.install-btn {
  height: 40px;
  min-width: 126px;
  padding: 0 17px;
  border-radius: 999px;
  border: 1px solid rgba(251, 191, 36, 0.42);
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.24), rgba(217, 119, 6, 0.11));
  color: #fde68a;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.install-btn:hover {
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.32), rgba(217, 119, 6, 0.17));
  border-color: rgba(251, 191, 36, 0.62);
}

.install-btn:active {
  transform: scale(0.97);
}

.install-btn.hidden {
  display: none !important;
}

.ell-install-help {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.ell-install-help.is-open {
  display: flex;
}

.ell-install-card {
  width: min(560px, 92vw);
  padding: clamp(24px, 4vw, 38px);
  border-radius: clamp(22px, 3vw, 32px);
  border: 1px solid rgba(210, 235, 255, 0.18);
  background:
    radial-gradient(circle at 18% 0%, rgba(147, 197, 253, 0.18), transparent 40%),
    linear-gradient(145deg, #25262b, #1f1f22);
  color: #f5f5f7;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.62);
  font-family: Poppins, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.ell-install-card h2 {
  margin: 0;
  font-size: clamp(22px, 2.2vw, 32px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.ell-install-card p,
.ell-install-card li {
  color: #d1d5db;
  font-size: clamp(14px, 1.15vw, 17px);
  line-height: 1.55;
}

.ell-install-card ol {
  margin: 16px 0 0;
  padding-left: 1.35rem;
}

.ell-install-card button {
  margin-top: 22px;
  min-width: 110px;
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.96), rgba(217, 119, 6, 0.96));
  color: #111827;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}