:root {
  color-scheme: light;
  --color-primary: #163b3d;
  --color-background: #dce7e1;
  --color-surface: #f5f6ef;
  --color-surface-raised: #fff;
  --color-screen: #10282b;
  --color-signal: #bada63;
  --color-action: #e46b4d;
  --color-text-primary: #183638;
  --color-text-muted: #647b78;
  --color-border: #c5d4cc;
  --color-focus: #b44b34;
  --color-error: #a53628;
  --radius-sm: 0.25rem;
  --radius-default: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --font-display: Bahnschrift, "Aptos Display", "Segoe UI", system-ui, sans-serif;
  --font-sans: Aptos, "Segoe UI", system-ui, sans-serif;
  --font-mono: Consolas, ui-monospace, monospace;
  --scroll-thumb: #819693;
  --scroll-track: #dce7e1;
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: var(--color-background);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scrollbar-color: var(--scroll-thumb) var(--scroll-track);
  scrollbar-width: thin;
  scrollbar-gutter: stable;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgb(22 59 61 / 2.5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(22 59 61 / 2.5%) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--scroll-track);
}

::-webkit-scrollbar-thumb {
  border: 2px solid var(--scroll-track);
  border-radius: 999px;
  background: var(--scroll-thumb);
}

::-webkit-scrollbar-thumb:hover {
  background: #536f6c;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.app-shell {
  width: min(100% - 48px, 1408px);
  margin-inline: auto;
  padding-block: 28px 24px;
}

.topbar {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(48px, 7vw, 94px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-default);
  background: var(--color-primary);
}

.brand-mark span {
  width: 3px;
  border-radius: 3px;
  background: var(--color-signal);
}

.brand-mark span:nth-child(1) {
  height: 11px;
}

.brand-mark span:nth-child(2) {
  height: 19px;
}

.brand-mark span:nth-child(3) {
  height: 14px;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 760;
  letter-spacing: -0.035em;
}

.brand-name span {
  color: var(--color-text-muted);
  font-weight: 500;
}

.service-state,
.link-state {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.025em;
}

.state-light,
.link-state-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #9aa9a4;
}

.service-state[data-state="online"] .state-light,
.link-state[data-state="connected"] .link-state-dot {
  background: #56823e;
}

.service-state[data-state="offline"] .state-light,
.link-state[data-state="error"] .link-state-dot {
  background: var(--color-error);
}

.service-state[data-state="checking"] .state-light,
.link-state[data-state="connecting"] .link-state-dot,
.link-state[data-state="waiting"] .link-state-dot {
  background: var(--color-action);
}

.intro {
  max-width: 980px;
  margin-bottom: 38px;
}

.eyebrow,
.utility-label,
.panel-index,
.code-prefix,
.code-count,
.screen-corner,
.footer-protocol {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 19px;
  color: #4e6b68;
}

.eyebrow-rule {
  width: 37px;
  height: 1px;
  background: var(--color-action);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 990px;
  margin-bottom: 17px;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 5.6vw, 5.2rem);
  font-weight: 710;
  letter-spacing: -0.067em;
  line-height: 0.99;
}

h1 span {
  color: #607975;
}

.intro-copy {
  max-width: 510px;
  margin-bottom: 0;
  color: #4e6b68;
  font-size: 16px;
  line-height: 1.55;
}

.workbench {
  display: grid;
  grid-template-columns: minmax(340px, 0.82fr) minmax(450px, 1.18fr);
  gap: 18px;
  align-items: stretch;
}

.panel {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.request-panel {
  padding: clamp(23px, 3.4vw, 42px);
}

.panel-heading,
.screen-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.panel-heading {
  margin-bottom: 33px;
}

.utility-label {
  margin-bottom: 8px;
  color: #66807b;
  font-size: 9px;
}

h2 {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.5vw, 2rem);
  font-weight: 690;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.panel-index {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: #56716e;
  letter-spacing: 0;
}

.field-group {
  margin-bottom: 21px;
}

.field-group label {
  display: block;
  margin-bottom: 9px;
  font-size: 13px;
  font-weight: 680;
}

.field-group label span {
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 450;
}

.code-entry {
  position: relative;
}

.code-prefix,
.code-count {
  position: absolute;
  top: 50%;
  z-index: 1;
  transform: translateY(-50%);
  color: #6b8581;
  pointer-events: none;
}

