.demo-app {
  background: #edf4ef;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding: 22px 35px;
  border-bottom: 1px solid #c6d8cd;
  background: var(--paper);
}
.demo-header strong {
  font-family: var(--font-title);
}
.demo-header > div > strong {
  font-size: 12px;
  letter-spacing: 0.09em;
}
.demo-header p {
  font-size: 11px;
  color: var(--ink-dim);
  margin-top: 5px;
}
.demo-exit {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
}
.demo-exit svg {
  width: 17px;
}
.demo-main {
  max-width: 1750px;
  margin: 0 auto;
  padding: 22px 30px 30px;
}
.demo-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-bottom: 20px;
}
.demo-view-tabs {
  display: flex;
  gap: 5px;
}
.demo-toolbar button {
  font-size: 11px;
  font-weight: 750;
  border: 1px solid #a6c0b2;
  border-radius: 5px;
  background: transparent;
  padding: 9px 13px;
  display: flex;
  gap: 6px;
  align-items: center;
}
.demo-view-tabs button.active {
  background: var(--ink);
  color: white;
  border-color: var(--ink);
}
.demo-playback {
  display: flex;
  gap: 8px;
}
.demo-playback svg {
  height: 13px;
  width: 13px;
}
.demo-playback button[aria-pressed="true"] {
  background: var(--mint);
}
.demo-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 24px;
  align-items: start;
  min-height: 300px;
}
.device-label {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
}
.device-label > span:last-child {
  margin-left: auto;
  font-size: 8px;
  color: var(--ink-dim);
}
.device-label .live-dot {
  width: 5px;
  height: 5px;
  box-shadow: none;
}
.frame-viewport {
  position: relative;
  overflow: hidden;
  background: var(--paper);
}
.host-viewport {
  width: 100%;
  border: 2px solid var(--ink);
  border-radius: 10px;
  box-shadow: 0 12px 35px rgba(20, 40, 34, 0.1);
}
.frame-viewport iframe {
  display: block;
  border: 0;
  transform-origin: top left;
  max-width: none;
}
.phone-shell {
  padding: 7px;
  border: 2px solid var(--ink);
  border-radius: 28px;
  background: var(--ink);
  box-shadow: 0 12px 30px rgba(20, 40, 34, 0.14);
}
.player-viewport {
  border-radius: 20px;
}
.demo-stage[data-view="host"] {
  grid-template-columns: 1fr;
  max-width: 1280px;
  margin: auto;
}
.demo-stage[data-view="host"] .demo-phone {
  display: none;
}
.demo-stage[data-view="player"] {
  grid-template-columns: minmax(0, 390px);
  justify-content: center;
}
.demo-stage[data-view="player"] .demo-projector {
  display: none;
}
.demo-stage[data-view="player"] .demo-phone {
  width: 100%;
}
.demo-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding: 23px 0 20px;
  border-bottom: 1px solid #c6d8cd;
}
.demo-caption .eyebrow {
  font-size: 9px;
}
.demo-caption h1 {
  font-size: 24px;
  letter-spacing: -0.02em;
  margin: 6px 0;
}
.demo-caption p:not(.eyebrow) {
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.5;
}
.demo-arrows {
  display: flex;
  gap: 12px;
  align-items: center;
}
.demo-arrows .btn {
  font-size: 12px;
  min-height: 42px;
  padding: 10px 16px;
}
.demo-arrows .icon-button {
  height: 36px;
  width: 36px;
}
.demo-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
}
.demo-steps button {
  background: var(--paper);
  border: 1px solid #a6c0b2;
  border-radius: 5px;
  padding: 10px 13px;
  font-size: 11px;
  font-weight: 700;
}
.demo-steps button[aria-current="true"] {
  background: var(--yellow);
  border-color: var(--ink);
  box-shadow: 0 2px 0 var(--ink);
}
.demo-note {
  font-size: 10px;
  color: var(--ink-dim);
  margin-top: 20px;
  line-height: 1.5;
}
@media (max-width: 1050px) {
  .demo-stage {
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 15px;
  }
  .demo-main {
    padding: 20px;
  }
  .demo-header {
    padding: 20px;
  }
  .demo-header > div {
    display: none;
  }
}
@media (max-width: 760px) {
  .demo-stage[data-view="both"] {
    grid-template-columns: 1fr;
  }
  .demo-stage[data-view="both"] .demo-phone {
    display: none;
  }
  .demo-view-tabs button[data-view="both"] {
    display: none;
  }
  .demo-stage[data-view="player"] {
    max-width: 340px;
    margin: auto;
  }
  .demo-toolbar {
    gap: 12px;
    flex-wrap: wrap;
  }
  .demo-toolbar button {
    font-size: 10px;
    padding: 9px 11px;
  }
  .demo-header .wordmark {
    font-size: 26px;
  }
  .demo-exit {
    font-size: 10px;
    gap: 5px;
  }
  .demo-main {
    padding: 16px;
  }
  .demo-caption {
    gap: 16px;
    align-items: flex-start;
  }
  .demo-caption h1 {
    font-size: 21px;
  }
  .demo-caption p:not(.eyebrow) {
    font-size: 11px;
  }
  .demo-arrows {
    gap: 8px;
    margin-top: 12px;
  }
  .demo-arrows .icon-button {
    display: none;
  }
  .demo-arrows .btn {
    font-size: 11px;
    padding: 10px 12px;
    gap: 8px;
    white-space: nowrap;
  }
  .demo-steps {
    gap: 6px;
  }
  .demo-steps button {
    font-size: 10px;
    padding: 9px 10px;
  }
  .demo-note {
    font-size: 9px;
  }
}

/* Keep the controls and the complete preview in the available viewport. */
.demo-header { flex: none; padding-block: 12px; }
.demo-main {
  width: 100%;
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto auto;
  gap: clamp(6px, 1.5dvh, 14px);
  padding-block: 12px;
}
.demo-toolbar { margin: 0; }
.demo-stage,
.demo-stage[data-view="host"],
.demo-stage[data-view="player"] {
  min-height: 0;
  width: 100%;
  height: 100%;
  margin: 0 auto;
}
.demo-device {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.device-label { width: 100%; flex: none; }
.host-viewport,
.phone-shell { flex: none; max-width: 100%; }
.demo-caption { padding: 8px 0; gap: 16px; }
.demo-caption h1 { font-size: clamp(17px, 2.7dvh, 24px); margin: 3px 0; }
.demo-steps { margin: 0; gap: 6px; }
.demo-steps button { padding: 7px 10px; }
.demo-note { margin: 0; }
@media (max-height: 700px) {
  .demo-header { padding-block: 8px; }
  .demo-header .wordmark { font-size: 26px; }
  .demo-caption { padding: 4px 0; }
  .demo-caption p:not(.eyebrow) { font-size: 10px; }
  .demo-toolbar button { padding-block: 7px; }
  .demo-steps button { padding-block: 5px; }
}