* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            /*background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);*/
			background: orange;
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 600px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            overflow: hidden;
        }

        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
            position: relative;
        }

        header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
        }

        .env-info {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(255,255,255,0.2);
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.8em;
            font-weight: 500;
        }

        main {
            padding: 30px;
        }

        .add-todo {
            display: flex;
            gap: 10px;
            margin-bottom: 30px;
        }

        #todoInput {
            flex: 1;
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        #todoInput:focus {
            outline: none;
            border-color: #667eea;
        }

        #addBtn {
            padding: 15px 25px;
            background: #667eea;
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }

        #addBtn:hover {
            background: #5a67d8;
        }

        .filters {
            display: flex;
            gap: 10px;
            margin-bottom: 25px;
        }

        .filter-btn {
            padding: 8px 16px;
            border: 2px solid #e0e0e0;
            background: white;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 14px;
        }

        .filter-btn.active {
            background: #667eea;
            color: white;
            border-color: #667eea;
        }

        .filter-btn:hover:not(.active) {
            border-color: #667eea;
            color: #667eea;
        }

        .todo-list {
            min-height: 200px;
        }

        .todo-item {
            display: flex;
            align-items: center;
            padding: 15px;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            margin-bottom: 10px;
            transition: all 0.3s;
            animation: slideIn 0.3s ease;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .todo-item:hover {
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transform: translateY(-2px);
        }

        .todo-item.completed {
            background: #f8f9fa;
            opacity: 0.7;
        }

        .todo-checkbox {
            width: 20px;
            height: 20px;
            margin-right: 15px;
            cursor: pointer;
        }

        .todo-text {
            flex: 1;
            font-size: 16px;
            transition: all 0.3s;
        }

        .todo-item.completed .todo-text {
            text-decoration: line-through;
            color: #888;
        }

        .todo-actions {
            display: flex;
            gap: 10px;
        }

        .edit-btn, .delete-btn {
            padding: 5px 10px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 12px;
            transition: all 0.3s;
        }

        .edit-btn {
            background: #ffd700;
            color: #333;
        }

        .edit-btn:hover {
            background: #ffed4e;
        }

        .delete-btn {
            background: #ff6b6b;
            color: white;
        }

        .delete-btn:hover {
            background: #ff5252;
        }

        .empty-state {
            text-align: center;
            padding: 40px;
            color: #888;
            display: none;
        }

        .empty-state.show {
            display: block;
        }

        .empty-state p {
            font-size: 18px;
        }

        .stats {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #e0e0e0;
            font-size: 14px;
            color: #666;
        }

        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 12px 20px;
            border-radius: 5px;
            color: white;
            font-weight: 500;
            z-index: 1000;
            animation: slideIn 0.3s ease;
        }

        .notification.success {
            background: #28a745;
        }

        .notification.error {
            background: #dc3545;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                margin: 10px;
                border-radius: 15px;
            }
            
            header {
                padding: 20px;
            }
            
            header h1 {
                font-size: 2em;
            }
            
            main {
                padding: 20px;
            }
            
            .add-todo {
                flex-direction: column;
            }
            
            .filters {
                flex-wrap: wrap;
            }
            
            .stats {
                flex-direction: column;
                gap: 5px;
                text-align: center;
            }
        }