.code-prefix {
  left: 16px;
}

.code-count {
  right: 15px;
  font-size: 9px;
  letter-spacing: 0.04em;
}

.field-group input {
  display: block;
  width: 100%;
  min-height: 56px;
  border: 1px solid #b9cbc2;
  border-radius: var(--radius-default);
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field-group input::placeholder {
  color: #9caba5;
  opacity: 1;
}

.code-entry input {
  padding: 10px 85px 10px 49px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 650;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.token-field input {
  padding: 10px 15px;
  font-family: var(--font-mono);
  font-size: 14px;
}

.operator-identity {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  margin-bottom: 21px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 14px;
}

.operator-identity .utility-label {
  flex-basis: 100%;
  margin: 0;
}

.operator-identity strong {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--color-primary);
  font-size: 15px;
}

.field-group input:hover {
  border-color: #8fa8a0;
}

.field-group input:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(22 59 61 / 16%);
}

.field-group input[aria-invalid="true"] {
  border-color: var(--color-error);
  box-shadow: 0 0 0 2px rgb(165 54 40 / 11%);
}

.field-help,
.field-error {
  min-height: 19px;
  margin: 8px 0 0;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.field-error {
  color: var(--color-error);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 29px;
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-default);
  padding: 0 17px;
  font-size: 13px;
  font-weight: 680;
  line-height: 1;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.button-primary {
  min-width: 190px;
  background: var(--color-primary);
  color: #f7f8f1;
}

.button-primary:hover:not(:disabled) {
  background: #205052;
}

.button-primary:active:not(:disabled) {
  background: #102f31;
}

.button-connect {
  background: var(--color-primary);
  color: #f7f8f1;
}

.button-connect:hover:not(:disabled) {
  background: #205052;
}

.button-connect:active:not(:disabled) {
  background: #102f31;
}

.button-primary:disabled,
.button-connect:disabled,
.button-quiet:disabled,
.button-end:disabled,
.button-signout:disabled,
.button-retry:disabled,
.button-clipboard:disabled,
.button-shortcut:disabled {
  color: #72817d;
  background: #d6dfd9;
  border-color: #c4d0c9;
  cursor: not-allowed;
}

.button-end,
.button-signout,
.button-quiet,
.button-retry,
.button-clipboard,
.button-shortcut {
  border-color: #9cb0a7;
  background: transparent;
  color: var(--color-primary);
}

.button-end:hover:not(:disabled),
.button-signout:hover:not(:disabled),
.button-quiet:hover:not(:disabled),
.button-retry:hover:not(:disabled),
.button-clipboard:hover:not(:disabled),
.button-shortcut:hover:not(:disabled) {
  border-color: var(--color-action);
  background: #fae9e1;
}

.button-arrow {
  margin-left: 5px;
  color: var(--color-signal);
  font-size: 16px;
  font-weight: 400;
}

.button-spinner {
  display: none;
  width: 13px;
  height: 13px;
  border: 2px solid rgb(255 255 255 / 35%);
  border-top-color: #fff;
  border-radius: 50%;
}

.button-primary[aria-busy="true"] .button-spinner {
  display: block;
  animation: spinner-rotate 700ms linear infinite;
}

.button-primary[aria-busy="true"] .button-arrow {
  display: none;
}

.recent-devices {
  margin-top: 8px;
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
}

.recent-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.recent-heading h3 {
  margin: 0;
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 680;
}

.recent-status {
  min-height: 19px;
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.recent-status[data-tone="error"] {
  color: var(--color-error);
}

.recent-status[data-tone="success"] {
  color: #426d35;
}

.recent-list {
  display: grid;
  gap: 8px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.recent-device {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-default);
  background: var(--color-surface-raised);
  padding: 10px 12px;
}

.recent-main {
  display: grid;
  flex: 1 1 180px;
  gap: 4px;
  min-width: 0;
}

.recent-name {
  overflow-wrap: anywhere;
  color: var(--color-primary);
  font-size: 14px;
}

.recent-detail {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--color-text-muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.recent-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border: 1px solid #8fa8a0;
  border-radius: 50%;
}

.recent-device[data-online="true"] .recent-dot {
  border-color: var(--color-primary);
  background: var(--color-signal);
}

.recent-actions {
  display: flex;
  gap: 8px;
}

.recent-alias-form {
  flex: 1 1 100%;
  margin: 0;
}

.recent-alias-form input {
  padding: 10px 15px;
  font-size: 14px;
}

.recent-alias-form .recent-actions {
  margin-top: 6px;
}

.form-notice {
  min-height: 30px;
  margin-top: 13px;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.form-notice[data-tone="error"] {
  color: var(--color-error);
}

