.ka-install-banner {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 2147483647;
  width: min(390px, calc(100vw - 32px));
  box-sizing: border-box;
  padding: 16px;
  display: none;
  gap: 12px;
  align-items: flex-start;
  color: #eef4ff;
  background: rgba(7, 17, 31, 0.96);
  border: 1px solid rgba(22, 242, 166, 0.32);
  border-radius: 14px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.ka-install-banner.is-visible {
  display: flex;
}

.ka-install-banner__icon {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #03131c;
  background: linear-gradient(135deg, #16f2a6, #facc15);
  font-weight: 900;
}

.ka-install-banner__content {
  min-width: 0;
  flex: 1;
}

.ka-install-banner__title {
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.25;
  font-weight: 800;
}

.ka-install-banner__text {
  margin: 0 0 12px;
  color: #9baccc;
  font-size: 14px;
  line-height: 1.4;
}

.ka-install-banner__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ka-install-banner__button {
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
}

.ka-install-banner__button--primary {
  color: #03131c;
  background: linear-gradient(135deg, #16f2a6, #facc15);
}

.ka-install-banner__button--secondary {
  color: #eef4ff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.ka-install-banner__close {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  color: #9baccc;
  background: transparent;
  font-size: 22px;
  line-height: 1;
}

.ka-install-banner__close:hover,
.ka-install-banner__button:hover {
  filter: brightness(1.06);
}

@media (max-width: 520px) {
  .ka-install-banner {
    right: 12px;
    bottom: 12px;
    width: calc(100vw - 24px);
  }
}