: 1.3;
}
h2 {
  font-size: 17px;
  line-height: 1.35;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* Page frame */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
}
.brand-logo {
  width: 40px;
  height: 40px;
}
.brand-section {
  padding: 2px 10px;
  border-radius: 999px;
  background: #ffffffb3;
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
}
.account {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
}
.account-id {
  font-weight: 600;
}
main {
  flex: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 4px 20px 24px;
}
footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 8px 20px 24px;
}
.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px;
}
.lead,
.note {
  color: var(--muted);
}
.note {
  font-size: 13px;
  margin-top: 10px;
}
.page-status:empty {
  display: none;
}
.page-status {
  max-width: 440px;
  margin: 12px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
/* Mirrors the app's warning_card_bg with ic_warning_triangle in front. */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--danger-stroke);
  border-radius: 16px;
  background: var(--danger-bg);
  color: var(--danger);
  font-weight: 600;
  text-align: left;
}
.alert::before {
  content: "";
  flex: none;
  width: 22px;
  height: 22px;
  background: url(warning.svg) center / contain no-repeat;
}

/* Controls */
label {
  display: block;
  margin: 14px 0 6px;
  font-size: 13px;
  font-weight: 700;
}
input,
select {
  font: inherit;
  color: var(--ink);
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: var(--radius-field);
  padding: 12px 14px;
  min-width: 0;
  width: 100%;
}
input::placeholder {
  color: #8a96a8;
}
input:focus,
select:focus {
  outline: 0;
  background: white;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}
button:focus-visible,
summary:focus-visible {
  outline: 3px solid #2563eb55;
  outline-offset: 2px;
}
/* Buttons follow btn_primary / btn_soft: gradient for the main action, outlined tint for the rest. */
button {
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  background: var(--primary-fill);
  color: white;
  font: inherit;
  font-weight: 700;
  padding: 12px 18px;
  min-height: 46px;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 0.15s,
    transform 0.1s;
}
button:hover:not(:disabled) {
  background: var(--primary-fill-press);
}
button:active:not(:disabled) {
  transform: scale(0.98);
}
button:disabled,
input:disabled,
select:disabled {
  opacity: 0.45;
  cursor: default;
}
button.block {
  width: 100%;
  margin-top: 16px;
}
.secondary,
.key {
  background: var(--tint);
  border-color: var(--soft-stroke);
  color: var(--ink);
}
.secondary:hover:not(:disabled),
.key:hover:not(:disabled) {
  background: var(--tint-press);
}
.ghost {
  background: transparent;
  color: var(--primary);
  padding: 8px 10px;
  min-height: 36px;
}
.ghost:hover:not(:disabled) {
  background: var(--tint);
}
.danger {
  background: var(--danger-fill);
  border-color: var(--danger-fill-stroke);
}
.danger:hover:not(:disabled) {
  background: var(--danger-fill-stroke);
}
.ghost.danger {
  background: transparent;
  border-color: transparent;
  color: var(--danger);
}
.ghost.danger:hover:not(:disabled) {
  background: var(--danger-bg);
}
.danger-soft {
  background: var(--danger-bg);
  border-color: var(--danger-stroke);
  color: var(--danger);
}
.danger-soft:hover:not(:disabled) {
  background: #ffe9e5;
}
/* The native arrow hugs the border, so selects draw their own chevron (CSP blocks data: images). */
.select {
  position: relative;
  display: block;
}
.select select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 42px;
  text-overflow: ellipsis;
  cursor: pointer;
}
.select::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.select:has(select:disabled)::after {
  opacity: 0.45;
}
.row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.row > input,
.row > select {
  flex: 1;
}
details summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
}
details summary::-webkit-details-marker {
  display: none;
}
details summary::after {
  content: "+";
  color: var(--primary);
  font-weight: 700;
}
details[open] summary::after {
  content: "−";
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--mint-bg);
  color: var(--mint);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Sign in */
.auth {
  max-width: 440px;
  margin: 8vh auto 0;
  padding: 28px 24px;
}
.auth .lead {
  margin-top: 8px;
}

