.experience-switcher {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin: 28px 0 0;
}

.machine-signin-unavailable {
  display: none;
}

/* The guest balance contains a popup sign-in button. The machine's entry
   point is its QR; keep the balance frame mounted until the player connects. */
body[data-experience="machine"][data-player-state="guest"] #profile-balance-mount,
body[data-experience="machine"][data-player-state="guest"] .tab[data-tab="profile"] {
  display: none;
}

body[data-experience="machine"][data-machine-qr="unavailable"] .auth-action > :not(.machine-signin-unavailable) {
  display: none;
}

body[data-experience="machine"][data-machine-qr="unavailable"] .machine-signin-unavailable {
  display: block;
  margin: 0;
  color: var(--muted-foreground);
}

.experience-switcher-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.experience-switcher-copy > .eyebrow {
  margin: 0;
}

.experience-switcher-copy > span {
  color: var(--muted-foreground);
  font-size: 12px;
  line-height: 1.5;
}

.experience-switcher > p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 12px;
}

.experience-options {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(19, 16, 25, 0.85);
}

.experience-option {
  min-height: 46px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: var(--muted-foreground);
  background: transparent;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.3;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
}

.experience-option:hover {
  color: var(--foreground);
  background: rgba(255, 255, 255, 0.035);
}

.experience-option[aria-pressed="true"] {
  border-color: #665575;
  color: #fff;
  background: #302638;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.16);
}

.experience-option:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

[data-experience-copy="status"] {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 12px;
  line-height: 1.5;
}

body[data-experience="machine"] {
  --experience-accent: #edca83;
  --experience-border: #484151;
  background: radial-gradient(ellipse at 50% 0%, #25212e 0%, transparent 60%), #0d0b12;
}

body[data-experience="machine"] .shell {
  width: min(1320px, calc(100% - 48px));
}

body[data-experience="machine"] .topbar {
  border-bottom-color: #302b39;
  background: rgba(13, 11, 18, 0.95);
}

body[data-experience="machine"] .experience-option[aria-pressed="true"] {
  border-color: #786440;
  color: #ffe6b3;
  background: #382f23;
}

body[data-experience="machine"] .hero {
  padding: 28px 0 24px;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.65fr);
  align-items: center;
  gap: 36px;
}

body[data-experience="machine"] .hero h1 {
  font-size: clamp(32px, 3.8vw, 48px);
  letter-spacing: -0.045em;
}

body[data-experience="machine"] .hero .eyebrow,
body[data-experience="machine"] .auth-copy .eyebrow {
  color: var(--experience-accent);
}

body[data-experience="machine"] .hero-copy {
  font-size: 15px;
  line-height: 1.6;
}

body[data-experience="machine"] .tabs {
  background: rgba(13, 11, 18, 0.94);
}

body[data-experience="machine"] .context-strip {
  padding: 16px 22px;
  border-color: #3a3341;
  background: #17131d;
}

body[data-experience="machine"] .context-badge {
  border-color: #6f5c3c;
  color: #f1d79f;
  background: #282218;
}

body[data-experience="machine"] .auth-gate {
  min-height: 520px;
  padding: clamp(28px, 4vw, 52px);
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 76px);
  border: 1px solid var(--experience-border);
  border-radius: 28px;
  background: linear-gradient(145deg, #211c28, #15121c);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.045);
}

body[data-experience="machine"] .auth-gate::after {
  width: 270px;
  height: 270px;
  right: -100px;
  bottom: -160px;
  background: #b99453;
  opacity: 0.08;
}

body[data-experience="machine"] .auth-copy h2 {
  max-width: 8ch;
  font-size: clamp(38px, 4vw, 54px);
  line-height: 1.04;
}

body[data-experience="machine"] .auth-copy > p:not(.eyebrow) {
  max-width: 36ch;
  font-size: 16px;
  line-height: 1.65;
}

body[data-experience="machine"] .auth-action {
  width: 100%;
  max-width: 600px;
  min-width: 0;
  justify-self: center;
  padding: clamp(16px, 2vw, 28px);
  border-color: #514756;
  border-radius: 22px;
  background: rgba(9, 7, 13, 0.7);
}

body[data-experience="machine"] .auth-icon {
  margin-bottom: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* Keep the same game frame mounted; evidence follows it in the page. */
body[data-experience="machine"] .journey-grid {
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

body[data-experience="machine"] .side-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

body[data-experience="machine"] #activity-card {
  padding: clamp(22px, 3vw, 40px);
  border-color: var(--experience-border);
  border-radius: 26px;
  background: #19151f;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.24);
}

body[data-experience="machine"] .game-catalog {
  gap: 22px;
}

body[data-experience="machine"] .game-option {
  border-radius: 22px;
}

body[data-experience="machine"] .game-option .primary,
body[data-experience="machine"] .game-option select,
body[data-experience="machine"] #logout,
body[data-experience="machine"] #next-exchange-card button {
  min-height: 52px;
  font-size: 15px;
}

body[data-experience="machine"] .partner-game-frame {
  width: 100%;
  min-height: 700px;
  border-radius: 18px;
}

body[data-experience="machine"] #next-exchange-card,
body[data-experience="machine"] #transcript-card,
body[data-experience="machine"] .side-column > .panel {
  border-color: #37303f;
  background: rgba(22, 18, 29, 0.88);
}

@media (max-width: 900px) {
  body[data-experience="machine"] .auth-gate {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  body[data-experience="machine"] .auth-copy h2 {
    max-width: none;
  }

  body[data-experience="machine"] .auth-copy > p:not(.eyebrow) {
    max-width: 60ch;
  }

  body[data-experience="machine"] .privacy-row {
    margin-top: 18px;
  }
}

@media (max-width: 640px) {
  .experience-switcher {
    align-items: stretch;
    gap: 12px;
    margin-top: 20px;
  }

  .experience-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .experience-option {
    min-width: 0;
    padding-inline: 12px;
  }

  body[data-experience="machine"] .shell {
    width: calc(100% - 28px);
  }

  body[data-experience="machine"] .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 24px 0 20px;
  }

  body[data-experience="machine"] .context-strip {
    padding: 14px 16px;
  }

  body[data-experience="machine"] .auth-gate {
    min-height: 0;
    padding: 24px 18px;
    border-radius: 22px;
  }

  body[data-experience="machine"] .auth-copy h2 {
    font-size: 36px;
  }

  body[data-experience="machine"] .side-column {
    grid-template-columns: minmax(0, 1fr);
  }

  body[data-experience="machine"] .partner-game-frame {
    min-height: 1040px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .experience-option {
    transition: none;
  }
}