/* Body Background */
body {
    background: linear-gradient(to right, #ffdde1, #ee9ca7);
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
  }
  
  /* Form Card */
  .form-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 20px;
    transition: box-shadow 0.3s ease;
    align-items: center;
    margin: 20px auto; /* Center the form card */
  }
  
  .form-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
  }
  
  /* Button and Input Fields */
  .btn {
    border-radius: 25px;
    width: 85px;
    float: right;
    margin: 5px;
  }
  
  /* 特殊按钮样式 - 惊喜按钮 */
  .btn-warning {
    width: auto;
    float: none;
    display: block;
    margin: 15px auto;
    padding: 8px 20px;
  }
  
  .form-control {
    border-radius: 25px;
    margin: 10px;
    border: none;
    background-color: rgb(238, 238, 238);
    height: 30px;
    text-align: center;
    color: rgb(39, 39, 39);
    font-weight: bold;
    width: 300px;
  }
  
  /* Fade In Animation */
  .fade-in {
    animation: fadeIn 0.6s ease forwards;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Album Cover Styling */
  .album-cover {
    width: 250px; /* Change size to your preference */
    height: 250px;
    border-radius: 50%; /* Circular crop */
    object-fit: cover; /* Ensures the image covers the whole circle */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3); /* Soft shadow for album cover vibe */
    filter: grayscale(50%) sepia(50%); /* Gives the picture an album feel */
    transition: transform 0.3s ease-in-out; /* Smooth zoom-in on hover */
  }
  
  .album-cover:hover {
    transform: scale(1.05); /* Slight zoom effect on hover */
  }
  
  /* 惊喜图片样式 */
  .surprise-image {
    max-width: 300px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.5s ease;
    animation: bounce 1s ease infinite;
  }
  
  @keyframes bounce {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-10px);
    }
  }
  
  /* Card Image Container */
  .card-image-container {
    position: relative; /* To position the text over the image */
    width: 100%;
    height: 300px; /* You can adjust the height as needed */
    border-radius: 10px;
    overflow: hidden;
  }
  
  /* Crush Name Styling */
  .crush-name {
    position: absolute;
    top: 128px;  /* Adjust position above the message */
    left: 70px;
    font-size: 11px;
    color: rgb(0, 0, 0);
    padding: 5px 10px;
    border-radius: 5px;
  }
  
  /* Chat Container */
  .chat-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    max-width: 600px; /* Optional: Set a max-width for responsiveness */
    margin: 20px auto; /* Center the chat container */
  }
  
  /* User's Message Bubble */
  .user-message {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end; /* Align user message to the right */
    width: 100%;
  }
  
  .message-bubble {
    max-width: 100%; /* Adjust bubble size to fill available space */
    padding: 10px 15px;
    border-radius: 35px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
    height: 45px;
  }
  
  .user-bubble {
    background-color: #0078FF;
    color: white;
    align-self: flex-end; /* Align the user's bubble to the right */
  }
  
  /* Crush's Message */
  .crush-message {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    width: 100%;
  }
  
  .crush-bubble {
    background-color: #E4E6EB;
    color: black;
    align-self: flex-start; /* Keep the crush's bubble on the left */
    padding: 10px 15px;
    border-radius: 35px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
  }
  
  /* Profile Picture */
  .crush-profile-pic {
    margin-right: 10px;
  }
  
  .profile-pic {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
  }
  
  /* Adjust Layout for Responsiveness */
  @media (max-width: 768px) {
    .chat-container {
      width: 100%;
      max-width: 500px; /* Make the chat container smaller on mobile */
    }
  
    .form-control {
      width: 250px; /* Make input fields smaller on mobile */
    }
  
    .album-cover {
      width: 200px;
      height: 200px;
    }
  }