.form-notice[data-tone="success"] {
  color: #426d35;
}

.session-reference {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  margin-top: 8px;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

.session-reference .utility-label {
  grid-column: 1 / -1;
  margin: 0;
}

.session-reference code {
  overflow-wrap: anywhere;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 11px;
}

.reference-detail {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  text-align: right;
}

.signal-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
  border-top: 1px solid var(--color-border);
  padding: 21px 0 0;
  list-style: none;
}

.signal-steps::before {
  position: absolute;
  top: 26px;
  right: 14%;
  left: 14%;
  height: 1px;
  background: #b8c9c0;
  content: "";
}

.signal-steps li {
  position: relative;
  display: grid;
  grid-template-rows: 12px auto;
  justify-items: center;
  gap: 10px;
  min-width: 0;
  text-align: center;
}

.step-node {
  z-index: 1;
  width: 11px;
  height: 11px;
  border: 1px solid #91a69d;
  border-radius: 50%;
  background: var(--color-surface);
}

.signal-steps li[data-state="done"] .step-node {
  border-color: #4e783a;
  background: #74a153;
  box-shadow: 0 0 0 3px var(--color-surface);
}

.signal-steps li[data-state="current"] .step-node {
  border: 3px solid var(--color-action);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px var(--color-surface);
}

.step-copy {
  display: grid;
  gap: 4px;
}

.step-copy strong {
  font-size: 11px;
  font-weight: 690;
}

.step-copy small {
  color: var(--color-text-muted);
  font-size: 10px;
  line-height: 1.35;
}

.signal-steps li[data-state="current"] .step-copy strong {
  color: var(--color-primary);
}

.screen-panel {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: clamp(20px, 2.6vw, 31px);
}

.screen-heading {
  align-items: center;
  margin-bottom: 19px;
}

.screen-heading h2 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.link-state {
  min-height: 32px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0 10px;
  color: var(--color-text-muted);
  font-size: 9px;
  white-space: nowrap;
}

.link-state[data-state="connected"] .link-state-dot {
  box-shadow: 0 0 0 3px rgb(90 128 56 / 15%);
}

.screen-frame {
  position: relative;
  display: grid;
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 250px;
  overflow: hidden;
  place-items: center;
  border: 1px solid #355154;
  border-radius: var(--radius-default);
  background:
    linear-gradient(145deg, rgb(39 79 78 / 34%), transparent 55%),
    var(--color-screen);
  color: #d4e4d6;
  isolation: isolate;
}

.screen-frame::before,
.screen-frame::after {
  position: absolute;
  z-index: -1;
  content: "";
  pointer-events: none;
}

.screen-frame::before {
  inset: 0;
  background-image:
    linear-gradient(rgb(161 201 174 / 6%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(161 201 174 / 6%) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(transparent, #000 20%, #000 80%, transparent);
}

.screen-frame::after {
  top: 50%;
  left: 50%;
  width: 72%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px solid rgb(186 218 99 / 8%);
  border-radius: 50%;
}

.screen-feed {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #061618;
}

.screen-feed[hidden] {
  display: none;
}

.screen-frame[data-live="true"][data-input-ready="true"] .screen-feed:not([hidden]) {
  cursor: crosshair;
}

.screen-frame[data-live="true"][data-input-ready="false"] .screen-feed:not([hidden]) {
  cursor: wait;
}

.screen-frame[data-stale="true"] .screen-feed:not([hidden]) {
  filter: saturate(0.45) brightness(0.42);
  cursor: not-allowed;
}

.screen-empty {
  position: absolute;
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 45px 18px;
  text-align: center;
  pointer-events: none;
}

.screen-frame[data-live="true"] .screen-empty {
  display: none;
}

.screen-frame[data-stale="true"] .screen-empty {
  z-index: 3;
  max-width: calc(100% - 36px);
  border: 1px solid var(--color-action);
  border-radius: var(--radius-md);
  background: rgb(6 22 24 / 92%);
}

.reticle {
  position: relative;
  width: 72px;
  height: 72px;
  margin-bottom: 7px;
  border: 1px solid rgb(186 218 99 / 27%);
  border-radius: 50%;
}

