.login-gate-prompt {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  z-index: 95;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  width: min(720px, calc(100% - 32px));
  padding: 16px 18px;
  border: 1px solid #cbd9cf;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 48px rgba(13, 56, 40, 0.18);
  color: #102019;
  opacity: 0;
  transform: translate(-50%, 14px);
  transition: opacity 180ms ease, transform 180ms ease;
  backdrop-filter: blur(16px);
}

.login-gate-prompt.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.login-gate-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background: #145b42;
  color: #c8f45a;
  font-size: 16px;
  font-weight: 800;
}

.login-gate-copy {
  min-width: 0;
}

.login-gate-copy strong {
  display: block;
  margin-bottom: 3px;
  font-size: 16px;
  line-height: 1.4;
}

.login-gate-copy p {
  margin: 0;
  color: #607069;
  font-size: 14px;
  line-height: 1.55;
}

.login-gate-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-gate-actions button {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.login-gate-confirm {
  background: #145b42;
  color: #fff;
}

.login-gate-confirm:hover {
  background: #0f4b35;
}

.login-gate-dismiss {
  background: transparent;
  color: #52645c;
}

.login-gate-dismiss:hover {
  background: #f1f5f2;
  color: #102019;
}

.login-gate-actions button:focus-visible {
  outline: 3px solid rgba(50, 121, 90, 0.28);
  outline-offset: 2px;
}

@media (width <= 600px) {
  .login-gate-prompt {
    bottom: calc(12px + env(safe-area-inset-bottom));
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    width: calc(100% - 24px);
    padding: 14px;
    border-radius: 18px;
  }

  .login-gate-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
  }

  .login-gate-actions {
    grid-column: 1 / -1;
    width: 100%;
  }

  .login-gate-actions button {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-gate-prompt {
    transition: none;
  }
}