html, body.dlb-body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(88, 101, 242, 0.22), transparent 55%),
    #0a0a0c;
  color: #fff;
  font-family: Montserrat, system-ui, sans-serif;
}

.dlb-body {
  display: grid;
  place-items: center;
  padding: 24px;
  box-sizing: border-box;
}

.dlb-card {
  width: min(420px, 100%);
  padding: 28px 24px 24px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, #16161d, #101016);
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.dlb-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #fff;
  background: #5865f2;
  box-shadow: 0 10px 28px rgba(88, 101, 242, 0.35);
}

.dlb-logo svg {
  width: 30px;
  height: 30px;
}

.dlb-card h1 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.dlb-lead {
  margin: 0 0 18px;
  color: #a8a8b8;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 500;
}

.dlb-spinner {
  width: 28px;
  height: 28px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: #5865f2;
  animation: dlbSpin 0.8s linear infinite;
}

.dlb-actions {
  display: grid;
  gap: 10px;
}

.dlb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  text-decoration: none;
  font: 800 12px/1 Montserrat, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dlb-btn-primary {
  border-color: rgba(88, 101, 242, 0.55);
  background: #5865f2;
  box-shadow: 0 10px 24px rgba(88, 101, 242, 0.28);
}

.dlb-hint {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: #7a7a8a;
  font-weight: 500;
}

@keyframes dlbSpin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .dlb-spinner { animation: none; border-top-color: #fff; }
}