* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  body {
    background: radial-gradient(circle at center, #0f0f0f, #000000);
    color: #f0f0f0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 20px;
    margin: 0;
  }
  
  header, nav {
    width: 100%;
  }
  
  main {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 20px;
  }
    
  
  header h1 {
    color: #00ffc8;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 700;
    font-size: 2.2rem;
    margin: 0;
    margin-bottom: 20px;
    letter-spacing: 2px;
  }
  
  nav {
    background-color: #1e1e1e;
    padding: 12px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  }
  
  #mainNav {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 0;
    padding: 0;
  }
  
  #mainNav li a {
    color: #00ffc8;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    padding: 6px 12px;
    border-radius: 6px;
  }
  
  #mainNav li a:hover,
  #mainNav li a:focus {
    color: #ff4081;
    background-color: #222;
    outline: none;
  }
  
  /* Responsive: en pantallas pequeñas apila el menú vertical */
  @media (max-width: 480px) {
    #mainNav {
      flex-direction: column;
      gap: 15px;
    }
  
    nav {
      padding: 15px 0;
    }
  }
  

  
  h1, h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #00ff95;
  }
  
  .targets-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
    
  }
  
  .target-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 15px 20px;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 170, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .target-card span {
    font-size: 16px;
  }
  
  .target-card button {
    background: transparent;
    color: #00ff95;
    border: 1px solid #00ff95;
    border-radius: 8px;
    padding: 5px 12px;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  
  .target-card button:hover {
    background: #00ff95;
    color: #000;
  }
  
  .new-target-btn {
    width: 100%;
    background: #00ff95;
    color: #000;
    border: none;
    padding: 12px;
    border-radius: 12px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s ease;
  }
  
  .new-target-btn:hover {
    transform: scale(1.03);
  }
  
  .form-container {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
  }
  
  input[type="text"],
  input[type="number"],
  input[type="date"] {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #f0f0f0;
    outline: none;
  }
  
  input::placeholder {
    color: #aaa;
  }
  
  .radio-group {
    display: flex;
    justify-content: space-around;
    margin-top: 10px;
  }
  
  .radio-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
  }

  /* Estilo general para las tarjetas */
.target-card {
    background: #1e1e2f;
    color: white;
    border-radius: 12px;
    padding: 12px 20px;
    margin: 10px 0;
    box-shadow: 0 0 10px rgba(0, 255, 200, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s;
  }
  
  .target-card:hover {
    transform: scale(1.02);
  }
  
  .target-card button {
    background-color: #00ffc8;
    border: none;
    color: #000;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s;
  }
  
  .target-card button:hover {
    background-color: #00caa0;
  }
  
  .glass-container {
    margin-top: 5vh;
    margin-left: 0;
    background: rgba(30, 30, 47, 0.95);
    border: 1px solid #00ffc8;
    border-radius: 16px;
    padding: 24px;
    color: white;
    width: 100%;
    max-width: 100%;
    box-shadow: 0 0 25px rgba(0, 255, 200, 0.3);
  }
  
  .glass-container h2 {
    margin-top: 0;
    color: #00ffc8;
    text-align: center;
    font-size: 1.5rem;
  }
  
  .glass-container p {
    margin: 5px 0;
  }
  
  .glass-container input[type="number"] {
    padding: 8px;
    width: 100%;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin-top: 12px;
    margin-bottom: 12px;
    background: #fff;
    color: #000;
    font-weight: bold;
  }
  
  .glass-container button {
    background: #ff4081;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    margin-top: 10px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s;
  }
  
  .glass-container button:hover {
    background: #e03570;
  }
  
  .glass-container ul {
    list-style: none;
    padding-left: 0;
    max-height: 200px;
    overflow-y: auto;
  }
  
  .glass-container ul li {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 6px 10px;
    margin: 4px 0;
    border-radius: 6px;
  }
  
  /* Estilo para ocultar elementos */
  .hidden {
    display: none;
  }
  

  #stats,
  #history {
  margin-top: 30px;
}

#stats p {
  margin-bottom: 10px;
  color: #ccc;
}

#stats span,
#history span {
  font-weight: bold;
  color: #00ff95;
}

canvas {
  margin-top: 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 10px;
}

#history {
  margin-top: 20px;
}

#movementList {
  list-style: none;
  padding-left: 0;
  margin-top: 10px;
}

#movementList li {
  background: rgba(255, 255, 255, 0.03);
  padding: 10px;
  border-radius: 10px;
  margin-bottom: 5px;
  color: #f0f0f0;
  border-left: 3px solid #00ff95;
}

  
  .form-container button {
    background: #00ff95;
    color: #000;
    border: none;
    padding: 10px;
    border-radius: 12px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s ease;
  }
  
  .form-container button:hover {
    transform: scale(1.03);
  }
  
  .hidden {
    display: none;
  }
  
  @media screen and (max-width: 600px) {
    .glass-container {
      padding: 20px;
    }
  
    h1, h2 {
      font-size: 22px;
    }
  
    .target-card {
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
    }
  
    .target-card button {
      width: 100%;
    }
  }