:root {
  --bg-deep: #080a09;
  --bg-mid: #101512;
  --surface: #161c18;
  --surface-raised: #1c2420;
  --border: rgba(168, 255, 196, 0.12);
  --text: #e6f0e8;
  --text-muted: #8aa392;
  --accent: #5bffb0;
  --accent-dim: rgba(91, 255, 176, 0.15);
  --warn: #ffc857;
  --warn-dim: rgba(255, 200, 87, 0.12);
  --danger: #ff7b6b;
  --danger-dim: rgba(255, 123, 107, 0.14);
  --font-display: "Fraunces", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius-lg: 20px;
  --radius-sm: 10px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg-deep);
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgba(91, 255, 176, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 20%, rgba(255, 200, 87, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(60, 120, 90, 0.2), transparent 45%),
    var(--bg-deep);
  pointer-events: none;
}

.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.panel {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: min(100%, 440px);
  margin: 0;
  padding: 1.75rem 1.5rem 1.25rem;
  background: linear-gradient(165deg, var(--surface) 0%, var(--bg-mid) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  animation: panel-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
}

.panel__header {
  margin-bottom: 1.5rem;
  animation: fade-up 0.6s 0.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 2.35rem);
  font-weight: 700;
  font-variation-settings: "SOFT" 50, "WONK" 1;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.lede {
  margin: 0.65rem 0 0;
  color: var(--text-muted);
  max-width: 34ch;
}

.status-card {
  padding: 1rem 1.1rem;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  animation: fade-up 0.6s 0.18s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.status-card__row {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.status-card__label {
  margin: 0;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.status-card__value {
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.status-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: var(--text-muted);
  box-shadow: 0 0 0 3px rgba(138, 163, 146, 0.2);
}

.status-dot[data-state="loading"] {
  background: var(--text-muted);
  animation: pulse-muted 1.4s ease-in-out infinite;
}

.status-dot[data-state="pending"] {
  background: var(--warn);
  box-shadow: 0 0 0 3px var(--warn-dim), 0 0 12px rgba(255, 200, 87, 0.45);
  animation: pulse-warn 1.2s ease-in-out infinite;
}

.status-dot[data-state="connected"] {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim), 0 0 14px rgba(91, 255, 176, 0.5);
}

.status-dot[data-state="error"] {
  background: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-dim);
}

@keyframes pulse-muted {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

@keyframes pulse-warn {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.85;
  }
}

.qr-stage {
  text-align: center;
  margin-bottom: 1.25rem;
  animation: fade-up 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.qr-frame {
  position: relative;
  display: inline-block;
  padding: 0.75rem;
  background: #fff;
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 16px 40px rgba(0, 0, 0, 0.4);
}

.qr-frame__img {
  display: block;
  width: min(260px, 72vw);
  height: auto;
  border-radius: 6px;
}

.qr-frame__scanline {
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
  animation: scan 2.8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes scan {
  0%,
  100% {
    top: 0.75rem;
    opacity: 0;
  }
  10% {
    opacity: 0.7;
  }
  50% {
    top: calc(100% - 0.75rem);
    opacity: 0.7;
  }
  90% {
    opacity: 0;
  }
}

.qr-hint {
  margin: 0.85rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.connected-banner {
  padding: 0.9rem 1rem;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  border: 1px solid rgba(91, 255, 176, 0.35);
  animation: fade-up 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.connected-banner__text {
  margin: 0;
  font-size: 0.8rem;
  color: var(--accent);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
  animation: fade-up 0.6s 0.22s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.btn {
  flex: 1;
  min-width: 8.5rem;
  padding: 0.7rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.15s ease,
    opacity 0.2s ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:not(:disabled):active {
  transform: scale(0.98);
}

.btn--primary {
  color: var(--bg-deep);
  background: var(--accent);
  border: 1px solid rgba(91, 255, 176, 0.6);
}

.btn--primary:not(:disabled):hover {
  background: #7dffc0;
}

.btn--ghost {
  color: var(--danger);
  background: var(--danger-dim);
  border: 1px solid rgba(255, 123, 107, 0.35);
}

.btn--ghost:not(:disabled):hover {
  background: rgba(255, 123, 107, 0.22);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  animation: fade-up 0.6s 0.28s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.steps[hidden] {
  display: none !important;
}

.steps li {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.steps li span {
  font-weight: 500;
  color: var(--accent);
  font-size: 0.7rem;
}

.panel__footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.mono {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  opacity: 0.7;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}