:root {
      --primary: #1e3a8a;
      --secondary: #dc2626;
      --light-bg: #f8fafc;
      --card-bg: #ffffff;
      --border-color: #e2e8f0;
    }
    
    body {
      background-color: var(--light-bg);
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: #1e293b;
    }
    
    .header {
      background: linear-gradient(135deg, var(--primary), #0f2c61);
      color: white;
      padding: 1.5rem 0;
      margin-bottom: 2rem;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .header h1 {
      font-weight: 700;
      margin: 0;
    }
    
    .header p {
      opacity: 0.9;
      margin-bottom: 0;
    }
    
    .card {
      border: none;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      margin-bottom: 1.5rem;
      background-color: var(--card-bg);
      overflow: hidden;
    }
    
    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    }
    
    .card-header {
      background-color: rgba(30, 58, 138, 0.05);
      border-bottom: 1px solid var(--border-color);
      padding: 1rem 1.5rem;
      font-weight: 600;
      color: var(--primary);
    }
    
    .card-body {
      padding: 1.5rem;
    }
    
    .game-title {
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 0.75rem;
    }
    
    .game-description {
      color: #334155;
      line-height: 1.6;
    }
    
    .action-btn {
      border-radius: 50px;
      padding: 0.4rem 1rem;
      font-weight: 500;
      transition: all 0.2s ease;
      margin-right: 0.5rem;
      margin-bottom: 0.5rem;
    }
    
    .btn-like {
      background-color: rgba(30, 58, 138, 0.1);
      color: var(--primary);
      border: none;
    }
    
    .btn-like:hover, .btn-like:active {
      background-color: var(--primary);
      color: white;
    }
    
    .btn-comment {
      background-color: rgba(220, 38, 38, 0.1);
      color: var(--secondary);
      border: none;
    }
    
    .btn-comment:hover, .btn-comment:active {
      background-color: var(--secondary);
      color: white;
    }
    
    .comment-section {
      background-color: rgba(248, 250, 252, 0.6);
      border-radius: 8px;
      padding: 1.25rem;
      margin-top: 1.5rem;
      border-left: 3px solid var(--border-color);
    }
    
    .comment {
      padding: 0.75rem 1rem;
      background-color: white;
      border-radius: 8px;
      margin-bottom: 0.75rem;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
      border-left: 2px solid #e2e8f0;
    }
    
    .reply {
      background-color: #f8fafc;
      border-left: 2px solid #cbd5e1;
      padding: 0.75rem 1rem;
      margin-left: 2rem;
      margin-top: 0.5rem;
      border-radius: 0 8px 8px 8px;
    }
    
    .user-badge {
      background-color: rgba(30, 58, 138, 0.1);
      color: var(--primary);
      border-radius: 50px;
      padding: 0.25rem 0.75rem;
      font-size: 0.8rem;
      font-weight: 500;
      display: inline-block;
      margin-right: 0.5rem;
    }
    
    .like-count {
      font-weight: 600;
      background-color: rgba(30, 58, 138, 0.1);
      border-radius: 50px;
      padding: 0.1rem 0.6rem;
      font-size: 0.85rem;
      margin-left: 0.3rem;
    }
    
    .input-group {
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
      border-radius: 50px;
      overflow: hidden;
      margin-top: 0.5rem;
    }
    
    .form-control {
      border: none;
      padding: 0.75rem 1.25rem;
    }
    
    .form-control:focus {
      box-shadow: none;
    }
    
    .btn-post {
      background-color: var(--primary);
      color: white;
      border: none;
      padding: 0.5rem 1.25rem;
      border-radius: 0 50px 50px 0;
    }
    
    .btn-post:hover {
      background-color: #0f2c61;
    }
    
    .user-input-card {
      background-color: white;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      padding: 1.5rem;
      margin-bottom: 2rem;
    }
    
    .footer {
      text-align: center;
      padding: 2rem 0;
      color: #64748b;
      font-size: 0.9rem;
      margin-top: 2rem;
      border-top: 1px solid var(--border-color);
    }
    
    .timestamp {
      font-size: 0.75rem;
      color: #94a3b8;
      margin-left: 0.5rem;
    }
    
    .game-stats {
      display: flex;
      gap: 1.5rem;
      margin-top: 1rem;
    }
    
    .stat-item {
      display: flex;
      align-items: center;
      color: #64748b;
      font-size: 0.9rem;
    }
    
    .stat-icon {
      margin-right: 0.4rem;
      color: var(--primary);
    }
    
    @media (max-width: 768px) {
      .header {
        padding: 1rem 0;
      }
      
      .header h1 {
        font-size: 1.8rem;
      }
      
      .card-body {
        padding: 1.25rem;
      }
      
      .reply {
        margin-left: 1rem;
      }
    }