/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    font-family: 'Poppins', sans-serif;
    background-color: #fefefe;
    color: #333;
    overscroll-behavior-y: contain;
    touch-action: manipulation;
  }
  
  /* App Container */
  #app {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: #fff;
    overflow: hidden;
  }
  
  /* Header */
  header {
    padding: 1rem;
    background: linear-gradient(90deg, #4ca6af, #2e7d64);
    color: #fff;
    text-align: center;
    font-size: 1.25rem;
    font-weight: bold;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }
  
  /* Main Content */
  main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 1rem;
  }
  
  /* Bottom Navigation */
  #main-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: #fefefe;
    border-top: 1px solid #e0e0e0;
    padding: 0.75rem 0;
    z-index: 10;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
  }
  
  .nav-icon {
    text-decoration: none;
    font-size: 1.5rem;
    color: #4CAF50;
    transition: transform 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
  }
  
  .nav-icon:hover {
    color: #2E7D32;
    transform: scale(1.1);
  }
  
  .nav-icon img {
    width: 24px;
    height: 24px;
  }
  
  .nav-active {
    color: #2E7D32;
    transform: scale(1.2);
  }
  
  /* Post Section */
  #post-section {
    margin-bottom: 1rem;
  }
  
  input, textarea {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    margin-bottom: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #f9f9f9;
  }
  
  input:focus, textarea:focus {
    border-color: #4CAF50;
    outline: none;
    background: #fff;
  }
  
  button {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    color: #fff;
    background: linear-gradient(90deg,#4ca6af, #2e7d64);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  button:hover {
    background: #2E7D32;
  }
  
  /* Feed Section */
  #feed {
    margin-top: 1rem;
  }
  
  .post {
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  }
  
  .post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
  }
  
  .post-header strong {
    font-size: 1rem;
  }
  
  .delete-post {
    background: none;
    border: none;
    color: #ff5e57;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.3s ease;
  }
  
  .delete-post:hover {
    opacity: 0.7;
  }
  
  /* Scrollbar Styling */
  ::-webkit-scrollbar {
    width: 8px;
  }
  
  ::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: #bbb;
  }
  
  ::-webkit-scrollbar-track {
    background: #f4f4f4;
  }
  
  /* Media Queries */
  @media (max-width: 480px) {
    body {
      font-size: 0.9rem;
    }
  
    header {
      font-size: 1.1rem;
      padding: 0.75rem;
    }
  
    #main-nav {
      padding: 0.5rem;
    }
  
    input, textarea, button {
      font-size: 0.9rem;
      padding: 0.5rem;
    }
  }