* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
  }
  
  body {
    background-image: url("backrounde1.png"); /* الخلفية */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px; /* تأثير 3D */
  }
  
  /* الحاوية الرئيسية */
  .login-container {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px 40px;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
    transform-style: preserve-3d;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
  }
  
  .login-container:hover {
    transform: rotateY(4deg) rotateX(4deg);
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.3);
  }
  
  /* حركة الدخول */
  @keyframes fadeInUp {
    from {
      transform: translateY(80px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  /* العنوان */
  .login-container h1 {
    font-size: 26px;
    margin-bottom: 25px;
    color: #4a0072;
    text-shadow: 1px 1px 1px #ddd;
  }
  
  /* الحقول */
  .input-group {
    margin-bottom: 20px;
    text-align: left;
  }
  
  .input-group label {
    display: block;
    margin-bottom: 6px;
    color: #555;
    font-weight: bold;
  }
  
  .input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.3s ease;
  }
  
  .input-group input:focus {
    border-color: #aa3af4;
    box-shadow: 0 0 8px rgba(170, 58, 244, 0.3);
    outline: none;
  }
  
  /* الزر */
  button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #aa3af4, #6b00b3);
    color: white;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.3s ease;
  }
  
  button:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #b160f4, #7a00cc);
  }
  
  /* رسالة الخطأ */
  .error-message {
    color: red;
    font-size: 14px;
    margin-top: 10px;
  }