.reticle::before,
.reticle::after {
  position: absolute;
  top: 50%;
  left: 50%;
  background: rgb(186 218 99 / 30%);
  content: "";
  transform: translate(-50%, -50%);
}

.reticle::before {
  width: 30px;
  height: 1px;
}

.reticle::after {
  width: 1px;
  height: 30px;
}

.reticle span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-signal);
}

.reticle span:nth-child(1) { top: 9px; left: 33px; }
.reticle span:nth-child(2) { top: 33px; right: 9px; }
.reticle span:nth-child(3) { bottom: 9px; left: 33px; }
.reticle span:nth-child(4) { top: 33px; left: 9px; }

.screen-frame[data-stale="true"] .reticle {
  border-color: rgb(228 107 77 / 45%);
}

.screen-frame[data-stale="true"] .reticle::before,
.screen-frame[data-stale="true"] .reticle::after,
.screen-frame[data-stale="true"] .reticle span {
  background: var(--color-action);
}

.screen-empty-label {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 640;
  letter-spacing: -0.025em;
}

.screen-empty-detail {
  max-width: 310px;
  color: #98b0a5;
  font-size: 12px;
  line-height: 1.5;
}

.screen-corner {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #9cb6a9;
  font-size: 8px;
  letter-spacing: 0.08em;
  pointer-events: none;
}

.screen-corner-top {
  top: 14px;
  left: 15px;
}

.screen-corner-top span {
  color: #607c73;
}

.screen-corner-bottom {
  right: 15px;
  bottom: 14px;
  left: 15px;
  min-height: 10px;
}

.frame-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #778e86;
}

.screen-frame[data-live="true"] .frame-dot {
  background: var(--color-signal);
}

.screen-frame[data-stale="true"] .frame-dot {
  background: var(--color-action);
}

.frame-resolution {
  margin-left: auto;
  color: #708980;
}

.screen-footer {
  display: flex;
  min-height: 51px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 15px;
}

.screen-footer-copy {
  flex: 1 1 250px;
  min-width: 0;
}

.screen-footer-copy p {
  max-width: 420px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: 1.5;
}

.screen-footer-copy .monitor-status {
  min-height: 0;
  margin-top: 4px;
}

.monitor-status[data-tone="error"] {
  color: var(--color-error);
}

.monitor-picker {
  display: flex;
  min-height: 40px;
  flex: 0 1 auto;
  align-items: center;
  gap: 9px;
  padding: 5px 9px 5px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-default);
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 650;
}

.monitor-picker[hidden] {
  display: none;
}

.monitor-picker select {
  max-width: min(260px, 44vw);
  min-height: 28px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.monitor-picker select:disabled {
  color: var(--color-text-muted);
  cursor: wait;
}

.button-retry {
  flex: 0 0 auto;
  min-height: 38px;
  padding-inline: 12px;
  font-size: 11px;
}

.remote-shortcut-tools {
  display: grid;
  min-width: 0;
  max-width: 100%;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
}

.remote-shortcut-tools .utility-label {
  margin: 0;
}

.remote-special-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 420px;
}

.remote-special-keys [hidden] {
  display: none;
}

.button-shortcut {
  min-height: 40px;
  justify-self: start;
  padding-inline: 12px;
  font-size: 11px;
  line-height: 1.25;
}

.remote-shortcut-help,
.remote-shortcut-status {
  max-width: 420px;
  min-height: 16px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 10px;
  line-height: 1.45;
}

.remote-shortcut-status[data-tone="error"] {
  color: var(--color-error);
}

.link-quality {
  margin-top: 17px;
  border-top: 1px solid var(--color-border);
  padding-top: 15px;
}

.link-quality-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.link-quality-heading .utility-label {
  margin-bottom: 3px;
}

.link-quality-heading h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.link-quality-state {
  min-height: 18px;
  color: var(--color-text-muted);
  font-size: 10px;
  line-height: 1.5;
  text-align: right;
}

.link-quality[data-state="active"] .link-quality-state {
  color: #426d35;
}

.link-quality[data-state="paused"] .link-quality-state,
.link-quality[data-state="unavailable"] .link-quality-state {
  color: #965038;
}

.link-quality-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 0;
}

.link-quality-grid dt {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.link-quality-grid dd {
  min-height: 20px;
  margin: 4px 0 0;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.link-quality-note {
  margin: 8px 0 0;
  color: var(--color-text-muted);
  font-size: 10px;
  line-height: 1.45;
}

