body[data-phase="pairing"] { overflow: hidden; }

.pairing-screen {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  grid-template-rows: 64px minmax(0, 1fr);
  color: #f7f7f3;
  background: #132126;
  opacity: 1;
  visibility: visible;
  transition: opacity 320ms ease, visibility 320ms ease;
}

body[data-phase="library"] .pairing-screen {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.pairing-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(26px, 3vw, 58px);
  border-bottom: 1px solid rgba(126, 214, 214, 0.13);
  background: #0d181c;
}

.pairing-wordmark { width: 154px; height: 58px; }

.pairing-topbar-actions,
.pairing-fullscreen-control,
.pairing-fullscreen-room {
  display: flex;
  align-items: center;
}

.pairing-topbar-actions { gap: 10px; }
.pairing-fullscreen-control { gap: 8px; }

.pairing-fullscreen-room {
  display: none;
  gap: 8px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(126, 214, 214, 0.28);
  border-radius: 11px;
  color: #fff3e3;
  background: rgba(126, 214, 214, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.025);
}

.pairing-fullscreen-room > i {
  color: var(--accent);
  font-size: 18px;
  transform: rotate(-12deg);
}

.pairing-fullscreen-room span {
  color: rgba(255, 243, 227, 0.58);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.pairing-fullscreen-room strong {
  font: 900 18px/1 Consolas, monospace;
  letter-spacing: 0.1em;
}

.pairing-fullscreen-button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid rgba(126, 214, 214, 0.22);
  border-radius: 11px;
  color: #fff3e3;
  background: rgba(126, 214, 214, 0.08);
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.pairing-fullscreen-button i { font-size: 19px; }

.pairing-fullscreen-button:hover {
  color: #132126;
  border-color: var(--accent);
  background: var(--accent);
  transform: translateY(-1px);
}

.pairing-fullscreen-button:active { transform: translateY(0) scale(0.96); }

body[data-fullscreen="true"] .pairing-network { display: none; }
body[data-fullscreen="true"] .pairing-fullscreen-room { display: flex; }

.pairing-network {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(126, 214, 214, 0.18);
  border-radius: 999px;
  color: #fff3e3;
  background: rgba(126, 214, 214, 0.07);
  font-size: 11px;
  font-weight: 700;
}

.pairing-network i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 70%, transparent);
}

.pairing-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(480px, 0.88fr);
  min-height: 0;
}

.pairing-showcase {
  position: relative;
  isolation: isolate;
  min-width: 0;
  overflow: hidden;
  background: #090b0d;
}

.pairing-showcase-track,
.pairing-showcase-slide {
  position: absolute;
  inset: 0;
}

.pairing-showcase-slide {
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 720ms cubic-bezier(0.2, 0.75, 0.25, 1), visibility 720ms ease;
}

.pairing-showcase-slide.active {
  opacity: 1;
  visibility: visible;
}

.pairing-showcase-slide img,
.pairing-showcase-slide video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #090b0d;
  filter: saturate(0.94) contrast(1.04) brightness(0.92);
  transform: scale(1.025);
}

.pairing-showcase-slide video { z-index: 1; }
.pairing-showcase-slide.media-failed video { display: none; }

.pairing-showcase-slide.active video {
  animation: showcaseDrift 7s ease-out both;
}

.pairing-showcase-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(19, 33, 38, 0.02) 48%, rgba(19, 33, 38, 0.38) 100%),
    linear-gradient(180deg, rgba(19, 33, 38, 0.02) 34%, rgba(19, 33, 38, 0.92) 100%);
  pointer-events: none;
}

.pairing-showcase-copy {
  position: absolute;
  z-index: 2;
  left: clamp(38px, 5vw, 92px);
  bottom: clamp(42px, 7vh, 92px);
  max-width: min(70%, 620px);
  text-shadow: 0 3px 25px rgba(0, 0, 0, 0.45);
}

.pairing-step {
  color: #7ed6d6;
  font: 800 10px/1.2 Consolas, monospace;
  letter-spacing: 0.19em;
}

.pairing-showcase-copy h2 {
  margin: 0;
  font-size: clamp(38px, 4.2vw, 68px);
  line-height: 1;
  letter-spacing: -0.055em;
}

.pairing-showcase-copy p {
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: clamp(12px, 1.05vw, 16px);
  font-weight: 650;
  line-height: 1.5;
}

