*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:0}.container{max-width:1200px;margin:0 auto;background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;padding:40px}h1{color:#333;text-align:center;margin-bottom:30px;font-size:2.5rem}.todo-form{background:#f8f9fa;padding:25px;border-radius:10px;margin-bottom:30px}.form-group{margin-bottom:15px}label{display:block;margin-bottom:5px;color:#555;font-weight:600}input[type=text],input[type=number],select{width:100%;padding:12px;border:2px solid #ddd;border-radius:8px;font-size:16px;transition:border-color .3s}input[type=text]:focus,input[type=number]:focus,select:focus{outline:none;border-color:#667eea}.checkbox-group{display:flex;align-items:center;gap:10px}input[type=checkbox]{width:20px;height:20px;cursor:pointer}.form-actions{display:flex;gap:10px;margin-top:20px}button{padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 15px #667eea66}.btn-secondary{background:#6c757d;color:#fff}.btn-secondary:hover{background:#5a6268}.btn-success{background:#28a745;color:#fff;padding:8px 16px;font-size:14px}.btn-success:hover{background:#218838}.btn-danger{background:#dc3545;color:#fff;padding:8px 16px;font-size:14px}.btn-danger:hover{background:#c82333}.btn-warning{background:#ffc107;color:#333;padding:8px 16px;font-size:14px}.btn-warning:hover{background:#e0a800}.filters{background:#f8f9fa;padding:20px;border-radius:10px;margin-bottom:20px}.filter-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px}.todo-list{list-style:none}.todo-item{background:#fff;border:2px solid #e9ecef;border-radius:10px;padding:20px;margin-bottom:15px;display:flex;justify-content:space-between;align-items:center;transition:all .3s}.todo-item:hover{box-shadow:0 5px 15px #0000001a;transform:translateY(-2px)}.todo-item.completed{background:#d4edda;border-color:#c3e6cb}.todo-content{flex:1}.todo-text{font-size:18px;color:#333;margin-bottom:5px}.todo-item.completed .todo-text{text-decoration:line-through;color:#6c757d}.todo-meta{font-size:14px;color:#6c757d}.todo-actions{display:flex;gap:10px}.pagination{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:30px;padding-top:20px;border-top:2px solid #e9ecef}.pagination span{color:#555;font-weight:600}.loading,.error{text-align:center;padding:40px;font-size:18px}.loading{color:#667eea}.error{color:#dc3545;background:#f8d7da;border-radius:10px}.status-badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;margin-left:10px}.status-completed{background:#28a745;color:#fff}.status-pending{background:#ffc107;color:#333}@media (max-width: 768px){.container{padding:20px}h1{font-size:2rem}.todo-item{flex-direction:column;align-items:flex-start}.todo-actions{margin-top:15px;width:100%}.form-actions{flex-direction:column}button{width:100%}}