/* Workspace */
.workspace {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.side {
  display: grid;
  gap: 16px;
}
#registration h2 {
  margin-bottom: 12px;
}
.picker {
  position: relative;
}
.picker-button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  padding: 10px 44px 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-field);
  background: var(--field);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  text-align: left;
  box-shadow: none;
}
.picker-button[aria-expanded="true"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px #2563eb26;
}
.picker-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.picker-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 5;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: white;
  box-shadow: 0 12px 32px #17203326;
}
.device-list {
  display: grid;
  gap: 4px;
}
.picker-panel .device-row {
  border-color: transparent;
  background: transparent;
}
.picker-panel .device-row[aria-checked="true"] {
  border: 0;
  padding: 10px 14px;
  background: var(--tint);
}
.device-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 54px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--field);
  color: var(--ink);
  font: inherit;
  text-align: left;
  box-shadow: none;
}
.device-row[aria-checked="true"] {
  border: 2px solid var(--primary);
  padding: 9px 13px;
  background: var(--tint);
}
.device-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
  font-weight: 700;
}
.device-chip {
  flex-shrink: 0;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--canvas);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.device-chip[data-tone="online"] {
  border-color: var(--success-stroke);
  background: var(--success-bg);
  color: var(--success);
}
.device-chip[data-tone="warning"] {
  border-color: #f3d2a8;
  background: var(--warning-bg);
  color: var(--warning);
}
.device-chip[data-tone="busy"] {
  border-color: #c9d7f7;
  background: var(--tint);
  color: var(--primary);
}
.device-empty {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
#registration[data-selected="false"] #join,
#registration[data-selected="false"] .note:not(#syncStatus),
#registration[data-selected="false"] #removeDevice {
  display: none;
}
#registration #join {
  margin-top: 14px;
}
/* The rows above already show each phone's state. */
#registration .device-status {
  display: none;
}
.device-status:not(:empty) {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--canvas);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}
.device-status[data-tone="online"] {
  border-color: var(--success-stroke);
  background: var(--success-bg);
  color: var(--success);
}
#syncStatus:empty {
  display: none;
}
.device-number {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-control);
  background: var(--canvas);
  font-size: 14px;
}
.device-number > span:first-child {
  color: var(--muted);
}
#code {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  user-select: text;
}
#removeDevice {
  margin-top: 8px;
  padding-left: 0;
}
.confirm {
  margin-top: 10px;
  padding: 14px;
  border: 1px solid var(--danger-stroke);
  border-radius: var(--radius-control);
  background: var(--danger-bg);
  font-size: 14px;
}
.confirm .row {
  justify-content: flex-end;
  margin-top: 10px;
}
#claimForm .block {
  margin-top: 16px;
}
#claimStatus:not(:empty) {
  margin-top: 10px;
  font-size: 14px;
}
.tips h2 {
  font-size: 15px;
}
.tips ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
}
.tips li + li {
  margin-top: 4px;
}
.connect-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--tint);
  border: 1px solid #cddcfb;
  border-radius: var(--radius-control);
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}

/* Viewer */
.viewer {
  padding: 16px;
}
.viewer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.viewer-title {
  min-width: 0;
}
#status {
  margin-top: 2px;
  font-size: 13px;
  color: var(--muted);
  min-height: 20px;
}
.viewer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.viewer-actions button {
  min-height: 38px;
  padding: 8px 14px;
  font-size: 14px;
}
#sessionTime[data-ending="true"] {
  background: #ffe9e5;
  color: var(--danger);
}
#screenBox {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: min(76dvh, 860px);
  min-height: 360px;
  aspect-ratio: 9 / 19.5;
  max-width: 100%;
  margin: 14px auto 0;
  border-radius: 22px;
  background: var(--screen);
  overflow: hidden;
}
#screen,
#video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
#resetZoom {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
}
#cover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #0f1726ee;
  color: #e7ecf6;
  text-align: center;
  font-size: 15px;
}
#cover[data-loading="true"] {
  flex-direction: column;
  gap: 16px;
}
#cover[data-input-ready="true"] {
  pointer-events: none;
}
#idleWarning {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  width: min(360px, calc(100% - 32px));
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 16px;
  background: white;
  color: var(--ink);
  box-shadow: 0 12px 32px #0f172666;
  text-align: center;
  z-index: 2;
}
#idleMessage {
  color: var(--muted);
  font-size: 14px;
}
#stayConnected {
  margin-top: 6px;
}
.nav-keys,
.tools,
#result {
  max-width: 480px;
  margin-inline: auto;
}
.nav-keys {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.35fr);
  gap: 8px;
  margin-top: 12px;
}
.nav-keys .key {
  padding-inline: 6px;
}
.key-select select {
  height: 100%;
  min-height: 46px;
  padding: 0 32px 0 14px;
  border-color: var(--soft-stroke);
  border-radius: var(--radius-control);
  background: var(--tint);
  font-weight: 700;
}
.key-select select:hover:not(:disabled) {
  background: var(--tint-press);
}
.key-select::after {
  right: 14px;
  border-color: var(--ink);
}
#result:not(:empty) {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}
.tools {
  margin-top: 14px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}
.tools label {
  margin-top: 12px;
}
#redisplay {
  margin-top: 10px;
  padding-left: 0;
  font-size: 13px;
}
#viewer.expanded {
  position: fixed;
  inset: 0;
  z-index: 10;
  border: 0;
  border-radius: 0;
  overflow: auto;
  padding: 12px max(16px, env(safe-area-inset-left));
  background: var(--canvas);
}
#viewer.expanded #screenBox {
  height: calc(100dvh - 150px);
  min-height: 240px;
}
#viewer.expanded .tools,
#viewer.expanded #result {
  display: none;
}