.clipboard-tools {
  margin-top: 19px;
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
}

.clipboard-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.clipboard-heading .utility-label {
  margin-bottom: 6px;
}

.clipboard-heading h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 690;
  letter-spacing: -0.025em;
}

.clipboard-manual-label {
  flex: 0 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.025em;
}

.clipboard-help {
  max-width: 680px;
  margin: 9px 0 13px;
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: 1.55;
}

.clipboard-actions,
.clipboard-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.button-clipboard {
  min-height: 48px;
  padding-inline: 12px;
  font-size: 11px;
  line-height: 1.25;
}

.button-clipboard-secondary {
  min-height: 48px;
}

.clipboard-output-label {
  display: block;
  margin: 15px 0 7px;
  color: var(--color-text-primary);
  font-size: 11px;
  font-weight: 680;
}

.clipboard-tools textarea.resize-none {
  display: block;
  width: 100%;
  min-height: 76px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-default);
  padding: 10px 12px;
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.45;
  resize: none;
}

.clipboard-tools textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

.clipboard-result-actions {
  margin-top: 8px;
}

.clipboard-status {
  min-height: 17px;
  margin: 8px 0 0;
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: 1.5;
}

.clipboard-status[data-tone="error"] {
  color: var(--color-error);
}

.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 22px;
  border-top: 1px solid rgb(79 113 105 / 22%);
  padding-top: 16px;
  color: #55706b;
  font-size: 11px;
}

.footer-glyph {
  display: inline-grid;
  width: 18px;
  height: 18px;
  margin-right: 5px;
  place-items: center;
  border: 1px solid rgb(79 113 105 / 38%);
  border-radius: 50%;
  color: #426760;
}

.footer-protocol {
  font-size: 9px;
  letter-spacing: 0.07em;
}

.footer-protocol span {
  padding-inline: 4px;
  color: var(--color-action);
}

[hidden] {
  display: none !important;
}

/* Session layout: while a session exists the remote view takes the viewport.
   The request card becomes a one-row session bar above it and the controls
   needed mid-work sit in one row below it; diagnostics and the clipboard
   follow further down. Nothing is reparented, so every id keeps its place. */
:root[data-session="active"] {
  --session-chrome: 150px;
}

:root[data-session="active"] .app-shell {
  width: calc(100% - 20px);
  padding-block: 10px 24px;
}

:root[data-session="active"] .topbar,
:root[data-session="active"] .intro,
:root[data-session="active"] .page-footer,
:root[data-session="active"] .panel-heading,
:root[data-session="active"] .signal-steps,
:root[data-session="active"] #session-form .field-group,
:root[data-session="active"] #start-session {
  display: none;
}

:root[data-session="active"] .workbench {
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

:root[data-session="active"] .request-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  padding: 8px 8px 8px 18px;
}

:root[data-session="active"] .operator-identity,
:root[data-session="active"] .session-reference {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  border: 0;
  padding: 0;
}

:root[data-session="active"] .operator-identity .utility-label,
:root[data-session="active"] .session-reference .utility-label {
  flex-basis: auto;
}

:root[data-session="active"] .operator-identity .button-signout {
  min-height: 36px;
}

:root[data-session="active"] .operator-identity {
  order: 1;
}

:root[data-session="active"] .session-reference {
  order: 2;
}

:root[data-session="active"] #end-session {
  white-space: nowrap;
}

:root[data-session="active"] #session-form {
  order: 3;
  display: flex;
  flex: 1 1 320px;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}

:root[data-session="active"] .form-notice {
  order: -1;
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  text-align: right;
}

:root[data-session="active"] #session-form .form-actions {
  margin: 0;
}

:root[data-session="active"] .screen-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "frame frame"
    "footer state"
    "quality quality"
    "clipboard clipboard";
  column-gap: 16px;
  border: 0;
  padding: 0;
  background: transparent;
}

:root[data-session="active"] .screen-frame {
  grid-area: frame;
  height: calc(100dvh - var(--session-chrome));
  min-height: 360px;
  aspect-ratio: auto;
}

:root[data-session="active"] .screen-frame::before,
:root[data-session="active"] .screen-frame::after,
:root[data-session="active"] .screen-frame[data-live="true"] .screen-corner {
  display: none;
}

:root[data-session="active"] .screen-heading {
  grid-area: state;
  align-self: start;
  margin: 0;
  padding-top: 14px;
}

:root[data-session="active"] .screen-heading > div:first-child {
  display: none;
}

