* { box-sizing: border-box; }
       body {
            font-family: Arial, sans-serif;
            background: #f3f4f6;
            margin: 0;
            padding: 0;
        }
        header {
            background: #1f2937;
            color: #fff;
            padding: 15px 30px;
            font-size: 20px;
            font-weight: bold;
        }
        .container {
            display: flex;
            padding: 30px;
            gap: 30px;
            align-items: flex-start;
        }
        .left-section { flex: 3; }
        .right-section {
            flex: 1;
            position: sticky;
            top: 30px;
            background: #fff;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
        }
        .user-table {
           width: 100%;
           background: #fff;
           border-collapse: collapse;
           margin-top: 1em;
        }

        .user-table th, .user-table td {
          border: 1px solid #ccc;
          padding: 8px 8px;
          text-align: left;
          vertical-align: center;
        }
        
       .user-table th {
          background-color: #f4f4f4;
        }
       .user-table th:last-child,
       .user-table td.button-group {
         width: 90px; 
         text-align: center;
         white-space: nowrap;
        }
        .unconfirmed-card {
            background: #fff;
            padding: 5px;
            margin-bottom: 1px;
            border-radius: 8px;
            box-shadow: 0 0 4px rgba(0,0,0,0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
       .card-space {
            display: flex;
            justify-content: space-between;
            align-items: center;
       }        
       .card {
            background: #fff;
            padding: 15px;
            margin-bottom: 10px;
            border-radius: 8px;
            box-shadow: 0 0 4px rgba(0,0,0,0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .card span { font-size: 14px; }
        
        .button-group {white-space: nowrap;
                      text-align: center;
                       flex-direction: row;
                       padding: 4px;}
           .card a, .button-group a  { display: inline-block;
    padding: 4px 8px;
    margin: 0 2px;
    font-size: 0.9em;
    background-color: #f4f4f4; color: white;
    border: 1px solid #ccc;
    text-decoration: none;
     transition: background-color 0.3s ease;
    border-radius: 4px;} 
        .card a:hover { background-color: #f4f4f4; color:#1f2937; font-weight:bold;}
        .button-group a:hover { background-color: #d7d7d7; color:#1f2937;}
        .confirm { color: #10b981; font-weight: bold; text-decoration: none; }
        .delete { color: #ef4444; text-decoration: none; }
        .add-form input {
            padding: 10px;
            margin-bottom: 10px;
            width: 100%;
            border-radius: 5px;
            border: 1px solid #ccc;
        }
        .add-form button {
            transition: background-color 0.3s ease;
            padding: 10px;
            background: #1f2937;
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            width: 100%;
            cursor: pointer;
        }
        .add-form button:hover {
            padding: 10px;
            background: #f4f4f4;
            color: #1f2937;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            width: 100%;
            cursor: pointer;
        }
        .form-error {
            color: red;
            font-size: 13px;
            margin-top: -8px;
            margin-bottom: 10px;
        }
        .sync-button {
            transition: background-color 0.3s ease;
            background: #ccc;
            color: #1f2937;
            border: none;
            padding: 8px 14px;
            font-size: 14px;
            border-radius: 5px;
            cursor: pointer;
        }
        .sync-button:hover {
            background: white;
            color: black;
            font-weight: bold;
            border: none;
            padding: 8px 14px;
            font-size: 14px;
            border-radius: 5px;
            cursor: pointer;
        }
        .search-form {
            margin-bottom: 1rem;
            font-weight: bold;
        }
        .search-form input {
            padding: 6px;
            font-size: 1rem;
        }
        .search-form button {
            padding: 6px 10px;
            border-radius: 5px;
            font-weight: bold;
            font-size: 1rem;
            cursor: pointer;
            transition: background-color 0.2s ease;
        }
        .search-form button:hover {background-color: #1f2937; color: white; border-radius: 5px;}
        .pagination { margin-top: 15px; text-align: center; }
        .pagination a {padding: 6px 12px; border: 1px solid #ccc; border-radius: 4px; background-color: #f2f2f2; color: #333; text-decoration: none; transition: background-color 0.2s ease;}
        a { color: black; text-decoration: none;}

        a:hover, 
        a:focus,
        a:visited,
        a:active {
           text-decoration: none;
         }
        .pagination .current { background: #1f2937; color: #fff; }
        h2, h3 { margin-top: 0; }