/* Spinner */
.spinner,
#cover[data-loading="true"]::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border: 3px solid #bccbf5;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: remote-spin 0.8s linear infinite;
}
#cover[data-loading="true"]::before {
  width: 36px;
  height: 36px;
  border-color: #ffffff40;
  border-top-color: white;
}
@keyframes remote-spin {
  to {
    transform: rotate(360deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .spinner,
  #cover[data-loading="true"]::before {
    animation-duration: 2s;
  }
}

/* Narrow screens: one column, with the viewer right below the phone picker. */
@media (max-width: 860px) {
  .workspace {
    grid-template-columns: 1fr;
  }
  .side {
    display: contents;
  }
  #registration {
    order: 1;
  }
  .viewer {
    order: 2;
  }
  .side > .card:not(#registration) {
    order: 3;
  }
  #viewer:not([data-active="true"]) {
    display: none;
  }
  .workspace:has(#viewer[data-live="true"]) .side > .card {
    display: none;
  }
  #viewer[data-live="true"] #screenBox {
    width: auto;
    height: calc(100dvh - 200px);
    min-height: 300px;
  }
}
@media (max-width: 520px) {
  .topbar {
    padding: 12px 16px;
  }
  main {
    padding: 0 12px 16px;
  }
  .card {
    padding: 16px;
  }
  .auth {
    margin-top: 4vh;
  }
  .viewer {
    padding: 12px;
  }
  #screenBox {
    width: min(100%, calc(74dvh * 9 / 19.5));
    height: auto;
    min-height: 0;
  }
  .viewer-head {
    flex-wrap: wrap;
  }
  .nav-keys {
    gap: 6px;
  }
  .nav-keys .key,
  .key-select select {
    font-size: 14px;
  }
  .key-select select {
    padding: 0 26px 0 10px;
  }
  .key-select::after {
    right: 11px;
  }
  /* Live on a phone: the remote screen takes the whole page, no card or page margins. */
  #viewer[data-live="true"] {
    position: fixed;
    inset: 0;
    z-index: 10;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    border: 0;
    border-radius: 0;
    padding: max(6px, env(safe-area-inset-top)) 8px
      max(8px, env(safe-area-inset-bottom));
    background: var(--canvas);
  }
  #viewer[data-live="true"] .viewer-head {
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
  }
  #viewer[data-live="true"] #name {
    font-size: 15px;
    margin: 0;
  }
  #viewer[data-live="true"] #status {
    margin: 0;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #viewer[data-live="true"] #expand {
    min-height: 34px;
    padding: 6px 12px;
    font-size: 13px;
  }
  #viewer[data-live="true"] #screenBox {
    --live-height: calc(
      100dvh - 116px - env(safe-area-inset-top) - env(safe-area-inset-bottom)
    );
    flex: 0 0 auto;
    width: min(100%, calc(var(--live-height) * 9 / 19.5));
    height: var(--live-height);
    min-height: 0;
    margin-top: 6px;
    border-radius: 14px;
  }
  #viewer[data-live="true"] .nav-keys {
    margin-top: 6px;
  }
  /* 크게 보기 on a phone: no title row, slim keys, every other pixel goes to the phone screen. */
  #viewer[data-live="true"].expanded {
    padding: max(4px, env(safe-area-inset-top)) 4px
      max(4px, env(safe-area-inset-bottom));
  }
  #viewer[data-live="true"].expanded .viewer-title,
  #viewer[data-live="true"].expanded #sessionTime,
  #viewer[data-live="true"].expanded #end {
    display: none;
  }
  #viewer[data-live="true"].expanded .viewer-head {
    position: absolute;
    top: max(10px, calc(env(safe-area-inset-top) + 6px));
    right: 10px;
    z-index: 3;
  }
  #viewer[data-live="true"].expanded #expand {
    background: #0f1726b3;
    color: white;
    border-color: transparent;
  }
  #viewer[data-live="true"].expanded #screenBox {
    --live-height: calc(
      100dvh - 52px - env(safe-area-inset-top) - env(safe-area-inset-bottom)
    );
    margin-top: 0;
    border-radius: 10px;
  }
  #viewer[data-live="true"].expanded .nav-keys {
    margin-top: 4px;
    gap: 4px;
  }
  #viewer[data-live="true"].expanded .nav-keys .key,
  #viewer[data-live="true"].expanded .key-select select {
    min-height: 40px;
    padding-block: 0;
  }
}

/* Inside the Android app the native screen already shows brand and title. */
[data-embed="true"] body {
  background: var(--canvas);
}
[data-embed="true"] .topbar {
  justify-content: flex-end;
  padding: 6px 12px;
}
[data-embed="true"] .brand,
[data-embed="true"] footer {
  display: none;
}
[data-embed="true"] .topbar:not(:has(.account:not([hidden]))) {
  display: none;
}
[data-embed="true"] main {
  padding: 0 12px 16px;
}
[data-embed="true"] .auth {
  margin-top: 8px;
}