.pairing-showcase-progress {
  position: absolute;
  z-index: 2;
  right: clamp(30px, 3.5vw, 66px);
  bottom: clamp(48px, 7vh, 96px);
  display: grid;
  justify-items: end;
  gap: 12px;
  color: rgba(255, 255, 255, 0.72);
  font: 800 10px/1 Consolas, monospace;
  letter-spacing: 0.12em;
}

.pairing-showcase-progress div {
  display: flex;
  gap: 6px;
}

.pairing-showcase-progress i {
  position: relative;
  width: clamp(28px, 3vw, 52px);
  height: 2px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.28);
}

.pairing-showcase-progress i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #62d7e3;
  transform: scaleX(0);
  transform-origin: left;
}

.pairing-showcase-progress i.active::after {
  animation: showcaseProgress 7s linear both;
}

.pairing-connect {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  overflow: hidden;
  padding: clamp(38px, 5vh, 74px) clamp(42px, 5vw, 88px);
  color: #3a2118;
  background:
    radial-gradient(circle at 102% 2%, rgba(126, 214, 214, 0.88) 0 18%, transparent 18.2%),
    radial-gradient(circle at -8% 92%, rgba(255, 178, 107, 0.88) 0 24%, transparent 24.2%),
    #fff3e3;
}

.pairing-connect::before,
.pairing-connect::after {
  content: "";
  position: absolute;
  z-index: -1;
  border: 3px solid rgba(72, 184, 189, 0.16);
  border-radius: 50%;
}

.pairing-connect::before { top: 15%; right: -95px; width: 280px; height: 110px; }
.pairing-connect::after { bottom: 9%; left: -110px; width: 310px; height: 124px; }

.pairing-invite {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 570px);
  padding: clamp(68px, 7vh, 92px) clamp(28px, 3vw, 46px) clamp(22px, 3vh, 34px);
  border: 2px solid rgba(107, 74, 58, 0.13);
  border-radius: 46px;
  background: rgba(255, 252, 248, 0.96);
  box-shadow: 0 10px 0 rgba(107, 74, 58, 0.11), 0 34px 90px rgba(58, 33, 24, 0.16);
}

.pairing-host {
  position: absolute;
  top: clamp(-60px, -5.5vh, -44px);
  left: 50%;
  display: block;
  width: clamp(112px, 10vw, 148px);
  height: auto;
  filter: drop-shadow(0 10px 12px rgba(58, 33, 24, 0.16));
  transform: translateX(-50%);
}

.pairing-copy { width: min(100%, 480px); text-align: center; }

.pairing-copy h1 {
  margin: 11px 0 10px;
  color: #3a2118;
  font-size: clamp(36px, 3.4vw, 58px);
  line-height: 1;
  letter-spacing: -0.065em;
}

.pairing-title-art {
  display: inline-flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0.08em 0.08em 0.16em 0;
  perspective: 500px;
}

.pairing-title-art b {
  position: relative;
  display: inline-block;
  color: #3a2118;
  font-family: "Hannotate SC", "Yuanti SC", "STKaiti", "KaiTi", "Microsoft YaHei", sans-serif;
  font-weight: 900;
  -webkit-text-stroke: 0.018em #3a2118;
  paint-order: stroke fill;
  text-shadow:
    0.055em 0.075em 0 #ffb26b,
    0.095em 0.13em 0 rgba(72, 184, 189, 0.82),
    0.14em 0.19em 0.28em rgba(58, 33, 24, 0.16);
  transform-origin: 50% 86%;
}

.pairing-title-art b:nth-child(1) { transform: translateY(0.015em) rotate(-4deg); }
.pairing-title-art b:nth-child(2) { transform: translateY(-0.045em) rotate(2deg); }
.pairing-title-art b:nth-child(3) { transform: translateY(0.018em) rotate(-1deg); }
.pairing-title-art b:nth-child(4) { transform: translateY(-0.055em) rotate(3deg); }
.pairing-title-art b:nth-child(5) { transform: translateY(0.012em) rotate(-3deg); }
.pairing-title-art b:nth-child(6) { transform: translateY(-0.06em) rotate(2deg); }
.pairing-title-art b:nth-child(7) { transform: translateY(0.01em) rotate(4deg); }

.pairing-title-art b:nth-child(4)::after {
  content: "";
  position: absolute;
  width: 0.12em;
  height: 0.12em;
  margin: -0.02em 0 0 -0.05em;
  border-radius: 50%;
  background: #7ed6d6;
  box-shadow: 0.18em -0.08em 0 #ffb26b;
}

