/* CSS Document */


        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: #333;
            min-height: 100vh;
            padding: 20px;
        }
        
        .container {
            max-width: 900px;
            margin: 0 auto;
            background-color: rgba(255, 255, 255, 0.95);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            overflow: hidden;
        }
        
        header {
            background: linear-gradient(to right, #4a00e0, #8e2de2);
            color: white;
            padding: 25px;
            text-align: center;
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        
        .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .main-content {
            padding: 25px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
        }
        
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        
        .message-form {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
            color: #495057;
        }
        
        input, textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        
        input:focus, textarea:focus {
            border-color: #4a00e0;
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 0, 224, 0.1);
        }
        
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        
        .btn {
            background: linear-gradient(to right, #4a00e0, #8e2de2);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: transform 0.2s, box-shadow 0.2s;
            width: 100%;
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn:disabled {
            background: #6c757d;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }
        
        .messages-container {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }
        
        .messages-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
        }
        
        .messages-title {
            font-size: 1.5rem;
            color: #495057;
        }
        
        .refresh-btn {
            background-color: #6c757d;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.9rem;
        }
        
        .messages-list {
            max-height: 500px;
            overflow-y: auto;
            padding-right: 10px;
        }
        
        .message {
            background-color: white;
            border-left: 4px solid #4a00e0;
            padding: 15px;
            margin-bottom: 15px;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s;
        }
        
        .message:hover {
            transform: translateX(5px);
        }
        
        .message-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        
        .message-author {
            font-weight: 600;
            color: #4a00e0;
        }
        
        .message-time {
            color: #6c757d;
            font-size: 0.85rem;
        }
        
        .message-content {
            line-height: 1.5;
            color: #495057;
        }
        
        .no-messages {
            text-align: center;
            padding: 30px;
            color: #6c757d;
            font-style: italic;
        }
        
        .status-indicator {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 15px;
            font-size: 0.9rem;
            color: #6c757d;
        }
        
        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: #28a745;
            margin-right: 8px;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.5; }
            100% { opacity: 1; }
        }
        
        footer {
            text-align: center;
            padding: 20px;
            color: #6c757d;
            font-size: 0.9rem;
            border-top: 1px solid #e9ecef;
        }
        
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 15px 20px;
            background: #4a00e0;
            color: white;
            border-radius: 5px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transform: translateX(150%);
            transition: transform 0.3s ease;
            z-index: 1000;
        }
        
        .notification.show {
            transform: translateX(0);
        }
        
        .loading {
            text-align: center;
            padding: 20px;
            color: #6c757d;
        }
        
        .fa-spinner {
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        @media (max-width: 600px) {
            .container {
                border-radius: 10px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .main-content {
                padding: 15px;
            }
            
            .message-form, .messages-container {
                padding: 15px;
            }
        }