:root[data-session="active"] .screen-footer {
  grid-area: footer;
  align-items: flex-start;
  padding-top: 12px;
}

:root[data-session="active"] .screen-footer-copy {
  order: 5;
  flex-basis: 100%;
}

:root[data-session="active"] .remote-shortcut-tools .utility-label,
:root[data-session="active"] #remote-shortcut-help {
  display: none;
}

:root[data-session="active"] .remote-special-keys,
:root[data-session="active"] .remote-shortcut-status {
  max-width: none;
}

:root[data-session="active"] .remote-shortcut-status {
  min-height: 0;
}

:root[data-session="active"] .link-quality {
  grid-area: quality;
}

:root[data-session="active"] .clipboard-tools {
  grid-area: clipboard;
}

@keyframes spinner-rotate {
  to { transform: rotate(360deg); }
}

@media (max-width: 940px) {
  .workbench {
    grid-template-columns: minmax(300px, 0.9fr) minmax(360px, 1.1fr);
  }

  .request-panel {
    padding: 25px;
  }

  .signal-steps {
    gap: 6px;
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 32px, 560px);
    padding-top: 18px;
  }

  .topbar {
    margin-bottom: 52px;
  }

  .intro {
    margin-bottom: 27px;
  }

  .intro-copy {
    max-width: 440px;
    font-size: 15px;
  }

  .workbench {
    grid-template-columns: minmax(0, 1fr);
  }

  .request-panel {
    padding: 25px clamp(20px, 6vw, 34px);
  }

  .screen-panel {
    padding: 21px;
  }

  .screen-frame {
    min-height: 190px;
  }

  .screen-frame[data-stale="true"] .screen-empty {
    gap: 7px;
    padding: 12px 14px;
  }

  .screen-frame[data-stale="true"] .reticle {
    display: none;
  }

  .page-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  :root[data-session="active"] .app-shell {
    width: calc(100% - 16px);
  }

  :root[data-session="active"] .request-panel {
    padding: 10px 12px;
  }

  :root[data-session="active"] #session-form {
    flex-basis: 100%;
  }

  :root[data-session="active"] .form-notice {
    text-align: left;
  }

  :root[data-session="active"] .screen-panel {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "frame"
      "state"
      "footer"
      "quality"
      "clipboard";
  }

  :root[data-session="active"] .screen-frame {
    height: auto;
    min-height: 190px;
    aspect-ratio: 16 / 10;
  }

  :root[data-session="active"] .screen-heading {
    padding-top: 10px;
  }
}

@media (max-width: 430px) {
  .app-shell {
    width: min(100% - 24px, 400px);
  }

  .recent-actions {
    flex: 1 1 100%;
  }

  .recent-actions .button {
    flex: 1 1 0;
  }

  .topbar {
    margin-bottom: 42px;
  }

  .service-state {
    font-size: 9px;
  }

  h1 {
    font-size: clamp(2.45rem, 11vw, 3rem);
  }

  .eyebrow {
    flex-wrap: wrap;
    font-size: 9px;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button-primary {
    width: 100%;
  }

  .signal-steps {
    gap: 4px;
  }

  .step-copy small {
    font-size: 9px;
  }

  .screen-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .screen-footer-copy,
  .monitor-picker,
  .remote-shortcut-tools,
  .clipboard-actions .button,
  .clipboard-result-actions .button {
    width: 100%;
  }

  .monitor-picker select {
    max-width: none;
    flex: 1;
  }

  .remote-special-keys {
    max-width: none;
  }

  .button-shortcut {
    flex: 1 1 140px;
    justify-self: stretch;
  }

  .remote-shortcut-help,
  .remote-shortcut-status {
    max-width: none;
  }

  .link-quality-heading {
    flex-direction: column;
    gap: 4px;
  }

  .link-quality-state {
    text-align: left;
  }

  .link-quality-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 12px;
  }

  /* The footer is a column here; a full-basis item would start a second column. */
  :root[data-session="active"] .screen-footer-copy {
    flex-basis: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    /* Force every component transition to honor the user's reduced-motion preference. */
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  :root {
    scrollbar-color: auto;
  }

  .button,
  .panel,
  .field-group input,
  .link-state {
    border: 1px solid ButtonText;
  }

  .state-light,
  .link-state-dot,
  .step-node,
  .recent-dot,
  .frame-dot {
    outline: 1px solid CanvasText;
  }
}