/* Tarjetas de usuarios */
    .users-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .user-card {
      background: var(--tarjeta);
      border: 1px solid var(--borde);
      border-radius: 24px;
      padding: 34px 26px;
      box-shadow: var(--sombra);
      text-align: center;
      transition: transform .3s;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .user-card:hover { transform: translateY(-8px); }
    .user-card .emoji { font-size: 3rem; margin-bottom: 12px; }
    .user-card h3 { color: var(--morado); font-size: 1.4rem; margin-bottom: 10px; }
    body.dark .user-card h3 { color: var(--cian); }
    .user-card ul { text-align: left; margin: 16px 0 22px 18px; font-size: .93rem; }
    .user-card li { margin-bottom: 6px; }
    .user-card .btn-card { margin-top: auto; align-self: center; }