 /* ═══ MINI LIGHTBOX : INVITATION À SE CONNECTER ═══ */
  .login-prompt-overlay {
    position: fixed;
    inset: 0;
    z-index: 10003;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.64);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .login-prompt-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .login-prompt-window {
    position: relative;
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    padding: 36px 28px 28px 28px;
    border-radius: 42px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
    box-shadow:
      inset 0 0 18px rgba(255, 255, 255, 0.2),
      0 12px 40px rgba(0, 0, 0, 0.3);
    transform: scale(0.94) translateY(8px);
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .login-prompt-overlay.active .login-prompt-window {
    transform: scale(1) translateY(0);
  }

  .login-prompt-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.1s ease;
  }

  .login-prompt-close:hover {
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.14);
  }

  .login-prompt-close img {
    width: 22px;
    height: 22px;
    opacity: 0.85;
  }

  .login-prompt-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    margin-bottom: 6px;
  }

  .login-prompt-icon img {
    width: 32px;
    height: 32px;
  }

  .login-prompt-title {
    font-family: 'Rubik', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    color: #ffffff;
    margin: 0;
  }

  .login-prompt-subtitle {
    font-family: 'Rubik', sans-serif;
    font-weight: 400;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.68);
    line-height: 1.3;
    margin: 0 0 8px 0;
  }

.login-prompt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  text-decoration: none;
  font-family: 'Rubik', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: #ffffff;
  background: linear-gradient(135deg, #00c896, #0af0d0);
  padding: 12px 0px;
  border-radius: 25px;
  box-shadow: 0 8px 22px rgba(0, 200, 150, 0.28);
  transition: transform 0.15s ease;
}

.login-prompt-btn:hover {
  transform: translateY(-1px);
}