.pairing-copy p {
  max-width: 420px;
  margin: 0 auto;
  color: #6b4a3a;
  font-size: clamp(12px, 1.1vw, 15px);
  line-height: 1.65;
}

.pairing-copy .pairing-step {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: #132126;
  background: #7ed6d6;
}

.pairing-code {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: clamp(14px, 2vh, 22px) 0 12px;
  padding: 10px 17px 9px;
  border: 2px solid #3a2118;
  border-radius: 16px;
  color: #3a2118;
  background: #fff3e3;
  box-shadow: 0 4px 0 #ffb26b;
}

.pairing-code span { color: #6b4a3a; font-size: 10px; font-weight: 850; }
.pairing-code strong { font: 900 clamp(21px, 2.1vw, 34px)/1 Consolas, monospace; letter-spacing: 0.13em; }

.pairing-qr {
  display: grid;
  place-items: center;
  width: clamp(174px, 16vw, 228px);
  padding: 12px;
  border: 3px solid #3a2118;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 7px 0 #48b8bd, 0 18px 36px rgba(58, 33, 24, 0.13);
}

.pairing-qr img { display: block; width: 100%; aspect-ratio: 1; }

.pairing-status {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 22px;
  margin-top: 15px;
  color: #6b4a3a;
  font-size: 11px;
  font-weight: 700;
}

.pairing-status.connected { color: #277f83; }
.pairing-status.error { color: #ff705e; }
.pairing-pulse { display: flex; align-items: center; gap: 3px; }
.pairing-pulse i { width: 4px; height: 4px; border-radius: 50%; background: currentColor; animation: pairingBlink 1.2s ease-in-out infinite; }
.pairing-pulse i:nth-child(2) { animation-delay: 120ms; }
.pairing-pulse i:nth-child(3) { animation-delay: 240ms; }

.paired-slots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: min(100%, 480px);
  margin-top: 14px;
}
.paired-slots:empty { display: none; }

.paired-slot {
  position: relative;
  width: 50px;
  height: 50px;
  border: 3px solid rgba(107, 74, 58, 0.18);
  border-radius: 50%;
  background: #fff8ee;
  box-shadow: 0 4px 10px rgba(58, 33, 24, 0.1);
}
.paired-slot img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  user-select: none;
}
.paired-slot::after {
  content: attr(data-order);
  position: absolute;
  right: -6px;
  bottom: -5px;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  width: 19px;
  height: 19px;
  border: 2px solid #fffaf4;
  border-radius: 50%;
  color: #485154;
  background: #d6dadd;
  font: 900 10px/1 Arial, sans-serif;
  box-shadow: 0 1px 4px rgba(25, 32, 34, 0.16);
}
.paired-slot em {
  position: absolute;
  top: -7px;
  right: -7px;
  padding: 1px 4px;
  border-radius: 5px;
  color: #1a1308;
  background: #ffc25c;
  font-size: 9px;
  font-style: normal;
}
.paired-slot.ready { border-color: #48b8bd; box-shadow: 0 0 0 2px rgba(126, 214, 214, 0.26), 0 4px 10px rgba(58, 33, 24, 0.1); }
.paired-slot.ready::after { color: #123035; background: #7ed6d6; }

@keyframes pairingBlink {
  0%, 100% { opacity: 0.25; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-2px); }
}

@keyframes showcaseDrift {
  from { transform: scale(1.035); }
  to { transform: scale(1); }
}

@keyframes showcaseProgress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (max-width: 980px) {
  .pairing-layout { grid-template-columns: 1fr 1fr; }
  .pairing-connect { padding-inline: 26px; }
  .pairing-invite { padding-inline: 24px; }
  .pairing-showcase-copy { left: 34px; right: 30px; }
  .pairing-showcase-progress { right: 30px; }
}

@media (max-width: 720px) {
  .pairing-topbar { padding-inline: 18px; }
  .pairing-wordmark { width: 126px; }
  .pairing-network { display: none; }
  .pairing-fullscreen-room { padding-inline: 10px; }
  .pairing-fullscreen-room span { display: none; }
  .pairing-layout { grid-template-columns: 1fr; }
  .pairing-showcase { display: none; }
  .pairing-connect { padding: 58px 20px 24px; }
  .pairing-invite { padding: 66px 22px 24px; border-radius: 34px; }
  .pairing-copy h1 { font-size: 38px; }
  .pairing-qr { width: min(54vw, 230px); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after { animation: none !important; transition: none !important; }

  .pairing-showcase-slide.active video { display: none; }
}