:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #111318;
  --surface-strong: #1b2028;
  --line: #343b47;
  --text: #ffffff;
  --muted: #c6ccd6;
  --soft: #8f98a6;
  --accent: #5eead4;
  --accent-strong: #22d3ee;
  --danger: #ff7a7a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

.display-page {
  width: 600px;
  height: 600px;
  overflow: hidden;
}

.display-shell {
  position: relative;
  width: 600px;
  height: 600px;
  padding: 8px;
  overflow: hidden;
}

.display-shell.has-video {
  padding: 0;
}

.receiver-overlay {
  position: absolute;
  z-index: 6;
  inset: 8px;
  display: grid;
  grid-template-rows: 86px 1fr 104px;
  gap: 10px;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 240ms ease;
}

.display-shell.has-video .receiver-overlay {
  inset: 0;
  padding: 8px;
}

.receiver-overlay.overlay-hidden {
  opacity: 0;
  pointer-events: none;
}

.receiver-overlay.overlay-hidden .code-overlay {
  position: static;
}

.display-header,
.display-footer,
.player-panel,
.code-overlay {
  background: rgba(17, 19, 24, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.display-shell.has-video .display-header,
.display-shell.has-video .display-footer {
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.38);
}

.display-header {
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
}

h1,
p {
  margin: 0;
}

.display-header h1 {
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0;
}

.prompt,
.overlay-help,
.status-text,
.label {
  color: var(--muted);
}

.prompt {
  margin-top: 8px;
  font-size: 16px;
}

.player-panel {
  position: absolute;
  z-index: 1;
  top: 104px;
  right: 8px;
  bottom: 122px;
  left: 8px;
  min-height: 0;
  overflow: hidden;
}

.display-shell.has-video .player-panel {
  position: absolute;
  inset: 0;
  border: 0;
  border-radius: 0;
}

.player-host,
.player-host video,
.player-host iframe {
  width: 100%;
  height: 100%;
}

.player-host video,
.player-host iframe {
  display: block;
  border: 0;
  background: #05070a;
}

.empty-state {
  display: grid;
  place-content: center;
  height: 100%;
  padding: 28px;
  text-align: center;
}

.empty-state p {
  font-size: 28px;
  font-weight: 700;
}

.empty-state span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 17px;
}

.display-footer {
  grid-row: 3;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 14px 16px;
}

.label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.now-playing {
  margin-top: 5px;
  max-width: 548px;
  overflow: hidden;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-text {
  font-size: 14px;
  line-height: 1.25;
}

.code-overlay {
  position: absolute;
  z-index: 7;
  top: 108px;
  left: 42px;
  right: 42px;
  padding: 22px 24px 24px;
  text-align: center;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
}

.display-shell.has-video .code-overlay {
  top: 106px;
}

.session-code {
  margin-top: 8px;
  color: var(--accent);
  font-size: 76px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
}

.overlay-help {
  margin-top: 12px;
  font-size: 18px;
}

.focusable,
.phone-card button,
.primary-action {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--surface-strong);
}

.focusable {
  min-height: 48px;
  padding: 0 16px;
}

.focusable:focus-visible,
.phone-card button:focus-visible,
.primary-action:focus-visible,
input:focus,
textarea:focus {
  outline: 3px solid var(--accent-strong);
  outline-offset: 3px;
}

.secondary-button {
  font-size: 15px;
  font-weight: 700;
}

.tap-play {
  position: absolute;
  z-index: 4;
  left: 90px;
  right: 90px;
  bottom: 32px;
  min-height: 88px;
  border-color: var(--accent);
  background: #123031;
  font-size: 25px;
  font-weight: 800;
}

.hidden {
  display: none !important;
}

.phone-page {
  min-width: 320px;
  min-height: 100vh;
  background: #07090d;
}

.phone-shell {
  width: min(100%, 560px);
  margin: 0 auto;
  padding: 22px 16px 34px;
}

.phone-header {
  margin-bottom: 18px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.phone-header h1 {
  margin-top: 6px;
  font-size: 34px;
  line-height: 1.08;
}

.phone-card {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.phone-card label {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: #090c12;
}

input {
  height: 54px;
  padding: 0 14px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

textarea {
  min-height: 104px;
  padding: 12px 14px;
  resize: vertical;
  font-size: 16px;
  line-height: 1.35;
}

.primary-action {
  min-height: 58px;
  border-color: var(--accent);
  background: #0f3a3b;
  font-size: 18px;
  font-weight: 800;
}

.helper-text {
  display: grid;
  gap: 6px;
  color: var(--soft);
  font-size: 14px;
  line-height: 1.35;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.control-grid button {
  min-height: 56px;
  padding: 0 10px;
  font-weight: 800;
}

.control-grid button:last-child {
  grid-column: 1 / -1;
}

.phone-status {
  min-height: 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
}

.phone-status.error,
.status-text.error {
  color: var(--danger);
}

@media (max-width: 420px) {
  .phone-shell {
    padding-inline: 12px;
  }

  .phone-header h1 {
    font-size: 30px;
  }
}