.pwa-install-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(15, 26, 56, 0.74);
  backdrop-filter: blur(4px);
  animation: pwa-overlay-in 0.28s ease-out;
}

.pwa-install-dialog {
  position: relative;
  width: min(100%, 480px);
  overflow: hidden;
  border: 1px solid rgba(209, 124, 43, 0.24);
  border-radius: var(--radius-lg, 16px);
  background: var(--white, #fff);
  color: var(--gray-900, #0a0a0a);
  box-shadow: var(--shadow-2xl, 0 20px 50px rgba(0, 0, 0, 0.15));
  animation: pwa-dialog-in 0.34s cubic-bezier(0.22, 1, 0.36, 1);
}

.pwa-install-hero {
  position: relative;
  padding: 30px 30px 27px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--blue-700, #192752), var(--blue-900, #0f1a38));
  color: var(--white, #fff);
}

.pwa-install-hero::after {
  content: "";
  position: absolute;
  right: -44px;
  bottom: -72px;
  width: 170px;
  height: 170px;
  border: 22px solid rgba(209, 124, 43, 0.22);
  border-radius: 50%;
}

.pwa-install-badge {
  position: relative;
  z-index: 1;
  display: inline-flex;
  margin-bottom: 15px;
  padding: 5px 11px;
  border-radius: var(--radius-full, 999px);
  background: var(--orange-500, #d17c2b);
  color: var(--white, #fff);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pwa-install-hero h2 {
  position: relative;
  z-index: 1;
  max-width: 350px;
  margin: 0 40px 8px 0;
  color: var(--white, #fff);
  font-size: 25px;
  line-height: 1.2;
}

.pwa-install-hero p {
  position: relative;
  z-index: 1;
  max-width: 380px;
  margin: 0;
  color: var(--gray-200, #e0e0e0);
  line-height: 1.55;
}

.pwa-install-close {
  position: absolute;
  z-index: 2;
  top: 15px;
  right: 15px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white, #fff);
  cursor: pointer;
  transition: background var(--transition-fast, 0.2s ease);
}

.pwa-install-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.pwa-install-body {
  display: grid;
  gap: 20px;
  padding: 25px 30px 30px;
}

.pwa-install-benefits {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--gray-700, #2d2d2d);
  font-size: 14px;
}

.pwa-install-benefits li {
  display: flex;
  gap: 10px;
  align-items: center;
}

.pwa-install-check {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  flex: 0 0 22px;
  border-radius: 50%;
  background: var(--orange-50, #fdf3e7);
  color: var(--orange-700, #a8601f);
  font-weight: 900;
}

.pwa-install-instructions {
  margin: 0;
  padding: 13px 15px;
  border: 1px solid var(--orange-100, #f5c17d);
  border-radius: var(--radius-sm, 8px);
  background: var(--orange-50, #fdf3e7);
  color: var(--gray-700, #2d2d2d);
  font-size: 13px;
  line-height: 1.55;
}

.pwa-install-instructions[hidden] {
  display: none;
}

.pwa-install-action {
  width: 100%;
  padding: 14px 18px;
  border: 0;
  border-radius: var(--radius-sm, 8px);
  background: var(--orange-500, #d17c2b);
  color: var(--white, #fff);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font: 700 15px var(--font-display, "Poppins", sans-serif);
  transition: transform var(--transition-fast, 0.2s ease), background var(--transition-fast, 0.2s ease);
}

.pwa-install-action:hover {
  transform: translateY(-2px);
  background: var(--orange-600, #c2711f);
}

.pwa-install-action:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}

.pwa-install-action[data-install-ready="true"]::before {
  content: "\2193";
  display: inline-grid;
  width: 22px;
  height: 22px;
  margin-right: 9px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  font-size: 15px;
  line-height: 1;
  vertical-align: -2px;
}

@keyframes pwa-overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pwa-dialog-in {
  from { opacity: 0; transform: translateY(18px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 640px) {
  .pwa-install-dialog {
    border-radius: var(--radius-md, 12px);
  }

  .pwa-install-hero,
  .pwa-install-body {
    padding-left: 22px;
    padding-right: 22px;
  }

  .pwa-install-hero h2 {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-install-overlay,
  .pwa-install-dialog {
    animation: none;
  }
}