body {
            font-family: sans-serif;
            background-color: #f4f7f6; 
            color: #333; 
            /* Override global styles from /style.css that center content */
            display: block; /* Change from flex to block to allow natural flow */
            margin: 0;      /* Reset body margin */
            padding-top: 70px; /* Add padding for the fixed navbar */
            /* min-height: 100vh; /* You can keep this if you want full viewport height */
            /* Remove justify-content and align-items if they were inherited */
        }
        .container { max-width: 800px; margin: auto; background-color: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
        h1, h2 { color: #0056b3; }
        .client-info p { margin: 5px 0; }
        .client-info strong { color: #0056b3; }
        #message { margin-top: 15px; }
        .follow-up-note {
            margin-top: 20px;
            padding: 10px;
            background-color: #eef2f7;
            border-left: 4px solid #0056b3;
            font-size: 0.9em;
            color: #333;
        }
        .delete-btn {
            background-color: #dc3545;
            margin-top: 20px;
        }
        .delete-btn:hover {
            background-color: #c82333;
        }

        /* Modal Styles */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            animation: fadeIn 0.3s ease-out;
        }
        .modal-content {
            background-color: #fff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.25);
            max-width: 500px;
            width: 90%;
            text-align: center;
            border-top: 5px solid #28a745;
            transform: scale(0.9);
            animation: slideUp 0.3s ease-out forwards;
        }
        .modal-title {
            margin-top: 0;
            color: #0056b3;
            font-size: 1.5em;
        }
        .modal-message {
            color: #4a5568;
            margin: 20px 0;
            font-size: 1.05em;
            line-height: 1.6;
        }
        .modal-close-btn {
            background-color: #007bff;
            color: white;
            padding: 10px 24px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1em;
            font-weight: bold;
            transition: background-color 0.2s;
        }
        .modal-close-btn:hover {
            background-color: #0056b3;
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes slideUp {
            to { transform: scale(1); }
        }