body {
  margin: 0;
  background-color: #3c8191;
  font-family: 'Papyrus', cursive;
  color: #fffaf0;
}

.container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.header-img {
  width: 90%;
  max-width: 800px;
  margin-top: 30px;
}

.content {
  display: flex;
  justify-content: space-between;
  width: 90%;
  max-width: 1000px;
  margin-top: 20px;
}

.left-menu, .right-menu {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.left-menu a,
.right-menu a {
  text-decoration: none;
  color: #f0e6d2;
  background-color: #2b5e6d;
  padding: 10px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.3);
  transition: background 0.3s ease;
}

.left-menu a:hover,
.right-menu a:hover {
  background-color: #448899;
}

.intro {
  text-align: center;
  padding: 0 20px;
  flex: 1;
}

.center-img {
  width: 100%;
  max-width: 400px;
  border-radius: 16px;
  margin-top: 20px;
  box-shadow: 0 0 20px rgba(0,0,0,0.4);
}
#message-board {
  background-color: #dff4ff;
  padding: 20px;
  border-radius: 15px;
  max-width: 700px;
  margin: auto;
  font-family: "Georgia", serif;
}

#comment-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#comment-form input, #comment-form textarea {
  padding: 10px;
  border-radius: 8px;
  border: none;
  font-family: inherit;
}

#comment-form button {
  background-color: #3b9dbf;
  color: white;
  padding: 10px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

#comments-container {
  margin-top: 20px;
}

.bottle-comment {
  background-image: url('your-message-bottle-icon.png'); /* Replace with your custom bottle image */
  background-size: contain;
  background-repeat: no-repeat;
  padding: 30px;
  margin: 15px 0;
  position: relative;
}

.comment-username {
  font-weight: bold;
  color: #2e5266;
}

.reply-btn {
  margin-top: 5px;
  font-size: 0.8rem;
  cursor: pointer;
  color: #004466;
  text-decoration: underline;
}

.reply-box {
  margin-top: 10px;
}